]> git.mxchange.org Git - friendica.git/blobdiff - src/Protocol/ActivityPub/Processor.php
Merge pull request #6601 from annando/false-notifications
[friendica.git] / src / Protocol / ActivityPub / Processor.php
index e7073ab8786be716bc8245a3da02a003bb388edd..fd6d70a42a2d01fac09c0501a2da35a57a03d13b 100644 (file)
@@ -5,17 +5,19 @@
 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\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
@@ -27,7 +29,7 @@ class Processor
         *
         * @param string $body
         *
-        * @return converted body
+        * @return string converted body
         */
        private static function convertMentions($body)
        {
@@ -37,6 +39,23 @@ class Processor
                return $body;
        }
 
+       /**
+        * Replaces emojis in the body
+        *
+        * @param array $emojis
+        * @param string $body
+        *
+        * @return string with replaced emojis
+        */
+       public static function replaceEmojis($emojis, $body)
+       {
+               foreach ($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
         *
@@ -73,7 +92,7 @@ class Processor
         * @param array $attachments
         * @param array $item
         *
-        * @return item array
+        * @return array array
         */
        private static function constructAttachList($attachments, $item)
        {
@@ -101,10 +120,32 @@ class Processor
                return $item;
        }
 
+       /**
+        * Updates a message
+        *
+        * @param array $activity Activity array
+        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        */
+       public static function updateItem($activity)
+       {
+               $item = [];
+               $item['changed'] = DateTimeFormat::utcNow();
+               $item['edited'] = $activity['updated'];
+               $item['title'] = HTML::toBBCode($activity['name']);
+               $item['content-warning'] = HTML::toBBCode($activity['summary']);
+               $content = self::replaceEmojis($activity['emojis'], HTML::toBBCode($activity['content']));
+               $item['body'] = self::convertMentions($content);
+               $item['tag'] = self::constructTagList($activity['tags'], $activity['sensitive']);
+
+               Item::update($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)
        {
@@ -121,25 +162,11 @@ class Processor
                }
 
                if (($activity['id'] != $activity['reply-to-id']) && !Item::exists(['uri' => $activity['reply-to-id']])) {
-                       logger('Parent ' . $activity['reply-to-id'] . ' not found. Try to refetch it.');
+                       Logger::log('Parent ' . $activity['reply-to-id'] . ' not found. Try to refetch it.');
                        self::fetchMissingActivity($activity['reply-to-id'], $activity);
                }
 
-               self::postItem($activity, $item);
-       }
-
-       /**
-        * Prepare the item array for a "like"
-        *
-        * @param array  $activity Activity array
-        */
-       public static function likeItem($activity)
-       {
-               $item = [];
-               $item['verb'] = ACTIVITY_LIKE;
-               $item['parent-uri'] = $activity['object_id'];
-               $item['gravity'] = GRAVITY_ACTIVITY;
-               $item['object-type'] = ACTIVITY_OBJ_NOTE;
+               $item['diaspora_signed_text'] = defaults($activity, 'diaspora:comment', '');
 
                self::postItem($activity, $item);
        }
@@ -148,52 +175,61 @@ class Processor
         * Delete items
         *
         * @param array $activity
+        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @throws \ImagickException
         */
        public static function deleteItem($activity)
        {
                $owner = Contact::getIdForURL($activity['actor']);
 
-               logger('Deleting item ' . $activity['object_id'] . ' from ' . $owner, LOGGER_DEBUG);
+               Logger::log('Deleting item ' . $activity['object_id'] . ' from ' . $owner, Logger::DEBUG);
                Item::delete(['uri' => $activity['object_id'], 'owner-id' => $owner]);
        }
 
        /**
-        * Prepare the item array for a "dislike"
+        * Prepare the item array for an activity
         *
         * @param array  $activity Activity array
+        * @param string $verb     Activity verb
+        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @throws \ImagickException
         */
-       public static function dislikeItem($activity)
+       public static function createActivity($activity, $verb)
        {
                $item = [];
-               $item['verb'] = ACTIVITY_DISLIKE;
+               $item['verb'] = $verb;
                $item['parent-uri'] = $activity['object_id'];
                $item['gravity'] = GRAVITY_ACTIVITY;
                $item['object-type'] = ACTIVITY_OBJ_NOTE;
 
+               $item['diaspora_signed_text'] = defaults($activity, 'diaspora:like', '');
+
                self::postItem($activity, $item);
        }
 
        /**
         * Create an event
         *
-        * @param array  $activity Activity array
+        * @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);
@@ -202,21 +238,23 @@ class Processor
                }
 
                $event_id = Event::store($event);
-               logger('Event '.$event_id.' was stored', LOGGER_DEBUG);
+               Logger::log('Event '.$event_id.' was stored', Logger::DEBUG);
        }
 
