| // |
| // httplib.h |
| // |
| // Copyright (c) 2023 Yuji Hirose. All rights reserved. |
| // MIT License |
| // |
| |
| #ifndef CPPHTTPLIB_HTTPLIB_H |
| #define CPPHTTPLIB_HTTPLIB_H |
| |
| #define CPPHTTPLIB_VERSION "0.13.1" |
| |
| /* |
| * Configuration |
| */ |
| |
| #ifndef CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND |
| #define CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND 5 |
| #endif |
| |
| #ifndef CPPHTTPLIB_KEEPALIVE_MAX_COUNT |
| #define CPPHTTPLIB_KEEPALIVE_MAX_COUNT 5 |
| #endif |
| |
| #ifndef CPPHTTPLIB_CONNECTION_TIMEOUT_SECOND |
| #define CPPHTTPLIB_CONNECTION_TIMEOUT_SECOND 300 |
| #endif |
| |
| #ifndef CPPHTTPLIB_CONNECTION_TIMEOUT_USECOND |
| #define CPPHTTPLIB_CONNECTION_TIMEOUT_USECOND 0 |
| #endif |
| |
| #ifndef CPPHTTPLIB_READ_TIMEOUT_SECOND |
| #define CPPHTTPLIB_READ_TIMEOUT_SECOND 5 |
| #endif |
| |
| #ifndef CPPHTTPLIB_READ_TIMEOUT_USECOND |
| #define CPPHTTPLIB_READ_TIMEOUT_USECOND 0 |
| #endif |
| |
| #ifndef CPPHTTPLIB_WRITE_TIMEOUT_SECOND |
| #define CPPHTTPLIB_WRITE_TIMEOUT_SECOND 5 |
| #endif |
| |
| #ifndef CPPHTTPLIB_WRITE_TIMEOUT_USECOND |
| #define CPPHTTPLIB_WRITE_TIMEOUT_USECOND 0 |
| #endif |
| |
| #ifndef CPPHTTPLIB_IDLE_INTERVAL_SECOND |
| #define CPPHTTPLIB_IDLE_INTERVAL_SECOND 0 |
| #endif |
| |
| #ifndef CPPHTTPLIB_IDLE_INTERVAL_USECOND |
| #ifdef _WIN32 |
| #define CPPHTTPLIB_IDLE_INTERVAL_USECOND 10000 |
| #else |
| #define CPPHTTPLIB_IDLE_INTERVAL_USECOND 0 |
| #endif |
| #endif |
| |
| #ifndef CPPHTTPLIB_REQUEST_URI_MAX_LENGTH |
| #define CPPHTTPLIB_REQUEST_URI_MAX_LENGTH 8192 |
| #endif |
| |
| #ifndef CPPHTTPLIB_HEADER_MAX_LENGTH |
| #define CPPHTTPLIB_HEADER_MAX_LENGTH 8192 |
| #endif |
| |
| #ifndef CPPHTTPLIB_REDIRECT_MAX_COUNT |
| #define CPPHTTPLIB_REDIRECT_MAX_COUNT 20 |
| #endif |
| |
| #ifndef CPPHTTPLIB_MULTIPART_FORM_DATA_FILE_MAX_COUNT |
| #define CPPHTTPLIB_MULTIPART_FORM_DATA_FILE_MAX_COUNT 1024 |
| #endif |
| |
| #ifndef CPPHTTPLIB_PAYLOAD_MAX_LENGTH |
| #define CPPHTTPLIB_PAYLOAD_MAX_LENGTH ((std::numeric_limits<size_t>::max)()) |
| #endif |
| |
| #ifndef CPPHTTPLIB_FORM_URL_ENCODED_PAYLOAD_MAX_LENGTH |
| #define CPPHTTPLIB_FORM_URL_ENCODED_PAYLOAD_MAX_LENGTH 8192 |
| #endif |
| |
| #ifndef CPPHTTPLIB_TCP_NODELAY |
| #define CPPHTTPLIB_TCP_NODELAY false |
| #endif |
| |
| #ifndef CPPHTTPLIB_RECV_BUFSIZ |
| #define CPPHTTPLIB_RECV_BUFSIZ size_t(4096u) |
| #endif |
| |
| #ifndef CPPHTTPLIB_COMPRESSION_BUFSIZ |
| #define CPPHTTPLIB_COMPRESSION_BUFSIZ size_t(16384u) |
| #endif |
| |
| #ifndef CPPHTTPLIB_THREAD_POOL_COUNT |
| #define CPPHTTPLIB_THREAD_POOL_COUNT \ |
| ((std::max)(8u, std::thread::hardware_concurrency() > 0 \ |
| ? std::thread::hardware_concurrency() - 1 \ |
| : 0)) |
| #endif |
| |
| #ifndef CPPHTTPLIB_RECV_FLAGS |
| #define CPPHTTPLIB_RECV_FLAGS 0 |
| #endif |
| |
| #ifndef CPPHTTPLIB_SEND_FLAGS |
| #define CPPHTTPLIB_SEND_FLAGS 0 |
| #endif |
| |
| #ifndef CPPHTTPLIB_LISTEN_BACKLOG |
| #define CPPHTTPLIB_LISTEN_BACKLOG 5 |
| #endif |
| |
| /* |
| * Headers |
| */ |
| |
| #ifdef _WIN32 |
| #ifndef _CRT_SECURE_NO_WARNINGS |
| #define _CRT_SECURE_NO_WARNINGS |
| #endif //_CRT_SECURE_NO_WARNINGS |
| |
| #ifndef _CRT_NONSTDC_NO_DEPRECATE |
| #define _CRT_NONSTDC_NO_DEPRECATE |
| #endif //_CRT_NONSTDC_NO_DEPRECATE |
| |
| #if defined(_MSC_VER) |
| #if _MSC_VER < 1900 |
| #error Sorry, Visual Studio versions prior to 2015 are not supported |
| #endif |
| |
| #pragma comment(lib, "ws2_32.lib") |
| |
| #ifdef _WIN64 |
| using ssize_t = __int64; |
| #else |
| using ssize_t = long; |
| #endif |
| #endif // _MSC_VER |
| |
| #ifndef S_ISREG |
| #define S_ISREG(m) (((m)&S_IFREG) == S_IFREG) |
| #endif // S_ISREG |
| |
| #ifndef S_ISDIR |
| #define S_ISDIR(m) (((m)&S_IFDIR) == S_IFDIR) |
| #endif // S_ISDIR |
| |
| #ifndef NOMINMAX |
| #define NOMINMAX |
| #endif // NOMINMAX |
| |
| #include <io.h> |
| #include <winsock2.h> |
| #include <ws2tcpip.h> |
| |
| #ifndef WSA_FLAG_NO_HANDLE_INHERIT |
| #define WSA_FLAG_NO_HANDLE_INHERIT 0x80 |
| #endif |
| |
| #ifndef strcasecmp |
| #define strcasecmp _stricmp |
| #endif // strcasecmp |
| |
| using socket_t = SOCKET; |
| #ifdef CPPHTTPLIB_USE_POLL |
| #define poll(fds, nfds, timeout) WSAPoll(fds, nfds, timeout) |
| #endif |
| |
| #else // not _WIN32 |
| |
| #include <arpa/inet.h> |
| #if !defined(_AIX) && !defined(__MVS__) |
| #include <ifaddrs.h> |
| #endif |
| #ifdef __MVS__ |
| #include <strings.h> |
| #ifndef NI_MAXHOST |
| #define NI_MAXHOST 1025 |
| #endif |
| #endif |
| #include <net/if.h> |
| #include <netdb.h> |
| #include <netinet/in.h> |
| #ifdef __linux__ |
| #include <resolv.h> |
| #endif |
| #include <netinet/tcp.h> |
| #ifdef CPPHTTPLIB_USE_POLL |
| #include <poll.h> |
| #endif |
| #include <csignal> |
| #include <pthread.h> |
| #include <sys/select.h> |
| #include <sys/socket.h> |
| #include <sys/un.h> |
| #include <unistd.h> |
| |
| using socket_t = int; |
| #ifndef INVALID_SOCKET |
| #define INVALID_SOCKET (-1) |
| #endif |
| #endif //_WIN32 |
| |
| #include <algorithm> |
| #include <array> |
| #include <atomic> |
| #include <cassert> |
| #include <cctype> |
| #include <climits> |
| #include <condition_variable> |
| #include <cstring> |
| #include <errno.h> |
| #include <fcntl.h> |
| #include <fstream> |
| #include <functional> |
| #include <iomanip> |
| #include <iostream> |
| #include <list> |
| #include <map> |
| #include <memory> |
| #include <mutex> |
| #include <random> |
| #include <regex> |
| #include <set> |
| #include <sstream> |
| #include <string> |
| #include <sys/stat.h> |
| #include <thread> |
| #include <unordered_map> |
| #include <unordered_set> |
| #include <utility> |
| |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| #ifdef _WIN32 |
| #include <wincrypt.h> |
| |
| // these are defined in wincrypt.h and it breaks compilation if BoringSSL is |
| // used |
| #undef X509_NAME |
| #undef X509_CERT_PAIR |
| #undef X509_EXTENSIONS |
| #undef PKCS7_SIGNER_INFO |
| |
| #ifdef _MSC_VER |
| #pragma comment(lib, "crypt32.lib") |
| #pragma comment(lib, "cryptui.lib") |
| #endif |
| #elif defined(CPPHTTPLIB_USE_CERTS_FROM_MACOSX_KEYCHAIN) && defined(__APPLE__) |
| #include <TargetConditionals.h> |
| #if TARGET_OS_OSX |
| #include <CoreFoundation/CoreFoundation.h> |
| #include <Security/Security.h> |
| #endif // TARGET_OS_OSX |
| #endif // _WIN32 |
| |
| #include <openssl/err.h> |
| #include <openssl/evp.h> |
| #include <openssl/ssl.h> |
| #include <openssl/x509v3.h> |
| |
| #if defined(_WIN32) && defined(OPENSSL_USE_APPLINK) |
| #include <openssl/applink.c> |
| #endif |
| |
| #include <iostream> |
| #include <sstream> |
| |
| #if OPENSSL_VERSION_NUMBER < 0x1010100fL |
| #error Sorry, OpenSSL versions prior to 1.1.1 are not supported |
| #elif OPENSSL_VERSION_NUMBER < 0x30000000L |
| #define SSL_get1_peer_certificate SSL_get_peer_certificate |
| #endif |
| |
| #endif |
| |
| #ifdef CPPHTTPLIB_ZLIB_SUPPORT |
| #include <zlib.h> |
| #endif |
| |
| #ifdef CPPHTTPLIB_BROTLI_SUPPORT |
| #include <brotli/decode.h> |
| #include <brotli/encode.h> |
| #endif |
| |
| /* |
| * Declaration |
| */ |
| namespace httplib { |
| |
| namespace detail { |
| |
| /* |
| * Backport std::make_unique from C++14. |
| * |
| * NOTE: This code came up with the following stackoverflow post: |
| * https://stackoverflow.com/questions/10149840/c-arrays-and-make-unique |
| * |
| */ |
| |
| template <class T, class... Args> |
| typename std::enable_if<!std::is_array<T>::value, std::unique_ptr<T>>::type |
| make_unique(Args &&...args) { |
| return std::unique_ptr<T>(new T(std::forward<Args>(args)...)); |
| } |
| |
| template <class T> |
| typename std::enable_if<std::is_array<T>::value, std::unique_ptr<T>>::type |
| make_unique(std::size_t n) { |
| typedef typename std::remove_extent<T>::type RT; |
| return std::unique_ptr<T>(new RT[n]); |
| } |
| |
| struct ci { |
| bool operator()(const std::string &s1, const std::string &s2) const { |
| return std::lexicographical_compare(s1.begin(), s1.end(), s2.begin(), |
| s2.end(), |
| [](unsigned char c1, unsigned char c2) { |
| return ::tolower(c1) < ::tolower(c2); |
| }); |
| } |
| }; |
| |
| // This is based on |
| // "http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4189". |
| |
| struct scope_exit { |
| explicit scope_exit(std::function<void(void)> &&f) |
| : exit_function(std::move(f)), execute_on_destruction{true} {} |
| |
| scope_exit(scope_exit &&rhs) |
| : exit_function(std::move(rhs.exit_function)), |
| execute_on_destruction{rhs.execute_on_destruction} { |
| rhs.release(); |
| } |
| |
| ~scope_exit() { |
| if (execute_on_destruction) { this->exit_function(); } |
| } |
| |
| void release() { this->execute_on_destruction = false; } |
| |
| private: |
| scope_exit(const scope_exit &) = delete; |
| void operator=(const scope_exit &) = delete; |
| scope_exit &operator=(scope_exit &&) = delete; |
| |
| std::function<void(void)> exit_function; |
| bool execute_on_destruction; |
| }; |
| |
| } // namespace detail |
| |
| using Headers = std::multimap<std::string, std::string, detail::ci>; |
| |
| using Params = std::multimap<std::string, std::string>; |
| using Match = std::smatch; |
| |
| using Progress = std::function<bool(uint64_t current, uint64_t total)>; |
| |
| struct Response; |
| using ResponseHandler = std::function<bool(const Response &response)>; |
| |
| struct MultipartFormData { |
| std::string name; |
| std::string content; |
| std::string filename; |
| std::string content_type; |
| }; |
| using MultipartFormDataItems = std::vector<MultipartFormData>; |
| using MultipartFormDataMap = std::multimap<std::string, MultipartFormData>; |
| |
| class DataSink { |
| public: |
| DataSink() : os(&sb_), sb_(*this) {} |
| |
| DataSink(const DataSink &) = delete; |
| DataSink &operator=(const DataSink &) = delete; |
| DataSink(DataSink &&) = delete; |
| DataSink &operator=(DataSink &&) = delete; |
| |
| std::function<bool(const char *data, size_t data_len)> write; |
| std::function<void()> done; |
| std::function<void(const Headers &trailer)> done_with_trailer; |
| std::ostream os; |
| |
| private: |
| class data_sink_streambuf : public std::streambuf { |
| public: |
| explicit data_sink_streambuf(DataSink &sink) : sink_(sink) {} |
| |
| protected: |
| std::streamsize xsputn(const char *s, std::streamsize n) { |
| sink_.write(s, static_cast<size_t>(n)); |
| return n; |
| } |
| |
| private: |
| DataSink &sink_; |
| }; |
| |
| data_sink_streambuf sb_; |
| }; |
| |
| using ContentProvider = |
| std::function<bool(size_t offset, size_t length, DataSink &sink)>; |
| |
| using ContentProviderWithoutLength = |
| std::function<bool(size_t offset, DataSink &sink)>; |
| |
| using ContentProviderResourceReleaser = std::function<void(bool success)>; |
| |
| struct MultipartFormDataProvider { |
| std::string name; |
| ContentProviderWithoutLength provider; |
| std::string filename; |
| std::string content_type; |
| }; |
| using MultipartFormDataProviderItems = std::vector<MultipartFormDataProvider>; |
| |
| using ContentReceiverWithProgress = |
| std::function<bool(const char *data, size_t data_length, uint64_t offset, |
| uint64_t total_length)>; |
| |
| using ContentReceiver = |
| std::function<bool(const char *data, size_t data_length)>; |
| |
| using MultipartContentHeader = |
| std::function<bool(const MultipartFormData &file)>; |
| |
| class ContentReader { |
| public: |
| using Reader = std::function<bool(ContentReceiver receiver)>; |
| using MultipartReader = std::function<bool(MultipartContentHeader header, |
| ContentReceiver receiver)>; |
| |
| ContentReader(Reader reader, MultipartReader multipart_reader) |
| : reader_(std::move(reader)), |
| multipart_reader_(std::move(multipart_reader)) {} |
| |
| bool operator()(MultipartContentHeader header, |
| ContentReceiver receiver) const { |
| return multipart_reader_(std::move(header), std::move(receiver)); |
| } |
| |
| bool operator()(ContentReceiver receiver) const { |
| return reader_(std::move(receiver)); |
| } |
| |
| Reader reader_; |
| MultipartReader multipart_reader_; |
| }; |
| |
| using Range = std::pair<ssize_t, ssize_t>; |
| using Ranges = std::vector<Range>; |
| |
| struct Request { |
| std::string method; |
| std::string path; |
| Headers headers; |
| std::string body; |
| |
| std::string remote_addr; |
| int remote_port = -1; |
| std::string local_addr; |
| int local_port = -1; |
| |
| // for server |
| std::string version; |
| std::string target; |
| Params params; |
| MultipartFormDataMap files; |
| Ranges ranges; |
| Match matches; |
| std::unordered_map<std::string, std::string> path_params; |
| |
| // for client |
| ResponseHandler response_handler; |
| ContentReceiverWithProgress content_receiver; |
| Progress progress; |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| const SSL *ssl = nullptr; |
| #endif |
| |
| bool has_header(const std::string &key) const; |
| std::string get_header_value(const std::string &key, size_t id = 0) const; |
| template <typename T> |
| T get_header_value(const std::string &key, size_t id = 0) const; |
| size_t get_header_value_count(const std::string &key) const; |
| void set_header(const std::string &key, const std::string &val); |
| |
| bool has_param(const std::string &key) const; |
| std::string get_param_value(const std::string &key, size_t id = 0) const; |
| size_t get_param_value_count(const std::string &key) const; |
| |
| bool is_multipart_form_data() const; |
| |
| bool has_file(const std::string &key) const; |
| MultipartFormData get_file_value(const std::string &key) const; |
| std::vector<MultipartFormData> get_file_values(const std::string &key) const; |
| |
| // private members... |
| size_t redirect_count_ = CPPHTTPLIB_REDIRECT_MAX_COUNT; |
| size_t content_length_ = 0; |
| ContentProvider content_provider_; |
| bool is_chunked_content_provider_ = false; |
| size_t authorization_count_ = 0; |
| }; |
| |
| struct Response { |
| std::string version; |
| int status = -1; |
| std::string reason; |
| Headers headers; |
| std::string body; |
| std::string location; // Redirect location |
| |
| bool has_header(const std::string &key) const; |
| std::string get_header_value(const std::string &key, size_t id = 0) const; |
| template <typename T> |
| T get_header_value(const std::string &key, size_t id = 0) const; |
| size_t get_header_value_count(const std::string &key) const; |
| void set_header(const std::string &key, const std::string &val); |
| |
| void set_redirect(const std::string &url, int status = 302); |
| void set_content(const char *s, size_t n, const std::string &content_type); |
| void set_content(const std::string &s, const std::string &content_type); |
| |
| void set_content_provider( |
| size_t length, const std::string &content_type, ContentProvider provider, |
| ContentProviderResourceReleaser resource_releaser = nullptr); |
| |
| void set_content_provider( |
| const std::string &content_type, ContentProviderWithoutLength provider, |
| ContentProviderResourceReleaser resource_releaser = nullptr); |
| |
| void set_chunked_content_provider( |
| const std::string &content_type, ContentProviderWithoutLength provider, |
| ContentProviderResourceReleaser resource_releaser = nullptr); |
| |
| Response() = default; |
| Response(const Response &) = default; |
| Response &operator=(const Response &) = default; |
| Response(Response &&) = default; |
| Response &operator=(Response &&) = default; |
| ~Response() { |
| if (content_provider_resource_releaser_) { |
| content_provider_resource_releaser_(content_provider_success_); |
| } |
| } |
| |
| // private members... |
| size_t content_length_ = 0; |
| ContentProvider content_provider_; |
| ContentProviderResourceReleaser content_provider_resource_releaser_; |
| bool is_chunked_content_provider_ = false; |
| bool content_provider_success_ = false; |
| }; |
| |
| class Stream { |
| public: |
| virtual ~Stream() = default; |
| |
| virtual bool is_readable() const = 0; |
| virtual bool is_writable() const = 0; |
| |
| virtual ssize_t read(char *ptr, size_t size) = 0; |
| virtual ssize_t write(const char *ptr, size_t size) = 0; |
| virtual void get_remote_ip_and_port(std::string &ip, int &port) const = 0; |
| virtual void get_local_ip_and_port(std::string &ip, int &port) const = 0; |
| virtual socket_t socket() const = 0; |
| |
| template <typename... Args> |
| ssize_t write_format(const char *fmt, const Args &...args); |
| ssize_t write(const char *ptr); |
| ssize_t write(const std::string &s); |
| }; |
| |
| class TaskQueue { |
| public: |
| TaskQueue() = default; |
| virtual ~TaskQueue() = default; |
| |
| virtual void enqueue(std::function<void()> fn) = 0; |
| virtual void shutdown() = 0; |
| |
| virtual void on_idle() {} |
| }; |
| |
| class ThreadPool : public TaskQueue { |
| public: |
| explicit ThreadPool(size_t n) : shutdown_(false) { |
| while (n) { |
| threads_.emplace_back(worker(*this)); |
| n--; |
| } |
| } |
| |
| ThreadPool(const ThreadPool &) = delete; |
| ~ThreadPool() override = default; |
| |
| void enqueue(std::function<void()> fn) override { |
| { |
| std::unique_lock<std::mutex> lock(mutex_); |
| jobs_.push_back(std::move(fn)); |
| } |
| |
| cond_.notify_one(); |
| } |
| |
| void shutdown() override { |
| // Stop all worker threads... |
| { |
| std::unique_lock<std::mutex> lock(mutex_); |
| shutdown_ = true; |
| } |
| |
| cond_.notify_all(); |
| |
| // Join... |
| for (auto &t : threads_) { |
| t.join(); |
| } |
| } |
| |
| private: |
| struct worker { |
| explicit worker(ThreadPool &pool) : pool_(pool) {} |
| |
| void operator()() { |
| for (;;) { |
| std::function<void()> fn; |
| { |
| std::unique_lock<std::mutex> lock(pool_.mutex_); |
| |
| pool_.cond_.wait( |
| lock, [&] { return !pool_.jobs_.empty() || pool_.shutdown_; }); |
| |
| if (pool_.shutdown_ && pool_.jobs_.empty()) { break; } |
| |
| fn = std::move(pool_.jobs_.front()); |
| pool_.jobs_.pop_front(); |
| } |
| |
| assert(true == static_cast<bool>(fn)); |
| fn(); |
| } |
| } |
| |
| ThreadPool &pool_; |
| }; |
| friend struct worker; |
| |
| std::vector<std::thread> threads_; |
| std::list<std::function<void()>> jobs_; |
| |
| bool shutdown_; |
| |
| std::condition_variable cond_; |
| std::mutex mutex_; |
| }; |
| |
| using Logger = std::function<void(const Request &, const Response &)>; |
| |
| using SocketOptions = std::function<void(socket_t sock)>; |
| |
| void default_socket_options(socket_t sock); |
| |
| const char *status_message(int status); |
| |
| namespace detail { |
| |
| class MatcherBase { |
| public: |
| virtual ~MatcherBase() = default; |
| |
| // Match request path and populate its matches and |
| virtual bool match(Request &request) const = 0; |
| }; |
| |
| /** |
| * Captures parameters in request path and stores them in Request::path_params |
| * |
| * Capture name is a substring of a pattern from : to /. |
| * The rest of the pattern is matched agains the request path directly |
| * Parameters are captured starting from the next character after |
| * the end of the last matched static pattern fragment until the next /. |
| * |
| * Example pattern: |
| * "/path/fragments/:capture/more/fragments/:second_capture" |
| * Static fragments: |
| * "/path/fragments/", "more/fragments/" |
| * |
| * Given the following request path: |
| * "/path/fragments/:1/more/fragments/:2" |
| * the resulting capture will be |
| * {{"capture", "1"}, {"second_capture", "2"}} |
| */ |
| class PathParamsMatcher : public MatcherBase { |
| public: |
| PathParamsMatcher(const std::string &pattern); |
| |
| bool match(Request &request) const override; |
| |
| private: |
| static constexpr char marker = ':'; |
| // Treat segment separators as the end of path parameter capture |
| // Does not need to handle query parameters as they are parsed before path |
| // matching |
| static constexpr char separator = '/'; |
| |
| // Contains static path fragments to match against, excluding the '/' after |
| // path params |
| // Fragments are separated by path params |
| std::vector<std::string> static_fragments_; |
| // Stores the names of the path parameters to be used as keys in the |
| // Request::path_params map |
| std::vector<std::string> param_names_; |
| }; |
| |
| /** |
| * Performs std::regex_match on request path |
| * and stores the result in Request::matches |
| * |
| * Note that regex match is performed directly on the whole request. |
| * This means that wildcard patterns may match multiple path segments with /: |
| * "/begin/(.*)/end" will match both "/begin/middle/end" and "/begin/1/2/end". |
| */ |
| class RegexMatcher : public MatcherBase { |
| public: |
| RegexMatcher(const std::string &pattern) : regex_(pattern) {} |
| |
| bool match(Request &request) const override; |
| |
| private: |
| std::regex regex_; |
| }; |
| |
| } // namespace detail |
| |
| class Server { |
| public: |
| using Handler = std::function<void(const Request &, Response &)>; |
| |
| using ExceptionHandler = |
| std::function<void(const Request &, Response &, std::exception_ptr ep)>; |
| |
| enum class HandlerResponse { |
| Handled, |
| Unhandled, |
| }; |
| using HandlerWithResponse = |
| std::function<HandlerResponse(const Request &, Response &)>; |
| |
| using HandlerWithContentReader = std::function<void( |
| const Request &, Response &, const ContentReader &content_reader)>; |
| |
| using Expect100ContinueHandler = |
| std::function<int(const Request &, Response &)>; |
| |
| Server(); |
| |
| virtual ~Server(); |
| |
| virtual bool is_valid() const; |
| |
| Server &Get(const std::string &pattern, Handler handler); |
| Server &Post(const std::string &pattern, Handler handler); |
| Server &Post(const std::string &pattern, HandlerWithContentReader handler); |
| Server &Put(const std::string &pattern, Handler handler); |
| Server &Put(const std::string &pattern, HandlerWithContentReader handler); |
| Server &Patch(const std::string &pattern, Handler handler); |
| Server &Patch(const std::string &pattern, HandlerWithContentReader handler); |
| Server &Delete(const std::string &pattern, Handler handler); |
| Server &Delete(const std::string &pattern, HandlerWithContentReader handler); |
| Server &Options(const std::string &pattern, Handler handler); |
| |
| bool set_base_dir(const std::string &dir, |
| const std::string &mount_point = std::string()); |
| bool set_mount_point(const std::string &mount_point, const std::string &dir, |
| Headers headers = Headers()); |
| bool remove_mount_point(const std::string &mount_point); |
| Server &set_file_extension_and_mimetype_mapping(const std::string &ext, |
| const std::string &mime); |
| Server &set_file_request_handler(Handler handler); |
| |
| Server &set_error_handler(HandlerWithResponse handler); |
| Server &set_error_handler(Handler handler); |
| Server &set_exception_handler(ExceptionHandler handler); |
| Server &set_pre_routing_handler(HandlerWithResponse handler); |
| Server &set_post_routing_handler(Handler handler); |
| |
| Server &set_expect_100_continue_handler(Expect100ContinueHandler handler); |
| Server &set_logger(Logger logger); |
| |
| Server &set_address_family(int family); |
| Server &set_tcp_nodelay(bool on); |
| Server &set_socket_options(SocketOptions socket_options); |
| |
| Server &set_default_headers(Headers headers); |
| |
| Server &set_keep_alive_max_count(size_t count); |
| Server &set_keep_alive_timeout(time_t sec); |
| |
| Server &set_read_timeout(time_t sec, time_t usec = 0); |
| template <class Rep, class Period> |
| Server &set_read_timeout(const std::chrono::duration<Rep, Period> &duration); |
| |
| Server &set_write_timeout(time_t sec, time_t usec = 0); |
| template <class Rep, class Period> |
| Server &set_write_timeout(const std::chrono::duration<Rep, Period> &duration); |
| |
| Server &set_idle_interval(time_t sec, time_t usec = 0); |
| template <class Rep, class Period> |
| Server &set_idle_interval(const std::chrono::duration<Rep, Period> &duration); |
| |
| Server &set_payload_max_length(size_t length); |
| |
| bool bind_to_port(const std::string &host, int port, int socket_flags = 0); |
| int bind_to_any_port(const std::string &host, int socket_flags = 0); |
| bool listen_after_bind(); |
| |
| bool listen(const std::string &host, int port, int socket_flags = 0); |
| |
| bool is_running() const; |
| void wait_until_ready() const; |
| void stop(); |
| |
| std::function<TaskQueue *(void)> new_task_queue; |
| |
| protected: |
| bool process_request(Stream &strm, bool close_connection, |
| bool &connection_closed, |
| const std::function<void(Request &)> &setup_request); |
| |
| std::atomic<socket_t> svr_sock_{INVALID_SOCKET}; |
| size_t keep_alive_max_count_ = CPPHTTPLIB_KEEPALIVE_MAX_COUNT; |
| time_t keep_alive_timeout_sec_ = CPPHTTPLIB_KEEPALIVE_TIMEOUT_SECOND; |
| time_t read_timeout_sec_ = CPPHTTPLIB_READ_TIMEOUT_SECOND; |
| time_t read_timeout_usec_ = CPPHTTPLIB_READ_TIMEOUT_USECOND; |
| time_t write_timeout_sec_ = CPPHTTPLIB_WRITE_TIMEOUT_SECOND; |
| time_t write_timeout_usec_ = CPPHTTPLIB_WRITE_TIMEOUT_USECOND; |
| time_t idle_interval_sec_ = CPPHTTPLIB_IDLE_INTERVAL_SECOND; |
| time_t idle_interval_usec_ = CPPHTTPLIB_IDLE_INTERVAL_USECOND; |
| size_t payload_max_length_ = CPPHTTPLIB_PAYLOAD_MAX_LENGTH; |
| |
| private: |
| using Handlers = |
| std::vector<std::pair<std::unique_ptr<detail::MatcherBase>, Handler>>; |
| using HandlersForContentReader = |
| std::vector<std::pair<std::unique_ptr<detail::MatcherBase>, |
| HandlerWithContentReader>>; |
| |
| static std::unique_ptr<detail::MatcherBase> |
| make_matcher(const std::string &pattern); |
| |
| socket_t create_server_socket(const std::string &host, int port, |
| int socket_flags, |
| SocketOptions socket_options) const; |
| int bind_internal(const std::string &host, int port, int socket_flags); |
| bool listen_internal(); |
| |
| bool routing(Request &req, Response &res, Stream &strm); |
| bool handle_file_request(const Request &req, Response &res, |
| bool head = false); |
| bool dispatch_request(Request &req, Response &res, const Handlers &handlers); |
| bool |
| dispatch_request_for_content_reader(Request &req, Response &res, |
| ContentReader content_reader, |
| const HandlersForContentReader &handlers); |
| |
| bool parse_request_line(const char *s, Request &req); |
| void apply_ranges(const Request &req, Response &res, |
| std::string &content_type, std::string &boundary); |
| bool write_response(Stream &strm, bool close_connection, const Request &req, |
| Response &res); |
| bool write_response_with_content(Stream &strm, bool close_connection, |
| const Request &req, Response &res); |
| bool write_response_core(Stream &strm, bool close_connection, |
| const Request &req, Response &res, |
| bool need_apply_ranges); |
| bool write_content_with_provider(Stream &strm, const Request &req, |
| Response &res, const std::string &boundary, |
| const std::string &content_type); |
| bool read_content(Stream &strm, Request &req, Response &res); |
| bool |
| read_content_with_content_receiver(Stream &strm, Request &req, Response &res, |
| ContentReceiver receiver, |
| MultipartContentHeader multipart_header, |
| ContentReceiver multipart_receiver); |
| bool read_content_core(Stream &strm, Request &req, Response &res, |
| ContentReceiver receiver, |
| MultipartContentHeader multipart_header, |
| ContentReceiver multipart_receiver); |
| |
| virtual bool process_and_close_socket(socket_t sock); |
| |
| std::atomic<bool> is_running_{false}; |
| std::atomic<bool> done_{false}; |
| |
| struct MountPointEntry { |
| std::string mount_point; |
| std::string base_dir; |
| Headers headers; |
| }; |
| std::vector<MountPointEntry> base_dirs_; |
| std::map<std::string, std::string> file_extension_and_mimetype_map_; |
| Handler file_request_handler_; |
| |
| Handlers get_handlers_; |
| Handlers post_handlers_; |
| HandlersForContentReader post_handlers_for_content_reader_; |
| Handlers put_handlers_; |
| HandlersForContentReader put_handlers_for_content_reader_; |
| Handlers patch_handlers_; |
| HandlersForContentReader patch_handlers_for_content_reader_; |
| Handlers delete_handlers_; |
| HandlersForContentReader delete_handlers_for_content_reader_; |
| Handlers options_handlers_; |
| |
| HandlerWithResponse error_handler_; |
| ExceptionHandler exception_handler_; |
| HandlerWithResponse pre_routing_handler_; |
| Handler post_routing_handler_; |
| Expect100ContinueHandler expect_100_continue_handler_; |
| |
| Logger logger_; |
| |
| int address_family_ = AF_UNSPEC; |
| bool tcp_nodelay_ = CPPHTTPLIB_TCP_NODELAY; |
| SocketOptions socket_options_ = default_socket_options; |
| |
| Headers default_headers_; |
| }; |
| |
| enum class Error { |
| Success = 0, |
| Unknown, |
| Connection, |
| BindIPAddress, |
| Read, |
| Write, |
| ExceedRedirectCount, |
| Canceled, |
| SSLConnection, |
| SSLLoadingCerts, |
| SSLServerVerification, |
| UnsupportedMultipartBoundaryChars, |
| Compression, |
| ConnectionTimeout, |
| ProxyConnection, |
| |
| // For internal use only |
| SSLPeerCouldBeClosed_, |
| }; |
| |
| std::string to_string(const Error error); |
| |
| std::ostream &operator<<(std::ostream &os, const Error &obj); |
| |
| class Result { |
| public: |
| Result() = default; |
| Result(std::unique_ptr<Response> &&res, Error err, |
| Headers &&request_headers = Headers{}) |
| : res_(std::move(res)), err_(err), |
| request_headers_(std::move(request_headers)) {} |
| // Response |
| operator bool() const { return res_ != nullptr; } |
| bool operator==(std::nullptr_t) const { return res_ == nullptr; } |
| bool operator!=(std::nullptr_t) const { return res_ != nullptr; } |
| const Response &value() const { return *res_; } |
| Response &value() { return *res_; } |
| const Response &operator*() const { return *res_; } |
| Response &operator*() { return *res_; } |
| const Response *operator->() const { return res_.get(); } |
| Response *operator->() { return res_.get(); } |
| |
| // Error |
| Error error() const { return err_; } |
| |
| // Request Headers |
| bool has_request_header(const std::string &key) const; |
| std::string get_request_header_value(const std::string &key, |
| size_t id = 0) const; |
| template <typename T> |
| T get_request_header_value(const std::string &key, size_t id = 0) const; |
| size_t get_request_header_value_count(const std::string &key) const; |
| |
| private: |
| std::unique_ptr<Response> res_; |
| Error err_ = Error::Unknown; |
| Headers request_headers_; |
| }; |
| |
| class ClientImpl { |
| public: |
| explicit ClientImpl(const std::string &host); |
| |
| explicit ClientImpl(const std::string &host, int port); |
| |
| explicit ClientImpl(const std::string &host, int port, |
| const std::string &client_cert_path, |
| const std::string &client_key_path); |
| |
| virtual ~ClientImpl(); |
| |
| virtual bool is_valid() const; |
| |
| Result Get(const std::string &path); |
| Result Get(const std::string &path, const Headers &headers); |
| Result Get(const std::string &path, Progress progress); |
| Result Get(const std::string &path, const Headers &headers, |
| Progress progress); |
| Result Get(const std::string &path, ContentReceiver content_receiver); |
| Result Get(const std::string &path, const Headers &headers, |
| ContentReceiver content_receiver); |
| Result Get(const std::string &path, ContentReceiver content_receiver, |
| Progress progress); |
| Result Get(const std::string &path, const Headers &headers, |
| ContentReceiver content_receiver, Progress progress); |
| Result Get(const std::string &path, ResponseHandler response_handler, |
| ContentReceiver content_receiver); |
| Result Get(const std::string &path, const Headers &headers, |
| ResponseHandler response_handler, |
| ContentReceiver content_receiver); |
| Result Get(const std::string &path, ResponseHandler response_handler, |
| ContentReceiver content_receiver, Progress progress); |
| Result Get(const std::string &path, const Headers &headers, |
| ResponseHandler response_handler, ContentReceiver content_receiver, |
| Progress progress); |
| |
| Result Get(const std::string &path, const Params ¶ms, |
| const Headers &headers, Progress progress = nullptr); |
| Result Get(const std::string &path, const Params ¶ms, |
| const Headers &headers, ContentReceiver content_receiver, |
| Progress progress = nullptr); |
| Result Get(const std::string &path, const Params ¶ms, |
| const Headers &headers, ResponseHandler response_handler, |
| ContentReceiver content_receiver, Progress progress = nullptr); |
| |
| Result Head(const std::string &path); |
| Result Head(const std::string &path, const Headers &headers); |
| |
| Result Post(const std::string &path); |
| Result Post(const std::string &path, const Headers &headers); |
| Result Post(const std::string &path, const char *body, size_t content_length, |
| const std::string &content_type); |
| Result Post(const std::string &path, const Headers &headers, const char *body, |
| size_t content_length, const std::string &content_type); |
| Result Post(const std::string &path, const std::string &body, |
| const std::string &content_type); |
| Result Post(const std::string &path, const Headers &headers, |
| const std::string &body, const std::string &content_type); |
| Result Post(const std::string &path, size_t content_length, |
| ContentProvider content_provider, |
| const std::string &content_type); |
| Result Post(const std::string &path, |
| ContentProviderWithoutLength content_provider, |
| const std::string &content_type); |
| Result Post(const std::string &path, const Headers &headers, |
| size_t content_length, ContentProvider content_provider, |
| const std::string &content_type); |
| Result Post(const std::string &path, const Headers &headers, |
| ContentProviderWithoutLength content_provider, |
| const std::string &content_type); |
| Result Post(const std::string &path, const Params ¶ms); |
| Result Post(const std::string &path, const Headers &headers, |
| const Params ¶ms); |
| Result Post(const std::string &path, const MultipartFormDataItems &items); |
| Result Post(const std::string &path, const Headers &headers, |
| const MultipartFormDataItems &items); |
| Result Post(const std::string &path, const Headers &headers, |
| const MultipartFormDataItems &items, const std::string &boundary); |
| Result Post(const std::string &path, const Headers &headers, |
| const MultipartFormDataItems &items, |
| const MultipartFormDataProviderItems &provider_items); |
| |
| Result Put(const std::string &path); |
| Result Put(const std::string &path, const char *body, size_t content_length, |
| const std::string &content_type); |
| Result Put(const std::string &path, const Headers &headers, const char *body, |
| size_t content_length, const std::string &content_type); |
| Result Put(const std::string &path, const std::string &body, |
| const std::string &content_type); |
| Result Put(const std::string &path, const Headers &headers, |
| const std::string &body, const std::string &content_type); |
| Result Put(const std::string &path, size_t content_length, |
| ContentProvider content_provider, const std::string &content_type); |
| Result Put(const std::string &path, |
| ContentProviderWithoutLength content_provider, |
| const std::string &content_type); |
| Result Put(const std::string &path, const Headers &headers, |
| size_t content_length, ContentProvider content_provider, |
| const std::string &content_type); |
| Result Put(const std::string &path, const Headers &headers, |
| ContentProviderWithoutLength content_provider, |
| const std::string &content_type); |
| Result Put(const std::string &path, const Params ¶ms); |
| Result Put(const std::string &path, const Headers &headers, |
| const Params ¶ms); |
| Result Put(const std::string &path, const MultipartFormDataItems &items); |
| Result Put(const std::string &path, const Headers &headers, |
| const MultipartFormDataItems &items); |
| Result Put(const std::string &path, const Headers &headers, |
| const MultipartFormDataItems &items, const std::string &boundary); |
| Result Put(const std::string &path, const Headers &headers, |
| const MultipartFormDataItems &items, |
| const MultipartFormDataProviderItems &provider_items); |
| |
| Result Patch(const std::string &path); |
| Result Patch(const std::string &path, const char *body, size_t content_length, |
| const std::string &content_type); |
| Result Patch(const std::string &path, const Headers &headers, |
| const char *body, size_t content_length, |
| const std::string &content_type); |
| Result Patch(const std::string &path, const std::string &body, |
