@@ -118,9 +118,11 @@ public class Account extends AbstractEntity {
REGISTRATION_CONFLICT(true),
REGISTRATION_SUCCESSFUL,
REGISTRATION_NOT_SUPPORTED(true),
- SECURITY_ERROR(true),
+ TLS_ERROR(true),
INCOMPATIBLE_SERVER(true),
TOR_NOT_AVAILABLE(true),
+ DOWNGRADE_ATTACK(true),
+ SESSION_FAILURE(true),
BIND_FAILURE(true),
HOST_UNKNOWN(true),
REGISTRATION_PLEASE_WAIT(true),
@@ -168,14 +170,18 @@ public class Account extends AbstractEntity {
return R.string.account_status_regis_success;
case REGISTRATION_NOT_SUPPORTED:
return R.string.account_status_regis_not_sup;
- case SECURITY_ERROR:
- return R.string.account_status_security_error;
+ case TLS_ERROR:
+ return R.string.account_status_tls_error;
case INCOMPATIBLE_SERVER:
return R.string.account_status_incompatible_server;
case TOR_NOT_AVAILABLE:
return R.string.account_status_tor_unavailable;
case BIND_FAILURE:
return R.string.account_status_bind_failure;
+ case SESSION_FAILURE:
+ return R.string.session_failure;
+ case DOWNGRADE_ATTACK:
+ return R.string.downgrade_attack;
case HOST_UNKNOWN:
return R.string.account_status_host_unknown;
case POLICY_VIOLATION:
@@ -299,7 +299,7 @@ public class XmppConnection implements Runnable {
final SSLSession session = ((SSLSocket) localSocket).getSession();
if (!tlsFactoryVerifier.verifier.verify(account.getServer().getDomainpart(), session)) {
Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": TLS certificate verification failed");
- throw new SecurityException();
+ throw new StateChangingException(Account.State.TLS_ERROR);
}
} catch (KeyManagementException e) {
features.encryptionEnabled = false;
@@ -388,7 +388,7 @@ public class XmppConnection implements Runnable {
if (!tlsFactoryVerifier.verifier.verify(account.getServer().getDomainpart(), ((SSLSocket) localSocket).getSession())) {
Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": TLS certificate verification failed");
- throw new SecurityException();
+ throw new StateChangingException(Account.State.TLS_ERROR);
}
}
if (startXmpp(localSocket)) {
@@ -396,7 +396,7 @@ public class XmppConnection implements Runnable {
} else {
localSocket.close();
}
- } catch (final SecurityException e) {
+ } catch (final StateChangingException e) {
throw e;
} catch (InterruptedException e) {
Log.d(Config.LOGTAG,account.getJid().toBareJid()+": thread was interrupted before beginning stream");
@@ -410,28 +410,14 @@ public class XmppConnection implements Runnable {
}
}
processStream();
- } catch (final java.lang.SecurityException e) {
+ } catch (final SecurityException e) {
this.changeStatus(Account.State.MISSING_INTERNET_PERMISSION);
- } catch (final RegistrationNotSupportedException e) {
- this.changeStatus(Account.State.REGISTRATION_NOT_SUPPORTED);
- } catch (final IncompatibleServerException e) {
- this.changeStatus(Account.State.INCOMPATIBLE_SERVER);
- } catch (final SecurityException e) {
- this.changeStatus(Account.State.SECURITY_ERROR);
- } catch (final UnauthorizedException e) {
- this.changeStatus(Account.State.UNAUTHORIZED);
- } catch (final PaymentRequiredException e) {
- this.changeStatus(Account.State.PAYMENT_REQUIRED);
+ } catch(final StateChangingException e) {
+ this.changeStatus(e.state);
} catch (final UnknownHostException | ConnectException e) {
this.changeStatus(Account.State.SERVER_NOT_FOUND);
} catch (final SocksSocketFactory.SocksProxyNotFoundException e) {
this.changeStatus(Account.State.TOR_NOT_AVAILABLE);
- } catch(final StreamErrorHostUnknown e) {
- this.changeStatus(Account.State.HOST_UNKNOWN);
- } catch(final StreamErrorPolicyViolation e) {
- this.changeStatus(Account.State.POLICY_VIOLATION);
- } catch(final StreamError e) {
