<?php
/**
- * @file src/Protocol/ActivityPub/Receiver.php
+ * @copyright Copyright (C) 2020, Friendica
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
*/
+
namespace Friendica\Protocol\ActivityPub;
use Friendica\Database\DBA;
+use Friendica\Content\Text\HTML;
+use Friendica\Content\Text\Markdown;
use Friendica\Core\Logger;
use Friendica\Core\Protocol;
use Friendica\Model\Contact;
use Friendica\Model\APContact;
-use Friendica\Model\Conversation;
use Friendica\Model\Item;
use Friendica\Model\User;
+use Friendica\Protocol\Activity;
use Friendica\Protocol\ActivityPub;
use Friendica\Util\DateTimeFormat;
use Friendica\Util\HTTPSignature;
use Friendica\Util\Strings;
/**
- * @brief ActivityPub Receiver Protocol class
+ * ActivityPub Receiver Protocol class
*
* To-Do:
- * - Undo Announce
+ * @todo Undo Announce
*
* Check what this is meant to do:
* - Add
*/
public static function isRequest()
{
- return stristr(defaults($_SERVER, 'HTTP_ACCEPT', ''), 'application/activity+json') ||
- stristr(defaults($_SERVER, 'HTTP_ACCEPT', ''), 'application/ld+json');
+ return stristr($_SERVER['HTTP_ACCEPT'] ?? '', 'application/activity+json') ||
+ stristr($_SERVER['HTTP_ACCEPT'] ?? '', 'application/ld+json');
}
/**
$trust_source = false;
}
- self::processActivity($ldactivity, $body, $uid, $trust_source);
+ self::processActivity($ldactivity, $body, $uid, $trust_source, true);
}
/**
/**
* Prepare the object array
*
- * @param array $activity
- * @param integer $uid User ID
- * @param $trust_source
+ * @param array $activity Array with activity data
+ * @param integer $uid User ID
+ * @param boolean $push Message had been pushed to our system
+ * @param boolean $trust_source Do we trust the source?
*
* @return array with object data
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
- private static function prepareObjectData($activity, $uid, &$trust_source)
+ private static function prepareObjectData($activity, $uid, $push, &$trust_source)
{
$actor = JsonLD::fetchElement($activity, 'as:actor', '@id');
if (empty($actor)) {
Logger::log("Object data couldn't be processed", Logger::DEBUG);
return [];
}
+
$object_data['object_id'] = $object_id;
+ if ($type == 'as:Announce') {
+ $object_data['push'] = false;
+ } else {
+ $object_data['push'] = $push;
+ }
+
// Test if it is an answer to a mail
if (DBA::exists('mail', ['uri' => $object_data['reply-to-id']])) {
$object_data['directmessage'] = true;
$object_data['type'] = $type;
$object_data['actor'] = $actor;
$object_data['item_receiver'] = $receivers;
- $object_data['receiver'] = array_merge(defaults($object_data, 'receiver', []), $receivers);
+ $object_data['receiver'] = array_merge($object_data['receiver'] ?? [], $receivers);
Logger::log('Processing ' . $object_data['type'] . ' ' . $object_data['object_type'] . ' ' . $object_data['id'], Logger::DEBUG);
return 0;
}
- /**
- * Store the unprocessed data into the conversation table
- * This has to be done outside the regular function,
- * since we store everything - not only item posts.
- *
- * @param array $activity Array with activity data
- * @param string $body The raw message
- * @throws \Exception
- */
- private static function storeConversation($activity, $body)
- {
- if (empty($body) || empty($activity['id'])) {
- return;
- }
-
- $conversation = [
- 'protocol' => Conversation::PARCEL_ACTIVITYPUB,
- 'item-uri' => $activity['id'],
- 'reply-to-uri' => defaults($activity, 'reply-to-id', ''),
- 'conversation-href' => defaults($activity, 'context', ''),
- 'conversation-uri' => defaults($activity, 'conversation', ''),
- 'source' => $body,
- 'received' => DateTimeFormat::utcNow()];
-
- DBA::insert('conversation', $conversation, true);
- }
-
/**
* Processes the activity object
*
* @param string $body
* @param integer $uid User ID
* @param boolean $trust_source Do we trust the source?