| const std::string &content_type); |
| Result Patch(const std::string &path, const Headers &headers, |
| const std::string &body, const std::string &content_type); |
| Result Patch(const std::string &path, size_t content_length, |
| ContentProvider content_provider, |
| const std::string &content_type); |
| Result Patch(const std::string &path, |
| ContentProviderWithoutLength content_provider, |
| const std::string &content_type); |
| Result Patch(const std::string &path, const Headers &headers, |
| size_t content_length, ContentProvider content_provider, |
| const std::string &content_type); |
| Result Patch(const std::string &path, const Headers &headers, |
| ContentProviderWithoutLength content_provider, |
| const std::string &content_type); |
| |
| Result Delete(const std::string &path); |
| Result Delete(const std::string &path, const Headers &headers); |
| Result Delete(const std::string &path, const char *body, |
| size_t content_length, const std::string &content_type); |
| Result Delete(const std::string &path, const Headers &headers, |
| const char *body, size_t content_length, |
| const std::string &content_type); |
| Result Delete(const std::string &path, const std::string &body, |
| const std::string &content_type); |
| Result Delete(const std::string &path, const Headers &headers, |
| const std::string &body, const std::string &content_type); |
| |
| Result Options(const std::string &path); |
| Result Options(const std::string &path, const Headers &headers); |
| |
| bool send(Request &req, Response &res, Error &error); |
| Result send(const Request &req); |
| |
| void stop(); |
| |
| std::string host() const; |
| int port() const; |
| |
| size_t is_socket_open() const; |
| socket_t socket() const; |
| |
| void set_hostname_addr_map(std::map<std::string, std::string> addr_map); |
| |
| void set_default_headers(Headers headers); |
| |
| void set_address_family(int family); |
| void set_tcp_nodelay(bool on); |
| void set_socket_options(SocketOptions socket_options); |
| |
| void set_connection_timeout(time_t sec, time_t usec = 0); |
| template <class Rep, class Period> |
| void |
| set_connection_timeout(const std::chrono::duration<Rep, Period> &duration); |
| |
| void set_read_timeout(time_t sec, time_t usec = 0); |
| template <class Rep, class Period> |
| void set_read_timeout(const std::chrono::duration<Rep, Period> &duration); |
| |
| void set_write_timeout(time_t sec, time_t usec = 0); |
| template <class Rep, class Period> |
| void set_write_timeout(const std::chrono::duration<Rep, Period> &duration); |
| |
| void set_basic_auth(const std::string &username, const std::string &password); |
| void set_bearer_token_auth(const std::string &token); |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| void set_digest_auth(const std::string &username, |
| const std::string &password); |
| #endif |
| |
| void set_keep_alive(bool on); |
| void set_follow_location(bool on); |
| |
| void set_url_encode(bool on); |
| |
| void set_compress(bool on); |
| |
| void set_decompress(bool on); |
| |
| void set_interface(const std::string &intf); |
| |
| void set_proxy(const std::string &host, int port); |
| void set_proxy_basic_auth(const std::string &username, |
| const std::string &password); |
| void set_proxy_bearer_token_auth(const std::string &token); |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| void set_proxy_digest_auth(const std::string &username, |
| const std::string &password); |
| #endif |
| |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| void set_ca_cert_path(const std::string &ca_cert_file_path, |
| const std::string &ca_cert_dir_path = std::string()); |
| void set_ca_cert_store(X509_STORE *ca_cert_store); |
| X509_STORE *create_ca_cert_store(const char *ca_cert, std::size_t size); |
| #endif |
| |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| void enable_server_certificate_verification(bool enabled); |
| #endif |
| |
| void set_logger(Logger logger); |
| |
| protected: |
| struct Socket { |
| socket_t sock = INVALID_SOCKET; |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| SSL *ssl = nullptr; |
| #endif |
| |
| bool is_open() const { return sock != INVALID_SOCKET; } |
| }; |
| |
| virtual bool create_and_connect_socket(Socket &socket, Error &error); |
| |
| // All of: |
| // shutdown_ssl |
| // shutdown_socket |
| // close_socket |
| // should ONLY be called when socket_mutex_ is locked. |
| // Also, shutdown_ssl and close_socket should also NOT be called concurrently |
| // with a DIFFERENT thread sending requests using that socket. |
| virtual void shutdown_ssl(Socket &socket, bool shutdown_gracefully); |
| void shutdown_socket(Socket &socket); |
| void close_socket(Socket &socket); |
| |
| bool process_request(Stream &strm, Request &req, Response &res, |
| bool close_connection, Error &error); |
| |
| bool write_content_with_provider(Stream &strm, const Request &req, |
| Error &error); |
| |
| void copy_settings(const ClientImpl &rhs); |
| |
| // Socket endpoint information |
| const std::string host_; |
| const int port_; |
| const std::string host_and_port_; |
| |
| // Current open socket |
| Socket socket_; |
| mutable std::mutex socket_mutex_; |
| std::recursive_mutex request_mutex_; |
| |
| // These are all protected under socket_mutex |
| size_t socket_requests_in_flight_ = 0; |
| std::thread::id socket_requests_are_from_thread_ = std::thread::id(); |
| bool socket_should_be_closed_when_request_is_done_ = false; |
| |
| // Hostname-IP map |
| std::map<std::string, std::string> addr_map_; |
| |
| // Default headers |
| Headers default_headers_; |
| |
| // Settings |
| std::string client_cert_path_; |
| std::string client_key_path_; |
| |
| time_t connection_timeout_sec_ = CPPHTTPLIB_CONNECTION_TIMEOUT_SECOND; |
| time_t connection_timeout_usec_ = CPPHTTPLIB_CONNECTION_TIMEOUT_USECOND; |
| time_t read_timeout_sec_ = CPPHTTPLIB_READ_TIMEOUT_SECOND; |
| time_t read_timeout_usec_ = CPPHTTPLIB_READ_TIMEOUT_USECOND; |
| time_t write_timeout_sec_ = CPPHTTPLIB_WRITE_TIMEOUT_SECOND; |
| time_t write_timeout_usec_ = CPPHTTPLIB_WRITE_TIMEOUT_USECOND; |
| |
| std::string basic_auth_username_; |
| std::string basic_auth_password_; |
| std::string bearer_token_auth_token_; |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| std::string digest_auth_username_; |
| std::string digest_auth_password_; |
| #endif |
| |
| bool keep_alive_ = false; |
| bool follow_location_ = false; |
| |
| bool url_encode_ = true; |
| |
| int address_family_ = AF_UNSPEC; |
| bool tcp_nodelay_ = CPPHTTPLIB_TCP_NODELAY; |
| SocketOptions socket_options_ = nullptr; |
| |
| bool compress_ = false; |
| bool decompress_ = true; |
| |
| std::string interface_; |
| |
| std::string proxy_host_; |
| int proxy_port_ = -1; |
| |
| std::string proxy_basic_auth_username_; |
| std::string proxy_basic_auth_password_; |
| std::string proxy_bearer_token_auth_token_; |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| std::string proxy_digest_auth_username_; |
| std::string proxy_digest_auth_password_; |
| #endif |
| |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| std::string ca_cert_file_path_; |
| std::string ca_cert_dir_path_; |
| |
| X509_STORE *ca_cert_store_ = nullptr; |
| #endif |
| |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| bool server_certificate_verification_ = true; |
| #endif |
| |
| Logger logger_; |
| |
| private: |
| bool send_(Request &req, Response &res, Error &error); |
| Result send_(Request &&req); |
| |
| socket_t create_client_socket(Error &error) const; |
| bool read_response_line(Stream &strm, const Request &req, Response &res); |
| bool write_request(Stream &strm, Request &req, bool close_connection, |
| Error &error); |
| bool redirect(Request &req, Response &res, Error &error); |
| bool handle_request(Stream &strm, Request &req, Response &res, |
| bool close_connection, Error &error); |
| std::unique_ptr<Response> send_with_content_provider( |
| Request &req, const char *body, size_t content_length, |
| ContentProvider content_provider, |
| ContentProviderWithoutLength content_provider_without_length, |
| const std::string &content_type, Error &error); |
| Result send_with_content_provider( |
| const std::string &method, const std::string &path, |
| const Headers &headers, const char *body, size_t content_length, |
| ContentProvider content_provider, |
| ContentProviderWithoutLength content_provider_without_length, |
| const std::string &content_type); |
| ContentProviderWithoutLength get_multipart_content_provider( |
| const std::string &boundary, const MultipartFormDataItems &items, |
| const MultipartFormDataProviderItems &provider_items); |
| |
| std::string adjust_host_string(const std::string &host) const; |
| |
| virtual bool process_socket(const Socket &socket, |
| std::function<bool(Stream &strm)> callback); |
| virtual bool is_ssl() const; |
| }; |
| |
| class Client { |
| public: |
| // Universal interface |
| explicit Client(const std::string &scheme_host_port); |
| |
| explicit Client(const std::string &scheme_host_port, |
| const std::string &client_cert_path, |
| const std::string &client_key_path); |
| |
| // HTTP only interface |
| explicit Client(const std::string &host, int port); |
| |
| explicit Client(const std::string &host, int port, |
| const std::string &client_cert_path, |
| const std::string &client_key_path); |
| |
| Client(Client &&) = default; |
| |
| ~Client(); |
| |
| bool is_valid() const; |
| |
| Result Get(const std::string &path); |
| Result Get(const std::string &path, const Headers &headers); |
| Result Get(const std::string &path, Progress progress); |
| Result Get(const std::string &path, const Headers &headers, |
| Progress progress); |
| Result Get(const std::string &path, ContentReceiver content_receiver); |
| Result Get(const std::string &path, const Headers &headers, |
| ContentReceiver content_receiver); |
| Result Get(const std::string &path, ContentReceiver content_receiver, |
| Progress progress); |
| Result Get(const std::string &path, const Headers &headers, |
| ContentReceiver content_receiver, Progress progress); |
| Result Get(const std::string &path, ResponseHandler response_handler, |
| ContentReceiver content_receiver); |
| Result Get(const std::string &path, const Headers &headers, |
| ResponseHandler response_handler, |
| ContentReceiver content_receiver); |
| Result Get(const std::string &path, const Headers &headers, |
| ResponseHandler response_handler, ContentReceiver content_receiver, |
| Progress progress); |
| Result Get(const std::string &path, ResponseHandler response_handler, |
| ContentReceiver content_receiver, Progress progress); |
| |
| Result Get(const std::string &path, const Params ¶ms, |
| const Headers &headers, Progress progress = nullptr); |
| Result Get(const std::string &path, const Params ¶ms, |
| const Headers &headers, ContentReceiver content_receiver, |
| Progress progress = nullptr); |
| Result Get(const std::string &path, const Params ¶ms, |
| const Headers &headers, ResponseHandler response_handler, |
| ContentReceiver content_receiver, Progress progress = nullptr); |
| |
| Result Head(const std::string &path); |
| Result Head(const std::string &path, const Headers &headers); |
| |
| Result Post(const std::string &path); |
| Result Post(const std::string &path, const Headers &headers); |
| Result Post(const std::string &path, const char *body, size_t content_length, |
| const std::string &content_type); |
| Result Post(const std::string &path, const Headers &headers, const char *body, |
| size_t content_length, const std::string &content_type); |
| Result Post(const std::string &path, const std::string &body, |
| const std::string &content_type); |
| Result Post(const std::string &path, const Headers &headers, |
| const std::string &body, const std::string &content_type); |
| Result Post(const std::string &path, size_t content_length, |
| ContentProvider content_provider, |
| const std::string &content_type); |
| Result Post(const std::string &path, |
| ContentProviderWithoutLength content_provider, |
| const std::string &content_type); |
| Result Post(const std::string &path, const Headers &headers, |
| size_t content_length, ContentProvider content_provider, |
| const std::string &content_type); |
| Result Post(const std::string &path, const Headers &headers, |
| ContentProviderWithoutLength content_provider, |
| const std::string &content_type); |
| Result Post(const std::string &path, const Params ¶ms); |
| Result Post(const std::string &path, const Headers &headers, |
| const Params ¶ms); |
| Result Post(const std::string &path, const MultipartFormDataItems &items); |
| Result Post(const std::string &path, const Headers &headers, |
| const MultipartFormDataItems &items); |
| Result Post(const std::string &path, const Headers &headers, |
| const MultipartFormDataItems &items, const std::string &boundary); |
| Result Post(const std::string &path, const Headers &headers, |
| const MultipartFormDataItems &items, |
| const MultipartFormDataProviderItems &provider_items); |
| |
| Result Put(const std::string &path); |
| Result Put(const std::string &path, const char *body, size_t content_length, |
| const std::string &content_type); |
| Result Put(const std::string &path, const Headers &headers, const char *body, |
| size_t content_length, const std::string &content_type); |
| Result Put(const std::string &path, const std::string &body, |
| const std::string &content_type); |
| Result Put(const std::string &path, const Headers &headers, |
| const std::string &body, const std::string &content_type); |
| Result Put(const std::string &path, size_t content_length, |
| ContentProvider content_provider, const std::string &content_type); |
| Result Put(const std::string &path, |
| ContentProviderWithoutLength content_provider, |
| const std::string &content_type); |
| Result Put(const std::string &path, const Headers &headers, |
| size_t content_length, ContentProvider content_provider, |
| const std::string &content_type); |
| Result Put(const std::string &path, const Headers &headers, |
| ContentProviderWithoutLength content_provider, |
| const std::string &content_type); |
| Result Put(const std::string &path, const Params ¶ms); |
| Result Put(const std::string &path, const Headers &headers, |
| const Params ¶ms); |
| Result Put(const std::string &path, const MultipartFormDataItems &items); |
| Result Put(const std::string &path, const Headers &headers, |
| const MultipartFormDataItems &items); |
| Result Put(const std::string &path, const Headers &headers, |
| const MultipartFormDataItems &items, const std::string &boundary); |
| Result Put(const std::string &path, const Headers &headers, |
| const MultipartFormDataItems &items, |
| const MultipartFormDataProviderItems &provider_items); |
| |
| Result Patch(const std::string &path); |
| Result Patch(const std::string &path, const char *body, size_t content_length, |
| const std::string &content_type); |
| Result Patch(const std::string &path, const Headers &headers, |
| const char *body, size_t content_length, |
| const std::string &content_type); |
| Result Patch(const std::string &path, const std::string &body, |
| const std::string &content_type); |
| Result Patch(const std::string &path, const Headers &headers, |
| const std::string &body, const std::string &content_type); |
| Result Patch(const std::string &path, size_t content_length, |
| ContentProvider content_provider, |
| const std::string &content_type); |
| Result Patch(const std::string &path, |
| ContentProviderWithoutLength content_provider, |
| const std::string &content_type); |
| Result Patch(const std::string &path, const Headers &headers, |
| size_t content_length, ContentProvider content_provider, |
| const std::string &content_type); |
| Result Patch(const std::string &path, const Headers &headers, |
| ContentProviderWithoutLength content_provider, |
| const std::string &content_type); |
| |
| Result Delete(const std::string &path); |
| Result Delete(const std::string &path, const Headers &headers); |
| Result Delete(const std::string &path, const char *body, |
| size_t content_length, const std::string &content_type); |
| Result Delete(const std::string &path, const Headers &headers, |
| const char *body, size_t content_length, |
| const std::string &content_type); |
| Result Delete(const std::string &path, const std::string &body, |
| const std::string &content_type); |
| Result Delete(const std::string &path, const Headers &headers, |
| const std::string &body, const std::string &content_type); |
| |
| Result Options(const std::string &path); |
| Result Options(const std::string &path, const Headers &headers); |
| |
| bool send(Request &req, Response &res, Error &error); |
| Result send(const Request &req); |
| |
| void stop(); |
| |
| std::string host() const; |
| int port() const; |
| |
| size_t is_socket_open() const; |
| socket_t socket() const; |
| |
| void set_hostname_addr_map(std::map<std::string, std::string> addr_map); |
| |
| void set_default_headers(Headers headers); |
| |
| void set_address_family(int family); |
| void set_tcp_nodelay(bool on); |
| void set_socket_options(SocketOptions socket_options); |
| |
| void set_connection_timeout(time_t sec, time_t usec = 0); |
| template <class Rep, class Period> |
| void |
| set_connection_timeout(const std::chrono::duration<Rep, Period> &duration); |
| |
| void set_read_timeout(time_t sec, time_t usec = 0); |
| template <class Rep, class Period> |
| void set_read_timeout(const std::chrono::duration<Rep, Period> &duration); |
| |
| void set_write_timeout(time_t sec, time_t usec = 0); |
| template <class Rep, class Period> |
| void set_write_timeout(const std::chrono::duration<Rep, Period> &duration); |
| |
| void set_basic_auth(const std::string &username, const std::string &password); |
| void set_bearer_token_auth(const std::string &token); |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| void set_digest_auth(const std::string &username, |
| const std::string &password); |
| #endif |
| |
| void set_keep_alive(bool on); |
| void set_follow_location(bool on); |
| |
| void set_url_encode(bool on); |
| |
| void set_compress(bool on); |
| |
| void set_decompress(bool on); |
| |
| void set_interface(const std::string &intf); |
| |
| void set_proxy(const std::string &host, int port); |
| void set_proxy_basic_auth(const std::string &username, |
| const std::string &password); |
| void set_proxy_bearer_token_auth(const std::string &token); |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| void set_proxy_digest_auth(const std::string &username, |
| const std::string &password); |
| #endif |
| |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| void enable_server_certificate_verification(bool enabled); |
| #endif |
| |
| void set_logger(Logger logger); |
| |
| // SSL |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| void set_ca_cert_path(const std::string &ca_cert_file_path, |
| const std::string &ca_cert_dir_path = std::string()); |
| |
| void set_ca_cert_store(X509_STORE *ca_cert_store); |
| void load_ca_cert_store(const char *ca_cert, std::size_t size); |
| |
| long get_openssl_verify_result() const; |
| |
| SSL_CTX *ssl_context() const; |
| #endif |
| |
| private: |
| std::unique_ptr<ClientImpl> cli_; |
| |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| bool is_ssl_ = false; |
| #endif |
| }; |
| |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| class SSLServer : public Server { |
| public: |
| SSLServer(const char *cert_path, const char *private_key_path, |
| const char *client_ca_cert_file_path = nullptr, |
| const char *client_ca_cert_dir_path = nullptr, |
| const char *private_key_password = nullptr); |
| |
| SSLServer(X509 *cert, EVP_PKEY *private_key, |
| X509_STORE *client_ca_cert_store = nullptr); |
| |
| SSLServer( |
| const std::function<bool(SSL_CTX &ssl_ctx)> &setup_ssl_ctx_callback); |
| |
| ~SSLServer() override; |
| |
| bool is_valid() const override; |
| |
| SSL_CTX *ssl_context() const; |
| |
| private: |
| bool process_and_close_socket(socket_t sock) override; |
| |
| SSL_CTX *ctx_; |
| std::mutex ctx_mutex_; |
| }; |
| |
| class SSLClient : public ClientImpl { |
| public: |
| explicit SSLClient(const std::string &host); |
| |
| explicit SSLClient(const std::string &host, int port); |
| |
| explicit SSLClient(const std::string &host, int port, |
| const std::string &client_cert_path, |
| const std::string &client_key_path); |
| |
| explicit SSLClient(const std::string &host, int port, X509 *client_cert, |
| EVP_PKEY *client_key); |
| |
| ~SSLClient() override; |
| |
| bool is_valid() const override; |
| |
| void set_ca_cert_store(X509_STORE *ca_cert_store); |
| void load_ca_cert_store(const char *ca_cert, std::size_t size); |
| |
| long get_openssl_verify_result() const; |
| |
| SSL_CTX *ssl_context() const; |
| |
| private: |
| bool create_and_connect_socket(Socket &socket, Error &error) override; |
| void shutdown_ssl(Socket &socket, bool shutdown_gracefully) override; |
| void shutdown_ssl_impl(Socket &socket, bool shutdown_socket); |
| |
| bool process_socket(const Socket &socket, |
| std::function<bool(Stream &strm)> callback) override; |
| bool is_ssl() const override; |
| |
| bool connect_with_proxy(Socket &sock, Response &res, bool &success, |
| Error &error); |
| bool initialize_ssl(Socket &socket, Error &error); |
| |
| bool load_certs(); |
| |
| bool verify_host(X509 *server_cert) const; |
| bool verify_host_with_subject_alt_name(X509 *server_cert) const; |
| bool verify_host_with_common_name(X509 *server_cert) const; |
| bool check_host_name(const char *pattern, size_t pattern_len) const; |
| |
| SSL_CTX *ctx_; |
| std::mutex ctx_mutex_; |
| std::once_flag initialize_cert_; |
| |
| std::vector<std::string> host_components_; |
| |
| long verify_result_ = 0; |
| |
| friend class ClientImpl; |
| }; |
| #endif |
| |
| /* |
| * Implementation of template methods. |
| */ |
| |
| namespace detail { |
| |
| template <typename T, typename U> |
| inline void duration_to_sec_and_usec(const T &duration, U callback) { |
| auto sec = std::chrono::duration_cast<std::chrono::seconds>(duration).count(); |
| auto usec = std::chrono::duration_cast<std::chrono::microseconds>( |
| duration - std::chrono::seconds(sec)) |
| .count(); |
| callback(static_cast<time_t>(sec), static_cast<time_t>(usec)); |
| } |
| |
| template <typename T> |
| inline T get_header_value(const Headers & /*headers*/, |
| const std::string & /*key*/, size_t /*id*/ = 0, |
| uint64_t /*def*/ = 0) {} |
| |
| template <> |
| inline uint64_t get_header_value<uint64_t>(const Headers &headers, |
| const std::string &key, size_t id, |
| uint64_t def) { |
| auto rng = headers.equal_range(key); |
| auto it = rng.first; |
| std::advance(it, static_cast<ssize_t>(id)); |
| if (it != rng.second) { |
| return std::strtoull(it->second.data(), nullptr, 10); |
| } |
| return def; |
| } |
| |
| } // namespace detail |
| |
| template <typename T> |
| inline T Request::get_header_value(const std::string &key, size_t id) const { |
| return detail::get_header_value<T>(headers, key, id, 0); |
| } |
| |
| template <typename T> |
| inline T Response::get_header_value(const std::string &key, size_t id) const { |
| return detail::get_header_value<T>(headers, key, id, 0); |
| } |
| |
| template <typename... Args> |
| inline ssize_t Stream::write_format(const char *fmt, const Args &...args) { |
| const auto bufsiz = 2048; |
| std::array<char, bufsiz> buf{}; |
| |
| auto sn = snprintf(buf.data(), buf.size() - 1, fmt, args...); |
| if (sn <= 0) { return sn; } |
| |
| auto n = static_cast<size_t>(sn); |
| |
| if (n >= buf.size() - 1) { |
| std::vector<char> glowable_buf(buf.size()); |
| |
| while (n >= glowable_buf.size() - 1) { |
| glowable_buf.resize(glowable_buf.size() * 2); |
| n = static_cast<size_t>( |
| snprintf(&glowable_buf[0], glowable_buf.size() - 1, fmt, args...)); |
| } |
| return write(&glowable_buf[0], n); |
| } else { |
| return write(buf.data(), n); |
| } |
| } |
| |
| inline void default_socket_options(socket_t sock) { |
| int yes = 1; |
| #ifdef _WIN32 |
| setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, |
| reinterpret_cast<const char *>(&yes), sizeof(yes)); |
| setsockopt(sock, SOL_SOCKET, SO_EXCLUSIVEADDRUSE, |
| reinterpret_cast<const char *>(&yes), sizeof(yes)); |
| #else |
| #ifdef SO_REUSEPORT |
| setsockopt(sock, SOL_SOCKET, SO_REUSEPORT, |
| reinterpret_cast<const void *>(&yes), sizeof(yes)); |
| #else |
| setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, |
| reinterpret_cast<const void *>(&yes), sizeof(yes)); |
| #endif |
| #endif |
| } |
| |
| inline const char *status_message(int status) { |
| switch (status) { |
| case 100: return "Continue"; |
| case 101: return "Switching Protocol"; |
| case 102: return "Processing"; |
| case 103: return "Early Hints"; |
| case 200: return "OK"; |
| case 201: return "Created"; |
| case 202: return "Accepted"; |
| case 203: return "Non-Authoritative Information"; |
| case 204: return "No Content"; |
| case 205: return "Reset Content"; |
| case 206: return "Partial Content"; |
| case 207: return "Multi-Status"; |
| case 208: return "Already Reported"; |
| case 226: return "IM Used"; |
| case 300: return "Multiple Choice"; |
| case 301: return "Moved Permanently"; |
| case 302: return "Found"; |
| case 303: return "See Other"; |
| case 304: return "Not Modified"; |
| case 305: return "Use Proxy"; |
| case 306: return "unused"; |
| case 307: return "Temporary Redirect"; |
| case 308: return "Permanent Redirect"; |
| case 400: return "Bad Request"; |
| case 401: return "Unauthorized"; |
| case 402: return "Payment Required"; |
| case 403: return "Forbidden"; |
| case 404: return "Not Found"; |
| case 405: return "Method Not Allowed"; |
| case 406: return "Not Acceptable"; |
| case 407: return "Proxy Authentication Required"; |
| case 408: return "Request Timeout"; |
| case 409: return "Conflict"; |
| case 410: return "Gone"; |
| case 411: return "Length Required"; |
| case 412: return "Precondition Failed"; |
| case 413: return "Payload Too Large"; |
| case 414: return "URI Too Long"; |
| case 415: return "Unsupported Media Type"; |
| case 416: return "Range Not Satisfiable"; |
| case 417: return "Expectation Failed"; |
| case 418: return "I'm a teapot"; |
| case 421: return "Misdirected Request"; |
| case 422: return "Unprocessable Entity"; |
| case 423: return "Locked"; |
| case 424: return "Failed Dependency"; |
| case 425: return "Too Early"; |
| case 426: return "Upgrade Required"; |
| case 428: return "Precondition Required"; |
| case 429: return "Too Many Requests"; |
| case 431: return "Request Header Fields Too Large"; |
| case 451: return "Unavailable For Legal Reasons"; |
| case 501: return "Not Implemented"; |
| case 502: return "Bad Gateway"; |
| case 503: return "Service Unavailable"; |
| case 504: return "Gateway Timeout"; |
| case 505: return "HTTP Version Not Supported"; |
| case 506: return "Variant Also Negotiates"; |
| case 507: return "Insufficient Storage"; |
| case 508: return "Loop Detected"; |
| case 510: return "Not Extended"; |
| case 511: return "Network Authentication Required"; |
| |
| default: |
| case 500: return "Internal Server Error"; |
| } |
| } |
| |
| template <class Rep, class Period> |
| inline Server & |
| Server::set_read_timeout(const std::chrono::duration<Rep, Period> &duration) { |
| detail::duration_to_sec_and_usec( |
| duration, [&](time_t sec, time_t usec) { set_read_timeout(sec, usec); }); |
| return *this; |
| } |
| |
| template <class Rep, class Period> |
| inline Server & |
| Server::set_write_timeout(const std::chrono::duration<Rep, Period> &duration) { |
| detail::duration_to_sec_and_usec( |
| duration, [&](time_t sec, time_t usec) { set_write_timeout(sec, usec); }); |
| return *this; |
| } |
| |
| template <class Rep, class Period> |
| inline Server & |
| Server::set_idle_interval(const std::chrono::duration<Rep, Period> &duration) { |
| detail::duration_to_sec_and_usec( |
| duration, [&](time_t sec, time_t usec) { set_idle_interval(sec, usec); }); |
| return *this; |
| } |
| |
| inline std::string to_string(const Error error) { |
| switch (error) { |
| case Error::Success: return "Success (no error)"; |
| case Error::Connection: return "Could not establish connection"; |
| case Error::BindIPAddress: return "Failed to bind IP address"; |
| case Error::Read: return "Failed to read connection"; |
| case Error::Write: return "Failed to write connection"; |
| case Error::ExceedRedirectCount: return "Maximum redirect count exceeded"; |
| case Error::Canceled: return "Connection handling canceled"; |
| case Error::SSLConnection: return "SSL connection failed"; |
| case Error::SSLLoadingCerts: return "SSL certificate loading failed"; |
| case Error::SSLServerVerification: return "SSL server verification failed"; |
| case Error::UnsupportedMultipartBoundaryChars: |
| return "Unsupported HTTP multipart boundary characters"; |
| case Error::Compression: return "Compression failed"; |
| case Error::ConnectionTimeout: return "Connection timed out"; |
| case Error::ProxyConnection: return "Proxy connection failed"; |
| case Error::Unknown: return "Unknown"; |
| default: break; |
| } |
| |
| return "Invalid"; |
| } |
| |
| inline std::ostream &operator<<(std::ostream &os, const Error &obj) { |
| os << to_string(obj); |
| os << " (" << static_cast<std::underlying_type<Error>::type>(obj) << ')'; |
| return os; |
| } |
| |
| template <typename T> |
| inline T Result::get_request_header_value(const std::string &key, |
| size_t id) const { |
| return detail::get_header_value<T>(request_headers_, key, id, 0); |
| } |
| |
| template <class Rep, class Period> |
| inline void ClientImpl::set_connection_timeout( |
| const std::chrono::duration<Rep, Period> &duration) { |
| detail::duration_to_sec_and_usec(duration, [&](time_t sec, time_t usec) { |
| set_connection_timeout(sec, usec); |
| }); |
| } |
| |
| template <class Rep, class Period> |
| inline void ClientImpl::set_read_timeout( |
| const std::chrono::duration<Rep, Period> &duration) { |
| detail::duration_to_sec_and_usec( |
| duration, [&](time_t sec, time_t usec) { set_read_timeout(sec, usec); }); |
| } |
| |
| template <class Rep, class Period> |
| inline void ClientImpl::set_write_timeout( |
| const std::chrono::duration<Rep, Period> &duration) { |
| detail::duration_to_sec_and_usec( |
| duration, [&](time_t sec, time_t usec) { set_write_timeout(sec, usec); }); |
| } |
| |
| template <class Rep, class Period> |
| inline void Client::set_connection_timeout( |
| const std::chrono::duration<Rep, Period> &duration) { |
| cli_->set_connection_timeout(duration); |
| } |
| |
| template <class Rep, class Period> |
| inline void |
| Client::set_read_timeout(const std::chrono::duration<Rep, Period> &duration) { |
| cli_->set_read_timeout(duration); |
| } |
| |
| template <class Rep, class Period> |
| inline void |
| Client::set_write_timeout(const std::chrono::duration<Rep, Period> &duration) { |
| cli_->set_write_timeout(duration); |
| } |
| |
| /* |
| * Forward declarations and types that will be part of the .h file if split into |
| * .h + .cc. |
| */ |
| |
| std::string hosted_at(const std::string &hostname); |
| |
| void hosted_at(const std::string &hostname, std::vector<std::string> &addrs); |
| |
| std::string append_query_params(const std::string &path, const Params ¶ms); |
| |
| std::pair<std::string, std::string> make_range_header(Ranges ranges); |
| |
| std::pair<std::string, std::string> |
| make_basic_authentication_header(const std::string &username, |
| const std::string &password, |
| bool is_proxy = false); |
| |
| namespace detail { |
| |
| std::string encode_query_param(const std::string &value); |
| |
| std::string decode_url(const std::string &s, bool convert_plus_to_space); |
| |
| void read_file(const std::string &path, std::string &out); |
| |
| std::string trim_copy(const std::string &s); |
| |
| void split(const char *b, const char *e, char d, |
| std::function<void(const char *, const char *)> fn); |
| |
| bool process_client_socket(socket_t sock, time_t read_timeout_sec, |
| time_t read_timeout_usec, time_t write_timeout_sec, |
| time_t write_timeout_usec, |
| std::function<bool(Stream &)> callback); |
| |
| socket_t create_client_socket( |
| const std::string &host, const std::string &ip, int port, |
| int address_family, bool tcp_nodelay, SocketOptions socket_options, |
| time_t connection_timeout_sec, time_t connection_timeout_usec, |
| time_t read_timeout_sec, time_t read_timeout_usec, time_t write_timeout_sec, |
| time_t write_timeout_usec, const std::string &intf, Error &error); |
| |
| const char *get_header_value(const Headers &headers, const std::string &key, |
| size_t id = 0, const char *def = nullptr); |
| |
| std::string params_to_query_str(const Params ¶ms); |
| |
| void parse_query_text(const std::string &s, Params ¶ms); |
| |
| bool parse_multipart_boundary(const std::string &content_type, |
| std::string &boundary); |
| |
| bool parse_range_header(const std::string &s, Ranges &ranges); |
| |
| int close_socket(socket_t sock); |
| |
| ssize_t send_socket(socket_t sock, const void *ptr, size_t size, int flags); |
| |
| ssize_t read_socket(socket_t sock, void *ptr, size_t size, int flags); |
| |
| enum class EncodingType { None = 0, Gzip, Brotli }; |
| |
| EncodingType encoding_type(const Request &req, const Response &res); |
| |
| class BufferStream : public Stream { |
| public: |
| BufferStream() = default; |
| ~BufferStream() override = default; |
| |
| bool is_readable() const override; |
| bool is_writable() const override; |
| ssize_t read(char *ptr, size_t size) override; |
| ssize_t write(const char *ptr, size_t size) override; |
| void get_remote_ip_and_port(std::string &ip, int &port) const override; |
| void get_local_ip_and_port(std::string &ip, int &port) const override; |
| socket_t socket() const override; |
| |
| const std::string &get_buffer() const; |
| |
| private: |
| std::string buffer; |
| size_t position = 0; |
| }; |
| |
| class compressor { |
| public: |
| virtual ~compressor() = default; |
| |
| typedef std::function<bool(const char *data, size_t data_len)> Callback; |
| virtual bool compress(const char *data, size_t data_length, bool last, |
| Callback callback) = 0; |
| }; |
| |
| class decompressor { |
| public: |
| virtual ~decompressor() = default; |
| |
| virtual bool is_valid() const = 0; |
| |
| typedef std::function<bool(const char *data, size_t data_len)> Callback; |
| virtual bool decompress(const char *data, size_t data_length, |
| Callback callback) = 0; |
| }; |
| |
| class nocompressor : public compressor { |
| public: |
| virtual ~nocompressor() = default; |
| |
| bool compress(const char *data, size_t data_length, bool /*last*/, |
| Callback callback) override; |
| }; |
| |
| #ifdef CPPHTTPLIB_ZLIB_SUPPORT |
| class gzip_compressor : public compressor { |
| public: |
| gzip_compressor(); |
| ~gzip_compressor(); |
| |
| bool compress(const char *data, size_t data_length, bool last, |
| Callback callback) override; |
| |
| private: |
| bool is_valid_ = false; |
| z_stream strm_; |
| }; |
| |
| class gzip_decompressor : public decompressor { |
| public: |
| gzip_decompressor(); |
| ~gzip_decompressor(); |
| |
| bool is_valid() const override; |
| |
| bool decompress(const char *data, size_t data_length, |
| Callback callback) override; |
| |
| private: |
| bool is_valid_ = false; |
| z_stream strm_; |
| }; |
| #endif |
| |
| #ifdef CPPHTTPLIB_BROTLI_SUPPORT |
| class brotli_compressor : public compressor { |
| public: |
| brotli_compressor(); |
| ~brotli_compressor(); |
| |
| bool compress(const char *data, size_t data_length, bool last, |
| Callback callback) override; |
| |
| private: |
| BrotliEncoderState *state_ = nullptr; |
| }; |
| |
| class brotli_decompressor : public decompressor { |
| public: |
| brotli_decompressor(); |
| ~brotli_decompressor(); |
| |
| bool is_valid() const override; |
| |
| bool decompress(const char *data, size_t data_length, |
| Callback callback) override; |
| |
| private: |
| BrotliDecoderResult decoder_r; |
| BrotliDecoderState *decoder_s = nullptr; |
| }; |
| #endif |
| |
| // NOTE: until the read size reaches `fixed_buffer_size`, use `fixed_buffer` |
| // to store data. The call can set memory on stack for performance. |
| class stream_line_reader { |
| public: |
| stream_line_reader(Stream &strm, char *fixed_buffer, |
