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node-red/red/api/editor/settings.js

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/**
* Copyright JS Foundation and other contributors, http://js.foundation
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*
* 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.
**/
var theme = require("../editor/theme");
var util = require('util');
var runtime;
var settings;
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var log;
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module.exports = {
init: function(_runtime) {
runtime = _runtime;
settings = runtime.settings;
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log = runtime.log;
},
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runtimeSettings: function(req,res) {
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var safeSettings = {
httpNodeRoot: settings.httpNodeRoot||"/",
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version: settings.version,
user: req.user
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}
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var themeSettings = theme.settings();
if (themeSettings) {
safeSettings.editorTheme = themeSettings;
}
if (util.isArray(settings.paletteCategories)) {
safeSettings.paletteCategories = settings.paletteCategories;
}
if (settings.flowFilePretty) {
safeSettings.flowFilePretty = settings.flowFilePretty;
}
if (!runtime.nodes.paletteEditorEnabled()) {
safeSettings.editorTheme = safeSettings.editorTheme || {};
safeSettings.editorTheme.palette = safeSettings.editorTheme.palette || {};
safeSettings.editorTheme.palette.editable = false;
}
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if (runtime.storage.projects) {
var activeProject = runtime.storage.projects.getActiveProject();
if (activeProject) {
safeSettings.project = activeProject;
} else if (runtime.storage.projects.flowFileExists()) {
safeSettings.files = {
flow: runtime.storage.projects.getFlowFilename(),
credentials: runtime.storage.projects.getCredentialsFilename()
}
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}
safeSettings.git = {
globalUser: runtime.storage.projects.getGlobalGitUser()
}
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}
safeSettings.flowEncryptionType = runtime.nodes.getCredentialKeyType();
settings.exportNodeSettings(safeSettings);
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res.json(safeSettings);
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},
userSettings: function(req, res) {
var username;
if (!req.user || req.user.anonymous) {
username = '_';
} else {
username = req.user.username;
}
res.json(settings.getUserSettings(username)||{});
},
updateUserSettings: function(req,res) {
var username;
if (!req.user || req.user.anonymous) {
username = '_';
} else {
username = req.user.username;
}
var currentSettings = settings.getUserSettings(username)||{};
currentSettings = extend(currentSettings, req.body);
settings.setUserSettings(username, currentSettings).then(function() {
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log.audit({event: "settings.update",username:username},req);
res.status(204).end();
}).catch(function(err) {
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log.audit({event: "settings.update",username:username,error:err.code||"unexpected_error",message:err.toString()},req);
res.status(400).json({error:err.code||"unexpected_error", message:err.toString()});
});
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}
}
function extend(target, source) {
var keys = Object.keys(source);
var i = keys.length;
while(i--) {
var value = source[keys[i]]
var type = typeof value;
if (type === 'string' || type === 'number' || type === 'boolean' || Array.isArray(value)) {
target[keys[i]] = value;
} else if (value === null) {
if (target.hasOwnProperty(keys[i])) {
delete target[keys[i]];
}
} else {
// Object
if (target.hasOwnProperty(keys[i])) {
target[keys[i]] = extend(target[keys[i]],value);
} else {
target[keys[i]] = value;
}
}
}
return target;
}