3 // This file consists of the main webserver for FinalsClub.org
4 // and is split between a standard CRUD style webserver and
5 // a websocket based realtime webserver.
7 // A note on house keeping: Anything with XXX is marked
8 // as such because it should be looked at and possibly
9 // revamped or removed depending on circumstances.
12 var sys = require( 'sys' );
13 var os = require( 'os' );
14 var url = require( 'url' );
15 var express = require( 'express' );
16 var mongoStore = require( 'connect-mongo' );
17 var async = require( 'async' );
18 var db = require( './db.js' );
19 var mongoose = require( './models.js' ).mongoose;
20 var Mailer = require( './mailer.js' );
21 var hat = require('hat');
22 var connect = require( 'connect' );
23 var Session = connect.middleware.session.Session;
24 var parseCookie = connect.utils.parseCookie;
25 var Backchannel = require('../bc/backchannel');
28 // Used for initial testing
29 var log3 = function() {}
32 var app = module.exports = express.createServer();
34 // Load Mongoose Schemas
35 // The actual schemas are located in models.j
36 var User = mongoose.model( 'User' );
37 var School = mongoose.model( 'School' );
38 var Course = mongoose.model( 'Course' );
39 var Lecture = mongoose.model( 'Lecture' );
40 var Note = mongoose.model( 'Note' );
42 // More schemas used for legacy data
43 var ArchivedCourse = mongoose.model( 'ArchivedCourse' );
44 var ArchivedNote = mongoose.model( 'ArchivedNote' );
45 var ArchivedSubject = mongoose.model( 'ArchivedSubject' );
47 // XXX Not sure if necessary
48 var ObjectId = mongoose.SchemaTypes.ObjectId;
51 // Use the environment variable DEV_EMAIL for testing
52 var ADMIN_EMAIL = process.env.DEV_EMAIL || 'info@finalsclub.org';
54 // Set server hostname and port from environment variables,
56 // XXX Can be cleaned up
57 var serverHost = process.env.SERVER_HOST;
58 var serverPort = process.env.SERVER_PORT;
61 console.log( 'Using server hostname defined in environment: %s', serverHost );
63 serverHost = os.hostname();
64 console.log( 'No hostname defined, defaulting to os.hostname(): %s', serverHost );
67 // Express configuration depending on environment
68 // development is intended for developing locally or
69 // when not in production, otherwise production is used
70 // when the site will be run live for regular usage.
71 app.configure( 'development', function() {
72 // In development mode, all errors and stack traces will be
73 // dumped to the console and on page for easier troubleshooting
75 app.set( 'errorHandler', express.errorHandler( { dumpExceptions: true, showStack: true } ) );
77 // Set database connection information from environment
78 // variables otherwise use localhost.
79 app.set( 'dbHost', process.env.MONGO_HOST || 'localhost' );
80 app.set( 'dbUri', 'mongodb://' + app.set( 'dbHost' ) + '/fc' );
82 // Set Amazon access and secret keys from environment
83 // variables. These keys are intended to be secret, so
84 // are not included in the source code, but set on the server
86 app.set( 'awsAccessKey', process.env.AWS_ACCESS_KEY_ID );
87 app.set( 'awsSecretKey', process.env.AWS_SECRET_ACCESS_KEY );
89 // If a port wasn't set earlier, set to 3000
95 // Production configuration settings
96 app.configure( 'production', function() {
97 // At the moment we have errors outputting everything
98 // so if there are any issues it is easier to track down.
99 // Once the site is more stable it will be prudent to
100 // use less error tracing.
101 app.set( 'errorHandler', express.errorHandler( { dumpExceptions: true, showStack: true } ) );
103 // Disable view cache due to stale views.
104 // XXX Disable view caching temp
105 app.disable( 'view cache' )
107 // Against setting the database connection information
108 // XXX Can be cleaned up or combined
109 app.set( 'dbHost', process.env.MONGO_HOST || 'localhost' );
110 app.set( 'dbUri', 'mongodb://' + app.set( 'dbHost' ) + '/fc' );
112 // XXX Can be cleaned up or combined
113 app.set( 'awsAccessKey', process.env.AWS_ACCESS_KEY_ID );
114 app.set( 'awsSecretKey', process.env.AWS_SECRET_ACCESS_KEY );
116 // Set to port 80 if not set through environment variables
122 // General Express configuration settings
123 app.configure(function(){
124 // Views are housed in the views folder
125 app.set( 'views', __dirname + '/views' );
126 // All templates use jade for rendering
127 app.set( 'view engine', 'jade' );
128 // Bodyparser is required to handle form submissions
129 // without manually parsing them.
130 app.use( express.bodyParser() );
132 app.use( express.cookieParser() );
134 // Sessions are stored in mongodb which allows them
135 // to be persisted even between server restarts.
136 app.set( 'sessionStore', new mongoStore( {
137 'url' : app.set( 'dbUri' )
140 // This is where the actual Express session handler
141 // is defined, with a mongoStore being set as the
142 // session storage versus in memory storage that is
144 app.use( express.session( {
145 // A secret 'password' for encrypting and decrypting
147 // XXX Should be handled differently
148 'secret' : 'finalsclub',
149 // The max age of the cookies that is allowed
150 // 60 (seconds) * 60 (minutes) * 24 (hours) * 30 (days) * 1000 (milliseconds)
151 'maxAge' : new Date(Date.now() + (60 * 60 * 24 * 30 * 1000)),
152 'store' : app.set( 'sessionStore' )
155 // methodOverride is used to handle PUT and DELETE HTTP
156 // requests that otherwise aren't handled by default.
157 app.use( express.methodOverride() );
158 // Sets the routers middleware to load after everything set
159 // before it, but before static files.
160 app.use( app.router );
161 // Static files are loaded when no dynamic views match.
162 app.use( express.static( __dirname + '/public' ) );
164 // This is the errorHandler set in configuration earlier
165 // being set to a variable to be used after all other
166 // middleware is loaded. Error handling should always
167 // come last or near the bottom.
168 var errorHandler = app.set( 'errorHandler' );
170 app.use( errorHandler );
174 // Mailer functions and helpers
175 // These are helper functions that make for cleaner code.
177 // sendUserActivation is for when a user registers and
178 // first needs to activate their account to use it.
179 function sendUserActivation( user ) {
183 'subject' : 'Activate your FinalsClub.org Account',
185 // Templates are in the email folder and use ejs
186 'template' : 'userActivation',
187 // Locals are used inside ejs so dynamic information
188 // can be rendered properly.
