mirror of
https://github.com/friendica/friendica
synced 2024-12-26 10:40:16 +00:00
1048 lines
31 KiB
PHP
1048 lines
31 KiB
PHP
<?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\Content\Text\BBCode;
|
|
use Friendica\Content\Text\HTML;
|
|
use Friendica\Core\Logger;
|
|
use Friendica\Core\Protocol;
|
|
use Friendica\Database\DBA;
|
|
use Friendica\DI;
|
|
use Friendica\Model\APContact;
|
|
use Friendica\Model\Contact;
|
|
use Friendica\Model\Conversation;
|
|
use Friendica\Model\Event;
|
|
use Friendica\Model\Item;
|
|
use Friendica\Model\ItemURI;
|
|
use Friendica\Model\Mail;
|
|
use Friendica\Model\Tag;
|
|
use Friendica\Model\User;
|
|
use Friendica\Protocol\Activity;
|
|
use Friendica\Protocol\ActivityPub;
|
|
use Friendica\Util\DateTimeFormat;
|
|
use Friendica\Util\JsonLD;
|
|
use Friendica\Util\Strings;
|
|
|
|
/**
|
|
* ActivityPub Processor Protocol class
|
|
*/
|
|
class Processor
|
|
{
|
|
/**
|
|
* Converts mentions from Pleroma into the Friendica format
|
|
*
|
|
* @param string $body
|
|
*
|
|
* @return string converted body
|
|
*/
|
|
private static function convertMentions($body)
|
|
{
|
|
$URLSearchString = "^\[\]";
|
|
$body = preg_replace("/\[url\=([$URLSearchString]*)\]([#@!])(.*?)\[\/url\]/ism", '$2[url=$1]$3[/url]', $body);
|
|
|
|
return $body;
|
|
}
|
|
|
|
/**
|
|
* Replaces emojis in the body
|
|
*
|
|
* @param array $emojis
|
|
* @param string $body
|
|
*
|
|
* @return string with replaced emojis
|
|
*/
|
|
private static function replaceEmojis($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;
|
|
}
|
|
|
|
/**
|
|
* Add attachment data to the item array
|
|
*
|
|
* @param array $activity
|
|
* @param array $item
|
|
*
|
|
* @return array array
|
|
*/
|
|
private static function constructAttachList($activity, $item)
|
|
{
|
|
if (empty($activity['attachments'])) {
|
|
return $item;
|
|
}
|
|
|
|
foreach ($activity['attachments'] as $attach) {
|
|
switch ($attach['type']) {
|
|
case 'link':
|
|
// Only one [attachment] tag is allowed
|
|
$existingAttachmentPos = strpos($item['body'], '[attachment');
|
|
if ($existingAttachmentPos !== false) {
|
|
$linkTitle = $attach['title'] ?: $attach['url'];
|
|
// Additional link attachments are prepended before the existing [attachment] tag
|
|
$item['body'] = substr_replace($item['body'], "\n[bookmark=" . $attach['url'] . ']' . $linkTitle . "[/bookmark]\n", $existingAttachmentPos, 0);
|
|
} else {
|
|
// Strip the link preview URL from the end of the body if any
|
|
$quotedUrl = preg_quote($attach['url'], '#');
|
|
$item['body'] = preg_replace("#\s*(?:\[bookmark={$quotedUrl}].+?\[/bookmark]|\[url={$quotedUrl}].+?\[/url]|\[url]{$quotedUrl}\[/url]|{$quotedUrl})\s*$#", '', $item['body']);
|
|
$item['body'] .= "\n[attachment type='link' url='" . $attach['url'] . "' title='" . htmlspecialchars($attach['title'] ?? '', ENT_QUOTES) . "' image='" . ($attach['image'] ?? '') . "']" . ($attach['desc'] ?? '') . '[/attachment]';
|
|
}
|
|
break;
|
|
default:
|
|
$filetype = strtolower(substr($attach['mediaType'], 0, strpos($attach['mediaType'], '/')));
