From 40c196153b8efa12ae384c1c0092b2ed60a260d6 Mon Sep 17 00:00:00 2001
From: Daniel <daniel-blyth@live.com.au>
Date: Sat, 4 Mar 2023 03:51:45 +1100
Subject: [PATCH] feat: Export `AuthAdapter` to make it available for extension
 with custom authentication adapters (#8443)

---
 src/Adapters/Auth/index.js | 29 +++++++++++++++++++----------
 src/index.js               |  2 ++
 2 files changed, 21 insertions(+), 10 deletions(-)

diff --git a/src/Adapters/Auth/index.js b/src/Adapters/Auth/index.js
index 0338bfdcea..79a9e9e0bf 100755
--- a/src/Adapters/Auth/index.js
+++ b/src/Adapters/Auth/index.js
@@ -1,5 +1,6 @@
 import loadAdapter from '../AdapterLoader';
 import Parse from 'parse/node';
+import AuthAdapter from './AuthAdapter';
 
 const apple = require('./apple');
 const gcenter = require('./gcenter');
@@ -153,22 +154,30 @@ function loadAuthAdapter(provider, authOptions) {
     return;
   }
 
-  const adapter = Object.assign({}, defaultAdapter);
+  const adapter = defaultAdapter instanceof AuthAdapter ? defaultAdapter : Object.assign({}, defaultAdapter);
+  const keys = [
+    'validateAuthData',
+    'validateAppId',
+    'validateSetUp',
+    'validateLogin',
+    'validateUpdate',
+    'challenge',
+    'policy'
+  ];
+  const defaultAuthAdapter = new AuthAdapter();
+  keys.forEach(key => {
+    const existing = adapter?.[key];
+    if (existing && typeof existing === 'function' && existing.toString() === defaultAuthAdapter[key].toString()) {
+      adapter[key] = null;
+    }
+  });
   const appIds = providerOptions ? providerOptions.appIds : undefined;
 
   // Try the configuration methods
   if (providerOptions) {
     const optionalAdapter = loadAdapter(providerOptions, undefined, providerOptions);
     if (optionalAdapter) {
-      [
-        'validateAuthData',
-        'validateAppId',
-        'validateSetUp',
-        'validateLogin',
-        'validateUpdate',
-        'challenge',
-        'policy',
-      ].forEach(key => {
+      keys.forEach(key => {
         if (optionalAdapter[key]) {
           adapter[key] = optionalAdapter[key];
         }
diff --git a/src/index.js b/src/index.js
index 684443ce5b..dcfe9b4c7e 100644
--- a/src/index.js
+++ b/src/index.js
@@ -6,6 +6,7 @@ import RedisCacheAdapter from './Adapters/Cache/RedisCacheAdapter';
 import LRUCacheAdapter from './Adapters/Cache/LRUCache.js';
 import * as TestUtils from './TestUtils';
 import * as SchemaMigrations from './SchemaMigrations/Migrations';
+import AuthAdapter from './Adapters/Auth/AuthAdapter';
 
 import { useExternal } from './deprecated';
 import { getLogger } from './logger';
@@ -43,4 +44,5 @@ export {
   ParseGraphQLServer,
   _ParseServer as ParseServer,
   SchemaMigrations,
+  AuthAdapter,
 };