191 'serverHost' : serverHost
195 // Email is sent here
196 mailer.send( message, function( err, result ) {
198 // XXX: Add route to resend this email
199 console.log( 'Error sending user activation email\nError Message: '+err.Message );
201 console.log( 'Successfully sent user activation email.' );
206 // sendUserWelcome is for when a user registers and
207 // a welcome email is sent.
208 function sendUserWelcome( user, school ) {
209 // If a user is not apart of a supported school, they are
210 // sent a different template than if they are apart of a
212 var template = school ? 'userWelcome' : 'userWelcomeNoSchool';
216 'subject' : 'Welcome to FinalsClub',
218 'template' : template,
221 'serverHost' : serverHost
225 mailer.send( message, function( err, result ) {
227 // XXX: Add route to resend this email
228 console.log( 'Error sending user welcome email\nError Message: '+err.Message );
230 console.log( 'Successfully sent user welcome email.' );
236 // These functions are used later in the routes to help
237 // load information and variables, as well as handle
238 // various instances like checking if a user is logged in
240 function loggedIn( req, res, next ) {
241 // If req.user is set, then pass on to the next function
242 // or else alert the user with an error message.
246 req.flash( 'error', 'You must be logged in to access that feature!' );
251 // This loads the user if logged in
252 function loadUser( req, res, next ) {
253 var sid = req.sessionID;
255 console.log( 'got request from session ID: %s', sid );
257 // Find a user based on their stored session id
258 User.findOne( { session : sid }, function( err, user ) {
263 // If a user is found then set req.user the contents of user
264 // and make sure req.user.loggedIn is true.
268 req.user.loggedIn = true;
270 log3( 'authenticated user: '+req.user._id+' / '+req.user.email+'');
272 // Check if a user is activated. If not, then redirec
273 // to the homepage and tell them to check their email
274 // for the activation email.
275 if( req.user.activated ) {
276 // Is the user's profile complete? If not, redirect to their profile
277 if( ! req.user.isComplete ) {
278 if( url.parse( req.url ).pathname != '/profile' ) {
279 req.flash( 'info', 'Your profile is incomplete. Please complete your profile to fully activate your account.' );
281 res.redirect( '/profile' );
289 req.flash( 'info', 'This account has not been activated. Check your email for the activation URL.' );
294 // If no user record was found, then we store the requested
295 // path they intended to view and redirect them after they
296 // login if it is requred.
297 var path = url.parse( req.url ).pathname;
298 req.session.redirect = path;
300 // Set req.user to an empty object so it doesn't throw errors
301 // later on that it isn't defined.
309 // loadSchool is used to load a school by it's id
310 function loadSchool( req, res, next ) {
312 var schoolId = req.params.id;
314 School.findById( schoolId, function( err, school ) {
318 // If a school is found, the user is checked to see if they are
319 // authorized to see or interact with anything related to that
321 school.authorize( user, function( authorized ){
322 req.school.authorized = authorized;
326 // If no school is found, display an appropriate error.
327 req.flash( 'error', 'Invalid school specified!' );
334 // loadSchool is used to load a course by it's id
335 function loadCourse( req, res, next ) {
337 var courseId = req.params.id;
339 Course.findById( courseId, function( err, course ) {
340 if( course && !course.deleted ) {
343 // If a course is found, the user is checked to see if they are
344 // authorized to see or interact with anything related to that
346 course.authorize( user, function( authorized ) {
347 req.course.authorized = authorized;
352 // If no course is found, display an appropriate error.
353 req.flash( 'error', 'Invalid course specified!' );
360 // loadLecture is used to load a lecture by it's id
361 function loadLecture( req, res, next ) {
363 var lectureId = req.params.id;
365 Lecture.findById( lectureId, function( err, lecture ) {
366 if( lecture && !lecture.deleted ) {
367 req.lecture = lecture;
369 // If a lecture is found, the user is checked to see if they are
370 // authorized to see or interact with anything related to that
372 lecture.authorize( user, function( authorized ) {
373 req.lecture.authorized = authorized;
378 // If no lecture is found, display an appropriate error.
379 req.flash( 'error', 'Invalid lecture specified!' );
386 // loadNote is used to load a note by it's id
387 // This is a lot more complicated than the above
388 // due to public/private handling of notes.
389 function loadNote( req, res, next ) {
390 var user = req.user ? req.user : false;
391 var noteId = req.params.id;
393 Note.findById( noteId, function( err, note ) {
394 // If a note is found, and user is set, check if
395 // user is authorized to interact with that note.
396 if( note && user && !note.deleted ) {
397 note.authorize( user, function( auth ) {
399 // If authorzied, then set req.note to be used later
403 } else if ( note.public ) {
404 // If not authorized, but the note is public, then
405 // designate the note read only (RO) and store req.note
411 // If the user is not authorized and the note is private
412 // then display and error.
413 req.flash( 'error', 'You do not have permission to access that note.' );
418 } else if ( note && note.public && !note.deleted ) {
419 // If note is found, but user is not set because they are not
420 // logged in, and the note is public, set the note to read only
421 // and store the note for later.
426 } else if ( note && !note.public && !note.deleted ) {
427 // If the note is found, but user is not logged in and the note is
428 // not public, then ask them to login to view the note. Once logged
429 // in they will be redirected to the note, at which time authorization
430 // handling will be put in effect above.
431 req.session.redirect = '/note/' + note._id;
432 req.flash( 'error', 'You must be logged in to view that note.' );
433 res.redirect( '/login' );
436 req.flash( 'error', 'Invalid note specified!' );
438 res.redirect( '/schools' );
443 // Dynamic Helpers are loaded automatically into views
444 app.dynamicHelpers( {
445 // express-messages is for flash messages for easy
446 // errors and information display
447 'messages' : require( 'express-messages' ),
449 // By default the req object isn't sen't to views
450 // during rendering, this allows you to use the
451 // user object if available in views.
452 'user' : function( req, res ) {
456 // Same, this allows session to be available in views.
457 'session' : function( req, res ) {
463 // The following are the main CRUD routes that are used
464 // to make up this web app.
