/
server.js
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/
server.js
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var express = require('express'),
cookieParser = require('cookie-parser'),
session = require('express-session'),
passport = require("passport"),
LocalStrategy = require('passport-local').Strategy,
bodyParser = require('body-parser'),
flash = require('express-flash'),
morgan = require('morgan'),
multer = require('multer');
var db = require('./data/db.js'),
album_hdlr = require('./handlers/albums.js'),
page_hdlr = require('./handlers/pages.js'),
user_hdlr = require('./handlers/users.js'),
helpers = require('./handlers/helpers.js');
var app = express();
app.use(express.static(__dirname + "/../static"));
var session_configuration = {
secret: 'whoopity whoopity whoop whoop',
resave: false,
saveUninitialized: true,
cookie: { secure: true }
};
session_configuration.cookie.secure = false;
app.use(flash());
app.use(session(session_configuration));
app.use(cookieParser('whoopity whoopity whoop whoop'));
app.use(passport.initialize());
app.use(passport.session());
app.use(morgan('dev'));
// Parse application/x-www-form-urlencoded & JSON
app.use(bodyParser.urlencoded({ extended: false }))
app.use(bodyParser.json())
var upload = multer({ dest: "uploads/" });
/**
* Passport authentication methods.
*/
function alwaysAuthenticated(req, res, next) {
if (req.isAuthenticated()) {
next();
} else {
res.redirect("/pages/login");
}
}
function pageAuthenticatedOrNot(req, res, next) {
if ((req.params && req.params.page_name == 'admin')) {
if (req.isAuthenticated()) {
next();
} else {
res.redirect("/pages/login");
}
} else if (req.params && req.params.page_name == "register") {
if (req.isAuthenticated()) {
req.logout();
}
next();
} else {
next();
}
}
function verifyLoggedOut(req, res, next) {
if (req.user) {
req.logout();
}
next();
}
passport.use(new LocalStrategy(
function(username, password, done) {
user_hdlr.authenticate_user(username, password, (err, user) => {
if (err && err.code == "invalid_credentials") {
return done(null, false, {
message: 'Incorrect credentials.'
});
} else if (err) {
return done(null, false, {
message: `Error while authenticating (\(err.code\))`
});
} else {
return done(null, user);
}
});
}
));
passport.serializeUser(function(user, done) {
done(null, user.uuid);
});
passport.deserializeUser(function(userid, done) {
user_hdlr.user_by_uuid(userid, (err, user) => {
if (err) {
done(err, null);
} else {
done(null, user);
}
});
});
/**
* API Server requests.
*/
app.get('/v1/albums.json', album_hdlr.list_all);
app.put('/v1/albums.json', alwaysAuthenticated, album_hdlr.create_album);
app.get('/v1/albums/:album_name.json', album_hdlr.album_by_name);
app.get('/v1/albums/:album_name/photos.json', album_hdlr.photos_for_album);
app.put('/v1/albums/:album_name/photos.json',
alwaysAuthenticated,
upload.single("photo_file"),
album_hdlr.add_photo_to_album);
app.put('/v1/users.json', user_hdlr.register);
app.get('/pages/:page_name', pageAuthenticatedOrNot, page_hdlr.generate);
app.get('/pages/:page_name/:sub_page',
pageAuthenticatedOrNot,
page_hdlr.generate);
app.post("/service/login",
passport.authenticate('local', {
failureRedirect: '/pages/login?fail',
}),
function (req, res) {
// We want pages to have access to this.
res.cookie("username", req.user.display_name);
res.redirect("/pages/admin/home");
}
);
app.get('/service/logout', function(req, res){
res.cookie("username", "");
req.logout();
res.redirect('/');
});
app.get("/", function (req, res) {
res.redirect("/pages/home");
res.end();
});
app.get('*', four_oh_four);
function four_oh_four(req, res) {
res.writeHead(404, { "Content-Type" : "application/json" });
res.end(JSON.stringify(helpers.invalid_resource()) + "\n");
}
db.init();
app.listen(8080);