        /**
         * 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('Parent ' . $item['parent-uri'] . ' not found, message will be discarded.', LOGGER_DEBUG);
+                       Logger::log('Parent ' . $item['parent-uri'] . ' not found, message will be discarded.', Logger::DEBUG);
                        return;
                }
 
@@ -229,18 +267,32 @@ class Processor
                        $item['owner-link'] = $activity['actor'];
                        $item['owner-id'] = Contact::getIdForURL($activity['actor'], 0, true);
                } else {
-                       logger('Ignoring actor because of thread completion.', LOGGER_DEBUG);
+                       Logger::log('Ignoring actor because of thread completion.', Logger::DEBUG);
                        $item['owner-link'] = $item['author-link'];
                        $item['owner-id'] = $item['author-id'];
                }
 
                $item['uri'] = $activity['id'];
+
+               if (($item['parent-uri'] != $item['uri']) && ($item['gravity'] == GRAVITY_COMMENT)) {
+                       $item_private = !in_array(0, $activity['item_receiver']);
+                       $parent = Item::selectFirst(['private'], ['uri' => $item['parent-uri']]);
+                       if (!DBA::isResult($parent)) {
+                               return;
+                       }
+                       if ($item_private && !$parent['private']) {
+                               Logger::log('Item ' . $item['uri'] . ' is private but the parent ' . $item['parent-uri'] . ' is not. So we drop it.');
+                               return;
+                       }
+               }
+
                $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']));
+               $content = self::replaceEmojis($activity['emojis'], HTML::toBBCode($activity['content']));
+               $item['body'] = self::convertMentions($content);
 
                if (($activity['object_type'] == 'as:Video') && !empty($activity['alternate-url'])) {
                        $item['body'] .= "\n[video]" . $activity['alternate-url'] . '[/video]';
@@ -255,7 +307,6 @@ class Processor
                $item['tag'] = self::constructTagList($activity['tags'], $activity['sensitive']);
                $item['app'] = $activity['generator'];
                $item['plink'] = defaults($activity, 'alternate-url', $item['uri']);
-               $item['diaspora_signed_text'] = defaults($activity, 'diaspora:comment', '');
 
                $item = self::constructAttachList($activity['attachments'], $item);
 
@@ -276,7 +327,16 @@ class Processor
                        }
 
                        $item_id = Item::insert($item);
-                       logger('Storing for user ' . $item['uid'] . ': ' . $item_id);
+                       Logger::log('Storing for user ' . $item['uid'] . ': ' . $item_id);
+               }
+
+               if (!$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'] . ' to ' . $item['author-link'], Logger::DEBUG);
+                               ActivityPub\Transmitter::sendFollowObject($item['uri'], $item['author-link']);
+                       }
                }
        }
 
@@ -285,6 +345,7 @@ class Processor
         *
         * @param $url
         * @param $child
+        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
         */
        private static function fetchMissingActivity($url, $child)
        {
@@ -292,9 +353,16 @@ class Processor
                        return;
                }
 
-               $object = ActivityPub::fetchContent($url);
+               $uid = ActivityPub\Receiver::getFirstUserFromReceivers($child['receiver']);
+
+               $object = ActivityPub::fetchContent($url, $uid);
                if (empty($object)) {
-                       logger('Activity ' . $url . ' was not fetchable, aborting.');
+                       Logger::log('Activity ' . $url . ' was not fetchable, aborting.');
+                       return;
+               }
+
+               if (empty($object['id'])) {
+                       Logger::log('Activity ' . $url . ' has got not id, aborting. ' . json_encode($object));
                        return;
                }
 
@@ -314,13 +382,15 @@ class Processor
                $ldactivity['thread-completion'] = true;
 
                ActivityPub\Receiver::processActivity($ldactivity);
-               logger('Activity ' . $url . ' had been fetched and processed.');
+               Logger::log('Activity ' . $url . ' had been fetched and processed.');
        }
 
        /**
         * perform a "follow" request
         *
         * @param array $activity
+        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @throws \ImagickException
         */
        public static function followUser($activity)
        {
@@ -334,6 +404,7 @@ class Processor
                $cid = Contact::getIdForURL($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;
@@ -351,14 +422,18 @@ class Processor
                        return;
                }
 
-               DBA::update('contact', ['hub-verify' => $activity['id']], ['id' => $cid]);
-               logger('Follow user ' . $uid . ' from contact ' . $cid . ' with id ' . $activity['id']);
+               if (empty($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)
        {
@@ -366,7 +441,7 @@ class Processor
                        return;
                }
 
-               logger('Updating profile for ' . $activity['object_id'], LOGGER_DEBUG);
+               Logger::log('Updating profile for ' . $activity['object_id'], Logger::DEBUG);
                APContact::getByURL($activity['object_id'], true);
        }
 
