Index. Backbone.js app, 274 Behavior-driven development (BDD) language, 252 bodyparser() method, 257

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1 Index A Abstraction dirname global variable, 159 middleware, 155, 158 module.exports, 160 query string parameter, 158 routes, 156, 158 AngelList API, 278 app.configure() method, 47 application.js modules, 292 app.param() method, 257 Authentication patterns, 175 auth.js modules, 278 B Backbone.js app, 274 Behavior-driven development (BDD) language, 252 bodyparser() method, 257 C Cascading Style Sheets (CCS) Less, 182 Sass, 183 Stylus, 181 checkadmin() function, 283 Cluster module four processes, 179 logical units, 180 master process, 177 process ID, 178 server response, 179 setupmaster() method, 177 worker processes, 177 Configuration methods, 33 app.configure(), 47 app.enable() and app.disable(), 34 app.set() and app.get(), 34 console.log(request.route) statement, 110 Create, read, update, and delete (CRUD), 99 Cross-origin resource sharing (CORS), 38 Cross-site request forgery (CSRF), 62, 185 D Database connection app.listen() method, 162 environment variables approach, 165 in modules, 161 JSON file approach, 164 streams, 165 decodeuricomponent() method, 173 DELETE method, 259 DerbyJS, Domain module domain.on() function, 200 domain.run() function, 200 error-domain, 200 error-no-domain, 200 settimeout() function, done(), 253 E Environments, 33, 45 Environment variables approach, 165 Error handling HTTP status codes, 143 JSON, 142 middleware, 142 return keyword, 144 uses,

2 index Express.js express-generator (see Generator) Installation, 7 MVC, 3 structure and modules, 28 watch() method, 29 working principles, 4 configuring settings, 6 database connections, 5 http server object, 6 instantiations, 5 middleware, 6 routes, 6 third-party dependencies, 5 Express.js App, 273 Express.js request object attributes and methods, 113 $ npm installation, 104 package.json file, 104 request.body, 103, 108 request.cookies, 103, 111 request.get() method, 103, 113 request.header() method, 103, 113 request.params, 103, 106 request.query, request.route, 103, 110 request.signedcookies, 103, 113 source code, 115 Express.js response object kitchen-sink app, 119 methods and properties, 133 response.json() method, 119, 130 response.jsonp() method, 119, 132 response.locals object, 119, 122 response.redirect() method, 119, 133 response.render() method, 119 response.send() method, 119, 127 response.set() method, 119, 124 response.status() method, 119, source code, 134 streaming vs. nonstreaming, F 500 Internal Server Error status, 129 findbyidandremove() method, 285 findbyidandupdate() method, 293 finduserbyusername() function, 90 Frameworks Compound, 213 DerbyJS, Geddy, 213 Hapi, 213 LoopBack, Sails.js, Total.js, 213 G Generator, 20 code implementation, 23 execution, 21 express command, 13 public folder, 23 routes folder, 23 terminal command, 21 views folder, 23 H HackHall app definition, 263 execution AngelList app, 265 cookie and session secrets, 265 MongoDB server, 268 MongoDB shell method, 266 Procfile-based applications, 264 seed-script.js, 265 Express.js App, 273 Mocha tests, 310 Mongoose Models (see Mongoose Models) package.json file, 272 routes application.js modules, 292 auth.js modules, 278 index.js modules, 278 main.js modules, 283 posts.js modules, 295 users.js modules, 286 structure, 271 v3.1.0 release, 264 Hapi, 213 Hello World app, 15 app.get() function, 16 HTTP response headers, 19 HTTP status code, 19 request handler, 17 response.end() method, 19 response.send() method, 19 terminal message, 17 text editor, 16 Helmet, 188 HTTP methods,

3 Index I index.js modules, 278 Input sanitation/validation error messages, 191 express-validator, 190 if-else statements, 190 index.jade file, 191 login.jade template, 191 request.assert, 190 request.validationerrors(), 190 test() method, 190 Instagram Gallery, 217 J JSON file approach, 164 K Kitchen-sink app, 119 L Less, 182 LoopBack, M main.js modules, 283 map() function, 253 Middleware, 51, 155, 158 app.use() method, 52 body-parser module, 59 compression() method, 56 connect-busboy module, 72 connect-cors, 73 connect-multiparty, 73 connect-redis, 73 connect-timeout module, 64 cookie-parser, 61 cookies and kegrip, 73 cookie-session, 73 CSRF, 62 errorhandler, 66 everyauth and passport, 73 express-session, 62 express.static() method, 64 express-validator, 73 helmet, 73 method-override, 66 morgan, 58 oauth2-server, 73 query and querystring, 73 raw-body, 73 response-time, 67 serve-favicon, 68 serve-index, 69 static assets, 73 urlencoded(), 60 vhost, 71 Mocha tests, 310 Model-view-controller (MVC), 3 MongoDB shell method, 266 Mongoose Models, 302 AngelList profile, 306 arrays watches, 304 author information, 304 Boolean flags, 306 comments, 304 findprofilebyid() method, 307 Mongoose/BSON data type, 303 Mongoose plug-ins, 307 new operand, 303 ObjectIDs, 307 RegExp, 303 roles array, 306 text, 303 timestamps, 305 url, 303 User model, 305 Mongoskin, 256 Multithreading. See Cluster module N Node.js http.createserver() method, 100 O OAuth module, 276 P package.json file, 256, 272 Parameters, 87 admin.jade template, 90 app.param() method, 91 finduserbyusername() function, 90 middleware method, 91 request handlers, 100 param() function, 93 posts.js modules, add() function, 296 del() function, 299 getpost() method, 298 updatepost() method, 300 Process permissions,