+ * @param boolean $push Message had been pushed to our system
* @throws \Exception
*/
- public static function processActivity($activity, $body = '', $uid = null, $trust_source = false)
+ public static function processActivity($activity, $body = '', $uid = null, $trust_source = false, $push = false)
{
$type = JsonLD::fetchElement($activity, '@type');
if (!$type) {
}
// $trust_source is called by reference and is set to true if the content was retrieved successfully
- $object_data = self::prepareObjectData($activity, $uid, $trust_source);
+ $object_data = self::prepareObjectData($activity, $uid, $push, $trust_source);
if (empty($object_data)) {
Logger::log('No object data found', Logger::DEBUG);
return;
return;
}
- // Only store content related stuff - and no announces, since they possibly overwrite the original content
- if (in_array($object_data['object_type'], self::CONTENT_TYPES) && ($type != 'as:Announce')) {
- self::storeConversation($object_data, $body);
+ if (!empty($body) && empty($object_data['raw'])) {
+ $object_data['raw'] = $body;
}
// Internal flag for thread completion. See Processor.php
case 'as:Announce':
if (in_array($object_data['object_type'], self::CONTENT_TYPES)) {
$profile = APContact::getByURL($object_data['actor']);
- if ($profile['type'] == 'Person') {
- // Reshared posts from persons appear as summary at the bottom
- // If this isn't set, then a single reshare appears on top. This is used for groups.
- $object_data['thread-completion'] = true;
- }
+ // Reshared posts from persons appear as summary at the bottom
+ // If this isn't set, then a single reshare appears on top. This is used for groups.
+ $object_data['thread-completion'] = ($profile['type'] != 'Group');
+
ActivityPub\Processor::createItem($object_data);
// Add the bottom reshare information only for persons
- if ($profile['type'] == 'Person') {
+ if ($profile['type'] != 'Group') {
$announce_object_data = self::processObject($activity);
$announce_object_data['name'] = $type;
$announce_object_data['author'] = JsonLD::fetchElement($activity, 'as:actor', '@id');
$announce_object_data['object_id'] = $object_data['object_id'];
$announce_object_data['object_type'] = $object_data['object_type'];
+ $announce_object_data['push'] = $push;
- ActivityPub\Processor::createActivity($announce_object_data, ACTIVITY2_ANNOUNCE);
+ if (!empty($body)) {
+ $announce_object_data['raw'] = $body;
+ }
+
+ ActivityPub\Processor::createActivity($announce_object_data, Activity::ANNOUNCE);
}
}
break;
case 'as:Like':
if (in_array($object_data['object_type'], self::CONTENT_TYPES)) {
- ActivityPub\Processor::createActivity($object_data, ACTIVITY_LIKE);
+ ActivityPub\Processor::createActivity($object_data, Activity::LIKE);
}
break;
case 'as:Dislike':
if (in_array($object_data['object_type'], self::CONTENT_TYPES)) {
- ActivityPub\Processor::createActivity($object_data, ACTIVITY_DISLIKE);
+ ActivityPub\Processor::createActivity($object_data, Activity::DISLIKE);
}
break;
case 'as:TentativeAccept':
if (in_array($object_data['object_type'], self::CONTENT_TYPES)) {
- ActivityPub\Processor::createActivity($object_data, ACTIVITY_ATTENDMAYBE);
+ ActivityPub\Processor::createActivity($object_data, Activity::ATTENDMAYBE);
}
break;
ActivityPub\Processor::followUser($object_data);
} elseif (in_array($object_data['object_type'], self::CONTENT_TYPES)) {
$object_data['reply-to-id'] = $object_data['object_id'];
- ActivityPub\Processor::createActivity($object_data, ACTIVITY_FOLLOW);
+ ActivityPub\Processor::createActivity($object_data, Activity::FOLLOW);
}
break;
if ($object_data['object_type'] == 'as:Follow') {
ActivityPub\Processor::acceptFollowUser($object_data);
} elseif (in_array($object_data['object_type'], self::CONTENT_TYPES)) {
- ActivityPub\Processor::createActivity($object_data, ACTIVITY_ATTEND);
+ ActivityPub\Processor::createActivity($object_data, Activity::ATTEND);
}
break;
if ($object_data['object_type'] == 'as:Follow') {
ActivityPub\Processor::rejectFollowUser($object_data);
} elseif (in_array($object_data['object_type'], self::CONTENT_TYPES)) {
- ActivityPub\Processor::createActivity($object_data, ACTIVITY_ATTENDNO);
+ ActivityPub\Processor::createActivity($object_data, Activity::ATTENDNO);
}
break;
/**
* Fetch the receiver list from an activity array
*
- * @param array $activity
- * @param string $actor
- * @param array $tags
