support PhantAuth authentication (#5850)

* support PhantAuth authentication

* fix spelling issues

* Add test case

spec/AuthenticationAdapters.spec.js

@@ -13,6 +13,7 @@ const responses = {
   wechat: { errcode: 0 },
   weibo: { uid: 'userId' },
   qq: 'callback( {"openid":"userId"} );', // yes it's like that, run eval in the client :P
+  phantauth: { sub: 'userId' },
 };
 
 describe('AuthenticationProviders', function() {
@@ -33,6 +34,7 @@ describe('AuthenticationProviders', function() {
     'spotify',
     'wechat',
     'weibo',
+    'phantauth',
   ].map(function(providerName) {
     it('Should validate structure of ' + providerName, done => {
       const provider = require('../lib/Adapters/Auth/' + providerName);
@@ -1165,3 +1167,23 @@ describe('apple signin auth adapter', () => {
     }
   });
 });
+
+describe('phant auth adapter', () => {
+  const httpsRequest = require('../lib/Adapters/Auth/httpsRequest');
+
+  it('validateAuthData should throw for invalid auth', async () => {
+    const authData = {
+      id: 'fakeid',
+      access_token: 'sometoken',
+    };
+    const { adapter } = authenticationLoader.loadAuthAdapter('phantauth', {});
+
+    spyOn(httpsRequest, 'get').and.callFake(() => Promise.resolve({ sub: 'invalidID' }));
+    try {
+      await adapter.validateAuthData(authData);
+      fail();
+    } catch (e) {
+      expect(e.message).toBe('PhantAuth auth is invalid for this user.');
+    }
+  });
+});