408 lines
19 KiB
JavaScript
408 lines
19 KiB
JavaScript
/**
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* @description MeshCentral plugin module
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* @author Ryan Blenis
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* @copyright
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* @license Apache-2.0
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* @version v0.0.1
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*/
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/*xjslint node: true */
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/*xjslint plusplus: true */
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/*xjslint maxlen: 256 */
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/*jshint node: true */
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/*jshint strict: false */
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/*jshint esversion: 6 */
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"use strict";
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require('promise');
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module.exports.pluginHandler = function (parent) {
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var obj = {};
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obj.fs = require('fs');
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obj.path = require('path');
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obj.parent = parent;
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obj.pluginPath = obj.parent.path.join(obj.parent.datapath, 'plugins');
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obj.plugins = {};
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obj.exports = {};
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obj.loadList = obj.parent.config.settings.plugins.list; // For local development / manual install, not from DB
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if (typeof obj.loadList != 'object') {
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obj.loadList = {};
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parent.db.getPlugins(function(err, plugins){
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plugins.forEach(function(plugin){
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if (plugin.status != 1) return;
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if (obj.fs.existsSync(obj.pluginPath + '/' + plugin.shortName)) {
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try {
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obj.plugins[plugin.shortName] = require(obj.pluginPath + '/' + plugin.shortName + '/' + plugin.shortName + '.js')[plugin.shortName](obj);
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obj.exports[plugin.shortName] = obj.plugins[plugin.shortName].exports;
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} catch (e) {
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console.log("Error loading plugin: " + plugin.shortName + " (" + e + "). It has been disabled.", e.stack);
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}
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}
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obj.parent.updateMeshCore(); // db calls are delayed, lets inject here once we're ready
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});
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});
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} else {
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obj.loadList.forEach(function (plugin, index) {
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if (obj.fs.existsSync(obj.pluginPath + '/' + plugin)) {
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try {
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obj.plugins[plugin] = require(obj.pluginPath + '/' + plugin + '/' + plugin + '.js')[plugin](obj);
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obj.exports[plugin] = obj.plugins[plugin].exports;
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} catch (e) {
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console.log("Error loading plugin: " + plugin + " (" + e + "). It has been disabled.", e.stack);
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}
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}
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});
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}
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obj.prepExports = function () {
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var str = 'function() {\r\n';
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str += ' var obj = {};\r\n';
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for (const p of Object.keys(obj.plugins)) {
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str += ' obj.' + p + ' = {};\r\n';
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for (const l of Object.values(obj.exports[p])) {
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str += ' obj.' + p + '.' + l + ' = ' + obj.plugins[p][l].toString() + '\r\n';
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}
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}
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str += `obj.onDeviceRefeshEnd = function(nodeid, panel, refresh, event) {
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for (const p of Object.keys(obj)) {
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if (typeof obj[p].onDeviceRefreshEnd == 'function') {
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obj[p].onDeviceRefreshEnd(nodeid, panel, refresh, event);
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}
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}
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};
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obj.registerPluginTab = function(pluginRegInfo) {
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var d = pluginRegInfo();
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if (!Q(d.tabId)) {
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QA('p19headers', '<span onclick="return pluginHandler.callPluginPage(\\''+d.tabId+'\\');">'+d.tabTitle+'</span>');
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}
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};
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obj.callPluginPage = function(id) {
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var pages = Q('p19pages').querySelectorAll("#p19pages>div");
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for (const i of pages) { i.style.display = 'none'; }
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QV(id, true);
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};
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obj.addPluginEx = function() {
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meshserver.send({ action: 'addplugin', url: Q('pluginurlinput').value});
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};
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obj.addPluginDlg = function() {
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setDialogMode(2, "Plugin Config URL", 3, obj.addPluginEx, '<input type=text id=pluginurlinput style=width:100% />');
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focusTextBox('pluginurlinput');
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};
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return obj; };`;
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return str;
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}
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obj.callHook = function (hookName, ...args) {
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for (var p in obj.plugins) {
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if (typeof obj.plugins[p][hookName] == 'function') {
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try {
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obj.plugins[p][hookName](args);
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} catch (e) {
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console.log('Error ocurred while running plugin hook' + p + ':' + hookName + ' (' + e + ')');
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}
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}
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}
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};
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obj.addMeshCoreModules = function (modulesAdd) {
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for (var plugin in obj.plugins) {
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var moduleDirPath = null;
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var modulesDir = null;
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//if (obj.args.minifycore !== false) { try { moduleDirPath = obj.path.join(obj.pluginPath, 'modules_meshcore_min'); modulesDir = obj.fs.readdirSync(moduleDirPath); } catch (e) { } } // Favor minified modules if present.