- this.changeStatus(Account.State.STREAM_ERROR);
} catch (final IOException | XmlPullParserException | NoSuchAlgorithmException e) {
Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": " + e.getMessage());
this.changeStatus(Account.State.OFFLINE);
@@ -528,8 +514,8 @@ public class XmppConnection implements Runnable {
try {
saslMechanism.getResponse(challenge);
} catch (final SaslMechanism.AuthenticationException e) {
- disconnect(true);
Log.e(Config.LOGTAG, String.valueOf(e));
+ throw new StateChangingException(Account.State.UNAUTHORIZED);
}
Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": logged in");
account.setKey(Account.PINNED_MECHANISM_KEY,
@@ -551,9 +537,9 @@ public class XmppConnection implements Runnable {
&& text.contains("renew")
&& Config.MAGIC_CREATE_DOMAIN != null
&& text.contains(Config.MAGIC_CREATE_DOMAIN)) {
- throw new PaymentRequiredException();
+ throw new StateChangingException(Account.State.PAYMENT_REQUIRED);
} else {
- throw new UnauthorizedException();
+ throw new StateChangingException(Account.State.UNAUTHORIZED);
}
} else if (nextTag.isStart("challenge")) {
final String challenge = tagReader.readElement(nextTag).getContent();
@@ -776,7 +762,11 @@ public class XmppConnection implements Runnable {
}
}
if (callback != null) {
- callback.onIqPacketReceived(account,packet);
+ try {
+ callback.onIqPacketReceived(account, packet);
+ } catch (StateChangingError error) {
+ throw new StateChangingException(error.state);
+ }
}
}
}
@@ -819,7 +809,7 @@ public class XmppConnection implements Runnable {
if (!tlsFactoryVerifier.verifier.verify(account.getServer().getDomainpart(), sslSocket.getSession())) {
Log.d(Config.LOGTAG,account.getJid().toBareJid()+": TLS certificate verification failed");
- throw new SecurityException();
+ throw new StateChangingException(Account.State.TLS_ERROR);
}
tagReader.setInputStream(sslSocket.getInputStream());
tagWriter.setOutputStream(sslSocket.getOutputStream());
@@ -835,7 +825,7 @@ public class XmppConnection implements Runnable {
sslSocket.close();
} catch (final NoSuchAlgorithmException | KeyManagementException e1) {
Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": TLS certificate verification failed");
- throw new SecurityException();
+ throw new StateChangingException(Account.State.TLS_ERROR);
}
}
@@ -848,10 +838,10 @@ public class XmppConnection implements Runnable {
if (features.encryptionEnabled || Config.ALLOW_NON_TLS_CONNECTIONS) {
sendRegistryRequest();
} else {
- throw new IncompatibleServerException();
+ throw new StateChangingException(Account.State.INCOMPATIBLE_SERVER);
}
} else if (!this.streamFeatures.hasChild("register") && account.isOptionSet(Account.OPTION_REGISTER)) {
- throw new RegistrationNotSupportedException();
+ throw new StateChangingException(Account.State.REGISTRATION_NOT_SUPPORTED);
} else if (this.streamFeatures.hasChild("mechanisms")
&& shouldAuthenticate
&& (features.encryptionEnabled || Config.ALLOW_NON_TLS_CONNECTIONS)) {
@@ -868,7 +858,7 @@ public class XmppConnection implements Runnable {
if (this.streamFeatures.hasChild("bind")) {
sendBindRequest();
} else {
- throw new IncompatibleServerException();
+ throw new StateChangingException(Account.State.INCOMPATIBLE_SERVER);
}
}
}
@@ -898,7 +888,7 @@ public class XmppConnection implements Runnable {
" has lower priority (" + String.valueOf(saslMechanism.getPriority()) +
") than pinned priority (" + pinnedMechanism +
"). Possible downgrade attack?");
- throw new SecurityException();
+ throw new StateChangingException(Account.State.DOWNGRADE_ATTACK);
}
Log.d(Config.LOGTAG, account.getJid().toString() + ": Authenticating with " + saslMechanism.getMechanism());