|
|
if ($filetype == 'image') {
|
|
if (!empty($activity['source']) && strpos($activity['source'], $attach['url'])) {
|
|
continue 2;
|
|
}
|
|
|
|
if (empty($attach['name'])) {
|
|
$item['body'] .= "\n[img]" . $attach['url'] . '[/img]';
|
|
} else {
|
|
$item['body'] .= "\n[img=" . $attach['url'] . ']' . $attach['name'] . '[/img]';
|
|
}
|
|
} elseif ($filetype == 'audio') {
|
|
if (!empty($activity['source']) && strpos($activity['source'], $attach['url'])) {
|
|
continue 2;
|
|
}
|
|
|
|
$item['body'] .= "\n[audio]" . $attach['url'] . '[/audio]';
|
|
} elseif ($filetype == 'video') {
|
|
if (!empty($activity['source']) && strpos($activity['source'], $attach['url'])) {
|
|
continue 2;
|
|
}
|
|
|
|
$item['body'] .= "\n[video]" . $attach['url'] . '[/video]';
|
|
} else {
|
|
if (!empty($item["attach"])) {
|
|
$item["attach"] .= ',';
|
|
} else {
|
|
$item["attach"] = '';
|
|
}
|
|
|
|
$item["attach"] .= '[attach]href="' . $attach['url'] . '" length="' . ($attach['length'] ?? '0') . '" type="' . $attach['mediaType'] . '" title="' . ($attach['name'] ?? '') . '"[/attach]';
|
|
}
|
|
}
|
|
}
|
|
|
|
return $item;
|
|
}
|
|
|
|
/**
|
|
* Updates a message
|
|
*
|
|
* @param array $activity Activity array
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
*/
|
|
public static function updateItem($activity)
|
|
{
|
|
$item = Item::selectFirst(['uri', 'uri-id', 'thr-parent', 'gravity'], ['uri' => $activity['id']]);
|
|
if (!DBA::isResult($item)) {
|
|
Logger::warning('No existing item, item will be created', ['uri' => $activity['id']]);
|
|
self::createItem($activity);
|
|
return;
|
|
}
|
|
|
|
$item['changed'] = DateTimeFormat::utcNow();
|
|
$item['edited'] = DateTimeFormat::utc($activity['updated']);
|
|
|
|
$item = self::processContent($activity, $item);
|
|
if (empty($item)) {
|
|
return;
|
|
}
|
|
|
|
Item::update($item, ['uri' => $activity['id']]);
|
|
}
|
|
|
|
/**
|
|
* Prepares data for a message
|
|
*
|
|
* @param array $activity Activity array
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
public static function createItem($activity)
|
|
{
|
|
$item = [];
|
|
$item['verb'] = Activity::POST;
|
|
$item['thr-parent'] = $activity['reply-to-id'];
|
|
|
|
if ($activity['reply-to-id'] == $activity['id']) {
|
|
$item['gravity'] = GRAVITY_PARENT;
|
|
$item['object-type'] = Activity\ObjectType::NOTE;
|
|
} else {
|
|
$item['gravity'] = GRAVITY_COMMENT;
|
|
$item['object-type'] = Activity\ObjectType::COMMENT;
|
|
|
|
// Ensure that the comment reaches all receivers of the referring post
|
|
$activity['receiver'] = self::addReceivers($activity);
|
|
}
|
|
|
|
if (empty($activity['directmessage']) && ($activity['id'] != $activity['reply-to-id']) && !Item::exists(['uri' => $activity['reply-to-id']])) {
|
|
Logger::notice('Parent not found. Try to refetch it.', ['parent' => $activity['reply-to-id']]);
|
|
self::fetchMissingActivity($activity['reply-to-id'], $activity);
|
|
}
|
|
|
|
$item['diaspora_signed_text'] = $activity['diaspora:comment'] ?? '';
|
|
|
|
