exit(1);
}
-require_once('Auth/Yadis/Yadis.php');
+require_once(__DIR__ . '/lib/util.php');
-define('LINKBACKPLUGIN_VERSION', '0.1');
+define('LINKBACKPLUGIN_VERSION', '0.2');
/**
* Plugin to do linkbacks for notices containing URLs
parent::__construct();
}
- function onHandleQueuedNotice($notice)
+ function onHandleQueuedNotice(Notice $notice)
{
- if ($notice->is_local == 1) {
- // Try to avoid actually mucking with the
- // notice content
- $c = $notice->content;
- $this->notice = $notice;
+ if (!$notice->isLocal() || !$notice->isPublic()) {
+ return true;
+ }
+
+ // Try to avoid actually mucking with the
+ // notice content
+ $c = $notice->content;
+ $this->notice = $notice;
+
+ if (!$notice->getProfile()->getPref('linkbackplugin', 'disable_linkbacks')) {
// Ignoring results
- common_replace_urls_callback($c,
- array($this, 'linkbackUrl'));
+ common_replace_urls_callback($c, array($this, 'linkbackUrl'));
+ }
- if($notice->isRepeat()) {
+ try {
+ if ($notice->isRepeat()) {
$repeat = Notice::getByID($notice->repeat_of);
$this->linkbackUrl($repeat->getUrl());
- } else if(!empty($notice->reply_to)) {
+ } elseif (!empty($notice->reply_to)) {
$parent = $notice->getParent();
$this->linkbackUrl($parent->getUrl());
}
+ } catch (InvalidUrlException $e) {
+ // can't send linkback to notice if we don't have a remote HTTP(S) URL
+ // but we can still ping the attention-receivers below
+ } catch (NoParentNoticeException $e) {
+ // can't send linkback to non-existing parent URL
+ return true;
}
+
+ // doubling up getReplies and getAttentionProfileIDs because we're not entirely migrated yet
+ $replyProfiles = Profile::multiGet('id', array_unique(array_merge($notice->getReplies(), $notice->getAttentionProfileIDs())));
+ foreach ($replyProfiles->fetchAll('profileurl') as $profileurl) {
+ if (common_valid_http_url($profileurl)) {
+ $this->linkbackUrl($profileurl);
+ }
+ }
+
return true;
}
+ function unparse_url($parsed_url)
+ {
+ $scheme = isset($parsed_url['scheme']) ? $parsed_url['scheme'] . '://' : '';
+ $host = isset($parsed_url['host']) ? $parsed_url['host'] : '';
+ $port = isset($parsed_url['port']) ? ':' . $parsed_url['port'] : '';
+ $user = isset($parsed_url['user']) ? $parsed_url['user'] : '';
+ $pass = isset($parsed_url['pass']) ? ':' . $parsed_url['pass'] : '';
+ $pass = ($user || $pass) ? "$pass@" : '';
+ $path = isset($parsed_url['path']) ? $parsed_url['path'] : '';
+ $query = isset($parsed_url['query']) ? '?' . $parsed_url['query'] : '';
+ $fragment = isset($parsed_url['fragment']) ? '#' . $parsed_url['fragment'] : '';
+ return "$scheme$user$pass$host$port$path$query$fragment";
+ }
+
function linkbackUrl($url)
{
common_log(LOG_DEBUG,"Attempting linkback for " . $url);
$orig = $url;
$url = htmlspecialchars_decode($orig);
- $scheme = parse_url($url, PHP_URL_SCHEME);
- if (!in_array($scheme, array('http', 'https'))) {
+ $base = parse_url($url);
+ if (!in_array($base['scheme'], array('http', 'https'))) {
return $orig;
}
// XXX: Do a HEAD first to save some time/bandwidth
+ try {
+ $httpclient = new HTTPClient();
+ $response = $httpclient->get($url, ["User-Agent: {$this->userAgent()}",
+ "Accept: application/html+xml,text/html"]);
- $fetcher = Auth_Yadis_Yadis::getHTTPFetcher();
-
- $result = $fetcher->get($url,
- array('User-Agent: ' . $this->userAgent(),
- 'Accept: application/html+xml,text/html'));
-
- if (!in_array($result->status, array('200', '206'))) {
+ if (!in_array($response->getStatus(), array(200, 206))) {
+ throw new Exception('Invalid response code for GET request');
+ }
+ } catch (Exception $e) {
+ // something didn't work out in our GET request
return $orig;
}
- $pb = $this->getPingback($result);
- if (!empty($pb)) {
- $this->pingback($result->final_url, $pb);
- // XXX: Should handle relative-URI resolution in these detections
-
+ $wm = $this->getWebmention($response);
+ if(!is_null($wm)) {
+ $wm = parse_url($wm);
+ if(!$wm) $wm = array();
+ if(!$wm['host']) $wm['host'] = $base['host'];
+ if(!$wm['scheme']) $wm['scheme'] = $base['scheme'];
+ if(!$wm['path']) $wm['path'] = $base['path'];
+
+ // It is the webmention receiver's job to resolve source
+ // Ref: https://github.com/converspace/webmention/issues/43
+ $this->webmention($url, $this->unparse_url($wm));
} else {
- $tb = $this->getTrackback($result);
- if (!empty($tb)) {
- $this->trackback($result->final_url, $tb);
+ $pb = $this->getPingback($response);
+ 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 = $this->getTrackback($response);
+ if (!empty($tb)) {
+ $this->trackback($response->getEffectiveUrl(), $tb);
+ }
}
}
return $orig;
}
- function getPingback($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)) {
