/**
* Send a single Pingback
* @param string $source_uri The URI source of the ping (here)
* @param string $target_uri The URI destination of the ping (there, the site linked to in the content)
* @param Post $post The post object that is initiating the ping, used to track the pings that were sent
* @todo If receive error code of already pinged, add to the successful.
*/
public function send_pingback( $source_uri, $target_uri, $post = NULL )
{
// RemoteRequest makes it easier to retrieve the headers.
try {
$rr = new RemoteRequest( $target_uri );
$rr->execute();
if ( ! $rr->executed() ) {
return false;
}
}
catch ( Exception $e ) {
// log the pingback error
EventLog::log( _t( 'Unable to retrieve target, can\'t detect pingback endpoint. (Source: %1$s | Target: %2$s)', array( $source_uri, $target_uri ) ), 'err', 'Pingback' );
return false;
}
$headers = $rr->get_response_headers();
$body = $rr->get_response_body();
// Find a Pingback endpoint.
if ( isset( $headers['X-Pingback'] ) ) {
$pingback_endpoint = $headers['X-Pingback'];
}
elseif ( preg_match( '/<link rel="pingback" href="([^"]+)" ?\/?'.'>/is', $body, $matches ) ) {
$pingback_endpoint = $matches[1];
}
else {
// No Pingback endpoint found.
return false;
}
try {
$response = XMLRPCClient::open( $pingback_endpoint )->pingback->ping( $source_uri, $target_uri );
}
catch ( Exception $e ) {
EventLog::log( _t( 'Invalid Pingback endpoint - %1$s (Source: %2$s | Target: %3$s)', array( $pingback_endpoint, $source_uri, $target_uri ) ), 'err', 'Pingback' );
return false;
}
if ( isset( $response->faultString ) ) {
EventLog::log( _t( 'Pingback error: %1$s - %2$s (Source: %3$s | Target: %4$s)', array( $response->faultCode, $response->faultString, $source_uri, $target_uri ) ), 'err', 'Pingback' );
return false;
}
else {
// The pingback has been registered and is stored as a successful pingback.
if ( is_object( $post ) ) {
if ( isset( $post->info->pingbacks_successful ) ) {
$pingbacks_successful = $post->info->pingbacks_successful;
$pingbacks_successful[]= $target_uri;
$post->info->pingbacks_successful = $pingbacks_successful;
}
else {
$post->info->pingbacks_successful = array( $target_uri );
}
$post->info->commit();
}
return true;
}
}
/**
* Send a single Pingback
* @param string $source_uri The URI source of the ping (here)
* @param string $target_uri The URI destination of the ping (there, the site linked to in the content)
* @param Post $post The post object that is initiating the ping, used to track the pings that were sent
* @todo If receive error code of already pinged, add to the successful.
*/
public function send_pingback($source_uri, $target_uri, $post = NULL)
{
// RemoteRequest makes it easier to retrieve the headers.
$rr = new RemoteRequest($target_uri);
$rr->execute();
if (!$rr->executed()) {
return false;
}
$headers = $rr->get_response_headers();
$body = $rr->get_response_body();
// Find a Pingback endpoint.
if (preg_match('/^X-Pingback: (\\S*)/im', $headers, $matches)) {
$pingback_endpoint = $matches[1];
} elseif (preg_match('/<link rel="pingback" href="([^"]+)" ?\\/?' . '>/is', $body, $matches)) {
$pingback_endpoint = $matches[1];
} else {
// No Pingback endpoint found.
return false;
}
try {
$response = XMLRPCClient::open($pingback_endpoint)->pingback->ping($source_uri, $target_uri);
} catch (Exception $e) {
EventLog::log('Invalid Pingback endpoint - ' . $pingback_endpoint . ' (Source: ' . $source_uri . ' | Target: ' . $target_uri . ')', 'info', 'Pingback');
return false;
}
if (isset($response->faultString)) {
EventLog::log($response->faultCode . ' - ' . $response->faultString . ' (Source: ' . $source_uri . ' | Target: ' . $target_uri . ')', 'info', 'Pingback');
return false;
} else {
// The pingback has been registered and is stored as a successful pingback.
if (is_object($post)) {
if (isset($post->info->pingbacks_successful)) {
$pingbacks_successful = $post->info->pingbacks_successful;
$pingbacks_successful[] = $target_uri;
$post->info->pingbacks_successful = $pingbacks_successful;
} else {
$post->info->pingbacks_successful = array($target_uri);
}
$post->info->commit();
}
return true;
}
}
