namespace Friendica\Protocol\ActivityPub;
use Friendica\Database\DBA;
+use Friendica\Content\Text\HTML;
+use Friendica\Core\Config;
use Friendica\Core\Logger;
use Friendica\Core\Protocol;
-use Friendica\Model\Conversation;
use Friendica\Model\Contact;
use Friendica\Model\APContact;
use Friendica\Model\Item;
use Friendica\Model\Event;
+use Friendica\Model\Term;
use Friendica\Model\User;
-use Friendica\Content\Text\HTML;
-use Friendica\Util\JsonLD;
-use Friendica\Core\Config;
use Friendica\Protocol\ActivityPub;
use Friendica\Util\DateTimeFormat;
+use Friendica\Util\JsonLD;
+use Friendica\Util\Strings;
/**
* ActivityPub Processor Protocol class
*
* @param string $body
*
- * @return converted body
+ * @return string converted body
*/
private static function convertMentions($body)
{
return $body;
}
+ /**
+ * Replaces emojis in the body
+ *
+ * @param array $emojis
+ * @param string $body
+ *
+ * @return string with replaced emojis
+ */
+ public static function replaceEmojis($body, array $emojis)
+ {
+ foreach ($emojis as $emoji) {
+ $replace = '[class=emoji mastodon][img=' . $emoji['href'] . ']' . $emoji['name'] . '[/img][/class]';
+ $body = str_replace($emoji['name'], $replace, $body);
+ }
+ return $body;
+ }
+
/**
* Constructs a string with tags for a given tag array
*
- * @param array $tags
+ * @param array $tags
* @param boolean $sensitive
- *
+ * @param array $implicit_mentions List of profile URLs to skip
* @return string with tags
*/
- private static function constructTagList($tags, $sensitive)
+ private static function constructTagString(array $tags, $sensitive)
{
if (empty($tags)) {
return '';
* @param array $attachments
* @param array $item
*
- * @return item array
+ * @return array array
*/
private static function constructAttachList($attachments, $item)
{
/**
* Updates a message
*
- * @param array $activity Activity array
+ * @param array $activity Activity array
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
public static function updateItem($activity)
{
- $item = [];
+ $item = Item::selectFirst(['uri', 'thr-parent', 'gravity'], ['uri' => $activity['id']]);
+ if (!DBA::isResult($item)) {
+ Logger::warning('Unknown item', ['uri' => $activity['id']]);
+ return;
+ }
+
$item['changed'] = DateTimeFormat::utcNow();
$item['edited'] = $activity['updated'];
- $item['title'] = HTML::toBBCode($activity['name']);
- $item['content-warning'] = HTML::toBBCode($activity['summary']);
- $item['body'] = self::convertMentions(HTML::toBBCode($activity['content']));
- $item['tag'] = self::constructTagList($activity['tags'], $activity['sensitive']);
+
+ $item = self::processContent($activity, $item);
+ if (empty($item)) {
+ return;
+ }
Item::update($item, ['uri' => $activity['id']]);
}
/**
* Prepares data for a message
*
- * @param array $activity Activity array
+ * @param array $activity Activity array
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+ * @throws \ImagickException
*/
public static function createItem($activity)
{
$item = [];
$item['verb'] = ACTIVITY_POST;
- $item['parent-uri'] = $activity['reply-to-id'];
+ $item['thr-parent'] = $activity['reply-to-id'];
if ($activity['reply-to-id'] == $activity['id']) {
$item['gravity'] = GRAVITY_PARENT;
* Delete items
*
* @param array $activity
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+ * @throws \ImagickException
*/
public static function deleteItem($activity)
{
*
* @param array $activity Activity array
* @param string $verb Activity verb
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+ * @throws \ImagickException
*/
public static function createActivity($activity, $verb)
{
$item = [];
$item['verb'] = $verb;
- $item['parent-uri'] = $activity['object_id'];
+ $item['thr-parent'] = $activity['object_id'];
$item['gravity'] = GRAVITY_ACTIVITY;
