Merge branch 'saml-integration' into 'mnt'

Saml integration

See merge request !1

config/default.json

@@ -29,5 +29,9 @@
   "mail_smtp_secure": true,
   "mail_smtp_require_tls": true,
   "mail_smtp_user": "your.smtp.user",
-  "mail_smtp_pass": "your.secret.smtp.password"
+  "mail_smtp_pass": "your.secret.smtp.password",
+
+  "path" : "http://localhost:9666/saml/SSO",
+  "entryPoint" : "https://m4lab.hft-stuttgart.de/idp/saml2/idp/SSOService.php",
+  "issuer" : "spacedeck.m4lab.hft-stuttgart.de"
 }

package.json

@@ -34,9 +34,12 @@
     "node-phantom-simple": "2.2.4",
     "node-server-screenshot": "^0.2.1",
     "nodemailer": "^4.6.7",
+    "passport": "^0.4.1",
+    "passport-saml": "^1.3.5",
     "phantomjs-prebuilt": "^2.1.16",
     "read-chunk": "^2.1.0",
     "request": "^2.88.0",
+    "saml2js": "^0.1.2",
     "sanitize-html": "^1.11.1",
     "sequelize": "^4.37.6",
     "serve-favicon": "~2.4.2",

routes/api/sessions.js

@@ -57,6 +57,7 @@ router.post('/', function(req, res) {
     });
 });
 
+
 router.delete('/current', function(req, res, next) {
   if (req.user) {
     var token = req.cookies['sdsession'];

routes/root.js

@@ -9,11 +9,155 @@ const router = express.Router();
 const mailer = require('../helpers/mailer');
 const _ = require('underscore');
 
+const fs = require('fs')
+const SamlStrategy = require('passport-saml').Strategy
+const passport = require('passport')
+const Saml2js = require('saml2js');
+
 const db = require('../models/db');
 const Sequelize = require('sequelize');
 const Op = Sequelize.Op;
 const uuidv4 = require('uuid/v4');
 
