1 files changed, 196 insertions, 0 deletions
diff --git a/symfony/http-foundation/RequestMatcher.php b/symfony/http-foundation/RequestMatcher.php
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+++ b/symfony/http-foundation/RequestMatcher.php
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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);
+    }
+}