468 app.get( '/', loadUser, function( req, res ) {
471 res.render( 'index' );
475 // Used to display all available schools and any courses
477 // Public with some private information
478 app.get( '/schools', loadUser, function( req, res ) {
481 // Find all schools and sort by name
482 // XXX mongoose's documentation on sort is extremely poor, tread carefully
483 School.find( {} ).sort( 'name', '1' ).run( function( err, schools ) {
485 // If schools are found, loop through them gathering any courses that are
486 // associated with them and then render the page with that information.
489 function( school, callback ) {
490 // Check if user is authorized with each school
491 school.authorize( user, function( authorized ) {
492 // This is used to display interface elements for those users
493 // that are are allowed to see them, for instance a 'New Course' button.
494 school.authorized = authorized;
496 // Find all courses for school by it's id and sort by name
497 Course.find( { 'school' : school._id } ).sort( 'name', '1' ).run( function( err, courses ) {
498 // If any courses are found, set them to the appropriate school, otherwise
500 if( courses.length > 0 ) {
501 school.courses = courses.filter(function(course) {
502 if (!course.deleted) return course;
507 // This tells async (the module) that each iteration of forEach is
508 // done and will continue to call the rest until they have all been
509 // completed, at which time the last function below will be called.
514 // After all schools and courses have been found, render them
516 res.render( 'schools', { 'schools' : schools } );
520 // If no schools have been found, display none
521 res.render( 'schools', { 'schools' : [] } );
527 // Displays form to create new course
528 // Private, requires user to be authorized
529 app.get( '/:id/course/new', loadUser, loadSchool, function( req, res ) {
530 // Load school from middleware
531 var school = req.school;
533 // If school was not loaded for whatever reason, or the user is not authorized
534 // then redirect to the main schools page.
535 if( ( ! school ) || ( ! school.authorized ) ) {
536 return res.redirect( '/schools' );
539 // If they are authorized and the school exists, then render the page
540 res.render( 'course/new', { 'school': school } );
543 // Recieves new course form
544 app.post( '/:id/course/new', loadUser, loadSchool, function( req, res ) {
545 var school = req.school;
546 // Creates new course from Course Schema
547 var course = new Course;
548 // Gathers instructor information from form
549 var instructorEmail = req.body.email.toLowerCase();
550 var instructorName = req.body.instructorName;
552 // If school doesn't exist or user is not authorized redirect to main schools page
553 if( ( ! school ) || ( ! school.authorized ) ) {
554 res.redirect( '/schools' );
557 // If instructorEmail isn't set, or name isn't set, display error and re-render the page.
558 if ( !instructorEmail || !instructorName ) {
559 req.flash( 'error', 'Invalid parameters!' )
560 return res.render( 'course/new' );
563 // Fill out the course with information from the form
564 course.number = req.body.number;
565 course.name = req.body.name;
566 course.description = req.body.description;
567 course.school = school._id;
568 course.creator = req.user._id;
569 course.subject = req.body.subject;
570 course.department = req.body.department;
572 // Check if a user exists with the instructorEmail, if not then create
573 // a new user and send them an instructor welcome email.
574 User.findOne( { 'email' : instructorEmail }, function( err, user ) {
578 user.name = instructorName
579 user.email = instructorEmail;
580 user.affil = 'Instructor';
581 user.school = school.name;
583 user.activated = false;
585 // Validate instructorEmail
586 // XXX Probably could be done before checking db
587 if ( ( user.email === '' ) || ( !isValidEmail( user.email ) ) ) {
588 req.flash( 'error', 'Please enter a valid email' );
589 // XXX This needs to be fixed, this is not the proper flow
590 return res.redirect( '/register' );
592 // Once the new user information has been completed, save the user
593 // to the database then email them the instructor welcome email.
594 user.save(function( err ) {
595 // If there was an error saving the instructor, prompt the user to fill out
596 // the information again.
598 req.flash( 'error', 'Invalid parameters!' )
599 return res.render( 'course/new' );
604 'subject' : 'A non-profit open education initiative',
606 'template' : 'instructorInvite',
611 'serverHost' : serverHost
615 mailer.send( message, function( err, result ) {
617 console.log( 'Error inviting instructor to course!' );
619 console.log( 'Successfully invited instructor to course.' );
623 // After emails are sent, set the courses instructor to the
624 // new users id and then save the course to the database.
625 course.instructor = user._id;
626 course.save( function( err ) {
628 // XXX better validation
629 req.flash( 'error', 'Invalid parameters!' );
631 return res.render( 'course/new' );
633 // Once the course has been completed email the admin with information
634 // on the course and new instructor
638 'subject' : school.name+' has a new course: '+course.name,
640 'template' : 'newCourse',
645 'serverHost' : serverHost
649 mailer.send( message, function( err, result ) {
651 console.log( 'Error sending new course email to info@finalsclub.org' )
653 console.log( 'Successfully invited instructor to course')
656 // Redirect the user to the schools page where they can see
658 // XXX Redirect to the new course instead
659 res.redirect( '/schools' );
665 // If the user exists, then check if they are already and instructor
666 if (user.affil === 'Instructor') {
667 // If they are an instructor, then save the course with the appropriate
668 // information and email the admin.
669 course.instructor = user._id;
670 course.save( function( err ) {
672 // XXX better validation
673 req.flash( 'error', 'Invalid parameters!' );
675 return res.render( 'course/new' );
680 'subject' : school.name+' has a new course: '+course.name,
682 'template' : 'newCourse',
687 'serverHost' : serverHost
691 mailer.send( message, function( err, result ) {
693 console.log( 'Error sending new course email to info@finalsclub.org' )
695 console.log( 'Successfully invited instructor to course')
698 // XXX Redirect to the new course instead
699 res.redirect( '/schools' );
703 // The existing user isn't an instructor, so the user is notified of the error
704 // and the course isn't created.