+ * @param array $activity
+ * @param string $actor
+ * @param array $tags
+ * @param boolean $fetch_unlisted
*
* @return array with receivers (user id)
* @throws \Exception
*/
- private static function getReceivers($activity, $actor, $tags = [])
+ private static function getReceivers($activity, $actor, $tags = [], $fetch_unlisted = false)
{
$receivers = [];
// When it is an answer, we inherite the receivers from the parent
$replyto = JsonLD::fetchElement($activity, 'as:inReplyTo', '@id');
if (!empty($replyto)) {
+ // Fix possibly wrong item URI (could be an answer to a plink uri)
+ $fixedReplyTo = Item::getURIByLink($replyto);
+ $replyto = $fixedReplyTo ?: $replyto;
+
$parents = Item::select(['uid'], ['uri' => $replyto]);
while ($parent = Item::fetch($parents)) {
$receivers['uid:' . $parent['uid']] = $parent['uid'];
if (!empty($actor)) {
$profile = APContact::getByURL($actor);
- $followers = defaults($profile, 'followers', '');
+ $followers = $profile['followers'] ?? '';
Logger::log('Actor: ' . $actor . ' - Followers: ' . $followers, Logger::DEBUG);
} else {
$receivers['uid:0'] = 0;
}
+ // Add receiver "-1" for unlisted posts
+ if ($fetch_unlisted && ($receiver == self::PUBLIC_COLLECTION) && ($element == 'as:cc')) {
+ $receivers['uid:-1'] = -1;
+ }
+
if (($receiver == self::PUBLIC_COLLECTION) && !empty($actor)) {
// This will most likely catch all OStatus connections to Mastodon
$condition = ['alias' => [$actor, Strings::normaliseLink($actor)], 'rel' => [Contact::SHARING, Contact::FRIEND]
// Check if the potential receiver is following the actor
// Exception: The receiver is targetted via "to" or this is a comment
if ((($element != 'as:to') && empty($replyto)) || ($contact['contact-type'] == Contact::TYPE_COMMUNITY)) {
- $networks = [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS];
+ $networks = Protocol::FEDERATED;
$condition = ['nurl' => Strings::normaliseLink($actor), 'rel' => [Contact::SHARING, Contact::FRIEND],
'network' => $networks, 'archive' => false, 'pending' => false, 'uid' => $contact['uid']];
public static function getReceiverForActor($actor, $tags)
{
$receivers = [];
- $networks = [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS];
+ $networks = Protocol::FEDERATED;
$condition = ['nurl' => Strings::normaliseLink($actor), 'rel' => [Contact::SHARING, Contact::FRIEND, Contact::FOLLOWER],
'network' => $networks, 'archive' => false, 'pending' => false];
$contacts = DBA::select('contact', ['uid', 'rel'], $condition);
*/
public static function switchContact($cid, $uid, $url)
{
- $profile = ActivityPub::probeProfile($url);
- if (empty($profile)) {
+ if (DBA::exists('contact', ['id' => $cid, 'network' => Protocol::ACTIVITYPUB])) {
+ Logger::info('Contact is already ActivityPub', ['id' => $cid, 'uid' => $uid, 'url' => $url]);
return;
}
- Logger::log('Switch contact ' . $cid . ' (' . $profile['url'] . ') for user ' . $uid . ' to ActivityPub');
-
- $photo = defaults($profile, 'photo', null);
- unset($profile['photo']);
- unset($profile['baseurl']);
- unset($profile['guid']);
-
- $profile['nurl'] = Strings::normaliseLink($profile['url']);
- DBA::update('contact', $profile, ['id' => $cid]);
-
- Contact::updateAvatar($photo, $uid, $cid);
+ if (Contact::updateFromProbe($cid, '', true)) {
+ Logger::info('Update was successful', ['id' => $cid, 'uid' => $uid, 'url' => $url]);
+ }
// Send a new follow request to be sure that the connection still exists
- if (($uid != 0) && DBA::exists('contact', ['id' => $cid, 'rel' => [Contact::SHARING, Contact::FRIEND]])) {
- ActivityPub\Transmitter::sendActivity('Follow', $profile['url'], $uid);
- Logger::log('Send a new follow request to ' . $profile['url'] . ' for user ' . $uid, Logger::DEBUG);
+ if (($uid != 0) && DBA::exists('contact', ['id' => $cid, 'rel' => [Contact::SHARING, Contact::FRIEND], 'network' => Protocol::ACTIVITYPUB])) {
+ Logger::info('Contact had been switched to ActivityPub. Sending a new follow request.', ['uid' => $uid, 'url' => $url]);
+ ActivityPub\Transmitter::sendActivity('Follow', $url, $uid);
}
}
$object_data['service'] = JsonLD::fetchElement($activity, 'as:instrument', 'as:name', '@type', 'as:Service');
$object_data['service'] = JsonLD::fetchElement($object_data, 'service', '@value');
+ if (!empty($object_data['object_id'])) {
+ // Some systems (e.g. GNU Social) don't reply to the "id" field but the "uri" field.
