}
require_once('Auth/Yadis/Yadis.php');
+require_once(__DIR__ . '/lib/util.php');
define('LINKBACKPLUGIN_VERSION', '0.1');
function onHandleQueuedNotice($notice)
{
- if ($notice->is_local == 1) {
+ if (intval($notice->is_local) === Notice::LOCAL_PUBLIC) {
// Try to avoid actually mucking with the
// notice content
$c = $notice->content;
$this->notice = $notice;
- // Ignoring results
- common_replace_urls_callback($c,
- array($this, 'linkbackUrl'));
+
+ if(!$notice->getProfile()->
+ getPref("linkbackplugin", "disable_linkbacks")
+ ) {
+ // Ignoring results
+ common_replace_urls_callback($c,
+ array($this, 'linkbackUrl'));
+ }
+
+ if($notice->isRepeat()) {
+ $repeat = Notice::getByID($notice->repeat_of);
+ $this->linkbackUrl($repeat->getUrl());
+ } else if(!empty($notice->reply_to)) {
+ $parent = $notice->getParent();
+ $this->linkbackUrl($parent->getUrl());
+ }
+
+ $replyProfiles = Profile::multiGet('id', $notice->getReplies());
+ foreach($replyProfiles->fetchAll('profileurl') as $profileurl) {
+ $this->linkbackUrl($profileurl);
+ }
}
return true;
}
return $orig;
}
- $pb = null;
- $tb = null;
-
- if (array_key_exists('X-Pingback', $result->headers)) {
- $pb = $result->headers['X-Pingback'];
- } else if (preg_match('/<link rel="pingback" href="([^"]+)" ?\/?>/',
- $result->body,
- $match)) {
- $pb = $match[1];
- }
+ // XXX: Should handle relative-URI resolution in these detections
- if (!empty($pb)) {
- $this->pingback($result->final_url, $pb);
+ $wm = $this->getWebmention($result);
+ if(!empty($wm)) {
+ // It is the webmention receiver's job to resolve source
+ // Ref: https://github.com/converspace/webmention/issues/43
+ $this->webmention($url, $wm);
} else {
- $tb = $this->getTrackback($result->body, $result->final_url);
- if (!empty($tb)) {
- $this->trackback($result->final_url, $tb);
+ $pb = $this->getPingback($result);
+ if (!empty($pb)) {
+ // Pingback still looks for exact URL in our source, so we
+ // must send what we have
+ $this->pingback($url, $pb);
+ } else {
+ $tb = $this->getTrackback($result);
+ if (!empty($tb)) {
+ $this->trackback($result->final_url, $tb);
+ }
}
}
return $orig;
}
+ // Based on https://github.com/indieweb/mention-client-php
+ // which is licensed Apache 2.0
+ function getWebmention(Auth_Yadis_HTTPFetcher $result) {
+ if (isset($result->headers['Link'])) {
+ // XXX: the fetcher only gives back one of each header, so this may fail on multiple Link headers
+ if(preg_match('~<((?:https?://)?[^>]+)>; rel="webmention"~', $result->headers['Link'], $match)) {
+ return $match[1];
+ } elseif(preg_match('~<((?:https?://)?[^>]+)>; rel="http://webmention.org/?"~', $result->headers['Link'], $match)) {
+ return $match[1];
+ }
+ }
+
+ // FIXME: Do proper DOM traversal
+ if(preg_match('/<(?:link|a)[ ]+href="([^"]+)"[ ]+rel="[^" ]* ?webmention ?[^" ]*"[ ]*\/?>/i', $result->body, $match)
+ || preg_match('/<(?:link|a)[ ]+rel="[^" ]* ?webmention ?[^" ]*"[ ]+href="([^"]+)"[ ]*\/?>/i', $result->body, $match)) {
+ return $match[1];
+ } elseif(preg_match('/<(?:link|a)[ ]+href="([^"]+)"[ ]+rel="http:\/\/webmention\.org\/?"[ ]*\/?>/i', $result->body, $match)
+ || preg_match('/<(?:link|a)[ ]+rel="http:\/\/webmention\.org\/?"[ ]+href="([^"]+)"[ ]*\/?>/i', $result->body, $match)) {
+ return $match[1];
+ }
+ }
+
+ function webmention($url, $endpoint) {
+ $source = $this->notice->getUrl();
+
+ $payload = array(
+ 'source' => $source,
+ 'target' => $url
+ );
+
+ $request = HTTPClient::start();
+ try {
+ $response = $request->post($endpoint,
+ array(
+ 'Content-type: application/x-www-form-urlencoded',
+ 'Accept: application/json'
+ ),
+ $payload
+ );
+
+ if(!in_array($response->getStatus(), array(200,202))) {
