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<?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>
*/
class RequestMatcher implements RequestMatcherInterface
{
/**
* @var string|null
*/
private $path;
/**
* @var string|null
*/
private $host;
/**
* @var int|null
*/
private $port;
/**
* @var string[]
*/
private $methods = [];
/**
* @var string[]
*/
private $ips = [];
/**
* @var array
*/
private $attributes = [];
/**
* @var string[]
*/
private $schemes = [];
/**
* @param string|string[]|null $methods
* @param string|string[]|null $ips
* @param string|string[]|null $schemes
*/
public function __construct(string $path = null, string $host = null, $methods = null, $ips = null, array $attributes = [], $schemes = null, int $port = null)
{
$this->matchPath($path);
$this->matchHost($host);
$this->matchMethod($methods);
$this->matchIps($ips);
$this->matchScheme($schemes);
$this->matchPort($port);
foreach ($attributes as $k => $v) {
$this->matchAttribute($k, $v);
}
}
/**
* Adds a check for the HTTP scheme.
*
* @param string|string[]|null $scheme An HTTP scheme or an array of HTTP schemes
*/
public function matchScheme($scheme)
{
$this->schemes = null !== $scheme ? array_map('strtolower', (array) $scheme) : [];
}
/**
* Adds a check for the URL host name.
*/
public function matchHost(?string $regexp)
{
$this->host = $regexp;
}
/**
* Adds a check for the the URL port.
*
* @param int|null $port The port number to connect to
*/
public function matchPort(?int $port)
{
$this->port = $port;
}
/**
* Adds a check for the URL path info.
*/
public function matchPath(?string $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(string $ip)
{
$this->matchIps($ip);
}
/**
* Adds a check for the client IP.
*
* @param string|string[]|null $ips A specific IP address or a range specified using IP/netmask like 192.168.1.0/24
*/
public function matchIps($ips)
{
$ips = null !== $ips ? (array) $ips : [];
$this->ips = array_reduce($ips, static function (array $ips, string $ip) {
return array_merge($ips, preg_split('/\s*,\s*/', $ip));
}, []);
}
/**
* 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 = null !== $method ? array_map('strtoupper', (array) $method) : [];
}
/**
* Adds a check for request attribute.
*/
public function matchAttribute(string $key, string $regexp)
{
$this->attributes[$key] = $regexp;
}
/**
* {@inheritdoc}
*/
public function matches(Request $request)
{
if ($this->schemes && !\in_array($request->getScheme(), $this->schemes, true)) {
return false;
}
if ($this->methods && !\in_array($request->getMethod(), $this->methods, true)) {
return false;
}
foreach ($this->attributes as $key => $pattern) {
$requestAttribute = $request->attributes->get($key);
if (!\is_string($requestAttribute)) {
return false;
}
if (!preg_match('{'.$pattern.'}', $requestAttribute)) {
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 (null !== $this->port && 0 < $this->port && $request->getPort() !== $this->port) {
return false;
}
if (IpUtils::checkIp($request->getClientIp(), $this->ips)) {
return true;
}
// Note to future implementors: add additional checks above the
// foreach above or else your check might not be run!
return 0 === \count($this->ips);
}
}