$item['object-type'] = ACTIVITY_OBJ_NOTE;
*
* @param array $activity Activity array
* @param array $item
+ * @throws \Exception
*/
public static function createEvent($activity, $item)
{
- $event['summary'] = $activity['name'];
- $event['desc'] = $activity['content'];
- $event['start'] = $activity['start-time'];
- $event['finish'] = $activity['end-time'];
+ $event['summary'] = HTML::toBBCode($activity['name']);
+ $event['desc'] = HTML::toBBCode($activity['content']);
+ $event['start'] = $activity['start-time'];
+ $event['finish'] = $activity['end-time'];
$event['nofinish'] = empty($event['finish']);
$event['location'] = $activity['location'];
- $event['adjust'] = true;
- $event['cid'] = $item['contact-id'];
- $event['uid'] = $item['uid'];
- $event['uri'] = $item['uri'];
- $event['edited'] = $item['edited'];
- $event['private'] = $item['private'];
- $event['guid'] = $item['guid'];
- $event['plink'] = $item['plink'];
+ $event['adjust'] = true;
+ $event['cid'] = $item['contact-id'];
+ $event['uid'] = $item['uid'];
+ $event['uri'] = $item['uri'];
+ $event['edited'] = $item['edited'];
+ $event['private'] = $item['private'];
+ $event['guid'] = $item['guid'];
+ $event['plink'] = $item['plink'];
$condition = ['uri' => $item['uri'], 'uid' => $item['uid']];
$ev = DBA::selectFirst('event', ['id'], $condition);
Logger::log('Event '.$event_id.' was stored', Logger::DEBUG);
}
+ /**
+ * Process the content
+ *
+ * @param array $activity Activity array
+ * @param array $item
+ * @return array|bool Returns the item array or false if there was an unexpected occurrence
+ * @throws \Exception
+ */
+ private static function processContent($activity, $item)
+ {
+ $item['title'] = HTML::toBBCode($activity['name']);
+
+ if (!empty($activity['source'])) {
+ $item['body'] = $activity['source'];
+ } else {
+ $content = HTML::toBBCode($activity['content']);
+ $content = self::replaceEmojis($content, $activity['emojis']);
+ $content = self::convertMentions($content);
+
+ if (($item['thr-parent'] != $item['uri']) && ($item['gravity'] == GRAVITY_COMMENT)) {
+ $item_private = !in_array(0, $activity['item_receiver']);
+ $parent = Item::selectFirst(['id', 'private', 'author-link', 'alias'], ['uri' => $item['thr-parent']]);
+ if (!DBA::isResult($parent)) {
+ Logger::warning('Unknown parent item.', ['uri' => $item['thr-parent']]);
+ return false;
+ }
+ if ($item_private && !$parent['private']) {
+ Logger::warning('Item is private but the parent is not. Dropping.', ['item-uri' => $item['uri'], 'thr-parent' => $item['thr-parent']]);
+ return false;
+ }
+
+ $potential_implicit_mentions = self::getImplicitMentionList($parent);
+ $content = self::removeImplicitMentionsFromBody($content, $potential_implicit_mentions);
+ $activity['tags'] = self::convertImplicitMentionsInTags($activity['tags'], $potential_implicit_mentions);
+ }
+ $item['content-warning'] = HTML::toBBCode($activity['summary']);
+ $item['body'] = $content;
+
+ if (($activity['object_type'] == 'as:Video') && !empty($activity['alternate-url'])) {
+ $item['body'] .= "\n[video]" . $activity['alternate-url'] . '[/video]';
+ }
+ }
+
+ $item['tag'] = self::constructTagString($activity['tags'], $activity['sensitive']);
+
+ $item['location'] = $activity['location'];
+
+ if (!empty($item['latitude']) && !empty($item['longitude'])) {
+ $item['coord'] = $item['latitude'] . ' ' . $item['longitude'];
+ }
+
+ $item['app'] = $activity['generator'];
+
+ return $item;
+ }
+
/**
* Creates an item post
*
- * @param array $activity Activity data
- * @param array $item item array
+ * @param array $activity Activity data
+ * @param array $item item array
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+ * @throws \ImagickException
*/
private static function postItem($activity, $item)
{
/// @todo What to do with $activity['context']?
