Merge branch '2.7' into 2.8

* 2.7:
  [Security] Fixed auth provider authenticate() cannot return void
  declare argument type
  streamed response should return $this
  content can be a resource

src/Symfony/Component/HttpFoundation/AcceptHeader.php

@@ -153,7 +153,7 @@ class AcceptHeader
     private function sort()
     {
         if (!$this->sorted) {
-            uasort($this->items, function ($a, $b) {
+            uasort($this->items, function (AcceptHeaderItem $a, AcceptHeaderItem $b) {
                 $qA = $a->getQuality();
                 $qB = $b->getQuality();
 

src/Symfony/Component/HttpFoundation/Request.php

@@ -130,7 +130,7 @@ class Request
     public $headers;
 
     /**
-     * @var string
+     * @var string|resource
      */
     protected $content;
 

src/Symfony/Component/HttpFoundation/StreamedResponse.php

@@ -83,12 +83,12 @@ class StreamedResponse extends Response
     public function sendHeaders()
     {
         if ($this->headersSent) {
-            return;
+            return $this;
         }
 
         $this->headersSent = true;
 
-        parent::sendHeaders();
+        return parent::sendHeaders();
     }
 
     /**
@@ -99,7 +99,7 @@ class StreamedResponse extends Response
     public function sendContent()
     {
         if ($this->streamed) {
-            return;
+            return $this;
         }
 
         $this->streamed = true;
@@ -109,6 +109,8 @@ class StreamedResponse extends Response
         }
 
         call_user_func($this->callback);
+
+        return $this;
     }
 
     /**

src/Symfony/Component/HttpFoundation/Tests/StreamedResponseTest.php

@@ -121,4 +121,15 @@ class StreamedResponseTest extends TestCase
         $this->assertInstanceOf('Symfony\Component\HttpFoundation\StreamedResponse', $response);
         $this->assertEquals(204, $response->getStatusCode());
     }
+
+    public function testReturnThis()
+    {
+        $response = new StreamedResponse(function () {});
+        $this->assertInstanceOf('Symfony\Component\HttpFoundation\StreamedResponse', $response->sendContent());
+        $this->assertInstanceOf('Symfony\Component\HttpFoundation\StreamedResponse', $response->sendContent());
+
+        $response = new StreamedResponse(function () {});
+        $this->assertInstanceOf('Symfony\Component\HttpFoundation\StreamedResponse', $response->sendHeaders());
+        $this->assertInstanceOf('Symfony\Component\HttpFoundation\StreamedResponse', $response->sendHeaders());
+    }
 }

src/Symfony/Component/Security/Core/Authentication/Provider/AnonymousAuthenticationProvider.php

@@ -12,6 +12,7 @@
 namespace Symfony\Component\Security\Core\Authentication\Provider;
 
 use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
+use Symfony\Component\Security\Core\Exception\AuthenticationException;
 use Symfony\Component\Security\Core\Exception\BadCredentialsException;
 use Symfony\Component\Security\Core\Authentication\Token\AnonymousToken;
 
@@ -44,7 +45,7 @@ class AnonymousAuthenticationProvider implements AuthenticationProviderInterface
     public function authenticate(TokenInterface $token)
     {
         if (!$this->supports($token)) {
-            return;
+            throw new AuthenticationException('The token is not supported by this authentication provider.');
         }
 
         if ($this->secret !== $token->getSecret()) {

src/Symfony/Component/Security/Core/Authentication/Provider/PreAuthenticatedAuthenticationProvider.php

@@ -13,6 +13,7 @@ namespace Symfony\Component\Security\Core\Authentication\Provider;
 
 use Symfony\Component\Security\Core\User\UserProviderInterface;
 use Symfony\Component\Security\Core\User\UserCheckerInterface;
+use Symfony\Component\Security\Core\Exception\AuthenticationException;
 use Symfony\Component\Security\Core\Exception\BadCredentialsException;
 use Symfony\Component\Security\Core\Authentication\Token\PreAuthenticatedToken;
 use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
@@ -51,7 +52,7 @@ class PreAuthenticatedAuthenticationProvider implements AuthenticationProviderIn
     public function authenticate(TokenInterface $token)
     {
         if (!$this->supports($token)) {
-            return;
+            throw new AuthenticationException('The token is not supported by this authentication provider.');
         }
 
         if (!$user = $token->getUser()) {

src/Symfony/Component/Security/Core/Authentication/Provider/RememberMeAuthenticationProvider.php