705 req.flash( 'error', 'The existing user\'s email you entered is not an instructor' );
706 res.render( 'course/new' );
712 // Individual Course Listing
713 // Public with private information
714 app.get( '/course/:id', loadUser, loadCourse, function( req, res ) {
715 var userId = req.user._id;
716 var course = req.course;
718 // Check if the user is subscribed to the course
719 // XXX Not currently used for anything
720 var subscribed = course.subscribed( userId );
722 // Find lectures associated with this course and sort by name
723 Lecture.find( { 'course' : course._id } ).sort( 'name', '1' ).run( function( err, lectures ) {
724 // Get course instructor information using their id
725 User.findById( course.instructor, function( err, instructor ) {
726 // Render course and lectures
727 res.render( 'course/index', { 'course' : course, 'instructor': instructor, 'subscribed' : subscribed, 'lectures' : lectures } );
733 app.get( '/course/:id/edit', loadUser, loadCourse, function( req, res) {
734 var course = req.course;
738 res.render( 'course/new', {course: course} )
740 req.flash( 'error', 'You don\'t have permission to do that' )
741 res.redirect( '/schools' );
745 // Recieve Course Edit Form
746 app.post( '/course/:id/edit', loadUser, loadCourse, function( req, res ) {
747 var course = req.course;
751 var courseChanges = req.body;
752 course.number = courseChanges.number;
753 course.name = courseChanges.name;
754 course.description = courseChanges.description;
755 course.department = courseChanges.department;
757 course.save(function(err) {
759 req.flash( 'error', 'There was an error saving the course' );
761 res.redirect( '/course/'+ course._id.toString());
764 req.flash( 'error', 'You don\'t have permission to do that' )
765 res.redirect( '/schools' );
770 app.get( '/course/:id/delete', loadUser, loadCourse, function( req, res) {
771 var course = req.course;
775 course.delete(function( err ) {
776 if ( err ) req.flash( 'info', 'There was a problem removing course: ' + err )
777 else req.flash( 'info', 'Successfully removed course' )
778 res.redirect( '/schools' );
781 req.flash( 'error', 'You don\'t have permission to do that' )
782 res.redirect( '/schools' );
786 // Subscribe to course
787 // XXX Not currently used for anything
788 app.get( '/course/:id/subscribe', loadUser, loadCourse, function( req, res ) {
789 var course = req.course;
790 var userId = req.user._id;
792 course.subscribe( userId, function( err ) {
794 req.flash( 'error', 'Error subscribing to course!' );
797 res.redirect( '/course/' + course._id );
801 // Unsubscribe from course
802 // XXX Not currently used for anything
803 app.get( '/course/:id/unsubscribe', loadUser, loadCourse, function( req, res ) {
804 var course = req.course;
805 var userId = req.user._id;
807 course.unsubscribe( userId, function( err ) {
809 req.flash( 'error', 'Error unsubscribing from course!' );
812 res.redirect( '/course/' + course._id );
816 // Create new lecture
817 app.get( '/course/:id/lecture/new', loadUser, loadCourse, function( req, res ) {
818 var courseId = req.params.id;
819 var course = req.course;
822 // If course isn't valid or user isn't authorized for course, redirect
823 if( ( ! course ) || ( ! course.authorized ) ) {
824 return res.redirect( '/course/' + courseId );
827 // Render new lecture form
828 res.render( 'lecture/new', { 'lecture' : lecture } );
831 // Recieve New Lecture Form
832 app.post( '/course/:id/lecture/new', loadUser, loadCourse, function( req, res ) {
833 var courseId = req.params.id;
834 var course = req.course;
835 // Create new lecture from Lecture schema
836 var lecture = new Lecture;
838 if( ( ! course ) || ( ! course.authorized ) ) {
839 res.redirect( '/course/' + courseId );
844 // Populate lecture with form data
845 lecture.name = req.body.name;
846 lecture.date = req.body.date;
847 lecture.course = course._id;
848 lecture.creator = req.user._id;
850 // Save lecture to database
851 lecture.save( function( err ) {
853 // XXX better validation
854 req.flash( 'error', 'Invalid parameters!' );
856 res.render( 'lecture/new', { 'lecture' : lecture } );
858 // XXX Redirect to new lecture instead
859 res.redirect( '/course/' + course._id );
865 // Display individual lecture and related notes
866 app.get( '/lecture/:id', loadUser, loadLecture, function( req, res ) {
867 var lecture = req.lecture;
869 // Grab the associated course
870 // XXX this should be done with DBRefs eventually
871 Course.findById( lecture.course, function( err, course ) {
873 // If course is found, find instructor information to be displayed on page
874 User.findById( course.instructor, function( err, instructor ) {
875 // Pull out our notes
876 Note.find( { 'lecture' : lecture._id } ).sort( 'name', '1' ).run( function( err, notes ) {
877 if ( !req.user.loggedIn || !req.lecture.authorized ) {
878 // Loop through notes and only return those that are public if the
879 // user is not logged in or not authorized for that lecture
880 notes = notes.filter(function( note ) {
881 if ( note.public ) return note;
884 // Render lecture and notes
885 res.render( 'lecture/index', {
888 'instructor' : instructor,
892 'javascripts' : [ 'counts.js' ]
897 // XXX with DBRefs we will be able to reassign orphaned courses/lecture/pads
899 req.flash( 'error', 'That lecture is orphaned!' );
906 // Display new note form
907 app.get( '/lecture/:id/notes/new', loadUser, loadLecture, function( req, res ) {
908 var lectureId = req.params.id;
909 var lecture = req.lecture;
912 if( ( ! lecture ) || ( ! lecture.authorized ) ) {
913 res.redirect( '/lecture/' + lectureId );
918 res.render( 'notes/new', { 'note' : note } );
921 // Recieve new note form
922 app.post( '/lecture/:id/notes/new', loadUser, loadLecture, function( req, res ) {
923 var lectureId = req.params.id;
924 var lecture = req.lecture;
926 if( ( ! lecture ) || ( ! lecture.authorized ) ) {
927 res.redirect( '/lecture/' + lectureId );
932 // Create note from Note schema
935 // Populate note from form data
936 note.name = req.body.name;
937 note.date = req.body.date;
938 note.lecture = lecture._id;
939 note.public = req.body.private ? false : true;
940 note.creator = req.user._id;
942 // Save note to database
943 note.save( function( err ) {
945 // XXX better validation
946 req.flash( 'error', 'Invalid parameters!' );
948 res.render( 'notes/new', { 'note' : note } );
950 // XXX Redirect to new note instead
951 res.redirect( '/lecture/' + lecture._id );
957 // Display individual note page
958 app.get( '/note/:id', loadUser, loadNote, function( req, res ) {
960 // Set read only id for etherpad-lite or false for later check
961 var roID = note.roID || false;
963 var lectureId = note.lecture;
965 // Count the amount of visits, but only once per session
966 if ( req.session.visited ) {
967 if ( req.session.visited.indexOf( note._id.toString() ) == -1 ) {
968 req.session.visited.push( note._id );
972 req.session.visited = [];
973 req.session.visited.push( note._id );
977 // If a read only id exists process note
981 // If read only id doesn't, then fetch the read only id from the database and then
983 // XXX Soon to be depracated due to a new API in etherpad that makes for a
984 // much cleaner solution.
