Move storage objects to their own files

Greatly reduce the size of the ignominiously named helpers.js.

js/storage.js

@@ -0,0 +1,69 @@
+/* vim: ts=4:sw=4
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+'use strict';
+
+;(function() {
+
+    /************************************************
+    *** Utilities to store data in local storage ***
+    ************************************************/
+    window.textsecure = window.textsecure || {};
+    window.textsecure.storage = window.textsecure.storage || {};
+
+    window.textsecure.storage = {
+
+        /*****************************
+        *** Base Storage Routines ***
+        *****************************/
+        putEncrypted: function(key, value) {
+            //TODO
+            if (value === undefined)
+                throw new Error("Tried to store undefined");
+            localStorage.setItem("e" + key, textsecure.utils.jsonThing(value));
+        },
+
+        getEncrypted: function(key, defaultValue) {
+            //TODO
+            var value = localStorage.getItem("e" + key);
+            if (value === null)
+                return defaultValue;
+            return JSON.parse(value);
+        },
+
+        removeEncrypted: function(key) {
+            localStorage.removeItem("e" + key);
+        },
+
+        putUnencrypted: function(key, value) {
+            if (value === undefined)
+                throw new Error("Tried to store undefined");
+            localStorage.setItem("u" + key, textsecure.utils.jsonThing(value));
+        },
+
+        getUnencrypted: function(key, defaultValue) {
+            var value = localStorage.getItem("u" + key);
+            if (value === null)
+                return defaultValue;
+            return JSON.parse(value);
+        },
+
+        removeUnencrypted: function(key) {
+            localStorage.removeItem("u" + key);
+        }
+    };
+})();
+