diff --git a/plugins/Linkback/LinkbackPlugin.php b/plugins/Linkback/LinkbackPlugin.php
index a710abd7bf..e3519dac9e 100644
--- a/plugins/Linkback/LinkbackPlugin.php
+++ b/plugins/Linkback/LinkbackPlugin.php
@@ -65,9 +65,27 @@ class LinkbackPlugin extends Plugin
// 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;
}
@@ -95,32 +113,89 @@ class LinkbackPlugin extends Plugin
return $orig;
}
- $pb = null;
- $tb = null;
+ // XXX: Should handle relative-URI resolution in these detections
- if (array_key_exists('X-Pingback', $result->headers)) {
- $pb = $result->headers['X-Pingback'];
- } else if (preg_match('//',
- $result->body,
- $match)) {
- $pb = $match[1];
- }
-
- if (!empty($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 $orig;
}
+ // Based on https://github.com/indieweb/mention-client-php
+ // which is licensed Apache 2.0
+ function getWebmention($result) {
+ // 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];
+ }
+
+ 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' ($endpoint)");
+ }
+ }
+
+ function getPingback($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')) {
@@ -131,9 +206,10 @@ class LinkbackPlugin extends Plugin
$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($response)) {
common_log(LOG_WARNING,
@@ -153,8 +229,11 @@ class LinkbackPlugin extends Plugin
// Largely cadged from trackback_cls.php by
// Ran Aroussi , GPL2 or any later version
// http://phptrackback.sourceforge.net/
- function getTrackback($text, $url)
+ function getTrackback($result)
{
+ $text = $result->body;
+ $url = $result->final_url;
+
if (preg_match_all('/()/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])) {
@@ -246,4 +325,23 @@ class LinkbackPlugin extends Plugin
'or Trackback 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;
+ }
}
diff --git a/plugins/Linkback/actions/linkbacksettings.php b/plugins/Linkback/actions/linkbacksettings.php
new file mode 100644
index 0000000000..261e2979dc
--- /dev/null
+++ b/plugins/Linkback/actions/linkbacksettings.php
@@ -0,0 +1,91 @@
+.
+ *
+ * @category Settings
+ * @package StatusNet
+ * @author Stephen Paul Weber
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ */
+
+if (!defined('GNUSOCIAL')) { exit(1); }
+
+/**
+ * Settings for Linkback
+ *
+ * Lets users opt out of sending linkbacks
+ *
+ * @category Settings
+ * @author Stephen Paul Weber
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ */
+class LinkbacksettingsAction extends SettingsAction
+{
+ /**
+ * Title of the page
+ *
+ * @return string Page title
+ */
+ function title()
+ {
+ // TRANS: Title of Linkback settings page for a user.
+ return _m('TITLE','Linkback settings');
+ }
+
+ /**
+ * Instructions for use
+ *
+ * @return string Instructions for use
+ */
+ function getInstructions()
+ {
+ // TRANS: Form instructions for Linkback settings.
+ return _m('Linkbacks inform post authors when you link to them. ' .
+ 'You can disable this feature here.');
+ }
+
+ function showContent()
+ {
+ $this->elementStart('form', array('method' => 'post',
+ 'class' => 'form_settings',
+ 'action' =>
+ common_local_url('linkbacksettings')));
+ $this->hidden('token', common_session_token());
+
+ $this->elementStart('fieldset');
+ $this->element('legend', null, _m('LEGEND','Preferences'));
+ $this->checkbox('disable_linkbacks', "Opt out of sending linkbacks for URLs you post", $this->scoped->getPref("linkbackplugin", "disable_linkbacks"));
+ // TRANS: Button text to save OpenID prefs
+ $this->submit('settings_linkback_prefs_save', _m('BUTTON','Save'), 'submit', 'save_prefs');
+ $this->elementEnd('fieldset');
+
+ $this->elementEnd('form');
+ }
+
+ /**
+ * Handle a POST request
+ *
+ * @return void
+ */
+ protected function doPost()
+ {
+ $x = $this->scoped->setPref("linkbackplugin", "disable_linkbacks", $this->boolean('disable_linkbacks'));
+
+ return _m('Linkback preferences saved.');
+ }
+}