| size_t fixed_buffer_size); |
| const char *ptr() const; |
| size_t size() const; |
| bool end_with_crlf() const; |
| bool getline(); |
| |
| private: |
| void append(char c); |
| |
| Stream &strm_; |
| char *fixed_buffer_; |
| const size_t fixed_buffer_size_; |
| size_t fixed_buffer_used_size_ = 0; |
| std::string glowable_buffer_; |
| }; |
| |
| } // namespace detail |
| |
| // ---------------------------------------------------------------------------- |
| |
| /* |
| * Implementation that will be part of the .cc file if split into .h + .cc. |
| */ |
| |
| namespace detail { |
| |
| inline bool is_hex(char c, int &v) { |
| if (0x20 <= c && isdigit(c)) { |
| v = c - '0'; |
| return true; |
| } else if ('A' <= c && c <= 'F') { |
| v = c - 'A' + 10; |
| return true; |
| } else if ('a' <= c && c <= 'f') { |
| v = c - 'a' + 10; |
| return true; |
| } |
| return false; |
| } |
| |
| inline bool from_hex_to_i(const std::string &s, size_t i, size_t cnt, |
| int &val) { |
| if (i >= s.size()) { return false; } |
| |
| val = 0; |
| for (; cnt; i++, cnt--) { |
| if (!s[i]) { return false; } |
| auto v = 0; |
| if (is_hex(s[i], v)) { |
| val = val * 16 + v; |
| } else { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| inline std::string from_i_to_hex(size_t n) { |
| static const auto charset = "0123456789abcdef"; |
| std::string ret; |
| do { |
| ret = charset[n & 15] + ret; |
| n >>= 4; |
| } while (n > 0); |
| return ret; |
| } |
| |
| inline size_t to_utf8(int code, char *buff) { |
| if (code < 0x0080) { |
| buff[0] = (code & 0x7F); |
| return 1; |
| } else if (code < 0x0800) { |
| buff[0] = static_cast<char>(0xC0 | ((code >> 6) & 0x1F)); |
| buff[1] = static_cast<char>(0x80 | (code & 0x3F)); |
| return 2; |
| } else if (code < 0xD800) { |
| buff[0] = static_cast<char>(0xE0 | ((code >> 12) & 0xF)); |
| buff[1] = static_cast<char>(0x80 | ((code >> 6) & 0x3F)); |
| buff[2] = static_cast<char>(0x80 | (code & 0x3F)); |
| return 3; |
| } else if (code < 0xE000) { // D800 - DFFF is invalid... |
| return 0; |
| } else if (code < 0x10000) { |
| buff[0] = static_cast<char>(0xE0 | ((code >> 12) & 0xF)); |
| buff[1] = static_cast<char>(0x80 | ((code >> 6) & 0x3F)); |
| buff[2] = static_cast<char>(0x80 | (code & 0x3F)); |
| return 3; |
| } else if (code < 0x110000) { |
| buff[0] = static_cast<char>(0xF0 | ((code >> 18) & 0x7)); |
| buff[1] = static_cast<char>(0x80 | ((code >> 12) & 0x3F)); |
| buff[2] = static_cast<char>(0x80 | ((code >> 6) & 0x3F)); |
| buff[3] = static_cast<char>(0x80 | (code & 0x3F)); |
| return 4; |
| } |
| |
| // NOTREACHED |
| return 0; |
| } |
| |
| // NOTE: This code came up with the following stackoverflow post: |
| // https://stackoverflow.com/questions/180947/base64-decode-snippet-in-c |
| inline std::string base64_encode(const std::string &in) { |
| static const auto lookup = |
| "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; |
| |
| std::string out; |
| out.reserve(in.size()); |
| |
| auto val = 0; |
| auto valb = -6; |
| |
| for (auto c : in) { |
| val = (val << 8) + static_cast<uint8_t>(c); |
| valb += 8; |
| while (valb >= 0) { |
| out.push_back(lookup[(val >> valb) & 0x3F]); |
| valb -= 6; |
| } |
| } |
| |
| if (valb > -6) { out.push_back(lookup[((val << 8) >> (valb + 8)) & 0x3F]); } |
| |
| while (out.size() % 4) { |
| out.push_back('='); |
| } |
| |
| return out; |
| } |
| |
| inline bool is_file(const std::string &path) { |
| #ifdef _WIN32 |
| return _access_s(path.c_str(), 0) == 0; |
| #else |
| struct stat st; |
| return stat(path.c_str(), &st) >= 0 && S_ISREG(st.st_mode); |
| #endif |
| } |
| |
| inline bool is_dir(const std::string &path) { |
| struct stat st; |
| return stat(path.c_str(), &st) >= 0 && S_ISDIR(st.st_mode); |
| } |
| |
| inline bool is_valid_path(const std::string &path) { |
| size_t level = 0; |
| size_t i = 0; |
| |
| // Skip slash |
| while (i < path.size() && path[i] == '/') { |
| i++; |
| } |
| |
| while (i < path.size()) { |
| // Read component |
| auto beg = i; |
| while (i < path.size() && path[i] != '/') { |
| i++; |
| } |
| |
| auto len = i - beg; |
| assert(len > 0); |
| |
| if (!path.compare(beg, len, ".")) { |
| ; |
| } else if (!path.compare(beg, len, "..")) { |
| if (level == 0) { return false; } |
| level--; |
| } else { |
| level++; |
| } |
| |
| // Skip slash |
| while (i < path.size() && path[i] == '/') { |
| i++; |
| } |
| } |
| |
| return true; |
| } |
| |
| inline std::string encode_query_param(const std::string &value) { |
| std::ostringstream escaped; |
| escaped.fill('0'); |
| escaped << std::hex; |
| |
| for (auto c : value) { |
| if (std::isalnum(static_cast<uint8_t>(c)) || c == '-' || c == '_' || |
| c == '.' || c == '!' || c == '~' || c == '*' || c == '\'' || c == '(' || |
| c == ')') { |
| escaped << c; |
| } else { |
| escaped << std::uppercase; |
| escaped << '%' << std::setw(2) |
| << static_cast<int>(static_cast<unsigned char>(c)); |
| escaped << std::nouppercase; |
| } |
| } |
| |
| return escaped.str(); |
| } |
| |
| inline std::string encode_url(const std::string &s) { |
| std::string result; |
| result.reserve(s.size()); |
| |
| for (size_t i = 0; s[i]; i++) { |
| switch (s[i]) { |
| case ' ': result += "%20"; break; |
| case '+': result += "%2B"; break; |
| case '\r': result += "%0D"; break; |
| case '\n': result += "%0A"; break; |
| case '\'': result += "%27"; break; |
| case ',': result += "%2C"; break; |
| // case ':': result += "%3A"; break; // ok? probably... |
| case ';': result += "%3B"; break; |
| default: |
| auto c = static_cast<uint8_t>(s[i]); |
| if (c >= 0x80) { |
| result += '%'; |
| char hex[4]; |
| auto len = snprintf(hex, sizeof(hex) - 1, "%02X", c); |
| assert(len == 2); |
| result.append(hex, static_cast<size_t>(len)); |
| } else { |
| result += s[i]; |
| } |
| break; |
| } |
| } |
| |
| return result; |
| } |
| |
| inline std::string decode_url(const std::string &s, |
| bool convert_plus_to_space) { |
| std::string result; |
| |
| for (size_t i = 0; i < s.size(); i++) { |
| if (s[i] == '%' && i + 1 < s.size()) { |
| if (s[i + 1] == 'u') { |
| auto val = 0; |
| if (from_hex_to_i(s, i + 2, 4, val)) { |
| // 4 digits Unicode codes |
| char buff[4]; |
| size_t len = to_utf8(val, buff); |
| if (len > 0) { result.append(buff, len); } |
| i += 5; // 'u0000' |
| } else { |
| result += s[i]; |
| } |
| } else { |
| auto val = 0; |
| if (from_hex_to_i(s, i + 1, 2, val)) { |
| // 2 digits hex codes |
| result += static_cast<char>(val); |
| i += 2; // '00' |
| } else { |
| result += s[i]; |
| } |
| } |
| } else if (convert_plus_to_space && s[i] == '+') { |
| result += ' '; |
| } else { |
| result += s[i]; |
| } |
| } |
| |
| return result; |
| } |
| |
| inline void read_file(const std::string &path, std::string &out) { |
| std::ifstream fs(path, std::ios_base::binary); |
| fs.seekg(0, std::ios_base::end); |
| auto size = fs.tellg(); |
| fs.seekg(0); |
| out.resize(static_cast<size_t>(size)); |
| fs.read(&out[0], static_cast<std::streamsize>(size)); |
| } |
| |
| inline std::string file_extension(const std::string &path) { |
| std::smatch m; |
| static auto re = std::regex("\\.([a-zA-Z0-9]+)$"); |
| if (std::regex_search(path, m, re)) { return m[1].str(); } |
| return std::string(); |
| } |
| |
| inline bool is_space_or_tab(char c) { return c == ' ' || c == '\t'; } |
| |
| inline std::pair<size_t, size_t> trim(const char *b, const char *e, size_t left, |
| size_t right) { |
| while (b + left < e && is_space_or_tab(b[left])) { |
| left++; |
| } |
| while (right > 0 && is_space_or_tab(b[right - 1])) { |
| right--; |
| } |
| return std::make_pair(left, right); |
| } |
| |
| inline std::string trim_copy(const std::string &s) { |
| auto r = trim(s.data(), s.data() + s.size(), 0, s.size()); |
| return s.substr(r.first, r.second - r.first); |
| } |
| |
| inline std::string trim_double_quotes_copy(const std::string &s) { |
| if (s.length() >= 2 && s.front() == '"' && s.back() == '"') { |
| return s.substr(1, s.size() - 2); |
| } |
| return s; |
| } |
| |
| inline void split(const char *b, const char *e, char d, |
| std::function<void(const char *, const char *)> fn) { |
| size_t i = 0; |
| size_t beg = 0; |
| |
| while (e ? (b + i < e) : (b[i] != '\0')) { |
| if (b[i] == d) { |
| auto r = trim(b, e, beg, i); |
| if (r.first < r.second) { fn(&b[r.first], &b[r.second]); } |
| beg = i + 1; |
| } |
| i++; |
| } |
| |
| if (i) { |
| auto r = trim(b, e, beg, i); |
| if (r.first < r.second) { fn(&b[r.first], &b[r.second]); } |
| } |
| } |
| |
| inline stream_line_reader::stream_line_reader(Stream &strm, char *fixed_buffer, |
| size_t fixed_buffer_size) |
| : strm_(strm), fixed_buffer_(fixed_buffer), |
| fixed_buffer_size_(fixed_buffer_size) {} |
| |
| inline const char *stream_line_reader::ptr() const { |
| if (glowable_buffer_.empty()) { |
| return fixed_buffer_; |
| } else { |
| return glowable_buffer_.data(); |
| } |
| } |
| |
| inline size_t stream_line_reader::size() const { |
| if (glowable_buffer_.empty()) { |
| return fixed_buffer_used_size_; |
| } else { |
| return glowable_buffer_.size(); |
| } |
| } |
| |
| inline bool stream_line_reader::end_with_crlf() const { |
| auto end = ptr() + size(); |
| return size() >= 2 && end[-2] == '\r' && end[-1] == '\n'; |
| } |
| |
| inline bool stream_line_reader::getline() { |
| fixed_buffer_used_size_ = 0; |
| glowable_buffer_.clear(); |
| |
| for (size_t i = 0;; i++) { |
| char byte; |
| auto n = strm_.read(&byte, 1); |
| |
| if (n < 0) { |
| return false; |
| } else if (n == 0) { |
| if (i == 0) { |
| return false; |
| } else { |
| break; |
| } |
| } |
| |
| append(byte); |
| |
| if (byte == '\n') { break; } |
| } |
| |
| return true; |
| } |
| |
| inline void stream_line_reader::append(char c) { |
| if (fixed_buffer_used_size_ < fixed_buffer_size_ - 1) { |
| fixed_buffer_[fixed_buffer_used_size_++] = c; |
| fixed_buffer_[fixed_buffer_used_size_] = '\0'; |
| } else { |
| if (glowable_buffer_.empty()) { |
| assert(fixed_buffer_[fixed_buffer_used_size_] == '\0'); |
| glowable_buffer_.assign(fixed_buffer_, fixed_buffer_used_size_); |
| } |
| glowable_buffer_ += c; |
| } |
| } |
| |
| inline int close_socket(socket_t sock) { |
| #ifdef _WIN32 |
| return closesocket(sock); |
| #else |
| return close(sock); |
| #endif |
| } |
| |
| template <typename T> inline ssize_t handle_EINTR(T fn) { |
| ssize_t res = 0; |
| while (true) { |
| res = fn(); |
| if (res < 0 && errno == EINTR) { continue; } |
| break; |
| } |
| return res; |
| } |
| |
| inline ssize_t read_socket(socket_t sock, void *ptr, size_t size, int flags) { |
| return handle_EINTR([&]() { |
| return recv(sock, |
| #ifdef _WIN32 |
| static_cast<char *>(ptr), static_cast<int>(size), |
| #else |
| ptr, size, |
| #endif |
| flags); |
| }); |
| } |
| |
| inline ssize_t send_socket(socket_t sock, const void *ptr, size_t size, |
| int flags) { |
| return handle_EINTR([&]() { |
| return send(sock, |
| #ifdef _WIN32 |
| static_cast<const char *>(ptr), static_cast<int>(size), |
| #else |
| ptr, size, |
| #endif |
| flags); |
| }); |
| } |
| |
| inline ssize_t select_read(socket_t sock, time_t sec, time_t usec) { |
| #ifdef CPPHTTPLIB_USE_POLL |
| struct pollfd pfd_read; |
| pfd_read.fd = sock; |
| pfd_read.events = POLLIN; |
| |
| auto timeout = static_cast<int>(sec * 1000 + usec / 1000); |
| |
| return handle_EINTR([&]() { return poll(&pfd_read, 1, timeout); }); |
| #else |
| #ifndef _WIN32 |
| if (sock >= FD_SETSIZE) { return 1; } |
| #endif |
| |
| fd_set fds; |
| FD_ZERO(&fds); |
| FD_SET(sock, &fds); |
| |
| timeval tv; |
| tv.tv_sec = static_cast<long>(sec); |
| tv.tv_usec = static_cast<decltype(tv.tv_usec)>(usec); |
| |
| return handle_EINTR([&]() { |
| return select(static_cast<int>(sock + 1), &fds, nullptr, nullptr, &tv); |
| }); |
| #endif |
| } |
| |
| inline ssize_t select_write(socket_t sock, time_t sec, time_t usec) { |
| #ifdef CPPHTTPLIB_USE_POLL |
| struct pollfd pfd_read; |
| pfd_read.fd = sock; |
| pfd_read.events = POLLOUT; |
| |
| auto timeout = static_cast<int>(sec * 1000 + usec / 1000); |
| |
| return handle_EINTR([&]() { return poll(&pfd_read, 1, timeout); }); |
| #else |
| #ifndef _WIN32 |
| if (sock >= FD_SETSIZE) { return 1; } |
| #endif |
| |
| fd_set fds; |
| FD_ZERO(&fds); |
| FD_SET(sock, &fds); |
| |
| timeval tv; |
| tv.tv_sec = static_cast<long>(sec); |
| tv.tv_usec = static_cast<decltype(tv.tv_usec)>(usec); |
| |
| return handle_EINTR([&]() { |
| return select(static_cast<int>(sock + 1), nullptr, &fds, nullptr, &tv); |
| }); |
| #endif |
| } |
| |
| inline Error wait_until_socket_is_ready(socket_t sock, time_t sec, |
| time_t usec) { |
| #ifdef CPPHTTPLIB_USE_POLL |
| struct pollfd pfd_read; |
| pfd_read.fd = sock; |
| pfd_read.events = POLLIN | POLLOUT; |
| |
| auto timeout = static_cast<int>(sec * 1000 + usec / 1000); |
| |
| auto poll_res = handle_EINTR([&]() { return poll(&pfd_read, 1, timeout); }); |
| |
| if (poll_res == 0) { return Error::ConnectionTimeout; } |
| |
| if (poll_res > 0 && pfd_read.revents & (POLLIN | POLLOUT)) { |
| auto error = 0; |
| socklen_t len = sizeof(error); |
| auto res = getsockopt(sock, SOL_SOCKET, SO_ERROR, |
| reinterpret_cast<char *>(&error), &len); |
| auto successful = res >= 0 && !error; |
| return successful ? Error::Success : Error::Connection; |
| } |
| |
| return Error::Connection; |
| #else |
| #ifndef _WIN32 |
| if (sock >= FD_SETSIZE) { return Error::Connection; } |
| #endif |
| |
| fd_set fdsr; |
| FD_ZERO(&fdsr); |
| FD_SET(sock, &fdsr); |
| |
| auto fdsw = fdsr; |
| auto fdse = fdsr; |
| |
| timeval tv; |
| tv.tv_sec = static_cast<long>(sec); |
| tv.tv_usec = static_cast<decltype(tv.tv_usec)>(usec); |
| |
| auto ret = handle_EINTR([&]() { |
| return select(static_cast<int>(sock + 1), &fdsr, &fdsw, &fdse, &tv); |
| }); |
| |
| if (ret == 0) { return Error::ConnectionTimeout; } |
| |
| if (ret > 0 && (FD_ISSET(sock, &fdsr) || FD_ISSET(sock, &fdsw))) { |
| auto error = 0; |
| socklen_t len = sizeof(error); |
| auto res = getsockopt(sock, SOL_SOCKET, SO_ERROR, |
| reinterpret_cast<char *>(&error), &len); |
| auto successful = res >= 0 && !error; |
| return successful ? Error::Success : Error::Connection; |
| } |
| return Error::Connection; |
| #endif |
| } |
| |
| inline bool is_socket_alive(socket_t sock) { |
| const auto val = detail::select_read(sock, 0, 0); |
| if (val == 0) { |
| return true; |
| } else if (val < 0 && errno == EBADF) { |
| return false; |
| } |
| char buf[1]; |
| return detail::read_socket(sock, &buf[0], sizeof(buf), MSG_PEEK) > 0; |
| } |
| |
| class SocketStream : public Stream { |
| public: |
| SocketStream(socket_t sock, time_t read_timeout_sec, time_t read_timeout_usec, |
| time_t write_timeout_sec, time_t write_timeout_usec); |
| ~SocketStream() override; |
| |
| bool is_readable() const override; |
| bool is_writable() const override; |
| ssize_t read(char *ptr, size_t size) override; |
| ssize_t write(const char *ptr, size_t size) override; |
| void get_remote_ip_and_port(std::string &ip, int &port) const override; |
| void get_local_ip_and_port(std::string &ip, int &port) const override; |
| socket_t socket() const override; |
| |
| private: |
| socket_t sock_; |
| time_t read_timeout_sec_; |
| time_t read_timeout_usec_; |
| time_t write_timeout_sec_; |
| time_t write_timeout_usec_; |
| |
| std::vector<char> read_buff_; |
| size_t read_buff_off_ = 0; |
| size_t read_buff_content_size_ = 0; |
| |
| static const size_t read_buff_size_ = 1024 * 4; |
| }; |
| |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| class SSLSocketStream : public Stream { |
| public: |
| SSLSocketStream(socket_t sock, SSL *ssl, time_t read_timeout_sec, |
| time_t read_timeout_usec, time_t write_timeout_sec, |
| time_t write_timeout_usec); |
| ~SSLSocketStream() override; |
| |
| bool is_readable() const override; |
| bool is_writable() const override; |
| ssize_t read(char *ptr, size_t size) override; |
| ssize_t write(const char *ptr, size_t size) override; |
| void get_remote_ip_and_port(std::string &ip, int &port) const override; |
| void get_local_ip_and_port(std::string &ip, int &port) const override; |
| socket_t socket() const override; |
| |
| private: |
| socket_t sock_; |
| SSL *ssl_; |
| time_t read_timeout_sec_; |
| time_t read_timeout_usec_; |
| time_t write_timeout_sec_; |
| time_t write_timeout_usec_; |
| }; |
| #endif |
| |
| inline bool keep_alive(socket_t sock, time_t keep_alive_timeout_sec) { |
| using namespace std::chrono; |
| auto start = steady_clock::now(); |
| while (true) { |
| auto val = select_read(sock, 0, 10000); |
| if (val < 0) { |
| return false; |
| } else if (val == 0) { |
| auto current = steady_clock::now(); |
| auto duration = duration_cast<milliseconds>(current - start); |
| auto timeout = keep_alive_timeout_sec * 1000; |
| if (duration.count() > timeout) { return false; } |
| std::this_thread::sleep_for(std::chrono::milliseconds(1)); |
| } else { |
| return true; |
| } |
| } |
| } |
| |
| template <typename T> |
| inline bool |
| process_server_socket_core(const std::atomic<socket_t> &svr_sock, socket_t sock, |
| size_t keep_alive_max_count, |
| time_t keep_alive_timeout_sec, T callback) { |
| assert(keep_alive_max_count > 0); |
| auto ret = false; |
| auto count = keep_alive_max_count; |
| while (svr_sock != INVALID_SOCKET && count > 0 && |
| keep_alive(sock, keep_alive_timeout_sec)) { |
| auto close_connection = count == 1; |
| auto connection_closed = false; |
| ret = callback(close_connection, connection_closed); |
| if (!ret || connection_closed) { break; } |
| count--; |
| } |
| return ret; |
| } |
| |
| template <typename T> |
| inline bool |
| process_server_socket(const std::atomic<socket_t> &svr_sock, socket_t sock, |
| size_t keep_alive_max_count, |
| time_t keep_alive_timeout_sec, time_t read_timeout_sec, |
| time_t read_timeout_usec, time_t write_timeout_sec, |
| time_t write_timeout_usec, T callback) { |
| return process_server_socket_core( |
| svr_sock, sock, keep_alive_max_count, keep_alive_timeout_sec, |
| [&](bool close_connection, bool &connection_closed) { |
| SocketStream strm(sock, read_timeout_sec, read_timeout_usec, |
| write_timeout_sec, write_timeout_usec); |
| return callback(strm, close_connection, connection_closed); |
| }); |
| } |
| |
| inline bool process_client_socket(socket_t sock, time_t read_timeout_sec, |
| time_t read_timeout_usec, |
| time_t write_timeout_sec, |
| time_t write_timeout_usec, |
| std::function<bool(Stream &)> callback) { |
| SocketStream strm(sock, read_timeout_sec, read_timeout_usec, |
| write_timeout_sec, write_timeout_usec); |
| return callback(strm); |
| } |
| |
| inline int shutdown_socket(socket_t sock) { |
| #ifdef _WIN32 |
| return shutdown(sock, SD_BOTH); |
| #else |
| return shutdown(sock, SHUT_RDWR); |
| #endif |
| } |
| |
| template <typename BindOrConnect> |
| socket_t create_socket(const std::string &host, const std::string &ip, int port, |
| int address_family, int socket_flags, bool tcp_nodelay, |
| SocketOptions socket_options, |
| BindOrConnect bind_or_connect) { |
| // Get address info |
| const char *node = nullptr; |
| struct addrinfo hints; |
| struct addrinfo *result; |
| |
| memset(&hints, 0, sizeof(struct addrinfo)); |
| hints.ai_socktype = SOCK_STREAM; |
| hints.ai_protocol = 0; |
| |
| if (!ip.empty()) { |
| node = ip.c_str(); |
| // Ask getaddrinfo to convert IP in c-string to address |
| hints.ai_family = AF_UNSPEC; |
| hints.ai_flags = AI_NUMERICHOST; |
| } else { |
| if (!host.empty()) { node = host.c_str(); } |
| hints.ai_family = address_family; |
| hints.ai_flags = socket_flags; |
| } |
| |
| #ifndef _WIN32 |
| if (hints.ai_family == AF_UNIX) { |
| const auto addrlen = host.length(); |
| if (addrlen > sizeof(sockaddr_un::sun_path)) return INVALID_SOCKET; |
| |
| auto sock = socket(hints.ai_family, hints.ai_socktype, hints.ai_protocol); |
| if (sock != INVALID_SOCKET) { |
| sockaddr_un addr{}; |
| addr.sun_family = AF_UNIX; |
| std::copy(host.begin(), host.end(), addr.sun_path); |
| |
| hints.ai_addr = reinterpret_cast<sockaddr *>(&addr); |
| hints.ai_addrlen = static_cast<socklen_t>( |
| sizeof(addr) - sizeof(addr.sun_path) + addrlen); |
| |
| fcntl(sock, F_SETFD, FD_CLOEXEC); |
| if (socket_options) { socket_options(sock); } |
| |
| if (!bind_or_connect(sock, hints)) { |
| close_socket(sock); |
| sock = INVALID_SOCKET; |
| } |
| } |
| return sock; |
| } |
| #endif |
| |
| auto service = std::to_string(port); |
| |
| if (getaddrinfo(node, service.c_str(), &hints, &result)) { |
| #if defined __linux__ && !defined __ANDROID__ |
| res_init(); |
| #endif |
| return INVALID_SOCKET; |
| } |
| |
| for (auto rp = result; rp; rp = rp->ai_next) { |
| // Create a socket |
| #ifdef _WIN32 |
| auto sock = |
| WSASocketW(rp->ai_family, rp->ai_socktype, rp->ai_protocol, nullptr, 0, |
| WSA_FLAG_NO_HANDLE_INHERIT | WSA_FLAG_OVERLAPPED); |
| /** |
| * Since the WSA_FLAG_NO_HANDLE_INHERIT is only supported on Windows 7 SP1 |
| * and above the socket creation fails on older Windows Systems. |
| * |
| * Let's try to create a socket the old way in this case. |
| * |
| * Reference: |
| * https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-wsasocketa |
| * |
| * WSA_FLAG_NO_HANDLE_INHERIT: |
| * This flag is supported on Windows 7 with SP1, Windows Server 2008 R2 with |
| * SP1, and later |
| * |
| */ |
| if (sock == INVALID_SOCKET) { |
| sock = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol); |
| } |
| #else |
| auto sock = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol); |
| #endif |
| if (sock == INVALID_SOCKET) { continue; } |
| |
| #ifndef _WIN32 |
| if (fcntl(sock, F_SETFD, FD_CLOEXEC) == -1) { |
| close_socket(sock); |
| continue; |
| } |
| #endif |
| |
| if (tcp_nodelay) { |
| auto yes = 1; |
| #ifdef _WIN32 |
| setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, |
| reinterpret_cast<const char *>(&yes), sizeof(yes)); |
| #else |
| setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, |
| reinterpret_cast<const void *>(&yes), sizeof(yes)); |
| #endif |
| } |
| |
| if (socket_options) { socket_options(sock); } |
| |
| if (rp->ai_family == AF_INET6) { |
| auto no = 0; |
| #ifdef _WIN32 |
| setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, |
| reinterpret_cast<const char *>(&no), sizeof(no)); |
| #else |
| setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, |
| reinterpret_cast<const void *>(&no), sizeof(no)); |
| #endif |
| } |
| |
| // bind or connect |
| if (bind_or_connect(sock, *rp)) { |
| freeaddrinfo(result); |
| return sock; |
| } |
| |
| close_socket(sock); |
| } |
| |
| freeaddrinfo(result); |
| return INVALID_SOCKET; |
| } |
| |
| inline void set_nonblocking(socket_t sock, bool nonblocking) { |
| #ifdef _WIN32 |
| auto flags = nonblocking ? 1UL : 0UL; |
| ioctlsocket(sock, FIONBIO, &flags); |
| #else |
| auto flags = fcntl(sock, F_GETFL, 0); |
| fcntl(sock, F_SETFL, |
| nonblocking ? (flags | O_NONBLOCK) : (flags & (~O_NONBLOCK))); |
| #endif |
| } |
| |
| inline bool is_connection_error() { |
| #ifdef _WIN32 |
| return WSAGetLastError() != WSAEWOULDBLOCK; |
| #else |
| return errno != EINPROGRESS; |
| #endif |
| } |
| |
| inline bool bind_ip_address(socket_t sock, const std::string &host) { |
| struct addrinfo hints; |
| struct addrinfo *result; |
| |
| memset(&hints, 0, sizeof(struct addrinfo)); |
| hints.ai_family = AF_UNSPEC; |
| hints.ai_socktype = SOCK_STREAM; |
| hints.ai_protocol = 0; |
| |
| if (getaddrinfo(host.c_str(), "0", &hints, &result)) { return false; } |
| |
| auto ret = false; |
| for (auto rp = result; rp; rp = rp->ai_next) { |
| const auto &ai = *rp; |
| if (!::bind(sock, ai.ai_addr, static_cast<socklen_t>(ai.ai_addrlen))) { |
| ret = true; |
| break; |
| } |
| } |
| |
| freeaddrinfo(result); |
| return ret; |
| } |
| |
| #if !defined _WIN32 && !defined ANDROID && !defined _AIX && !defined __MVS__ |
| #define USE_IF2IP |
| #endif |
| |
| #ifdef USE_IF2IP |
| inline std::string if2ip(int address_family, const std::string &ifn) { |
| struct ifaddrs *ifap; |
| getifaddrs(&ifap); |
| std::string addr_candidate; |
| for (auto ifa = ifap; ifa; ifa = ifa->ifa_next) { |
| if (ifa->ifa_addr && ifn == ifa->ifa_name && |
| (AF_UNSPEC == address_family || |
| ifa->ifa_addr->sa_family == address_family)) { |
| if (ifa->ifa_addr->sa_family == AF_INET) { |
| auto sa = reinterpret_cast<struct sockaddr_in *>(ifa->ifa_addr); |
| char buf[INET_ADDRSTRLEN]; |
| if (inet_ntop(AF_INET, &sa->sin_addr, buf, INET_ADDRSTRLEN)) { |
| freeifaddrs(ifap); |
| return std::string(buf, INET_ADDRSTRLEN); |
| } |
| } else if (ifa->ifa_addr->sa_family == AF_INET6) { |
| auto sa = reinterpret_cast<struct sockaddr_in6 *>(ifa->ifa_addr); |
| if (!IN6_IS_ADDR_LINKLOCAL(&sa->sin6_addr)) { |
| char buf[INET6_ADDRSTRLEN] = {}; |
| if (inet_ntop(AF_INET6, &sa->sin6_addr, buf, INET6_ADDRSTRLEN)) { |
| // equivalent to mac's IN6_IS_ADDR_UNIQUE_LOCAL |
| auto s6_addr_head = sa->sin6_addr.s6_addr[0]; |
| if (s6_addr_head == 0xfc || s6_addr_head == 0xfd) { |
| addr_candidate = std::string(buf, INET6_ADDRSTRLEN); |
| } else { |
| freeifaddrs(ifap); |
| return std::string(buf, INET6_ADDRSTRLEN); |
| } |
| } |
| } |
| } |
| } |
| } |
| freeifaddrs(ifap); |
| return addr_candidate; |
| } |
| #endif |
| |
| inline socket_t create_client_socket( |
| const std::string &host, const std::string &ip, int port, |
| int address_family, bool tcp_nodelay, SocketOptions socket_options, |
| time_t connection_timeout_sec, time_t connection_timeout_usec, |
| time_t read_timeout_sec, time_t read_timeout_usec, time_t write_timeout_sec, |
| time_t write_timeout_usec, const std::string &intf, Error &error) { |
| auto sock = create_socket( |
| host, ip, port, address_family, 0, tcp_nodelay, std::move(socket_options), |
| [&](socket_t sock2, struct addrinfo &ai) -> bool { |
| if (!intf.empty()) { |
| #ifdef USE_IF2IP |
| auto ip_from_if = if2ip(address_family, intf); |
| if (ip_from_if.empty()) { ip_from_if = intf; } |
| if (!bind_ip_address(sock2, ip_from_if.c_str())) { |
| error = Error::BindIPAddress; |
| return false; |
| } |
| #endif |
| } |
| |
| set_nonblocking(sock2, true); |
| |
| auto ret = |
| ::connect(sock2, ai.ai_addr, static_cast<socklen_t>(ai.ai_addrlen)); |
| |
| if (ret < 0) { |
| if (is_connection_error()) { |
| error = Error::Connection; |
| return false; |
| } |
| error = wait_until_socket_is_ready(sock2, connection_timeout_sec, |
| connection_timeout_usec); |
| if (error != Error::Success) { return false; } |
| } |
| |
| set_nonblocking(sock2, false); |
| |
| { |
| #ifdef _WIN32 |
| auto timeout = static_cast<uint32_t>(read_timeout_sec * 1000 + |
| read_timeout_usec / 1000); |
| setsockopt(sock2, SOL_SOCKET, SO_RCVTIMEO, |
| reinterpret_cast<const char *>(&timeout), sizeof(timeout)); |
| #else |
| timeval tv; |
| tv.tv_sec = static_cast<long>(read_timeout_sec); |
| tv.tv_usec = static_cast<decltype(tv.tv_usec)>(read_timeout_usec); |
| setsockopt(sock2, SOL_SOCKET, SO_RCVTIMEO, |
| reinterpret_cast<const void *>(&tv), sizeof(tv)); |
| #endif |
| } |
| { |
| |
| #ifdef _WIN32 |
| auto timeout = static_cast<uint32_t>(write_timeout_sec * 1000 + |
| write_timeout_usec / 1000); |
| setsockopt(sock2, SOL_SOCKET, SO_SNDTIMEO, |
| reinterpret_cast<const char *>(&timeout), sizeof(timeout)); |
| #else |
| timeval tv; |
| tv.tv_sec = static_cast<long>(write_timeout_sec); |
| tv.tv_usec = static_cast<decltype(tv.tv_usec)>(write_timeout_usec); |
| setsockopt(sock2, SOL_SOCKET, SO_SNDTIMEO, |
| reinterpret_cast<const void *>(&tv), sizeof(tv)); |
| #endif |
| } |
| |
| error = Error::Success; |
| return true; |
| }); |
| |
| if (sock != INVALID_SOCKET) { |
| error = Error::Success; |
| } else { |
| if (error == Error::Success) { error = Error::Connection; } |
| } |
| |
| return sock; |
| } |
| |
| inline bool get_ip_and_port(const struct sockaddr_storage &addr, |
| socklen_t addr_len, std::string &ip, int &port) { |
| if (addr.ss_family == AF_INET) { |
| port = ntohs(reinterpret_cast<const struct sockaddr_in *>(&addr)->sin_port); |
| } else if (addr.ss_family == AF_INET6) { |
| port = |
| ntohs(reinterpret_cast<const struct sockaddr_in6 *>(&addr)->sin6_port); |
| } else { |
| return false; |
| } |
| |
| std::array<char, NI_MAXHOST> ipstr{}; |
| if (getnameinfo(reinterpret_cast<const struct sockaddr *>(&addr), addr_len, |
| ipstr.data(), static_cast<socklen_t>(ipstr.size()), nullptr, |
| 0, NI_NUMERICHOST)) { |
| return false; |
| } |
| |
| ip = ipstr.data(); |
| return true; |
| } |
| |
| inline void get_local_ip_and_port(socket_t sock, std::string &ip, int &port) { |
| struct sockaddr_storage addr; |
| socklen_t addr_len = sizeof(addr); |
| if (!getsockname(sock, reinterpret_cast<struct sockaddr *>(&addr), |
| &addr_len)) { |
| get_ip_and_port(addr, addr_len, ip, port); |
| } |
| } |
| |
| inline void get_remote_ip_and_port(socket_t sock, std::string &ip, int &port) { |
| struct sockaddr_storage addr; |
| socklen_t addr_len = sizeof(addr); |
| |
| if (!getpeername(sock, reinterpret_cast<struct sockaddr *>(&addr), |
| &addr_len)) { |
| #ifndef _WIN32 |
| if (addr.ss_family == AF_UNIX) { |
| #if defined(__linux__) |
| struct ucred ucred; |
| socklen_t len = sizeof(ucred); |
| if (getsockopt(sock, SOL_SOCKET, SO_PEERCRED, &ucred, &len) == 0) { |
| port = ucred.pid; |
| } |
| #elif defined(SOL_LOCAL) && defined(SO_PEERPID) // __APPLE__ |
| pid_t pid; |
| socklen_t len = sizeof(pid); |
| if (getsockopt(sock, SOL_LOCAL, SO_PEERPID, &pid, &len) == 0) { |
| port = pid; |
| } |
| #endif |
| return; |
| } |
| #endif |
| get_ip_and_port(addr, addr_len, ip, port); |
| } |
| } |
| |
| inline constexpr unsigned int str2tag_core(const char *s, size_t l, |
| unsigned int h) { |
| return (l == 0) |
| ? h |
| : str2tag_core( |
| s + 1, l - 1, |
| // Unsets the 6 high bits of h, therefore no overflow happens |
| (((std::numeric_limits<unsigned int>::max)() >> 6) & |
| h * 33) ^ |
| static_cast<unsigned char>(*s)); |
| } |
| |
| inline unsigned int str2tag(const std::string &s) { |
| return str2tag_core(s.data(), s.size(), 0); |
| } |
| |
| namespace udl { |
| |
| inline constexpr unsigned int operator"" _t(const char *s, size_t l) { |
| return str2tag_core(s, l, 0); |
| } |
| |
| } // namespace udl |
| |
| inline const char * |
| find_content_type(const std::string &path, |
| const std::map<std::string, std::string> &user_data) { |
| auto ext = file_extension(path); |
| |
| auto it = user_data.find(ext); |
| if (it != user_data.end()) { return it->second.c_str(); } |
| |
| using udl::operator""_t; |
| |
| switch (str2tag(ext)) { |
| default: return nullptr; |
| case "css"_t: return "text/css"; |
| case "csv"_t: return "text/csv"; |
| case "htm"_t: |
| case "html"_t: return "text/html"; |
| case "js"_t: |
| case "mjs"_t: return "text/javascript"; |
| case "txt"_t: return "text/plain"; |
| case "vtt"_t: return "text/vtt"; |
| |
| case "apng"_t: return "image/apng"; |
| case "avif"_t: return "image/avif"; |
| case "bmp"_t: return "image/bmp"; |
| case "gif"_t: return "image/gif"; |
| case "png"_t: return "image/png"; |
| case "svg"_t: return "image/svg+xml"; |
| case "webp"_t: return "image/webp"; |
| case "ico"_t: return "image/x-icon"; |
| case "tif"_t: return "image/tiff"; |
| case "tiff"_t: return "image/tiff"; |
| case "jpg"_t: |
| case "jpeg"_t: return "image/jpeg"; |
| |
| case "mp4"_t: return "video/mp4"; |
| case "mpeg"_t: return "video/mpeg"; |
| case "webm"_t: return "video/webm"; |
| |
| case "mp3"_t: return "audio/mp3"; |
| case "mpga"_t: return "audio/mpeg"; |
| case "weba"_t: return "audio/webm"; |
| case "wav"_t: return "audio/wave"; |
| |
| case "otf"_t: return "font/otf"; |
| case "ttf"_t: return "font/ttf"; |
| case "woff"_t: return "font/woff"; |
| case "woff2"_t: return "font/woff2"; |
| |
| case "7z"_t: return "application/x-7z-compressed"; |
| case "atom"_t: return "application/atom+xml"; |
| case "pdf"_t: return "application/pdf"; |
| case "json"_t: return "application/json"; |
| case "rss"_t: return "application/rss+xml"; |
| case "tar"_t: return "application/x-tar"; |
| case "xht"_t: |
| case "xhtml"_t: return "application/xhtml+xml"; |
| case "xslt"_t: return "application/xslt+xml"; |
| case "xml"_t: return "application/xml"; |
| case "gz"_t: return "application/gzip"; |
| case "zip"_t: return "application/zip"; |
| case "wasm"_t: return "application/wasm"; |
| } |
| } |
| |
| inline bool can_compress_content_type(const std::string &content_type) { |
| using udl::operator""_t; |
| |
| auto tag = str2tag(content_type); |
| |
| switch (tag) { |
| case "image/svg+xml"_t: |
| case "application/javascript"_t: |
| case "application/json"_t: |
| case "application/xml"_t: |
| case "application/protobuf"_t: |
| case "application/xhtml+xml"_t: return true; |
| |
| default: |
| return !content_type.rfind("text/", 0) && tag != "text/event-stream"_t; |
| } |
| } |
| |
| inline EncodingType encoding_type(const Request &req, const Response &res) { |
| auto ret = |
| detail::can_compress_content_type(res.get_header_value("Content-Type")); |
| if (!ret) { return EncodingType::None; } |
| |
| const auto &s = req.get_header_value("Accept-Encoding"); |
| (void)(s); |
| |
| #ifdef CPPHTTPLIB_BROTLI_SUPPORT |
| // TODO: 'Accept-Encoding' has br, not br;q=0 |
| ret = s.find("br") != std::string::npos; |
| if (ret) { return EncodingType::Brotli; } |
| #endif |
| |
| #ifdef CPPHTTPLIB_ZLIB_SUPPORT |
| // TODO: 'Accept-Encoding' has gzip, not gzip;q=0 |
| ret = s.find("gzip") != std::string::npos; |
| if (ret) { return EncodingType::Gzip; } |
| #endif |
| |
| return EncodingType::None; |
| } |
| |
| inline bool nocompressor::compress(const char *data, size_t data_length, |
| bool /*last*/, Callback callback) { |
| if (!data_length) { return true; } |
| return callback(data, data_length); |
| } |
| |
| #ifdef CPPHTTPLIB_ZLIB_SUPPORT |
| inline gzip_compressor::gzip_compressor() { |
| std::memset(&strm_, 0, sizeof(strm_)); |
| strm_.zalloc = Z_NULL; |
| strm_.zfree = Z_NULL; |
| strm_.opaque = Z_NULL; |
| |
| is_valid_ = deflateInit2(&strm_, Z_DEFAULT_COMPRESSION, Z_DEFLATED, 31, 8, |
| Z_DEFAULT_STRATEGY) == Z_OK; |
| } |
| |
| inline gzip_compressor::~gzip_compressor() { deflateEnd(&strm_); } |
| |
| inline bool gzip_compressor::compress(const char *data, size_t data_length, |
| bool last, Callback callback) { |
| assert(is_valid_); |
| |
| do { |
| constexpr size_t max_avail_in = |
| (std::numeric_limits<decltype(strm_.avail_in)>::max)(); |
| |
| strm_.avail_in = static_cast<decltype(strm_.avail_in)>( |
| (std::min)(data_length, max_avail_in)); |
| strm_.next_in = const_cast<Bytef *>(reinterpret_cast<const Bytef *>(data)); |
| |
| data_length -= strm_.avail_in; |
| data += strm_.avail_in; |
| |
| auto flush = (last && data_length == 0) ? Z_FINISH : Z_NO_FLUSH; |
| auto ret = Z_OK; |
| |
| std::array<char, CPPHTTPLIB_COMPRESSION_BUFSIZ> buff{}; |
| do { |
| strm_.avail_out = static_cast<uInt>(buff.size()); |
| strm_.next_out = reinterpret_cast<Bytef *>(buff.data()); |
| |
| ret = deflate(&strm_, flush); |
| if (ret == Z_STREAM_ERROR) { return false; } |
| |
| if (!callback(buff.data(), buff.size() - strm_.avail_out)) { |
| return false; |
| } |
| } while (strm_.avail_out == 0); |
| |
| assert((flush == Z_FINISH && ret == Z_STREAM_END) || |
| (flush == Z_NO_FLUSH && ret == Z_OK)); |
| assert(strm_.avail_in == 0); |
| } while (data_length > 0); |
| |
| return true; |
| } |
| |
| inline gzip_decompressor::gzip_decompressor() { |
| std::memset(&strm_, 0, sizeof(strm_)); |
| strm_.zalloc = Z_NULL; |
| strm_.zfree = Z_NULL; |
| strm_.opaque = Z_NULL; |
| |
| // 15 is the value of wbits, which should be at the maximum possible value |
| // to ensure that any gzip stream can be decoded. The offset of 32 specifies |
| // that the stream type should be automatically detected either gzip or |
| // deflate. |
| is_valid_ = inflateInit2(&strm_, 32 + 15) == Z_OK; |
| } |
| |
| inline gzip_decompressor::~gzip_decompressor() { inflateEnd(&strm_); } |
| |
| inline bool gzip_decompressor::is_valid() const { return is_valid_; } |
| |
| inline bool gzip_decompressor::decompress(const char *data, size_t data_length, |
| Callback callback) { |
| assert(is_valid_); |
| |
| auto ret = Z_OK; |
| |
| do { |
| constexpr size_t max_avail_in = |
| (std::numeric_limits<decltype(strm_.avail_in)>::max)(); |
| |
| strm_.avail_in = static_cast<decltype(strm_.avail_in)>( |
| (std::min)(data_length, max_avail_in)); |
| strm_.next_in = const_cast<Bytef *>(reinterpret_cast<const Bytef *>(data)); |
| |
| data_length -= strm_.avail_in; |
| data += strm_.avail_in; |
| |
