Add build step to Grunt file

editor/js/settings.js

@@ -0,0 +1,131 @@
+/**
+ * Copyright 2014 IBM, Antoine Aflalo
+ *
+ * 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.
+ **/
+
+
+RED.settings = (function () {
+    
+    var loadedSettings = {};
+        
+    var hasLocalStorage = function () {
+        try {
+            return 'localStorage' in window && window['localStorage'] !== null;
+        } catch (e) {
+            return false;
+        }
+    };
+
+    var set = function (key, value) {
+        if (!hasLocalStorage()) {
+            return;
+        }
+        localStorage.setItem(key, JSON.stringify(value));
+    };
+    /**
+     * If the key is not set in the localStorage it returns <i>undefined</i>
+     * Else return the JSON parsed value
+     * @param key
+     * @returns {*}
+     */
+    var get = function (key) {
+        if (!hasLocalStorage()) {
+            return undefined;
+        }
+        return JSON.parse(localStorage.getItem(key));
+    };
+
+    var remove = function (key) {
+        if (!hasLocalStorage()) {
+            return;
+        }
+        localStorage.removeItem(key);
+    };
+
+    var setProperties = function(data) {
+        for (var prop in loadedSettings) {
+            if (loadedSettings.hasOwnProperty(prop) && RED.settings.hasOwnProperty(prop)) {
+                delete RED.settings[prop];
+            }
+        }
+        for (prop in data) {
+            if (data.hasOwnProperty(prop)) {
+                RED.settings[prop] = data[prop];
+            }
+        }
+        loadedSettings = data;
+    };
+
+    var init = function (done) {
+        var accessTokenMatch = /[?&]access_token=(.*?)(?:$|&)/.exec(window.location.search);
+        if (accessTokenMatch) {
+            var accessToken = accessTokenMatch[1];
+            RED.settings.set("auth-tokens",{access_token: accessToken});
+            window.location.search = "";
+        }
+        
+        $.ajaxSetup({
+            beforeSend: function(jqXHR,settings) {
+                // Only attach auth header for requests to relative paths
+                if (!/^\s*(https?:|\/|\.)/.test(settings.url)) {
+                    var auth_tokens = RED.settings.get("auth-tokens");
+                    if (auth_tokens) {
+                        jqXHR.setRequestHeader("Authorization","Bearer "+auth_tokens.access_token);
+                    }
+                }
+            }
+        });
+
+        load(done);
+    }
+    
+    var load = function(done) {
+        $.ajax({
+            headers: {
+                "Accept": "application/json"
+            },
+            dataType: "json",
+            cache: false,
+            url: 'settings',
+            success: function (data) {
+                setProperties(data);
+                if (RED.settings.user && RED.settings.user.anonymous) {
+                    RED.settings.remove("auth-tokens");
+                }
+                console.log("Node-RED: " + data.version);
+                done();
+            },
+            error: function(jqXHR,textStatus,errorThrown) {
+                if (jqXHR.status === 401) {
+                    if (/[?&]access_token=(.*?)(?:$|&)/.test(window.location.search)) {
+                        window.location.search = "";
+                    }
+                    RED.user.login(function() { load(done); });
+                 } else {
+                     console.log("Unexpected error:",jqXHR.status,textStatus);
+                 }
+            }
+        });
+    };
+
+
+    return {
+        init: init,
+        load: load,
+        set: set,
+        get: get,
+        remove: remove
+    }
+})
+();