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if (modulesDir == null) { try { moduleDirPath = obj.path.join(obj.pluginPath, plugin + '/modules_meshcore'); modulesDir = obj.fs.readdirSync(moduleDirPath); } catch (e) { } } // Use non-minified mofules.
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if (modulesDir != null) {
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for (var i in modulesDir) {
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if (modulesDir[i].toLowerCase().endsWith('.js')) {
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var moduleName = modulesDir[i].substring(0, modulesDir[i].length - 3);
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if (moduleName.endsWith('.min')) { moduleName = moduleName.substring(0, moduleName.length - 4); } // Remove the ".min" for ".min.js" files.
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var moduleData = ['try { addModule("', moduleName, '", "', obj.parent.escapeCodeString(obj.fs.readFileSync(obj.path.join(moduleDirPath, modulesDir[i])).toString('binary')), '"); addedModules.push("', moduleName, '"); } catch (e) { }\r\n'];
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// Merge this module
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// NOTE: "smbios" module makes some non-AI Linux segfault, only include for IA platforms.
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if (moduleName.startsWith('amt-') || (moduleName == 'smbios')) {
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// Add to IA / Intel AMT cores only
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modulesAdd['windows-amt'].push(...moduleData);
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modulesAdd['linux-amt'].push(...moduleData);
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} else if (moduleName.startsWith('win-')) {
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// Add to Windows cores only
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modulesAdd['windows-amt'].push(...moduleData);
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} else if (moduleName.startsWith('linux-')) {
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// Add to Linux cores only
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modulesAdd['linux-amt'].push(...moduleData);
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modulesAdd['linux-noamt'].push(...moduleData);
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} else {
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// Add to all cores
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modulesAdd['windows-amt'].push(...moduleData);
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modulesAdd['linux-amt'].push(...moduleData);
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modulesAdd['linux-noamt'].push(...moduleData);
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}
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// Merge this module to recovery modules if needed
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if (modulesAdd['windows-recovery'] != null) {
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if ((moduleName == 'win-console') || (moduleName == 'win-message-pump') || (moduleName == 'win-terminal')) {
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modulesAdd['windows-recovery'].push(...moduleData);
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}
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}
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// Merge this module to agent recovery modules if needed
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if (modulesAdd['windows-agentrecovery'] != null) {
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if ((moduleName == 'win-console') || (moduleName == 'win-message-pump') || (moduleName == 'win-terminal')) {
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modulesAdd['windows-agentrecovery'].push(...moduleData);
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}
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}
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}
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}
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}
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}
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};
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obj.deviceViewPanel = function () {
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var panel = {};
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for (var p in obj.plugins) {
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if (typeof obj.plugins[p][hookName] == 'function') {
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try {
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panel[p].header = obj.plugins[p].on_device_header();
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panel[p].content = obj.plugins[p].on_device_page();
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} catch (e) {
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console.log('Error ocurred while getting plugin views ' + p + ':' + ' (' + e + ')');
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}
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}
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}
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return panel;
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};
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obj.isValidConfig = function(conf, url) { // check for the required attributes
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var isValid = true;
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if (!(
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typeof conf.name == 'string'
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&& typeof conf.shortName == 'string'
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&& typeof conf.version == 'string'
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&& typeof conf.author == 'string'
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&& typeof conf.description == 'string'
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&& typeof conf.hasAdminPanel == 'boolean'
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&& typeof conf.homepage == 'string'
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&& typeof conf.changelogUrl == 'string'
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&& typeof conf.configUrl == 'string'
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&& typeof conf.repository == 'object'
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&& typeof conf.repository.type == 'string'
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&& typeof conf.repository.url == 'string'
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&& typeof conf.meshCentralCompat == 'string'
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// && conf.configUrl == url // make sure we're loading a plugin from its desired config
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)) isValid = false;
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// more checks here?
