diff options
Diffstat (limited to 'src/net/java/sip/communicator/plugin/otr/ScOtrKeyManagerImpl.java')
| -rw-r--r-- | src/net/java/sip/communicator/plugin/otr/ScOtrKeyManagerImpl.java | 618 |
1 files changed, 309 insertions, 309 deletions
diff --git a/src/net/java/sip/communicator/plugin/otr/ScOtrKeyManagerImpl.java b/src/net/java/sip/communicator/plugin/otr/ScOtrKeyManagerImpl.java index 890211e..cb57ba4 100644 --- a/src/net/java/sip/communicator/plugin/otr/ScOtrKeyManagerImpl.java +++ b/src/net/java/sip/communicator/plugin/otr/ScOtrKeyManagerImpl.java @@ -1,4 +1,4 @@ -/*
+/* * Jitsi, the OpenSource Java VoIP and Instant Messaging client. * * Copyright @ 2015 Atlassian Pty Ltd @@ -15,311 +15,311 @@ * See the License for the specific language governing permissions and * limitations under the License. */ -package net.java.sip.communicator.plugin.otr;
-
-import java.security.*;
-import java.security.spec.*;
-import java.util.*;
-
-import net.java.otr4j.crypto.*;
-import net.java.sip.communicator.plugin.otr.OtrContactManager.OtrContact;
-import net.java.sip.communicator.service.protocol.*;
-
-/**
- *
- * @author George Politis
- * @author Lyubomir Marinov
- */
-public class ScOtrKeyManagerImpl
- implements ScOtrKeyManager
-{
- private final OtrConfigurator configurator = new OtrConfigurator();
-
- private final List<ScOtrKeyManagerListener> listeners =
- new Vector<ScOtrKeyManagerListener>();
-
- public void addListener(ScOtrKeyManagerListener l)
- {
- synchronized (listeners)
- {
- if (!listeners.contains(l))
- listeners.add(l);
- }
- }
-
- /**
- * Gets a copy of the list of <tt>ScOtrKeyManagerListener</tt>s registered
- * with this instance which may safely be iterated without the risk of a
- * <tt>ConcurrentModificationException</tt>.
- *
- * @return a copy of the list of <tt>ScOtrKeyManagerListener<tt>s registered
- * with this instance which may safely be iterated without the risk of a
- * <tt>ConcurrentModificationException</tt>
- */
- private ScOtrKeyManagerListener[] getListeners()
- {
- synchronized (listeners)
- {
- return
- listeners.toArray(
- new ScOtrKeyManagerListener[listeners.size()]);
- }
- }
-
- public void removeListener(ScOtrKeyManagerListener l)
- {
- synchronized (listeners)
- {
- listeners.remove(l);
- }
- }
-
- public void verify(OtrContact otrContact, String fingerprint)
- {
- if ((fingerprint == null) || otrContact == null)
- return;
-
- this.configurator.setProperty(otrContact.contact.getAddress() + fingerprint
- + ".fingerprint.verified", true);
-
- for (ScOtrKeyManagerListener l : getListeners())
- l.contactVerificationStatusChanged(otrContact);
- }
-
- public void unverify(OtrContact otrContact, String fingerprint)
- {
- if ((fingerprint == null) || otrContact == null)
- return;
-
- this.configurator.setProperty(otrContact.contact.getAddress() + fingerprint
- + ".fingerprint.verified", false);
-
- for (ScOtrKeyManagerListener l : getListeners())
- l.contactVerificationStatusChanged(otrContact);
- }
-
- public boolean isVerified(Contact contact, String fingerprint)
- {
- if (fingerprint == null || contact == null)
- return false;
-
- return this.configurator.getPropertyBoolean(
- contact.getAddress() + fingerprint
- + ".fingerprint.verified", false);
- }
-
- public List<String> getAllRemoteFingerprints(Contact contact)
- {
- if (contact == null)
- return null;
-
- /*
- * The following lines are needed for backward compatibility with old
- * versions of the otr plugin. Instead of lists of fingerprints the otr
- * plugin used to store one public key for every contact in the form of
- * "userID.publicKey=..." and one boolean property in the form of
- * "userID.publicKey.verified=...". In order not to loose these old
- * properties we have to convert them to match the new format.
