<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\HttpFoundation;
/**
* RequestMatcher compares a pre-defined set of checks against a Request instance.
*
* @author Fabien Potencier <fabien@symfony.com>
*
* @api
*/
class RequestMatcher implements RequestMatcherInterface
{
/**
* @var string
*/
private $path;
/**
* @var string
*/
private $host;
/**
* @var array
*/
private $methods = array();
/**
* @var string
*/
private $ips = array();
/**
* @var array
*/
private $attributes = array();
/**
* @param string|null $path
* @param string|null $host
* @param string|string[]|null $methods
* @param string|string[]|null $ips
* @param array $attributes
*/
public function __construct($path = null, $host = null, $methods = null, $ips = null, array $attributes = array())
{
$this->matchPath($path);
$this->matchHost($host);
$this->matchMethod($methods);
$this->matchIps($ips);
foreach ($attributes as $k => $v) {
$this->matchAttribute($k, $v);
}
}
/**
* Adds a check for the URL host name.
*
* @param string $regexp A Regexp
*/
public function matchHost($regexp)
{
$this->host = $regexp;
}
/**
* Adds a check for the URL path info.
*
* @param string $regexp A Regexp
*/
public function matchPath($regexp)
{
$this->path = $regexp;
}
/**
* Adds a check for the client IP.
*
* @param string $ip A specific IP address or a range specified using IP/netmask like 192.168.1.0/24
*/
public function matchIp($ip)
{
$this->matchIps($ip);
}
/**
* Adds a check for the client IP.
*
* @param string|string[] $ips A specific IP address or a range specified using IP/netmask like 192.168.1.0/24
*/
public function matchIps($ips)
{
$this->ips = (array) $ips;
}
/**
* Adds a check for the HTTP method.
*
* @param string|string[]|null $method An HTTP method or an array of HTTP methods
*/
public function matchMethod($method)
{
$this->methods = array_map('strtoupper', (array) $method);
}
/**
* Adds a check for request attribute.
*
* @param string $key The request attribute name
* @param string $regexp A Regexp
*/
public function matchAttribute($key, $regexp)
{
$this->attributes[$key] = $regexp;
}
/**
* {@inheritdoc}
*
* @api
*/
public function matches(Request $request)
{
if ($this->methods && !in_array($request->getMethod(), $this->methods)) {
return false;
}
foreach ($this->attributes as $key => $pattern) {
if (!preg_match('{'.$pattern.'}', $request->attributes->get($key))) {
return false;
}
}
if (null !== $this->path && !preg_match('{'.$this->path.'}', rawurldecode($request->getPathInfo()))) {
return false;
}
if (null !== $this->host && !preg_match('{'.$this->host.'}i', $request->getHost())) {
return false;
}
if (IpUtils::checkIp($request->getClientIp(), $this->ips)) {
return true;
}
// Note to future implementors: add additional checks above the
// foreach above or else your check might not be run!
return count($this->ips) === 0;
}
}
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