Create strophe.mam.v0.3.js

the standards for XEP-0313 have changed, this new code makes MAM work as intended with servers (such as prosody) that have migrated to the new standard.  Could use some improvements like preferences, but in my case i don't need them yet.

Author: Destreyf

mam/strophe.mam.v0.3.js

@@ -0,0 +1,51 @@
+/* XEP-0313: Message Archive Management
+ * Copyright (C) 2012 Kim Alvefur
+ *
+ * This file is MIT/X11 licensed. Please see the
+ * LICENSE.txt file in the source package for more information.
+ *
+ * TODO:
+ * Get RSM from the reply
+ * Clean remove onMessage handler afterwards
+ * queryid?
+ *
+ */
+
+Strophe.addConnectionPlugin('mam', {
+    _c: null,
+    _p: [ "with", "start", "end" ],
+    init: function (conn) {
+        this._c = conn;
+        Strophe.addNamespace('MAM', 'urn:xmpp:mam:0');
+    },
+    query: function (jid, options) {
+        var _p = this._p;
+        var attr = {
+            type:"set",
+            id:jid
+        };
+        var mamAttr = {xmlns: Strophe.NS.MAM};
+        var iq = $iq(attr).c("query", mamAttr).c('x',{xmlns:'jabber:x:data'});
+
+        iq.c('field',{var:"FORM_TYPE"}).c('value').t("urn:xmpp:mam:0").up().up();
+        for (i = 0; i < this._p.length; i++) {
+            var pn = _p[i];
+            var p = options[pn];
+            delete options[pn];
+            if (!!p) {
+                var f
+                iq.c('field',{var:pn}).c('value').t(p).up().up();
+            }
+        }
+        iq.up();
+
+        var onMessage = options["onMessage"];
+        delete options['onMessage'];
+        var onComplete = options["onComplete"];
+        delete options['onComplete'];
+        iq.cnode(new Strophe.RSM(options).toXML());
+
+        this._c.addHandler(onMessage, Strophe.NS.MAM, "message", null);
+        return this._c.sendIQ(iq, onComplete);
+    }
+});