}
function linkback_get_source($source, $target) {
+ // Check if we are pinging ourselves and ignore
+ $localprefix = common_config('site', 'server') . '/' . common_config('site', 'path');
+ if(linkback_lenient_target_match($source, $localprefix)) {
+ common_debug('Ignoring self ping from ' . $source . ' to ' . $target);
+ return NULL;
+ }
+
$request = HTTPClient::start();
try {
return NULL;
}
+function linkback_is_contained_in($entry, $target) {
+ foreach ((array)$entry['properties'] as $key => $values) {
+ if(count(array_filter($values, function($x) use ($target) { return linkback_lenient_target_match($x, $target); })) > 0) {
+ return $entry['properties'];
+ }
+
+ // check included h-* formats and their links
+ foreach ($values as $obj) {
+ if(isset($obj['type']) && array_intersect(array('h-cite', 'h-entry'), $obj['type']) &&
+ isset($obj['properties']) && isset($obj['properties']['url']) &&
+ count(array_filter($obj['properties']['url'],
+ function($x) use ($target) { return linkback_lenient_target_match($x, $target); })) > 0
+ ) {
+ return $entry['properties'];
+ }
+ }
+
+ // check content for the link
+ if ($key == "content" && preg_match_all("/<a[^>]+?".preg_quote($target, "/")."[^>]*>([^>]+?)<\/a>/i", htmlspecialchars_decode($values[0]['html']), $context)) {
+ return $entry['properties'];
+ // check summary for the link
+ } elseif ($key == "summary" && preg_match_all("/<a[^>]+?".preg_quote($target, "/")."[^>]*>([^>]+?)<\/a>/i", htmlspecialchars_decode($values[0]), $context)) {
+ return $entry['properties'];
+ }
+ }
+
+ foreach((array)$entry['children'] as $mf2) {
+ if(linkback_is_contained_in($mf2, $target)) {
+ return $entry['properties'];
+ }
+ }
+
+ return null;
+}
+
// Based on https://github.com/acegiak/Semantic-Linkbacks/blob/master/semantic-linkbacks-microformats-handler.php, GPL-2.0+
function linkback_find_entry($mf2, $target) {
if(isset($mf2['items'][0]['type']) && in_array("h-feed", $mf2['items'][0]["type"]) && isset($mf2['items'][0]['children'])) {
$entries = array_filter($mf2['items'], function($x) { return isset($x['type']) && in_array('h-entry', $x['type']); });
foreach ($entries as $entry) {
- foreach ((array)$entry['properties'] as $key => $values) {
- if(count(array_filter($values, function($x) use ($target) { return linkback_lenient_target_match($x, $target); })) > 0) {
- return $entry['properties'];
- }
-
- // check included h-* formats and their links
- foreach ($values as $obj) {
- if(isset($obj['type']) && array_intersect(array('h-cite', 'h-entry'), $obj['type']) &&
- isset($obj['properties']) && isset($obj['properties']['url']) &&
- count(array_filter($obj['properties']['url'],
- function($x) use ($target) { return linkback_lenient_target_match($x, $target); })) > 0
- ) {
- return $entry['properties'];
- }
- }
-
- // check content for the link
- if ($key == "content" && preg_match_all("/<a[^>]+?".preg_quote($target, "/")."[^>]*>([^>]+?)<\/a>/i", htmlspecialchars_decode($values[0]['html']), $context)) {
- return $entry['properties'];
- // check summary for the link
- } elseif ($key == "summary" && preg_match_all("/<a[^>]+?".preg_quote($target, "/")."[^>]*>([^>]+?)<\/a>/i", htmlspecialchars_decode($values[0]), $context)) {
- return $entry['properties'];
- }
+ if($prop = linkback_is_contained_in($entry, $target)) {
+ return $prop;
}
}
}
function linkback_is_dupe($key, $url) {
- $dupe = Notice::getKV('uri', $url);
+ $dupe = Notice::getKV($key, $url);
if ($dupe instanceof Notice) {
- common_log(LOG_INFO, "Linkback: ignoring duplicate post: $url");
return $dupe;
}
// We found a match, return it immediately
if(isset($item['properties']['url']) && in_array($url, $item['properties']['url'])) {
return $item['properties'];
-
- // Let's keep all the hcards for later, to return one of them at least
- $hcards[] = $item['properties'];
}
+
+ // Let's keep all the hcards for later, to return one of them at least
+ $hcards[] = $item['properties'];
}