4 index Q Query string, 104 R Redis, 171 Representational State Transfer (REST), 97 request.get() method, 113 request.header() methods, 113 response.end() method, 119 response.render() callback parameter, 122 RESTful API, 249 BDD language, 252 characteristics, 250 CRUD operations, 250 dependencies, 256 idempotent methods, 251 JSON format, 251 Mocha and SuperAgent methods, 251 BDD language, 252 contain() method, 253 done() callback, 253 map() function, 253 source code, 254 testing, 255 nullipotent method, 251 server implementation app.param() method, 257 bodyparser() method, 257 DELETE method, 259 GET requests, 261 morgan (logger) middleware, 257 POST request, 261 source code, 259 Routes, 156, 158 Routing, 94 app.all() method, 98 app.verb() method get()/post() methods, 95 REST, 97 router class, 98 router.route (path) method, 99 trailing slashes, 98 Running applications app.listen() function app.js file, 148 asynchronous function, 148 https.createserver() methods, 150 HTTP server, 149 SSL protocol, app.locals object, 145 app.mountpath property, 146 app.on( mount, callback), 147 app.path() method, 147 app.render() method, S Sails.js, Sass, 183 Secure Socket Layer (SSL) protocol, 149, 151 Security tips cross-site request forgery, 185 helmet, 188 input sanitation/validation, 190 process permissions, 188 Settings, 33 custom, 35 Express.js system, 35 case sensitive routing, 41 env variable, 36 etag, 44 jsonp callback name, 38 query parser, 45 replacer parameter, 40 spaces parameter, 40 strict routing, 42 subdomain offset, 45 trust proxy, 38 view cache, 36 view engine, 36 views, 38 x-powered-by option, 42 Socket.IO, 193 event listener, 197 execution, 197 listen() method, 195 messagechange, 195, 197 send() function, 196 Streams, 165 Stylus, 181 T Template engines app.engine() method, 77 Blade, 83 Combyne.js, 83 configuration statements, 76 consolidate js, 84 EJS express() method,

5 Index Haml-Coffee, 83 Haml.js, 82 Handlebars.js, 82 Hogan.js adapters, 83 Jade, 79, overview, 75 renderfile() method, 78 render()function, 76 Swig, 80, 83 top-down inclusion, 82 view engine setting, 76 Webfiller, 83 Whiskers, 83 Todo app, 223 app.js file bodyparser() middleware, 233 code implementation, 236 cookieparser(), 233 CSRF token, 234 express-session option, 233 http method, 235 logger, 233 methodoverride() middleware, 233 Mongoskin, 232 NPM modules, 232 POST method, 235 render calls, 233 require() function, 231 routes, 234 session()., 233 tasks collection, 232 Completed page, 228 Home page, 224 less files, 247 List page, 225 routes all_done parameter, 238 completed flag value, 239 error results, 239 list() function, 237 multi\: true option, 239 next() function, 238 remove() method, 240 toarray() function, 238 update() method, 239 setup MongoDB installations, 231 package.json, 229 templates, 241 index.jade, 243 layout.jade, 242 tasks_completed.jade, 246 tasks.jade, 243 U, V, W, X, Y, Z users.js modules add() method, 287 admin rights, angellistprofile, 290 findbyidandremove(), 289 findoradduser() method, 289 getuser() method, getusers() method, 286 Mongoose schema, 291 update() method,

Practical Node.js. Building Real-World Scalable Web Apps. Apress* Azat Mardan

Practical Node.js. Building Real-World Scalable Web Apps. Apress* Azat Mardan Practical Node.js Building Real-World Scalable Web Apps Azat Mardan Apress* Contents About the Author About the Technical Reviewer Acknowledgments Introduction xv xvii xix xxi Chapter 1: Setting up Node.js