| std::array<char, CPPHTTPLIB_COMPRESSION_BUFSIZ> buff{}; |
| while (strm_.avail_in > 0 && ret == Z_OK) { |
| strm_.avail_out = static_cast<uInt>(buff.size()); |
| strm_.next_out = reinterpret_cast<Bytef *>(buff.data()); |
| |
| ret = inflate(&strm_, Z_NO_FLUSH); |
| |
| assert(ret != Z_STREAM_ERROR); |
| switch (ret) { |
| case Z_NEED_DICT: |
| case Z_DATA_ERROR: |
| case Z_MEM_ERROR: inflateEnd(&strm_); return false; |
| } |
| |
| if (!callback(buff.data(), buff.size() - strm_.avail_out)) { |
| return false; |
| } |
| } |
| |
| if (ret != Z_OK && ret != Z_STREAM_END) return false; |
| |
| } while (data_length > 0); |
| |
| return true; |
| } |
| #endif |
| |
| #ifdef CPPHTTPLIB_BROTLI_SUPPORT |
| inline brotli_compressor::brotli_compressor() { |
| state_ = BrotliEncoderCreateInstance(nullptr, nullptr, nullptr); |
| } |
| |
| inline brotli_compressor::~brotli_compressor() { |
| BrotliEncoderDestroyInstance(state_); |
| } |
| |
| inline bool brotli_compressor::compress(const char *data, size_t data_length, |
| bool last, Callback callback) { |
| std::array<uint8_t, CPPHTTPLIB_COMPRESSION_BUFSIZ> buff{}; |
| |
| auto operation = last ? BROTLI_OPERATION_FINISH : BROTLI_OPERATION_PROCESS; |
| auto available_in = data_length; |
| auto next_in = reinterpret_cast<const uint8_t *>(data); |
| |
| for (;;) { |
| if (last) { |
| if (BrotliEncoderIsFinished(state_)) { break; } |
| } else { |
| if (!available_in) { break; } |
| } |
| |
| auto available_out = buff.size(); |
| auto next_out = buff.data(); |
| |
| if (!BrotliEncoderCompressStream(state_, operation, &available_in, &next_in, |
| &available_out, &next_out, nullptr)) { |
| return false; |
| } |
| |
| auto output_bytes = buff.size() - available_out; |
| if (output_bytes) { |
| callback(reinterpret_cast<const char *>(buff.data()), output_bytes); |
| } |
| } |
| |
| return true; |
| } |
| |
| inline brotli_decompressor::brotli_decompressor() { |
| decoder_s = BrotliDecoderCreateInstance(0, 0, 0); |
| decoder_r = decoder_s ? BROTLI_DECODER_RESULT_NEEDS_MORE_INPUT |
| : BROTLI_DECODER_RESULT_ERROR; |
| } |
| |
| inline brotli_decompressor::~brotli_decompressor() { |
| if (decoder_s) { BrotliDecoderDestroyInstance(decoder_s); } |
| } |
| |
| inline bool brotli_decompressor::is_valid() const { return decoder_s; } |
| |
| inline bool brotli_decompressor::decompress(const char *data, |
| size_t data_length, |
| Callback callback) { |
| if (decoder_r == BROTLI_DECODER_RESULT_SUCCESS || |
| decoder_r == BROTLI_DECODER_RESULT_ERROR) { |
| return 0; |
| } |
| |
| auto next_in = reinterpret_cast<const uint8_t *>(data); |
| size_t avail_in = data_length; |
| size_t total_out; |
| |
| decoder_r = BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT; |
| |
| std::array<char, CPPHTTPLIB_COMPRESSION_BUFSIZ> buff{}; |
| while (decoder_r == BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT) { |
| char *next_out = buff.data(); |
| size_t avail_out = buff.size(); |
| |
| decoder_r = BrotliDecoderDecompressStream( |
| decoder_s, &avail_in, &next_in, &avail_out, |
| reinterpret_cast<uint8_t **>(&next_out), &total_out); |
| |
| if (decoder_r == BROTLI_DECODER_RESULT_ERROR) { return false; } |
| |
| if (!callback(buff.data(), buff.size() - avail_out)) { return false; } |
| } |
| |
| return decoder_r == BROTLI_DECODER_RESULT_SUCCESS || |
| decoder_r == BROTLI_DECODER_RESULT_NEEDS_MORE_INPUT; |
| } |
| #endif |
| |
| inline bool has_header(const Headers &headers, const std::string &key) { |
| return headers.find(key) != headers.end(); |
| } |
| |
| inline const char *get_header_value(const Headers &headers, |
| const std::string &key, size_t id, |
| const char *def) { |
| auto rng = headers.equal_range(key); |
| auto it = rng.first; |
| std::advance(it, static_cast<ssize_t>(id)); |
| if (it != rng.second) { return it->second.c_str(); } |
| return def; |
| } |
| |
| inline bool compare_case_ignore(const std::string &a, const std::string &b) { |
| if (a.size() != b.size()) { return false; } |
| for (size_t i = 0; i < b.size(); i++) { |
| if (::tolower(a[i]) != ::tolower(b[i])) { return false; } |
| } |
| return true; |
| } |
| |
| template <typename T> |
| inline bool parse_header(const char *beg, const char *end, T fn) { |
| // Skip trailing spaces and tabs. |
| while (beg < end && is_space_or_tab(end[-1])) { |
| end--; |
| } |
| |
| auto p = beg; |
| while (p < end && *p != ':') { |
| p++; |
| } |
| |
| if (p == end) { return false; } |
| |
| auto key_end = p; |
| |
| if (*p++ != ':') { return false; } |
| |
| while (p < end && is_space_or_tab(*p)) { |
| p++; |
| } |
| |
| if (p < end) { |
| auto key = std::string(beg, key_end); |
| auto val = compare_case_ignore(key, "Location") |
| ? std::string(p, end) |
| : decode_url(std::string(p, end), false); |
| fn(std::move(key), std::move(val)); |
| return true; |
| } |
| |
| return false; |
| } |
| |
| inline bool read_headers(Stream &strm, Headers &headers) { |
| const auto bufsiz = 2048; |
| char buf[bufsiz]; |
| stream_line_reader line_reader(strm, buf, bufsiz); |
| |
| for (;;) { |
| if (!line_reader.getline()) { return false; } |
| |
| // Check if the line ends with CRLF. |
| auto line_terminator_len = 2; |
| if (line_reader.end_with_crlf()) { |
| // Blank line indicates end of headers. |
| if (line_reader.size() == 2) { break; } |
| #ifdef CPPHTTPLIB_ALLOW_LF_AS_LINE_TERMINATOR |
| } else { |
| // Blank line indicates end of headers. |
| if (line_reader.size() == 1) { break; } |
| line_terminator_len = 1; |
| } |
| #else |
| } else { |
| continue; // Skip invalid line. |
| } |
| #endif |
| |
| if (line_reader.size() > CPPHTTPLIB_HEADER_MAX_LENGTH) { return false; } |
| |
| // Exclude line terminator |
| auto end = line_reader.ptr() + line_reader.size() - line_terminator_len; |
| |
| parse_header(line_reader.ptr(), end, |
| [&](std::string &&key, std::string &&val) { |
| headers.emplace(std::move(key), std::move(val)); |
| }); |
| } |
| |
| return true; |
| } |
| |
| inline bool read_content_with_length(Stream &strm, uint64_t len, |
| Progress progress, |
| ContentReceiverWithProgress out) { |
| char buf[CPPHTTPLIB_RECV_BUFSIZ]; |
| |
| uint64_t r = 0; |
| while (r < len) { |
| auto read_len = static_cast<size_t>(len - r); |
| auto n = strm.read(buf, (std::min)(read_len, CPPHTTPLIB_RECV_BUFSIZ)); |
| if (n <= 0) { return false; } |
| |
| if (!out(buf, static_cast<size_t>(n), r, len)) { return false; } |
| r += static_cast<uint64_t>(n); |
| |
| if (progress) { |
| if (!progress(r, len)) { return false; } |
| } |
| } |
| |
| return true; |
| } |
| |
| inline void skip_content_with_length(Stream &strm, uint64_t len) { |
| char buf[CPPHTTPLIB_RECV_BUFSIZ]; |
| uint64_t r = 0; |
| while (r < len) { |
| auto read_len = static_cast<size_t>(len - r); |
| auto n = strm.read(buf, (std::min)(read_len, CPPHTTPLIB_RECV_BUFSIZ)); |
| if (n <= 0) { return; } |
| r += static_cast<uint64_t>(n); |
| } |
| } |
| |
| inline bool read_content_without_length(Stream &strm, |
| ContentReceiverWithProgress out) { |
| char buf[CPPHTTPLIB_RECV_BUFSIZ]; |
| uint64_t r = 0; |
| for (;;) { |
| auto n = strm.read(buf, CPPHTTPLIB_RECV_BUFSIZ); |
| if (n < 0) { |
| return false; |
| } else if (n == 0) { |
| return true; |
| } |
| |
| if (!out(buf, static_cast<size_t>(n), r, 0)) { return false; } |
| r += static_cast<uint64_t>(n); |
| } |
| |
| return true; |
| } |
| |
| template <typename T> |
| inline bool read_content_chunked(Stream &strm, T &x, |
| ContentReceiverWithProgress out) { |
| const auto bufsiz = 16; |
| char buf[bufsiz]; |
| |
| stream_line_reader line_reader(strm, buf, bufsiz); |
| |
| if (!line_reader.getline()) { return false; } |
| |
| unsigned long chunk_len; |
| while (true) { |
| char *end_ptr; |
| |
| chunk_len = std::strtoul(line_reader.ptr(), &end_ptr, 16); |
| |
| if (end_ptr == line_reader.ptr()) { return false; } |
| if (chunk_len == ULONG_MAX) { return false; } |
| |
| if (chunk_len == 0) { break; } |
| |
| if (!read_content_with_length(strm, chunk_len, nullptr, out)) { |
| return false; |
| } |
| |
| if (!line_reader.getline()) { return false; } |
| |
| if (strcmp(line_reader.ptr(), "\r\n")) { return false; } |
| |
| if (!line_reader.getline()) { return false; } |
| } |
| |
| assert(chunk_len == 0); |
| |
| // Trailer |
| if (!line_reader.getline()) { return false; } |
| |
| while (strcmp(line_reader.ptr(), "\r\n")) { |
| if (line_reader.size() > CPPHTTPLIB_HEADER_MAX_LENGTH) { return false; } |
| |
| // Exclude line terminator |
| constexpr auto line_terminator_len = 2; |
| auto end = line_reader.ptr() + line_reader.size() - line_terminator_len; |
| |
| parse_header(line_reader.ptr(), end, |
| [&](std::string &&key, std::string &&val) { |
| x.headers.emplace(std::move(key), std::move(val)); |
| }); |
| |
| if (!line_reader.getline()) { return false; } |
| } |
| |
| return true; |
| } |
| |
| inline bool is_chunked_transfer_encoding(const Headers &headers) { |
| return !strcasecmp(get_header_value(headers, "Transfer-Encoding", 0, ""), |
| "chunked"); |
| } |
| |
| template <typename T, typename U> |
| bool prepare_content_receiver(T &x, int &status, |
| ContentReceiverWithProgress receiver, |
| bool decompress, U callback) { |
| if (decompress) { |
| std::string encoding = x.get_header_value("Content-Encoding"); |
| std::unique_ptr<decompressor> decompressor; |
| |
| if (encoding == "gzip" || encoding == "deflate") { |
| #ifdef CPPHTTPLIB_ZLIB_SUPPORT |
| decompressor = detail::make_unique<gzip_decompressor>(); |
| #else |
| status = 415; |
| return false; |
| #endif |
| } else if (encoding.find("br") != std::string::npos) { |
| #ifdef CPPHTTPLIB_BROTLI_SUPPORT |
| decompressor = detail::make_unique<brotli_decompressor>(); |
| #else |
| status = 415; |
| return false; |
| #endif |
| } |
| |
| if (decompressor) { |
| if (decompressor->is_valid()) { |
| ContentReceiverWithProgress out = [&](const char *buf, size_t n, |
| uint64_t off, uint64_t len) { |
| return decompressor->decompress(buf, n, |
| [&](const char *buf2, size_t n2) { |
| return receiver(buf2, n2, off, len); |
| }); |
| }; |
| return callback(std::move(out)); |
| } else { |
| status = 500; |
| return false; |
| } |
| } |
| } |
| |
| ContentReceiverWithProgress out = [&](const char *buf, size_t n, uint64_t off, |
| uint64_t len) { |
| return receiver(buf, n, off, len); |
| }; |
| return callback(std::move(out)); |
| } |
| |
| template <typename T> |
| bool read_content(Stream &strm, T &x, size_t payload_max_length, int &status, |
| Progress progress, ContentReceiverWithProgress receiver, |
| bool decompress) { |
| return prepare_content_receiver( |
| x, status, std::move(receiver), decompress, |
| [&](const ContentReceiverWithProgress &out) { |
| auto ret = true; |
| auto exceed_payload_max_length = false; |
| |
| if (is_chunked_transfer_encoding(x.headers)) { |
| ret = read_content_chunked(strm, x, out); |
| } else if (!has_header(x.headers, "Content-Length")) { |
| ret = read_content_without_length(strm, out); |
| } else { |
| auto len = get_header_value<uint64_t>(x.headers, "Content-Length"); |
| if (len > payload_max_length) { |
| exceed_payload_max_length = true; |
| skip_content_with_length(strm, len); |
| ret = false; |
| } else if (len > 0) { |
| ret = read_content_with_length(strm, len, std::move(progress), out); |
| } |
| } |
| |
| if (!ret) { status = exceed_payload_max_length ? 413 : 400; } |
| return ret; |
| }); |
| } // namespace detail |
| |
| inline ssize_t write_headers(Stream &strm, const Headers &headers) { |
| ssize_t write_len = 0; |
| for (const auto &x : headers) { |
| auto len = |
| strm.write_format("%s: %s\r\n", x.first.c_str(), x.second.c_str()); |
| if (len < 0) { return len; } |
| write_len += len; |
| } |
| auto len = strm.write("\r\n"); |
| if (len < 0) { return len; } |
| write_len += len; |
| return write_len; |
| } |
| |
| inline bool write_data(Stream &strm, const char *d, size_t l) { |
| size_t offset = 0; |
| while (offset < l) { |
| auto length = strm.write(d + offset, l - offset); |
| if (length < 0) { return false; } |
| offset += static_cast<size_t>(length); |
| } |
| return true; |
| } |
| |
| template <typename T> |
| inline bool write_content(Stream &strm, const ContentProvider &content_provider, |
| size_t offset, size_t length, T is_shutting_down, |
| Error &error) { |
| size_t end_offset = offset + length; |
| auto ok = true; |
| DataSink data_sink; |
| |
| data_sink.write = [&](const char *d, size_t l) -> bool { |
| if (ok) { |
| if (strm.is_writable() && write_data(strm, d, l)) { |
| offset += l; |
| } else { |
| ok = false; |
| } |
| } |
| return ok; |
| }; |
| |
| while (offset < end_offset && !is_shutting_down()) { |
| if (!strm.is_writable()) { |
| error = Error::Write; |
| return false; |
| } else if (!content_provider(offset, end_offset - offset, data_sink)) { |
| error = Error::Canceled; |
| return false; |
| } else if (!ok) { |
| error = Error::Write; |
| return false; |
| } |
| } |
| |
| error = Error::Success; |
| return true; |
| } |
| |
| template <typename T> |
| inline bool write_content(Stream &strm, const ContentProvider &content_provider, |
| size_t offset, size_t length, |
| const T &is_shutting_down) { |
| auto error = Error::Success; |
| return write_content(strm, content_provider, offset, length, is_shutting_down, |
| error); |
| } |
| |
| template <typename T> |
| inline bool |
| write_content_without_length(Stream &strm, |
| const ContentProvider &content_provider, |
| const T &is_shutting_down) { |
| size_t offset = 0; |
| auto data_available = true; |
| auto ok = true; |
| DataSink data_sink; |
| |
| data_sink.write = [&](const char *d, size_t l) -> bool { |
| if (ok) { |
| offset += l; |
| if (!strm.is_writable() || !write_data(strm, d, l)) { ok = false; } |
| } |
| return ok; |
| }; |
| |
| data_sink.done = [&](void) { data_available = false; }; |
| |
| while (data_available && !is_shutting_down()) { |
| if (!strm.is_writable()) { |
| return false; |
| } else if (!content_provider(offset, 0, data_sink)) { |
| return false; |
| } else if (!ok) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| template <typename T, typename U> |
| inline bool |
| write_content_chunked(Stream &strm, const ContentProvider &content_provider, |
| const T &is_shutting_down, U &compressor, Error &error) { |
| size_t offset = 0; |
| auto data_available = true; |
| auto ok = true; |
| DataSink data_sink; |
| |
| data_sink.write = [&](const char *d, size_t l) -> bool { |
| if (ok) { |
| data_available = l > 0; |
| offset += l; |
| |
| std::string payload; |
| if (compressor.compress(d, l, false, |
| [&](const char *data, size_t data_len) { |
| payload.append(data, data_len); |
| return true; |
| })) { |
| if (!payload.empty()) { |
| // Emit chunked response header and footer for each chunk |
| auto chunk = |
| from_i_to_hex(payload.size()) + "\r\n" + payload + "\r\n"; |
| if (!strm.is_writable() || |
| !write_data(strm, chunk.data(), chunk.size())) { |
| ok = false; |
| } |
| } |
| } else { |
| ok = false; |
| } |
| } |
| return ok; |
| }; |
| |
| auto done_with_trailer = [&](const Headers *trailer) { |
| if (!ok) { return; } |
| |
| data_available = false; |
| |
| std::string payload; |
| if (!compressor.compress(nullptr, 0, true, |
| [&](const char *data, size_t data_len) { |
| payload.append(data, data_len); |
| return true; |
| })) { |
| ok = false; |
| return; |
| } |
| |
| if (!payload.empty()) { |
| // Emit chunked response header and footer for each chunk |
| auto chunk = from_i_to_hex(payload.size()) + "\r\n" + payload + "\r\n"; |
| if (!strm.is_writable() || |
| !write_data(strm, chunk.data(), chunk.size())) { |
| ok = false; |
| return; |
| } |
| } |
| |
| static const std::string done_marker("0\r\n"); |
| if (!write_data(strm, done_marker.data(), done_marker.size())) { |
| ok = false; |
| } |
| |
| // Trailer |
| if (trailer) { |
| for (const auto &kv : *trailer) { |
| std::string field_line = kv.first + ": " + kv.second + "\r\n"; |
| if (!write_data(strm, field_line.data(), field_line.size())) { |
| ok = false; |
| } |
| } |
| } |
| |
| static const std::string crlf("\r\n"); |
| if (!write_data(strm, crlf.data(), crlf.size())) { ok = false; } |
| }; |
| |
| data_sink.done = [&](void) { done_with_trailer(nullptr); }; |
| |
| data_sink.done_with_trailer = [&](const Headers &trailer) { |
| done_with_trailer(&trailer); |
| }; |
| |
| while (data_available && !is_shutting_down()) { |
| if (!strm.is_writable()) { |
| error = Error::Write; |
| return false; |
| } else if (!content_provider(offset, 0, data_sink)) { |
| error = Error::Canceled; |
| return false; |
| } else if (!ok) { |
| error = Error::Write; |
| return false; |
| } |
| } |
| |
| error = Error::Success; |
| return true; |
| } |
| |
| template <typename T, typename U> |
| inline bool write_content_chunked(Stream &strm, |
| const ContentProvider &content_provider, |
| const T &is_shutting_down, U &compressor) { |
| auto error = Error::Success; |
| return write_content_chunked(strm, content_provider, is_shutting_down, |
| compressor, error); |
| } |
| |
| template <typename T> |
| inline bool redirect(T &cli, Request &req, Response &res, |
| const std::string &path, const std::string &location, |
| Error &error) { |
| Request new_req = req; |
| new_req.path = path; |
| new_req.redirect_count_ -= 1; |
| |
| if (res.status == 303 && (req.method != "GET" && req.method != "HEAD")) { |
| new_req.method = "GET"; |
| new_req.body.clear(); |
| new_req.headers.clear(); |
| } |
| |
| Response new_res; |
| |
| auto ret = cli.send(new_req, new_res, error); |
| if (ret) { |
| req = new_req; |
| res = new_res; |
| |
| if (res.location.empty()) res.location = location; |
| } |
| return ret; |
| } |
| |
| inline std::string params_to_query_str(const Params ¶ms) { |
| std::string query; |
| |
| for (auto it = params.begin(); it != params.end(); ++it) { |
| if (it != params.begin()) { query += "&"; } |
| query += it->first; |
| query += "="; |
| query += encode_query_param(it->second); |
| } |
| return query; |
| } |
| |
| inline void parse_query_text(const std::string &s, Params ¶ms) { |
| std::set<std::string> cache; |
| split(s.data(), s.data() + s.size(), '&', [&](const char *b, const char *e) { |
| std::string kv(b, e); |
| if (cache.find(kv) != cache.end()) { return; } |
| cache.insert(kv); |
| |
| std::string key; |
| std::string val; |
| split(b, e, '=', [&](const char *b2, const char *e2) { |
| if (key.empty()) { |
| key.assign(b2, e2); |
| } else { |
| val.assign(b2, e2); |
| } |
| }); |
| |
| if (!key.empty()) { |
| params.emplace(decode_url(key, true), decode_url(val, true)); |
| } |
| }); |
| } |
| |
| inline bool parse_multipart_boundary(const std::string &content_type, |
| std::string &boundary) { |
| auto boundary_keyword = "boundary="; |
| auto pos = content_type.find(boundary_keyword); |
| if (pos == std::string::npos) { return false; } |
| auto end = content_type.find(';', pos); |
| auto beg = pos + strlen(boundary_keyword); |
| boundary = trim_double_quotes_copy(content_type.substr(beg, end - beg)); |
| return !boundary.empty(); |
| } |
| |
| inline void parse_disposition_params(const std::string &s, Params ¶ms) { |
| std::set<std::string> cache; |
| split(s.data(), s.data() + s.size(), ';', [&](const char *b, const char *e) { |
| std::string kv(b, e); |
| if (cache.find(kv) != cache.end()) { return; } |
| cache.insert(kv); |
| |
| std::string key; |
| std::string val; |
| split(b, e, '=', [&](const char *b2, const char *e2) { |
| if (key.empty()) { |
| key.assign(b2, e2); |
| } else { |
| val.assign(b2, e2); |
| } |
| }); |
| |
| if (!key.empty()) { |
| params.emplace(trim_double_quotes_copy((key)), |
| trim_double_quotes_copy((val))); |
| } |
| }); |
| } |
| |
| #ifdef CPPHTTPLIB_NO_EXCEPTIONS |
| inline bool parse_range_header(const std::string &s, Ranges &ranges) { |
| #else |
| inline bool parse_range_header(const std::string &s, Ranges &ranges) try { |
| #endif |
| static auto re_first_range = std::regex(R"(bytes=(\d*-\d*(?:,\s*\d*-\d*)*))"); |
| std::smatch m; |
| if (std::regex_match(s, m, re_first_range)) { |
| auto pos = static_cast<size_t>(m.position(1)); |
| auto len = static_cast<size_t>(m.length(1)); |
| bool all_valid_ranges = true; |
| split(&s[pos], &s[pos + len], ',', [&](const char *b, const char *e) { |
| if (!all_valid_ranges) return; |
| static auto re_another_range = std::regex(R"(\s*(\d*)-(\d*))"); |
| std::cmatch cm; |
| if (std::regex_match(b, e, cm, re_another_range)) { |
| ssize_t first = -1; |
| if (!cm.str(1).empty()) { |
| first = static_cast<ssize_t>(std::stoll(cm.str(1))); |
| } |
| |
| ssize_t last = -1; |
| if (!cm.str(2).empty()) { |
| last = static_cast<ssize_t>(std::stoll(cm.str(2))); |
| } |
| |
| if (first != -1 && last != -1 && first > last) { |
| all_valid_ranges = false; |
| return; |
| } |
| ranges.emplace_back(std::make_pair(first, last)); |
| } |
| }); |
| return all_valid_ranges; |
| } |
| return false; |
| #ifdef CPPHTTPLIB_NO_EXCEPTIONS |
| } |
| #else |
| } catch (...) { return false; } |
| #endif |
| |
| class MultipartFormDataParser { |
| public: |
| MultipartFormDataParser() = default; |
| |
| void set_boundary(std::string &&boundary) { |
| boundary_ = boundary; |
| dash_boundary_crlf_ = dash_ + boundary_ + crlf_; |
| crlf_dash_boundary_ = crlf_ + dash_ + boundary_; |
| } |
| |
| bool is_valid() const { return is_valid_; } |
| |
| bool parse(const char *buf, size_t n, const ContentReceiver &content_callback, |
| const MultipartContentHeader &header_callback) { |
| |
| buf_append(buf, n); |
| |
| while (buf_size() > 0) { |
| switch (state_) { |
| case 0: { // Initial boundary |
| buf_erase(buf_find(dash_boundary_crlf_)); |
| if (dash_boundary_crlf_.size() > buf_size()) { return true; } |
| if (!buf_start_with(dash_boundary_crlf_)) { return false; } |
| buf_erase(dash_boundary_crlf_.size()); |
| state_ = 1; |
| break; |
| } |
| case 1: { // New entry |
| clear_file_info(); |
| state_ = 2; |
| break; |
| } |
| case 2: { // Headers |
| auto pos = buf_find(crlf_); |
| if (pos > CPPHTTPLIB_HEADER_MAX_LENGTH) { return false; } |
| while (pos < buf_size()) { |
| // Empty line |
| if (pos == 0) { |
| if (!header_callback(file_)) { |
| is_valid_ = false; |
| return false; |
| } |
| buf_erase(crlf_.size()); |
| state_ = 3; |
| break; |
| } |
| |
| static const std::string header_name = "content-type:"; |
| const auto header = buf_head(pos); |
| if (start_with_case_ignore(header, header_name)) { |
| file_.content_type = trim_copy(header.substr(header_name.size())); |
| } else { |
| static const std::regex re_content_disposition( |
| R"~(^Content-Disposition:\s*form-data;\s*(.*)$)~", |
| std::regex_constants::icase); |
| |
| std::smatch m; |
| if (std::regex_match(header, m, re_content_disposition)) { |
| Params params; |
| parse_disposition_params(m[1], params); |
| |
| auto it = params.find("name"); |
| if (it != params.end()) { |
| file_.name = it->second; |
| } else { |
| is_valid_ = false; |
| return false; |
| } |
| |
| it = params.find("filename"); |
| if (it != params.end()) { file_.filename = it->second; } |
| |
| it = params.find("filename*"); |
| if (it != params.end()) { |
| // Only allow UTF-8 enconnding... |
| static const std::regex re_rfc5987_encoding( |
| R"~(^UTF-8''(.+?)$)~", std::regex_constants::icase); |
| |
| std::smatch m2; |
| if (std::regex_match(it->second, m2, re_rfc5987_encoding)) { |
| file_.filename = decode_url(m2[1], false); // override... |
| } else { |
| is_valid_ = false; |
| return false; |
| } |
| } |
| } else { |
| is_valid_ = false; |
| return false; |
| } |
| } |
| buf_erase(pos + crlf_.size()); |
| pos = buf_find(crlf_); |
| } |
| if (state_ != 3) { return true; } |
| break; |
| } |
| case 3: { // Body |
| if (crlf_dash_boundary_.size() > buf_size()) { return true; } |
| auto pos = buf_find(crlf_dash_boundary_); |
| if (pos < buf_size()) { |
| if (!content_callback(buf_data(), pos)) { |
| is_valid_ = false; |
| return false; |
| } |
| buf_erase(pos + crlf_dash_boundary_.size()); |
| state_ = 4; |
| } else { |
| auto len = buf_size() - crlf_dash_boundary_.size(); |
| if (len > 0) { |
| if (!content_callback(buf_data(), len)) { |
| is_valid_ = false; |
| return false; |
| } |
| buf_erase(len); |
| } |
| return true; |
| } |
| break; |
| } |
| case 4: { // Boundary |
| if (crlf_.size() > buf_size()) { return true; } |
| if (buf_start_with(crlf_)) { |
| buf_erase(crlf_.size()); |
| state_ = 1; |
| } else { |
| if (dash_.size() > buf_size()) { return true; } |
| if (buf_start_with(dash_)) { |
| buf_erase(dash_.size()); |
| is_valid_ = true; |
| buf_erase(buf_size()); // Remove epilogue |
| } else { |
| return true; |
| } |
| } |
| break; |
| } |
| } |
| } |
| |
| return true; |
| } |
| |
| private: |
| void clear_file_info() { |
| file_.name.clear(); |
| file_.filename.clear(); |
| file_.content_type.clear(); |
| } |
| |
| bool start_with_case_ignore(const std::string &a, |
| const std::string &b) const { |
| if (a.size() < b.size()) { return false; } |
| for (size_t i = 0; i < b.size(); i++) { |
| if (::tolower(a[i]) != ::tolower(b[i])) { return false; } |
| } |
| return true; |
| } |
| |
| const std::string dash_ = "--"; |
| const std::string crlf_ = "\r\n"; |
| std::string boundary_; |
| std::string dash_boundary_crlf_; |
| std::string crlf_dash_boundary_; |
| |
| size_t state_ = 0; |
| bool is_valid_ = false; |
| MultipartFormData file_; |
| |
| // Buffer |
| bool start_with(const std::string &a, size_t spos, size_t epos, |
| const std::string &b) const { |
| if (epos - spos < b.size()) { return false; } |
| for (size_t i = 0; i < b.size(); i++) { |
| if (a[i + spos] != b[i]) { return false; } |
| } |
| return true; |
| } |
| |
| size_t buf_size() const { return buf_epos_ - buf_spos_; } |
| |
| const char *buf_data() const { return &buf_[buf_spos_]; } |
| |
| std::string buf_head(size_t l) const { return buf_.substr(buf_spos_, l); } |
| |
| bool buf_start_with(const std::string &s) const { |
| return start_with(buf_, buf_spos_, buf_epos_, s); |
| } |
| |
| size_t buf_find(const std::string &s) const { |
| auto c = s.front(); |
| |
| size_t off = buf_spos_; |
| while (off < buf_epos_) { |
| auto pos = off; |
| while (true) { |
| if (pos == buf_epos_) { return buf_size(); } |
| if (buf_[pos] == c) { break; } |
| pos++; |
| } |
| |
| auto remaining_size = buf_epos_ - pos; |
| if (s.size() > remaining_size) { return buf_size(); } |
| |
| if (start_with(buf_, pos, buf_epos_, s)) { return pos - buf_spos_; } |
| |
| off = pos + 1; |
| } |
| |
| return buf_size(); |
| } |
| |
| void buf_append(const char *data, size_t n) { |
| auto remaining_size = buf_size(); |
| if (remaining_size > 0 && buf_spos_ > 0) { |
| for (size_t i = 0; i < remaining_size; i++) { |
| buf_[i] = buf_[buf_spos_ + i]; |
| } |
| } |
| buf_spos_ = 0; |
| buf_epos_ = remaining_size; |
| |
| if (remaining_size + n > buf_.size()) { buf_.resize(remaining_size + n); } |
| |
| for (size_t i = 0; i < n; i++) { |
| buf_[buf_epos_ + i] = data[i]; |
| } |
| buf_epos_ += n; |
| } |
| |
| void buf_erase(size_t size) { buf_spos_ += size; } |
| |
| std::string buf_; |
| size_t buf_spos_ = 0; |
| size_t buf_epos_ = 0; |
| }; |
| |
| inline std::string to_lower(const char *beg, const char *end) { |
| std::string out; |
| auto it = beg; |
| while (it != end) { |
| out += static_cast<char>(::tolower(*it)); |
| it++; |
| } |
| return out; |
| } |
| |
| inline std::string make_multipart_data_boundary() { |
| static const char data[] = |
| "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; |
| |
| // std::random_device might actually be deterministic on some |
| // platforms, but due to lack of support in the c++ standard library, |
| // doing better requires either some ugly hacks or breaking portability. |
| std::random_device seed_gen; |
| |
| // Request 128 bits of entropy for initialization |
| std::seed_seq seed_sequence{seed_gen(), seed_gen(), seed_gen(), seed_gen()}; |
| std::mt19937 engine(seed_sequence); |
| |
| std::string result = "--cpp-httplib-multipart-data-"; |
| |
| for (auto i = 0; i < 16; i++) { |
| result += data[engine() % (sizeof(data) - 1)]; |
| } |
| |
| return result; |
| } |
| |
| inline bool is_multipart_boundary_chars_valid(const std::string &boundary) { |
| auto valid = true; |
| for (size_t i = 0; i < boundary.size(); i++) { |
| auto c = boundary[i]; |
| if (!std::isalnum(c) && c != '-' && c != '_') { |
| valid = false; |
| break; |
| } |
| } |
| return valid; |
| } |
| |
| template <typename T> |
| inline std::string |
| serialize_multipart_formdata_item_begin(const T &item, |
| const std::string &boundary) { |
| std::string body = "--" + boundary + "\r\n"; |
| body += "Content-Disposition: form-data; name=\"" + item.name + "\""; |
| if (!item.filename.empty()) { |
| body += "; filename=\"" + item.filename + "\""; |
| } |
| body += "\r\n"; |
| if (!item.content_type.empty()) { |
| body += "Content-Type: " + item.content_type + "\r\n"; |
| } |
| body += "\r\n"; |
| |
| return body; |
| } |
| |
| inline std::string serialize_multipart_formdata_item_end() { return "\r\n"; } |
| |
| inline std::string |
| serialize_multipart_formdata_finish(const std::string &boundary) { |
| return "--" + boundary + "--\r\n"; |
| } |
| |
| inline std::string |
| serialize_multipart_formdata_get_content_type(const std::string &boundary) { |
| return "multipart/form-data; boundary=" + boundary; |
| } |
| |
| inline std::string |
| serialize_multipart_formdata(const MultipartFormDataItems &items, |
| const std::string &boundary, bool finish = true) { |
| std::string body; |
| |
| for (const auto &item : items) { |
| body += serialize_multipart_formdata_item_begin(item, boundary); |
| body += item.content + serialize_multipart_formdata_item_end(); |
| } |
| |
| if (finish) body += serialize_multipart_formdata_finish(boundary); |
| |
| return body; |
| } |
| |
| inline std::pair<size_t, size_t> |
| get_range_offset_and_length(const Request &req, size_t content_length, |
| size_t index) { |
| auto r = req.ranges[index]; |
| |
| if (r.first == -1 && r.second == -1) { |
| return std::make_pair(0, content_length); |
| } |
| |
| auto slen = static_cast<ssize_t>(content_length); |
| |
| if (r.first == -1) { |
| r.first = (std::max)(static_cast<ssize_t>(0), slen - r.second); |
| r.second = slen - 1; |
| } |
| |
| if (r.second == -1) { r.second = slen - 1; } |
| return std::make_pair(r.first, static_cast<size_t>(r.second - r.first) + 1); |
| } |
| |
| inline std::string make_content_range_header_field(size_t offset, size_t length, |
| size_t content_length) { |
| std::string field = "bytes "; |
| field += std::to_string(offset); |
| field += "-"; |
| field += std::to_string(offset + length - 1); |
| field += "/"; |
| field += std::to_string(content_length); |
| return field; |
| } |
| |
| template <typename SToken, typename CToken, typename Content> |
| bool process_multipart_ranges_data(const Request &req, Response &res, |
| const std::string &boundary, |
| const std::string &content_type, |
| SToken stoken, CToken ctoken, |
| Content content) { |
| for (size_t i = 0; i < req.ranges.size(); i++) { |
| ctoken("--"); |
| stoken(boundary); |
| ctoken("\r\n"); |
| if (!content_type.empty()) { |
| ctoken("Content-Type: "); |
| stoken(content_type); |
| ctoken("\r\n"); |
| } |
| |
| auto offsets = get_range_offset_and_length(req, res.body.size(), i); |
| auto offset = offsets.first; |
| auto length = offsets.second; |
| |
| ctoken("Content-Range: "); |
| stoken(make_content_range_header_field(offset, length, res.body.size())); |
| ctoken("\r\n"); |
| ctoken("\r\n"); |
| if (!content(offset, length)) { return false; } |
| ctoken("\r\n"); |
| } |
| |
| ctoken("--"); |
| stoken(boundary); |
| ctoken("--\r\n"); |
| |
| return true; |
| } |
| |
| inline bool make_multipart_ranges_data(const Request &req, Response &res, |
| const std::string &boundary, |
| const std::string &content_type, |
| std::string &data) { |
| return process_multipart_ranges_data( |
| req, res, boundary, content_type, |
| [&](const std::string &token) { data += token; }, |
| [&](const std::string &token) { data += token; }, |
| [&](size_t offset, size_t length) { |
| if (offset < res.body.size()) { |
| data += res.body.substr(offset, length); |
| return true; |
| } |
| return false; |
| }); |
| } |
| |
| inline size_t |
| get_multipart_ranges_data_length(const Request &req, Response &res, |
| const std::string &boundary, |
| const std::string &content_type) { |
| size_t data_length = 0; |
| |
| process_multipart_ranges_data( |
| req, res, boundary, content_type, |
| [&](const std::string &token) { data_length += token.size(); }, |
| [&](const std::string &token) { data_length += token.size(); }, |
| [&](size_t /*offset*/, size_t length) { |
| data_length += length; |
| return true; |
| }); |
| |
| return data_length; |
| } |
| |
| template <typename T> |
| inline bool write_multipart_ranges_data(Stream &strm, const Request &req, |
| Response &res, |
| const std::string &boundary, |
| const std::string &content_type, |
| const T &is_shutting_down) { |
| return process_multipart_ranges_data( |
| req, res, boundary, content_type, |
| [&](const std::string &token) { strm.write(token); }, |
| [&](const std::string &token) { strm.write(token); }, |
| [&](size_t offset, size_t length) { |
| return write_content(strm, res.content_provider_, offset, length, |
| is_shutting_down); |
| }); |
| } |
| |
| inline std::pair<size_t, size_t> |
| get_range_offset_and_length(const Request &req, const Response &res, |
| size_t index) { |
| auto r = req.ranges[index]; |
| |
| if (r.second == -1) { |
| r.second = static_cast<ssize_t>(res.content_length_) - 1; |
| } |
| |
| return std::make_pair(r.first, r.second - r.first + 1); |
| } |
| |
| inline bool expect_content(const Request &req) { |
| if (req.method == "POST" || req.method == "PUT" || req.method == "PATCH" || |
| req.method == "PRI" || req.method == "DELETE") { |
| return true; |
| } |
| // TODO: check if Content-Length is set |
| return false; |
| } |
| |
| inline bool has_crlf(const std::string &s) { |
| auto p = s.c_str(); |
| while (*p) { |
| if (*p == '\r' || *p == '\n') { return true; } |
| p++; |
| } |
| return false; |
| } |
| |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| inline std::string message_digest(const std::string &s, const EVP_MD *algo) { |
| auto context = std::unique_ptr<EVP_MD_CTX, decltype(&EVP_MD_CTX_free)>( |
| EVP_MD_CTX_new(), EVP_MD_CTX_free); |
| |
| unsigned int hash_length = 0; |
| unsigned char hash[EVP_MAX_MD_SIZE]; |
| |
| EVP_DigestInit_ex(context.get(), algo, nullptr); |
| EVP_DigestUpdate(context.get(), s.c_str(), s.size()); |
| EVP_DigestFinal_ex(context.get(), hash, &hash_length); |
| |
| std::stringstream ss; |
| for (auto i = 0u; i < hash_length; ++i) { |
| ss << std::hex << std::setw(2) << std::setfill('0') |
| << static_cast<unsigned int>(hash[i]); |
| } |
| |
| return ss.str(); |
| } |
| |
| inline std::string MD5(const std::string &s) { |
| return message_digest(s, EVP_md5()); |
| } |
| |
| inline std::string SHA_256(const std::string &s) { |
| return message_digest(s, EVP_sha256()); |
| } |
| |
| inline std::string SHA_512(const std::string &s) { |
| return message_digest(s, EVP_sha512()); |
| } |
| #endif |
| |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| #ifdef _WIN32 |
| // NOTE: This code came up with the following stackoverflow post: |
| // https://stackoverflow.com/questions/9507184/can-openssl-on-windows-use-the-system-certificate-store |
| inline bool load_system_certs_on_windows(X509_STORE *store) { |
| auto hStore = CertOpenSystemStoreW((HCRYPTPROV_LEGACY)NULL, L"ROOT"); |
| if (!hStore) { return false; } |
| |
| auto result = false; |
| PCCERT_CONTEXT pContext = NULL; |
| while ((pContext = CertEnumCertificatesInStore(hStore, pContext)) != |
| nullptr) { |
| auto encoded_cert = |
| static_cast<const unsigned char *>(pContext->pbCertEncoded); |
| |
| auto x509 = d2i_X509(NULL, &encoded_cert, pContext->cbCertEncoded); |
| if (x509) { |
| X509_STORE_add_cert(store, x509); |
| X509_free(x509); |
| result = true; |
| } |
| } |
| |
| CertFreeCertificateContext(pContext); |
| CertCloseStore(hStore, 0); |
| |
| return result; |
| } |
| #elif defined(CPPHTTPLIB_USE_CERTS_FROM_MACOSX_KEYCHAIN) && defined(__APPLE__) |
| #if TARGET_OS_OSX |
| template <typename T> |
| using CFObjectPtr = |
| std::unique_ptr<typename std::remove_pointer<T>::type, void (*)(CFTypeRef)>; |
| |
| inline void cf_object_ptr_deleter(CFTypeRef obj) { |
| if (obj) { CFRelease(obj); } |
