426 lines
15 KiB
JavaScript
426 lines
15 KiB
JavaScript
// Module dependencies
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var express = require('express'),
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when = require('when'),
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_ = require('underscore'),
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colors = require("colors"),
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semver = require("semver"),
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slashes = require("connect-slashes"),
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errors = require('./server/errorHandling'),
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admin = require('./server/controllers/admin'),
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frontend = require('./server/controllers/frontend'),
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api = require('./server/api'),
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path = require('path'),
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hbs = require('express-hbs'),
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Ghost = require('./ghost'),
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helpers = require('./server/helpers'),
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packageInfo = require('../package.json'),
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// Variables
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loading = when.defer(),
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server = express(),
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ghost = new Ghost();
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// ##Custom Middleware
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// ### Auth Middleware
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// Authenticate a request by redirecting to login if not logged in.
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// We strip /ghost/ out of the redirect parameter for neatness
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function auth(req, res, next) {
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if (!req.session.user) {
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var path = req.path.replace(/^\/ghost\/?/gi, ''),
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redirect = '',
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msg;
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if (path !== '') {
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msg = {
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type: 'error',
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message: 'Please Sign In',
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status: 'passive',
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id: 'failedauth'
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};
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// let's only add the notification once
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if (!_.contains(_.pluck(ghost.notifications, 'id'), 'failedauth')) {
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ghost.notifications.push(msg);
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}
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redirect = '?r=' + encodeURIComponent(path);
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}
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return res.redirect('/ghost/signin/' + redirect);
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}
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next();
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}
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// Check if we're logged in, and if so, redirect people back to dashboard
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// Login and signup forms in particular
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function redirectToDashboard(req, res, next) {
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if (req.session.user) {
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return res.redirect('/ghost/');
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}
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next();
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}
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function redirectToSignup(req, res, next) {
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api.users.browse().then(function (users) {
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if (users.length === 0) {
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return res.redirect('/ghost/signup/');
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}
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});
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next();
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}
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// While we're here, let's clean up on aisle 5
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// That being ghost.notifications, and let's remove the passives from there
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// plus the local messages, as they have already been added at this point
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// otherwise they'd appear one too many times
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function cleanNotifications(req, res, next) {
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ghost.notifications = _.reject(ghost.notifications, function (notification) {
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return notification.status === 'passive';
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});
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next();
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}
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// ## AuthApi Middleware
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// Authenticate a request to the API by responding with a 401 and json error details
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function authAPI(req, res, next) {
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if (!req.session.user) {
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// TODO: standardize error format/codes/messages
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res.json(401, { error: 'Please sign in' });
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return;
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}
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next();
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}
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// ### GhostLocals Middleware
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// Expose the standard locals that every external page should have available,
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// separating between the theme and the admin
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function ghostLocals(req, res, next) {
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// Make sure we have a locals value.
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res.locals = res.locals || {};
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res.locals.version = packageInfo.version;
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res.locals.path = req.path;
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if (res.isAdmin) {
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_.extend(res.locals, {
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messages: ghost.notifications
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});
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api.users.read({id: req.session.user}).then(function (currentUser) {
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_.extend(res.locals, {
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currentUser: {
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name: currentUser.attributes.name,
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email: currentUser.attributes.email,
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image: currentUser.attributes.image
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}
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});
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next();
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}).otherwise(function () {
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next();
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});
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} else {
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next();
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}
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}
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// ### DisableCachedResult Middleware
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// Disable any caching until it can be done properly
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function disableCachedResult(req, res, next) {
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res.set({
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"Cache-Control": "no-cache, must-revalidate",
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"Expires": "Sat, 26 Jul 1997 05:00:00 GMT"
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});
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next();
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}
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// ### whenEnabled Middleware
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// Selectively use middleware
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// From https://github.com/senchalabs/connect/issues/676#issuecomment-9569658
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function whenEnabled(setting, fn) {
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return function settingEnabled(req, res, next) {
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if (server.enabled(setting)) {
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fn(req, res, next);
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} else {
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next();
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}
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};
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}
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// ### InitViews Middleware
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// Initialise Theme or Admin Views
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function initViews(req, res, next) {
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var hbsOptions;
