feat: authentication module refactor + added CAS module

server/modules/authentication/slack/authentication.js

@@ -0,0 +1,25 @@
+/* global WIKI */
+
+// ------------------------------------
+// Slack Account
+// ------------------------------------
+
+const SlackStrategy = require('passport-slack').Strategy
+
+module.exports = {
+  init (passport, conf) {
+    passport.use('slack',
+      new SlackStrategy({
+        clientID: conf.clientId,
+        clientSecret: conf.clientSecret,
+        callbackURL: conf.callbackURL
+      }, (accessToken, refreshToken, profile, cb) => {
+        WIKI.db.users.processProfile(profile).then((user) => {
+          return cb(null, user) || true
+        }).catch((err) => {
+          return cb(err, null) || true
+        })
+      }
+      ))
+  }
+}