self::postItem($activity, $item);
|
|
}
|
|
|
|
/**
|
|
* Delete items
|
|
*
|
|
* @param array $activity
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
public static function deleteItem($activity)
|
|
{
|
|
$owner = Contact::getIdForURL($activity['actor']);
|
|
|
|
Logger::info('Deleting item', ['object' => $activity['object_id'], 'owner' => $owner]);
|
|
Item::markForDeletion(['uri' => $activity['object_id'], 'owner-id' => $owner]);
|
|
}
|
|
|
|
/**
|
|
* Prepare the item array for an activity
|
|
*
|
|
* @param array $activity Activity array
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
public static function addTag($activity)
|
|
{
|
|
if (empty($activity['object_content']) || empty($activity['object_id'])) {
|
|
return;
|
|
}
|
|
|
|
foreach ($activity['receiver'] as $receiver) {
|
|
$item = Item::selectFirst(['id', 'uri-id', 'tag', 'origin', 'author-link'], ['uri' => $activity['target_id'], 'uid' => $receiver]);
|
|
if (!DBA::isResult($item)) {
|
|
// We don't fetch missing content for this purpose
|
|
continue;
|
|
}
|
|
|
|
if (($item['author-link'] != $activity['actor']) && !$item['origin']) {
|
|
Logger::info('Not origin, not from the author, skipping update', ['id' => $item['id'], 'author' => $item['author-link'], 'actor' => $activity['actor']]);
|
|
continue;
|
|
}
|
|
|
|
Tag::store($item['uri-id'], Tag::HASHTAG, $activity['object_content'], $activity['object_id']);
|
|
Logger::info('Tagged item', ['id' => $item['id'], 'tag' => $activity['object_content'], 'uri' => $activity['target_id'], 'actor' => $activity['actor']]);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Add users to the receiver list of the given public activity.
|
|
* This is used to ensure that the activity will be stored in every thread.
|
|
*
|
|
* @param array $activity Activity array
|
|
* @return array Modified receiver list
|
|
*/
|
|
private static function addReceivers(array $activity)
|
|
{
|
|
if (!in_array(0, $activity['receiver'])) {
|
|
// Private activities will not be modified
|
|
return $activity['receiver'];
|
|
}
|
|
|
|
// Add all owners of the referring item to the receivers
|
|
$original = $receivers = $activity['receiver'];
|
|
$items = Item::select(['uid'], ['uri' => $activity['object_id']]);
|
|
while ($item = DBA::fetch($items)) {
|
|
$receivers['uid:' . $item['uid']] = $item['uid'];
|
|
}
|
|
DBA::close($items);
|
|
|
|
if (count($original) != count($receivers)) {
|
|
Logger::info('Improved data', ['id' => $activity['id'], 'object' => $activity['object_id'], 'original' => $original, 'improved' => $receivers]);
|
|
}
|
|
|
|
return $receivers;
|
|
}
|
|
|
|
/**
|
|
* Prepare the item array for an activity
|
|
*
|
|
* @param array $activity Activity array
|
|
* @param string $verb Activity verb
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
public static function createActivity($activity, $verb)
|
|
{
|
|
$item = [];
|
|
$item['verb'] = $verb;
|
|
$item['thr-parent'] = $activity['object_id'];
|
|
$item['gravity'] = GRAVITY_ACTIVITY;
|
|
$item['object-type'] = Activity\ObjectType::NOTE;
