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271 lines
10 KiB
JavaScript
271 lines
10 KiB
JavaScript
// # Update Checking Service
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//
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// Makes a request to Ghost.org to check if there is a new version of Ghost available.
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// The service is provided in return for users opting in to anonymous usage data collection.
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//
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// Blog owners can opt-out of update checks by setting `privacy: { useUpdateCheck: false }` in their config.js
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//
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// The data collected is as follows:
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//
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// - blog id - a hash of the blog hostname, pathname and db_hash. No identifiable info is stored.
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// - ghost version
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// - node version
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// - npm version
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// - env - production or development
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// - database type - SQLite, MySQL
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// - email transport - mail.options.service, or otherwise mail.transport
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// - created date - database creation date
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// - post count - total number of posts
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// - user count - total number of users
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// - theme - name of the currently active theme
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// - apps - names of any active apps
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const crypto = require('crypto'),
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exec = require('child_process').exec,
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moment = require('moment'),
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Promise = require('bluebird'),
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_ = require('lodash'),
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url = require('url'),
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debug = require('ghost-ignition').debug('update-check'),
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api = require('./api').v2,
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config = require('./config'),
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urlService = require('./services/url'),
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common = require('./lib/common'),
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request = require('./lib/request'),
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ghostVersion = require('./lib/ghost-version'),
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internal = {context: {internal: true}},
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allowedCheckEnvironments = ['development', 'production'];
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function nextCheckTimestamp() {
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var now = Math.round(new Date().getTime() / 1000);
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return now + (24 * 3600);
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}
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function updateCheckError(err) {
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api.settings.edit({
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settings: [{
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key: 'next_update_check',
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value: nextCheckTimestamp()
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}]
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}, internal);
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err.context = common.i18n.t('errors.updateCheck.checkingForUpdatesFailed.error');
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err.help = common.i18n.t('errors.updateCheck.checkingForUpdatesFailed.help', {url: 'https://docs.ghost.org'});
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common.logging.error(err);
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}
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/**
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* If the custom message is intended for current version, create and store a custom notification.
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* @param {Object} notification
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* @return {*|Promise}
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*/
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function createCustomNotification(notification) {
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if (!notification) {
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return Promise.resolve();
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}
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return Promise.each(notification.messages, function (message) {
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let toAdd = {
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custom: !!notification.custom,
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createdAt: moment(notification.created_at).toDate(),
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status: message.status || 'alert',
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type: message.type || 'info',
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id: message.id,
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dismissible: message.hasOwnProperty('dismissible') ? message.dismissible : true,
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top: !!message.top,
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message: message.content
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};
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debug('Add Custom Notification', toAdd);
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return api.notifications.add({notifications: [toAdd]}, {context: {internal: true}});
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});
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}
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function updateCheckData() {
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let data = {},
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mailConfig = config.get('mail');
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data.ghost_version = ghostVersion.original;
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data.node_version = process.versions.node;
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data.env = config.get('env');
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data.database_type = config.get('database').client;
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data.email_transport = mailConfig &&
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(mailConfig.options && mailConfig.options.service ?
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mailConfig.options.service :
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mailConfig.transport);
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return Promise.props({
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hash: api.settings.read(_.extend({key: 'db_hash'}, internal)).reflect(),
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theme: api.settings.read(_.extend({key: 'active_theme'}, internal)).reflect(),
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apps: api.settings.read(_.extend({key: 'active_apps'}, internal))
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.then(function (response) {
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var apps = response.settings[0];
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apps = JSON.parse(apps.value);
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return _.reduce(apps, function (memo, item) {
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return memo === '' ? memo + item : memo + ', ' + item;
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}, '');
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}).reflect(),
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posts: api.posts.browse().reflect(),
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users: api.users.browse(internal).reflect(),
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npm: Promise.promisify(exec)('npm -v').reflect()
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}).then(function (descriptors) {
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var hash = descriptors.hash.value().settings[0],
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theme = descriptors.theme.value().settings[0],
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apps = descriptors.apps.value(),
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posts = descriptors.posts.value(),
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users = descriptors.users.value(),
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npm = descriptors.npm.value(),
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blogUrl = url.parse(urlService.utils.urlFor('home', true)),
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blogId = blogUrl.hostname + blogUrl.pathname.replace(/\//, '') + hash.value;
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data.blog_id = crypto.createHash('md5').update(blogId).digest('hex');
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data.theme = theme ? theme.value : '';
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data.apps = apps || '';
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data.post_count = posts && posts.meta && posts.meta.pagination ? posts.meta.pagination.total : 0;
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data.user_count = users && users.users && users.users.length ? users.users.length : 0;
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data.blog_created_at = users && users.users && users.users[0] && users.users[0].created_at ? moment(users.users[0].created_at).unix() : '';
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data.npm_version = npm.trim();
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data.lts = false;
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return data;
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}).catch(updateCheckError);
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}
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/**
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* With the privacy setting `useUpdateCheck` you can control if you want to expose data from your blog to the
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* Update Check Service. Enabled or disabled, you will receive the latest notification available from the service.