| } |
| |
| inline bool retrieve_certs_from_keychain(CFObjectPtr<CFArrayRef> &certs) { |
| CFStringRef keys[] = {kSecClass, kSecMatchLimit, kSecReturnRef}; |
| CFTypeRef values[] = {kSecClassCertificate, kSecMatchLimitAll, |
| kCFBooleanTrue}; |
| |
| CFObjectPtr<CFDictionaryRef> query( |
| CFDictionaryCreate(nullptr, reinterpret_cast<const void **>(keys), values, |
| sizeof(keys) / sizeof(keys[0]), |
| &kCFTypeDictionaryKeyCallBacks, |
| &kCFTypeDictionaryValueCallBacks), |
| cf_object_ptr_deleter); |
| |
| if (!query) { return false; } |
| |
| CFTypeRef security_items = nullptr; |
| if (SecItemCopyMatching(query.get(), &security_items) != errSecSuccess || |
| CFArrayGetTypeID() != CFGetTypeID(security_items)) { |
| return false; |
| } |
| |
| certs.reset(reinterpret_cast<CFArrayRef>(security_items)); |
| return true; |
| } |
| |
| inline bool retrieve_root_certs_from_keychain(CFObjectPtr<CFArrayRef> &certs) { |
| CFArrayRef root_security_items = nullptr; |
| if (SecTrustCopyAnchorCertificates(&root_security_items) != errSecSuccess) { |
| return false; |
| } |
| |
| certs.reset(root_security_items); |
| return true; |
| } |
| |
| inline bool add_certs_to_x509_store(CFArrayRef certs, X509_STORE *store) { |
| auto result = false; |
| for (auto i = 0; i < CFArrayGetCount(certs); ++i) { |
| const auto cert = reinterpret_cast<const __SecCertificate *>( |
| CFArrayGetValueAtIndex(certs, i)); |
| |
| if (SecCertificateGetTypeID() != CFGetTypeID(cert)) { continue; } |
| |
| CFDataRef cert_data = nullptr; |
| if (SecItemExport(cert, kSecFormatX509Cert, 0, nullptr, &cert_data) != |
| errSecSuccess) { |
| continue; |
| } |
| |
| CFObjectPtr<CFDataRef> cert_data_ptr(cert_data, cf_object_ptr_deleter); |
| |
| auto encoded_cert = static_cast<const unsigned char *>( |
| CFDataGetBytePtr(cert_data_ptr.get())); |
| |
| auto x509 = |
| d2i_X509(NULL, &encoded_cert, CFDataGetLength(cert_data_ptr.get())); |
| |
| if (x509) { |
| X509_STORE_add_cert(store, x509); |
| X509_free(x509); |
| result = true; |
| } |
| } |
| |
| return result; |
| } |
| |
| inline bool load_system_certs_on_macos(X509_STORE *store) { |
| auto result = false; |
| CFObjectPtr<CFArrayRef> certs(nullptr, cf_object_ptr_deleter); |
| if (retrieve_certs_from_keychain(certs) && certs) { |
| result = add_certs_to_x509_store(certs.get(), store); |
| } |
| |
| if (retrieve_root_certs_from_keychain(certs) && certs) { |
| result = add_certs_to_x509_store(certs.get(), store) || result; |
| } |
| |
| return result; |
| } |
| #endif // TARGET_OS_OSX |
| #endif // _WIN32 |
| #endif // CPPHTTPLIB_OPENSSL_SUPPORT |
| |
| #ifdef _WIN32 |
| class WSInit { |
| public: |
| WSInit() { |
| WSADATA wsaData; |
| if (WSAStartup(0x0002, &wsaData) == 0) is_valid_ = true; |
| } |
| |
| ~WSInit() { |
| if (is_valid_) WSACleanup(); |
| } |
| |
| bool is_valid_ = false; |
| }; |
| |
| static WSInit wsinit_; |
| #endif |
| |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| inline std::pair<std::string, std::string> make_digest_authentication_header( |
| const Request &req, const std::map<std::string, std::string> &auth, |
| size_t cnonce_count, const std::string &cnonce, const std::string &username, |
| const std::string &password, bool is_proxy = false) { |
| std::string nc; |
| { |
| std::stringstream ss; |
| ss << std::setfill('0') << std::setw(8) << std::hex << cnonce_count; |
| nc = ss.str(); |
| } |
| |
| std::string qop; |
| if (auth.find("qop") != auth.end()) { |
| qop = auth.at("qop"); |
| if (qop.find("auth-int") != std::string::npos) { |
| qop = "auth-int"; |
| } else if (qop.find("auth") != std::string::npos) { |
| qop = "auth"; |
| } else { |
| qop.clear(); |
| } |
| } |
| |
| std::string algo = "MD5"; |
| if (auth.find("algorithm") != auth.end()) { algo = auth.at("algorithm"); } |
| |
| std::string response; |
| { |
| auto H = algo == "SHA-256" ? detail::SHA_256 |
| : algo == "SHA-512" ? detail::SHA_512 |
| : detail::MD5; |
| |
| auto A1 = username + ":" + auth.at("realm") + ":" + password; |
| |
| auto A2 = req.method + ":" + req.path; |
| if (qop == "auth-int") { A2 += ":" + H(req.body); } |
| |
| if (qop.empty()) { |
| response = H(H(A1) + ":" + auth.at("nonce") + ":" + H(A2)); |
| } else { |
| response = H(H(A1) + ":" + auth.at("nonce") + ":" + nc + ":" + cnonce + |
| ":" + qop + ":" + H(A2)); |
| } |
| } |
| |
| auto opaque = (auth.find("opaque") != auth.end()) ? auth.at("opaque") : ""; |
| |
| auto field = "Digest username=\"" + username + "\", realm=\"" + |
| auth.at("realm") + "\", nonce=\"" + auth.at("nonce") + |
| "\", uri=\"" + req.path + "\", algorithm=" + algo + |
| (qop.empty() ? ", response=\"" |
| : ", qop=" + qop + ", nc=" + nc + ", cnonce=\"" + |
| cnonce + "\", response=\"") + |
| response + "\"" + |
| (opaque.empty() ? "" : ", opaque=\"" + opaque + "\""); |
| |
| auto key = is_proxy ? "Proxy-Authorization" : "Authorization"; |
| return std::make_pair(key, field); |
| } |
| #endif |
| |
| inline bool parse_www_authenticate(const Response &res, |
| std::map<std::string, std::string> &auth, |
| bool is_proxy) { |
| auto auth_key = is_proxy ? "Proxy-Authenticate" : "WWW-Authenticate"; |
| if (res.has_header(auth_key)) { |
| static auto re = std::regex(R"~((?:(?:,\s*)?(.+?)=(?:"(.*?)"|([^,]*))))~"); |
| auto s = res.get_header_value(auth_key); |
| auto pos = s.find(' '); |
| if (pos != std::string::npos) { |
| auto type = s.substr(0, pos); |
| if (type == "Basic") { |
| return false; |
| } else if (type == "Digest") { |
| s = s.substr(pos + 1); |
| auto beg = std::sregex_iterator(s.begin(), s.end(), re); |
| for (auto i = beg; i != std::sregex_iterator(); ++i) { |
| auto m = *i; |
| auto key = s.substr(static_cast<size_t>(m.position(1)), |
| static_cast<size_t>(m.length(1))); |
| auto val = m.length(2) > 0 |
| ? s.substr(static_cast<size_t>(m.position(2)), |
| static_cast<size_t>(m.length(2))) |
| : s.substr(static_cast<size_t>(m.position(3)), |
| static_cast<size_t>(m.length(3))); |
| auth[key] = val; |
| } |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| |
| // https://stackoverflow.com/questions/440133/how-do-i-create-a-random-alpha-numeric-string-in-c/440240#answer-440240 |
| inline std::string random_string(size_t length) { |
| auto randchar = []() -> char { |
| const char charset[] = "0123456789" |
| "ABCDEFGHIJKLMNOPQRSTUVWXYZ" |
| "abcdefghijklmnopqrstuvwxyz"; |
| const size_t max_index = (sizeof(charset) - 1); |
| return charset[static_cast<size_t>(std::rand()) % max_index]; |
| }; |
| std::string str(length, 0); |
| std::generate_n(str.begin(), length, randchar); |
| return str; |
| } |
| |
| class ContentProviderAdapter { |
| public: |
| explicit ContentProviderAdapter( |
| ContentProviderWithoutLength &&content_provider) |
| : content_provider_(content_provider) {} |
| |
| bool operator()(size_t offset, size_t, DataSink &sink) { |
| return content_provider_(offset, sink); |
| } |
| |
| private: |
| ContentProviderWithoutLength content_provider_; |
| }; |
| |
| } // namespace detail |
| |
| inline std::string hosted_at(const std::string &hostname) { |
| std::vector<std::string> addrs; |
| hosted_at(hostname, addrs); |
| if (addrs.empty()) { return std::string(); } |
| return addrs[0]; |
| } |
| |
| inline void hosted_at(const std::string &hostname, |
| std::vector<std::string> &addrs) { |
| struct addrinfo hints; |
| struct addrinfo *result; |
| |
| memset(&hints, 0, sizeof(struct addrinfo)); |
| hints.ai_family = AF_UNSPEC; |
| hints.ai_socktype = SOCK_STREAM; |
| hints.ai_protocol = 0; |
| |
| if (getaddrinfo(hostname.c_str(), nullptr, &hints, &result)) { |
| #if defined __linux__ && !defined __ANDROID__ |
| res_init(); |
| #endif |
| return; |
| } |
| |
| for (auto rp = result; rp; rp = rp->ai_next) { |
| const auto &addr = |
| *reinterpret_cast<struct sockaddr_storage *>(rp->ai_addr); |
| std::string ip; |
| auto dummy = -1; |
| if (detail::get_ip_and_port(addr, sizeof(struct sockaddr_storage), ip, |
| dummy)) { |
| addrs.push_back(ip); |
| } |
| } |
| |
| freeaddrinfo(result); |
| } |
| |
| inline std::string append_query_params(const std::string &path, |
| const Params ¶ms) { |
| std::string path_with_query = path; |
| const static std::regex re("[^?]+\\?.*"); |
| auto delm = std::regex_match(path, re) ? '&' : '?'; |
| path_with_query += delm + detail::params_to_query_str(params); |
| return path_with_query; |
| } |
| |
| // Header utilities |
| inline std::pair<std::string, std::string> make_range_header(Ranges ranges) { |
| std::string field = "bytes="; |
| auto i = 0; |
| for (auto r : ranges) { |
| if (i != 0) { field += ", "; } |
| if (r.first != -1) { field += std::to_string(r.first); } |
| field += '-'; |
| if (r.second != -1) { field += std::to_string(r.second); } |
| i++; |
| } |
| return std::make_pair("Range", std::move(field)); |
| } |
| |
| inline std::pair<std::string, std::string> |
| make_basic_authentication_header(const std::string &username, |
| const std::string &password, bool is_proxy) { |
| auto field = "Basic " + detail::base64_encode(username + ":" + password); |
| auto key = is_proxy ? "Proxy-Authorization" : "Authorization"; |
| return std::make_pair(key, std::move(field)); |
| } |
| |
| inline std::pair<std::string, std::string> |
| make_bearer_token_authentication_header(const std::string &token, |
| bool is_proxy = false) { |
| auto field = "Bearer " + token; |
| auto key = is_proxy ? "Proxy-Authorization" : "Authorization"; |
| return std::make_pair(key, std::move(field)); |
| } |
| |
| // Request implementation |
| inline bool Request::has_header(const std::string &key) const { |
| return detail::has_header(headers, key); |
| } |
| |
| inline std::string Request::get_header_value(const std::string &key, |
| size_t id) const { |
| return detail::get_header_value(headers, key, id, ""); |
| } |
| |
| inline size_t Request::get_header_value_count(const std::string &key) const { |
| auto r = headers.equal_range(key); |
| return static_cast<size_t>(std::distance(r.first, r.second)); |
| } |
| |
| inline void Request::set_header(const std::string &key, |
| const std::string &val) { |
| if (!detail::has_crlf(key) && !detail::has_crlf(val)) { |
| headers.emplace(key, val); |
| } |
| } |
| |
| inline bool Request::has_param(const std::string &key) const { |
| return params.find(key) != params.end(); |
| } |
| |
| inline std::string Request::get_param_value(const std::string &key, |
| size_t id) const { |
| auto rng = params.equal_range(key); |
| auto it = rng.first; |
| std::advance(it, static_cast<ssize_t>(id)); |
| if (it != rng.second) { return it->second; } |
| return std::string(); |
| } |
| |
| inline size_t Request::get_param_value_count(const std::string &key) const { |
| auto r = params.equal_range(key); |
| return static_cast<size_t>(std::distance(r.first, r.second)); |
| } |
| |
| inline bool Request::is_multipart_form_data() const { |
| const auto &content_type = get_header_value("Content-Type"); |
| return !content_type.rfind("multipart/form-data", 0); |
| } |
| |
| inline bool Request::has_file(const std::string &key) const { |
| return files.find(key) != files.end(); |
| } |
| |
| inline MultipartFormData Request::get_file_value(const std::string &key) const { |
| auto it = files.find(key); |
| if (it != files.end()) { return it->second; } |
| return MultipartFormData(); |
| } |
| |
| inline std::vector<MultipartFormData> |
| Request::get_file_values(const std::string &key) const { |
| std::vector<MultipartFormData> values; |
| auto rng = files.equal_range(key); |
| for (auto it = rng.first; it != rng.second; it++) { |
| values.push_back(it->second); |
| } |
| return values; |
| } |
| |
| // Response implementation |
| inline bool Response::has_header(const std::string &key) const { |
| return headers.find(key) != headers.end(); |
| } |
| |
| inline std::string Response::get_header_value(const std::string &key, |
| size_t id) const { |
| return detail::get_header_value(headers, key, id, ""); |
| } |
| |
| inline size_t Response::get_header_value_count(const std::string &key) const { |
| auto r = headers.equal_range(key); |
| return static_cast<size_t>(std::distance(r.first, r.second)); |
| } |
| |
| inline void Response::set_header(const std::string &key, |
| const std::string &val) { |
| if (!detail::has_crlf(key) && !detail::has_crlf(val)) { |
| headers.emplace(key, val); |
| } |
| } |
| |
| inline void Response::set_redirect(const std::string &url, int stat) { |
| if (!detail::has_crlf(url)) { |
| set_header("Location", url); |
| if (300 <= stat && stat < 400) { |
| this->status = stat; |
| } else { |
| this->status = 302; |
| } |
| } |
| } |
| |
| inline void Response::set_content(const char *s, size_t n, |
| const std::string &content_type) { |
| body.assign(s, n); |
| |
| auto rng = headers.equal_range("Content-Type"); |
| headers.erase(rng.first, rng.second); |
| set_header("Content-Type", content_type); |
| } |
| |
| inline void Response::set_content(const std::string &s, |
| const std::string &content_type) { |
| set_content(s.data(), s.size(), content_type); |
| } |
| |
| inline void Response::set_content_provider( |
| size_t in_length, const std::string &content_type, ContentProvider provider, |
| ContentProviderResourceReleaser resource_releaser) { |
| set_header("Content-Type", content_type); |
| content_length_ = in_length; |
| if (in_length > 0) { content_provider_ = std::move(provider); } |
| content_provider_resource_releaser_ = resource_releaser; |
| is_chunked_content_provider_ = false; |
| } |
| |
| inline void Response::set_content_provider( |
| const std::string &content_type, ContentProviderWithoutLength provider, |
| ContentProviderResourceReleaser resource_releaser) { |
| set_header("Content-Type", content_type); |
| content_length_ = 0; |
| content_provider_ = detail::ContentProviderAdapter(std::move(provider)); |
| content_provider_resource_releaser_ = resource_releaser; |
| is_chunked_content_provider_ = false; |
| } |
| |
| inline void Response::set_chunked_content_provider( |
| const std::string &content_type, ContentProviderWithoutLength provider, |
| ContentProviderResourceReleaser resource_releaser) { |
| set_header("Content-Type", content_type); |
| content_length_ = 0; |
| content_provider_ = detail::ContentProviderAdapter(std::move(provider)); |
| content_provider_resource_releaser_ = resource_releaser; |
| is_chunked_content_provider_ = true; |
| } |
| |
| // Result implementation |
| inline bool Result::has_request_header(const std::string &key) const { |
| return request_headers_.find(key) != request_headers_.end(); |
| } |
| |
| inline std::string Result::get_request_header_value(const std::string &key, |
| size_t id) const { |
| return detail::get_header_value(request_headers_, key, id, ""); |
| } |
| |
| inline size_t |
| Result::get_request_header_value_count(const std::string &key) const { |
| auto r = request_headers_.equal_range(key); |
| return static_cast<size_t>(std::distance(r.first, r.second)); |
| } |
| |
| // Stream implementation |
| inline ssize_t Stream::write(const char *ptr) { |
| return write(ptr, strlen(ptr)); |
| } |
| |
| inline ssize_t Stream::write(const std::string &s) { |
| return write(s.data(), s.size()); |
| } |
| |
| namespace detail { |
| |
| // Socket stream implementation |
| inline SocketStream::SocketStream(socket_t sock, time_t read_timeout_sec, |
| time_t read_timeout_usec, |
| time_t write_timeout_sec, |
| time_t write_timeout_usec) |
| : sock_(sock), read_timeout_sec_(read_timeout_sec), |
| read_timeout_usec_(read_timeout_usec), |
| write_timeout_sec_(write_timeout_sec), |
| write_timeout_usec_(write_timeout_usec), read_buff_(read_buff_size_, 0) {} |
| |
| inline SocketStream::~SocketStream() {} |
| |
| inline bool SocketStream::is_readable() const { |
| return select_read(sock_, read_timeout_sec_, read_timeout_usec_) > 0; |
| } |
| |
| inline bool SocketStream::is_writable() const { |
| return select_write(sock_, write_timeout_sec_, write_timeout_usec_) > 0 && |
| is_socket_alive(sock_); |
| } |
| |
| inline ssize_t SocketStream::read(char *ptr, size_t size) { |
| #ifdef _WIN32 |
| size = |
| (std::min)(size, static_cast<size_t>((std::numeric_limits<int>::max)())); |
| #else |
| size = (std::min)(size, |
| static_cast<size_t>((std::numeric_limits<ssize_t>::max)())); |
| #endif |
| |
| if (read_buff_off_ < read_buff_content_size_) { |
| auto remaining_size = read_buff_content_size_ - read_buff_off_; |
| if (size <= remaining_size) { |
| memcpy(ptr, read_buff_.data() + read_buff_off_, size); |
| read_buff_off_ += size; |
| return static_cast<ssize_t>(size); |
| } else { |
| memcpy(ptr, read_buff_.data() + read_buff_off_, remaining_size); |
| read_buff_off_ += remaining_size; |
| return static_cast<ssize_t>(remaining_size); |
| } |
| } |
| |
| if (!is_readable()) { return -1; } |
| |
| read_buff_off_ = 0; |
| read_buff_content_size_ = 0; |
| |
| if (size < read_buff_size_) { |
| auto n = read_socket(sock_, read_buff_.data(), read_buff_size_, |
| CPPHTTPLIB_RECV_FLAGS); |
| if (n <= 0) { |
| return n; |
| } else if (n <= static_cast<ssize_t>(size)) { |
| memcpy(ptr, read_buff_.data(), static_cast<size_t>(n)); |
| return n; |
| } else { |
| memcpy(ptr, read_buff_.data(), size); |
| read_buff_off_ = size; |
| read_buff_content_size_ = static_cast<size_t>(n); |
| return static_cast<ssize_t>(size); |
| } |
| } else { |
| return read_socket(sock_, ptr, size, CPPHTTPLIB_RECV_FLAGS); |
| } |
| } |
| |
| inline ssize_t SocketStream::write(const char *ptr, size_t size) { |
| if (!is_writable()) { return -1; } |
| |
| #if defined(_WIN32) && !defined(_WIN64) |
| size = |
| (std::min)(size, static_cast<size_t>((std::numeric_limits<int>::max)())); |
| #endif |
| |
| return send_socket(sock_, ptr, size, CPPHTTPLIB_SEND_FLAGS); |
| } |
| |
| inline void SocketStream::get_remote_ip_and_port(std::string &ip, |
| int &port) const { |
| return detail::get_remote_ip_and_port(sock_, ip, port); |
| } |
| |
| inline void SocketStream::get_local_ip_and_port(std::string &ip, |
| int &port) const { |
| return detail::get_local_ip_and_port(sock_, ip, port); |
| } |
| |
| inline socket_t SocketStream::socket() const { return sock_; } |
| |
| // Buffer stream implementation |
| inline bool BufferStream::is_readable() const { return true; } |
| |
| inline bool BufferStream::is_writable() const { return true; } |
| |
| inline ssize_t BufferStream::read(char *ptr, size_t size) { |
| #if defined(_MSC_VER) && _MSC_VER < 1910 |
| auto len_read = buffer._Copy_s(ptr, size, size, position); |
| #else |
| auto len_read = buffer.copy(ptr, size, position); |
| #endif |
| position += static_cast<size_t>(len_read); |
| return static_cast<ssize_t>(len_read); |
| } |
| |
| inline ssize_t BufferStream::write(const char *ptr, size_t size) { |
| buffer.append(ptr, size); |
| return static_cast<ssize_t>(size); |
| } |
| |
| inline void BufferStream::get_remote_ip_and_port(std::string & /*ip*/, |
| int & /*port*/) const {} |
| |
| inline void BufferStream::get_local_ip_and_port(std::string & /*ip*/, |
| int & /*port*/) const {} |
| |
| inline socket_t BufferStream::socket() const { return 0; } |
| |
| inline const std::string &BufferStream::get_buffer() const { return buffer; } |
| |
| inline PathParamsMatcher::PathParamsMatcher(const std::string &pattern) { |
| // One past the last ending position of a path param substring |
| std::size_t last_param_end = 0; |
| |
| #ifndef CPPHTTPLIB_NO_EXCEPTIONS |
| // Needed to ensure that parameter names are unique during matcher |
| // construction |
| // If exceptions are disabled, only last duplicate path |
| // parameter will be set |
| std::unordered_set<std::string> param_name_set; |
| #endif |
| |
| while (true) { |
| const auto marker_pos = pattern.find(marker, last_param_end); |
| if (marker_pos == std::string::npos) { break; } |
| |
| static_fragments_.push_back( |
| pattern.substr(last_param_end, marker_pos - last_param_end)); |
| |
| const auto param_name_start = marker_pos + 1; |
| |
| auto sep_pos = pattern.find(separator, param_name_start); |
| if (sep_pos == std::string::npos) { sep_pos = pattern.length(); } |
| |
| auto param_name = |
| pattern.substr(param_name_start, sep_pos - param_name_start); |
| |
| #ifndef CPPHTTPLIB_NO_EXCEPTIONS |
| if (param_name_set.find(param_name) != param_name_set.cend()) { |
| std::string msg = "Encountered path parameter '" + param_name + |
| "' multiple times in route pattern '" + pattern + "'."; |
| throw std::invalid_argument(msg); |
| } |
| #endif |
| |
| param_names_.push_back(std::move(param_name)); |
| |
| last_param_end = sep_pos + 1; |
| } |
| |
| if (last_param_end < pattern.length()) { |
| static_fragments_.push_back(pattern.substr(last_param_end)); |
| } |
| } |
| |
| inline bool PathParamsMatcher::match(Request &request) const { |
| request.matches = std::smatch(); |
| request.path_params.clear(); |
| request.path_params.reserve(param_names_.size()); |
| |
| // One past the position at which the path matched the pattern last time |
| std::size_t starting_pos = 0; |
| for (size_t i = 0; i < static_fragments_.size(); ++i) { |
| const auto &fragment = static_fragments_[i]; |
| |
| if (starting_pos + fragment.length() > request.path.length()) { |
| return false; |
| } |
| |
| // Avoid unnecessary allocation by using strncmp instead of substr + |
| // comparison |
| if (std::strncmp(request.path.c_str() + starting_pos, fragment.c_str(), |
| fragment.length()) != 0) { |
| return false; |
| } |
| |
| starting_pos += fragment.length(); |
| |
| // Should only happen when we have a static fragment after a param |
| // Example: '/users/:id/subscriptions' |
| // The 'subscriptions' fragment here does not have a corresponding param |
| if (i >= param_names_.size()) { continue; } |
| |
| auto sep_pos = request.path.find(separator, starting_pos); |
| if (sep_pos == std::string::npos) { sep_pos = request.path.length(); } |
| |
| const auto ¶m_name = param_names_[i]; |
| |
| request.path_params.emplace( |
| param_name, request.path.substr(starting_pos, sep_pos - starting_pos)); |
| |
| // Mark everythin up to '/' as matched |
| starting_pos = sep_pos + 1; |
| } |
| // Returns false if the path is longer than the pattern |
| return starting_pos >= request.path.length(); |
| } |
| |
| inline bool RegexMatcher::match(Request &request) const { |
| request.path_params.clear(); |
| return std::regex_match(request.path, request.matches, regex_); |
| } |
| |
| } // namespace detail |
| |
| // HTTP server implementation |
| inline Server::Server() |
| : new_task_queue( |
| [] { return new ThreadPool(CPPHTTPLIB_THREAD_POOL_COUNT); }) { |
| #ifndef _WIN32 |
| signal(SIGPIPE, SIG_IGN); |
| #endif |
| } |
| |
| inline Server::~Server() {} |
| |
| inline std::unique_ptr<detail::MatcherBase> |
| Server::make_matcher(const std::string &pattern) { |
| if (pattern.find("/:") != std::string::npos) { |
| return detail::make_unique<detail::PathParamsMatcher>(pattern); |
| } else { |
| return detail::make_unique<detail::RegexMatcher>(pattern); |
| } |
| } |
| |
| inline Server &Server::Get(const std::string &pattern, Handler handler) { |
| get_handlers_.push_back( |
| std::make_pair(make_matcher(pattern), std::move(handler))); |
| return *this; |
| } |
| |
| inline Server &Server::Post(const std::string &pattern, Handler handler) { |
| post_handlers_.push_back( |
| std::make_pair(make_matcher(pattern), std::move(handler))); |
| return *this; |
| } |
| |
| inline Server &Server::Post(const std::string &pattern, |
| HandlerWithContentReader handler) { |
| post_handlers_for_content_reader_.push_back( |
| std::make_pair(make_matcher(pattern), std::move(handler))); |
| return *this; |
| } |
| |
| inline Server &Server::Put(const std::string &pattern, Handler handler) { |
| put_handlers_.push_back( |
| std::make_pair(make_matcher(pattern), std::move(handler))); |
| return *this; |
| } |
| |
| inline Server &Server::Put(const std::string &pattern, |
| HandlerWithContentReader handler) { |
| put_handlers_for_content_reader_.push_back( |
| std::make_pair(make_matcher(pattern), std::move(handler))); |
| return *this; |
| } |
| |
| inline Server &Server::Patch(const std::string &pattern, Handler handler) { |
| patch_handlers_.push_back( |
| std::make_pair(make_matcher(pattern), std::move(handler))); |
| return *this; |
| } |
| |
| inline Server &Server::Patch(const std::string &pattern, |
| HandlerWithContentReader handler) { |
| patch_handlers_for_content_reader_.push_back( |
| std::make_pair(make_matcher(pattern), std::move(handler))); |
| return *this; |
| } |
| |
| inline Server &Server::Delete(const std::string &pattern, Handler handler) { |
| delete_handlers_.push_back( |
| std::make_pair(make_matcher(pattern), std::move(handler))); |
| return *this; |
| } |
| |
| inline Server &Server::Delete(const std::string &pattern, |
| HandlerWithContentReader handler) { |
| delete_handlers_for_content_reader_.push_back( |
| std::make_pair(make_matcher(pattern), std::move(handler))); |
| return *this; |
| } |
| |
| inline Server &Server::Options(const std::string &pattern, Handler handler) { |
| options_handlers_.push_back( |
| std::make_pair(make_matcher(pattern), std::move(handler))); |
| return *this; |
| } |
| |
| inline bool Server::set_base_dir(const std::string &dir, |
| const std::string &mount_point) { |
| return set_mount_point(mount_point, dir); |
| } |
| |
| inline bool Server::set_mount_point(const std::string &mount_point, |
| const std::string &dir, Headers headers) { |
| if (detail::is_dir(dir)) { |
| std::string mnt = !mount_point.empty() ? mount_point : "/"; |
| if (!mnt.empty() && mnt[0] == '/') { |
| base_dirs_.push_back({mnt, dir, std::move(headers)}); |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| inline bool Server::remove_mount_point(const std::string &mount_point) { |
| for (auto it = base_dirs_.begin(); it != base_dirs_.end(); ++it) { |
| if (it->mount_point == mount_point) { |
| base_dirs_.erase(it); |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| inline Server & |
| Server::set_file_extension_and_mimetype_mapping(const std::string &ext, |
| const std::string &mime) { |
| file_extension_and_mimetype_map_[ext] = mime; |
| return *this; |
| } |
| |
| inline Server &Server::set_file_request_handler(Handler handler) { |
| file_request_handler_ = std::move(handler); |
| return *this; |
| } |
| |
| inline Server &Server::set_error_handler(HandlerWithResponse handler) { |
| error_handler_ = std::move(handler); |
| return *this; |
| } |
| |
| inline Server &Server::set_error_handler(Handler handler) { |
| error_handler_ = [handler](const Request &req, Response &res) { |
| handler(req, res); |
| return HandlerResponse::Handled; |
| }; |
| return *this; |
| } |
| |
| inline Server &Server::set_exception_handler(ExceptionHandler handler) { |
| exception_handler_ = std::move(handler); |
| return *this; |
| } |
| |
| inline Server &Server::set_pre_routing_handler(HandlerWithResponse handler) { |
| pre_routing_handler_ = std::move(handler); |
| return *this; |
| } |
| |
| inline Server &Server::set_post_routing_handler(Handler handler) { |
| post_routing_handler_ = std::move(handler); |
| return *this; |
| } |
| |
| inline Server &Server::set_logger(Logger logger) { |
| logger_ = std::move(logger); |
| return *this; |
| } |
| |
| inline Server & |
| Server::set_expect_100_continue_handler(Expect100ContinueHandler handler) { |
| expect_100_continue_handler_ = std::move(handler); |
| return *this; |
| } |
| |
| inline Server &Server::set_address_family(int family) { |
| address_family_ = family; |
| return *this; |
| } |
| |
| inline Server &Server::set_tcp_nodelay(bool on) { |
| tcp_nodelay_ = on; |
| return *this; |
| } |
| |
| inline Server &Server::set_socket_options(SocketOptions socket_options) { |
| socket_options_ = std::move(socket_options); |
| return *this; |
| } |
| |
| inline Server &Server::set_default_headers(Headers headers) { |
| default_headers_ = std::move(headers); |
| return *this; |
| } |
| |
| inline Server &Server::set_keep_alive_max_count(size_t count) { |
| keep_alive_max_count_ = count; |
| return *this; |
| } |
| |
| inline Server &Server::set_keep_alive_timeout(time_t sec) { |
| keep_alive_timeout_sec_ = sec; |
| return *this; |
| } |
| |
| inline Server &Server::set_read_timeout(time_t sec, time_t usec) { |
| read_timeout_sec_ = sec; |
| read_timeout_usec_ = usec; |
| return *this; |
| } |
| |
| inline Server &Server::set_write_timeout(time_t sec, time_t usec) { |
| write_timeout_sec_ = sec; |
| write_timeout_usec_ = usec; |
| return *this; |
| } |
| |
| inline Server &Server::set_idle_interval(time_t sec, time_t usec) { |
| idle_interval_sec_ = sec; |
| idle_interval_usec_ = usec; |
| return *this; |
| } |
| |
| inline Server &Server::set_payload_max_length(size_t length) { |
| payload_max_length_ = length; |
| return *this; |
| } |
| |
| inline bool Server::bind_to_port(const std::string &host, int port, |
| int socket_flags) { |
| if (bind_internal(host, port, socket_flags) < 0) return false; |
| return true; |
| } |
| inline int Server::bind_to_any_port(const std::string &host, int socket_flags) { |
| return bind_internal(host, 0, socket_flags); |
| } |
| |
| inline bool Server::listen_after_bind() { |
| auto se = detail::scope_exit([&]() { done_ = true; }); |
| return listen_internal(); |
| } |
| |
| inline bool Server::listen(const std::string &host, int port, |
| int socket_flags) { |
| auto se = detail::scope_exit([&]() { done_ = true; }); |
| return bind_to_port(host, port, socket_flags) && listen_internal(); |
| } |
| |
| inline bool Server::is_running() const { return is_running_; } |
| |
| inline void Server::wait_until_ready() const { |
| while (!is_running() && !done_) { |
| std::this_thread::sleep_for(std::chrono::milliseconds{1}); |
| } |
| } |
| |
| inline void Server::stop() { |
| if (is_running_) { |
| assert(svr_sock_ != INVALID_SOCKET); |
| std::atomic<socket_t> sock(svr_sock_.exchange(INVALID_SOCKET)); |
| detail::shutdown_socket(sock); |
| detail::close_socket(sock); |
| } |
| } |
| |
| inline bool Server::parse_request_line(const char *s, Request &req) { |
| auto len = strlen(s); |
| if (len < 2 || s[len - 2] != '\r' || s[len - 1] != '\n') { return false; } |
| len -= 2; |
| |
| { |
| size_t count = 0; |
| |
| detail::split(s, s + len, ' ', [&](const char *b, const char *e) { |
| switch (count) { |
| case 0: req.method = std::string(b, e); break; |
| case 1: req.target = std::string(b, e); break; |
| case 2: req.version = std::string(b, e); break; |
| default: break; |
| } |
| count++; |
| }); |
| |
| if (count != 3) { return false; } |
| } |
| |
| static const std::set<std::string> methods{ |
| "GET", "HEAD", "POST", "PUT", "DELETE", |
| "CONNECT", "OPTIONS", "TRACE", "PATCH", "PRI"}; |
| |
| if (methods.find(req.method) == methods.end()) { return false; } |
| |
| if (req.version != "HTTP/1.1" && req.version != "HTTP/1.0") { return false; } |
| |
| { |
| // Skip URL fragment |
| for (size_t i = 0; i < req.target.size(); i++) { |
| if (req.target[i] == '#') { |
| req.target.erase(i); |
| break; |
| } |
| } |
| |
| size_t count = 0; |
| |
| detail::split(req.target.data(), req.target.data() + req.target.size(), '?', |
| [&](const char *b, const char *e) { |
| switch (count) { |
| case 0: |
| req.path = detail::decode_url(std::string(b, e), false); |
| break; |
| case 1: { |
| if (e - b > 0) { |
| detail::parse_query_text(std::string(b, e), req.params); |
| } |
| break; |
| } |
| default: break; |
| } |
| count++; |
| }); |
| |
| if (count > 2) { return false; } |
| } |
| |
| return true; |
| } |
| |
| inline bool Server::write_response(Stream &strm, bool close_connection, |
| const Request &req, Response &res) { |
| return write_response_core(strm, close_connection, req, res, false); |
| } |
| |
| inline bool Server::write_response_with_content(Stream &strm, |
| bool close_connection, |
| const Request &req, |
| Response &res) { |
| return write_response_core(strm, close_connection, req, res, true); |
| } |
| |
| inline bool Server::write_response_core(Stream &strm, bool close_connection, |
| const Request &req, Response &res, |
| bool need_apply_ranges) { |
| assert(res.status != -1); |
| |
| if (400 <= res.status && error_handler_ && |
| error_handler_(req, res) == HandlerResponse::Handled) { |
| need_apply_ranges = true; |
| } |
| |
| std::string content_type; |
| std::string boundary; |
| if (need_apply_ranges) { apply_ranges(req, res, content_type, boundary); } |
| |
| // Prepare additional headers |
| if (close_connection || req.get_header_value("Connection") == "close") { |
| res.set_header("Connection", "close"); |
| } else { |
| std::stringstream ss; |
| ss << "timeout=" << keep_alive_timeout_sec_ |
| << ", max=" << keep_alive_max_count_; |
| res.set_header("Keep-Alive", ss.str()); |
| } |
| |
| if (!res.has_header("Content-Type") && |
| (!res.body.empty() || res.content_length_ > 0 || res.content_provider_)) { |
| res.set_header("Content-Type", "text/plain"); |
| } |
| |
| if (!res.has_header("Content-Length") && res.body.empty() && |
| !res.content_length_ && !res.content_provider_) { |
| res.set_header("Content-Length", "0"); |
| } |
| |
| if (!res.has_header("Accept-Ranges") && req.method == "HEAD") { |
| res.set_header("Accept-Ranges", "bytes"); |
| } |
| |
| if (post_routing_handler_) { post_routing_handler_(req, res); } |
| |
| // Response line and headers |
| { |
| detail::BufferStream bstrm; |
| |
| if (!bstrm.write_format("HTTP/1.1 %d %s\r\n", res.status, |
| status_message(res.status))) { |
| return false; |
| } |
| |
| if (!detail::write_headers(bstrm, res.headers)) { return false; } |
| |
| // Flush buffer |
| auto &data = bstrm.get_buffer(); |
| detail::write_data(strm, data.data(), data.size()); |
| } |
| |
| // Body |
| auto ret = true; |
| if (req.method != "HEAD") { |
| if (!res.body.empty()) { |
| if (!detail::write_data(strm, res.body.data(), res.body.size())) { |
| ret = false; |
| } |
| } else if (res.content_provider_) { |
| if (write_content_with_provider(strm, req, res, boundary, content_type)) { |
| res.content_provider_success_ = true; |
| } else { |
| res.content_provider_success_ = false; |
| ret = false; |
| } |
| } |
| } |
| |
| // Log |
| if (logger_) { logger_(req, res); } |
| |
| return ret; |
| } |
| |
| inline bool |
| Server::write_content_with_provider(Stream &strm, const Request &req, |
| Response &res, const std::string &boundary, |
| const std::string &content_type) { |
| auto is_shutting_down = [this]() { |
| return this->svr_sock_ == INVALID_SOCKET; |
| }; |
| |
| if (res.content_length_ > 0) { |
| if (req.ranges.empty()) { |
| return detail::write_content(strm, res.content_provider_, 0, |
| res.content_length_, is_shutting_down); |
| } else if (req.ranges.size() == 1) { |
| auto offsets = |
| detail::get_range_offset_and_length(req, res.content_length_, 0); |
| auto offset = offsets.first; |
| auto length = offsets.second; |
| return detail::write_content(strm, res.content_provider_, offset, length, |
| is_shutting_down); |
| } else { |
| return detail::write_multipart_ranges_data( |
| strm, req, res, boundary, content_type, is_shutting_down); |
| } |
| } else { |
| if (res.is_chunked_content_provider_) { |
| auto type = detail::encoding_type(req, res); |
| |
| std::unique_ptr<detail::compressor> compressor; |
| if (type == detail::EncodingType::Gzip) { |
| #ifdef CPPHTTPLIB_ZLIB_SUPPORT |
| compressor = detail::make_unique<detail::gzip_compressor>(); |
| #endif |
| } else if (type == detail::EncodingType::Brotli) { |
| #ifdef CPPHTTPLIB_BROTLI_SUPPORT |
| compressor = detail::make_unique<detail::brotli_compressor>(); |
| #endif |
| } else { |
| compressor = detail::make_unique<detail::nocompressor>(); |
| } |
| assert(compressor != nullptr); |
| |
| return detail::write_content_chunked(strm, res.content_provider_, |
| is_shutting_down, *compressor); |
| } else { |
| return detail::write_content_without_length(strm, res.content_provider_, |
| is_shutting_down); |
| } |
| } |
| } |
| |
| inline bool Server::read_content(Stream &strm, Request &req, Response &res) { |
| MultipartFormDataMap::iterator cur; |
| auto file_count = 0; |
| if (read_content_core( |
| strm, req, res, |
| // Regular |
| [&](const char *buf, size_t n) { |
| if (req.body.size() + n > req.body.max_size()) { return false; } |
| req.body.append(buf, n); |
| return true; |
| }, |
| // Multipart |
| [&](const MultipartFormData &file) { |
| if (file_count++ == CPPHTTPLIB_MULTIPART_FORM_DATA_FILE_MAX_COUNT) { |
