31 lines
906 B
PHP
31 lines
906 B
PHP
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<?php declare(strict_types=1);
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namespace Lewisdale\Webmentions;
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use Symfony\Contracts\HttpClient\ResponseInterface;
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class EndpointParser {
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public static function parse(ResponseInterface $response) : string | null
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{
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$headers = $response->getHeaders();
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$endpoint = null;
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if (isset($headers["link"])) {
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$link = $headers["link"][0];
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if (preg_match('/rel=("?)webmention("?)/', $link)) {
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$matches = [];
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preg_match('/\<(..*?)\>/', $link, $matches);
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if (count($matches) > 1) {
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$endpoint = $matches[1];
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}
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}
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}
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if ($endpoint && !str_contains($endpoint, "https://")) {
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$res = parse_url($response->getInfo('url'));
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$endpoint = $res["scheme"] . "://" . $res["host"] . $endpoint;
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}
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return $endpoint;
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}
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}
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