File size: 6,518 Bytes
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* Copyright JS Foundation and other contributors, http://js.foundation
*
* 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 userSettings = {};
var settingsDirty = false;
var pendingSave;
var hasLocalStorage = function () {
try {
return 'localStorage' in window && window['localStorage'] !== null;
} catch (e) {
return false;
}
};
var set = function (key, value) {
if (!hasLocalStorage()) {
return;
}
if (key === "auth-tokens") {
localStorage.setItem(key, JSON.stringify(value));
} else {
userSettings[key] = value;
saveUserSettings();
}
};
/**
* 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;
}
if (key === "auth-tokens") {
return JSON.parse(localStorage.getItem(key));
} else {
return userSettings[key];
}
};
var remove = function (key) {
if (!hasLocalStorage()) {
return;
}
if (key === "auth-tokens") {
localStorage.removeItem(key);
} else {
delete userSettings[key];
saveUserSettings();
}
};
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 setUserSettings = function(data) {
userSettings = 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);
}
jqXHR.setRequestHeader("Node-RED-API-Version","v2");
}
}
});
load(done);
}
var load = function(done) {
$.ajax({
headers: {
"Accept": "application/json"
},
dataType: "json",
cache: false,
url: 'settings',
success: function (data) {
setProperties(data);
if (!RED.settings.user || RED.settings.user.anonymous) {
RED.settings.remove("auth-tokens");
}
console.log("Node-RED: " + data.version);
loadUserSettings(done);
},
error: function(jqXHR,textStatus,errorThrown) {
if (jqXHR.status === 401) {
if (/[?&]access_token=(.*?)(?:$|&)/.test(window.location.search)) {
window.location.search = "";
}
RED.user.login(function() { load(done); });
} else {
console.log("Unexpected error loading settings:",jqXHR.status,textStatus);
}
}
});
};
function loadUserSettings(done) {
$.ajax({
headers: {
"Accept": "application/json"
},
dataType: "json",
cache: false,
url: 'settings/user',
success: function (data) {
setUserSettings(data);
done();
},
error: function(jqXHR,textStatus,errorThrown) {
console.log("Unexpected error loading user settings:",jqXHR.status,textStatus);
}
});
}
function saveUserSettings() {
if (RED.user.hasPermission("settings.write")) {
if (pendingSave) {
clearTimeout(pendingSave);
}
pendingSave = setTimeout(function() {
pendingSave = null;
$.ajax({
method: 'POST',
contentType: 'application/json',
url: 'settings/user',
data: JSON.stringify(userSettings),
success: function (data) {
},
error: function(jqXHR,textStatus,errorThrown) {
console.log("Unexpected error saving user settings:",jqXHR.status,textStatus);
}
});
},300);
}
}
function theme(property,defaultValue) {
if (!RED.settings.editorTheme) {
return defaultValue;
}
var parts = property.split(".");
var v = RED.settings.editorTheme;
try {
for (var i=0;i<parts.length;i++) {
v = v[parts[i]];
}
if (v === undefined) {
return defaultValue;
}
return v;
} catch(err) {
return defaultValue;
}
}
return {
init: init,
load: load,
loadUserSettings: loadUserSettings,
set: set,
get: get,
remove: remove,
theme: theme
}
})();
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