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if (!res.isAdmin) {
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// self.globals is a hack til we have a better way of getting combined settings & config
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hbsOptions = {templateOptions: {data: {blog: ghost.blogGlobals()}}};
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if (ghost.themeDirectories[ghost.settings('activeTheme')].hasOwnProperty('partials')) {
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// Check that the theme has a partials directory before trying to use it
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hbsOptions.partialsDir = path.join(ghost.paths().activeTheme, 'partials');
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}
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server.engine('hbs', hbs.express3(hbsOptions));
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server.set('views', ghost.paths().activeTheme);
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} else {
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server.engine('hbs', hbs.express3({partialsDir: ghost.paths().adminViews + 'partials'}));
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server.set('views', ghost.paths().adminViews);
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}
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next();
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}
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// ### Activate Theme
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// Helper for manageAdminAndTheme
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function activateTheme() {
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var stackLocation = _.indexOf(server.stack, _.find(server.stack, function (stackItem, key) {
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return stackItem.route === '' && stackItem.handle.name === 'settingEnabled';
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}));
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// clear the view cache
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server.cache = {};
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server.disable(server.get('activeTheme'));
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server.set('activeTheme', ghost.settings('activeTheme'));
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server.enable(server.get('activeTheme'));
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if (stackLocation) {
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server.stack[stackLocation].handle = whenEnabled(server.get('activeTheme'), express['static'](ghost.paths().activeTheme));
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}
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}
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// ### ManageAdminAndTheme Middleware
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// Uses the URL to detect whether this response should be an admin response
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// This is used to ensure the right content is served, and is not for security purposes
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function manageAdminAndTheme(req, res, next) {
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// TODO improve this regex
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res.isAdmin = /(^\/ghost\/)/.test(req.url);
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if (res.isAdmin) {
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server.enable('admin');
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server.disable(server.get('activeTheme'));
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} else {
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server.enable(server.get('activeTheme'));
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server.disable('admin');
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}
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// Check if the theme changed
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if (ghost.settings('activeTheme') !== server.get('activeTheme')) {
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// Change theme
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if (!ghost.themeDirectories.hasOwnProperty(ghost.settings('activeTheme'))) {
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if (!res.isAdmin) {
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// Throw an error if the theme is not available, but not on the admin UI
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errors.logAndThrowError('The currently active theme ' + ghost.settings('activeTheme') + ' is missing.');
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}
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} else {
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activateTheme();
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}
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}
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next();
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}
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// Expose the promise we will resolve after our pre-loading
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ghost.loaded = loading.promise;
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when.all([ghost.init(), helpers.loadCoreHelpers(ghost)]).then(function () {
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// ##Configuration
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var oneYear = 31536000000;
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// Logging configuration
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if (server.get('env') !== "development") {
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server.use(express.logger());
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} else {
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server.use(express.logger('dev'));
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}
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// Favicon
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server.use(express.favicon(__dirname + '/shared/favicon.ico'));
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// return the correct mime type for woff filess
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express['static'].mime.define({'application/font-woff': ['woff']});
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// Shared static config
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server.use('/shared', express['static'](path.join(__dirname, '/shared')));
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server.use('/content/images', express['static'](path.join(__dirname, '/../content/images')));
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// Serve our built scripts; can't use /scripts here because themes already are
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server.use("/built/scripts", express['static'](path.join(__dirname, '/built/scripts'), {
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// Put a maxAge of one year on built scripts
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maxAge: oneYear
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}));
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// First determine whether we're serving admin or theme content
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server.use(manageAdminAndTheme);
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// Admin only config
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server.use('/ghost', whenEnabled('admin', express['static'](path.join(__dirname, '/client/assets'))));
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// Theme only config
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server.use(whenEnabled(server.get('activeTheme'), express['static'](ghost.paths().activeTheme)));
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// Add in all trailing slashes
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server.use(slashes());
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server.use(express.json());
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server.use(express.urlencoded());
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server.use('/ghost/upload/', express.multipart());
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server.use('/ghost/upload/', express.multipart({uploadDir: __dirname + '/content/images'}));
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server.use('/ghost/debug/db/import/', express.multipart());
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server.use(express.cookieParser(ghost.dbHash));
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server.use(express.cookieSession({ cookie: { maxAge: 60000000 }}));
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// local data
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server.use(ghostLocals);
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// So on every request we actually clean out reduntant passive notifications from the server side
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server.use(cleanNotifications);
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// set the view engine
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server.set('view engine', 'hbs');
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// Initialise the views
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server.use(initViews);
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// process the application routes
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server.use(server.router);
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// ### Error handling
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// 404 Handler
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server.use(errors.render404Page);
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// 500 Handler
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server.use(errors.render500Page);
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// ## Routing
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// ### API routes
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/* TODO: auth should be public auth not user auth */
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// #### Posts
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server.get('/api/v0.1/posts', authAPI, disableCachedResult, api.requestHandler(api.posts.browse));
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server.post('/api/v0.1/posts', authAPI, disableCachedResult, api.requestHandler(api.posts.add));
