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Merge pull request #779 from ErisDS/middleware
Refactoring Ghost middleware
This commit is contained in:
Hannah Wolfe
commit
09ca5e6298
5 changed files with 170 additions and 96 deletions
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@ -323,61 +323,4 @@ Ghost.prototype.initPlugins = function (pluginsToLoad) {
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}, errors.logAndThrowError);
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};
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// Initialise Theme or admin
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Ghost.prototype.initTheme = function (app) {
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var self = this,
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oneYear = 31536000000;
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app.set('view engine', 'hbs');
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// return the correct mime type for woff files
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express['static'].mime.define({'application/font-woff': ['woff']});
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// Serve the assets of the current theme
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app.use(express['static'](self.paths().activeTheme));
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// Serve shared assets and images
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app.use('/shared', express['static'](path.join(__dirname, '/shared')));
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app.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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app.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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return function initTheme(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: self.blogGlobals()}}};
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if (!self.themeDirectories.hasOwnProperty(self.settings('activeTheme'))) {
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// Throw an error if the theme is not available...
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// TODO: move this to happen on app start
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errors.logAndThrowError('The currently active theme ' + self.settings('activeTheme') + ' is missing.');
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} else if (self.themeDirectories[self.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(self.paths().activeTheme, 'partials');
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}
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app.engine('hbs', hbs.express3(hbsOptions));
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app.set('views', self.paths().activeTheme);
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} else {
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app.engine('hbs', hbs.express3({partialsDir: self.paths().adminViews + 'partials'}));
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app.set('views', self.paths().adminViews);
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app.use('/public', express['static'](path.join(__dirname, '/client/assets')));
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app.use('/public', express['static'](path.join(__dirname, '/client')));
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}
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next();
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};
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};
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// TODO: Expose the defaults for other people to see/manipulate as a static value?
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// Ghost.defaults = defaults;
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module.exports = Ghost;
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module.exports = Ghost;
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176
core/server.js
176
core/server.js
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@ -8,6 +8,8 @@ var express = require('express'),
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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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I18n = require('./shared/lang/i18n'),
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helpers = require('./server/helpers'),
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@ -92,15 +94,6 @@ function authAPI(req, res, next) {
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next();
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}
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// ### GhostAdmin 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 isGhostAdmin(req, res, next) {
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res.isAdmin = /(^\/ghost$|^\/ghost\/)/.test(req.url);
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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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@ -141,38 +134,162 @@ function disableCachedResult(req, res, next) {
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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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server.configure(function () {
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server.use(isGhostAdmin);
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server.use(express.favicon(__dirname + '/shared/favicon.ico'));
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server.use(I18n.load(ghost));
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server.use(express.bodyParser({}));
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server.use(express.bodyParser({uploadDir: __dirname + '/content/images'}));
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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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server.use(ghost.initTheme(server));
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if (process.env.NODE_ENV !== "development") {
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server.use(express.logger());
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server.use(express.errorHandler({ dumpExceptions: false, showStack: false }));
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}
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});
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var oneYear = 31536000000;
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// Development only configuration
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server.configure("development", function () {
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server.use(express.errorHandler({ dumpExceptions: true, showStack: true }));
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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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}
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// post init config
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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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// set the view engine
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server.set('view engine', 'hbs');
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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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server.use(express.favicon(__dirname + '/shared/favicon.ico'));
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// server.use(I18n.load(ghost));
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server.use(express.bodyParser({}));
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server.use(express.bodyParser({uploadDir: __dirname + '/content/images'}));
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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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// 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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// TODO: replace with proper 400 and 500 error pages
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// 404's
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server.use(function error404Handler(req, res, next) {
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console.log('test', req.url);
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next();
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//res.send(404, {message: "Page not found"});
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});
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// All other errors
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if (server.get('env') === "production") {
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server.use(express.errorHandler({ dumpExceptions: false, showStack: false }));
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} else {
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server.use(express.errorHandler({ dumpExceptions: true, showStack: true }));
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}
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// ## Routing
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// ### API routes
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@ -232,9 +349,10 @@ when.all([ghost.init(), helpers.loadCoreHelpers(ghost)]).then(function () {
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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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server.get('/page/:page/', frontend.homepage);
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// ## Start Ghost App
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@ -8,12 +8,14 @@ var Ghost = require('../../ghost'),
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api = require('../api'),
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RSS = require('rss'),
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_ = require('underscore'),
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errors = require('../errorHandling'),
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when = require('when'),
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ghost = new Ghost(),
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frontendControllers;
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frontendControllers = {
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'homepage': function (req, res) {
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'homepage': function (req, res, next) {
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// Parse the page number
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var pageParam = req.params.page !== undefined ? parseInt(req.params.page, 10) : 1,
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postsPerPage = parseInt(ghost.settings('postsPerPage'), 10),
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@ -55,16 +57,25 @@ frontendControllers = {
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ghost.doFilter('prePostsRender', page.posts, function (posts) {
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res.render('index', {posts: posts, pagination: {page: page.page, prev: page.prev, next: page.next, limit: page.limit, total: page.total, pages: page.pages}});
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});
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}).otherwise(function (err) {
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return next(new Error(err));
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});
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},
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'single': function (req, res) {
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'single': function (req, res, next) {
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api.posts.read({'slug': req.params.slug}).then(function (post) {
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ghost.doFilter('prePostsRender', post.toJSON(), function (post) {
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res.render('post', {post: post});
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});
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if (post) {
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ghost.doFilter('prePostsRender', post.toJSON(), function (post) {
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res.render('post', {post: post});
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});
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} else {
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next();
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}
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}).otherwise(function (err) {
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return next(new Error(err));
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});
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},
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'rss': function (req, res) {
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'rss': function (req, res, next) {
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// Initialize RSS
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var siteUrl = ghost.config().url,
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pageParam = req.params.page !== undefined ? parseInt(req.params.page, 10) : 1,
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@ -123,6 +134,8 @@ frontendControllers = {
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res.send(feed.xml());
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});
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});
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}).otherwise(function (err) {
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return next(new Error(err));
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});
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}
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};
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@ -17,7 +17,7 @@
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<meta http-equiv="cleartype" content="on">
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<link rel="stylesheet" type='text/css' href='http://fonts.googleapis.com/css?family=Open+Sans:400,300,700'>
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<link rel="stylesheet" href="/public/css/screen.css">
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<link rel="stylesheet" href="/ghost/css/screen.css">
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{{{block "pageStyles"}}}
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</head>
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<body class="{{bodyClass}}">
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@ -39,7 +39,7 @@
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{{{ghostScriptTags}}}
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{{{block "bodyScripts"}}}
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<script>
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Ghost.init();
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</script>
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@ -9,7 +9,7 @@
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<li id="usermenu" class="subnav">
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<a href="#" data-toggle="ul" class="dropdown">
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<img class="avatar" src="{{#if currentUser.profile}}{{currentUser.profile}}{{else}}/public/img/user.jpg{{/if}}" alt="Avatar" />
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<img class="avatar" src="{{#if currentUser.profile}}{{currentUser.profile}}{{else}}/ghost/img/user.jpg{{/if}}" alt="Avatar" />
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<span class="name">{{#if currentUser.name}}{{currentUser.name}}{{else}}Ghost{{/if}} v{{version}}</span>
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</a>
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<ul class="overlay">
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