diff --git a/src/Http/Middleware/CheckClientCredentials.php b/src/Http/Middleware/CheckClientCredentials.php
index 6cf006dda..ca1c621b3 100644
--- a/src/Http/Middleware/CheckClientCredentials.php
+++ b/src/Http/Middleware/CheckClientCredentials.php
@@ -2,92 +2,35 @@
 
 namespace Laravel\Passport\Http\Middleware;
 
-use Closure;
 use Illuminate\Auth\AuthenticationException;
 use Laravel\Passport\Exceptions\MissingScopeException;
-use Laravel\Passport\TokenRepository;
-use League\OAuth2\Server\Exception\OAuthServerException;
-use League\OAuth2\Server\ResourceServer;
-use Symfony\Bridge\PsrHttpMessage\Factory\PsrHttpFactory;
-use Zend\Diactoros\ResponseFactory;
-use Zend\Diactoros\ServerRequestFactory;
-use Zend\Diactoros\StreamFactory;
-use Zend\Diactoros\UploadedFileFactory;
 
-class CheckClientCredentials
+class CheckClientCredentials extends CheckCredentials
 {
     /**
-     * The Resource Server instance.
+     * Validate token credentials.
      *
-     * @var \League\OAuth2\Server\ResourceServer
-     */
-    protected $server;
-
-    /**
-     * Token Repository.
-     *
-     * @var \Laravel\Passport\TokenRepository
-     */
-    protected $repository;
-
-    /**
-     * Create a new middleware instance.
-     *
-     * @param  \League\OAuth2\Server\ResourceServer  $server
-     * @param  \Laravel\Passport\TokenRepository  $repository
+     * @param  \Laravel\Passport\Token  $token
      * @return void
-     */
-    public function __construct(ResourceServer $server, TokenRepository $repository)
-    {
-        $this->server = $server;
-        $this->repository = $repository;
-    }
-
-    /**
-     * Handle an incoming request.
-     *
-     * @param  \Illuminate\Http\Request  $request
-     * @param  \Closure  $next
-     * @param  mixed  ...$scopes
-     * @return mixed
      * @throws \Illuminate\Auth\AuthenticationException
      */
-    public function handle($request, Closure $next, ...$scopes)
+    protected function validateCredentials($token)
     {
-        $psr = (new PsrHttpFactory(
-            new ServerRequestFactory,
-            new StreamFactory,
-            new UploadedFileFactory,
-            new ResponseFactory
-        ))->createRequest($request);
-
-        try {
-            $psr = $this->server->validateAuthenticatedRequest($psr);
-        } catch (OAuthServerException $e) {
+        if (! $token || $token->client->firstParty()) {
             throw new AuthenticationException;
         }
-
-        $this->validate($psr, $scopes);
-
-        return $next($request);
     }
 
     /**
-     * Validate the scopes and token on the incoming request.
+     * Validate token credentials.
      *
-     * @param  \Psr\Http\Message\ServerRequestInterface $psr
+     * @param  \Laravel\Passport\Token  $token
      * @param  array  $scopes
      * @return void
-     * @throws \Laravel\Passport\Exceptions\MissingScopeException|\Illuminate\Auth\AuthenticationException
+     * @throws \Laravel\Passport\Exceptions\MissingScopeException
      */
-    protected function validate($psr, $scopes)
+    protected function validateScopes($token, $scopes)
     {
-        $token = $this->repository->find($psr->getAttribute('oauth_access_token_id'));
-
-        if (! $token || $token->client->firstParty()) {
-            throw new AuthenticationException;
-        }
-
         if (in_array('*', $token->scopes)) {
             return;
         }
diff --git a/src/Http/Middleware/CheckClientCredentialsForAnyScope.php b/src/Http/Middleware/CheckClientCredentialsForAnyScope.php
index 6c1337ce9..c047774f2 100644
--- a/src/Http/Middleware/CheckClientCredentialsForAnyScope.php
+++ b/src/Http/Middleware/CheckClientCredentialsForAnyScope.php
@@ -2,104 +2,45 @@
 
 namespace Laravel\Passport\Http\Middleware;
 
-use Closure;
 use Illuminate\Auth\AuthenticationException;
 use Laravel\Passport\Exceptions\MissingScopeException;
-use Laravel\Passport\TokenRepository;
-use League\OAuth2\Server\Exception\OAuthServerException;
-use League\OAuth2\Server\ResourceServer;
-use Symfony\Bridge\PsrHttpMessage\Factory\PsrHttpFactory;
-use Zend\Diactoros\ResponseFactory;
-use Zend\Diactoros\ServerRequestFactory;
-use Zend\Diactoros\StreamFactory;
-use Zend\Diactoros\UploadedFileFactory;
 