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server.get('/api/v0.1/posts/:id', authAPI, disableCachedResult, api.requestHandler(api.posts.read));
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server.put('/api/v0.1/posts/:id', authAPI, disableCachedResult, api.requestHandler(api.posts.edit));
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server.del('/api/v0.1/posts/:id', authAPI, disableCachedResult, api.requestHandler(api.posts.destroy));
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// #### Settings
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server.get('/api/v0.1/settings/', authAPI, disableCachedResult, api.requestHandler(api.settings.browse));
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server.get('/api/v0.1/settings/:key/', authAPI, disableCachedResult, api.requestHandler(api.settings.read));
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server.put('/api/v0.1/settings/', authAPI, disableCachedResult, api.requestHandler(api.settings.edit));
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// #### Users
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server.get('/api/v0.1/users/', authAPI, disableCachedResult, api.requestHandler(api.users.browse));
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server.get('/api/v0.1/users/:id/', authAPI, disableCachedResult, api.requestHandler(api.users.read));
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server.put('/api/v0.1/users/:id/', authAPI, disableCachedResult, api.requestHandler(api.users.edit));
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// #### Tags
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server.get('/api/v0.1/tags/', authAPI, disableCachedResult, api.requestHandler(api.tags.all));
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// #### Notifications
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server.del('/api/v0.1/notifications/:id', authAPI, disableCachedResult, api.requestHandler(api.notifications.destroy));
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server.post('/api/v0.1/notifications/', authAPI, disableCachedResult, api.requestHandler(api.notifications.add));
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// ### Admin routes
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/* TODO: put these somewhere in admin */
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server.get(/^\/logout\/?$/, function redirect(req, res) {
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res.redirect(301, '/signout/');
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});
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server.get(/^\/signout\/?$/, admin.logout);
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server.get('/ghost/login/', function redirect(req, res) {
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res.redirect(301, '/ghost/signin/');
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});
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server.get('/ghost/signin/', redirectToSignup, redirectToDashboard, admin.login);
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server.get('/ghost/signup/', redirectToDashboard, admin.signup);
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server.get('/ghost/forgotten/', redirectToDashboard, admin.forgotten);
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server.post('/ghost/forgotten/', admin.resetPassword);
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server.post('/ghost/signin/', admin.auth);
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server.post('/ghost/signup/', admin.doRegister);
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server.post('/ghost/changepw/', auth, admin.changepw);
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server.get('/ghost/editor(/:id)/', auth, admin.editor);
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server.get('/ghost/editor/', auth, admin.editor);
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server.get('/ghost/content/', auth, admin.content);
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server.get('/ghost/settings*', auth, admin.settings);
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server.get('/ghost/debug/', auth, admin.debug.index);
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server.get('/ghost/debug/db/export/', auth, admin.debug['export']);
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server.post('/ghost/debug/db/import/', auth, admin.debug['import']);
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server.get('/ghost/debug/db/reset/', auth, admin.debug.reset);
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// We don't want to register bodyParser globally b/c of security concerns, so use multipart only here
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server.post('/ghost/upload/', admin.uploader);
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// redirect to /ghost and let that do the authentication to prevent redirects to /ghost//admin etc.
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server.get(/^\/((ghost-admin|admin|wp-admin|dashboard|signin)\/?)/, function (req, res) {
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res.redirect('/ghost/');
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});
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server.get(/^\/(ghost$\/?)/, auth, function (req, res) {
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res.redirect('/ghost/');
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});
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server.get('/ghost/', redirectToSignup, auth, admin.index);
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// ### Frontend routes
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/* TODO: dynamic routing, homepage generator, filters ETC ETC */
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server.get('/rss/', frontend.rss);
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server.get('/rss/:page/', frontend.rss);
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server.get('/page/:page/', frontend.homepage);
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server.get('/:slug/', frontend.single);
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server.get('/', frontend.homepage);
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// ## Start Ghost App
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server.listen(
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ghost.config().server.port,
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ghost.config().server.host,
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function () {
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// Tell users if their node version is not supported, and exit
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if (!semver.satisfies(process.versions.node, packageInfo.engines.node)) {
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console.log(
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"\nERROR: Unsupported version of Node".red,
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"\nGhost needs Node version".red,
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packageInfo.engines.node.yellow,
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"you are using version".red,
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process.versions.node.yellow,
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"\nPlease go to http://nodejs.org to get the latest version".green
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);
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process.exit(0);
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}
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// Startup & Shutdown messages
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if (process.env.NODE_ENV === 'production') {
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console.log(
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"Ghost is running...".green,
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"\nYour blog is now available on",
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ghost.config().url,
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"\nCtrl+C to shut down".grey
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);
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// ensure that Ghost exits correctly on Ctrl+C
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process.on('SIGINT', function () {
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console.log(
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"\nGhost has shut down".red,
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"\nYour blog is now offline"
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);
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process.exit(0);
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});
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} else {
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console.log(
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"Ghost is running...".green,
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"\nListening on",
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ghost.config().server.host + ':' + ghost.config().server.port,
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"\nUrl configured as:",
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ghost.config().url,
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"\nCtrl+C to shut down".grey
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);
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// ensure that Ghost exits correctly on Ctrl+C
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process.on('SIGINT', function () {
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console.log(
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"\nGhost has shutdown".red,
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"\nGhost was running for",
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Math.round(process.uptime()),
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"seconds"
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);
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process.exit(0);
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});
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}
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// Let everyone know we have finished loading
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loading.resolve();
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}
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);
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}, errors.logAndThrowError);
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