+ $objectId = Item::getURIByLink($object_data['object_id']);
+ if (!empty($objectId) && ($object_data['object_id'] != $objectId)) {
+ Logger::notice('Fix wrong object-id', ['received' => $object_data['object_id'], 'correct' => $objectId]);
+ $object_data['object_id'] = $objectId;
+ }
+ }
+
return $object_data;
}
}
if (in_array($type, self::CONTENT_TYPES)) {
- return self::processObject($object);
+ $object_data = self::processObject($object);
+
+ if (!empty($data)) {
+ $object_data['raw'] = json_encode($data);
+ }
+ return $object_data;
}
if ($type == 'as:Announce') {
return $attachlist;
}
+ /**
+ * Fetch the original source or content with the "language" Markdown or HTML
+ *
+ * @param array $object
+ * @param array $object_data
+ *
+ * @return array
+ * @throws \Exception
+ */
+ private static function getSource($object, $object_data)
+ {
+ $object_data['source'] = JsonLD::fetchElement($object, 'as:source', 'as:content', 'as:mediaType', 'text/bbcode');
+ $object_data['source'] = JsonLD::fetchElement($object_data, 'source', '@value');
+ if (!empty($object_data['source'])) {
+ return $object_data;
+ }
+
+ $object_data['source'] = JsonLD::fetchElement($object, 'as:source', 'as:content', 'as:mediaType', 'text/markdown');
+ $object_data['source'] = JsonLD::fetchElement($object_data, 'source', '@value');
+ if (!empty($object_data['source'])) {
+ $object_data['source'] = Markdown::toBBCode($object_data['source']);
+ return $object_data;
+ }
+
+ $object_data['source'] = JsonLD::fetchElement($object, 'as:source', 'as:content', 'as:mediaType', 'text/html');
+ $object_data['source'] = JsonLD::fetchElement($object_data, 'source', '@value');
+ if (!empty($object_data['source'])) {
+ $object_data['source'] = HTML::toBBCode($object_data['source']);
+ return $object_data;
+ }
+
+ return $object_data;
+ }
+
/**
* Fetches data from the object part of an activity
*
// An empty "id" field is translated to "./" by the compactor, so we have to check for this content
if (empty($object_data['reply-to-id']) || ($object_data['reply-to-id'] == './')) {
$object_data['reply-to-id'] = $object_data['id'];
+ } else {
+ // Some systems (e.g. GNU Social) don't reply to the "id" field but the "uri" field.
+ $replyToId = Item::getURIByLink($object_data['reply-to-id']);
+ if (!empty($replyToId) && ($object_data['reply-to-id'] != $replyToId)) {
+ Logger::notice('Fix wrong reply-to', ['received' => $object_data['reply-to-id'], 'correct' => $replyToId]);
+ $object_data['reply-to-id'] = $replyToId;
+ }
}
$object_data['published'] = JsonLD::fetchElement($object, 'as:published', '@value');
$object_data['name'] = JsonLD::fetchElement($object, 'as:name', '@value');
$object_data['summary'] = JsonLD::fetchElement($object, 'as:summary', '@value');
$object_data['content'] = JsonLD::fetchElement($object, 'as:content', '@value');
- $object_data['source'] = JsonLD::fetchElement($object, 'as:source', 'as:content', 'as:mediaType', 'text/bbcode');
- $object_data['source'] = JsonLD::fetchElement($object_data, 'source', '@value');
+ $object_data = self::getSource($object, $object_data);
$object_data['start-time'] = JsonLD::fetchElement($object, 'as:startTime', '@value');
$object_data['end-time'] = JsonLD::fetchElement($object, 'as:endTime', '@value');
$object_data['location'] = JsonLD::fetchElement($object, 'as:location', 'as:name', '@type', 'as:Place');
}
}
- $object_data['receiver'] = self::getReceivers($object, $object_data['actor'], $object_data['tags']);
+ $object_data['receiver'] = self::getReceivers($object, $object_data['actor'], $object_data['tags'], true);
+ $object_data['unlisted'] = in_array(-1, $object_data['receiver']);
+ unset($object_data['receiver']['uid:-1']);
// Common object data:
projects / friendica.git / blobdiff