refactor(app.js, auth.js): Extract all auth method to individual modules

lib/web/auth/ldap/index.js

@@ -0,0 +1,74 @@
+'use strict'
+
+const Router = require('express').Router
+const passport = require('passport')
+const LDAPStrategy = require('passport-ldapauth')
+const config = require('../../../config')
+const models = require('../../../models')
+const logger = require('../../../logger')
+const {setReturnToFromReferer} = require('../utils')
+const {urlencodedParser} = require('../../utils')
+const response = require('../../../response')
+
+let ldapAuth = module.exports = Router()
+
+passport.use(new LDAPStrategy({
+  server: {
+    url: config.ldap.url || null,
+    bindDn: config.ldap.bindDn || null,
+    bindCredentials: config.ldap.bindCredentials || null,
+    searchBase: config.ldap.searchBase || null,
+    searchFilter: config.ldap.searchFilter || null,
+    searchAttributes: config.ldap.searchAttributes || null,
+    tlsOptions: config.ldap.tlsOptions || null
+  }
+}, function (user, done) {
+  var profile = {
+    id: 'LDAP-' + user.uidNumber,
+    username: user.uid,
+    displayName: user.displayName,
+    emails: user.mail ? [user.mail] : [],
+    avatarUrl: null,
+    profileUrl: null,
+    provider: 'ldap'
+  }
+  var stringifiedProfile = JSON.stringify(profile)
+  models.User.findOrCreate({
+    where: {
+      profileid: profile.id.toString()
+    },
+    defaults: {
+      profile: stringifiedProfile
+    }
+  }).spread(function (user, created) {
+    if (user) {
+      var needSave = false
+      if (user.profile !== stringifiedProfile) {
+        user.profile = stringifiedProfile
+        needSave = true
+      }
+      if (needSave) {
+        user.save().then(function () {
+          if (config.debug) { logger.debug('user login: ' + user.id) }
+          return done(null, user)
+        })
+      } else {
+        if (config.debug) { logger.debug('user login: ' + user.id) }
+        return done(null, user)
+      }
+    }
+  }).catch(function (err) {
+    logger.error('ldap auth failed: ' + err)
+    return done(err, null)
+  })
+}))
+
+ldapAuth.post('/auth/ldap', urlencodedParser, function (req, res, next) {
+  if (!req.body.username || !req.body.password) return response.errorBadRequest(res)
+  setReturnToFromReferer(req)
+  passport.authenticate('ldapauth', {
+    successReturnToOrRedirect: config.serverurl + '/',
+    failureRedirect: config.serverurl + '/',
+    failureFlash: true
+  })(req, res, next)
+})