@@ -14,6 +14,7 @@ namespace Symfony\Component\Security\Core\Authentication\Provider;
 use Symfony\Component\Security\Core\User\UserCheckerInterface;
 use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
 use Symfony\Component\Security\Core\Authentication\Token\RememberMeToken;
+use Symfony\Component\Security\Core\Exception\AuthenticationException;
 use Symfony\Component\Security\Core\Exception\BadCredentialsException;
 
 class RememberMeAuthenticationProvider implements AuthenticationProviderInterface
@@ -40,7 +41,7 @@ class RememberMeAuthenticationProvider implements AuthenticationProviderInterfac
     public function authenticate(TokenInterface $token)
     {
         if (!$this->supports($token)) {
-            return;
+            throw new AuthenticationException('The token is not supported by this authentication provider.');
         }
 
         if ($this->secret !== $token->getSecret()) {

src/Symfony/Component/Security/Core/Authentication/Provider/UserAuthenticationProvider.php

@@ -56,7 +56,7 @@ abstract class UserAuthenticationProvider implements AuthenticationProviderInter
     public function authenticate(TokenInterface $token)
     {
         if (!$this->supports($token)) {
-            return;
+            throw new AuthenticationException('The token is not supported by this authentication provider.');
         }
 
         $username = $token->getUsername();

src/Symfony/Component/Security/Core/Tests/Authentication/Provider/AnonymousAuthenticationProviderTest.php

@@ -24,11 +24,15 @@ class AnonymousAuthenticationProviderTest extends TestCase
         $this->assertFalse($provider->supports($this->getMockBuilder('Symfony\Component\Security\Core\Authentication\Token\TokenInterface')->getMock()));
     }
 
+    /**
+     * @expectedException \Symfony\Component\Security\Core\Exception\AuthenticationException
+     * @expectedExceptionMessage The token is not supported by this authentication provider.
+     */
     public function testAuthenticateWhenTokenIsNotSupported()
     {
         $provider = $this->getProvider('foo');
 
-        $this->assertNull($provider->authenticate($this->getMockBuilder('Symfony\Component\Security\Core\Authentication\Token\TokenInterface')->getMock()));
+        $provider->authenticate($this->getMockBuilder('Symfony\Component\Security\Core\Authentication\Token\TokenInterface')->getMock());
     }
 
     /**

src/Symfony/Component/Security/Core/Tests/Authentication/Provider/PreAuthenticatedAuthenticationProviderTest.php

@@ -36,11 +36,15 @@ class PreAuthenticatedAuthenticationProviderTest extends TestCase
         $this->assertFalse($provider->supports($token));
     }
 
+    /**
+     * @expectedException \Symfony\Component\Security\Core\Exception\AuthenticationException
+     * @expectedExceptionMessage The token is not supported by this authentication provider.
+     */
     public function testAuthenticateWhenTokenIsNotSupported()
     {
         $provider = $this->getProvider();
 
-        $this->assertNull($provider->authenticate($this->getMockBuilder('Symfony\Component\Security\Core\Authentication\Token\TokenInterface')->getMock()));
+        $provider->authenticate($this->getMockBuilder('Symfony\Component\Security\Core\Authentication\Token\TokenInterface')->getMock());
     }
 
     /**

src/Symfony/Component/Security/Core/Tests/Authentication/Provider/RememberMeAuthenticationProviderTest.php

@@ -26,12 +26,16 @@ class RememberMeAuthenticationProviderTest extends TestCase
         $this->assertFalse($provider->supports($this->getMockBuilder('Symfony\Component\Security\Core\Authentication\Token\TokenInterface')->getMock()));
     }
 
+    /**
+     * @expectedException \Symfony\Component\Security\Core\Exception\AuthenticationException
+     * @expectedExceptionMessage The token is not supported by this authentication provider.
+     */
     public function testAuthenticateWhenTokenIsNotSupported()
     {
         $provider = $this->getProvider();
 
         $token = $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\Token\TokenInterface')->getMock();
-        $this->assertNull($provider->authenticate($token));
+        $provider->authenticate($token);
     }
 
     /**

src/Symfony/Component/Security/Core/Tests/Authentication/Provider/UserAuthenticationProviderTest.php

@@ -29,11 +29,15 @@ class UserAuthenticationProviderTest extends TestCase
         $this->assertFalse($provider->supports($this->getMockBuilder('Symfony\Component\Security\Core\Authentication\Token\TokenInterface')->getMock()));
     }
 
+    /**
+     * @expectedException \Symfony\Component\Security\Core\Exception\AuthenticationException
+     * @expectedExceptionMessage The token is not supported by this authentication provider.
+     */
     public function testAuthenticateWhenTokenIsNotSupported()
     {
         $provider = $this->getProvider();
 
-        $this->assertNull($provider->authenticate($this->getMockBuilder('Symfony\Component\Security\Core\Authentication\Token\TokenInterface')->getMock()));
+        $provider->authenticate($this->getMockBuilder('Symfony\Component\Security\Core\Authentication\Token\TokenInterface')->getMock());
     }
 
     /**