first pass at running requests through POST with all hacks in storage

js/libs/jio/hateoasstorage.js

@@ -75,10 +75,22 @@
 
   HateoasStorage.prototype.post = function (command, metadata, options) {
     return this._getSiteDocument()
+      // HACK: get me... default _add, otherwise passed through options!
       .then(function (site_hal) {
-        var post_action = site_hal._actions.add,
-          data = new FormData(),
-          key;
+        return jIO.util.ajax({
+          "url": site_hal._links.me.href,
+          "xhrFields": {
+            "withCredentials": true
+          }
+        })
+      })
+      .then(function (opts) {
+        var doc_hal, custom_action, post_action, data, key;
+
+        doc_hal = JSON.parse(opts.target.responseText);
+        custom_action = doc_hal._actions[options.call];
+        post_action = custom_action || site_hal._actions.add;
+        data = new FormData();
 
         for (key in metadata) {
           if (metadata.hasOwnProperty(key)) {
@@ -86,22 +98,24 @@
             data.append(key, metadata[key]);
           }
         }
+
         return jIO.util.ajax({
           "type": post_action.method,
           "url": post_action.href,
           "data": data,
           "xhrFields": {
-            withCredentials: true
+            "withCredentials": true
           }
         });
-      }).then(function (doc) {
+      })
+      .then(function (doc) {
         // XXX Really depend on server response...
         var new_document_url = doc.target.getResponseHeader("Location");
         return jIO.util.ajax({
           "type": "GET",
           "url": new_document_url,
           "xhrFields": {
-            withCredentials: true
+            "withCredentials": true
           }
         });
       }).then(function (response) {