+ // Based on https://github.com/indieweb/mention-client-php
+ // which is licensed Apache 2.0
+ function getWebmention(HTTP_Request2_Response $response) {
+ $link = $response->getHeader('Link');
+ if (!is_null($link)) {
+ // XXX: the fetcher gives back a comma-separated string of all Link headers, I hope the parsing works reliably
+ if (preg_match('~<([^>]+)>; rel="?(?:[^" ]* )*(?:http://webmention.org/|webmention)(?: [^" ]*)*"?~', $link, $match)) {
+ return $match[1];
+ }
+ }
+
+ // FIXME: Do proper DOM traversal
+ // Currently fails https://webmention.rocks/test/13, https://webmention.rocks/test/17
+ if(preg_match('~<(?:link|a)[ ]+href="([^"]*)"[ ]+rel="(?:[^" ]* )*(?:http://webmention.org/|webmention)(?: [^" ]*)*"[ ]*/?>~i', $response->getBody(), $match)
+ || preg_match('~<(?:link|a)[ ]+rel="(?:[^" ]* )*(?:http://webmention.org/|webmention)(?: [^" ]*)*"[ ]+href="([^"]*)"[ ]*/?>~i', $response->getBody(), $match)) {
+ return $match[1];
+ }
+
+ return NULL;
+ }
+
+ function webmention($url, $endpoint) {
+ $source = $this->notice->getUrl();
+
+ common_log(LOG_DEBUG,"Attempting webmention to $endpoint for $url from $source");
+
+ $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(200,201,202))) {
+ common_log(LOG_WARNING,
+ "Webmention request failed for '$url' ($endpoint)");
+ }
+ } catch (Exception $e) {
+ common_log(LOG_WARNING, "Webmention request failed for '{$url}' ({$endpoint}): {$e->getMessage()}");
+ }
+ }
+
+ function getPingback(HTTP_Request2_Response $response) {
+ if ($response->getHeader('X-Pingback')) {
+ return $response->getHeader('X-Pingback');
+ } elseif (preg_match('/<(?:link|a)[ ]+href="([^"]+)"[ ]+rel="[^" ]* ?pingback ?[^" ]*"[ ]*\/?>/i', $response->getBody(), $match)
+ || preg_match('/<(?:link|a)[ ]+rel="[^" ]* ?pingback ?[^" ]*"[ ]+href="([^"]+)"[ ]*\/?>/i', $response->getBody(), $match)) {
return $match[1];
}
}
$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($response)) {
common_log(LOG_WARNING,
"Pingback success for '$url' ($endpoint): ".
"'$response'");
}
- } catch (HTTP_Request2_Exception $e) {
- common_log(LOG_WARNING,
- "Pingback request failed for '$url' ($endpoint)");
+ } catch (Exception $e) {
+ common_log(LOG_WARNING, "Pingback request failed for '{$url}' ({$endpoint}): {$e->getMessage()}");
}
}
// Largely cadged from trackback_cls.php by
// Ran Aroussi <ran@blogish.org>, GPL2 or any later version
// http://phptrackback.sourceforge.net/
- function getTrackback($result)
+ function getTrackback(HTTP_Request2_Response $response)
{
- $text = $result->body;
- $url = $result->final_url;
+ $text = $response->getBody();
+ $url = $response->getEffectiveUrl();
if (preg_match_all('/(<rdf:RDF.*?<\/rdf:RDF>)/sm', $text, $match, PREG_SET_ORDER)) {
for ($i = 0; $i < count($match); $i++) {
// TRANS: Trackback title.
// TRANS: %1$s is a profile nickname, %2$s is a timestamp.
$args = array('title' => sprintf(_m('%1$s\'s status on %2$s'),
- $profile->nickname,
- common_exact_date($this->notice->created)),
- 'excerpt' => $this->notice->content,
+ $profile->getNickname(),
+ common_exact_date($this->notice->getCreated())),
+ 'excerpt' => $this->notice->getContent(),
'url' => $this->notice->getUrl(),
- 'blog_name' => $profile->nickname);
+ 'blog_name' => $profile->getNickname());
- $fetcher = Auth_Yadis_Yadis::getHTTPFetcher();
+ try {
+ $httpclient = new HTTPClient(null, HTTPClient::METHOD_POST);
+ $response = $httpclient->post($endpoint, ["User-Agent: {$this->userAgent()}"], $args);
+ if ($response->getStatus() === 200) {
+ common_log(LOG_INFO, "Trackback success for '$url' ($endpoint): "._ve($response->getBody()));
+ } else {
+ common_log(LOG_WARNING, "Trackback error for '$url' ($endpoint): "._ve($response->getBody()));
+ }
+ } catch (Exception $e) {
+ common_log(LOG_INFO, "Trackback error for '$url' ($endpoint): "._ve($e->getMessage()));
+ }
+ }
- $result = $fetcher->post($endpoint,
- http_build_query($args),
- array('User-Agent: ' . $this->userAgent()));
- if ($result->status != '200') {
- common_log(LOG_WARNING,
- "Trackback error for '$url' ($endpoint): ".
- "$result->body");
- } else {
- common_log(LOG_INFO,
- "Trackback success for '$url' ($endpoint): ".
- "'$result->body'");
- }
+ 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()
$versions[] = array('name' => 'Linkback',
'version' => LINKBACKPLUGIN_VERSION,
'author' => 'Evan Prodromou',
- 'homepage' => 'http://status.net/wiki/Plugin:Linkback',
+ 'homepage' => 'https://git.gnu.io/gnu/gnu-social/tree/master/plugins/Linkback',
'rawdescription' =>
// TRANS: Plugin description.
_m('Notify blog authors when their posts have been linked in '.
'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_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