- */
- String userID = contact.getAddress();
-
- byte[] b64PubKey =
- this.configurator.getPropertyBytes(userID + ".publicKey");
- if (b64PubKey != null)
- {
- // We delete the old format property because we are going to convert
- // it in the new format
- this.configurator.removeProperty(userID + ".publicKey");
-
- X509EncodedKeySpec publicKeySpec = new X509EncodedKeySpec(b64PubKey);
-
- KeyFactory keyFactory;
- try
- {
- keyFactory = KeyFactory.getInstance("DSA");
- PublicKey pubKey = keyFactory.generatePublic(publicKeySpec);
-
- boolean isVerified =
- this.configurator.getPropertyBoolean(userID
- + ".publicKey.verified", false);
-
- // We also make sure to delete this old format property if it
- // exists.
- this.configurator.removeProperty(userID + ".publicKey.verified");
-
- String fingerprint = getFingerprintFromPublicKey(pubKey);
-
- // Now we can store the old properties in the new format.
- if (isVerified)
- verify(OtrContactManager.getOtrContact(contact, null), fingerprint);
- else
- unverify(OtrContactManager.getOtrContact(contact, null), fingerprint);
-
- // Finally we append the new fingerprint to out stored list of
- // fingerprints.
- this.configurator.appendProperty(
- userID + ".fingerprints", fingerprint);
- }
- catch (NoSuchAlgorithmException e)
- {
- e.printStackTrace();
- }
- catch (InvalidKeySpecException e)
- {
- e.printStackTrace();
- }
- }
-
- // Now we can safely return our list of fingerprints for this contact
- // without worrying that we missed an old format property.
- return this.configurator.getAppendedProperties(
- contact.getAddress() + ".fingerprints");
- }
-
- public String getFingerprintFromPublicKey(PublicKey pubKey)
- {
- try
- {
- return new OtrCryptoEngineImpl().getFingerprint(pubKey);
- }
- catch (OtrCryptoException e)
- {
- e.printStackTrace();
- return null;
- }
- }
-
- public String getLocalFingerprint(AccountID account)
- {
- KeyPair keyPair = loadKeyPair(account);
-
- if (keyPair == null)
- return null;
-
- PublicKey pubKey = keyPair.getPublic();
-
- try
- {
- return new OtrCryptoEngineImpl().getFingerprint(pubKey);
- }
- catch (OtrCryptoException e)
- {
- e.printStackTrace();
- return null;
- }
- }
-
- public byte[] getLocalFingerprintRaw(AccountID account)
- {
- KeyPair keyPair = loadKeyPair(account);
-
- if (keyPair == null)
- return null;
-
- PublicKey pubKey = keyPair.getPublic();
-
- try
- {
- return new OtrCryptoEngineImpl().getFingerprintRaw(pubKey);
- }
- catch (OtrCryptoException e)
- {
- e.printStackTrace();
- return null;
- }
- }
-
- public void saveFingerprint(Contact contact, String fingerprint)
- {
- if (contact == null)
- return;
-
- this.configurator.appendProperty(contact.getAddress() + ".fingerprints",
- fingerprint);
-
- this.configurator.setProperty(contact.getAddress() + fingerprint
- + ".fingerprint.verified", false);
- }
-
- public KeyPair loadKeyPair(AccountID account)
- {
- if (account == null)
- return null;
-
- String accountID = account.getAccountUniqueID();
- // Load Private Key.
- byte[] b64PrivKey =
- this.configurator.getPropertyBytes(accountID + ".privateKey");
- if (b64PrivKey == null)
- return null;
-
- PKCS8EncodedKeySpec privateKeySpec =
- new PKCS8EncodedKeySpec(b64PrivKey);
-
- // Load Public Key.
- byte[] b64PubKey =
- this.configurator.getPropertyBytes(accountID + ".publicKey");
- if (b64PubKey == null)
- return null;
-
- X509EncodedKeySpec publicKeySpec = new X509EncodedKeySpec(b64PubKey);
-
- PublicKey publicKey;
- PrivateKey privateKey;
-
- // Generate KeyPair.
- KeyFactory keyFactory;
- try
- {
- keyFactory = KeyFactory.getInstance("DSA");
- publicKey = keyFactory.generatePublic(publicKeySpec);
- privateKey = keyFactory.generatePrivate(privateKeySpec);
- }
- catch (NoSuchAlgorithmException e)
- {
- e.printStackTrace();
- return null;
- }
- catch (InvalidKeySpecException e)
- {
- e.printStackTrace();
- return null;
- }
-
- return new KeyPair(publicKey, privateKey);
- }
-
- public void generateKeyPair(AccountID account)
- {
- if (account == null)
- return;
-
- String accountID = account.getAccountUniqueID();
- KeyPair keyPair;
- try
- {
- keyPair = KeyPairGenerator.getInstance("DSA").genKeyPair();
- }
- catch (NoSuchAlgorithmException e)
- {
- e.printStackTrace();
- return;
- }
-
- // Store Public Key.