- if (($item['gravity'] != GRAVITY_PARENT) && !Item::exists(['uri' => $item['parent-uri']])) {
- Logger::log('Parent ' . $item['parent-uri'] . ' not found, message will be discarded.', Logger::DEBUG);
+ if (($item['gravity'] != GRAVITY_PARENT) && !Item::exists(['uri' => $item['thr-parent']])) {
+ Logger::info('Parent not found, message will be discarded.', ['thr-parent' => $item['thr-parent']]);
return;
}
$item['owner-link'] = $activity['actor'];
$item['owner-id'] = Contact::getIdForURL($activity['actor'], 0, true);
} else {
- Logger::log('Ignoring actor because of thread completion.', Logger::DEBUG);
+ Logger::info('Ignoring actor because of thread completion.');
$item['owner-link'] = $item['author-link'];
$item['owner-id'] = $item['author-id'];
}
$item['uri'] = $activity['id'];
+
$item['created'] = $activity['published'];
$item['edited'] = $activity['updated'];
$item['guid'] = $activity['diaspora:guid'];
- $item['title'] = HTML::toBBCode($activity['name']);
- $item['content-warning'] = HTML::toBBCode($activity['summary']);
- $item['body'] = self::convertMentions(HTML::toBBCode($activity['content']));
-
- if (($activity['object_type'] == 'as:Video') && !empty($activity['alternate-url'])) {
- $item['body'] .= "\n[video]" . $activity['alternate-url'] . '[/video]';
- }
- $item['location'] = $activity['location'];
-
- if (!empty($item['latitude']) && !empty($item['longitude'])) {
- $item['coord'] = $item['latitude'] . ' ' . $item['longitude'];
+ $item = self::processContent($activity, $item);
+ if (empty($item)) {
+ return;
}
- $item['tag'] = self::constructTagList($activity['tags'], $activity['sensitive']);
- $item['app'] = $activity['generator'];
$item['plink'] = defaults($activity, 'alternate-url', $item['uri']);
$item = self::constructAttachList($activity['attachments'], $item);
- if (!empty($activity['source'])) {
- $item['body'] = $activity['source'];
- }
+ $stored = false;
foreach ($activity['receiver'] as $receiver) {
$item['uid'] = $receiver;
}
$item_id = Item::insert($item);
- Logger::log('Storing for user ' . $item['uid'] . ': ' . $item_id);
+ if ($item_id) {
+ Logger::info('Item insertion successful', ['user' => $item['uid'], 'item_id' => $item_id]);
+ } else {
+ Logger::notice('Item insertion aborted', ['user' => $item['uid']]);
+ }
+
+ if ($item['uid'] == 0) {
+ $stored = $item_id;
+ }
+ }
+
+ // Store send a follow request for every reshare - but only when the item had been stored
+ if ($stored && !$item['private'] && ($item['gravity'] == GRAVITY_PARENT) && ($item['author-link'] != $item['owner-link'])) {
+ $author = APContact::getByURL($item['owner-link'], false);
+ // We send automatic follow requests for reshared messages. (We don't need though for forum posts)
+ if ($author['type'] != 'Group') {
+ Logger::log('Send follow request for ' . $item['uri'] . ' (' . $stored . ') to ' . $item['author-link'], Logger::DEBUG);
+ ActivityPub\Transmitter::sendFollowObject($item['uri'], $item['author-link']);
+ }
}
}
*
* @param $url
* @param $child
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
private static function fetchMissingActivity($url, $child)
{
return;
}
+ if (empty($object['id'])) {
+ Logger::log('Activity ' . $url . ' has got not id, aborting. ' . json_encode($object));
+ return;
+ }
+
$activity = [];
$activity['@context'] = $object['@context'];
unset($object['@context']);
* perform a "follow" request
*
* @param array $activity
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+ * @throws \ImagickException
*/
public static function followUser($activity)
{
$cid = Contact::getIdForURL($activity['actor'], $uid);
if (!empty($cid)) {
self::switchContact($cid);
+ DBA::update('contact', ['hub-verify' => $activity['id']], ['id' => $cid]);
$contact = DBA::selectFirst('contact', [], ['id' => $cid, 'network' => Protocol::NATIVE_SUPPORT]);
} else {
$contact = false;
return;
}
- DBA::update('contact', ['hub-verify' => $activity['id']], ['id' => $cid]);
+ if (empty($contact)) {
+ DBA::update('contact', ['hub-verify' => $activity['id']], ['id' => $cid]);
+ }
+
Logger::log('Follow user ' . $uid . ' from contact ' . $cid . ' with id ' . $activity['id']);
}
* Update the given profile
*
* @param array $activity
+ * @throws \Exception
*/
public static function updatePerson($activity)
{
* Delete the given profile
*
* @param array $activity
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
public static function deletePerson($activity)
{
return;
}
