72 lines
1.9 KiB
PHP
72 lines
1.9 KiB
PHP
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<?php
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namespace Lewisdale\Webmentions;
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use DOMDocument;
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use Symfony\Component\DomCrawler\Crawler;
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use Symfony\Component\HttpClient\HttpClient;
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use Symfony\Contracts\HttpClient\HttpClientInterface;
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class Webmention {
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private readonly HttpClientInterface $client;
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function __construct()
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{
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$this->client = HttpClient::create();
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}
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public function sendForPage(string $source) : void {
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// $urls = $this->getUrls($source);
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// foreach($urls as $target) {
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// $this->sendWebmention($source, $target);
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// }
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$this->sendWebmention($source, "https://webmention.rocks/test/1");
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}
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private function getUrls(string $url) : array {
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$page = file_get_contents($url);
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$doc = new Crawler($page);
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$urls = [];
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foreach ($doc->filter('.h-entry a') as $anchor) {
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$target_url = $anchor->attributes->getNamedItem('href')->textContent;
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if ($target_url !== null && strlen($target_url)) {
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$urls[] = $target_url;
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}
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}
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return $urls;
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}
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private function sendWebmention(string $source, string $target) {
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// 1. Endpoint discovery
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// 1.1 Parse page
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// 1.2 Look for rel="webmention"
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$endpoint = $this->getWebmentionEndpoint($target);
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echo ($endpoint ?? "no :(") . "<br />";
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// 2. Send webmention to endpoint
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}
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private function getWebmentionEndpoint(string $url) : string | null {
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$response = $this->client->request('GET', $url);
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// echo "<pre>";
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// var_dump($response->getInfo());
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// echo "</pre>";
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return EndpointParser::parse($response);
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// $doc = new Crawler($page);
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// $links = $doc->filter('link[rel="webmention"]');
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// if ($links->count()) {
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// return $links->first()->attr('href');
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// } else {
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// return null;
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// }
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}
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}
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?>
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