[13.x] Determine if the client handles the specified grant

src/Bridge/Client.php

@@ -21,12 +21,21 @@ public function __construct(
         string $name,
         array $redirectUri,
         bool $isConfidential = false,
-        public ?string $provider = null
+        public ?string $provider = null,
+        public array $grantTypes = [],
     ) {
         $this->setIdentifier($identifier);
 
         $this->name = $name;
         $this->isConfidential = $isConfidential;
         $this->redirectUri = $redirectUri;
     }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function supportsGrantType(string $grantType): bool
+    {
+        return in_array($grantType, $this->grantTypes);
+    }
 }

src/Bridge/ClientRepository.php

@@ -34,32 +34,9 @@ public function getClientEntity(string $clientIdentifier): ?ClientEntityInterfac
      */
     public function validateClient(string $clientIdentifier, ?string $clientSecret, ?string $grantType): bool
     {
-        // First, we will verify that the client exists and is authorized to create personal
-        // access tokens. Generally personal access tokens are only generated by the user
-        // from the main interface. We'll only let certain clients generate the tokens.
         $record = $this->clients->findActive($clientIdentifier);
 
-        if (! $record || ! $this->handlesGrant($record, $grantType)) {
-            return false;
-        }
-
-        return ! $record->confidential() || $this->verifySecret($clientSecret, $record->secret);
-    }
-
-    /**
-     * Determine if the given client can handle the given grant type.
-     */
-    protected function handlesGrant(ClientModel $record, string $grantType): bool
-    {
-        return $record->hasGrantType($grantType);
-    }
-
-    /**
-     * Verify the client secret is valid.
-     */
-    protected function verifySecret(string $clientSecret, string $storedHash): bool
-    {
-        return $this->hasher->check($clientSecret, $storedHash);
+        return $record && ! empty($clientSecret) && $this->hasher->check($clientSecret, $record->secret);
     }
 
     /**
@@ -82,7 +59,8 @@ protected function fromClientModel(ClientModel $model): ClientEntityInterface
             $model->name,
             $model->redirect_uris,
             $model->confidential(),
-            $model->provider
+            $model->provider,
+            $model->grant_types
         );
     }
 }

src/Client.php

@@ -147,6 +147,24 @@ protected function redirectUris(): Attribute
         );
     }
 
+    /**
+     * Interact with the client's grant types.
+     */
+    protected function grantTypes(): Attribute
+    {
+        return Attribute::make(
+            get: fn (?string $value): array => isset($value) ? $this->fromJson($value) : array_keys(array_filter([
+                'authorization_code' => ! empty($this->redirect_uris),
+                'client_credentials' => $this->confidential() && $this->firstParty(),
+                'implicit' => ! empty($this->redirect_uris),
+                'password' => $this->password_client,
+                'personal_access' => $this->personal_access_client && $this->confidential(),
+                'refresh_token' => true,
+                'urn:ietf:params:oauth:grant-type:device_code' => true,
+            ])),
+        );
+    }
+
     /**
      * Determine if the client is a "first party" client.
      */
@@ -170,17 +188,7 @@ public function skipsAuthorization(Authenticatable $user, array $scopes): bool
      */
     public function hasGrantType(string $grantType): bool
     {
-        if (isset($this->attributes['grant_types']) && is_array($this->grant_types)) {
-            return in_array($grantType, $this->grant_types);
-        }
-
-        return match ($grantType) {
-            'authorization_code' => ! $this->personal_access_client && ! $this->password_client,
-            'personal_access' => $this->personal_access_client && $this->confidential(),
-            'password' => $this->password_client,
-            'client_credentials' => $this->confidential(),
-            default => true,
-        };
+        return in_array($grantType, $this->grant_types);
     }
 
     /**

tests/Feature/AuthorizationCodeGrantTest.php

@@ -338,4 +338,67 @@ public function testPromptLogin()
         $response->assertSessionHas('promptedForLogin', true);
         $response->assertRedirectToRoute('login');
     }
+
+    public function testUnauthorizedClient()
+    {
+        $client = ClientFactory::new()->create([
+            'grant_types' => [],
+        ]);
+
+        $query = http_build_query([
+            'client_id' => $client->getKey(),
+            'redirect_uri' => $client->redirect_uris[0],
+            'response_type' => 'code',
+        ]);
+
+        $user = UserFactory::new()->create();
+        $this->actingAs($user, 'web');
+
+        $json = $this->get('/oauth/authorize?'.$query)
+            ->assertBadRequest()
+            ->assertSessionMissing(['authRequest', 'authToken'])
+            ->json();
+
+        $this->assertSame('unauthorized_client', $json['error']);
+        $this->assertSame(
+            'The authenticated client is not authorized to use this authorization grant type.',
+            $json['error_description']
+        );
+    }
+
+    public function testIssueAccessTokenWithoutRefreshToken()
+    {
+        $client = ClientFactory::new()->create([
+            'grant_types' => ['authorization_code'],
+        ]);
+
+        $query = http_build_query([
+            'client_id' => $client->getKey(),
+            'redirect_uri' => $redirect = $client->redirect_uris[0],
+            'response_type' => 'code',
+        ]);
+
+        $user = UserFactory::new()->create();
+        $this->actingAs($user, 'web');
+
+        $authToken = $this->get('/oauth/authorize?'.$query)
+            ->assertOk()
+            ->json('authToken');
+
+        $response = $this->post('/oauth/authorize', ['auth_token' => $authToken])->assertRedirect();
+        parse_str(parse_url($response->headers->get('Location'), PHP_URL_QUERY), $params);
+
+        $json = $this->post('/oauth/token', [
+            'grant_type' => 'authorization_code',
+            'client_id' => $client->getKey(),
+            'client_secret' => $client->plainSecret,
+            'redirect_uri' => $redirect,
+            'code' => $params['code'],
+        ])->assertOk()->json();
+
+        $this->assertArrayHasKey('access_token', $json);
+        $this->assertArrayNotHasKey('refresh_token', $json);
+        $this->assertSame('Bearer', $json['token_type']);
+        $this->assertArrayHasKey('expires_in', $json);
+    }
 }