985 db.open('mongodb://' + app.set( 'dbHost' ) + '/etherpad/etherpad', function( err, epl ) {
986 epl.findOne( { key: 'pad2readonly:' + note._id }, function(err, record) {
988 roID = record.value.replace(/"/g, '');
997 function processReq() {
999 Lecture.findById( lectureId, function( err, lecture ) {
1001 req.flash( 'error', 'That notes page is orphaned!' );
1003 res.redirect( '/' );
1005 // Find notes based on lecture id, which will be displayed in a dropdown
1007 Note.find( { 'lecture' : lecture._id }, function( err, otherNotes ) {
1009 // User is logged in and sees full notepad
1011 res.render( 'notes/index', {
1012 'layout' : 'noteLayout',
1013 'host' : serverHost,
1015 'lecture' : lecture,
1016 'otherNotes' : otherNotes,
1019 'stylesheets' : [ 'dropdown.css', 'fc2.css' ],
1020 'javascripts' : [ 'dropdown.js', 'counts.js', 'backchannel.js', 'jquery.tmpl.min.js' ]
1023 // User is not logged in and sees notepad that is public
1024 res.render( 'notes/public', {
1025 'layout' : 'noteLayout',
1026 'host' : serverHost,
1028 'otherNotes' : otherNotes,
1030 'lecture' : lecture,
1031 'stylesheets' : [ 'dropdown.css', 'fc2.css' ],
1032 'javascripts' : [ 'dropdown.js', 'counts.js', 'backchannel.js', 'jquery.tmpl.min.js' ]
1040 // Static pages and redirects
1041 app.get( '/about', loadUser, function( req, res ) {
1042 res.redirect( 'http://blog.finalsclub.org/about.html' );
1045 app.get( '/press', loadUser, function( req, res ) {
1046 res.render( 'static/press' );
1049 app.get( '/conduct', loadUser, function( req, res ) {
1050 res.render( 'static/conduct' );
1053 app.get( '/legal', loadUser, function( req, res ) {
1054 res.redirect( 'http://blog.finalsclub.org/legal.html' );
1057 app.get( '/contact', loadUser, function( req, res ) {
1058 res.redirect( 'http://blog.finalsclub.org/contact.html' );
1061 app.get( '/privacy', loadUser, function( req, res ) {
1062 res.render( 'static/privacy' );
1066 // Authentication routes
1067 // These are used for logging in, logging out, registering
1068 // and other user authentication purposes
1070 // Render login page
1071 app.get( '/login', function( req, res ) {
1072 log3("get login page")
1074 res.render( 'login' );
1077 // Recieve login form
1078 app.post( '/login', function( req, res ) {
1079 var email = req.body.email;
1080 var password = req.body.password;
1081 log3("post login ...")
1083 // Find user from email
1084 User.findOne( { 'email' : email.toLowerCase() }, function( err, user ) {
1088 // If user exists, check if activated, if not notify them and send them to
1091 if( ! user.activated ) {
1092 // (undocumented) markdown-esque link functionality in req.flash
1093 req.flash( 'error', 'This account isn\'t activated. Check your inbox or [click here](/resendActivation) to resend the activation email.' );
1095 req.session.activateCode = user._id;
1097 res.render( 'login' );
1099 // If user is activated, check if their password is correct
1100 if( user.authenticate( password ) ) {
1103 var sid = req.sessionID;
1107 // Set the session then save the user to the database
1108 user.save( function() {
1109 var redirect = req.session.redirect;
1111 // login complete, remember the user's email for next time
1112 req.session.email = email;
1114 // alert the successful login
1115 req.flash( 'info', 'Successfully logged in!' );
1117 // redirect to profile if we don't have a stashed request
1118 res.redirect( redirect || '/profile' );
1121 // Notify user of bad login
1122 req.flash( 'error', 'Invalid login!' );
1124 res.render( 'login' );
1128 // Notify user of bad login
1130 req.flash( 'error', 'Invalid login!' );
1132 res.render( 'login' );
1137 // Request reset password
1138 app.get( '/resetpw', function( req, res ) {
1139 log3("get resetpw page");
1140 res.render( 'resetpw' );
1143 // Display reset password from requested email
1144 app.get( '/resetpw/:id', function( req, res ) {
1145 var resetPassCode = req.params.id
1146 res.render( 'resetpw', { 'verify': true, 'resetPassCode' : resetPassCode } );
1149 // Recieve reset password request form
1150 app.post( '/resetpw', function( req, res ) {
1151 log3("post resetpw");
1152 var email = req.body.email
1156 User.findOne( { 'email' : email.toLowerCase() }, function( err, user ) {
1159 // If user exists, create reset code
1160 var resetPassCode = hat(64);
1161 user.setResetPassCode(resetPassCode);
1163 // Construct url that the user can then click to reset password
1164 var resetPassUrl = 'http://' + serverHost + ((app.address().port != 80)? ':'+app.address().port: '') + '/resetpw/' + resetPassCode;
1166 // Save user to database
1167 user.save( function( err ) {
1168 log3('save '+user.email);
1170 // Construct email and send it to the user
1174 'subject' : 'Your FinalsClub.org Password has been Reset!',
1176 'template' : 'userPasswordReset',
1178 'resetPassCode' : resetPassCode,
1179 'resetPassUrl' : resetPassUrl
1183 mailer.send( message, function( err, result ) {
1185 // XXX: Add route to resend this email
1187 console.log( 'Error sending user password reset email!' );
1189 console.log( 'Successfully sent user password reset email.' );
1194 // Render request success page
1195 res.render( 'resetpw-success', { 'email' : email } );
1199 res.render( 'resetpw-error', { 'email' : email } );
1204 // Recieve reset password form
1205 app.post( '/resetpw/:id', function( req, res ) {
1206 log3("post resetpw.code");
1207 var resetPassCode = req.params.id
1208 var email = req.body.email
1209 var pass1 = req.body.pass1
1210 var pass2 = req.body.pass2
1212 // Find user by email
1213 User.findOne( { 'email' : email.toLowerCase() }, function( err, user ) {
1215 // If user exists, and the resetPassCode is valid, pass1 and pass2 match, then
1216 // save user with new password and display success message.