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if (conf.repository.type == 'git') {
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if (typeof conf.downloadUrl != 'string') isValid = false;
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}
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return isValid;
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};
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obj.getPlugins = function(func) {
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var plugins = parent.db.getPlugins();
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if (typeof plugins == 'undefined' || plugins.length == 0) {
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return null;
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}
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plugins.forEach(function(p, x){
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// check semantic version
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console.log('FOREACH PLUGIN', p, x);
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// callbacks to new versions
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});
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return plugins;
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}
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obj.getPluginConfig = function(configUrl) {
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return new Promise(function(resolve, reject) {
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var https = require('https');
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if (configUrl.indexOf('://') === -1) reject('Unable to fetch the config: Bad URL (' + configUrl + ')');
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https.get(configUrl, function(res) {
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var configStr = '';
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res.on('data', function(chunk){
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configStr += chunk;
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});
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res.on('end', function(){
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if (configStr[0] == '{') { // let's be sure we're JSON
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try {
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var pluginConfig = JSON.parse(configStr);
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if (Array.isArray(pluginConfig) && pluginConfig.length == 1) pluginConfig = pluginConfig[0];
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if (obj.isValidConfig(pluginConfig, configUrl)) {
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resolve(pluginConfig);
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} else {
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reject("This does not appear to be a valid plugin configuration.");
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}
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} catch (e) { reject('Error getting plugin config. Check that you have valid JSON.'); }
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} else {
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reject('Error getting plugin config. Check that you have valid JSON.');
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}
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});
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}).on('error', function(e) {
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reject("Error getting plugin config: " + e.message);
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});
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})
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};
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obj.getPluginLatest = function() {
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return new Promise(function(resolve, reject) {
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parent.db.getPlugins(function(err, plugins) {
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var proms = [];
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plugins.forEach(function(curconf) {
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proms.push(obj.getPluginConfig(curconf.configUrl));
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});
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var latestRet = [];
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Promise.all(proms).then(function(newconfs) {
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newconfs.forEach(function(newconf) {
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var curconf = null;
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plugins.forEach(function(conf) {
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if (conf.configUrl == newconf.configUrl) curconf = conf;
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});
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if (curconf == null) reject('Some plugin configs could not be parsed');
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var s = require('semver');
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latestRet.push({
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"id": curconf._id,
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"installedVersion": curconf.version,
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"version": newconf.version,
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"hasUpdate": s.gt(newconf.version, curconf.version),
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"meshCentralCompat": s.satisfies(s.coerce(parent.currentVer), newconf.meshCentralCompat),
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"changelogUrl": curconf.changelogUrl,
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"status": curconf.status
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});
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resolve(latestRet);
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});
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}).catch((e) => { console.log('Error reaching plugins, update call aborted. ', e)});
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});
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});
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};
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obj.addPlugin = function(pluginConfig) {
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return new Promise(function(resolve, reject) {
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parent.db.addPlugin({
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"name": pluginConfig.name,
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"shortName": pluginConfig.shortName,
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"version": pluginConfig.version,
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"description": pluginConfig.description,
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"hasAdminPanel": pluginConfig.hasAdminPanel,
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"homepage": pluginConfig.homepage,
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"changelogUrl": pluginConfig.changelogUrl,
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"configUrl": pluginConfig.configUrl,
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"downloadUrl": pluginConfig.downloadUrl,
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"repository": {
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"type": pluginConfig.repository.type,
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"url": pluginConfig.repository.url
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},
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"meshCentralCompat": pluginConfig.meshCentralCompat,
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"status": 0 // 0: disabled, 1: enabled
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}, function() {
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parent.db.getPlugins(function(err, docs){
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if (err) reject(err);
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else resolve(docs);