- $contacts = DBA::select('contact', ['id'], ['nurl' => normalise_link($activity['object_id'])]);
+ $contacts = DBA::select('contact', ['id'], ['nurl' => Strings::normaliseLink($activity['object_id'])]);
while ($contact = DBA::fetch($contacts)) {
Contact::remove($contact['id']);
}
* Accept a follow request
*
* @param array $activity
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+ * @throws \ImagickException
*/
public static function acceptFollowUser($activity)
{
return;
}
- $owner = User::getOwnerDataById($uid);
-
$cid = Contact::getIdForURL($activity['actor'], $uid);
if (empty($cid)) {
Logger::log('No contact found for ' . $activity['actor'], Logger::DEBUG);
* Reject a follow request
*
* @param array $activity
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+ * @throws \ImagickException
*/
public static function rejectFollowUser($activity)
{
return;
}
- $owner = User::getOwnerDataById($uid);
-
$cid = Contact::getIdForURL($activity['actor'], $uid);
if (empty($cid)) {
Logger::log('No contact found for ' . $activity['actor'], Logger::DEBUG);
* Undo activity like "like" or "dislike"
*
* @param array $activity
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+ * @throws \ImagickException
*/
public static function undoActivity($activity)
{
* Activity to remove a follower
*
* @param array $activity
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+ * @throws \ImagickException
*/
public static function undoFollowUser($activity)
{
* Switches a contact to AP if needed
*
* @param integer $cid Contact ID
+ * @throws \Exception
*/
private static function switchContact($cid)
{
Logger::log('Change existing contact ' . $cid . ' from ' . $contact['network'] . ' to ActivityPub.');
Contact::updateFromProbe($cid, Protocol::ACTIVITYPUB);
}
+
+ /**
+ * Collects implicit mentions like:
+ * - the author of the parent item
+ * - all the mentioned conversants in the parent item
+ *
+ * @param array $parent Item array with at least ['id', 'author-link', 'alias']
+ * @return array
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+ */
+ private static function getImplicitMentionList(array $parent)
+ {
+ if (Config::get('system', 'disable_implicit_mentions')) {
+ return [];
+ }
+
+ $parent_terms = Term::tagArrayFromItemId($parent['id'], [Term::MENTION, Term::IMPLICIT_MENTION]);
+
+ $parent_author = Contact::getDetailsByURL($parent['author-link'], 0);
+
+ $implicit_mentions = [];
+ if (empty($parent_author)) {
+ Logger::notice('Author public contact unknown.', ['author-link' => $parent['author-link'], 'item-id' => $parent['id']]);
+ } else {
+ $implicit_mentions[] = $parent_author['url'];
+ $implicit_mentions[] = $parent_author['nurl'];
+ $implicit_mentions[] = $parent_author['alias'];
+ }
+
+ if (!empty($parent['alias'])) {
+ $implicit_mentions[] = $parent['alias'];
+ }
+
+ foreach ($parent_terms as $term) {
+ $contact = Contact::getDetailsByURL($term['url'], 0);
+ if (!empty($contact)) {
+ $implicit_mentions[] = $contact['url'];
+ $implicit_mentions[] = $contact['nurl'];
+ $implicit_mentions[] = $contact['alias'];
+ }
+ }
+
+ return $implicit_mentions;
+ }
+
+ /**
+ * Strips from the body prepended implicit mentions
+ *
+ * @param string $body
+ * @param array $potential_mentions
+ * @return string
+ */
+ private static function removeImplicitMentionsFromBody($body, array $potential_mentions)
+ {
+ if (Config::get('system', 'disable_implicit_mentions')) {
+ return $body;
+ }
+
+ $kept_mentions = [];
+
+ // Extract one prepended mention at a time from the body
+ while(preg_match('#^(@\[url=([^\]]+)].*?\[\/url]\s)(.*)#is', $body, $matches)) {
+ if (!in_array($matches[2], $potential_mentions) ) {
+ $kept_mentions[] = $matches[1];
+ }
+
+ $body = $matches[3];
+ }
+
+ // Re-appending the kept mentions to the body after extraction
+ $kept_mentions[] = $body;
+
+ return implode('', $kept_mentions);
+ }
+
+ private static function convertImplicitMentionsInTags($activity_tags, array $potential_mentions)
+ {
+ if (Config::get('system', 'disable_implicit_mentions')) {
+ return $activity_tags;
+ }
+
+ foreach ($activity_tags as $index => $tag) {
+ if (in_array($tag['href'], $potential_mentions)) {
+ $activity_tags[$index]['name'] = preg_replace(
+ '/' . preg_quote(Term::TAG_CHARACTER[Term::MENTION], '/') . '/',
+ Term::TAG_CHARACTER[Term::IMPLICIT_MENTION],
+ $activity_tags[$index]['name'],
+ 1
+ );
+ }
+ }
+
+ return $activity_tags;
+ }
}
projects / friendica.git / blobdiff