| /* BaseKeyring.java -- |
| Copyright (C) 2003, 2006 Free Software Foundation, Inc. |
| |
| This file is a part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or (at |
| your option) any later version. |
| |
| GNU Classpath is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 |
| USA |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package gnu.javax.crypto.keyring; |
| |
| import gnu.java.security.Registry; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.util.Enumeration; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.StringTokenizer; |
| |
| public abstract class BaseKeyring |
| implements IKeyring |
| { |
| /** The top-level keyring data. */ |
| protected PasswordAuthenticatedEntry keyring; |
| protected CompressedEntry keyring2; |
| |
| public BaseKeyring() |
| { |
| } |
| |
| public void load(Map attributes) throws IOException |
| { |
| InputStream in = (InputStream) attributes.get(KEYRING_DATA_IN); |
| if (in == null) |
| throw new IllegalArgumentException("no input stream"); |
| char[] password = (char[]) attributes.get(KEYRING_PASSWORD); |
| if (password == null) |
| password = new char[0]; |
| |
| if (in.read() != Registry.GKR_MAGIC[0] |
| || in.read() != Registry.GKR_MAGIC[1] |
| || in.read() != Registry.GKR_MAGIC[2] |
| || in.read() != Registry.GKR_MAGIC[3]) |
| throw new MalformedKeyringException("magic"); |
| |
| load(in, password); |
| List l = keyring.getEntries(); |
| if (l.size() == 1 && (l.get(0) instanceof CompressedEntry)) |
| keyring2 = (CompressedEntry) l.get(0); |
| } |
| |
| public void store(Map attributes) throws IOException |
| { |
| OutputStream out = (OutputStream) attributes.get(KEYRING_DATA_OUT); |
| if (out == null) |
| throw new IllegalArgumentException("no output stream"); |
| char[] password = (char[]) attributes.get(KEYRING_PASSWORD); |
| if (password == null) |
| password = new char[0]; |
| if (keyring == null) |
| throw new IllegalStateException("empty keyring"); |
| |
| out.write(Registry.GKR_MAGIC); |
| store(out, password); |
| } |
| |
| public void reset() |
| { |
| keyring = null; |
| } |
| |
| public int size() |
| { |
| if (keyring == null) |
| throw new IllegalStateException("keyring not loaded"); |
| return ((StringTokenizer) aliases()).countTokens(); |
| } |
| |
| public Enumeration aliases() |
| { |
| if (keyring == null) |
| throw new IllegalStateException("keyring not loaded"); |
| return new StringTokenizer(keyring.getAliasList(), ";"); |
| } |
| |
| public boolean containsAlias(String alias) |
| { |
| if (keyring == null) |
| throw new IllegalStateException("keyring not loaded"); |
| return keyring.containsAlias(alias); |
| } |
| |
| public List get(String alias) |
| { |
| if (keyring == null) |
| throw new IllegalStateException("keyring not loaded"); |
| return keyring.get(alias); |
| } |
| |
| public void add(Entry entry) |
| { |
| if (keyring == null) |
| throw new IllegalStateException("keyring not loaded"); |
| if (keyring2 != null) |
| keyring2.add(entry); |
| else |
| keyring.add(entry); |
| } |
| |
| public void remove(String alias) |
| { |
| if (keyring == null) |
| throw new IllegalStateException("keyring not loaded"); |
| keyring.remove(alias); |
| } |
| |
| protected String fixAlias(String alias) |
| { |
| return alias.replace(';', '_'); |
| } |
| |
| protected abstract void load(InputStream in, char[] password) |
| throws IOException; |
| |
| protected abstract void store(OutputStream out, char[] password) |
| throws IOException; |
| } |