public static function send($id, $client = false, $http = false)
{
$webmention = ORM::for_table('webmentions')->where('id', $id)->find_one();
if (!$webmention) {
echo 'Webmention ' . $id . ' was not found' . "\n";
return;
}
if (!$client) {
$client = new MentionClient();
}
if (!$http) {
$http = new HTTP();
}
self::$http = $http;
// Discover the webmention or pingback endpoint
$endpoint = $client->discoverWebmentionEndpoint($webmention->target);
if (!$endpoint) {
// If no webmention endpoint found, try to send a pingback
$pingbackEndpoint = $client->discoverPingbackEndpoint($webmention->target);
// If no pingback endpoint was found, we can't do anything else
if (!$pingbackEndpoint) {
return self::updateStatus($webmention, null, 'not_supported');
}
$webmention->pingback_endpoint = $pingbackEndpoint;
$webmention->save();
$success = $client->sendPingbackToEndpoint($pingbackEndpoint, $webmention->source, $webmention->target);
return self::updateStatus($webmention, null, $success ? 'accepted' : 'error');
}
// There is a webmention endpoint, send the webmention now
$webmention->webmention_endpoint = $endpoint;
$webmention->save();
$response = $client->sendWebmentionToEndpoint($endpoint, $webmention->source, $webmention->target);
if (in_array($response['code'], [200, 201, 202])) {
$status = 'accepted';
$webmention->complete = $response['code'] == 200 ? 1 : 0;
// Check if the endpoint returned a status URL
if (array_key_exists('Location', $response['headers'])) {
$webmention->webmention_status_url = \Mf2\resolveUrl($endpoint, $response['headers']['Location']);
// TODO: queue a job to poll the endpoint for updates and deliver to the callback URL
} else {
// No status URL was returned, so we can't follow up with this later. Mark as complete.
$webmention->complete = 1;
}
} else {
$webmention->complete = 1;
$status = 'error';
}
$webmention->save();
return self::updateStatus($webmention, $response['code'], $status, $response['body']);
}
protected function _findWebmentionEndpointInHeader($link_header, $targetURL = false)
{
$endpoint = false;
if (preg_match('~<((?:https?://)?[^>]+)>; rel="?(?:https?://webmention.org/?|webmention)"?~', $link_header, $match)) {
$endpoint = $match[1];
}
if ($endpoint && $targetURL && function_exists('\\Mf2\\resolveUrl')) {
// Resolve the URL if it's relative
$endpoint = \Mf2\resolveUrl($targetURL, $endpoint);
}
return $endpoint;
}