+
+// =========== PASSPORT =======
+  passport.serializeUser(function (user, done) {
+    done(null, user);
+  });
+
+  passport.deserializeUser(function (user, done) {
+    done(null, user);
+  });
+
+  var samlStrategy = new SamlStrategy({
+      // URL that goes from the Identity Provider -> Service Provider
+      callbackUrl: config.path,
+
+      entryPoint: config.entryPoint,
+      issuer: config.issuer,
+      identifierFormat: null,
+
+      validateInResponseTo: false,
+      disableRequestedAuthnContext: true
+  },
+  function (profile, done) {
+    return done(null, {
+      id: profile.nameID,
+      idFormat: profile.nameIDFormat,
+      email: profile.email,
+      firstName: profile.givenName,
+      lastName: profile.sn
+    });
+  });
+
+  passport.use(samlStrategy);
+
+ // to generate Service Provider's XML metadata
+  router.get('/saml/metadata',
+    function(req, res) {
+      res.type('application/xml');
+      var spMetadata = samlStrategy.generateServiceProviderMetadata(fs.readFileSync('/cert/certificate.pem', 'utf8'));
+      res.status(200).send(spMetadata);
+    }
+  );
+
+router.post('/saml/SSO', passport.authenticate('saml', { failureRedirect: '/login', failureFlash: true}), function(req, res){
+    const xmlResponse = req.body.SAMLResponse;
+    const parser = new Saml2js(xmlResponse);
+    const response = parser.toObject();
+    const email = response["mail"];
+    console.log(parser.toJSON());
+    console.log("Nickname "+ response["givenName"])
+    const nickname = response["givenName"];
+    //check, if user exists, if not create.
+    db.User.findAll({where: {email: email}})
+        .then(users => {
+          if (users.length == 0) {
+            crypto.randomBytes(16, function(ex, buf) {
+                var token = buf.toString('hex');
+
+                var u = {
+                    _id: uuidv4(),
+                    email: email,
+                    account_type: "email",
+                    nickname: nickname,
+                    password_hash: "00000",
+                    prefs_language: req.i18n.locale,
+                    confirmation_token: token
+                };
+
+                db.User.create(u)
+                    .error(err => {
+                        res.sendStatus(400);
+                    })
+                    .then(u => {
+                        var homeFolder = {
+                            _id: uuidv4(),
+                            name: req.i18n.__("home"),
+                            space_type: "folder",
+                            creator_id: u._id
+                          };
+                          db.Space.create(homeFolder)
+                            .error(err => {
+                              res.sendStatus(400);
+                            })
+                            .then(homeFolder => {
+                              u.home_folder_id = homeFolder._id;
+                              u.save()
+                                .then(() => {
+                                  // home folder created,
+                                  // auto accept pending invites
+                                  db.Membership.update({
+                                    "state": "active"
+                                  }, {
+                                    where: {
+                                      "email_invited": u.email,
+                                      "state": "pending"
+                                    }
+                                  });
+                                  res.status(201).json({});
+                                })
+                                .error(err => {
+                                  res.status(400).json(err);
+                                });
+                            })
+                    });
+            });
+          }
+        }).then(user =>{
+         db.User.findOne({where: {email: email}})
+                .error(err => {
+                  res.sendStatus(404);
+                })
+                .then(user => {
+                    crypto.randomBytes(48, function(ex, buf) {
+                                  var token = buf.toString('hex');
+
+                                  var session = {
+                                    user_id: user._id,
+                                    token: token,
+                                    ip: req.ip,
+                                    device: "web",
+                                    created_at: new Date(),
+                                    url : "/"
+                                  };
+
+                                  db.Session.create(session)
+                                    .error(err => {
+                                      console.error("Error creating Session:",err);
+                                      res.redirect(500, "/");
+                                    })
+                                    .then(() => {
+                                      var domain = (process.env.NODE_ENV == "production") ? new URL(config.get('endpoint')).hostname : req.headers.hostname;
+                                      console.log("session set successfully");
+                                      res.cookie('sdsession', token, { domain: domain, httpOnly: true });
+                                      res.redirect(302, "/")
+                                    });
+                        });
+                });
+         });
+});
+
 router.get('/', (req, res) => {
   res.render('index', { config:config, user:req.user });
 });
@@ -90,9 +234,16 @@ router.get('/account', (req, res) => {
   res.render('spacedeck');
 });
 
-router.get('/login', (req, res) => {
-  res.render('spacedeck', { config:config, user:req.user });
-});
+router.get('/login', passport.authenticate('saml',
+                           {
+                             successRedirect: '/',
+                             failureRedirect: '/login'
+                           })
+);
+
+
+//  res.render('spacedeck', { config:config, user:req.user });
+//});
 
 router.get('/logout', (req, res) => {
   res.render('spacedeck', { config:config, user:req.user });
@@ -134,4 +285,4 @@ router.get('/spaces/:id', (req, res) => {
   res.render('spacedeck', { config:config, user:req.user });
 });
 
-module.exports = router;
+module.exports = {router: router, passport:passport};

spacedeck.js

@@ -22,7 +22,6 @@ const helmet = require('helmet');
 const express = require('express');
 const app = express();
 const serveStatic = require('serve-static');
-
 const isProduction = app.get('env') === 'production';
 
 // workaround for libssl_conf.so error triggered by phantomjs
@@ -92,7 +91,7 @@ spaceRouter.use('/:id', require('./routes/api/space_exports'));
 
 app.use('/api/sessions', require('./routes/api/sessions'));
 //app.use('/api/webgrabber', require('./routes/api/webgrabber'));
-app.use('/', require('./routes/root'));
+
 
 if (config.get('storage_local_path')) {
   app.use('/storage', serveStatic(config.get('storage_local_path')+"/"+config.get('storage_bucket'), {
@@ -108,6 +107,13 @@ if (app.get('env') == 'development') {
   app.use(require('./middlewares/500'));
 }
 
+const root = require('./routes/root');
+
+const passport = root.passport;
+app.use(passport.initialize());
+app.use(passport.session());
+app.use('/', root.router);
+
 module.exports = app;
 
 // CONNECT TO DATABASE