Support for sending and receiving verification sync messages

This adds a new method to message sender for sending verification sync messages
and a new event to message receiver representing incoming verification sync
messages. Currently the event handler just logs the message.

// FREEBIE

js/background.js

@@ -119,7 +119,7 @@
         messageReceiver.addEventListener('group', onGroupReceived);
         messageReceiver.addEventListener('sent', onSentMessage);
         messageReceiver.addEventListener('read', onReadReceipt);
-        // messageReceiver.addEventListener('verify', onVerify);
+        messageReceiver.addEventListener('verification', onVerify);
         messageReceiver.addEventListener('error', onError);
 
 
@@ -326,6 +326,29 @@
         });
     }
 
+    function onVerification(ev) {
+        var state;
+        switch(ev.state) {
+          case textsecure.protobuf.Verification.State.DEFAULT:
+            state = 'DEFAULT';
+            break;
+          case textsecure.protobuf.Verification.State.VERIFIED:
+            state = 'VERIFIED';
+            break;
+          case textsecure.protobuf.Verification.State.NO_LONGER_VERIFIED:
+            state = 'UNVERIFIED';
+            break;
+        }
+        console.log('got verification sync for', ev.destination, state);
+        /* TODO
+        processVerifiedMessage(
+          textsecure.storage.protocol.VerifiedStatus[state],
+          ev.destination,
+          ev.identityKey
+        );
+        */
+    }
+
     window.owsDesktopApp = {
         getAppView: function(destWindow) {
 

js/libtextsecure.js

@@ -38481,10 +38481,23 @@ MessageReceiver.prototype.extend({
             console.log('read messages',
                     'from', envelope.source + '.' + envelope.sourceDevice);
             this.handleRead(syncMessage.read, envelope.timestamp);
+        } else if (syncMessage.verification) {
+            this.handleVerification(syncMessage.verification);
         } else {
             throw new Error('Got empty SyncMessage');
         }
     },
+    handleVerification: function(verification) {
+        for (var i = 0; i < verification.length; ++i) {
+            var ev = new Event('verification');
+            ev.verification = {
+                state: verification[i].state,
+                destination: verification[i].destination,
+                identityKey: verification[i].identityKey.toArrayBuffer()
+            };
+            this.dispatchEvent(ev);
+        }
+    },
     handleRead: function(read, timestamp) {
         for (var i = 0; i < read.length; ++i) {
             var ev = new Event('read');
@@ -39250,6 +39263,24 @@ MessageSender.prototype = {
             return this.sendIndividualProto(myNumber, contentMessage, Date.now());
         }
     },
+    syncVerification: function(state, destination, identityKey) {
+        var myNumber = textsecure.storage.user.getNumber();
+        var myDevice = textsecure.storage.user.getDeviceId();
+        if (myDevice != 1) {
+            var verification = new textsecure.protobuf.SyncMessage.Verification();
+            verification.state = state;
+            verification.destination = destination;
+            verification.identityKey = identityKey;
+
+            var syncMessage = new textsecure.protobuf.SyncMessage();
+            syncMessage.verification = verification;
+
+            var contentMessage = new textsecure.protobuf.Content();
+            contentMessage.syncMessage = syncMessage;
+
+            return this.sendIndividualProto(myNumber, contentMessage, Date.now());
+        }
+    },
 
     sendGroupProto: function(numbers, proto, timestamp) {
         timestamp = timestamp || Date.now();
@@ -39495,6 +39526,7 @@ textsecure.MessageSender = function(url, ports, username, password) {
     this.sendSyncMessage                   = sender.sendSyncMessage                  .bind(sender);
     this.getProfile                        = sender.getProfile                       .bind(sender);
     this.syncReadMessages                  = sender.syncReadMessages                 .bind(sender);
+    this.syncVerification                  = sender.syncReadMessages                 .bind(sender);
 };
 
 textsecure.MessageSender.prototype = {

libtextsecure/message_receiver.js

@@ -272,10 +272,23 @@ MessageReceiver.prototype.extend({
             console.log('read messages',
                     'from', envelope.source + '.' + envelope.sourceDevice);
             this.handleRead(syncMessage.read, envelope.timestamp);
+        } else if (syncMessage.verification) {
+            this.handleVerification(syncMessage.verification);
         } else {
             throw new Error('Got empty SyncMessage');
         }
     },
+    handleVerification: function(verification) {
+        for (var i = 0; i < verification.length; ++i) {
+            var ev = new Event('verification');
+            ev.verification = {
+                state: verification[i].state,
+                destination: verification[i].destination,
+                identityKey: verification[i].identityKey.toArrayBuffer()
+            };
+            this.dispatchEvent(ev);
+        }
+    },
     handleRead: function(read, timestamp) {
         for (var i = 0; i < read.length; ++i) {
             var ev = new Event('read');

libtextsecure/sendmessage.js

@@ -305,6 +305,24 @@ MessageSender.prototype = {
             return this.sendIndividualProto(myNumber, contentMessage, Date.now());
         }
     },
+    syncVerification: function(state, destination, identityKey) {
+        var myNumber = textsecure.storage.user.getNumber();
+        var myDevice = textsecure.storage.user.getDeviceId();
+        if (myDevice != 1) {
+            var verification = new textsecure.protobuf.SyncMessage.Verification();
+            verification.state = state;
+            verification.destination = destination;
+            verification.identityKey = identityKey;
+
+            var syncMessage = new textsecure.protobuf.SyncMessage();
+            syncMessage.verification = verification;
+
+            var contentMessage = new textsecure.protobuf.Content();
+            contentMessage.syncMessage = syncMessage;
+
+            return this.sendIndividualProto(myNumber, contentMessage, Date.now());
+        }
+    },
 
     sendGroupProto: function(numbers, proto, timestamp) {
         timestamp = timestamp || Date.now();
@@ -550,6 +568,7 @@ textsecure.MessageSender = function(url, ports, username, password) {
     this.sendSyncMessage                   = sender.sendSyncMessage                  .bind(sender);
     this.getProfile                        = sender.getProfile                       .bind(sender);
     this.syncReadMessages                  = sender.syncReadMessages                 .bind(sender);
+    this.syncVerification                  = sender.syncReadMessages                 .bind(sender);
 };
 
 textsecure.MessageSender.prototype = {