auth.setAttribute("mechanism", saslMechanism.getMechanism());
@@ -907,7 +897,7 @@ public class XmppConnection implements Runnable {
}
tagWriter.writeElement(auth);
} else {
- throw new IncompatibleServerException();
+ throw new StateChangingException(Account.State.INCOMPATIBLE_SERVER);
}
}
@@ -1042,8 +1032,7 @@ public class XmppConnection implements Runnable {
} else {
Log.d(Config.LOGTAG, account.getJid() + ": disconnecting because of bind failure (" + packet.toString());
}
- forceCloseSocket();
- changeStatus(Account.State.BIND_FAILURE);
+ throw new StateChangingError(Account.State.BIND_FAILURE);
}
});
}
@@ -1085,8 +1074,7 @@ public class XmppConnection implements Runnable {
if (packet.getType() == IqPacket.TYPE.RESULT) {
sendPostBindInitialization();
} else if (packet.getType() != IqPacket.TYPE.TIMEOUT) {
- Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": could not init sessions");
- disconnect(true);
+ throw new StateChangingError(Account.State.SESSION_FAILURE);
}
}
});
@@ -1266,12 +1254,12 @@ public class XmppConnection implements Runnable {
+ account.getResource() + ")");
throw new IOException();
} else if (streamError.hasChild("host-unknown")) {
- throw new StreamErrorHostUnknown();
+ throw new StateChangingException(Account.State.HOST_UNKNOWN);
} else if (streamError.hasChild("policy-violation")) {
- throw new StreamErrorPolicyViolation();
+ throw new StateChangingException(Account.State.POLICY_VIOLATION);
} else {
Log.d(Config.LOGTAG,account.getJid().toBareJid()+": stream error "+streamError.toString());
- throw new StreamError();
+ throw new StateChangingException(Account.State.STREAM_ERROR);
}
}
@@ -1561,36 +1549,20 @@ public class XmppConnection implements Runnable {
return Identity.UNKNOWN;
}
- private class UnauthorizedException extends IOException {
-
- }
-
- private class SecurityException extends IOException {
-
- }
-
- private class IncompatibleServerException extends IOException {
-
- }
-
- private class StreamErrorHostUnknown extends StreamError {
-
- }
-
- private class StreamErrorPolicyViolation extends StreamError {
-
- }
-
- private class StreamError extends IOException {
-
- }
-
- private class PaymentRequiredException extends IOException {
+ private class StateChangingError extends Error {
+ private final Account.State state;
+ public StateChangingError(Account.State state) {
+ this.state = state;
+ }
}
- private class RegistrationNotSupportedException extends IOException {
+ private class StateChangingException extends IOException {
+ private final Account.State state;
+ public StateChangingException(Account.State state) {
+ this.state = state;
+ }
}
public enum Identity {
@@ -158,7 +158,7 @@
<string name="account_status_regis_conflict">Username already in use</string>
<string name="account_status_regis_success">Registration completed</string>
<string name="account_status_regis_not_sup">Server does not support registration</string>
- <string name="account_status_security_error">Security error</string>
+ <string name="account_status_tls_error">TLS error</string>
<string name="account_status_policy_violation">Policy violation</string>
<string name="account_status_incompatible_server">Incompatible server</string>
<string name="account_status_stream_error">Stream error</string>
@@ -747,4 +747,6 @@
<string name="block_entire_domain">Block entire domain</string>
<string name="online_right_now">online right now</string>
<string name="retry_decryption">Retry decryption</string>
+ <string name="session_failure">Session failure</string>
+ <string name="downgrade_attack">Downgrade attack</string>
</resources>