add whitelisted roles list

src/environment.js

@@ -25,6 +25,7 @@ const ENV_VARS = {
   ],
   SENTRY_DSN: [process.env.SENTRY_DSN, '', false],
   WHITELISTED_CHANNELS: [process.env.WHITELISTED_CHANNELS, '*', false],
+  WHITELISTED_ROLES: [process.env.WHITELISTED_ROLES, '*', false]
 }
 
 function environment(name) {

src/index.js

@@ -9,6 +9,7 @@ const {
 const { environment } = require('./environment')
 const { error, log } = require('./utils')
 const parseWhitelistedChannels = require('./parser/whitelistedChannels')
+const parseWhitelistedRoles = require('./parser/whitelistedRoles')
 
 // Load this as early as possible, to init all the environment variables that may be needed
 dotenv.config()
@@ -26,6 +27,7 @@ client.on('message', message => {
   }
   try {
     const whitelistedChannels = parseWhitelistedChannels()
+    const whitelistedRoles = parseWhitelistedRoles()
 
     const messageWhitelisted = whitelistedChannels.reduce(
       (whitelisted, channel) =>
@@ -37,6 +39,19 @@ client.on('message', message => {
       return
     }
 
+    const roleWhitelisted = whitelistedRoles.reduce(
+      (whitelisted, role) =>
+        message.member.roles.find('name', role) || role === '*' || whitelisted,
+      false,
+    )
+
+    if (!roleWhitelisted && whitelistedRoles) {
+      message.reply(
+        'Your role level is not high enough to access this bot',
+      )
+      return
+    }
+
     const handler = detectHandler(message.content)
     handler(message)
     log(

src/parser/whitelistedRoles.js

@@ -0,0 +1,10 @@
+const { environment } = require('../environment')
+
+module.exports = function parseWhitelistedRoles() {
+  const roles = environment('WHITELISTED_ROLES')
+  if (!roles) {
+    return ['*']
+  }
+
+  return roles.split(',')
+}