1218 var valid = user.resetPassword(resetPassCode, pass1, pass2);
1220 user.save( function( err ) {
1221 res.render( 'resetpw-success', { 'verify' : true, 'email' : email, 'resetPassCode' : resetPassCode } );
1226 // If there was a problem, notify user
1228 res.render( 'resetpw-error', { 'verify' : true, 'email' : email } );
1233 // Display registration page
1234 app.get( '/register', function( req, res ) {
1235 log3("get reg page");
1237 // Populate school dropdown list
1238 School.find( {} ).sort( 'name', '1' ).run( function( err, schools ) {
1239 res.render( 'register', { 'schools' : schools } );
1243 // Recieve registration form
1244 app.post( '/register', function( req, res ) {
1245 var sid = req.sessionId;
1247 // Create new user from User schema
1248 var user = new User;
1250 // Populate user from form
1251 user.email = req.body.email.toLowerCase();
1252 user.password = req.body.password;
1254 // If school is set to other, then fill in school as what the
1256 user.school = req.body.school === 'Other' ? req.body.otherSchool : req.body.school;
1257 user.name = req.body.name;
1258 user.affil = req.body.affil;
1259 user.activated = false;
1262 if ( ( user.email === '' ) || ( !isValidEmail( user.email ) ) ) {
1263 req.flash( 'error', 'Please enter a valid email' );
1264 return res.redirect( '/register' );
1267 // Check if password is greater than 6 characters, otherwise notify user
1268 if ( req.body.password.length < 6 ) {
1269 req.flash( 'error', 'Please enter a password longer than eight characters' );
1270 return res.redirect( '/register' );
1273 // Pull out hostname from email
1274 var hostname = user.email.split( '@' ).pop();
1276 // Check if email is from one of the special domains
1277 if( /^(finalsclub.org|sleepless.com)$/.test( hostname ) ) {
1281 // Save user to database
1282 user.save( function( err ) {
1283 // If error, check if it is because the user already exists, if so
1284 // get the user information and let them know
1286 if( /dup key/.test( err.message ) ) {
1287 // attempting to register an existing address
1288 User.findOne({ 'email' : user.email }, function(err, result ) {
1289 if (result.activated) {
1290 // If activated, make sure they know how to contact the admin
1291 req.flash( 'error', 'There is already someone registered with this email, if this is in error contact info@finalsclub.org for help' )
1292 return res.redirect( '/register' )
1294 // If not activated, direct them to the resendActivation page
1295 req.flash( 'error', 'There is already someone registered with this email, if this is you, please check your email for the activation code' )
1296 return res.redirect( '/resendActivation' )
1300 // If any other type of error, prompt them to enter the registration again
1301 req.flash( 'error', 'An error occurred during registration.' );
1303 return res.redirect( '/register' );
1306 // send user activation email
1307 sendUserActivation( user );
1309 // Check if the hostname matches any in the approved schools
1310 School.findOne( { 'hostnames' : hostname }, function( err, school ) {
1312 // If there is a match, send associated welcome message
1313 sendUserWelcome( user, true );
1314 log3('school recognized '+school.name);
1315 // If no users exist for the school, create empty array
1316 if (!school.users) school.users = [];
1317 // Add user to the school
1318 school.users.push( user._id );
1320 // Save school to the database
1321 school.save( function( err ) {
1322 log3('school.save() done');
1323 // Notify user that they have been added to the school
1324 req.flash( 'info', 'You have automatically been added to the ' + school.name + ' network. Please check your email for the activation link' );
1325 res.redirect( '/' );
1327 // Construct admin email about user registration
1331 'subject' : 'FC User Registration : User added to ' + school.name,
1333 'template' : 'userSchool',
1339 // If there isn't a match, send associated welcome message
1340 sendUserWelcome( user, false );
1341 // Tell user to check for activation link
1342 req.flash( 'info', 'Your account has been created, please check your email for the activation link' )
1343 res.redirect( '/' );
1344 // Construct admin email about user registration
1348 'subject' : 'FC User Registration : Email did not match any schools',
1350 'template' : 'userNoSchool',
1356 // Send email to admin
1357 mailer.send( message, function( err, result ) {
1360 console.log( 'Error sending user has no school email to admin\nError Message: '+err.Message );
1362 console.log( 'Successfully sent user has no school email to admin.' );
1372 // Display resendActivation request page
1373 app.get( '/resendActivation', function( req, res ) {
1374 var activateCode = req.session.activateCode;
1376 // Check if user exists by activateCode set in their session
1377 User.findById( activateCode, function( err, user ) {
1378 if( ( ! user ) || ( user.activated ) ) {
1379 res.redirect( '/' );
1381 // Send activation and redirect to login
1382 sendUserActivation( user );
1384 req.flash( 'info', 'Your activation code has been resent.' );
1386 res.redirect( '/login' );
1391 // Display activation page
1392 app.get( '/activate/:code', function( req, res ) {
1393 var code = req.params.code;
1395 // XXX could break this out into a middleware
1397 res.redirect( '/' );
1400 // Find user by activation code
1401 User.findById( code, function( err, user ) {
1402 if( err || ! user ) {
1403 // If not found, notify user of invalid code
1404 req.flash( 'error', 'Invalid activation code!' );
1406 res.redirect( '/' );
1408 // If valid, then activate user
1409 user.activated = true;
1411 // Regenerate our session and log in as the new user
1412 req.session.regenerate( function() {
1413 user.session = req.sessionID;
1415 // Save user to database
1416 user.save( function( err ) {
1418 req.flash( 'error', 'Unable to activate account.' );
1420 res.redirect( '/' );
1422 req.flash( 'info', 'Account successfully activated. Please complete your profile.' );
1424 res.redirect( '/profile' );
1433 app.get( '/logout', function( req, res ) {
1434 var sid = req.sessionID;
1436 // Find user by session id
1437 User.findOne( { 'session' : sid }, function( err, user ) {
1439 // Empty out session id
1442 // Save user to database
1443 user.save( function( err ) {
1444 res.redirect( '/' );
1447 res.redirect( '/' );
1452 // Display users profile page
1453 app.get( '/profile', loadUser, loggedIn, function( req, res ) {
1454 var user = req.user;
1456 res.render( 'profile/index', { 'user' : user } );
1459 // Recieve profile edit page form
1460 app.post( '/profile', loadUser, loggedIn, function( req, res ) {
1461 var user = req.user;
1462 var fields = req.body;
1465 var wasComplete = user.isComplete;
1467 if( ! fields.name ) {
1468 req.flash( 'error', 'Please enter a valid name!' );
1472 user.name = fields.name;
1475 if( [ 'Student', 'Teachers Assistant' ].indexOf( fields.affiliation ) == -1 ) {
1476 req.flash( 'error', 'Please select a valid affiliation!' );
1480 user.affil = fields.affiliation;
1483 if( fields.existingPassword || fields.newPassword || fields.newPasswordConfirm ) {
1484 // changing password
1485 if( ( ! user.hashed ) || user.authenticate( fields.existingPassword ) ) {
1486 if( fields.newPassword === fields.newPasswordConfirm ) {
1487 // test password strength?
