Close the provisioning socket

js/libtextsecure.js

@@ -38356,6 +38356,7 @@ TextSecureWebSocket = function (url) {
 
     function resetKeepAliveTimer() {
         clearTimeout(keepAliveTimer);
+        if (calledClose) { return; }
         keepAliveTimer = setTimeout(function() {
             if (socket.readyState === WebSocket.OPEN) {
                 socket.send(
@@ -39298,7 +39299,8 @@ TextSecureServer = function () {
         registerSecondDevice: function(setProvisioningUrl, confirmNumber, progressCallback) {
             return textsecure.protocol_wrapper.createIdentityKeyRecvSocket().then(function(cryptoInfo) {
                 return new Promise(function(resolve) {
-                    new WebSocketResource(TextSecureServer.getTempWebsocket(), function(request) {
+                    var socket = TextSecureServer.getTempWebsocket();
+                    new WebSocketResource(socket, function(request) {
                         if (request.path == "/v1/address" && request.verb == "PUT") {
                             var proto = textsecure.protobuf.ProvisioningUuid.decode(request.body);
                             setProvisioningUrl([
@@ -39309,6 +39311,7 @@ TextSecureServer = function () {
                         } else if (request.path == "/v1/message" && request.verb == "PUT") {
                             var envelope = textsecure.protobuf.ProvisionEnvelope.decode(request.body, 'binary');
                             request.respond(200, 'OK');
+                            socket.close();
                             resolve(cryptoInfo.decryptAndHandleDeviceInit(envelope).then(function(provisionMessage) {
                                 return confirmNumber(provisionMessage.number).then(function() {
                                     return createAccount(