- PublicKey pubKey = keyPair.getPublic();
- X509EncodedKeySpec x509EncodedKeySpec =
- new X509EncodedKeySpec(pubKey.getEncoded());
-
- this.configurator.setProperty(accountID + ".publicKey",
- x509EncodedKeySpec.getEncoded());
-
- // Store Private Key.
- PrivateKey privKey = keyPair.getPrivate();
- PKCS8EncodedKeySpec pkcs8EncodedKeySpec =
- new PKCS8EncodedKeySpec(privKey.getEncoded());
-
- this.configurator.setProperty(accountID + ".privateKey",
- pkcs8EncodedKeySpec.getEncoded());
- }
-}
+package net.java.sip.communicator.plugin.otr; + +import java.security.*; +import java.security.spec.*; +import java.util.*; + +import net.java.otr4j.crypto.*; +import net.java.sip.communicator.plugin.otr.OtrContactManager.OtrContact; +import net.java.sip.communicator.service.protocol.*; + +/** + * + * @author George Politis + * @author Lyubomir Marinov + */ +public class ScOtrKeyManagerImpl + implements ScOtrKeyManager +{ + private final OtrConfigurator configurator = new OtrConfigurator(); + + private final List<ScOtrKeyManagerListener> listeners = + new Vector<ScOtrKeyManagerListener>(); + + public void addListener(ScOtrKeyManagerListener l) + { + synchronized (listeners) + { + if (!listeners.contains(l)) + listeners.add(l); + } + } + + /** + * Gets a copy of the list of <tt>ScOtrKeyManagerListener</tt>s registered + * with this instance which may safely be iterated without the risk of a + * <tt>ConcurrentModificationException</tt>. + * + * @return a copy of the list of <tt>ScOtrKeyManagerListener<tt>s registered + * with this instance which may safely be iterated without the risk of a + * <tt>ConcurrentModificationException</tt> + */ + private ScOtrKeyManagerListener[] getListeners() + { + synchronized (listeners) + { + return + listeners.toArray( + new ScOtrKeyManagerListener[listeners.size()]); + } + } + + public void removeListener(ScOtrKeyManagerListener l) + { + synchronized (listeners) + { + listeners.remove(l); + } + } + + public void verify(OtrContact otrContact, String fingerprint) + { + if ((fingerprint == null) || otrContact == null) + return; + + this.configurator.setProperty(otrContact.contact.getAddress() + fingerprint + + ".fingerprint.verified", true); + + for (ScOtrKeyManagerListener l : getListeners()) + l.contactVerificationStatusChanged(otrContact); + } + + public void unverify(OtrContact otrContact, String fingerprint) + { + if ((fingerprint == null) || otrContact == null) + return; + + this.configurator.setProperty(otrContact.contact.getAddress() + fingerprint + + ".fingerprint.verified", false); + + for (ScOtrKeyManagerListener l : getListeners()) + l.contactVerificationStatusChanged(otrContact); + } + + public boolean isVerified(Contact contact, String fingerprint) + { + if (fingerprint == null || contact == null) + return false; + + return this.configurator.getPropertyBoolean( + contact.getAddress() + fingerprint + + ".fingerprint.verified", false); + } + + public List<String> getAllRemoteFingerprints(Contact contact) + { + if (contact == null) + return null; + + /* + * The following lines are needed for backward compatibility with old + * versions of the otr plugin. Instead of lists of fingerprints the otr + * plugin used to store one public key for every contact in the form of + * "userID.publicKey=..." and one boolean property in the form of + * "userID.publicKey.verified=...". In order not to loose these old + * properties we have to convert them to match the new format. + */ + String userID = contact.getAddress(); + + byte[] b64PubKey = + this.configurator.getPropertyBytes(userID + ".publicKey"); + if (b64PubKey != null) + { + // We delete the old format property because we are going to convert + // it in the new format + this.configurator.removeProperty(userID + ".publicKey"); + + X509EncodedKeySpec publicKeySpec = new X509EncodedKeySpec(b64PubKey); + + KeyFactory keyFactory; + try + { + keyFactory = KeyFactory.getInstance("DSA"); + PublicKey pubKey = keyFactory.generatePublic(publicKeySpec); + + boolean isVerified = + this.configurator.getPropertyBoolean(userID + + ".publicKey.verified", false); + + // We also