* * 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 */ 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); } }