Remove Facebook AccountKit auth (#6870)

* Remove Facebook AccountKit auth

Account Kit services are no longer available.

https://developers.facebook.com/blog/post/2019/09/09/account-kit-services-no-longer-available-starting-march/

https://www.sinch.com/blog/facebook-account-kit-is-closing-down-are-your-apps-covered/

* remove flaky test

src/Adapters/Auth/facebookaccountkit.js

@@ -1,60 +0,0 @@
-const crypto = require('crypto');
-const httpsRequest = require('./httpsRequest');
-const Parse = require('parse/node').Parse;
-
-const graphRequest = path => {
-  return httpsRequest.get(`https://graph.accountkit.com/v1.1/${path}`);
-};
-
-function getRequestPath(authData, options) {
-  const access_token = authData.access_token,
-    appSecret = options && options.appSecret;
-  if (appSecret) {
-    const appsecret_proof = crypto
-      .createHmac('sha256', appSecret)
-      .update(access_token)
-      .digest('hex');
-    return `me?access_token=${access_token}&appsecret_proof=${appsecret_proof}`;
-  }
-  return `me?access_token=${access_token}`;
-}
-
-function validateAppId(appIds, authData, options) {
-  if (!appIds.length) {
-    return Promise.reject(
-      new Parse.Error(
-        Parse.Error.OBJECT_NOT_FOUND,
-        'Facebook app id for Account Kit is not configured.'
-      )
-    );
-  }
-  return graphRequest(getRequestPath(authData, options)).then(data => {
-    if (data && data.application && appIds.indexOf(data.application.id) != -1) {
-      return;
-    }
-    throw new Parse.Error(
-      Parse.Error.OBJECT_NOT_FOUND,
-      'Facebook app id for Account Kit is invalid for this user.'
-    );
-  });
-}
-
-function validateAuthData(authData, options) {
-  return graphRequest(getRequestPath(authData, options)).then(data => {
-    if (data && data.error) {
-      throw data.error;
-    }
-    if (data && data.id == authData.id) {
-      return;
-    }
-    throw new Parse.Error(
-      Parse.Error.OBJECT_NOT_FOUND,
-      'Facebook Account Kit auth is invalid for this user.'
-    );
-  });
-}
-
-module.exports = {
-  validateAppId,
-  validateAuthData,
-};

src/Adapters/Auth/index.js

@@ -4,7 +4,6 @@ const apple = require('./apple');
 const gcenter = require('./gcenter');
 const gpgames = require('./gpgames');
 const facebook = require('./facebook');
-const facebookaccountkit = require('./facebookaccountkit');
 const instagram = require('./instagram');
 const linkedin = require('./linkedin');
 const meetup = require('./meetup');
@@ -39,7 +38,6 @@ const providers = {
   gcenter,
   gpgames,
   facebook,
-  facebookaccountkit,
   instagram,
   linkedin,
   meetup,
@@ -62,7 +60,7 @@ const providers = {
 };
 
 function authDataValidator(adapter, appIds, options) {
-  return function(authData) {
+  return function (authData) {
     return adapter.validateAuthData(authData, options).then(() => {
       if (appIds) {
         return adapter.validateAppId(appIds, authData, options);
@@ -117,13 +115,13 @@ function loadAuthAdapter(provider, authOptions) {
   return { adapter, appIds, providerOptions };
 }
 
-module.exports = function(authOptions = {}, enableAnonymousUsers = true) {
+module.exports = function (authOptions = {}, enableAnonymousUsers = true) {
   let _enableAnonymousUsers = enableAnonymousUsers;
-  const setEnableAnonymousUsers = function(enable) {
+  const setEnableAnonymousUsers = function (enable) {
     _enableAnonymousUsers = enable;
   };
   // To handle the test cases on configuration
-  const getValidatorForProvider = function(provider) {
+  const getValidatorForProvider = function (provider) {
     if (provider === 'anonymous' && !_enableAnonymousUsers) {
       return;
     }