1489 user.password = fields.newPassword;
1491 req.flash( 'error', 'Mismatch in new password!' );
1496 req.flash( 'error', 'Please supply your existing password.' );
1502 user.major = fields.major;
1503 user.bio = fields.bio;
1505 user.showName = ( fields.showName ? true : false );
1508 user.save( function( err ) {
1510 req.flash( 'error', 'Unable to save user profile!' );
1512 if( ( user.isComplete ) && ( ! wasComplete ) ) {
1513 req.flash( 'info', 'Your account is now fully activated. Thank you for joining FinalsClub!' );
1515 res.redirect( '/' );
1517 res.render( 'info', 'Your profile was successfully updated!' );
1519 res.render( 'profile/index', { 'user' : user } );
1524 res.render( 'profile/index', { 'user' : user } );
1531 function loadSubject( req, res, next ) {
1532 if( url.parse( req.url ).pathname.match(/subject/) ) {
1533 ArchivedSubject.findOne({id: req.params.id }, function(err, subject) {
1535 req.flash( 'error', 'Subject with this ID does not exist' )
1536 res.redirect( '/archive' );
1538 req.subject = subject;
1547 function loadOldCourse( req, res, next ) {
1548 if( url.parse( req.url ).pathname.match(/course/) ) {
1549 ArchivedCourse.findOne({id: req.params.id }, function(err, course) {
1551 req.flash( 'error', 'Course with this ID does not exist' )
1552 res.redirect( '/archive' );
1554 req.course = course;
1563 var featuredCourses = [
1564 {name: 'The Human Mind', 'id': 1563},
1565 {name: 'Justice', 'id': 797},
1566 {name: 'Protest Literature', 'id': 1681},
1567 {name: 'Animal Cognition', 'id': 681},
1568 {name: 'Positive Psychology', 'id': 1793},
1569 {name: 'Social Psychology', 'id': 660},
1570 {name: 'The Book from Gutenberg to the Internet', 'id': 1439},
1571 {name: 'Cyberspace in Court', 'id': 1446},
1572 {name: 'Nazi Cinema', 'id': 2586},
1573 {name: 'Media and the American Mind', 'id': 2583},
1574 {name: 'Social Thought in Modern America', 'id': 2585},
1575 {name: 'Major British Writers II', 'id': 869},
1576 {name: 'Civil Procedure', 'id': 2589},
1577 {name: 'Evidence', 'id': 2590},
1578 {name: 'Management of Industrial and Nonprofit Organizations', 'id': 2591},
1581 app.get( '/learn', loadUser, function( req, res ) {
1582 res.render( 'archive/learn', { 'courses' : featuredCourses } );
1585 app.get( '/learn/random', loadUser, function( req, res ) {
1586 res.redirect( '/archive/course/'+ featuredCourses[Math.floor(Math.random()*featuredCourses.length)].id);
1589 app.get( '/archive', loadUser, function( req, res ) {
1590 ArchivedSubject.find({}).sort( 'name', '1' ).run( function( err, subjects ) {
1592 req.flash( 'error', 'There was a problem gathering the archived courses, please try again later.' );
1593 res.redirect( '/' );
1595 res.render( 'archive/index', { 'subjects' : subjects } );
1600 app.get( '/archive/subject/:id', loadUser, loadSubject, function( req, res ) {
1601 ArchivedCourse.find({subject_id: req.params.id}).sort('name', '1').run(function(err, courses) {
1603 req.flash( 'error', 'There are no archived courses' );
1604 res.redirect( '/' );
1606 res.render( 'archive/courses', { 'courses' : courses, 'subject': req.subject } );
1611 app.get( '/archive/course/:id', loadUser, loadOldCourse, function( req, res ) {
1612 ArchivedNote.find({course_id: req.params.id}).sort('name', '1').run(function(err, notes) {
1614 req.flash( 'error', 'There are no notes in this course' );
1615 res.redirect( '/archive' );
1617 res.render( 'archive/notes', { 'notes' : notes, 'course' : req.course } );
1622 app.get( '/archive/note/:id', loadUser, function( req, res ) {
1623 ArchivedNote.findById(req.params.id, function(err, note) {
1625 req.flash( 'error', 'This is not a valid id for a note' );
1626 res.redirect( '/archive' );
1628 ArchivedCourse.findOne({id: note.course_id}, function(err, course) {
1630 req.flash( 'error', 'There is no course for this note' )
1631 res.redirect( '/archive' )
1633 res.render( 'archive/note', { 'layout' : 'notesLayout', 'note' : note, 'course': course } );
1642 // The finalsclub backchannel server uses socket.io to handle communication between the server and
1643 // the browser which facilitates near realtime interaction. This allows the user to post questions
1644 // and comments and other users to get those almost immediately after they are posted, without
1645 // reloading the page or pressing a button to refresh.
1647 // The server code itself is fairly simple, mainly taking incomming messages from client browsers,
1648 // saving the data to the database, and then sending it out to everyone else connected.
1651 // Posts - Posts are the main items in backchannel, useful for questions or discussion points
1652 // Comments - Comments are replies to posts, for clarification or answering questions
1653 // Votes - Votes signifyg a users approval of a post
1654 // Flags - Flagging a post signifies that it is against the rules, 2 flags moves it to the bottomw
1658 // body - Main content of the post
1659 // userId - Not currently used, but would contain the users id that made the post
1660 // userName - Users name that made post
1661 // userAffil - Users affiliation to their school
1662 // public - Boolean which denotes if the post is public to everyone, or private to school users only
1663 // date - Date post was made, updates when any comments are made for the post
1664 // comments - An array of comments which contain a body, userName, and userAffil
1665 // votes - An array of user ids which are the users that voted
1666 // reports - An array of user ids which are the users that reported the post
1668 // Posts and comments can be made anonymously. When a post is anonymous, the users info is stripped
1669 // from the post and the userName is set to Anonymous and the userAffil to N/A. This is to allow
1670 // users the ability to make posts or comments that they might not otherwise due to not wanting
1671 // the content of the post/comment to be attributed to them.
