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<?php
 /*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <[email protected]>
 *
 * 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 <[email protected]>
 */
 class RequestMatcher implements RequestMatcherInterface
 {
 /**
 * @var string|null
 */
 private $path;
 
 /**
 * @var string|null
 */
 private $host;
 
 /**
 * @var string[]
 */
 private $methods = array();
 
 /**
 * @var string[]
 */
 private $ips = array();
 
 /**
 * @var array
 */
 private $attributes = array();
 
 /**
 * @var string[]
 */
 private $schemes = array();
 
 /**
 * @param string|null          $path
 * @param string|null          $host
 * @param string|string[]|null $methods
 * @param string|string[]|null $ips
 * @param array                $attributes
 * @param string|string[]|null $schemes
 */
 public function __construct($path = null, $host = null, $methods = null, $ips = null, array $attributes = array(), $schemes = null)
 {
 $this->matchPath($path);
 $this->matchHost($host);
 $this->matchMethod($methods);
 $this->matchIps($ips);
 $this->matchScheme($schemes);
 
 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) : array();
 }
 
 /**
 * Adds a check for the URL host name.
 *
 * @param string|null $regexp A Regexp
 */
 public function matchHost($regexp)
 {
 $this->host = $regexp;
 }
 
 /**
 * Adds a check for the URL path info.
 *
 * @param string|null $regexp A Regexp
 */
 public function matchPath($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[]|null $ips A specific IP address or a range specified using IP/netmask like 192.168.1.0/24
 */
 public function matchIps($ips)
 {
 $this->ips = null !== $ips ? (array) $ips : array();
 }
 
 /**
 * 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) : array();
 }
 
 /**
 * 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}
 */
 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 => $pattern) {
 if (!preg_match('{'.$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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