[12.x] remove the "prefix" option for cache password resets

src/Illuminate/Auth/Passwords/CacheTokenRepository.php

@@ -24,7 +24,6 @@ public function __construct(
         protected string $hashKey,
         protected int $expires = 3600,
         protected int $throttle = 60,
-        protected string $prefix = '',
     ) {
     }
 
@@ -41,7 +40,7 @@ public function create(CanResetPasswordContract $user)
         $token = hash_hmac('sha256', Str::random(40), $this->hashKey);
 
         $this->cache->put(
-            $this->prefix.$user->getEmailForPasswordReset(),
+            $this->cacheKey($user),
             [$this->hasher->make($token), Carbon::now()->format($this->format)],
             $this->expires,
         );
@@ -58,7 +57,7 @@ public function create(CanResetPasswordContract $user)
      */
     public function exists(CanResetPasswordContract $user, #[\SensitiveParameter] $token)
     {
-        [$record, $createdAt] = $this->cache->get($this->prefix.$user->getEmailForPasswordReset());
+        [$record, $createdAt] = $this->cache->get($this->cacheKey($user));
 
         return $record
             && ! $this->tokenExpired($createdAt)
@@ -84,7 +83,7 @@ protected function tokenExpired($createdAt)
      */
     public function recentlyCreatedToken(CanResetPasswordContract $user)
     {
-        [$record, $createdAt] = $this->cache->get($this->prefix.$user->getEmailForPasswordReset());
+        [$record, $createdAt] = $this->cache->get($this->cacheKey($user));
 
         return $record && $this->tokenRecentlyCreated($createdAt);
     }
@@ -114,7 +113,7 @@ protected function tokenRecentlyCreated($createdAt)
      */
     public function delete(CanResetPasswordContract $user)
     {
-        $this->cache->forget($this->prefix.$user->getEmailForPasswordReset());
+        $this->cache->forget($this->cacheKey($user));
     }
 
     /**
@@ -125,4 +124,15 @@ public function delete(CanResetPasswordContract $user)
     public function deleteExpired()
     {
     }
+
+    /**
+     * Determine the cache key for the given user.
+     *
+     * @param  \Illuminate\Contracts\Auth\CanResetPassword  $user
+     * @return string
+     */
+    public function cacheKey(CanResetPasswordContract $user): string
+    {
+        return hash('sha256', $user->getEmailForPasswordReset());
+    }
 }

src/Illuminate/Auth/Passwords/PasswordBrokerManager.php

@@ -95,7 +95,6 @@ protected function createTokenRepository(array $config)
                 $key,
                 ($config['expire'] ?? 60) * 60,
                 $config['throttle'] ?? 0,
-                $config['prefix'] ?? '',
             );
         }