| return false; |
| } |
| cur = req.files.emplace(file.name, file); |
| return true; |
| }, |
| [&](const char *buf, size_t n) { |
| auto &content = cur->second.content; |
| if (content.size() + n > content.max_size()) { return false; } |
| content.append(buf, n); |
| return true; |
| })) { |
| const auto &content_type = req.get_header_value("Content-Type"); |
| if (!content_type.find("application/x-www-form-urlencoded")) { |
| if (req.body.size() > CPPHTTPLIB_FORM_URL_ENCODED_PAYLOAD_MAX_LENGTH) { |
| res.status = 413; // NOTE: should be 414? |
| return false; |
| } |
| detail::parse_query_text(req.body, req.params); |
| } |
| return true; |
| } |
| return false; |
| } |
| |
| inline bool Server::read_content_with_content_receiver( |
| Stream &strm, Request &req, Response &res, ContentReceiver receiver, |
| MultipartContentHeader multipart_header, |
| ContentReceiver multipart_receiver) { |
| return read_content_core(strm, req, res, std::move(receiver), |
| std::move(multipart_header), |
| std::move(multipart_receiver)); |
| } |
| |
| inline bool Server::read_content_core(Stream &strm, Request &req, Response &res, |
| ContentReceiver receiver, |
| MultipartContentHeader multipart_header, |
| ContentReceiver multipart_receiver) { |
| detail::MultipartFormDataParser multipart_form_data_parser; |
| ContentReceiverWithProgress out; |
| |
| if (req.is_multipart_form_data()) { |
| const auto &content_type = req.get_header_value("Content-Type"); |
| std::string boundary; |
| if (!detail::parse_multipart_boundary(content_type, boundary)) { |
| res.status = 400; |
| return false; |
| } |
| |
| multipart_form_data_parser.set_boundary(std::move(boundary)); |
| out = [&](const char *buf, size_t n, uint64_t /*off*/, uint64_t /*len*/) { |
| /* For debug |
| size_t pos = 0; |
| while (pos < n) { |
| auto read_size = (std::min)<size_t>(1, n - pos); |
| auto ret = multipart_form_data_parser.parse( |
| buf + pos, read_size, multipart_receiver, multipart_header); |
| if (!ret) { return false; } |
| pos += read_size; |
| } |
| return true; |
| */ |
| return multipart_form_data_parser.parse(buf, n, multipart_receiver, |
| multipart_header); |
| }; |
| } else { |
| out = [receiver](const char *buf, size_t n, uint64_t /*off*/, |
| uint64_t /*len*/) { return receiver(buf, n); }; |
| } |
| |
| if (req.method == "DELETE" && !req.has_header("Content-Length")) { |
| return true; |
| } |
| |
| if (!detail::read_content(strm, req, payload_max_length_, res.status, nullptr, |
| out, true)) { |
| return false; |
| } |
| |
| if (req.is_multipart_form_data()) { |
| if (!multipart_form_data_parser.is_valid()) { |
| res.status = 400; |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| inline bool Server::handle_file_request(const Request &req, Response &res, |
| bool head) { |
| for (const auto &entry : base_dirs_) { |
| // Prefix match |
| if (!req.path.compare(0, entry.mount_point.size(), entry.mount_point)) { |
| std::string sub_path = "/" + req.path.substr(entry.mount_point.size()); |
| if (detail::is_valid_path(sub_path)) { |
| auto path = entry.base_dir + sub_path; |
| if (path.back() == '/') { path += "index.html"; } |
| |
| if (detail::is_file(path)) { |
| detail::read_file(path, res.body); |
| auto type = |
| detail::find_content_type(path, file_extension_and_mimetype_map_); |
| if (type) { res.set_header("Content-Type", type); } |
| for (const auto &kv : entry.headers) { |
| res.set_header(kv.first.c_str(), kv.second); |
| } |
| res.status = req.has_header("Range") ? 206 : 200; |
| if (!head && file_request_handler_) { |
| file_request_handler_(req, res); |
| } |
| return true; |
| } |
| } |
| } |
| } |
| return false; |
| } |
| |
| inline socket_t |
| Server::create_server_socket(const std::string &host, int port, |
| int socket_flags, |
| SocketOptions socket_options) const { |
| return detail::create_socket( |
| host, std::string(), port, address_family_, socket_flags, tcp_nodelay_, |
| std::move(socket_options), |
| [](socket_t sock, struct addrinfo &ai) -> bool { |
| if (::bind(sock, ai.ai_addr, static_cast<socklen_t>(ai.ai_addrlen))) { |
| return false; |
| } |
| if (::listen(sock, CPPHTTPLIB_LISTEN_BACKLOG)) { return false; } |
| return true; |
| }); |
| } |
| |
| inline int Server::bind_internal(const std::string &host, int port, |
| int socket_flags) { |
| if (!is_valid()) { return -1; } |
| |
| svr_sock_ = create_server_socket(host, port, socket_flags, socket_options_); |
| if (svr_sock_ == INVALID_SOCKET) { return -1; } |
| |
| if (port == 0) { |
| struct sockaddr_storage addr; |
| socklen_t addr_len = sizeof(addr); |
| if (getsockname(svr_sock_, reinterpret_cast<struct sockaddr *>(&addr), |
| &addr_len) == -1) { |
| return -1; |
| } |
| if (addr.ss_family == AF_INET) { |
| return ntohs(reinterpret_cast<struct sockaddr_in *>(&addr)->sin_port); |
| } else if (addr.ss_family == AF_INET6) { |
| return ntohs(reinterpret_cast<struct sockaddr_in6 *>(&addr)->sin6_port); |
| } else { |
| return -1; |
| } |
| } else { |
| return port; |
| } |
| } |
| |
| inline bool Server::listen_internal() { |
| auto ret = true; |
| is_running_ = true; |
| auto se = detail::scope_exit([&]() { is_running_ = false; }); |
| |
| { |
| std::unique_ptr<TaskQueue> task_queue(new_task_queue()); |
| |
| while (svr_sock_ != INVALID_SOCKET) { |
| #ifndef _WIN32 |
| if (idle_interval_sec_ > 0 || idle_interval_usec_ > 0) { |
| #endif |
| auto val = detail::select_read(svr_sock_, idle_interval_sec_, |
| idle_interval_usec_); |
| if (val == 0) { // Timeout |
| task_queue->on_idle(); |
| continue; |
| } |
| #ifndef _WIN32 |
| } |
| #endif |
| socket_t sock = accept(svr_sock_, nullptr, nullptr); |
| |
| if (sock == INVALID_SOCKET) { |
| if (errno == EMFILE) { |
| // The per-process limit of open file descriptors has been reached. |
| // Try to accept new connections after a short sleep. |
| std::this_thread::sleep_for(std::chrono::milliseconds(1)); |
| continue; |
| } else if (errno == EINTR || errno == EAGAIN) { |
| continue; |
| } |
| if (svr_sock_ != INVALID_SOCKET) { |
| detail::close_socket(svr_sock_); |
| ret = false; |
| } else { |
| ; // The server socket was closed by user. |
| } |
| break; |
| } |
| |
| { |
| #ifdef _WIN32 |
| auto timeout = static_cast<uint32_t>(read_timeout_sec_ * 1000 + |
| read_timeout_usec_ / 1000); |
| setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, |
| reinterpret_cast<const char *>(&timeout), sizeof(timeout)); |
| #else |
| timeval tv; |
| tv.tv_sec = static_cast<long>(read_timeout_sec_); |
| tv.tv_usec = static_cast<decltype(tv.tv_usec)>(read_timeout_usec_); |
| setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, |
| reinterpret_cast<const void *>(&tv), sizeof(tv)); |
| #endif |
| } |
| { |
| |
| #ifdef _WIN32 |
| auto timeout = static_cast<uint32_t>(write_timeout_sec_ * 1000 + |
| write_timeout_usec_ / 1000); |
| setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO, |
| reinterpret_cast<const char *>(&timeout), sizeof(timeout)); |
| #else |
| timeval tv; |
| tv.tv_sec = static_cast<long>(write_timeout_sec_); |
| tv.tv_usec = static_cast<decltype(tv.tv_usec)>(write_timeout_usec_); |
| setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO, |
| reinterpret_cast<const void *>(&tv), sizeof(tv)); |
| #endif |
| } |
| |
| task_queue->enqueue([this, sock]() { process_and_close_socket(sock); }); |
| } |
| |
| task_queue->shutdown(); |
| } |
| |
| return ret; |
| } |
| |
| inline bool Server::routing(Request &req, Response &res, Stream &strm) { |
| if (pre_routing_handler_ && |
| pre_routing_handler_(req, res) == HandlerResponse::Handled) { |
| return true; |
| } |
| |
| // File handler |
| auto is_head_request = req.method == "HEAD"; |
| if ((req.method == "GET" || is_head_request) && |
| handle_file_request(req, res, is_head_request)) { |
| return true; |
| } |
| |
| if (detail::expect_content(req)) { |
| // Content reader handler |
| { |
| ContentReader reader( |
| [&](ContentReceiver receiver) { |
| return read_content_with_content_receiver( |
| strm, req, res, std::move(receiver), nullptr, nullptr); |
| }, |
| [&](MultipartContentHeader header, ContentReceiver receiver) { |
| return read_content_with_content_receiver(strm, req, res, nullptr, |
| std::move(header), |
| std::move(receiver)); |
| }); |
| |
| if (req.method == "POST") { |
| if (dispatch_request_for_content_reader( |
| req, res, std::move(reader), |
| post_handlers_for_content_reader_)) { |
| return true; |
| } |
| } else if (req.method == "PUT") { |
| if (dispatch_request_for_content_reader( |
| req, res, std::move(reader), |
| put_handlers_for_content_reader_)) { |
| return true; |
| } |
| } else if (req.method == "PATCH") { |
| if (dispatch_request_for_content_reader( |
| req, res, std::move(reader), |
| patch_handlers_for_content_reader_)) { |
| return true; |
| } |
| } else if (req.method == "DELETE") { |
| if (dispatch_request_for_content_reader( |
| req, res, std::move(reader), |
| delete_handlers_for_content_reader_)) { |
| return true; |
| } |
| } |
| } |
| |
| // Read content into `req.body` |
| if (!read_content(strm, req, res)) { return false; } |
| } |
| |
| // Regular handler |
| if (req.method == "GET" || req.method == "HEAD") { |
| return dispatch_request(req, res, get_handlers_); |
| } else if (req.method == "POST") { |
| return dispatch_request(req, res, post_handlers_); |
| } else if (req.method == "PUT") { |
| return dispatch_request(req, res, put_handlers_); |
| } else if (req.method == "DELETE") { |
| return dispatch_request(req, res, delete_handlers_); |
| } else if (req.method == "OPTIONS") { |
| return dispatch_request(req, res, options_handlers_); |
| } else if (req.method == "PATCH") { |
| return dispatch_request(req, res, patch_handlers_); |
| } |
| |
| res.status = 400; |
| return false; |
| } |
| |
| inline bool Server::dispatch_request(Request &req, Response &res, |
| const Handlers &handlers) { |
| for (const auto &x : handlers) { |
| const auto &matcher = x.first; |
| const auto &handler = x.second; |
| |
| if (matcher->match(req)) { |
| handler(req, res); |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| inline void Server::apply_ranges(const Request &req, Response &res, |
| std::string &content_type, |
| std::string &boundary) { |
| if (req.ranges.size() > 1) { |
| boundary = detail::make_multipart_data_boundary(); |
| |
| auto it = res.headers.find("Content-Type"); |
| if (it != res.headers.end()) { |
| content_type = it->second; |
| res.headers.erase(it); |
| } |
| |
| res.set_header("Content-Type", |
| "multipart/byteranges; boundary=" + boundary); |
| } |
| |
| auto type = detail::encoding_type(req, res); |
| |
| if (res.body.empty()) { |
| if (res.content_length_ > 0) { |
| size_t length = 0; |
| if (req.ranges.empty()) { |
| length = res.content_length_; |
| } else if (req.ranges.size() == 1) { |
| auto offsets = |
| detail::get_range_offset_and_length(req, res.content_length_, 0); |
| auto offset = offsets.first; |
| length = offsets.second; |
| auto content_range = detail::make_content_range_header_field( |
| offset, length, res.content_length_); |
| res.set_header("Content-Range", content_range); |
| } else { |
| length = detail::get_multipart_ranges_data_length(req, res, boundary, |
| content_type); |
| } |
| res.set_header("Content-Length", std::to_string(length)); |
| } else { |
| if (res.content_provider_) { |
| if (res.is_chunked_content_provider_) { |
| res.set_header("Transfer-Encoding", "chunked"); |
| if (type == detail::EncodingType::Gzip) { |
| res.set_header("Content-Encoding", "gzip"); |
| } else if (type == detail::EncodingType::Brotli) { |
| res.set_header("Content-Encoding", "br"); |
| } |
| } |
| } |
| } |
| } else { |
| if (req.ranges.empty()) { |
| ; |
| } else if (req.ranges.size() == 1) { |
| auto offsets = |
| detail::get_range_offset_and_length(req, res.body.size(), 0); |
| auto offset = offsets.first; |
| auto length = offsets.second; |
| auto content_range = detail::make_content_range_header_field( |
| offset, length, res.body.size()); |
| res.set_header("Content-Range", content_range); |
| if (offset < res.body.size()) { |
| res.body = res.body.substr(offset, length); |
| } else { |
| res.body.clear(); |
| res.status = 416; |
| } |
| } else { |
| std::string data; |
| if (detail::make_multipart_ranges_data(req, res, boundary, content_type, |
| data)) { |
| res.body.swap(data); |
| } else { |
| res.body.clear(); |
| res.status = 416; |
| } |
| } |
| |
| if (type != detail::EncodingType::None) { |
| std::unique_ptr<detail::compressor> compressor; |
| std::string content_encoding; |
| |
| if (type == detail::EncodingType::Gzip) { |
| #ifdef CPPHTTPLIB_ZLIB_SUPPORT |
| compressor = detail::make_unique<detail::gzip_compressor>(); |
| content_encoding = "gzip"; |
| #endif |
| } else if (type == detail::EncodingType::Brotli) { |
| #ifdef CPPHTTPLIB_BROTLI_SUPPORT |
| compressor = detail::make_unique<detail::brotli_compressor>(); |
| content_encoding = "br"; |
| #endif |
| } |
| |
| if (compressor) { |
| std::string compressed; |
| if (compressor->compress(res.body.data(), res.body.size(), true, |
| [&](const char *data, size_t data_len) { |
| compressed.append(data, data_len); |
| return true; |
| })) { |
| res.body.swap(compressed); |
| res.set_header("Content-Encoding", content_encoding); |
| } |
| } |
| } |
| |
| auto length = std::to_string(res.body.size()); |
| res.set_header("Content-Length", length); |
| } |
| } |
| |
| inline bool Server::dispatch_request_for_content_reader( |
| Request &req, Response &res, ContentReader content_reader, |
| const HandlersForContentReader &handlers) { |
| for (const auto &x : handlers) { |
| const auto &matcher = x.first; |
| const auto &handler = x.second; |
| |
| if (matcher->match(req)) { |
| handler(req, res, content_reader); |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| inline bool |
| Server::process_request(Stream &strm, bool close_connection, |
| bool &connection_closed, |
| const std::function<void(Request &)> &setup_request) { |
| std::array<char, 2048> buf{}; |
| |
| detail::stream_line_reader line_reader(strm, buf.data(), buf.size()); |
| |
| // Connection has been closed on client |
| if (!line_reader.getline()) { return false; } |
| |
| Request req; |
| |
| Response res; |
| res.version = "HTTP/1.1"; |
| res.headers = default_headers_; |
| |
| #ifdef _WIN32 |
| // TODO: Increase FD_SETSIZE statically (libzmq), dynamically (MySQL). |
| #else |
| #ifndef CPPHTTPLIB_USE_POLL |
| // Socket file descriptor exceeded FD_SETSIZE... |
| if (strm.socket() >= FD_SETSIZE) { |
| Headers dummy; |
| detail::read_headers(strm, dummy); |
| res.status = 500; |
| return write_response(strm, close_connection, req, res); |
| } |
| #endif |
| #endif |
| |
| // Check if the request URI doesn't exceed the limit |
| if (line_reader.size() > CPPHTTPLIB_REQUEST_URI_MAX_LENGTH) { |
| Headers dummy; |
| detail::read_headers(strm, dummy); |
| res.status = 414; |
| return write_response(strm, close_connection, req, res); |
| } |
| |
| // Request line and headers |
| if (!parse_request_line(line_reader.ptr(), req) || |
| !detail::read_headers(strm, req.headers)) { |
| res.status = 400; |
| return write_response(strm, close_connection, req, res); |
| } |
| |
| if (req.get_header_value("Connection") == "close") { |
| connection_closed = true; |
| } |
| |
| if (req.version == "HTTP/1.0" && |
| req.get_header_value("Connection") != "Keep-Alive") { |
| connection_closed = true; |
| } |
| |
| strm.get_remote_ip_and_port(req.remote_addr, req.remote_port); |
| req.set_header("REMOTE_ADDR", req.remote_addr); |
| req.set_header("REMOTE_PORT", std::to_string(req.remote_port)); |
| |
| strm.get_local_ip_and_port(req.local_addr, req.local_port); |
| req.set_header("LOCAL_ADDR", req.local_addr); |
| req.set_header("LOCAL_PORT", std::to_string(req.local_port)); |
| |
| if (req.has_header("Range")) { |
| const auto &range_header_value = req.get_header_value("Range"); |
| if (!detail::parse_range_header(range_header_value, req.ranges)) { |
| res.status = 416; |
| return write_response(strm, close_connection, req, res); |
| } |
| } |
| |
| if (setup_request) { setup_request(req); } |
| |
| if (req.get_header_value("Expect") == "100-continue") { |
| auto status = 100; |
| if (expect_100_continue_handler_) { |
| status = expect_100_continue_handler_(req, res); |
| } |
| switch (status) { |
| case 100: |
| case 417: |
| strm.write_format("HTTP/1.1 %d %s\r\n\r\n", status, |
| status_message(status)); |
| break; |
| default: return write_response(strm, close_connection, req, res); |
| } |
| } |
| |
| // Rounting |
| bool routed = false; |
| #ifdef CPPHTTPLIB_NO_EXCEPTIONS |
| routed = routing(req, res, strm); |
| #else |
| try { |
| routed = routing(req, res, strm); |
| } catch (std::exception &e) { |
| if (exception_handler_) { |
| auto ep = std::current_exception(); |
| exception_handler_(req, res, ep); |
| routed = true; |
| } else { |
| res.status = 500; |
| std::string val; |
| auto s = e.what(); |
| for (size_t i = 0; s[i]; i++) { |
| switch (s[i]) { |
| case '\r': val += "\\r"; break; |
| case '\n': val += "\\n"; break; |
| default: val += s[i]; break; |
| } |
| } |
| res.set_header("EXCEPTION_WHAT", val); |
| } |
| } catch (...) { |
| if (exception_handler_) { |
| auto ep = std::current_exception(); |
| exception_handler_(req, res, ep); |
| routed = true; |
| } else { |
| res.status = 500; |
| res.set_header("EXCEPTION_WHAT", "UNKNOWN"); |
| } |
| } |
| #endif |
| |
| if (routed) { |
| if (res.status == -1) { res.status = req.ranges.empty() ? 200 : 206; } |
| return write_response_with_content(strm, close_connection, req, res); |
| } else { |
| if (res.status == -1) { res.status = 404; } |
| return write_response(strm, close_connection, req, res); |
| } |
| } |
| |
| inline bool Server::is_valid() const { return true; } |
| |
| inline bool Server::process_and_close_socket(socket_t sock) { |
| auto ret = detail::process_server_socket( |
| svr_sock_, sock, keep_alive_max_count_, keep_alive_timeout_sec_, |
| read_timeout_sec_, read_timeout_usec_, write_timeout_sec_, |
| write_timeout_usec_, |
| [this](Stream &strm, bool close_connection, bool &connection_closed) { |
| return process_request(strm, close_connection, connection_closed, |
| nullptr); |
| }); |
| |
| detail::shutdown_socket(sock); |
| detail::close_socket(sock); |
| return ret; |
| } |
| |
| // HTTP client implementation |
| inline ClientImpl::ClientImpl(const std::string &host) |
| : ClientImpl(host, 80, std::string(), std::string()) {} |
| |
| inline ClientImpl::ClientImpl(const std::string &host, int port) |
| : ClientImpl(host, port, std::string(), std::string()) {} |
| |
| inline ClientImpl::ClientImpl(const std::string &host, int port, |
| const std::string &client_cert_path, |
| const std::string &client_key_path) |
| : host_(host), port_(port), |
| host_and_port_(adjust_host_string(host) + ":" + std::to_string(port)), |
| client_cert_path_(client_cert_path), client_key_path_(client_key_path) {} |
| |
| inline ClientImpl::~ClientImpl() { |
| std::lock_guard<std::mutex> guard(socket_mutex_); |
| shutdown_socket(socket_); |
| close_socket(socket_); |
| } |
| |
| inline bool ClientImpl::is_valid() const { return true; } |
| |
| inline void ClientImpl::copy_settings(const ClientImpl &rhs) { |
| client_cert_path_ = rhs.client_cert_path_; |
| client_key_path_ = rhs.client_key_path_; |
| connection_timeout_sec_ = rhs.connection_timeout_sec_; |
| read_timeout_sec_ = rhs.read_timeout_sec_; |
| read_timeout_usec_ = rhs.read_timeout_usec_; |
| write_timeout_sec_ = rhs.write_timeout_sec_; |
| write_timeout_usec_ = rhs.write_timeout_usec_; |
| basic_auth_username_ = rhs.basic_auth_username_; |
| basic_auth_password_ = rhs.basic_auth_password_; |
| bearer_token_auth_token_ = rhs.bearer_token_auth_token_; |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| digest_auth_username_ = rhs.digest_auth_username_; |
| digest_auth_password_ = rhs.digest_auth_password_; |
| #endif |
| keep_alive_ = rhs.keep_alive_; |
| follow_location_ = rhs.follow_location_; |
| url_encode_ = rhs.url_encode_; |
| address_family_ = rhs.address_family_; |
| tcp_nodelay_ = rhs.tcp_nodelay_; |
| socket_options_ = rhs.socket_options_; |
| compress_ = rhs.compress_; |
| decompress_ = rhs.decompress_; |
| interface_ = rhs.interface_; |
| proxy_host_ = rhs.proxy_host_; |
| proxy_port_ = rhs.proxy_port_; |
| proxy_basic_auth_username_ = rhs.proxy_basic_auth_username_; |
| proxy_basic_auth_password_ = rhs.proxy_basic_auth_password_; |
| proxy_bearer_token_auth_token_ = rhs.proxy_bearer_token_auth_token_; |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| proxy_digest_auth_username_ = rhs.proxy_digest_auth_username_; |
| proxy_digest_auth_password_ = rhs.proxy_digest_auth_password_; |
| #endif |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| ca_cert_file_path_ = rhs.ca_cert_file_path_; |
| ca_cert_dir_path_ = rhs.ca_cert_dir_path_; |
| ca_cert_store_ = rhs.ca_cert_store_; |
| #endif |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| server_certificate_verification_ = rhs.server_certificate_verification_; |
| #endif |
| logger_ = rhs.logger_; |
| } |
| |
| inline socket_t ClientImpl::create_client_socket(Error &error) const { |
| if (!proxy_host_.empty() && proxy_port_ != -1) { |
| return detail::create_client_socket( |
| proxy_host_, std::string(), proxy_port_, address_family_, tcp_nodelay_, |
| socket_options_, connection_timeout_sec_, connection_timeout_usec_, |
| read_timeout_sec_, read_timeout_usec_, write_timeout_sec_, |
| write_timeout_usec_, interface_, error); |
| } |
| |
| // Check is custom IP specified for host_ |
| std::string ip; |
| auto it = addr_map_.find(host_); |
| if (it != addr_map_.end()) ip = it->second; |
| |
| return detail::create_client_socket( |
| host_, ip, port_, address_family_, tcp_nodelay_, socket_options_, |
| connection_timeout_sec_, connection_timeout_usec_, read_timeout_sec_, |
| read_timeout_usec_, write_timeout_sec_, write_timeout_usec_, interface_, |
| error); |
| } |
| |
| inline bool ClientImpl::create_and_connect_socket(Socket &socket, |
| Error &error) { |
| auto sock = create_client_socket(error); |
| if (sock == INVALID_SOCKET) { return false; } |
| socket.sock = sock; |
| return true; |
| } |
| |
| inline void ClientImpl::shutdown_ssl(Socket & /*socket*/, |
| bool /*shutdown_gracefully*/) { |
| // If there are any requests in flight from threads other than us, then it's |
| // a thread-unsafe race because individual ssl* objects are not thread-safe. |
| assert(socket_requests_in_flight_ == 0 || |
| socket_requests_are_from_thread_ == std::this_thread::get_id()); |
| } |
| |
| inline void ClientImpl::shutdown_socket(Socket &socket) { |
| if (socket.sock == INVALID_SOCKET) { return; } |
| detail::shutdown_socket(socket.sock); |
| } |
| |
| inline void ClientImpl::close_socket(Socket &socket) { |
| // If there are requests in flight in another thread, usually closing |
| // the socket will be fine and they will simply receive an error when |
| // using the closed socket, but it is still a bug since rarely the OS |
| // may reassign the socket id to be used for a new socket, and then |
| // suddenly they will be operating on a live socket that is different |
| // than the one they intended! |
| assert(socket_requests_in_flight_ == 0 || |
| socket_requests_are_from_thread_ == std::this_thread::get_id()); |
| |
| // It is also a bug if this happens while SSL is still active |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| assert(socket.ssl == nullptr); |
| #endif |
| if (socket.sock == INVALID_SOCKET) { return; } |
| detail::close_socket(socket.sock); |
| socket.sock = INVALID_SOCKET; |
| } |
| |
| inline bool ClientImpl::read_response_line(Stream &strm, const Request &req, |
| Response &res) { |
| std::array<char, 2048> buf{}; |
| |
| detail::stream_line_reader line_reader(strm, buf.data(), buf.size()); |
| |
| if (!line_reader.getline()) { return false; } |
| |
| #ifdef CPPHTTPLIB_ALLOW_LF_AS_LINE_TERMINATOR |
| const static std::regex re("(HTTP/1\\.[01]) (\\d{3})(?: (.*?))?\r\n"); |
| #else |
| const static std::regex re("(HTTP/1\\.[01]) (\\d{3})(?: (.*?))?\r?\n"); |
| #endif |
| |
| std::cmatch m; |
| if (!std::regex_match(line_reader.ptr(), m, re)) { |
| return req.method == "CONNECT"; |
| } |
| res.version = std::string(m[1]); |
| res.status = std::stoi(std::string(m[2])); |
| res.reason = std::string(m[3]); |
| |
| // Ignore '100 Continue' |
| while (res.status == 100) { |
| if (!line_reader.getline()) { return false; } // CRLF |
| if (!line_reader.getline()) { return false; } // next response line |
| |
| if (!std::regex_match(line_reader.ptr(), m, re)) { return false; } |
| res.version = std::string(m[1]); |
| res.status = std::stoi(std::string(m[2])); |
| res.reason = std::string(m[3]); |
| } |
| |
| return true; |
| } |
| |
| inline bool ClientImpl::send(Request &req, Response &res, Error &error) { |
| std::lock_guard<std::recursive_mutex> request_mutex_guard(request_mutex_); |
| auto ret = send_(req, res, error); |
| if (error == Error::SSLPeerCouldBeClosed_) { |
| assert(!ret); |
| ret = send_(req, res, error); |
| } |
| return ret; |
| } |
| |
| inline bool ClientImpl::send_(Request &req, Response &res, Error &error) { |
| { |
| std::lock_guard<std::mutex> guard(socket_mutex_); |
| |
| // Set this to false immediately - if it ever gets set to true by the end of |
| // the request, we know another thread instructed us to close the socket. |
| socket_should_be_closed_when_request_is_done_ = false; |
| |
| auto is_alive = false; |
| if (socket_.is_open()) { |
| is_alive = detail::is_socket_alive(socket_.sock); |
| if (!is_alive) { |
| // Attempt to avoid sigpipe by shutting down nongracefully if it seems |
| // like the other side has already closed the connection Also, there |
| // cannot be any requests in flight from other threads since we locked |
| // request_mutex_, so safe to close everything immediately |
| const bool shutdown_gracefully = false; |
| shutdown_ssl(socket_, shutdown_gracefully); |
| shutdown_socket(socket_); |
| close_socket(socket_); |
| } |
| } |
| |
| if (!is_alive) { |
| if (!create_and_connect_socket(socket_, error)) { return false; } |
| |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| // TODO: refactoring |
| if (is_ssl()) { |
| auto &scli = static_cast<SSLClient &>(*this); |
| if (!proxy_host_.empty() && proxy_port_ != -1) { |
| auto success = false; |
| if (!scli.connect_with_proxy(socket_, res, success, error)) { |
| return success; |
| } |
| } |
| |
| if (!scli.initialize_ssl(socket_, error)) { return false; } |
| } |
| #endif |
| } |
| |
| // Mark the current socket as being in use so that it cannot be closed by |
| // anyone else while this request is ongoing, even though we will be |
| // releasing the mutex. |
| if (socket_requests_in_flight_ > 1) { |
| assert(socket_requests_are_from_thread_ == std::this_thread::get_id()); |
| } |
| socket_requests_in_flight_ += 1; |
| socket_requests_are_from_thread_ = std::this_thread::get_id(); |
| } |
| |
| for (const auto &header : default_headers_) { |
| if (req.headers.find(header.first) == req.headers.end()) { |
| req.headers.insert(header); |
| } |
| } |
| |
| auto ret = false; |
| auto close_connection = !keep_alive_; |
| |
| auto se = detail::scope_exit([&]() { |
| // Briefly lock mutex in order to mark that a request is no longer ongoing |
| std::lock_guard<std::mutex> guard(socket_mutex_); |
| socket_requests_in_flight_ -= 1; |
| if (socket_requests_in_flight_ <= 0) { |
| assert(socket_requests_in_flight_ == 0); |
| socket_requests_are_from_thread_ = std::thread::id(); |
| } |
| |
| if (socket_should_be_closed_when_request_is_done_ || close_connection || |
| !ret) { |
| shutdown_ssl(socket_, true); |
| shutdown_socket(socket_); |
| close_socket(socket_); |
| } |
| }); |
| |
| ret = process_socket(socket_, [&](Stream &strm) { |
| return handle_request(strm, req, res, close_connection, error); |
| }); |
| |
| if (!ret) { |
| if (error == Error::Success) { error = Error::Unknown; } |
| } |
| |
| return ret; |
| } |
| |
| inline Result ClientImpl::send(const Request &req) { |
| auto req2 = req; |
| return send_(std::move(req2)); |
| } |
| |
| inline Result ClientImpl::send_(Request &&req) { |
| auto res = detail::make_unique<Response>(); |
| auto error = Error::Success; |
| auto ret = send(req, *res, error); |
| return Result{ret ? std::move(res) : nullptr, error, std::move(req.headers)}; |
| } |
| |
| inline bool ClientImpl::handle_request(Stream &strm, Request &req, |
| Response &res, bool close_connection, |
| Error &error) { |
| if (req.path.empty()) { |
| error = Error::Connection; |
| return false; |
| } |
| |
| auto req_save = req; |
| |
| bool ret; |
| |
| if (!is_ssl() && !proxy_host_.empty() && proxy_port_ != -1) { |
| auto req2 = req; |
| req2.path = "http://" + host_and_port_ + req.path; |
| ret = process_request(strm, req2, res, close_connection, error); |
| req = req2; |
| req.path = req_save.path; |
| } else { |
| ret = process_request(strm, req, res, close_connection, error); |
| } |
| |
| if (!ret) { return false; } |
| |
| if (res.get_header_value("Connection") == "close" || |
| (res.version == "HTTP/1.0" && res.reason != "Connection established")) { |
| // TODO this requires a not-entirely-obvious chain of calls to be correct |
| // for this to be safe. |
| |
| // This is safe to call because handle_request is only called by send_ |
| // which locks the request mutex during the process. It would be a bug |
| // to call it from a different thread since it's a thread-safety issue |
| // to do these things to the socket if another thread is using the socket. |
| std::lock_guard<std::mutex> guard(socket_mutex_); |
| shutdown_ssl(socket_, true); |
| shutdown_socket(socket_); |
| close_socket(socket_); |
| } |
| |
| if (300 < res.status && res.status < 400 && follow_location_) { |
| req = req_save; |
| ret = redirect(req, res, error); |
| } |
| |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| if ((res.status == 401 || res.status == 407) && |
| req.authorization_count_ < 5) { |
| auto is_proxy = res.status == 407; |
| const auto &username = |
| is_proxy ? proxy_digest_auth_username_ : digest_auth_username_; |
| const auto &password = |
| is_proxy ? proxy_digest_auth_password_ : digest_auth_password_; |
| |
| if (!username.empty() && !password.empty()) { |
| std::map<std::string, std::string> auth; |
| if (detail::parse_www_authenticate(res, auth, is_proxy)) { |
| Request new_req = req; |
| new_req.authorization_count_ += 1; |
| new_req.headers.erase(is_proxy ? "Proxy-Authorization" |
| : "Authorization"); |
| new_req.headers.insert(detail::make_digest_authentication_header( |
| req, auth, new_req.authorization_count_, detail::random_string(10), |
| username, password, is_proxy)); |
| |
| Response new_res; |
| |
| ret = send(new_req, new_res, error); |
| if (ret) { res = new_res; } |
| } |
| } |
| } |
| #endif |
| |
| return ret; |
| } |
| |
| inline bool ClientImpl::redirect(Request &req, Response &res, Error &error) { |
| if (req.redirect_count_ == 0) { |
| error = Error::ExceedRedirectCount; |
| return false; |
| } |
| |
| auto location = res.get_header_value("location"); |
| if (location.empty()) { return false; } |
| |
| const static std::regex re( |
| R"((?:(https?):)?(?://(?:\[([\d:]+)\]|([^:/?#]+))(?::(\d+))?)?([^?#]*)(\?[^#]*)?(?:#.*)?)"); |
| |
| std::smatch m; |
| if (!std::regex_match(location, m, re)) { return false; } |
| |
| auto scheme = is_ssl() ? "https" : "http"; |
| |
| auto next_scheme = m[1].str(); |
| auto next_host = m[2].str(); |
| if (next_host.empty()) { next_host = m[3].str(); } |
| auto port_str = m[4].str(); |
| auto next_path = m[5].str(); |
| auto next_query = m[6].str(); |
| |
| auto next_port = port_; |
| if (!port_str.empty()) { |
| next_port = std::stoi(port_str); |
| } else if (!next_scheme.empty()) { |
| next_port = next_scheme == "https" ? 443 : 80; |
| } |
| |
| if (next_scheme.empty()) { next_scheme = scheme; } |
| if (next_host.empty()) { next_host = host_; } |
| if (next_path.empty()) { next_path = "/"; } |
| |
| auto path = detail::decode_url(next_path, true) + next_query; |
| |
| if (next_scheme == scheme && next_host == host_ && next_port == port_) { |
| return detail::redirect(*this, req, res, path, location, error); |
| } else { |
| if (next_scheme == "https") { |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| SSLClient cli(next_host.c_str(), next_port); |
| cli.copy_settings(*this); |
| if (ca_cert_store_) { cli.set_ca_cert_store(ca_cert_store_); } |
| return detail::redirect(cli, req, res, path, location, error); |
| #else |
| return false; |
| #endif |
| } else { |
| ClientImpl cli(next_host.c_str(), next_port); |
| cli.copy_settings(*this); |
| return detail::redirect(cli, req, res, path, location, error); |
| } |
| } |
| } |
| |
| inline bool ClientImpl::write_content_with_provider(Stream &strm, |
| const Request &req, |
| Error &error) { |
| auto is_shutting_down = []() { return false; }; |
| |
| if (req.is_chunked_content_provider_) { |
| // TODO: Brotli support |
| std::unique_ptr<detail::compressor> compressor; |
| #ifdef CPPHTTPLIB_ZLIB_SUPPORT |
| if (compress_) { |
| compressor = detail::make_unique<detail::gzip_compressor>(); |
| } else |
| #endif |
| { |
| compressor = detail::make_unique<detail::nocompressor>(); |
| } |
| |
| return detail::write_content_chunked(strm, req.content_provider_, |
| is_shutting_down, *compressor, error); |
| } else { |
| return detail::write_content(strm, req.content_provider_, 0, |
| req.content_length_, is_shutting_down, error); |
| } |
| } |
| |
| inline bool ClientImpl::write_request(Stream &strm, Request &req, |
| bool close_connection, Error &error) { |
| // Prepare additional headers |
| if (close_connection) { |
| if (!req.has_header("Connection")) { |
| req.set_header("Connection", "close"); |
| } |
| } |
| |
| if (!req.has_header("Host")) { |
| if (is_ssl()) { |
| if (port_ == 443) { |
| req.set_header("Host", host_); |
| } else { |
| req.set_header("Host", host_and_port_); |
| } |
| } else { |
| if (port_ == 80) { |
| req.set_header("Host", host_); |
| } else { |
| req.set_header("Host", host_and_port_); |
| } |
| } |
| } |
| |
| if (!req.has_header("Accept")) { req.set_header("Accept", "*/*"); } |
| |
| #ifndef CPPHTTPLIB_NO_DEFAULT_USER_AGENT |
| if (!req.has_header("User-Agent")) { |
| auto agent = std::string("cpp-httplib/") + CPPHTTPLIB_VERSION; |
| req.set_header("User-Agent", agent); |
| } |
| #endif |
| |
| if (req.body.empty()) { |
| if (req.content_provider_) { |
| if (!req.is_chunked_content_provider_) { |
| if (!req.has_header("Content-Length")) { |
| auto length = std::to_string(req.content_length_); |
| req.set_header("Content-Length", length); |
| } |
| } |
| } else { |
| if (req.method == "POST" || req.method == "PUT" || |
| req.method == "PATCH") { |
| req.set_header("Content-Length", "0"); |
| } |
| } |
| } else { |
| if (!req.has_header("Content-Type")) { |
| req.set_header("Content-Type", "text/plain"); |
| } |
| |
| if (!req.has_header("Content-Length")) { |
| auto length = std::to_string(req.body.size()); |
| req.set_header("Content-Length", length); |
| } |
| } |
| |
| if (!basic_auth_password_.empty() || !basic_auth_username_.empty()) { |
| if (!req.has_header("Authorization")) { |
| req.headers.insert(make_basic_authentication_header( |
| basic_auth_username_, basic_auth_password_, false)); |
| } |
| } |
| |
| if (!proxy_basic_auth_username_.empty() && |
| !proxy_basic_auth_password_.empty()) { |
| if (!req.has_header("Proxy-Authorization")) { |
| req.headers.insert(make_basic_authentication_header( |
| proxy_basic_auth_username_, proxy_basic_auth_password_, true)); |
| } |
| } |
| |
| if (!bearer_token_auth_token_.empty()) { |
| if (!req.has_header("Authorization")) { |
| req.headers.insert(make_bearer_token_authentication_header( |
| bearer_token_auth_token_, false)); |
| } |
| } |
| |
| if (!proxy_bearer_token_auth_token_.empty()) { |
| if (!req.has_header("Proxy-Authorization")) { |
| req.headers.insert(make_bearer_token_authentication_header( |
| proxy_bearer_token_auth_token_, true)); |
| } |
| } |
| |
| // Request line and headers |
| { |
| detail::BufferStream bstrm; |
| |
| const auto &path = url_encode_ ? detail::encode_url(req.path) : req.path; |
| bstrm.write_format("%s %s HTTP/1.1\r\n", req.method.c_str(), path.c_str()); |
| |
| detail::write_headers(bstrm, req.headers); |
| |
| // Flush buffer |