1673 // Each time a user connects to the server, it passes through authorization which checks for a cookie
1674 // that is set by Express. If a session exists and it is for a valid logged in user, then handshake.user
1675 // is set to the users data, otherwise it is set to false. handshake.user is used later on to check if a
1676 // user is logged in, and if so display information that otherwise might not be visible to them if they
1677 // aren't apart of a particular school.
1679 // After the authorization step, the client browser sends the lecture id which is rendered into the html
1680 // page on page load from Express. This is then used to assign a 'room' for the user which is grouped
1681 // by lecture. All posts are grouped by lecture, and only exist for that lecture. After the user is
1682 // grouped into a 'room', they are sent a payload of all existing posts for that lecture, which are then
1683 // rendered in the browser.
1685 // Everything else from this point on is handled in an event form and requires a user initiating it. The
1686 // events are as follows.
1689 // A user makes a new post. A payload of data containing the post and lecture id is sent to the server.
1690 // The server recieves the data, assembles a new post object for the database and then fills it with
1691 // the appropriate data. If a user selected for the post to be anonymous, the userName and userAffil are
1692 // replaced. If the user chose for the post to be private, then public will be set to false and it
1693 // will be filtered from being sent to users not logged into and not having access to the school. Once
1694 // the post has been created and saved into the database, it is sent to all connected users to that
1695 // particular lecture, unless it is private, than only logged in users will get it.
1698 // A user votes for a post. A payload of data containing the post id and lecture id are sent along with
1699 // the user id. A new vote is created by first fetching the parent post, then adding the user id to the
1700 // votes array, and then the post is subsequently saved back to the database and sent to all connected
1701 // users unless the post is private, which then it will be only sent to logged in users.
1704 // Similar to the vote event, reports are sent as a payload of a post id, lecture id, and user id, which
1705 // are then used to fetch the parent post, add the user id to the reports array, and then saved to the db.
1706 // Then the report is sent out to all connected users unless it is a private post, which will be only sent
1707 // to logged in users. On the client, once a post has more two (2) or more reports, it will be moved to the
1708 // bottom of the interface.
1711 // A user posts a comment to a post. A payload of data containing the post id, lecture id, comment body,
1712 // user name, and user affiliation are sent to the server, which are then used to find the parent post
1713 // and then a new comment object is assembled. When new comments are made, it updates the posts date
1714 // which allows the post to be sorted by date and the posts with the freshest comments would be pushed
1715 // to the top of the interface. The comment can be anonymous, which then will have the user
1716 // name and affiliation stripped before saving to the database. The comment then will be sent out to all
1717 // connected users unless the post is private, then only logged in users will recieve the comment.
1719 var io = require( 'socket.io' ).listen( app );
1721 var Post = mongoose.model( 'Post' );
1723 io.set('authorization', function ( handshake, next ) {
1724 var rawCookie = handshake.headers.cookie;
1726 handshake.cookie = parseCookie(rawCookie);
1727 handshake.sid = handshake.cookie['connect.sid'];
1729 if ( handshake.sid ) {
1730 app.set( 'sessionStore' ).get( handshake.sid, function( err, session ) {
1732 handshake.user = false;
1733 return next(null, true);
1735 // bake a new session object for full r/w
1736 handshake.session = new Session( handshake, session );
1738 User.findOne( { session : handshake.sid }, function( err, user ) {
1740 handshake.user = user;
1741 return next(null, true);
1743 handshake.user = false;
1744 return next(null, true);
1752 return next(null, true);
1756 var backchannel = new Backchannel(app, io.of('/backchannel'), {
1757 subscribe: function(lecture, send) {
1758 Post.find({'lecture': lecture}, function(err, posts) {
1762 post: function(fillPost) {
1763 var post = new Post;
1764 fillPost(post, function(send) {
1765 post.save(function(err) {
1770 items: function(postId, addItem) {
1771 Post.findById(postId, function( err, post ) {
1772 addItem(post, function(send) {
1773 post.save(function(err) {
1788 .on( 'connection', function( socket ) {
1789 // pull out user/session information etc.
1790 var handshake = socket.handshake;
1791 var userID = handshake.user._id;
1798 socket.on( 'join', function( note ) {
1799 if (handshake.user === false) {
1801 // XXX: replace by addToSet (once it's implemented in mongoose)
1802 Note.findById( noteID, function( err, note ) {
1804 if( note.collaborators.indexOf( userID ) == -1 ) {
1805 note.collaborators.push( userID );
1813 socket.on( 'watch', function( l ) {
1814 var sendCounts = function() {
1817 Note.find( { '_id' : { '$in' : watched } }, function( err, notes ) {
1820 function( note, callback ) {
1822 var count = note.collaborators.length;
1828 socket.emit( 'counts', send );
1830 timer = setTimeout( sendCounts, 5000 );
1836 Note.find( { 'lecture' : l }, [ '_id' ], function( err, notes ) {
1837 notes.forEach( function( note ) {
1838 watched.push( note._id );
1845 socket.on( 'disconnect', function() {
1846 clearTimeout( timer );
1848 if (handshake.user === false) {
1849 // XXX: replace with $pull once it's available
1851 Note.findById( noteID, function( err, note ) {
1853 var index = note.collaborators.indexOf( userID );
1856 note.collaborators.splice( index, 1 );
1867 // Exception Catch-All
1869 process.on('uncaughtException', function (e) {
1870 console.log("!!!!!! UNCAUGHT EXCEPTION\n" + e.stack);
1876 mongoose.connect( app.set( 'dbUri' ) );
1877 mongoose.connection.db.serverConfig.connection.autoReconnect = true
1879 var mailer = new Mailer( app.set('awsAccessKey'), app.set('awsSecretKey') );
1881 app.listen( serverPort, function() {
1882 console.log( "Express server listening on port %d in %s mode", app.address().port, app.settings.env );
1884 // if run as root, downgrade to the owner of this file
1885 if (process.getuid() === 0) {
1886 require('fs').stat(__filename, function(err, stats) {
1887 if (err) { return console.log(err); }
1888 process.setuid(stats.uid);
1893 function isValidEmail(email) {
1894 var re = /[a-z0-9!#$%&'*+\/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+\/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?/;
1895 return email.match(re);