@@ -374,32 +449,35 @@ class Processor
         * Delete the given profile
         *
         * @param array $activity
+        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
         */
        public static function deletePerson($activity)
        {
                if (empty($activity['object_id']) || empty($activity['actor'])) {
-                       logger('Empty object id or actor.', LOGGER_DEBUG);
+                       Logger::log('Empty object id or actor.', Logger::DEBUG);
                        return;
                }
 
                if ($activity['object_id'] != $activity['actor']) {
-                       logger('Object id does not match actor.', LOGGER_DEBUG);
+                       Logger::log('Object id does not match actor.', Logger::DEBUG);
                        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($contact['id']);
                }
                DBA::close($contacts);
 
-               logger('Deleted contact ' . $activity['object_id'], LOGGER_DEBUG);
+               Logger::log('Deleted contact ' . $activity['object_id'], Logger::DEBUG);
        }
 
        /**
         * Accept a follow request
         *
         * @param array $activity
+        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @throws \ImagickException
         */
        public static function acceptFollowUser($activity)
        {
@@ -408,11 +486,9 @@ class Processor
                        return;
                }
 
-               $owner = User::getOwnerDataById($uid);
-
                $cid = Contact::getIdForURL($activity['actor'], $uid);
                if (empty($cid)) {
-                       logger('No contact found for ' . $activity['actor'], LOGGER_DEBUG);
+                       Logger::log('No contact found for ' . $activity['actor'], Logger::DEBUG);
                        return;
                }
 
@@ -427,13 +503,15 @@ class Processor
 
                $condition = ['id' => $cid];
                DBA::update('contact', $fields, $condition);
-               logger('Accept contact request from contact ' . $cid . ' for user ' . $uid, LOGGER_DEBUG);
+               Logger::log('Accept contact request from contact ' . $cid . ' for user ' . $uid, Logger::DEBUG);
        }
 
        /**
         * Reject a follow request
         *
         * @param array $activity
+        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @throws \ImagickException
         */
        public static function rejectFollowUser($activity)
        {
@@ -442,11 +520,9 @@ class Processor
                        return;
                }
 
-               $owner = User::getOwnerDataById($uid);
-
                $cid = Contact::getIdForURL($activity['actor'], $uid);
                if (empty($cid)) {
-                       logger('No contact found for ' . $activity['actor'], LOGGER_DEBUG);
+                       Logger::log('No contact found for ' . $activity['actor'], Logger::DEBUG);
                        return;
                }
 
@@ -454,9 +530,9 @@ class Processor
 
                if (DBA::exists('contact', ['id' => $cid, 'rel' => Contact::SHARING, 'pending' => true])) {
                        Contact::remove($cid);
-                       logger('Rejected contact request from contact ' . $cid . ' for user ' . $uid . ' - contact had been removed.', LOGGER_DEBUG);
+                       Logger::log('Rejected contact request from contact ' . $cid . ' for user ' . $uid . ' - contact had been removed.', Logger::DEBUG);
                } else {
-                       logger('Rejected contact request from contact ' . $cid . ' for user ' . $uid . '.', LOGGER_DEBUG);
+                       Logger::log('Rejected contact request from contact ' . $cid . ' for user ' . $uid . '.', Logger::DEBUG);
                }
        }
 
@@ -464,6 +540,8 @@ class Processor
         * Undo activity like "like" or "dislike"
         *
         * @param array $activity
+        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @throws \ImagickException
         */
        public static function undoActivity($activity)
        {
@@ -487,6 +565,8 @@ class Processor
         * Activity to remove a follower
         *
         * @param array $activity
+        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @throws \ImagickException
         */
        public static function undoFollowUser($activity)
        {
@@ -499,7 +579,7 @@ class Processor
 
                $cid = Contact::getIdForURL($activity['actor'], $uid);
                if (empty($cid)) {
-                       logger('No contact found for ' . $activity['actor'], LOGGER_DEBUG);
+                       Logger::log('No contact found for ' . $activity['actor'], Logger::DEBUG);
                        return;
                }
 
@@ -511,13 +591,14 @@ class Processor
                }
 
                Contact::removeFollower($owner, $contact);
-               logger('Undo following request from contact ' . $cid . ' for user ' . $uid, LOGGER_DEBUG);
+               Logger::log('Undo following request from contact ' . $cid . ' for user ' . $uid, Logger::DEBUG);
        }
 
        /**
         * Switches a contact to AP if needed
         *
         * @param integer $cid Contact ID
+        * @throws \Exception
         */
        private static function switchContact($cid)
        {
@@ -526,7 +607,7 @@ class Processor
                        return;
                }
 
-               logger('Change existing contact ' . $cid . ' from ' . $contact['network'] . ' to ActivityPub.');
+               Logger::log('Change existing contact ' . $cid . ' from ' . $contact['network'] . ' to ActivityPub.');
                Contact::updateFromProbe($cid, Protocol::ACTIVITYPUB);
        }
 }