Integrate backbone.browserStorage. Fixes #176

Data is now by default cached in sessionStorage and not localStorage.
Can be configured via the "storage" option.

bower.json

@@ -14,7 +14,8 @@
     "tinysort": "git://github.com/Sjeiti/TinySort.git",
     "underscore": "1.6.0",
     "backbone": "1.1.2",
-    "backbone.localStorage": "1.1.7",
+    "backbone.browserStorage": "*",
+    "backbone.overview": "*",
     "strophe": "git@github.com:strophe/strophejs-bower.git#v1.1.3",
     "strophe.roster": "https://raw.github.com/strophe/strophejs-plugins/b1f364eb6e854ffe844c57add38e885cfeb9b498/roster/strophe.roster.js",
     "strophe.vcard": "https://raw.github.com/strophe/strophejs-plugins/f5c9e16b463610d501591452cded0359f53aae48/vcard/strophe.vcard.js",
@@ -26,8 +27,7 @@
     "requirejs-text": "~2.0.12",
     "requirejs-tpl-jcbrand": "*",
     "momentjs": "~2.6.0",
-    "jquery.browser": "~0.0.6",
-    "backbone.overview": "*"
+    "jquery.browser": "~0.0.6"
   },
   "exportsOverride": {}
 }

converse.js

@@ -163,6 +163,7 @@
         this.show_controlbox_by_default = false;
         this.show_only_online_users = false;
         this.show_toolbar = true;
+        this.storage = 'session';
         this.use_otr_by_default = false;
         this.use_vcards = true;
         this.visible_toolbar_buttons = {
@@ -204,6 +205,7 @@
             'show_only_online_users',
             'show_toolbar',
             'sid',
+            'storage',
             'use_otr_by_default',
             'use_vcards',
             'xhr_custom_status',
@@ -453,9 +455,9 @@
 
         this.initStatus = function (callback) {
             this.xmppstatus = new this.XMPPStatus();
-            var id = b64_sha1('converse.xmppstatus-'+this.bare_jid);
-            this.xmppstatus.id = id; // Appears to be necessary for backbone.localStorage
-            this.xmppstatus.localStorage = new Backbone.LocalStorage(id);
+            var id = b64_sha1('converse.xmppstatus-'+converse.bare_jid);
+            this.xmppstatus.id = id; // Appears to be necessary for backbone.browserStorage
+            this.xmppstatus.browserStorage = new Backbone.BrowserStorage[converse.storage](id);
             this.xmppstatus.fetch({success: callback, error: callback});
         };
 
@@ -483,13 +485,13 @@
         this.initRoster = function () {
             // Set up the roster
             this.roster = new this.RosterItems();
-            this.roster.localStorage = new Backbone.LocalStorage(
+            this.roster.browserStorage = new Backbone.BrowserStorage[converse.storage](
                 b64_sha1('converse.rosteritems-'+converse.bare_jid));
             this.registerRosterHandler();
             this.registerRosterXHandler();
             this.registerPresenceHandler();
             // Now create the view which will fetch roster items from
-            // localStorage
+            // browserStorage
             this.rosterview = new this.RosterView({'model':this.roster});
         };
 
@@ -569,7 +571,9 @@
                 this.connection.xmlInput = function (body) { console.log(body); };
                 this.connection.xmlOutput = function (body) { console.log(body); };
                 Strophe.log = function (level, msg) { console.log(level+' '+msg); };
-                Strophe.error = function (msg) { console.log('ERROR: '+msg); };
+                Strophe.error = function (msg) { 
+                    console.log('ERROR: '+msg);
+                };
             }
             this.bare_jid = Strophe.getBareJidFromJid(this.connection.jid);
             this.domain = Strophe.getDomainFromJid(this.connection.jid);
@@ -649,7 +653,7 @@
                 var height = converse.applyHeightResistance(this.get('height'));
                 if (this.get('box_id') !== 'controlbox') {
                     this.messages = new converse.Messages();
-                    this.messages.localStorage = new Backbone.LocalStorage(
+                    this.messages.browserStorage = new Backbone.BrowserStorage[converse.storage](
                         b64_sha1('converse.messages'+this.get('jid')+converse.bare_jid));
 
                     this.save({
@@ -1168,7 +1172,7 @@
                 if (result === true) {
                     this.$el.find('.chat-content').empty();
                     this.model.messages.reset();
-                    this.model.messages.localStorage._clear();
+                    this.model.messages.browserStorage._clear();
                 }
                 return this;
             },
@@ -2411,7 +2415,7 @@
             },
 