-class CheckClientCredentialsForAnyScope
+class CheckClientCredentialsForAnyScope extends CheckCredentials
 {
     /**
-     * The Resource Server instance.
+     * Validate token credentials.
      *
-     * @var \League\OAuth2\Server\ResourceServer
-     */
-    protected $server;
-
-    /**
-     * Token Repository.
-     *
-     * @var \Laravel\Passport\TokenRepository
-     */
-    protected $repository;
-
-    /**
-     * Create a new middleware instance.
-     *
-     * @param  \League\OAuth2\Server\ResourceServer  $server
-     * @param  \Laravel\Passport\TokenRepository  $repository
+     * @param  \Laravel\Passport\Token  $token
      * @return void
+     * @throws \Illuminate\Auth\AuthenticationException
      */
-    public function __construct(ResourceServer $server, TokenRepository $repository)
-    {
-        $this->server = $server;
-        $this->repository = $repository;
-    }
-
-    /**
-     * Handle an incoming request.
-     *
-     * @param  \Illuminate\Http\Request  $request
-     * @param  \Closure  $next
-     * @param  mixed  ...$scopes
-     * @return mixed
-     * @throws \Illuminate\Auth\AuthenticationException|\Laravel\Passport\Exceptions\MissingScopeException
-     */
-    public function handle($request, Closure $next, ...$scopes)
+    protected function validateCredentials($token)
     {
-        $psr = (new PsrHttpFactory(
-            new ServerRequestFactory,
-            new StreamFactory,
-            new UploadedFileFactory,
-            new ResponseFactory
-        ))->createRequest($request);
-
-        try {
-            $psr = $this->server->validateAuthenticatedRequest($psr);
-        } catch (OAuthServerException $e) {
+        if (! $token || $token->client->firstParty()) {
             throw new AuthenticationException;
         }
-
-        if ($this->validate($psr, $scopes)) {
-            return $next($request);
-        }
-
-        throw new MissingScopeException($scopes);
     }
 
     /**
-     * Validate the scopes and token on the incoming request.
+     * Validate token credentials.
      *
-     * @param  \Psr\Http\Message\ServerRequestInterface $psr
+     * @param  \Laravel\Passport\Token  $token
      * @param  array  $scopes
-     * @return bool
-     * @throws \Illuminate\Auth\AuthenticationException
+     * @return void
+     * @throws \Laravel\Passport\Exceptions\MissingScopeException
      */
-    protected function validate($psr, $scopes)
+    protected function validateScopes($token, $scopes)
     {
-        $token = $this->repository->find($psr->getAttribute('oauth_access_token_id'));
-
-        if (! $token || $token->client->firstParty()) {
-            throw new AuthenticationException;
-        }
-
         if (in_array('*', $token->scopes)) {
-            return true;
+            return;
         }
 
         foreach ($scopes as $scope) {
             if ($token->can($scope)) {
-                return true;
+                return;
             }
         }
 
-        return false;
+        throw new MissingScopeException($scopes);
     }
 }
diff --git a/src/Http/Middleware/CheckCredentials.php b/src/Http/Middleware/CheckCredentials.php
new file mode 100644
index 000000000..6c28b6563
--- /dev/null
+++ b/src/Http/Middleware/CheckCredentials.php
@@ -0,0 +1,109 @@
+<?php
+
+namespace Laravel\Passport\Http\Middleware;
+
+use Closure;
+use Illuminate\Auth\AuthenticationException;
+use Laravel\Passport\TokenRepository;
+use League\OAuth2\Server\Exception\OAuthServerException;
+use League\OAuth2\Server\ResourceServer;
+use Symfony\Bridge\PsrHttpMessage\Factory\PsrHttpFactory;
+use Zend\Diactoros\ResponseFactory;
+use Zend\Diactoros\ServerRequestFactory;
+use Zend\Diactoros\StreamFactory;
+use Zend\Diactoros\UploadedFileFactory;
+
+abstract class CheckCredentials
+{
+    /**
+     * The Resource Server instance.
+     *
+     * @var \League\OAuth2\Server\ResourceServer
+     */
+    protected $server;
+
+    /**
+     * Token Repository.
+     *
+     * @var \Laravel\Passport\TokenRepository
+     */
+    protected $repository;
+
+    /**
+     * Create a new middleware instance.
+     *
+     * @param  \League\OAuth2\Server\ResourceServer  $server
+     * @param  \Laravel\Passport\TokenRepository  $repository
+     * @return void
+     */
+    public function __construct(ResourceServer $server, TokenRepository $repository)
+    {
+        $this->server = $server;
+        $this->repository = $repository;
+    }
+
+    /**
+     * Handle an incoming request.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @param  \Closure  $next
+     * @param  mixed  ...$scopes
+     * @return mixed
+     * @throws \Illuminate\Auth\AuthenticationException
+     */
+    public function handle($request, Closure $next, ...$scopes)
+    {
+        $psr = (new PsrHttpFactory(
+            new ServerRequestFactory,
+            new StreamFactory,
+            new UploadedFileFactory,
+            new ResponseFactory
+        ))->createRequest($request);
+
+        try {
+            $psr = $this->server->validateAuthenticatedRequest($psr);
+        } catch (OAuthServerException $e) {
+            throw new AuthenticationException;
+        }
+
+        $this->validate($psr, $scopes);
+
+        return $next($request);
+    }
+
+    /**
+     * Validate the scopes and token on the incoming request.
+     *
+     * @param  \Psr\Http\Message\ServerRequestInterface $psr
+     * @param  array  $scopes
+     * @return void
+     * @throws \Laravel\Passport\Exceptions\MissingScopeException|\Illuminate\Auth\AuthenticationException
+     */
+    protected function validate($psr, $scopes)
+    {
+        $token = $this->repository->find($psr->getAttribute('oauth_access_token_id'));
+
+        $this->validateCredentials($token);
+
+        $this->validateScopes($token, $scopes);
+    }
+
+    /**
+     * Validate token credentials.
+     *
+     * @param  \Laravel\Passport\Token  $token
+     * @return void
+     * @throws \Illuminate\Auth\AuthenticationException
+     */
+    abstract protected function validateCredentials($token);
+
+    /**
+     * Validate token credentials.
+     *
+     * @param  \Laravel\Passport\Token  $token
+     * @param  array  $scopes
+     * @return void
+     * @throws \Laravel\Passport\Exceptions\MissingScopeException
+     */
+    abstract protected function validateScopes($token, $scopes);
+}