// No match immediately for the url we expected, but there were h-cards found
$options = array('is_local' => Notice::REMOTE,
'url' => $entry['url'][0],
- 'uri' => $source,
+ 'uri' => $entry['url'][0],
'rendered' => $rendered,
'replies' => array(),
'groups' => array(),
return true;
}
- $profile = Profile::fromUri($author['url'][0]);
+ try {
+ $profile = Profile::fromUri($author['url'][0]);
+ } catch(UnknownUriException $ex) {}
+
if(!($profile instanceof Profile)) {
$profile = Profile::getKV('profileurl', $author['url'][0]);
}
}
function linkback_save($source, $target, $response, $notice_or_user) {
- if($dupe = linkback_is_dupe('uri', $response->getEffectiveUrl())) { return $dupe->getLocalUrl(); }
- if($dupe = linkback_is_dupe('url', $response->getEffectiveUrl())) { return $dupe->getLocalUrl(); }
- if($dupe = linkback_is_dupe('uri', $source)) { return $dupe->getLocalUrl(); }
- if($dupe = linkback_is_dupe('url', $source)) { return $dupe->getLocalUrl(); }
+ $dupe = linkback_is_dupe('uri', $response->getEffectiveUrl());
+ if(!$dupe) { $dupe = linkback_is_dupe('url', $response->getEffectiveUrl()); }
+ if(!$dupe) { $dupe = linkback_is_dupe('uri', $source); }
+ if(!$dupe) { $dupe = linkback_is_dupe('url', $source); }
$mf2 = new Mf2\Parser($response->getBody(), $response->getEffectiveUrl());
$mf2 = $mf2->parse();
$entry['url'] = array($response->getEffectiveUrl());
}
- if($dupe = linkback_is_dupe('uri', $entry['url'][0])) { return $dupe->getLocalUrl(); }
- if($dupe = linkback_is_dupe('url', $entry['url'][0])) { return $dupe->getLocalUrl(); }
+ if(!$dupe) { $dupe = linkback_is_dupe('uri', $entry['url'][0]); }
+ if(!$dupe) { $dupe = linkback_is_dupe('url', $entry['url'][0]); }
$entry['type'] = linkback_entry_type($entry, $mf2, $target);
list($profile, $author) = linkback_profile($entry, $mf2, $response, $target);
list($content, $options) = linkback_notice($source, $notice_or_user, $entry, $author, $mf2);
- if($entry['type'] == 'like' || ($entry['type'] == 'reply' && $entry['rsvp'])) {
+ if($dupe) {
+ $orig = clone($dupe);
+
+ try {
+ // Ignore duplicate save error
+ try { $dupe->saveKnownReplies($options['replies']); } catch (ServerException $ex) {}
+ try { $dupe->saveKnownTags($options['tags']); } catch (ServerException $ex) {}
+ try { $dupe->saveKnownUrls($options['urls']); } catch (ServerException $ex) {}
+
+ if($options['reply_to']) { $dupe->reply_to = $options['reply_to']; }
+ if($options['repeat_of']) { $dupe->repeat_of = $options['repeat_of']; }
+ if($dupe->reply_to != $orig->reply_to || $dupe->repeat_of != $orig->repeat_of) {
+ $parent = Notice::getKV('id', $dupe->repost_of ? $dupe->repost_of : $dupe->reply_to);
+ if($parent instanceof Notice) {
+ // If we changed the reply_to or repeat_of we might live in a new conversation now
+ $dupe->conversation = $parent->conversation;
+ }
+ }
+ if($dupe->update($orig)) { $saved = $dupe; }
+ if($dupe->conversation != $orig->conversation && Conversation::noticeCount($orig->conversation) < 1) {
+ // Delete empty conversation
+ $emptyConversation = Conversation::getKV('id', $orig->conversation);
+ $emptyConversation->delete();
+ }
+ } catch (Exception $e) {
+ common_log(LOG_ERR, "Linkback update of remote message $source failed: " . $e->getMessage());
+ return false;
+ }
+ common_log(LOG_INFO, "Linkback updated remote message $source as notice id $saved->id");
+ } else if($entry['type'] == 'like' || ($entry['type'] == 'reply' && $entry['rsvp'])) {
$act = new Activity();
$act->type = ActivityObject::ACTIVITY;
$act->time = $options['created'] ? strtotime($options['created']) : time();
// notice's nickname and %3$s is the content of the favorited notice.)
$act->content = sprintf(_('%1$s favorited something by %2$s: %3$s'),
$profile->getNickname(), $notice_or_user->getProfile()->getNickname(),
- $notice_or_user->rendered ?: $notice_or_user->content);
+ $notice_or_user->getRendered());
if($entry['rsvp']) {
$act->content = $options['rendered'];
}