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*/
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function updateCheckRequest() {
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return updateCheckData()
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.then(function then(reqData) {
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let reqObj = {
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timeout: 1000,
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headers: {}
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},
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checkEndpoint = config.get('updateCheck:url'),
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checkMethod = config.isPrivacyDisabled('useUpdateCheck') ? 'GET' : 'POST';
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if (checkMethod === 'POST') {
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reqObj.json = true;
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reqObj.body = reqData;
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reqObj.headers['Content-Length'] = Buffer.byteLength(JSON.stringify(reqData));
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reqObj.headers['Content-Type'] = 'application/json';
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} else {
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reqObj.json = true;
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reqObj.query = {
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ghost_version: reqData.ghost_version
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};
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}
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debug('Request Update Check Service', checkEndpoint);
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return request(checkEndpoint, reqObj)
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.then(function (response) {
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return response.body;
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})
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.catch(function (err) {
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// CASE: no notifications available, ignore
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if (err.statusCode === 404) {
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return {
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next_check: nextCheckTimestamp(),
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notifications: []
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};
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}
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if (err.response && err.response.body && typeof err.response.body === 'object') {
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err = common.errors.utils.deserialize(err.response.body);
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}
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throw err;
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});
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});
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}
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/**
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* Handles the response from the update check
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* Does three things with the information received:
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* 1. Updates the time we can next make a check
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* 2. Create custom notifications is response from UpdateCheck as "messages" array which has the following structure:
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*
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* "messages": [{
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* "id": ed9dc38c-73e5-4d72-a741-22b11f6e151a,
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* "version": "0.5.x",
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* "content": "<p>Hey there! 0.6 is available, visit <a href=\"https://ghost.org/download\">Ghost.org</a> to grab your copy now<!/p>",
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* "dismissible": true | false,
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* "top": true | false
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* ]}
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*
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* Example for grouped custom notifications in config:
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*
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* notificationGroups: ['migration', 'something']
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*
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* 'all' is a reserved name for general custom notifications.
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*
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* @param {Object} response
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* @return {Promise}
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*/
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function updateCheckResponse(response) {
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let notifications = [],
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notificationGroups = (config.get('notificationGroups') || []).concat(['all']);
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debug('Notification Groups', notificationGroups);
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debug('Response Update Check Service', response);
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return api.settings.edit({settings: [{key: 'next_update_check', value: response.next_check}]}, internal)
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.then(function () {
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// CASE: Update Check Service returns multiple notifications.
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if (_.isArray(response)) {
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notifications = response;
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} else if ((response.hasOwnProperty('notifications') && _.isArray(response.notifications))) {
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notifications = response.notifications;
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} else {
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notifications = [response];
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}
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// CASE: Hook into received notifications and decide whether you are allowed to receive custom group messages.
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if (notificationGroups.length) {
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notifications = notifications.filter(function (notification) {
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if (!notification.custom) {
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return true;
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}
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return _.includes(notificationGroups.map(function (groupIdentifier) {
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if (notification.version.match(new RegExp(groupIdentifier))) {
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return true;
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}
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return false;
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}), true) === true;
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});
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}
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return Promise.each(notifications, createCustomNotification);
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});
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}
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function updateCheck() {
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// CASE: The check will not happen if your NODE_ENV is not in the allowed defined environments.
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if (_.indexOf(allowedCheckEnvironments, process.env.NODE_ENV) === -1) {
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return Promise.resolve();
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}
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return api.settings.read(_.extend({key: 'next_update_check'}, internal))
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.then(function then(result) {
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var nextUpdateCheck = result.settings[0];
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// CASE: Next update check should happen now?
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if (!config.get('updateCheck:forceUpdate') && nextUpdateCheck && nextUpdateCheck.value && nextUpdateCheck.value > moment().unix()) {
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return Promise.resolve();
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}
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return updateCheckRequest()
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.then(updateCheckResponse)
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.catch(updateCheckError);
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})
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.catch(updateCheckError);
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}
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module.exports = updateCheck;
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