+ common_log(LOG_WARNING,
+ "Webmention request failed for '$url' ($endpoint)");
+ }
+ } catch (HTTP_Request2_Exception $e) {
+ common_log(LOG_WARNING,
+ "Webmention request failed for '$url' ($endpoint)");
+ }
+ }
+
+ function getPingback(Auth_Yadis_HTTPFetcher $result) {
+ if (array_key_exists('X-Pingback', $result->headers)) {
+ return $result->headers['X-Pingback'];
+ } else if(preg_match('/<(?:link|a)[ ]+href="([^"]+)"[ ]+rel="[^" ]* ?pingback ?[^" ]*"[ ]*\/?>/i', $result->body, $match)
+ || preg_match('/<(?:link|a)[ ]+rel="[^" ]* ?pingback ?[^" ]*"[ ]+href="([^"]+)"[ ]*\/?>/i', $result->body, $match)) {
+ return $match[1];
+ }
+ }
+
function pingback($url, $endpoint)
{
- $args = array($this->notice->uri, $url);
+ $args = array($this->notice->getUrl(), $url);
if (!extension_loaded('xmlrpc')) {
if (!dl('xmlrpc.so')) {
$request = HTTPClient::start();
try {
+ $request->setBody(xmlrpc_encode_request('pingback.ping', $args));
$response = $request->post($endpoint,
array('Content-Type: text/xml'),
- xmlrpc_encode_request('pingback.ping', $args));
+ false);
$response = xmlrpc_decode($response->getBody());
if (xmlrpc_is_fault($response)) {
common_log(LOG_WARNING,
// Largely cadged from trackback_cls.php by
// Ran Aroussi <ran@blogish.org>, GPL2 or any later version
// http://phptrackback.sourceforge.net/
- function getTrackback($text, $url)
+ function getTrackback(Auth_Yadis_HTTPFetcher $result)
{
+ $text = $result->body;
+ $url = $result->final_url;
+
if (preg_match_all('/(<rdf:RDF.*?<\/rdf:RDF>)/sm', $text, $match, PREG_SET_ORDER)) {
for ($i = 0; $i < count($match); $i++) {
if (preg_match('|dc:identifier="' . preg_quote($url) . '"|ms', $match[$i][1])) {
}
}
+
+ public function onRouterInitialized(URLMapper $m)
+ {
+ $m->connect('main/linkback/webmention', array('action' => 'webmention'));
+ $m->connect('main/linkback/pingback', array('action' => 'pingback'));
+ }
+
+ public function onStartShowHTML($action)
+ {
+ header('Link: <' . common_local_url('webmention') . '>; rel="webmention"', false);
+ header('X-Pingback: ' . common_local_url('pingback'));
+ }
+
public function version()
{
return LINKBACKPLUGIN_VERSION;
'or <a href="http://www.movabletype.org/docs/mttrackback.html">Trackback</a> protocols.'));
return true;
}
+
+ public function onStartInitializeRouter(URLMapper $m)
+ {
+ $m->connect('settings/linkback', array('action' => 'linkbacksettings'));
+ return true;
+ }
+
+ function onEndAccountSettingsNav(Action $action)
+ {
+ $action_name = $action->trimmed('action');
+
+ $action->menuItem(common_local_url('linkbacksettings'),
+ // TRANS: OpenID plugin menu item on user settings page.
+ _m('MENU', 'Send Linkbacks'),
+ // TRANS: OpenID plugin tooltip for user settings menu item.
+ _m('Opt-out of sending linkbacks.'),
+ $action_name === 'linkbacksettings');
+ return true;
+ }
+
+ function onStartNoticeSourceLink($notice, &$name, &$url, &$title)
+ {
+ // If we don't handle this, keep the event handler going
+ if (!in_array($notice->source, array('linkback'))) {
+ return true;
+ }
+
+ try {
+ $url = $notice->getUrl();
+ // If getUrl() throws exception, $url is never set
+
+ $bits = parse_url($url);
+ $domain = $bits['host'];
+ if (substr($domain, 0, 4) == 'www.') {
+ $name = substr($domain, 4);
+ } else {
+ $name = $domain;
+ }
+
+ // TRANS: Title. %s is a domain name.
+ $title = sprintf(_m('Sent from %s via Linkback'), $domain);
+
+ // Abort event handler, we have a name and URL!
+ return false;
+ } catch (InvalidUrlException $e) {
+ // This just means we don't have the notice source data
+ return true;
+ }
+ }
}
projects / quix0rs-gnu-social.git / blobdiff