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88 lines
2.6 KiB
88 lines
2.6 KiB
<?php
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namespace Telegraph;
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use ORM, Exception;
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use IndieWeb\MentionClient;
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class Webmention {
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private static $http = false;
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private static function updateStatus($webmention, $http_code, $code, $raw=null) {
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$status = ORM::for_table('webmention_status')->create();
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$status->webmention_id = $webmention->id;
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$status->created_at = date('Y-m-d H:i:s');
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if($http_code)
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$status->http_code = $http_code;
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$status->status = $code;
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if($raw)
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$status->raw_response = $raw;
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$status->save();
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// Post to the callback URL if one is set
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if($webmention->callback) {
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return self::$http->post($webmention->callback, [
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'source' => $webmention->source,
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'target' => $webmention->target,
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'status' => $code
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]);
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}
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}
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public static function send($id, $client=false, $http=false) {
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$webmention = ORM::for_table('webmentions')->where('id', $id)->find_one();
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if(!$webmention) {
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echo 'Webmention '.$id.' was not found'."\n";
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return;
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}
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if(!$client)
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$client = new MentionClient();
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if(!$http)
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$http = new Telegraph\HTTP();
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self::$http = $http;
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// Discover the webmention or pingback endpoint
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$endpoint = $client->discoverWebmentionEndpoint($webmention->target);
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if(!$endpoint) {
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// If no webmention endpoint found, try to send a pingback
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$pingbackEndpoint = $client->discoverPingbackEndpoint($webmention->target);
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// If no pingback endpoint was found, we can't do anything else
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if(!$pingbackEndpoint) {
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return self::updateStatus($webmention, null, 'not_supported');
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}
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$webmention->pingback_endpoint = $pingbackEndpoint;
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$webmention->save();
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$success = $client->sendPingbackToEndpoint($pingbackEndpoint, $webmention->source, $webmention->target);
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return self::updateStatus($webmention, null, ($success ? 'pingback_accepted' : 'pingback_error'));
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}
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// There is a webmention endpoint, send the webmention now
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$webmention->webmention_endpoint = $endpoint;
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$webmention->save();
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$response = $client->sendWebmentionToEndpoint($endpoint, $webmention->source, $webmention->target);
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if(in_array($response['code'], [200,201,202])) {
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$status = 'webmention_accepted';
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// Check if the endpoint returned a status URL
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if(array_key_exists('Location', $response['headers'])) {
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$webmention->webmention_status_url = \Mf2\resolveUrl($endpoint, $response['headers']['Location']);
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$webmention->save();
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}
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} else {
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$status = 'webmention_error';
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}
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return self::updateStatus($webmention, $response['code'], $status, $response['body']);
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}
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}
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