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-rw-r--r--src/com/isode/stroke/client/ClientSession.java23
1 files changed, 11 insertions, 12 deletions
diff --git a/src/com/isode/stroke/client/ClientSession.java b/src/com/isode/stroke/client/ClientSession.java
index 42d82ca..469688d 100644
--- a/src/com/isode/stroke/client/ClientSession.java
+++ b/src/com/isode/stroke/client/ClientSession.java
@@ -8,8 +8,13 @@
*/
package com.isode.stroke.client;
+import java.util.List;
+import java.util.UUID;
+import java.util.logging.Logger;
+
import com.isode.stroke.base.ByteArray;
import com.isode.stroke.base.SafeByteArray;
+import com.isode.stroke.crypto.CryptoProvider;
import com.isode.stroke.elements.AuthChallenge;
import com.isode.stroke.elements.AuthFailure;
import com.isode.stroke.elements.AuthRequest;
@@ -28,18 +33,19 @@ import com.isode.stroke.elements.StanzaAck;
import com.isode.stroke.elements.StanzaAckRequest;
import com.isode.stroke.elements.StartSession;
import com.isode.stroke.elements.StartTLSFailure;
-import com.isode.stroke.elements.StreamFeatures;
import com.isode.stroke.elements.StartTLSRequest;
import com.isode.stroke.elements.StreamError;
+import com.isode.stroke.elements.StreamFeatures;
import com.isode.stroke.elements.StreamManagementEnabled;
import com.isode.stroke.elements.StreamManagementFailed;
import com.isode.stroke.elements.TLSProceed;
+import com.isode.stroke.idn.IDNConverter;
import com.isode.stroke.jid.JID;
import com.isode.stroke.sasl.ClientAuthenticator;
-import com.isode.stroke.sasl.PLAINClientAuthenticator;
-import com.isode.stroke.sasl.SCRAMSHA1ClientAuthenticator;
import com.isode.stroke.sasl.DIGESTMD5ClientAuthenticator;
import com.isode.stroke.sasl.EXTERNALClientAuthenticator;
+import com.isode.stroke.sasl.PLAINClientAuthenticator;
+import com.isode.stroke.sasl.SCRAMSHA1ClientAuthenticator;
import com.isode.stroke.session.SessionStream;
import com.isode.stroke.signals.Signal;
import com.isode.stroke.signals.Signal1;
@@ -52,13 +58,6 @@ import com.isode.stroke.tls.Certificate;
import com.isode.stroke.tls.CertificateTrustChecker;
import com.isode.stroke.tls.CertificateVerificationError;
import com.isode.stroke.tls.ServerIdentityVerifier;
-import com.isode.stroke.idn.IDNConverter;
-import com.isode.stroke.idn.ICUConverter;
-import com.isode.stroke.crypto.CryptoProvider;
-import com.isode.stroke.crypto.JavaCryptoProvider;
-import java.util.logging.Logger;
-import java.util.List;
-import java.util.UUID;
public class ClientSession {
public final Signal onNeedCredentials = new Signal();
@@ -385,10 +384,10 @@ public class ClientSession {
boolean plus = streamFeatures.hasAuthenticationMechanism("SCRAM-SHA-1-PLUS");
if (stream.isTLSEncrypted()) {
finishMessage = stream.getTLSFinishMessage();
- plus &= !(finishMessage.isEmpty());
+ plus &= !(finishMessage == null || finishMessage.isEmpty());
}
final SCRAMSHA1ClientAuthenticator scramAuthenticator = new SCRAMSHA1ClientAuthenticator(UUID.randomUUID().toString(), plus, idnConverter, crypto);
- if (!(finishMessage.isEmpty())) {
+ if (!(finishMessage == null || finishMessage.isEmpty())) {
scramAuthenticator.setTLSChannelBindingData(finishMessage);
}
authenticator = scramAuthenticator;