|
|
|
|
$item['diaspora_signed_text'] = $activity['diaspora:like'] ?? '';
|
|
|
|
$activity['receiver'] = self::addReceivers($activity);
|
|
|
|
self::postItem($activity, $item);
|
|
}
|
|
|
|
/**
|
|
* Create an event
|
|
*
|
|
* @param array $activity Activity array
|
|
* @param array $item
|
|
* @throws \Exception
|
|
*/
|
|
public static function createEvent($activity, $item)
|
|
{
|
|
$event['summary'] = HTML::toBBCode($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'];
|
|
|
|
$condition = ['uri' => $item['uri'], 'uid' => $item['uid']];
|
|
$ev = DBA::selectFirst('event', ['id'], $condition);
|
|
if (DBA::isResult($ev)) {
|
|
$event['id'] = $ev['id'];
|
|
}
|
|
|
|
$event_id = Event::store($event);
|
|
Logger::info('Event was stored', ['id' => $event_id]);
|
|
}
|
|
|
|
/**
|
|
* 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']);
|
|
|
|
if (!empty($activity['emojis'])) {
|
|
$content = self::replaceEmojis($content, $activity['emojis']);
|
|
}
|
|
|
|
$content = self::convertMentions($content);
|
|
|
|
if (empty($activity['directmessage']) && ($item['thr-parent'] != $item['uri']) && ($item['gravity'] == GRAVITY_COMMENT)) {
|
|
$item_private = !in_array(0, $activity['item_receiver']);
|
|
$parent = Item::selectFirst(['id', 'uri-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'] != Item::PRIVATE)) {
|
|
Logger::warning('Item is private but the parent is not. Dropping.', ['item-uri' => $item['uri'], 'thr-parent' => $item['thr-parent']]);
|
|
return false;
|
|
}
|
|
|
|
$content = self::removeImplicitMentionsFromBody($content, $parent);
|
|
}
|
|
$item['content-warning'] = HTML::toBBCode($activity['summary']);
|
|
$item['body'] = $content;
|
|
}
|
|
|
|
self::storeFromBody($item);
|
|
self::storeTags($item['uri-id'], $activity['tags']);
|
|
|
|
$item['location'] = $activity['location'];
|
|
|
|
if (!empty($activity['latitude']) && !empty($activity['longitude'])) {
|
|
$item['coord'] = $activity['latitude'] . ' ' . $activity['longitude'];
|
|
}
|
|
|
|
$item['app'] = $activity['generator'];
|
|
|
|
return $item;
|
|
}
|
|
|
|
/**
|
|
* Store hashtags and mentions
|
|
*
|
|
* @param array $item
|
|
*/
|
|
private static function storeFromBody(array $item)
|
|
{
|
|
// Make sure to delete all existing tags (can happen when called via the update functionality)
|
|
DBA::delete('post-tag', ['uri-id' => $item['uri-id']]);
|
|
|
|
Tag::storeFromBody($item['uri-id'], $item['body'], '@!');
|
|
}
|
|
|
|
/**
|
|
* Generate a GUID out of an URL
|
|
*
|
|
* @param string $url message URL
|
|
* @return string with GUID
|
|
*/
|
|
private static function getGUIDByURL(string $url)
|
|
{
|
|
$parsed = parse_url($url);
|
|
|
|
$host_hash = hash('crc32', $parsed['host']);
|
|
|
|
unset($parsed["scheme"]);
|
|
unset($parsed["host"]);
|
|
|
|
$path = implode("/", $parsed);
|
|
|
|
return $host_hash . '-'. hash('fnv164', $path) . '-'. hash('joaat', $path);
|
|
}
|
|
|
|
/**
|
|
* Creates an item post
|
|
*
|
|
* @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 $activity['context']?