tests/Feature/ClientCredentialsGrantTest.php

@@ -54,4 +54,35 @@ public function testIssueAccessToken()
         $response = $this->withToken($json['access_token'], $json['token_type'])->get('/bar');
         $response->assertForbidden();
     }
+
+    public function testPublicClient()
+    {
+        $client = ClientFactory::new()->asClientCredentials()->asPublic()->create();
+
+        $json = $this->post('/oauth/token', [
+            'grant_type' => 'client_credentials',
+            'client_id' => $client->getKey(),
+            'client_secret' => $client->plainSecret,
+        ])->assertUnauthorized()->json();
+
+        $this->assertSame('invalid_client', $json['error']);
+        $this->assertSame('Client authentication failed', $json['error_description']);
+    }
+
+    public function testUnauthorizedClient()
+    {
+        $client = ClientFactory::new()->create();
+
+        $json = $this->post('/oauth/token', [
+            'grant_type' => 'client_credentials',
+            'client_id' => $client->getKey(),
+            'client_secret' => $client->plainSecret,
+        ])->assertBadRequest()->json();
+
+        $this->assertSame('unauthorized_client', $json['error']);
+        $this->assertSame(
+            'The authenticated client is not authorized to use this authorization grant type.',
+            $json['error_description']
+        );
+    }
 }

tests/Feature/ClientTest.php

@@ -75,12 +75,19 @@ public function testGrantTypesWhenColumnDoesNotExist(): void
         $client = new Client();
         $client->exists = true;
 
-        $this->assertTrue($client->hasGrantType('foo'));
-
         $client->personal_access_client = false;
         $client->password_client = false;
 
+        $this->assertFalse($client->hasGrantType('foo'));
+        $this->assertFalse($client->hasGrantType('authorization_code'));
+        $this->assertFalse($client->hasGrantType('password'));
+        $this->assertFalse($client->hasGrantType('personal_access'));
+        $this->assertFalse($client->hasGrantType('client_credentials'));
+
+        $client->redirect = 'http://localhost';
         $this->assertTrue($client->hasGrantType('authorization_code'));
+        $this->assertTrue($client->hasGrantType('implicit'));
+        unset($client->redirect);
 
         $client->personal_access_client = false;
         $client->password_client = true;
@@ -100,11 +107,18 @@ public function testGrantTypesWhenColumnIsNull(): void
         $client = new Client(['grant_types' => null]);
         $client->exists = true;
 
-        $this->assertTrue($client->hasGrantType('foo'));
-
         $client->personal_access_client = false;
         $client->password_client = false;
+        $this->assertFalse($client->hasGrantType('foo'));
+        $this->assertFalse($client->hasGrantType('authorization_code'));
+        $this->assertFalse($client->hasGrantType('password'));
+        $this->assertFalse($client->hasGrantType('personal_access'));
+        $this->assertFalse($client->hasGrantType('client_credentials'));
+
+        $client->redirect = 'http://localhost';
         $this->assertTrue($client->hasGrantType('authorization_code'));
+        $this->assertTrue($client->hasGrantType('implicit'));
+        unset($client->redirect);
 
         $client->personal_access_client = false;
         $client->password_client = true;

tests/Feature/ImplicitGrantTest.php

@@ -319,4 +319,29 @@ public function testPromptLogin()
         $response->assertSessionHas('promptedForLogin', true);
         $response->assertRedirectToRoute('login');
     }
+
+    public function testUnauthorizedClient()
+    {
+        $client = ClientFactory::new()->create();
+
+        $query = http_build_query([
+            'client_id' => $client->getKey(),
+            'redirect_uri' => $client->redirect_uris[0],
+            'response_type' => 'token',
+        ]);
+
+        $user = UserFactory::new()->create();
+        $this->actingAs($user, 'web');
+
+        $json = $this->get('/oauth/authorize?'.$query)
+            ->assertBadRequest()
+            ->assertSessionMissing(['authRequest', 'authToken'])
+            ->json();
+
+        $this->assertSame('unauthorized_client', $json['error']);
+        $this->assertSame(
+            'The authenticated client is not authorized to use this authorization grant type.',
+            $json['error_description']
+        );
+    }
 }