             onConnected: function () {
-                this.localStorage = new Backbone.LocalStorage(
+                this.browserStorage = new Backbone.BrowserStorage[converse.storage](
                     b64_sha1('converse.chatboxes-'+converse.bare_jid));
                 if (!this.get('controlbox')) {
                     this.add({
@@ -2692,9 +2696,9 @@
                 this.toggleview = new converse.MinimizedChatsToggleView({
                     model: new converse.MinimizedChatsToggle()
                 });
-                var id = b64_sha1('converse.minchatstoggle'+this.bare_jid);
-                this.toggleview.model.id = id; // Appears to be necessary for backbone.localStorage
-                this.toggleview.model.localStorage = new Backbone.LocalStorage(id);
+                var id = b64_sha1('converse.minchatstoggle'+converse.bare_jid);
+                this.toggleview.model.id = id; // Appears to be necessary for backbone.browserStorage
+                this.toggleview.model.browserStorage = new Backbone.BrowserStorage[converse.storage](id);
                 this.toggleview.model.fetch();
             },
 
@@ -3549,10 +3553,10 @@
             */
             model: converse.Feature,
             initialize: function () {
-                this.localStorage = new Backbone.LocalStorage(
+                this.browserStorage = new Backbone.BrowserStorage[converse.storage](
                     b64_sha1('converse.features'+converse.bare_jid));
-                if (this.localStorage.records.length === 0) {
-                    // localStorage is empty, so we've likely never queried this
+                if (this.browserStorage.records.length === 0) {
+                    // browserStorage is empty, so we've likely never queried this
                     // domain for features yet
                     converse.connection.disco.info(converse.domain, null, $.proxy(this.onInfo, this));
                     converse.connection.disco.items(converse.domain, null, $.proxy(this.onItems, this));

docs/source/index.rst

@@ -1011,6 +1011,25 @@ Default:  ``false``
 If set to ``true``, only online users will be shown in the contacts roster.
 Users with any other status (e.g. away, busy etc.) will not be shown.
 
+storage
+-------
+
+Default: ``session``
+
+Valid options: ``session``, ``local``.
+
+This option determines the type of `storage <https://developer.mozilla.org/en-US/docs/Web/Guide/API/DOM/Storage>`_ 
+(``localStorage`` or ``sessionStorage``) used by converse.js to cache user data.
+
+Originally converse.js used only localStorage, however sessionStorage is from a
+privacy perspective a better choice.
+
+The main difference between the two is that sessionStorage only persists while
+the current tab or window containing a converse.js instance is open. As soon as
+it's closed, the data is cleared.
+
+Data in localStorage on the other hand is kept indefinitely.
+
 use_otr_by_default
 ------------------
 

index.html

@@ -12,10 +12,10 @@
     <link type="text/css" rel="stylesheet" media="screen" href="http://netdna.bootstrapcdn.com/font-awesome/4.0.3/css/font-awesome.min.css" />
     <link type="text/css" rel="stylesheet" media="screen" href="css/theme.css" />
     <link type="text/css" rel="stylesheet" media="screen" href="css/converse.min.css" />
-    <!--
     <script data-main="main" src="components/requirejs/require.js"></script>
-    -->
+    <!--
     <script src="builds/converse.min.js"></script>
+    -->
 
     <script src="http://netdna.bootstrapcdn.com/bootstrap/3.0.3/js/bootstrap.min.js"></script>
     <script src="http://cdnjs.cloudflare.com/ajax/libs/jquery-easing/1.3/jquery.easing.min.js"></script>
@@ -229,7 +229,7 @@
             allow_otr: true,
             auto_list_rooms: false,
             auto_subscribe: false,
-            bosh_service_url: 'https://bind.conversejs.org', // Please use this connection manager only for testing purposes
+            bosh_service_url: 'http://devbox:8890/http-bind', // Please use this connection manager only for testing purposes
             debug: true ,
             hide_muc_server: false,
             i18n: locales['en'], // Refer to ./locale/locales.js to see which locales are supported

main.js

@@ -7,7 +7,7 @@ config = {
         "locales": "locale/locales",
         "underscore": "components/underscore/underscore",
         "backbone": "components/backbone/backbone",
-        "backbone.localStorage": "components/backbone.localStorage/backbone.localStorage",
+        "backbone.browserStorage": "components/backbone.browserStorage/backbone.browserStorage",
         "backbone.overview": "components/backbone.overview/backbone.overview",
         "text": 'components/requirejs-text/text',
         "tpl": 'components/requirejs-tpl-jcbrand/tpl',

src/deps-full.js

@@ -2,7 +2,7 @@ define("converse-dependencies", [
     "otr",
     "moment",
     "locales",
-    "backbone.localStorage",
+    "backbone.browserStorage",
     "backbone.overview",
     "jquery.tinysort",
     "jquery.browser",

src/deps-no-otr.js

@@ -1,7 +1,7 @@
 define("converse-dependencies", [
     "moment",
     "locales",
-    "backbone.localStorage",
+    "backbone.browserStorage",
     "backbone.overview",
     "jquery.tinysort",
     "jquery.browser",