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2023-01-02 19:56:44 +08:00
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+<?php
+
+/*
+ * This file is part of Respect/Validation.
+ *
+ * (c) Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
+ *
+ * For the full copyright and license information, please view the LICENSE file
+ * that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace Respect\Validation\Rules;
+
+use Respect\Validation\Exceptions\ComponentException;
+
+use function array_keys;
+use function is_string;
+use function mb_strtolower;
+use function preg_match;
+use function sprintf;
+
+/**
+ * Validates if the input is a video URL value.
+ *
+ * @author Danilo Correa <danilosilva87@gmail.com>
+ * @author Emmerson Siqueira <emmersonsiqueira@gmail.com>
+ * @author Henrique Moody <henriquemoody@gmail.com>
+ * @author Ricardo Gobbo <ricardo@clicknow.com.br>
+ */
+final class VideoUrl extends AbstractRule
+{
+    /**
+     * @var string|null
+     */
+    private $service;
+
+    // phpcs:disable Generic.Files.LineLength.TooLong
+    private const SERVICES = [
+        'youtube' => '@^https?://(www\.)?(?:youtube\.com/(?:[^/]+/.+/|(?:v|e(?:mbed)?)/|.*[?&]v=)|youtu\.be/)([^\"&?/]{11})@i',
+        'vimeo' => '@^https?://(www\.)?(player\.)?(vimeo\.com/)((channels/[A-z]+/)|(groups/[A-z]+/videos/)|(video/))?([0-9]+)@i',
+        'twitch' => '@^https?://(((www\.)?twitch\.tv/videos/[0-9]+)|clips\.twitch\.tv/[a-zA-Z]+)$@i',
+    ];
+    // phpcs:enable Generic.Files.LineLength.TooLong
+
+    /**
+     * Create a new instance VideoUrl.
+     *
+     * @throws ComponentException when the given service is not supported
+     */
+    public function __construct(?string $service = null)
+    {
+        if ($service !== null && !$this->isSupportedService($service)) {
+            throw new ComponentException(sprintf('"%s" is not a recognized video service.', $service));
+        }
+
+        $this->service = $service;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function validate($input): bool
+    {
+        if (!is_string($input)) {
+            return false;
+        }
+
+        if ($this->service !== null) {
+            return $this->isValid($this->service, $input);
+        }
+
+        foreach (array_keys(self::SERVICES) as $service) {
+            if (!$this->isValid($service, $input)) {
+                continue;
+            }
+
+            return true;
+        }
+
+        return false;
+    }
+
+    private function isSupportedService(string $service): bool
+    {
+        return isset(self::SERVICES[mb_strtolower($service)]);
+    }
+
+    private function isValid(string $service, string $input): bool
+    {
+        return preg_match(self::SERVICES[mb_strtolower($service)], $input) > 0;
+    }
+}