make sure to delete this old format property if it + // exists. + this.configurator.removeProperty(userID + ".publicKey.verified"); + + String fingerprint = getFingerprintFromPublicKey(pubKey); + + // Now we can store the old properties in the new format. + if (isVerified) + verify(OtrContactManager.getOtrContact(contact, null), fingerprint); + else + unverify(OtrContactManager.getOtrContact(contact, null), fingerprint); + + // Finally we append the new fingerprint to out stored list of + // fingerprints. + this.configurator.appendProperty( + userID + ".fingerprints", fingerprint); + } + catch (NoSuchAlgorithmException e) + { + e.printStackTrace(); + } + catch (InvalidKeySpecException e) + { + e.printStackTrace(); + } + } + + // Now we can safely return our list of fingerprints for this contact + // without worrying that we missed an old format property. + return this.configurator.getAppendedProperties( + contact.getAddress() + ".fingerprints"); + } + + public String getFingerprintFromPublicKey(PublicKey pubKey) + { + try + { + return new OtrCryptoEngineImpl().getFingerprint(pubKey); + } + catch (OtrCryptoException e) + { + e.printStackTrace(); + return null; + } + } + + public String getLocalFingerprint(AccountID account) + { + KeyPair keyPair = loadKeyPair(account); + + if (keyPair == null) + return null; + + PublicKey pubKey = keyPair.getPublic(); + + try + { + return new OtrCryptoEngineImpl().getFingerprint(pubKey); + } + catch (OtrCryptoException e) + { + e.printStackTrace(); + return null; + } + } + + public byte[] getLocalFingerprintRaw(AccountID account) + { + KeyPair keyPair = loadKeyPair(account); + + if (keyPair == null) + return null; + + PublicKey pubKey = keyPair.getPublic(); + + try + { + return new OtrCryptoEngineImpl().getFingerprintRaw(pubKey); + } + catch (OtrCryptoException e) + { + e.printStackTrace(); + return null; + } + } + + public void saveFingerprint(Contact contact, String fingerprint) + { + if (contact == null) + return; + + this.configurator.appendProperty(contact.getAddress() + ".fingerprints", + fingerprint); + + this.configurator.setProperty(contact.getAddress() + fingerprint + + ".fingerprint.verified", false); + } + + public KeyPair loadKeyPair(AccountID account) + { + if (account == null) + return null; + + String accountID = account.getAccountUniqueID(); + // Load Private Key. + byte[] b64PrivKey = + this.configurator.getPropertyBytes(accountID + ".privateKey"); + if (b64PrivKey == null) + return null; + + PKCS8EncodedKeySpec privateKeySpec = + new PKCS8EncodedKeySpec(b64PrivKey); + + // Load Public Key. + byte[] b64PubKey = + this.configurator.getPropertyBytes(accountID + ".publicKey"); + if (b64PubKey == null) + return null; + + X509EncodedKeySpec publicKeySpec = new X509EncodedKeySpec(b64PubKey); + + PublicKey publicKey; + PrivateKey privateKey; + + // Generate KeyPair. + KeyFactory keyFactory; + try + { + keyFactory = KeyFactory.getInstance("DSA"); + publicKey = keyFactory.generatePublic(publicKeySpec); + privateKey = keyFactory.generatePrivate(privateKeySpec); + } + catch (NoSuchAlgorithmException e) + { + e.printStackTrace(); + return null; + } + catch (InvalidKeySpecException e) + { + e.printStackTrace(); + return null; + } + + return new KeyPair(publicKey, privateKey); + } + + public void generateKeyPair(AccountID account) + { + if (account == null) + return; + + String accountID = account.getAccountUniqueID(); + KeyPair keyPair; + try + { + keyPair = KeyPairGenerator.getInstance("DSA").genKeyPair(); + } + catch (NoSuchAlgorithmException e) + { + e.printStackTrace(); + return; + } + + // Store Public Key. + PublicKey pubKey = keyPair.getPublic(); + X509EncodedKeySpec x509EncodedKeySpec = + new X509EncodedKeySpec(pubKey.getEncoded()); + + this.configurator.setProperty(accountID + ".publicKey", + x509EncodedKeySpec.getEncoded()); + + // Store Private Key. + PrivateKey privKey = keyPair.getPrivate(); + PKCS8EncodedKeySpec pkcs8EncodedKeySpec = + new PKCS8EncodedKeySpec(privKey.getEncoded()); + + this.configurator.setProperty(accountID + ".privateKey", + pkcs8EncodedKeySpec.getEncoded()); + } +} |