From 805717673c1277e7f6783b4f6e6827741c650619 Mon Sep 17 00:00:00 2001
From: Sam Whited <sam@samwhited.com>
Date: Sun, 7 Aug 2016 09:46:01 -0500
Subject: Support ANONYMOUS SASL

---
 .../siacs/conversations/crypto/sasl/Anonymous.java | 28 ++++++++++++++++++++++
 .../siacs/conversations/xmpp/XmppConnection.java   |  3 +++
 2 files changed, 31 insertions(+)
 create mode 100644 src/main/java/eu/siacs/conversations/crypto/sasl/Anonymous.java

diff --git a/src/main/java/eu/siacs/conversations/crypto/sasl/Anonymous.java b/src/main/java/eu/siacs/conversations/crypto/sasl/Anonymous.java
new file mode 100644
index 00000000..4672bc1f
--- /dev/null
+++ b/src/main/java/eu/siacs/conversations/crypto/sasl/Anonymous.java
@@ -0,0 +1,28 @@
+package eu.siacs.conversations.crypto.sasl;
+
+import java.security.SecureRandom;
+
+import eu.siacs.conversations.entities.Account;
+import eu.siacs.conversations.xml.TagWriter;
+
+public class Anonymous extends SaslMechanism {
+
+	public Anonymous(TagWriter tagWriter, Account account, SecureRandom rng) {
+		super(tagWriter, account, rng);
+	}
+
+	@Override
+	public int getPriority() {
+		return 0;
+	}
+
+	@Override
+	public String getMechanism() {
+		return "ANONYMOUS";
+	}
+
+	@Override
+	public String getClientFirstMessage() {
+		return "";
+	}
+}
diff --git a/src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java b/src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java
index 964444af..8ff02e46 100644
--- a/src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java
+++ b/src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java
@@ -55,6 +55,7 @@ import javax.net.ssl.X509TrustManager;
 import de.duenndns.ssl.MemorizingTrustManager;
 import eu.siacs.conversations.Config;
 import eu.siacs.conversations.crypto.XmppDomainVerifier;
+import eu.siacs.conversations.crypto.sasl.Anonymous;
 import eu.siacs.conversations.crypto.sasl.DigestMd5;
 import eu.siacs.conversations.crypto.sasl.External;
 import eu.siacs.conversations.crypto.sasl.Plain;
@@ -841,6 +842,8 @@ public class XmppConnection implements Runnable {
 			saslMechanism = new Plain(tagWriter, account);
 		} else if (mechanisms.contains("DIGEST-MD5")) {
 			saslMechanism = new DigestMd5(tagWriter, account, mXmppConnectionService.getRNG());
+		} else if (mechanisms.contains("ANONYMOUS")) {
+			saslMechanism = new Anonymous(tagWriter, account, mXmppConnectionService.getRNG());
 		}
 		if (saslMechanism != null) {
 			final JSONObject keys = account.getKeys();
-- 
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