[Identity] Add default identity provider

nasa/openmctweb#92

platform/identity/src/IdentityProvider.js

@@ -0,0 +1,55 @@
+/*****************************************************************************
+ * Open MCT Web, Copyright (c) 2014-2015, United States Government
+ * as represented by the Administrator of the National Aeronautics and Space
+ * Administration. All rights reserved.
+ *
+ * Open MCT Web is licensed under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * Open MCT Web includes source code licensed under additional open source
+ * licenses. See the Open Source Licenses file (LICENSES.md) included with
+ * this source code distribution or the Licensing information page available
+ * at runtime from the About dialog for additional information.
+ *****************************************************************************/
+/*global define*/
+
+/**
+ * Defines interfaces and common infrastructure for establishing
+ * a user's identity.
+ * @namespace platform/identity
+ */
+define(
+    function () {
+        "use strict";
+
+        var UNKNOWN_USER = {
+            key: "unknown",
+            name: "Unknown User"
+        };
+
+        /**
+         * Default implementation of an identity service. Provides an
+         * unkown user.
+         * @constructor
+         * @implements {IdentityService}
+         * @memberof platform/identity
+         */
+        function IdentityProvider($q) {
+            this.userPromise = $q.when(UNKNOWN_USER);
+        }
+
+        IdentityProvider.prototype.getUser = function () {
+            return this.userPromise;
+        };
+
+        return IdentityProvider;
+    }
+);