Email domain restriction added for OAuth2 authorization.

lib/cli/auth-oauth2/index.js

@@ -54,6 +54,12 @@ module.exports.builder = function(yargs) {
     , default: process.env.OAUTH_SCOPE
     , demand: true
     })
+    .option('oauth-domain', {
+      describe: 'Optional email domain to allow authentication for.'
+    , type: 'string'
+    , default: process.env.OAUTH_DOMAIN
+    , demand: false
+    })
     .option('port', {
       alias: 'p'
     , describe: 'The port to bind to.'
@@ -89,6 +95,7 @@ module.exports.handler = function(argv) {
   , secret: argv.secret
   , ssid: argv.ssid
   , appUrl: argv.appUrl
+  , domain: argv.oauthDomain
   , oauth: {
       authorizationURL: argv.oauthAuthorizationUrl
     , tokenURL: argv.oauthTokenUrl