support PhantAuth authentication (parse-community#5850)

* support PhantAuth authentication

* fix spelling issues

* Add test case

Author: szkiba

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.');
+    }
+  });
+});

src/Adapters/Auth/index.js

@@ -18,6 +18,7 @@ const qq = require('./qq');
 const wechat = require('./wechat');
 const weibo = require('./weibo');
 const oauth2 = require('./oauth2');
+const phantauth = require('./phantauth');
 
 const anonymous = {
   validateAuthData: () => {
@@ -47,6 +48,7 @@ const providers = {
   qq,
   wechat,
   weibo,
+  phantauth,
 };
 
 function authDataValidator(adapter, appIds, options) {

src/Adapters/Auth/phantauth.js

@@ -0,0 +1,44 @@
+/*
+ * PhantAuth was designed to simplify testing for applications using OpenID Connect
+ * authentication by making use of random generated users.
+ *
+ * To learn more, please go to: https://www.phantauth.net
+ */
+
+const { Parse } = require('parse/node');
+const httpsRequest = require('./httpsRequest');
+
+// Returns a promise that fulfills if this user id is valid.
+function validateAuthData(authData) {
+  return request('auth/userinfo', authData.access_token).then(data => {
+    if (data && data.sub == authData.id) {
+      return;
+    }
+    throw new Parse.Error(
+      Parse.Error.OBJECT_NOT_FOUND,
+      'PhantAuth auth is invalid for this user.'
+    );
+  });
+}
+
+// Returns a promise that fulfills if this app id is valid.
+function validateAppId() {
+  return Promise.resolve();
+}
+
+// A promisey wrapper for api requests
+function request(path, access_token) {
+  return httpsRequest.get({
+    host: 'phantauth.net',
+    path: '/' + path,
+    headers: {
+      Authorization: 'bearer ' + access_token,
+      'User-Agent': 'parse-server',
+    },
+  });
+}
+
+module.exports = {
+  validateAppId: validateAppId,
+  validateAuthData: validateAuthData,
+};