merged branch fabpot/host-check (PR #6209)

This PR was merged into the 2.0 branch.

Commits
-------

0489799 [HttpFoundation] added a check for the host header value

Discussion
----------

[HttpFoundation] added a check for the host header value

alternative for #3865
This commit is contained in:
Fabien Potencier 2012-12-07 10:18:13 +01:00
commit e277258e91
2 changed files with 26 additions and 12 deletions

View File

@ -796,6 +796,8 @@ class Request
*
* @return string
*
* @throws \UnexpectedValueException when the host name is invalid
*
* @api
*/
public function getHost()
@ -803,19 +805,23 @@ class Request
if (self::$trustProxy && self::$trustedHeaders[self::HEADER_CLIENT_HOST] && $host = $this->headers->get(self::$trustedHeaders[self::HEADER_CLIENT_HOST])) {
$elements = explode(',', $host);
$host = trim($elements[count($elements) - 1]);
} else {
if (!$host = $this->headers->get('HOST')) {
if (!$host = $this->server->get('SERVER_NAME')) {
$host = $this->server->get('SERVER_ADDR', '');
}
$host = $elements[count($elements) - 1];
} elseif (!$host = $this->headers->get('HOST')) {
if (!$host = $this->server->get('SERVER_NAME')) {
$host = $this->server->get('SERVER_ADDR', '');
}
}
// Remove port number from host
$host = preg_replace('/:\d+$/', '', $host);
// Trim and remove port number from host
$host = trim(preg_replace('/:\d+$/', '', $host));
return trim($host);
// as the host can come from the user (HTTP_HOST and depending on the configuration, SERVER_NAME too can come from the user)
// check that it does not contain forbidden characters (see RFC 952 and RFC 2181)
if ($host && !preg_match('/^\[?(?:[a-zA-Z0-9-:\]_]+\.?)+$/', $host)) {
throw new \UnexpectedValueException('Invalid Host');
}
return $host;
}
/**

View File

@ -412,9 +412,6 @@ class RequestTest extends \PHPUnit_Framework_TestCase
$this->assertEquals('foo=1&foo=2', $request->getQueryString(), '->getQueryString() allows repeated parameters');
}
/**
* @covers Symfony\Component\HttpFoundation\Request::getHost
*/
public function testGetHost()
{
$request = new Request();
@ -435,6 +432,17 @@ class RequestTest extends \PHPUnit_Framework_TestCase
$request->initialize(array(), array(), array(), array(), array(), array('SERVER_NAME' => 'www.exemple.com', 'HTTP_HOST' => 'www.host.com'));
$this->assertEquals('www.host.com', $request->getHost(), '->getHost() value from Host header has priority over SERVER_NAME ');
}
/**
* @expectedException RuntimeException
*/
public function testGetHostWithFakeHttpHostValue()
{
$request = new Request();
$request->initialize(array(), array(), array(), array(), array(), array('HTTP_HOST' => 'www.host.com?query=string'));
$request->getHost();
}
/**