| auto &data = bstrm.get_buffer(); |
| if (!detail::write_data(strm, data.data(), data.size())) { |
| error = Error::Write; |
| return false; |
| } |
| } |
| |
| // Body |
| if (req.body.empty()) { |
| return write_content_with_provider(strm, req, error); |
| } |
| |
| if (!detail::write_data(strm, req.body.data(), req.body.size())) { |
| error = Error::Write; |
| return false; |
| } |
| |
| return true; |
| } |
| |
| inline std::unique_ptr<Response> ClientImpl::send_with_content_provider( |
| Request &req, const char *body, size_t content_length, |
| ContentProvider content_provider, |
| ContentProviderWithoutLength content_provider_without_length, |
| const std::string &content_type, Error &error) { |
| if (!content_type.empty()) { req.set_header("Content-Type", content_type); } |
| |
| #ifdef CPPHTTPLIB_ZLIB_SUPPORT |
| if (compress_) { req.set_header("Content-Encoding", "gzip"); } |
| #endif |
| |
| #ifdef CPPHTTPLIB_ZLIB_SUPPORT |
| if (compress_ && !content_provider_without_length) { |
| // TODO: Brotli support |
| detail::gzip_compressor compressor; |
| |
| if (content_provider) { |
| auto ok = true; |
| size_t offset = 0; |
| DataSink data_sink; |
| |
| data_sink.write = [&](const char *data, size_t data_len) -> bool { |
| if (ok) { |
| auto last = offset + data_len == content_length; |
| |
| auto ret = compressor.compress( |
| data, data_len, last, |
| [&](const char *compressed_data, size_t compressed_data_len) { |
| req.body.append(compressed_data, compressed_data_len); |
| return true; |
| }); |
| |
| if (ret) { |
| offset += data_len; |
| } else { |
| ok = false; |
| } |
| } |
| return ok; |
| }; |
| |
| while (ok && offset < content_length) { |
| if (!content_provider(offset, content_length - offset, data_sink)) { |
| error = Error::Canceled; |
| return nullptr; |
| } |
| } |
| } else { |
| if (!compressor.compress(body, content_length, true, |
| [&](const char *data, size_t data_len) { |
| req.body.append(data, data_len); |
| return true; |
| })) { |
| error = Error::Compression; |
| return nullptr; |
| } |
| } |
| } else |
| #endif |
| { |
| if (content_provider) { |
| req.content_length_ = content_length; |
| req.content_provider_ = std::move(content_provider); |
| req.is_chunked_content_provider_ = false; |
| } else if (content_provider_without_length) { |
| req.content_length_ = 0; |
| req.content_provider_ = detail::ContentProviderAdapter( |
| std::move(content_provider_without_length)); |
| req.is_chunked_content_provider_ = true; |
| req.set_header("Transfer-Encoding", "chunked"); |
| } else { |
| req.body.assign(body, content_length); |
| } |
| } |
| |
| auto res = detail::make_unique<Response>(); |
| return send(req, *res, error) ? std::move(res) : nullptr; |
| } |
| |
| inline Result ClientImpl::send_with_content_provider( |
| const std::string &method, const std::string &path, const Headers &headers, |
| const char *body, size_t content_length, ContentProvider content_provider, |
| ContentProviderWithoutLength content_provider_without_length, |
| const std::string &content_type) { |
| Request req; |
| req.method = method; |
| req.headers = headers; |
| req.path = path; |
| |
| auto error = Error::Success; |
| |
| auto res = send_with_content_provider( |
| req, body, content_length, std::move(content_provider), |
| std::move(content_provider_without_length), content_type, error); |
| |
| return Result{std::move(res), error, std::move(req.headers)}; |
| } |
| |
| inline std::string |
| ClientImpl::adjust_host_string(const std::string &host) const { |
| if (host.find(':') != std::string::npos) { return "[" + host + "]"; } |
| return host; |
| } |
| |
| inline bool ClientImpl::process_request(Stream &strm, Request &req, |
| Response &res, bool close_connection, |
| Error &error) { |
| // Send request |
| if (!write_request(strm, req, close_connection, error)) { return false; } |
| |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| if (is_ssl()) { |
| auto is_proxy_enabled = !proxy_host_.empty() && proxy_port_ != -1; |
| if (!is_proxy_enabled) { |
| char buf[1]; |
| if (SSL_peek(socket_.ssl, buf, 1) == 0 && |
| SSL_get_error(socket_.ssl, 0) == SSL_ERROR_ZERO_RETURN) { |
| error = Error::SSLPeerCouldBeClosed_; |
| return false; |
| } |
| } |
| } |
| #endif |
| |
| // Receive response and headers |
| if (!read_response_line(strm, req, res) || |
| !detail::read_headers(strm, res.headers)) { |
| error = Error::Read; |
| return false; |
| } |
| |
| // Body |
| if ((res.status != 204) && req.method != "HEAD" && req.method != "CONNECT") { |
| auto redirect = 300 < res.status && res.status < 400 && follow_location_; |
| |
| if (req.response_handler && !redirect) { |
| if (!req.response_handler(res)) { |
| error = Error::Canceled; |
| return false; |
| } |
| } |
| |
| auto out = |
| req.content_receiver |
| ? static_cast<ContentReceiverWithProgress>( |
| [&](const char *buf, size_t n, uint64_t off, uint64_t len) { |
| if (redirect) { return true; } |
| auto ret = req.content_receiver(buf, n, off, len); |
| if (!ret) { error = Error::Canceled; } |
| return ret; |
| }) |
| : static_cast<ContentReceiverWithProgress>( |
| [&](const char *buf, size_t n, uint64_t /*off*/, |
| uint64_t /*len*/) { |
| if (res.body.size() + n > res.body.max_size()) { |
| return false; |
| } |
| res.body.append(buf, n); |
| return true; |
| }); |
| |
| auto progress = [&](uint64_t current, uint64_t total) { |
| if (!req.progress || redirect) { return true; } |
| auto ret = req.progress(current, total); |
| if (!ret) { error = Error::Canceled; } |
| return ret; |
| }; |
| |
| int dummy_status; |
| if (!detail::read_content(strm, res, (std::numeric_limits<size_t>::max)(), |
| dummy_status, std::move(progress), std::move(out), |
| decompress_)) { |
| if (error != Error::Canceled) { error = Error::Read; } |
| return false; |
| } |
| } |
| |
| // Log |
| if (logger_) { logger_(req, res); } |
| |
| return true; |
| } |
| |
| inline ContentProviderWithoutLength ClientImpl::get_multipart_content_provider( |
| const std::string &boundary, const MultipartFormDataItems &items, |
| const MultipartFormDataProviderItems &provider_items) { |
| size_t cur_item = 0, cur_start = 0; |
| // cur_item and cur_start are copied to within the std::function and maintain |
| // state between successive calls |
| return [&, cur_item, cur_start](size_t offset, |
| DataSink &sink) mutable -> bool { |
| if (!offset && items.size()) { |
| sink.os << detail::serialize_multipart_formdata(items, boundary, false); |
| return true; |
| } else if (cur_item < provider_items.size()) { |
| if (!cur_start) { |
| const auto &begin = detail::serialize_multipart_formdata_item_begin( |
| provider_items[cur_item], boundary); |
| offset += begin.size(); |
| cur_start = offset; |
| sink.os << begin; |
| } |
| |
| DataSink cur_sink; |
| bool has_data = true; |
| cur_sink.write = sink.write; |
| cur_sink.done = [&]() { has_data = false; }; |
| |
| if (!provider_items[cur_item].provider(offset - cur_start, cur_sink)) |
| return false; |
| |
| if (!has_data) { |
| sink.os << detail::serialize_multipart_formdata_item_end(); |
| cur_item++; |
| cur_start = 0; |
| } |
| return true; |
| } else { |
| sink.os << detail::serialize_multipart_formdata_finish(boundary); |
| sink.done(); |
| return true; |
| } |
| }; |
| } |
| |
| inline bool |
| ClientImpl::process_socket(const Socket &socket, |
| std::function<bool(Stream &strm)> callback) { |
| return detail::process_client_socket( |
| socket.sock, read_timeout_sec_, read_timeout_usec_, write_timeout_sec_, |
| write_timeout_usec_, std::move(callback)); |
| } |
| |
| inline bool ClientImpl::is_ssl() const { return false; } |
| |
| inline Result ClientImpl::Get(const std::string &path) { |
| return Get(path, Headers(), Progress()); |
| } |
| |
| inline Result ClientImpl::Get(const std::string &path, Progress progress) { |
| return Get(path, Headers(), std::move(progress)); |
| } |
| |
| inline Result ClientImpl::Get(const std::string &path, const Headers &headers) { |
| return Get(path, headers, Progress()); |
| } |
| |
| inline Result ClientImpl::Get(const std::string &path, const Headers &headers, |
| Progress progress) { |
| Request req; |
| req.method = "GET"; |
| req.path = path; |
| req.headers = headers; |
| req.progress = std::move(progress); |
| |
| return send_(std::move(req)); |
| } |
| |
| inline Result ClientImpl::Get(const std::string &path, |
| ContentReceiver content_receiver) { |
| return Get(path, Headers(), nullptr, std::move(content_receiver), nullptr); |
| } |
| |
| inline Result ClientImpl::Get(const std::string &path, |
| ContentReceiver content_receiver, |
| Progress progress) { |
| return Get(path, Headers(), nullptr, std::move(content_receiver), |
| std::move(progress)); |
| } |
| |
| inline Result ClientImpl::Get(const std::string &path, const Headers &headers, |
| ContentReceiver content_receiver) { |
| return Get(path, headers, nullptr, std::move(content_receiver), nullptr); |
| } |
| |
| inline Result ClientImpl::Get(const std::string &path, const Headers &headers, |
| ContentReceiver content_receiver, |
| Progress progress) { |
| return Get(path, headers, nullptr, std::move(content_receiver), |
| std::move(progress)); |
| } |
| |
| inline Result ClientImpl::Get(const std::string &path, |
| ResponseHandler response_handler, |
| ContentReceiver content_receiver) { |
| return Get(path, Headers(), std::move(response_handler), |
| std::move(content_receiver), nullptr); |
| } |
| |
| inline Result ClientImpl::Get(const std::string &path, const Headers &headers, |
| ResponseHandler response_handler, |
| ContentReceiver content_receiver) { |
| return Get(path, headers, std::move(response_handler), |
| std::move(content_receiver), nullptr); |
| } |
| |
| inline Result ClientImpl::Get(const std::string &path, |
| ResponseHandler response_handler, |
| ContentReceiver content_receiver, |
| Progress progress) { |
| return Get(path, Headers(), std::move(response_handler), |
| std::move(content_receiver), std::move(progress)); |
| } |
| |
| inline Result ClientImpl::Get(const std::string &path, const Headers &headers, |
| ResponseHandler response_handler, |
| ContentReceiver content_receiver, |
| Progress progress) { |
| Request req; |
| req.method = "GET"; |
| req.path = path; |
| req.headers = headers; |
| req.response_handler = std::move(response_handler); |
| req.content_receiver = |
| [content_receiver](const char *data, size_t data_length, |
| uint64_t /*offset*/, uint64_t /*total_length*/) { |
| return content_receiver(data, data_length); |
| }; |
| req.progress = std::move(progress); |
| |
| return send_(std::move(req)); |
| } |
| |
| inline Result ClientImpl::Get(const std::string &path, const Params ¶ms, |
| const Headers &headers, Progress progress) { |
| if (params.empty()) { return Get(path, headers); } |
| |
| std::string path_with_query = append_query_params(path, params); |
| return Get(path_with_query.c_str(), headers, progress); |
| } |
| |
| inline Result ClientImpl::Get(const std::string &path, const Params ¶ms, |
| const Headers &headers, |
| ContentReceiver content_receiver, |
| Progress progress) { |
| return Get(path, params, headers, nullptr, content_receiver, progress); |
| } |
| |
| inline Result ClientImpl::Get(const std::string &path, const Params ¶ms, |
| const Headers &headers, |
| ResponseHandler response_handler, |
| ContentReceiver content_receiver, |
| Progress progress) { |
| if (params.empty()) { |
| return Get(path, headers, response_handler, content_receiver, progress); |
| } |
| |
| std::string path_with_query = append_query_params(path, params); |
| return Get(path_with_query.c_str(), headers, response_handler, |
| content_receiver, progress); |
| } |
| |
| inline Result ClientImpl::Head(const std::string &path) { |
| return Head(path, Headers()); |
| } |
| |
| inline Result ClientImpl::Head(const std::string &path, |
| const Headers &headers) { |
| Request req; |
| req.method = "HEAD"; |
| req.headers = headers; |
| req.path = path; |
| |
| return send_(std::move(req)); |
| } |
| |
| inline Result ClientImpl::Post(const std::string &path) { |
| return Post(path, std::string(), std::string()); |
| } |
| |
| inline Result ClientImpl::Post(const std::string &path, |
| const Headers &headers) { |
| return Post(path, headers, nullptr, 0, std::string()); |
| } |
| |
| inline Result ClientImpl::Post(const std::string &path, const char *body, |
| size_t content_length, |
| const std::string &content_type) { |
| return Post(path, Headers(), body, content_length, content_type); |
| } |
| |
| inline Result ClientImpl::Post(const std::string &path, const Headers &headers, |
| const char *body, size_t content_length, |
| const std::string &content_type) { |
| return send_with_content_provider("POST", path, headers, body, content_length, |
| nullptr, nullptr, content_type); |
| } |
| |
| inline Result ClientImpl::Post(const std::string &path, const std::string &body, |
| const std::string &content_type) { |
| return Post(path, Headers(), body, content_type); |
| } |
| |
| inline Result ClientImpl::Post(const std::string &path, const Headers &headers, |
| const std::string &body, |
| const std::string &content_type) { |
| return send_with_content_provider("POST", path, headers, body.data(), |
| body.size(), nullptr, nullptr, |
| content_type); |
| } |
| |
| inline Result ClientImpl::Post(const std::string &path, const Params ¶ms) { |
| return Post(path, Headers(), params); |
| } |
| |
| inline Result ClientImpl::Post(const std::string &path, size_t content_length, |
| ContentProvider content_provider, |
| const std::string &content_type) { |
| return Post(path, Headers(), content_length, std::move(content_provider), |
| content_type); |
| } |
| |
| inline Result ClientImpl::Post(const std::string &path, |
| ContentProviderWithoutLength content_provider, |
| const std::string &content_type) { |
| return Post(path, Headers(), std::move(content_provider), content_type); |
| } |
| |
| inline Result ClientImpl::Post(const std::string &path, const Headers &headers, |
| size_t content_length, |
| ContentProvider content_provider, |
| const std::string &content_type) { |
| return send_with_content_provider("POST", path, headers, nullptr, |
| content_length, std::move(content_provider), |
| nullptr, content_type); |
| } |
| |
| inline Result ClientImpl::Post(const std::string &path, const Headers &headers, |
| ContentProviderWithoutLength content_provider, |
| const std::string &content_type) { |
| return send_with_content_provider("POST", path, headers, nullptr, 0, nullptr, |
| std::move(content_provider), content_type); |
| } |
| |
| inline Result ClientImpl::Post(const std::string &path, const Headers &headers, |
| const Params ¶ms) { |
| auto query = detail::params_to_query_str(params); |
| return Post(path, headers, query, "application/x-www-form-urlencoded"); |
| } |
| |
| inline Result ClientImpl::Post(const std::string &path, |
| const MultipartFormDataItems &items) { |
| return Post(path, Headers(), items); |
| } |
| |
| inline Result ClientImpl::Post(const std::string &path, const Headers &headers, |
| const MultipartFormDataItems &items) { |
| const auto &boundary = detail::make_multipart_data_boundary(); |
| const auto &content_type = |
| detail::serialize_multipart_formdata_get_content_type(boundary); |
| const auto &body = detail::serialize_multipart_formdata(items, boundary); |
| return Post(path, headers, body, content_type.c_str()); |
| } |
| |
| inline Result ClientImpl::Post(const std::string &path, const Headers &headers, |
| const MultipartFormDataItems &items, |
| const std::string &boundary) { |
| if (!detail::is_multipart_boundary_chars_valid(boundary)) { |
| return Result{nullptr, Error::UnsupportedMultipartBoundaryChars}; |
| } |
| |
| const auto &content_type = |
| detail::serialize_multipart_formdata_get_content_type(boundary); |
| const auto &body = detail::serialize_multipart_formdata(items, boundary); |
| return Post(path, headers, body, content_type.c_str()); |
| } |
| |
| inline Result |
| ClientImpl::Post(const std::string &path, const Headers &headers, |
| const MultipartFormDataItems &items, |
| const MultipartFormDataProviderItems &provider_items) { |
| const auto &boundary = detail::make_multipart_data_boundary(); |
| const auto &content_type = |
| detail::serialize_multipart_formdata_get_content_type(boundary); |
| return send_with_content_provider( |
| "POST", path, headers, nullptr, 0, nullptr, |
| get_multipart_content_provider(boundary, items, provider_items), |
| content_type); |
| } |
| |
| inline Result ClientImpl::Put(const std::string &path) { |
| return Put(path, std::string(), std::string()); |
| } |
| |
| inline Result ClientImpl::Put(const std::string &path, const char *body, |
| size_t content_length, |
| const std::string &content_type) { |
| return Put(path, Headers(), body, content_length, content_type); |
| } |
| |
| inline Result ClientImpl::Put(const std::string &path, const Headers &headers, |
| const char *body, size_t content_length, |
| const std::string &content_type) { |
| return send_with_content_provider("PUT", path, headers, body, content_length, |
| nullptr, nullptr, content_type); |
| } |
| |
| inline Result ClientImpl::Put(const std::string &path, const std::string &body, |
| const std::string &content_type) { |
| return Put(path, Headers(), body, content_type); |
| } |
| |
| inline Result ClientImpl::Put(const std::string &path, const Headers &headers, |
| const std::string &body, |
| const std::string &content_type) { |
| return send_with_content_provider("PUT", path, headers, body.data(), |
| body.size(), nullptr, nullptr, |
| content_type); |
| } |
| |
| inline Result ClientImpl::Put(const std::string &path, size_t content_length, |
| ContentProvider content_provider, |
| const std::string &content_type) { |
| return Put(path, Headers(), content_length, std::move(content_provider), |
| content_type); |
| } |
| |
| inline Result ClientImpl::Put(const std::string &path, |
| ContentProviderWithoutLength content_provider, |
| const std::string &content_type) { |
| return Put(path, Headers(), std::move(content_provider), content_type); |
| } |
| |
| inline Result ClientImpl::Put(const std::string &path, const Headers &headers, |
| size_t content_length, |
| ContentProvider content_provider, |
| const std::string &content_type) { |
| return send_with_content_provider("PUT", path, headers, nullptr, |
| content_length, std::move(content_provider), |
| nullptr, content_type); |
| } |
| |
| inline Result ClientImpl::Put(const std::string &path, const Headers &headers, |
| ContentProviderWithoutLength content_provider, |
| const std::string &content_type) { |
| return send_with_content_provider("PUT", path, headers, nullptr, 0, nullptr, |
| std::move(content_provider), content_type); |
| } |
| |
| inline Result ClientImpl::Put(const std::string &path, const Params ¶ms) { |
| return Put(path, Headers(), params); |
| } |
| |
| inline Result ClientImpl::Put(const std::string &path, const Headers &headers, |
| const Params ¶ms) { |
| auto query = detail::params_to_query_str(params); |
| return Put(path, headers, query, "application/x-www-form-urlencoded"); |
| } |
| |
| inline Result ClientImpl::Put(const std::string &path, |
| const MultipartFormDataItems &items) { |
| return Put(path, Headers(), items); |
| } |
| |
| inline Result ClientImpl::Put(const std::string &path, const Headers &headers, |
| const MultipartFormDataItems &items) { |
| const auto &boundary = detail::make_multipart_data_boundary(); |
| const auto &content_type = |
| detail::serialize_multipart_formdata_get_content_type(boundary); |
| const auto &body = detail::serialize_multipart_formdata(items, boundary); |
| return Put(path, headers, body, content_type); |
| } |
| |
| inline Result ClientImpl::Put(const std::string &path, const Headers &headers, |
| const MultipartFormDataItems &items, |
| const std::string &boundary) { |
| if (!detail::is_multipart_boundary_chars_valid(boundary)) { |
| return Result{nullptr, Error::UnsupportedMultipartBoundaryChars}; |
| } |
| |
| const auto &content_type = |
| detail::serialize_multipart_formdata_get_content_type(boundary); |
| const auto &body = detail::serialize_multipart_formdata(items, boundary); |
| return Put(path, headers, body, content_type); |
| } |
| |
| inline Result |
| ClientImpl::Put(const std::string &path, const Headers &headers, |
| const MultipartFormDataItems &items, |
| const MultipartFormDataProviderItems &provider_items) { |
| const auto &boundary = detail::make_multipart_data_boundary(); |
| const auto &content_type = |
| detail::serialize_multipart_formdata_get_content_type(boundary); |
| return send_with_content_provider( |
| "PUT", path, headers, nullptr, 0, nullptr, |
| get_multipart_content_provider(boundary, items, provider_items), |
| content_type); |
| } |
| inline Result ClientImpl::Patch(const std::string &path) { |
| return Patch(path, std::string(), std::string()); |
| } |
| |
| inline Result ClientImpl::Patch(const std::string &path, const char *body, |
| size_t content_length, |
| const std::string &content_type) { |
| return Patch(path, Headers(), body, content_length, content_type); |
| } |
| |
| inline Result ClientImpl::Patch(const std::string &path, const Headers &headers, |
| const char *body, size_t content_length, |
| const std::string &content_type) { |
| return send_with_content_provider("PATCH", path, headers, body, |
| content_length, nullptr, nullptr, |
| content_type); |
| } |
| |
| inline Result ClientImpl::Patch(const std::string &path, |
| const std::string &body, |
| const std::string &content_type) { |
| return Patch(path, Headers(), body, content_type); |
| } |
| |
| inline Result ClientImpl::Patch(const std::string &path, const Headers &headers, |
| const std::string &body, |
| const std::string &content_type) { |
| return send_with_content_provider("PATCH", path, headers, body.data(), |
| body.size(), nullptr, nullptr, |
| content_type); |
| } |
| |
| inline Result ClientImpl::Patch(const std::string &path, size_t content_length, |
| ContentProvider content_provider, |
| const std::string &content_type) { |
| return Patch(path, Headers(), content_length, std::move(content_provider), |
| content_type); |
| } |
| |
| inline Result ClientImpl::Patch(const std::string &path, |
| ContentProviderWithoutLength content_provider, |
| const std::string &content_type) { |
| return Patch(path, Headers(), std::move(content_provider), content_type); |
| } |
| |
| inline Result ClientImpl::Patch(const std::string &path, const Headers &headers, |
| size_t content_length, |
| ContentProvider content_provider, |
| const std::string &content_type) { |
| return send_with_content_provider("PATCH", path, headers, nullptr, |
| content_length, std::move(content_provider), |
| nullptr, content_type); |
| } |
| |
| inline Result ClientImpl::Patch(const std::string &path, const Headers &headers, |
| ContentProviderWithoutLength content_provider, |
| const std::string &content_type) { |
| return send_with_content_provider("PATCH", path, headers, nullptr, 0, nullptr, |
| std::move(content_provider), content_type); |
| } |
| |
| inline Result ClientImpl::Delete(const std::string &path) { |
| return Delete(path, Headers(), std::string(), std::string()); |
| } |
| |
| inline Result ClientImpl::Delete(const std::string &path, |
| const Headers &headers) { |
| return Delete(path, headers, std::string(), std::string()); |
| } |
| |
| inline Result ClientImpl::Delete(const std::string &path, const char *body, |
| size_t content_length, |
| const std::string &content_type) { |
| return Delete(path, Headers(), body, content_length, content_type); |
| } |
| |
| inline Result ClientImpl::Delete(const std::string &path, |
| const Headers &headers, const char *body, |
| size_t content_length, |
| const std::string &content_type) { |
| Request req; |
| req.method = "DELETE"; |
| req.headers = headers; |
| req.path = path; |
| |
| if (!content_type.empty()) { req.set_header("Content-Type", content_type); } |
| req.body.assign(body, content_length); |
| |
| return send_(std::move(req)); |
| } |
| |
| inline Result ClientImpl::Delete(const std::string &path, |
| const std::string &body, |
| const std::string &content_type) { |
| return Delete(path, Headers(), body.data(), body.size(), content_type); |
| } |
| |
| inline Result ClientImpl::Delete(const std::string &path, |
| const Headers &headers, |
| const std::string &body, |
| const std::string &content_type) { |
| return Delete(path, headers, body.data(), body.size(), content_type); |
| } |
| |
| inline Result ClientImpl::Options(const std::string &path) { |
| return Options(path, Headers()); |
| } |
| |
| inline Result ClientImpl::Options(const std::string &path, |
| const Headers &headers) { |
| Request req; |
| req.method = "OPTIONS"; |
| req.headers = headers; |
| req.path = path; |
| |
| return send_(std::move(req)); |
| } |
| |
| inline void ClientImpl::stop() { |
| std::lock_guard<std::mutex> guard(socket_mutex_); |
| |
| // If there is anything ongoing right now, the ONLY thread-safe thing we can |
| // do is to shutdown_socket, so that threads using this socket suddenly |
| // discover they can't read/write any more and error out. Everything else |
| // (closing the socket, shutting ssl down) is unsafe because these actions are |
| // not thread-safe. |
| if (socket_requests_in_flight_ > 0) { |
| shutdown_socket(socket_); |
| |
| // Aside from that, we set a flag for the socket to be closed when we're |
| // done. |
| socket_should_be_closed_when_request_is_done_ = true; |
| return; |
| } |
| |
| // Otherwise, still holding the mutex, we can shut everything down ourselves |
| shutdown_ssl(socket_, true); |
| shutdown_socket(socket_); |
| close_socket(socket_); |
| } |
| |
| inline std::string ClientImpl::host() const { return host_; } |
| |
| inline int ClientImpl::port() const { return port_; } |
| |
| inline size_t ClientImpl::is_socket_open() const { |
| std::lock_guard<std::mutex> guard(socket_mutex_); |
| return socket_.is_open(); |
| } |
| |
| inline socket_t ClientImpl::socket() const { return socket_.sock; } |
| |
| inline void ClientImpl::set_connection_timeout(time_t sec, time_t usec) { |
| connection_timeout_sec_ = sec; |
| connection_timeout_usec_ = usec; |
| } |
| |
| inline void ClientImpl::set_read_timeout(time_t sec, time_t usec) { |
| read_timeout_sec_ = sec; |
| read_timeout_usec_ = usec; |
| } |
| |
| inline void ClientImpl::set_write_timeout(time_t sec, time_t usec) { |
| write_timeout_sec_ = sec; |
| write_timeout_usec_ = usec; |
| } |
| |
| inline void ClientImpl::set_basic_auth(const std::string &username, |
| const std::string &password) { |
| basic_auth_username_ = username; |
| basic_auth_password_ = password; |
| } |
| |
| inline void ClientImpl::set_bearer_token_auth(const std::string &token) { |
| bearer_token_auth_token_ = token; |
| } |
| |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| inline void ClientImpl::set_digest_auth(const std::string &username, |
| const std::string &password) { |
| digest_auth_username_ = username; |
| digest_auth_password_ = password; |
| } |
| #endif |
| |
| inline void ClientImpl::set_keep_alive(bool on) { keep_alive_ = on; } |
| |
| inline void ClientImpl::set_follow_location(bool on) { follow_location_ = on; } |
| |
| inline void ClientImpl::set_url_encode(bool on) { url_encode_ = on; } |
| |
| inline void |
| ClientImpl::set_hostname_addr_map(std::map<std::string, std::string> addr_map) { |
| addr_map_ = std::move(addr_map); |
| } |
| |
| inline void ClientImpl::set_default_headers(Headers headers) { |
| default_headers_ = std::move(headers); |
| } |
| |
| inline void ClientImpl::set_address_family(int family) { |
| address_family_ = family; |
| } |
| |
| inline void ClientImpl::set_tcp_nodelay(bool on) { tcp_nodelay_ = on; } |
| |
| inline void ClientImpl::set_socket_options(SocketOptions socket_options) { |
| socket_options_ = std::move(socket_options); |
| } |
| |
| inline void ClientImpl::set_compress(bool on) { compress_ = on; } |
| |
| inline void ClientImpl::set_decompress(bool on) { decompress_ = on; } |
| |
| inline void ClientImpl::set_interface(const std::string &intf) { |
| interface_ = intf; |
| } |
| |
| inline void ClientImpl::set_proxy(const std::string &host, int port) { |
| proxy_host_ = host; |
| proxy_port_ = port; |
| } |
| |
| inline void ClientImpl::set_proxy_basic_auth(const std::string &username, |
| const std::string &password) { |
| proxy_basic_auth_username_ = username; |
| proxy_basic_auth_password_ = password; |
| } |
| |
| inline void ClientImpl::set_proxy_bearer_token_auth(const std::string &token) { |
| proxy_bearer_token_auth_token_ = token; |
| } |
| |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| inline void ClientImpl::set_proxy_digest_auth(const std::string &username, |
| const std::string &password) { |
| proxy_digest_auth_username_ = username; |
| proxy_digest_auth_password_ = password; |
| } |
| |
| inline void ClientImpl::set_ca_cert_path(const std::string &ca_cert_file_path, |
| const std::string &ca_cert_dir_path) { |
| ca_cert_file_path_ = ca_cert_file_path; |
| ca_cert_dir_path_ = ca_cert_dir_path; |
| } |
| |
| inline void ClientImpl::set_ca_cert_store(X509_STORE *ca_cert_store) { |
| if (ca_cert_store && ca_cert_store != ca_cert_store_) { |
| ca_cert_store_ = ca_cert_store; |
| } |
| } |
| |
| inline X509_STORE *ClientImpl::create_ca_cert_store(const char *ca_cert, |
| std::size_t size) { |
| auto mem = BIO_new_mem_buf(ca_cert, static_cast<int>(size)); |
| if (!mem) return nullptr; |
| |
| auto inf = PEM_X509_INFO_read_bio(mem, nullptr, nullptr, nullptr); |
| if (!inf) { |
| BIO_free_all(mem); |
| return nullptr; |
| } |
| |
| auto cts = X509_STORE_new(); |
| if (cts) { |
| for (auto i = 0; i < static_cast<int>(sk_X509_INFO_num(inf)); i++) { |
| auto itmp = sk_X509_INFO_value(inf, i); |
| if (!itmp) { continue; } |
| |
| if (itmp->x509) { X509_STORE_add_cert(cts, itmp->x509); } |
| if (itmp->crl) { X509_STORE_add_crl(cts, itmp->crl); } |
| } |
| } |
| |
| sk_X509_INFO_pop_free(inf, X509_INFO_free); |
| BIO_free_all(mem); |
| return cts; |
| } |
| |
| inline void ClientImpl::enable_server_certificate_verification(bool enabled) { |
| server_certificate_verification_ = enabled; |
| } |
| #endif |
| |
| inline void ClientImpl::set_logger(Logger logger) { |
| logger_ = std::move(logger); |
| } |
| |
| /* |
| * SSL Implementation |
| */ |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| namespace detail { |
| |
| template <typename U, typename V> |
| inline SSL *ssl_new(socket_t sock, SSL_CTX *ctx, std::mutex &ctx_mutex, |
| U SSL_connect_or_accept, V setup) { |
| SSL *ssl = nullptr; |
| { |
| std::lock_guard<std::mutex> guard(ctx_mutex); |
| ssl = SSL_new(ctx); |
| } |
| |
| if (ssl) { |
| set_nonblocking(sock, true); |
| auto bio = BIO_new_socket(static_cast<int>(sock), BIO_NOCLOSE); |
| BIO_set_nbio(bio, 1); |
| SSL_set_bio(ssl, bio, bio); |
| |
| if (!setup(ssl) || SSL_connect_or_accept(ssl) != 1) { |
| SSL_shutdown(ssl); |
| { |
| std::lock_guard<std::mutex> guard(ctx_mutex); |
| SSL_free(ssl); |
| } |
| set_nonblocking(sock, false); |
| return nullptr; |
| } |
| BIO_set_nbio(bio, 0); |
| set_nonblocking(sock, false); |
| } |
| |
| return ssl; |
| } |
| |
| inline void ssl_delete(std::mutex &ctx_mutex, SSL *ssl, |
| bool shutdown_gracefully) { |
| // sometimes we may want to skip this to try to avoid SIGPIPE if we know |
| // the remote has closed the network connection |
| // Note that it is not always possible to avoid SIGPIPE, this is merely a |
| // best-efforts. |
| if (shutdown_gracefully) { SSL_shutdown(ssl); } |
| |
| std::lock_guard<std::mutex> guard(ctx_mutex); |
| SSL_free(ssl); |
| } |
| |
| template <typename U> |
| bool ssl_connect_or_accept_nonblocking(socket_t sock, SSL *ssl, |
| U ssl_connect_or_accept, |
| time_t timeout_sec, |
| time_t timeout_usec) { |
| auto res = 0; |
| while ((res = ssl_connect_or_accept(ssl)) != 1) { |
| auto err = SSL_get_error(ssl, res); |
| switch (err) { |
| case SSL_ERROR_WANT_READ: |
| if (select_read(sock, timeout_sec, timeout_usec) > 0) { continue; } |
| break; |
| case SSL_ERROR_WANT_WRITE: |
| if (select_write(sock, timeout_sec, timeout_usec) > 0) { continue; } |
| break; |
| default: break; |
| } |
| return false; |
| } |
| return true; |
| } |
| |
| template <typename T> |
| inline bool process_server_socket_ssl( |
| const std::atomic<socket_t> &svr_sock, SSL *ssl, socket_t sock, |
| size_t keep_alive_max_count, time_t keep_alive_timeout_sec, |
| time_t read_timeout_sec, time_t read_timeout_usec, time_t write_timeout_sec, |
| time_t write_timeout_usec, T callback) { |
| return process_server_socket_core( |
| svr_sock, sock, keep_alive_max_count, keep_alive_timeout_sec, |
| [&](bool close_connection, bool &connection_closed) { |
| SSLSocketStream strm(sock, ssl, read_timeout_sec, read_timeout_usec, |
| write_timeout_sec, write_timeout_usec); |
| return callback(strm, close_connection, connection_closed); |
| }); |
| } |
| |
| template <typename T> |
| inline bool |
| process_client_socket_ssl(SSL *ssl, socket_t sock, time_t read_timeout_sec, |
| time_t read_timeout_usec, time_t write_timeout_sec, |
| time_t write_timeout_usec, T callback) { |
| SSLSocketStream strm(sock, ssl, read_timeout_sec, read_timeout_usec, |
| write_timeout_sec, write_timeout_usec); |
| return callback(strm); |
| } |
| |
| class SSLInit { |
| public: |
| SSLInit() { |
| OPENSSL_init_ssl( |
| OPENSSL_INIT_LOAD_SSL_STRINGS | OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL); |
| } |
| }; |
| |
| // SSL socket stream implementation |
| inline SSLSocketStream::SSLSocketStream(socket_t sock, SSL *ssl, |
| time_t read_timeout_sec, |
| time_t read_timeout_usec, |
| time_t write_timeout_sec, |
| time_t write_timeout_usec) |
| : sock_(sock), ssl_(ssl), read_timeout_sec_(read_timeout_sec), |
| read_timeout_usec_(read_timeout_usec), |
| write_timeout_sec_(write_timeout_sec), |
| write_timeout_usec_(write_timeout_usec) { |
| SSL_clear_mode(ssl, SSL_MODE_AUTO_RETRY); |
| } |
| |
| inline SSLSocketStream::~SSLSocketStream() {} |
| |
| inline bool SSLSocketStream::is_readable() const { |
| return detail::select_read(sock_, read_timeout_sec_, read_timeout_usec_) > 0; |
| } |
| |
| inline bool SSLSocketStream::is_writable() const { |
| return select_write(sock_, write_timeout_sec_, write_timeout_usec_) > 0 && |
| is_socket_alive(sock_); |
| } |
| |
| inline ssize_t SSLSocketStream::read(char *ptr, size_t size) { |
| if (SSL_pending(ssl_) > 0) { |
| return SSL_read(ssl_, ptr, static_cast<int>(size)); |
| } else if (is_readable()) { |
| auto ret = SSL_read(ssl_, ptr, static_cast<int>(size)); |
| if (ret < 0) { |
| auto err = SSL_get_error(ssl_, ret); |
| auto n = 1000; |
| #ifdef _WIN32 |
| while (--n >= 0 && (err == SSL_ERROR_WANT_READ || |
| (err == SSL_ERROR_SYSCALL && |
| WSAGetLastError() == WSAETIMEDOUT))) { |
| #else |
| while (--n >= 0 && err == SSL_ERROR_WANT_READ) { |
| #endif |
| if (SSL_pending(ssl_) > 0) { |
| return SSL_read(ssl_, ptr, static_cast<int>(size)); |
| } else if (is_readable()) { |
| std::this_thread::sleep_for(std::chrono::milliseconds(1)); |
| ret = SSL_read(ssl_, ptr, static_cast<int>(size)); |
| if (ret >= 0) { return ret; } |
| err = SSL_get_error(ssl_, ret); |
| } else { |
| return -1; |
| } |
| } |
| } |
| return ret; |
| } |
| return -1; |
| } |
| |
| inline ssize_t SSLSocketStream::write(const char *ptr, size_t size) { |
| if (is_writable()) { |
| auto handle_size = static_cast<int>( |
| std::min<size_t>(size, (std::numeric_limits<int>::max)())); |
| |
| auto ret = SSL_write(ssl_, ptr, static_cast<int>(handle_size)); |
| if (ret < 0) { |
| auto err = SSL_get_error(ssl_, ret); |
| auto n = 1000; |
| #ifdef _WIN32 |
| while (--n >= 0 && (err == SSL_ERROR_WANT_WRITE || |
| (err == SSL_ERROR_SYSCALL && |
| WSAGetLastError() == WSAETIMEDOUT))) { |
| #else |
| while (--n >= 0 && err == SSL_ERROR_WANT_WRITE) { |
| #endif |
| if (is_writable()) { |
| std::this_thread::sleep_for(std::chrono::milliseconds(1)); |
| ret = SSL_write(ssl_, ptr, static_cast<int>(handle_size)); |
| if (ret >= 0) { return ret; } |
| err = SSL_get_error(ssl_, ret); |
| } else { |
| return -1; |
| } |
| } |
| } |
| return ret; |
| } |
| return -1; |
| } |
| |
| inline void SSLSocketStream::get_remote_ip_and_port(std::string &ip, |
| int &port) const { |
| detail::get_remote_ip_and_port(sock_, ip, port); |