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});
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});
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});
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};
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obj.installPlugin = function(id, func) {
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parent.db.getPlugin(id, function(err, docs){
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var http = require('https');
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// the "id" would probably suffice, but is probably an sanitary issue, generate a random instead
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var randId = Math.random().toString(32).replace('0.', '');
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var fileName = obj.parent.path.join(require('os').tmpdir(), 'Plugin_'+randId+'.zip');
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var plugin = docs[0];
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if (plugin.repository.type == 'git') {
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const file = obj.fs.createWriteStream(fileName);
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var request = http.get(plugin.downloadUrl, function(response) {
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response.pipe(file);
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file.on('finish', function() {
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file.close(function(){
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var yauzl = require("yauzl");
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if (!obj.fs.existsSync(obj.pluginPath)) {
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obj.fs.mkdirSync(obj.pluginPath);
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}
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if (!obj.fs.existsSync(obj.parent.path.join(obj.pluginPath, plugin.shortName))) {
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obj.fs.mkdirSync(obj.parent.path.join(obj.pluginPath, plugin.shortName));
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}
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yauzl.open(fileName, { lazyEntries: true }, function (err, zipfile) {
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if (err) throw err;
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zipfile.readEntry();
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zipfile.on("entry", function (entry) {
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let pluginPath = obj.parent.path.join(obj.pluginPath, plugin.shortName);
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let pathReg = new RegExp(/(.*?\/)/);
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if (process.platform == 'win32') pathReg = new RegExp(/(.*?\\/);
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let filePath = obj.parent.path.join(pluginPath, entry.fileName.replace(pathReg, '')); // remove top level dir
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if (/\/$/.test(entry.fileName)) { // dir
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if (!obj.fs.existsSync(filePath))
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obj.fs.mkdirSync(filePath);
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zipfile.readEntry();
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} else { // file
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zipfile.openReadStream(entry, function (err, readStream) {
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if (err) throw err;
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readStream.on("end", function () { zipfile.readEntry(); });
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readStream.pipe(obj.fs.createWriteStream(filePath));
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});
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}
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});
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zipfile.on("end", function () { setTimeout(function () {
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obj.fs.unlinkSync(fileName);
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parent.db.setPluginStatus(id, 1, func);
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obj.plugins[plugin.shortName] = require(obj.pluginPath + '/' + plugin.shortName + '/' + plugin.shortName + '.js')[plugin.shortName](obj);
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obj.exports[plugin.shortName] = obj.plugins[plugin.shortName].exports;
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}); });
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});
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});
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});
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});
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} else if (plugin.repository.type == 'npm') {
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// @TODO npm install and symlink dirs (need a test plugin)
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}
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});
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};
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obj.disablePlugin = function(id, func) {
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parent.db.setPluginStatus(id, 0, func);
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};
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obj.removePlugin = function(id, func) {
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parent.db.getPlugin(id, function(err, docs){
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var plugin = docs[0];
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var rimraf = require("rimraf");
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let pluginPath = obj.parent.path.join(obj.pluginPath, plugin.shortName);
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rimraf.sync(pluginPath);
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parent.db.deletePlugin(id, func);
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delete obj.plugins[plugin.shortName];
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obj.parent.updateMeshCore();
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});
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};
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obj.handleAdminReq = function (req, res, serv) {
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var path = obj.path.join(obj.pluginPath, req.query.pin, 'views');
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serv.app.set('views', path);
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if (obj.plugins[req.query.pin] != null && typeof obj.plugins[req.query.pin].handleAdminReq == 'function') {
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obj.plugins[req.query.pin].handleAdminReq(req, res);
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}
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else {
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res.sendStatus(401);
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}
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}
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obj.handleAdminPostReq = function(req, res, serv) {
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var path = obj.path.join(obj.pluginPath, req.query.pin, 'views');
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serv.app.set('views', path);
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if (obj.plugins[req.query.pin] != null && typeof obj.plugins[req.query.pin].handleAdminPostReq == 'function') {
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obj.plugins[req.query.pin].handleAdminPostReq(req, res);
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}
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else {
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res.sendStatus(401);
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}
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}
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return obj;
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}; |