Smack/smack-openpgp-bouncycastle/src/main/java/org/jivesoftware/smackx/ox/bouncycastle/FileBasedBouncyCastleIdenti...

126 lines
4.2 KiB
Java

/**
*
* Copyright 2018 Paul Schaub.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jivesoftware.smackx.ox.bouncycastle;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.EOFException;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.text.ParseException;
import java.util.Date;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.jivesoftware.smack.util.Objects;
import org.jivesoftware.smackx.ox.element.PublicKeysListElement;
import org.bouncycastle.openpgp.PGPPublicKeyRingCollection;
import org.bouncycastle.openpgp.PGPSecretKeyRingCollection;
import org.jxmpp.jid.BareJid;
import org.jxmpp.util.XmppDateTime;
public class FileBasedBouncyCastleIdentityStore implements BouncyCastleIdentityStore {
private static final Logger LOGGER = Logger.getLogger(FileBasedBouncyCastleIdentityStore.class.getName());
private final File baseDirectory;
public FileBasedBouncyCastleIdentityStore(File path) {
// Check if path is not null, not a file and directory exists
if (!Objects.requireNonNull(path).exists()) {
path.mkdirs();
} else if (path.isFile()) {
throw new IllegalArgumentException("Path MUST point to a directory, not a file.");
}
this.baseDirectory = path;
}
@Override
public void storeActivePubkeyList(BareJid jid, PublicKeysListElement list) throws IOException {
File contactsDir = contactsDir(jid);
File destination = new File(contactsDir, "pubkey_list");
DataOutputStream dataOut = new DataOutputStream(new FileOutputStream(destination));
for (String key : list.getMetadata().keySet()) {
PublicKeysListElement.PubkeyMetadataElement value = list.getMetadata().get(key);
dataOut.writeUTF(value.getV4Fingerprint());
dataOut.writeUTF(XmppDateTime.formatXEP0082Date(value.getDate()));
}
dataOut.close();
}
@Override
public PublicKeysListElement loadActivePubkeyList(BareJid jid) throws IOException {
File contactsDir = contactsDir(jid);
File source = new File(contactsDir, "pubkey_list");
if (!source.exists()) {
LOGGER.log(Level.FINE, "File " + source.getAbsolutePath() + " does not exist. Returning null.");
return null;
}
DataInputStream dataIn = new DataInputStream(new FileInputStream(source));
PublicKeysListElement.Builder builder = PublicKeysListElement.builder();
while (true) {
try {
String fingerprint = dataIn.readUTF();
String d = dataIn.readUTF();
Date date = XmppDateTime.parseXEP0082Date(d);
builder.addMetadata(new PublicKeysListElement.PubkeyMetadataElement(fingerprint, date));
} catch (ParseException e) {
LOGGER.log(Level.WARNING, "Could not parse date.", e);
} catch (EOFException e) {
LOGGER.log(Level.INFO, "Reached EOF.");
break;
}
}
return builder.build();
}
@Override
public void storePublicKeys(BareJid jid, PGPPublicKeyRingCollection keys) {
}
@Override
public PGPPublicKeyRingCollection loadPublicKeys(BareJid jid) {
return null;
}
@Override
public void storeSecretKeys(PGPSecretKeyRingCollection secretKeys) {
}
@Override
public PGPSecretKeyRingCollection loadSecretKeys() {
return null;
}
private File contactsDir(BareJid contact) {
File f = new File(baseDirectory, "contacts/" + contact.toString());
if (!f.exists()) {
f.mkdirs();
}
return f;
}
}