| } |
| |
| inline void SSLSocketStream::get_local_ip_and_port(std::string &ip, |
| int &port) const { |
| detail::get_local_ip_and_port(sock_, ip, port); |
| } |
| |
| inline socket_t SSLSocketStream::socket() const { return sock_; } |
| |
| static SSLInit sslinit_; |
| |
| } // namespace detail |
| |
| // SSL HTTP server implementation |
| inline SSLServer::SSLServer(const char *cert_path, const char *private_key_path, |
| const char *client_ca_cert_file_path, |
| const char *client_ca_cert_dir_path, |
| const char *private_key_password) { |
| ctx_ = SSL_CTX_new(TLS_server_method()); |
| |
| if (ctx_) { |
| SSL_CTX_set_options(ctx_, |
| SSL_OP_NO_COMPRESSION | |
| SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION); |
| |
| SSL_CTX_set_min_proto_version(ctx_, TLS1_1_VERSION); |
| |
| // add default password callback before opening encrypted private key |
| if (private_key_password != nullptr && (private_key_password[0] != '\0')) { |
| SSL_CTX_set_default_passwd_cb_userdata( |
| ctx_, |
| reinterpret_cast<void *>(const_cast<char *>(private_key_password))); |
| } |
| |
| if (SSL_CTX_use_certificate_chain_file(ctx_, cert_path) != 1 || |
| SSL_CTX_use_PrivateKey_file(ctx_, private_key_path, SSL_FILETYPE_PEM) != |
| 1) { |
| SSL_CTX_free(ctx_); |
| ctx_ = nullptr; |
| } else if (client_ca_cert_file_path || client_ca_cert_dir_path) { |
| SSL_CTX_load_verify_locations(ctx_, client_ca_cert_file_path, |
| client_ca_cert_dir_path); |
| |
| SSL_CTX_set_verify( |
| ctx_, SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT, nullptr); |
| } |
| } |
| } |
| |
| inline SSLServer::SSLServer(X509 *cert, EVP_PKEY *private_key, |
| X509_STORE *client_ca_cert_store) { |
| ctx_ = SSL_CTX_new(TLS_server_method()); |
| |
| if (ctx_) { |
| SSL_CTX_set_options(ctx_, |
| SSL_OP_NO_COMPRESSION | |
| SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION); |
| |
| SSL_CTX_set_min_proto_version(ctx_, TLS1_1_VERSION); |
| |
| if (SSL_CTX_use_certificate(ctx_, cert) != 1 || |
| SSL_CTX_use_PrivateKey(ctx_, private_key) != 1) { |
| SSL_CTX_free(ctx_); |
| ctx_ = nullptr; |
| } else if (client_ca_cert_store) { |
| SSL_CTX_set_cert_store(ctx_, client_ca_cert_store); |
| |
| SSL_CTX_set_verify( |
| ctx_, SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT, nullptr); |
| } |
| } |
| } |
| |
| inline SSLServer::SSLServer( |
| const std::function<bool(SSL_CTX &ssl_ctx)> &setup_ssl_ctx_callback) { |
| ctx_ = SSL_CTX_new(TLS_method()); |
| if (ctx_) { |
| if (!setup_ssl_ctx_callback(*ctx_)) { |
| SSL_CTX_free(ctx_); |
| ctx_ = nullptr; |
| } |
| } |
| } |
| |
| inline SSLServer::~SSLServer() { |
| if (ctx_) { SSL_CTX_free(ctx_); } |
| } |
| |
| inline bool SSLServer::is_valid() const { return ctx_; } |
| |
| inline SSL_CTX *SSLServer::ssl_context() const { return ctx_; } |
| |
| inline bool SSLServer::process_and_close_socket(socket_t sock) { |
| auto ssl = detail::ssl_new( |
| sock, ctx_, ctx_mutex_, |
| [&](SSL *ssl2) { |
| return detail::ssl_connect_or_accept_nonblocking( |
| sock, ssl2, SSL_accept, read_timeout_sec_, read_timeout_usec_); |
| }, |
| [](SSL * /*ssl2*/) { return true; }); |
| |
| auto ret = false; |
| if (ssl) { |
| ret = detail::process_server_socket_ssl( |
| svr_sock_, ssl, sock, keep_alive_max_count_, keep_alive_timeout_sec_, |
| read_timeout_sec_, read_timeout_usec_, write_timeout_sec_, |
| write_timeout_usec_, |
| [this, ssl](Stream &strm, bool close_connection, |
| bool &connection_closed) { |
| return process_request(strm, close_connection, connection_closed, |
| [&](Request &req) { req.ssl = ssl; }); |
| }); |
| |
| // Shutdown gracefully if the result seemed successful, non-gracefully if |
| // the connection appeared to be closed. |
| const bool shutdown_gracefully = ret; |
| detail::ssl_delete(ctx_mutex_, ssl, shutdown_gracefully); |
| } |
| |
| detail::shutdown_socket(sock); |
| detail::close_socket(sock); |
| return ret; |
| } |
| |
| // SSL HTTP client implementation |
| inline SSLClient::SSLClient(const std::string &host) |
| : SSLClient(host, 443, std::string(), std::string()) {} |
| |
| inline SSLClient::SSLClient(const std::string &host, int port) |
| : SSLClient(host, port, std::string(), std::string()) {} |
| |
| inline SSLClient::SSLClient(const std::string &host, int port, |
| const std::string &client_cert_path, |
| const std::string &client_key_path) |
| : ClientImpl(host, port, client_cert_path, client_key_path) { |
| ctx_ = SSL_CTX_new(TLS_client_method()); |
| |
| detail::split(&host_[0], &host_[host_.size()], '.', |
| [&](const char *b, const char *e) { |
| host_components_.emplace_back(std::string(b, e)); |
| }); |
| |
| if (!client_cert_path.empty() && !client_key_path.empty()) { |
| if (SSL_CTX_use_certificate_file(ctx_, client_cert_path.c_str(), |
| SSL_FILETYPE_PEM) != 1 || |
| SSL_CTX_use_PrivateKey_file(ctx_, client_key_path.c_str(), |
| SSL_FILETYPE_PEM) != 1) { |
| SSL_CTX_free(ctx_); |
| ctx_ = nullptr; |
| } |
| } |
| } |
| |
| inline SSLClient::SSLClient(const std::string &host, int port, |
| X509 *client_cert, EVP_PKEY *client_key) |
| : ClientImpl(host, port) { |
| ctx_ = SSL_CTX_new(TLS_client_method()); |
| |
| detail::split(&host_[0], &host_[host_.size()], '.', |
| [&](const char *b, const char *e) { |
| host_components_.emplace_back(std::string(b, e)); |
| }); |
| |
| if (client_cert != nullptr && client_key != nullptr) { |
| if (SSL_CTX_use_certificate(ctx_, client_cert) != 1 || |
| SSL_CTX_use_PrivateKey(ctx_, client_key) != 1) { |
| SSL_CTX_free(ctx_); |
| ctx_ = nullptr; |
| } |
| } |
| } |
| |
| inline SSLClient::~SSLClient() { |
| if (ctx_) { SSL_CTX_free(ctx_); } |
| // Make sure to shut down SSL since shutdown_ssl will resolve to the |
| // base function rather than the derived function once we get to the |
| // base class destructor, and won't free the SSL (causing a leak). |
| shutdown_ssl_impl(socket_, true); |
| } |
| |
| inline bool SSLClient::is_valid() const { return ctx_; } |
| |
| inline void SSLClient::set_ca_cert_store(X509_STORE *ca_cert_store) { |
| if (ca_cert_store) { |
| if (ctx_) { |
| if (SSL_CTX_get_cert_store(ctx_) != ca_cert_store) { |
| // Free memory allocated for old cert and use new store `ca_cert_store` |
| SSL_CTX_set_cert_store(ctx_, ca_cert_store); |
| } |
| } else { |
| X509_STORE_free(ca_cert_store); |
| } |
| } |
| } |
| |
| inline void SSLClient::load_ca_cert_store(const char *ca_cert, |
| std::size_t size) { |
| set_ca_cert_store(ClientImpl::create_ca_cert_store(ca_cert, size)); |
| } |
| |
| inline long SSLClient::get_openssl_verify_result() const { |
| return verify_result_; |
| } |
| |
| inline SSL_CTX *SSLClient::ssl_context() const { return ctx_; } |
| |
| inline bool SSLClient::create_and_connect_socket(Socket &socket, Error &error) { |
| return is_valid() && ClientImpl::create_and_connect_socket(socket, error); |
| } |
| |
| // Assumes that socket_mutex_ is locked and that there are no requests in flight |
| inline bool SSLClient::connect_with_proxy(Socket &socket, Response &res, |
| bool &success, Error &error) { |
| success = true; |
| Response proxy_res; |
| if (!detail::process_client_socket( |
| socket.sock, read_timeout_sec_, read_timeout_usec_, |
| write_timeout_sec_, write_timeout_usec_, [&](Stream &strm) { |
| Request req2; |
| req2.method = "CONNECT"; |
| req2.path = host_and_port_; |
| return process_request(strm, req2, proxy_res, false, error); |
| })) { |
| // Thread-safe to close everything because we are assuming there are no |
| // requests in flight |
| shutdown_ssl(socket, true); |
| shutdown_socket(socket); |
| close_socket(socket); |
| success = false; |
| return false; |
| } |
| |
| if (proxy_res.status == 407) { |
| if (!proxy_digest_auth_username_.empty() && |
| !proxy_digest_auth_password_.empty()) { |
| std::map<std::string, std::string> auth; |
| if (detail::parse_www_authenticate(proxy_res, auth, true)) { |
| proxy_res = Response(); |
| if (!detail::process_client_socket( |
| socket.sock, read_timeout_sec_, read_timeout_usec_, |
| write_timeout_sec_, write_timeout_usec_, [&](Stream &strm) { |
| Request req3; |
| req3.method = "CONNECT"; |
| req3.path = host_and_port_; |
| req3.headers.insert(detail::make_digest_authentication_header( |
| req3, auth, 1, detail::random_string(10), |
| proxy_digest_auth_username_, proxy_digest_auth_password_, |
| true)); |
| return process_request(strm, req3, proxy_res, false, error); |
| })) { |
| // Thread-safe to close everything because we are assuming there are |
| // no requests in flight |
| shutdown_ssl(socket, true); |
| shutdown_socket(socket); |
| close_socket(socket); |
| success = false; |
| return false; |
| } |
| } |
| } |
| } |
| |
| // If status code is not 200, proxy request is failed. |
| // Set error to ProxyConnection and return proxy response |
| // as the response of the request |
| if (proxy_res.status != 200) |
| { |
| error = Error::ProxyConnection; |
| res = std::move(proxy_res); |
| // Thread-safe to close everything because we are assuming there are |
| // no requests in flight |
| shutdown_ssl(socket, true); |
| shutdown_socket(socket); |
| close_socket(socket); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| inline bool SSLClient::load_certs() { |
| bool ret = true; |
| |
| std::call_once(initialize_cert_, [&]() { |
| std::lock_guard<std::mutex> guard(ctx_mutex_); |
| if (!ca_cert_file_path_.empty()) { |
| if (!SSL_CTX_load_verify_locations(ctx_, ca_cert_file_path_.c_str(), |
| nullptr)) { |
| ret = false; |
| } |
| } else if (!ca_cert_dir_path_.empty()) { |
| if (!SSL_CTX_load_verify_locations(ctx_, nullptr, |
| ca_cert_dir_path_.c_str())) { |
| ret = false; |
| } |
| } else { |
| auto loaded = false; |
| #ifdef _WIN32 |
| loaded = |
| detail::load_system_certs_on_windows(SSL_CTX_get_cert_store(ctx_)); |
| #elif defined(CPPHTTPLIB_USE_CERTS_FROM_MACOSX_KEYCHAIN) && defined(__APPLE__) |
| #if TARGET_OS_OSX |
| loaded = detail::load_system_certs_on_macos(SSL_CTX_get_cert_store(ctx_)); |
| #endif // TARGET_OS_OSX |
| #endif // _WIN32 |
| if (!loaded) { SSL_CTX_set_default_verify_paths(ctx_); } |
| } |
| }); |
| |
| return ret; |
| } |
| |
| inline bool SSLClient::initialize_ssl(Socket &socket, Error &error) { |
| auto ssl = detail::ssl_new( |
| socket.sock, ctx_, ctx_mutex_, |
| [&](SSL *ssl2) { |
| if (server_certificate_verification_) { |
| if (!load_certs()) { |
| error = Error::SSLLoadingCerts; |
| return false; |
| } |
| SSL_set_verify(ssl2, SSL_VERIFY_NONE, nullptr); |
| } |
| |
| if (!detail::ssl_connect_or_accept_nonblocking( |
| socket.sock, ssl2, SSL_connect, connection_timeout_sec_, |
| connection_timeout_usec_)) { |
| error = Error::SSLConnection; |
| return false; |
| } |
| |
| if (server_certificate_verification_) { |
| verify_result_ = SSL_get_verify_result(ssl2); |
| |
| if (verify_result_ != X509_V_OK) { |
| error = Error::SSLServerVerification; |
| return false; |
| } |
| |
| auto server_cert = SSL_get1_peer_certificate(ssl2); |
| |
| if (server_cert == nullptr) { |
| error = Error::SSLServerVerification; |
| return false; |
| } |
| |
| if (!verify_host(server_cert)) { |
| X509_free(server_cert); |
| error = Error::SSLServerVerification; |
| return false; |
| } |
| X509_free(server_cert); |
| } |
| |
| return true; |
| }, |
| [&](SSL *ssl2) { |
| // NOTE: With -Wold-style-cast, this can produce a warning, since |
| // SSL_set_tlsext_host_name is a macro (in OpenSSL), which contains |
| // an old style cast. Short of doing compiler specific pragma's |
| // here, we can't get rid of this warning. :'( |
| SSL_set_tlsext_host_name(ssl2, host_.c_str()); |
| return true; |
| }); |
| |
| if (ssl) { |
| socket.ssl = ssl; |
| return true; |
| } |
| |
| shutdown_socket(socket); |
| close_socket(socket); |
| return false; |
| } |
| |
| inline void SSLClient::shutdown_ssl(Socket &socket, bool shutdown_gracefully) { |
| shutdown_ssl_impl(socket, shutdown_gracefully); |
| } |
| |
| inline void SSLClient::shutdown_ssl_impl(Socket &socket, |
| bool shutdown_gracefully) { |
| if (socket.sock == INVALID_SOCKET) { |
| assert(socket.ssl == nullptr); |
| return; |
| } |
| if (socket.ssl) { |
| detail::ssl_delete(ctx_mutex_, socket.ssl, shutdown_gracefully); |
| socket.ssl = nullptr; |
| } |
| assert(socket.ssl == nullptr); |
| } |
| |
| inline bool |
| SSLClient::process_socket(const Socket &socket, |
| std::function<bool(Stream &strm)> callback) { |
| assert(socket.ssl); |
| return detail::process_client_socket_ssl( |
| socket.ssl, socket.sock, read_timeout_sec_, read_timeout_usec_, |
| write_timeout_sec_, write_timeout_usec_, std::move(callback)); |
| } |
| |
| inline bool SSLClient::is_ssl() const { return true; } |
| |
| inline bool SSLClient::verify_host(X509 *server_cert) const { |
| /* Quote from RFC2818 section 3.1 "Server Identity" |
| |
| If a subjectAltName extension of type dNSName is present, that MUST |
| be used as the identity. Otherwise, the (most specific) Common Name |
| field in the Subject field of the certificate MUST be used. Although |
| the use of the Common Name is existing practice, it is deprecated and |
| Certification Authorities are encouraged to use the dNSName instead. |
| |
| Matching is performed using the matching rules specified by |
| [RFC2459]. If more than one identity of a given type is present in |
| the certificate (e.g., more than one dNSName name, a match in any one |
| of the set is considered acceptable.) Names may contain the wildcard |
| character * which is considered to match any single domain name |
| component or component fragment. E.g., *.a.com matches foo.a.com but |
| not bar.foo.a.com. f*.com matches foo.com but not bar.com. |
| |
| In some cases, the URI is specified as an IP address rather than a |
| hostname. In this case, the iPAddress subjectAltName must be present |
| in the certificate and must exactly match the IP in the URI. |
| |
| */ |
| return verify_host_with_subject_alt_name(server_cert) || |
| verify_host_with_common_name(server_cert); |
| } |
| |
| inline bool |
| SSLClient::verify_host_with_subject_alt_name(X509 *server_cert) const { |
| auto ret = false; |
| |
| auto type = GEN_DNS; |
| |
| struct in6_addr addr6; |
| struct in_addr addr; |
| size_t addr_len = 0; |
| |
| #ifndef __MINGW32__ |
| if (inet_pton(AF_INET6, host_.c_str(), &addr6)) { |
| type = GEN_IPADD; |
| addr_len = sizeof(struct in6_addr); |
| } else if (inet_pton(AF_INET, host_.c_str(), &addr)) { |
| type = GEN_IPADD; |
| addr_len = sizeof(struct in_addr); |
| } |
| #endif |
| |
| auto alt_names = static_cast<const struct stack_st_GENERAL_NAME *>( |
| X509_get_ext_d2i(server_cert, NID_subject_alt_name, nullptr, nullptr)); |
| |
| if (alt_names) { |
| auto dsn_matched = false; |
| auto ip_matched = false; |
| |
| auto count = sk_GENERAL_NAME_num(alt_names); |
| |
| for (decltype(count) i = 0; i < count && !dsn_matched; i++) { |
| auto val = sk_GENERAL_NAME_value(alt_names, i); |
| if (val->type == type) { |
| auto name = |
| reinterpret_cast<const char *>(ASN1_STRING_get0_data(val->d.ia5)); |
| auto name_len = static_cast<size_t>(ASN1_STRING_length(val->d.ia5)); |
| |
| switch (type) { |
| case GEN_DNS: dsn_matched = check_host_name(name, name_len); break; |
| |
| case GEN_IPADD: |
| if (!memcmp(&addr6, name, addr_len) || |
| !memcmp(&addr, name, addr_len)) { |
| ip_matched = true; |
| } |
| break; |
| } |
| } |
| } |
| |
| if (dsn_matched || ip_matched) { ret = true; } |
| } |
| |
| GENERAL_NAMES_free(const_cast<STACK_OF(GENERAL_NAME) *>( |
| reinterpret_cast<const STACK_OF(GENERAL_NAME) *>(alt_names))); |
| return ret; |
| } |
| |
| inline bool SSLClient::verify_host_with_common_name(X509 *server_cert) const { |
| const auto subject_name = X509_get_subject_name(server_cert); |
| |
| if (subject_name != nullptr) { |
| char name[BUFSIZ]; |
| auto name_len = X509_NAME_get_text_by_NID(subject_name, NID_commonName, |
| name, sizeof(name)); |
| |
| if (name_len != -1) { |
| return check_host_name(name, static_cast<size_t>(name_len)); |
| } |
| } |
| |
| return false; |
| } |
| |
| inline bool SSLClient::check_host_name(const char *pattern, |
| size_t pattern_len) const { |
| if (host_.size() == pattern_len && host_ == pattern) { return true; } |
| |
| // Wildcard match |
| // https://bugs.launchpad.net/ubuntu/+source/firefox-3.0/+bug/376484 |
| std::vector<std::string> pattern_components; |
| detail::split(&pattern[0], &pattern[pattern_len], '.', |
| [&](const char *b, const char *e) { |
| pattern_components.emplace_back(std::string(b, e)); |
| }); |
| |
| if (host_components_.size() != pattern_components.size()) { return false; } |
| |
| auto itr = pattern_components.begin(); |
| for (const auto &h : host_components_) { |
| auto &p = *itr; |
| if (p != h && p != "*") { |
| auto partial_match = (p.size() > 0 && p[p.size() - 1] == '*' && |
| !p.compare(0, p.size() - 1, h)); |
| if (!partial_match) { return false; } |
| } |
| ++itr; |
| } |
| |
| return true; |
| } |
| #endif |
| |
| // Universal client implementation |
| inline Client::Client(const std::string &scheme_host_port) |
| : Client(scheme_host_port, std::string(), std::string()) {} |
| |
| inline Client::Client(const std::string &scheme_host_port, |
| const std::string &client_cert_path, |
| const std::string &client_key_path) { |
| const static std::regex re( |
| R"((?:([a-z]+):\/\/)?(?:\[([\d:]+)\]|([^:/?#]+))(?::(\d+))?)"); |
| |
| std::smatch m; |
| if (std::regex_match(scheme_host_port, m, re)) { |
| auto scheme = m[1].str(); |
| |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| if (!scheme.empty() && (scheme != "http" && scheme != "https")) { |
| #else |
| if (!scheme.empty() && scheme != "http") { |
| #endif |
| #ifndef CPPHTTPLIB_NO_EXCEPTIONS |
| std::string msg = "'" + scheme + "' scheme is not supported."; |
| throw std::invalid_argument(msg); |
| #endif |
| return; |
| } |
| |
| auto is_ssl = scheme == "https"; |
| |
| auto host = m[2].str(); |
| if (host.empty()) { host = m[3].str(); } |
| |
| auto port_str = m[4].str(); |
| auto port = !port_str.empty() ? std::stoi(port_str) : (is_ssl ? 443 : 80); |
| |
| if (is_ssl) { |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| cli_ = detail::make_unique<SSLClient>(host, port, client_cert_path, |
| client_key_path); |
| is_ssl_ = is_ssl; |
| #endif |
| } else { |
| cli_ = detail::make_unique<ClientImpl>(host, port, client_cert_path, |
| client_key_path); |
| } |
| } else { |
| cli_ = detail::make_unique<ClientImpl>(scheme_host_port, 80, |
| client_cert_path, client_key_path); |
| } |
| } |
| |
| inline Client::Client(const std::string &host, int port) |
| : cli_(detail::make_unique<ClientImpl>(host, port)) {} |
| |
| inline Client::Client(const std::string &host, int port, |
| const std::string &client_cert_path, |
| const std::string &client_key_path) |
| : cli_(detail::make_unique<ClientImpl>(host, port, client_cert_path, |
| client_key_path)) {} |
| |
| inline Client::~Client() {} |
| |
| inline bool Client::is_valid() const { |
| return cli_ != nullptr && cli_->is_valid(); |
| } |
| |
| inline Result Client::Get(const std::string &path) { return cli_->Get(path); } |
| inline Result Client::Get(const std::string &path, const Headers &headers) { |
| return cli_->Get(path, headers); |
| } |
| inline Result Client::Get(const std::string &path, Progress progress) { |
| return cli_->Get(path, std::move(progress)); |
| } |
| inline Result Client::Get(const std::string &path, const Headers &headers, |
| Progress progress) { |
| return cli_->Get(path, headers, std::move(progress)); |
| } |
| inline Result Client::Get(const std::string &path, |
| ContentReceiver content_receiver) { |
| return cli_->Get(path, std::move(content_receiver)); |
| } |
| inline Result Client::Get(const std::string &path, const Headers &headers, |
| ContentReceiver content_receiver) { |
| return cli_->Get(path, headers, std::move(content_receiver)); |
| } |
| inline Result Client::Get(const std::string &path, |
| ContentReceiver content_receiver, Progress progress) { |
| return cli_->Get(path, std::move(content_receiver), std::move(progress)); |
| } |
| inline Result Client::Get(const std::string &path, const Headers &headers, |
| ContentReceiver content_receiver, Progress progress) { |
| return cli_->Get(path, headers, std::move(content_receiver), |
| std::move(progress)); |
| } |
| inline Result Client::Get(const std::string &path, |
| ResponseHandler response_handler, |
| ContentReceiver content_receiver) { |
| return cli_->Get(path, std::move(response_handler), |
| std::move(content_receiver)); |
| } |
| inline Result Client::Get(const std::string &path, const Headers &headers, |
| ResponseHandler response_handler, |
| ContentReceiver content_receiver) { |
| return cli_->Get(path, headers, std::move(response_handler), |
| std::move(content_receiver)); |
| } |
| inline Result Client::Get(const std::string &path, |
| ResponseHandler response_handler, |
| ContentReceiver content_receiver, Progress progress) { |
| return cli_->Get(path, std::move(response_handler), |
| std::move(content_receiver), std::move(progress)); |
| } |
| inline Result Client::Get(const std::string &path, const Headers &headers, |
| ResponseHandler response_handler, |
| ContentReceiver content_receiver, Progress progress) { |
| return cli_->Get(path, headers, std::move(response_handler), |
| std::move(content_receiver), std::move(progress)); |
| } |
| inline Result Client::Get(const std::string &path, const Params ¶ms, |
| const Headers &headers, Progress progress) { |
| return cli_->Get(path, params, headers, progress); |
| } |
| inline Result Client::Get(const std::string &path, const Params ¶ms, |
| const Headers &headers, |
| ContentReceiver content_receiver, Progress progress) { |
| return cli_->Get(path, params, headers, content_receiver, progress); |
| } |
| inline Result Client::Get(const std::string &path, const Params ¶ms, |
| const Headers &headers, |
| ResponseHandler response_handler, |
| ContentReceiver content_receiver, Progress progress) { |
| return cli_->Get(path, params, headers, response_handler, content_receiver, |
| progress); |
| } |
| |
| inline Result Client::Head(const std::string &path) { return cli_->Head(path); } |
| inline Result Client::Head(const std::string &path, const Headers &headers) { |
| return cli_->Head(path, headers); |
| } |
| |
| inline Result Client::Post(const std::string &path) { return cli_->Post(path); } |
| inline Result Client::Post(const std::string &path, const Headers &headers) { |
| return cli_->Post(path, headers); |
| } |
| inline Result Client::Post(const std::string &path, const char *body, |
| size_t content_length, |
| const std::string &content_type) { |
| return cli_->Post(path, body, content_length, content_type); |
| } |
| inline Result Client::Post(const std::string &path, const Headers &headers, |
| const char *body, size_t content_length, |
| const std::string &content_type) { |
| return cli_->Post(path, headers, body, content_length, content_type); |
| } |
| inline Result Client::Post(const std::string &path, const std::string &body, |
| const std::string &content_type) { |
| return cli_->Post(path, body, content_type); |
| } |
| inline Result Client::Post(const std::string &path, const Headers &headers, |
| const std::string &body, |
| const std::string &content_type) { |
| return cli_->Post(path, headers, body, content_type); |
| } |
| inline Result Client::Post(const std::string &path, size_t content_length, |
| ContentProvider content_provider, |
| const std::string &content_type) { |
| return cli_->Post(path, content_length, std::move(content_provider), |
| content_type); |
| } |
| inline Result Client::Post(const std::string &path, |
| ContentProviderWithoutLength content_provider, |
| const std::string &content_type) { |
| return cli_->Post(path, std::move(content_provider), content_type); |
| } |
| inline Result Client::Post(const std::string &path, const Headers &headers, |
| size_t content_length, |
| ContentProvider content_provider, |
| const std::string &content_type) { |
| return cli_->Post(path, headers, content_length, std::move(content_provider), |
| content_type); |
| } |
| inline Result Client::Post(const std::string &path, const Headers &headers, |
| ContentProviderWithoutLength content_provider, |
| const std::string &content_type) { |
| return cli_->Post(path, headers, std::move(content_provider), content_type); |
| } |
| inline Result Client::Post(const std::string &path, const Params ¶ms) { |
| return cli_->Post(path, params); |
| } |
| inline Result Client::Post(const std::string &path, const Headers &headers, |
| const Params ¶ms) { |
| return cli_->Post(path, headers, params); |
| } |
| inline Result Client::Post(const std::string &path, |
| const MultipartFormDataItems &items) { |
| return cli_->Post(path, items); |
| } |
| inline Result Client::Post(const std::string &path, const Headers &headers, |
| const MultipartFormDataItems &items) { |
| return cli_->Post(path, headers, items); |
| } |
| inline Result Client::Post(const std::string &path, const Headers &headers, |
| const MultipartFormDataItems &items, |
| const std::string &boundary) { |
| return cli_->Post(path, headers, items, boundary); |
| } |
| inline Result |
| Client::Post(const std::string &path, const Headers &headers, |
| const MultipartFormDataItems &items, |
| const MultipartFormDataProviderItems &provider_items) { |
| return cli_->Post(path, headers, items, provider_items); |
| } |
| inline Result Client::Put(const std::string &path) { return cli_->Put(path); } |
| inline Result Client::Put(const std::string &path, const char *body, |
| size_t content_length, |
| const std::string &content_type) { |
| return cli_->Put(path, body, content_length, content_type); |
| } |
| inline Result Client::Put(const std::string &path, const Headers &headers, |
| const char *body, size_t content_length, |
| const std::string &content_type) { |
| return cli_->Put(path, headers, body, content_length, content_type); |
| } |
| inline Result Client::Put(const std::string &path, const std::string &body, |
| const std::string &content_type) { |
| return cli_->Put(path, body, content_type); |
| } |
| inline Result Client::Put(const std::string &path, const Headers &headers, |
| const std::string &body, |
| const std::string &content_type) { |
| return cli_->Put(path, headers, body, content_type); |
| } |
| inline Result Client::Put(const std::string &path, size_t content_length, |
| ContentProvider content_provider, |
| const std::string &content_type) { |
| return cli_->Put(path, content_length, std::move(content_provider), |
| content_type); |
| } |
| inline Result Client::Put(const std::string &path, |
| ContentProviderWithoutLength content_provider, |
| const std::string &content_type) { |
| return cli_->Put(path, std::move(content_provider), content_type); |
| } |
| inline Result Client::Put(const std::string &path, const Headers &headers, |
| size_t content_length, |
| ContentProvider content_provider, |
| const std::string &content_type) { |
| return cli_->Put(path, headers, content_length, std::move(content_provider), |
| content_type); |
| } |
| inline Result Client::Put(const std::string &path, const Headers &headers, |
| ContentProviderWithoutLength content_provider, |
| const std::string &content_type) { |
| return cli_->Put(path, headers, std::move(content_provider), content_type); |
| } |
| inline Result Client::Put(const std::string &path, const Params ¶ms) { |
| return cli_->Put(path, params); |
| } |
| inline Result Client::Put(const std::string &path, const Headers &headers, |
| const Params ¶ms) { |
| return cli_->Put(path, headers, params); |
| } |
| inline Result Client::Put(const std::string &path, |
| const MultipartFormDataItems &items) { |
| return cli_->Put(path, items); |
| } |
| inline Result Client::Put(const std::string &path, const Headers &headers, |
| const MultipartFormDataItems &items) { |
| return cli_->Put(path, headers, items); |
| } |
| inline Result Client::Put(const std::string &path, const Headers &headers, |
| const MultipartFormDataItems &items, |
| const std::string &boundary) { |
| return cli_->Put(path, headers, items, boundary); |
| } |
| inline Result |
| Client::Put(const std::string &path, const Headers &headers, |
| const MultipartFormDataItems &items, |
| const MultipartFormDataProviderItems &provider_items) { |
| return cli_->Put(path, headers, items, provider_items); |
| } |
| inline Result Client::Patch(const std::string &path) { |
| return cli_->Patch(path); |
| } |
| inline Result Client::Patch(const std::string &path, const char *body, |
| size_t content_length, |
| const std::string &content_type) { |
| return cli_->Patch(path, body, content_length, content_type); |
| } |
| inline Result Client::Patch(const std::string &path, const Headers &headers, |
| const char *body, size_t content_length, |
| const std::string &content_type) { |
| return cli_->Patch(path, headers, body, content_length, content_type); |
| } |
| inline Result Client::Patch(const std::string &path, const std::string &body, |
| const std::string &content_type) { |
| return cli_->Patch(path, body, content_type); |
| } |
| inline Result Client::Patch(const std::string &path, const Headers &headers, |
| const std::string &body, |
| const std::string &content_type) { |
| return cli_->Patch(path, headers, body, content_type); |
| } |
| inline Result Client::Patch(const std::string &path, size_t content_length, |
| ContentProvider content_provider, |
| const std::string &content_type) { |
| return cli_->Patch(path, content_length, std::move(content_provider), |
| content_type); |
| } |
| inline Result Client::Patch(const std::string &path, |
| ContentProviderWithoutLength content_provider, |
| const std::string &content_type) { |
| return cli_->Patch(path, std::move(content_provider), content_type); |
| } |
| inline Result Client::Patch(const std::string &path, const Headers &headers, |
| size_t content_length, |
| ContentProvider content_provider, |
| const std::string &content_type) { |
| return cli_->Patch(path, headers, content_length, std::move(content_provider), |
| content_type); |
| } |
| inline Result Client::Patch(const std::string &path, const Headers &headers, |
| ContentProviderWithoutLength content_provider, |
| const std::string &content_type) { |
| return cli_->Patch(path, headers, std::move(content_provider), content_type); |
| } |
| inline Result Client::Delete(const std::string &path) { |
| return cli_->Delete(path); |
| } |
| inline Result Client::Delete(const std::string &path, const Headers &headers) { |
| return cli_->Delete(path, headers); |
| } |
| inline Result Client::Delete(const std::string &path, const char *body, |
| size_t content_length, |
| const std::string &content_type) { |
| return cli_->Delete(path, body, content_length, content_type); |
| } |
| inline Result Client::Delete(const std::string &path, const Headers &headers, |
| const char *body, size_t content_length, |
| const std::string &content_type) { |
| return cli_->Delete(path, headers, body, content_length, content_type); |
| } |
| inline Result Client::Delete(const std::string &path, const std::string &body, |
| const std::string &content_type) { |
| return cli_->Delete(path, body, content_type); |
| } |
| inline Result Client::Delete(const std::string &path, const Headers &headers, |
| const std::string &body, |
| const std::string &content_type) { |
| return cli_->Delete(path, headers, body, content_type); |
| } |
| inline Result Client::Options(const std::string &path) { |
| return cli_->Options(path); |
| } |
| inline Result Client::Options(const std::string &path, const Headers &headers) { |
| return cli_->Options(path, headers); |
| } |
| |
| inline bool Client::send(Request &req, Response &res, Error &error) { |
| return cli_->send(req, res, error); |
| } |
| |
| inline Result Client::send(const Request &req) { return cli_->send(req); } |
| |
| inline void Client::stop() { cli_->stop(); } |
| |
| inline std::string Client::host() const { return cli_->host(); } |
| |
| inline int Client::port() const { return cli_->port(); } |
| |
| inline size_t Client::is_socket_open() const { return cli_->is_socket_open(); } |
| |
| inline socket_t Client::socket() const { return cli_->socket(); } |
| |
| inline void |
| Client::set_hostname_addr_map(std::map<std::string, std::string> addr_map) { |
| cli_->set_hostname_addr_map(std::move(addr_map)); |
| } |
| |
| inline void Client::set_default_headers(Headers headers) { |
| cli_->set_default_headers(std::move(headers)); |
| } |
| |
| inline void Client::set_address_family(int family) { |
| cli_->set_address_family(family); |
| } |
| |
| inline void Client::set_tcp_nodelay(bool on) { cli_->set_tcp_nodelay(on); } |
| |
| inline void Client::set_socket_options(SocketOptions socket_options) { |
| cli_->set_socket_options(std::move(socket_options)); |
| } |
| |
| inline void Client::set_connection_timeout(time_t sec, time_t usec) { |
| cli_->set_connection_timeout(sec, usec); |
| } |
| |
| inline void Client::set_read_timeout(time_t sec, time_t usec) { |
| cli_->set_read_timeout(sec, usec); |
| } |
| |
| inline void Client::set_write_timeout(time_t sec, time_t usec) { |
| cli_->set_write_timeout(sec, usec); |
| } |
| |
| inline void Client::set_basic_auth(const std::string &username, |
| const std::string &password) { |
| cli_->set_basic_auth(username, password); |
| } |
| inline void Client::set_bearer_token_auth(const std::string &token) { |
| cli_->set_bearer_token_auth(token); |
| } |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| inline void Client::set_digest_auth(const std::string &username, |
| const std::string &password) { |
| cli_->set_digest_auth(username, password); |
| } |
| #endif |
| |
| inline void Client::set_keep_alive(bool on) { cli_->set_keep_alive(on); } |
| inline void Client::set_follow_location(bool on) { |
| cli_->set_follow_location(on); |
| } |
| |
| inline void Client::set_url_encode(bool on) { cli_->set_url_encode(on); } |
| |
| inline void Client::set_compress(bool on) { cli_->set_compress(on); } |
| |
| inline void Client::set_decompress(bool on) { cli_->set_decompress(on); } |
| |
| inline void Client::set_interface(const std::string &intf) { |
| cli_->set_interface(intf); |
| } |
| |
| inline void Client::set_proxy(const std::string &host, int port) { |
| cli_->set_proxy(host, port); |
| } |
| inline void Client::set_proxy_basic_auth(const std::string &username, |
| const std::string &password) { |
| cli_->set_proxy_basic_auth(username, password); |
| } |
| inline void Client::set_proxy_bearer_token_auth(const std::string &token) { |
| cli_->set_proxy_bearer_token_auth(token); |
| } |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| inline void Client::set_proxy_digest_auth(const std::string &username, |
| const std::string &password) { |
| cli_->set_proxy_digest_auth(username, password); |
| } |
| #endif |
| |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| inline void Client::enable_server_certificate_verification(bool enabled) { |
| cli_->enable_server_certificate_verification(enabled); |
| } |
| #endif |
| |
| inline void Client::set_logger(Logger logger) { |
| cli_->set_logger(std::move(logger)); |
| } |
| |
| #ifdef CPPHTTPLIB_OPENSSL_SUPPORT |
| inline void Client::set_ca_cert_path(const std::string &ca_cert_file_path, |
| const std::string &ca_cert_dir_path) { |
| cli_->set_ca_cert_path(ca_cert_file_path, ca_cert_dir_path); |
| } |
| |
| inline void Client::set_ca_cert_store(X509_STORE *ca_cert_store) { |
| if (is_ssl_) { |
| static_cast<SSLClient &>(*cli_).set_ca_cert_store(ca_cert_store); |
| } else { |
| cli_->set_ca_cert_store(ca_cert_store); |
| } |
| } |
| |
| inline void Client::load_ca_cert_store(const char *ca_cert, std::size_t size) { |
| set_ca_cert_store(cli_->create_ca_cert_store(ca_cert, size)); |
| } |
| |
| inline long Client::get_openssl_verify_result() const { |
| if (is_ssl_) { |
| return static_cast<SSLClient &>(*cli_).get_openssl_verify_result(); |
| } |
| return -1; // NOTE: -1 doesn't match any of X509_V_ERR_??? |
| } |
| |
| inline SSL_CTX *Client::ssl_context() const { |
| if (is_ssl_) { return static_cast<SSLClient &>(*cli_).ssl_context(); } |
| return nullptr; |
| } |
| #endif |
| |
| // ---------------------------------------------------------------------------- |
| |
| } // namespace httplib |
| |
| #if defined(_WIN32) && defined(CPPHTTPLIB_USE_POLL) |
| #undef poll |
| #endif |
| |
| #endif // CPPHTTPLIB_HTTPLIB_H |