|
|
if (empty($activity['directmessage']) && ($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['network'] = Protocol::ACTIVITYPUB;
|
|
$item['author-link'] = $activity['author'];
|
|
$item['author-id'] = Contact::getIdForURL($activity['author'], 0, true);
|
|
$item['owner-link'] = $activity['actor'];
|
|
$item['owner-id'] = Contact::getIdForURL($activity['actor'], 0, true);
|
|
|
|
if (in_array(0, $activity['receiver']) && !empty($activity['unlisted'])) {
|
|
$item['private'] = Item::UNLISTED;
|
|
} elseif (in_array(0, $activity['receiver'])) {
|
|
$item['private'] = Item::PUBLIC;
|
|
} else {
|
|
$item['private'] = Item::PRIVATE;
|
|
}
|
|
|
|
if (!empty($activity['raw'])) {
|
|
$item['source'] = $activity['raw'];
|
|
$item['protocol'] = Conversation::PARCEL_ACTIVITYPUB;
|
|
$item['conversation-href'] = $activity['context'] ?? '';
|
|
$item['conversation-uri'] = $activity['conversation'] ?? '';
|
|
|
|
if (isset($activity['push'])) {
|
|
$item['direction'] = $activity['push'] ? Conversation::PUSH : Conversation::PULL;
|
|
}
|
|
}
|
|
|
|
$isForum = false;
|
|
|
|
if (!empty($activity['thread-completion'])) {
|
|
// Store the original actor in the "causer" fields to enable the check for ignored or blocked contacts
|
|
$item['causer-link'] = $item['owner-link'];
|
|
$item['causer-id'] = $item['owner-id'];
|
|
|
|
Logger::info('Ignoring actor because of thread completion.', ['actor' => $item['owner-link']]);
|
|
$item['owner-link'] = $item['author-link'];
|
|
$item['owner-id'] = $item['author-id'];
|
|
} else {
|
|
$actor = APContact::getByURL($item['owner-link'], false);
|
|
$isForum = ($actor['type'] == 'Group');
|
|
}
|
|
|
|
$item['uri'] = $activity['id'];
|
|
|
|
$item['created'] = DateTimeFormat::utc($activity['published']);
|
|
$item['edited'] = DateTimeFormat::utc($activity['updated']);
|
|
$guid = $activity['sc:identifier'] ?: self::getGUIDByURL($item['uri']);
|
|
$item['guid'] = $activity['diaspora:guid'] ?: $guid;
|
|
|
|
$item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
|
|
|
|
$item = self::processContent($activity, $item);
|
|
if (empty($item)) {
|
|
return;
|
|
}
|
|
|
|
$item['plink'] = $activity['alternate-url'] ?? $item['uri'];
|
|
|
|
$item = self::constructAttachList($activity, $item);
|
|
|
|
$stored = false;
|
|
|
|
foreach ($activity['receiver'] as $receiver) {
|
|
if ($receiver == -1) {
|
|
continue;
|
|
}
|
|
|
|
$item['uid'] = $receiver;
|
|
|
|
if ($isForum) {
|
|
$item['contact-id'] = Contact::getIdForURL($activity['actor'], $receiver, true);
|
|
} else {
|
|
$item['contact-id'] = Contact::getIdForURL($activity['author'], $receiver, true);
|
|
}
|
|
|
|
if (($receiver != 0) && empty($item['contact-id'])) {
|
|
$item['contact-id'] = Contact::getIdForURL($activity['author'], 0, true);
|
|
}
|
|
|
|
if (!empty($activity['directmessage'])) {
|
|
self::postMail($activity, $item);
|
|
continue;
|
|
}
|
|
|
|
if (DI::pConfig()->get($receiver, 'system', 'accept_only_sharer', false) && ($receiver != 0) && ($item['gravity'] == GRAVITY_PARENT)) {
|
|
$skip = !Contact::isSharingByURL($activity['author'], $receiver);
|
|
|
|
if ($skip && (($activity['type'] == 'as:Announce') || $isForum)) {
|
|
$skip = !Contact::isSharingByURL($activity['actor'], $receiver);
|
|
}
|
|
|
|
if ($skip) {
|
|
Logger::info('Skipping post', ['uid' => $receiver, 'url' => $item['uri']]);
|
|
continue;
|
|
}
|
|
|
|
Logger::info('Accepting post', ['uid' => $receiver, 'url' => $item['uri']]);
|
|
}
|
|
|
|
if (($item['gravity'] != GRAVITY_ACTIVITY) && ($activity['object_type'] == 'as:Event')) {
|
|
self::createEvent($activity, $item);
|
|
}
|
|
|
|
$item_id = Item::insert($item);
|
|
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 && ($item['private'] != Item::PRIVATE) && ($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::info('Send follow request', ['uri' => $item['uri'], 'stored' => $stored, 'to' => $item['author-link']]);
|
|
ActivityPub\Transmitter::sendFollowObject($item['uri'], $item['author-link']);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Store tags and mentions into the tag table
|
|
*
|
|
* @param integer $uriid
|
|
* @param array $tags
|
|
*/
|
|
private static function storeTags(int $uriid, array $tags = null)
|
|
{
|
|
foreach ($tags as $tag) {
|
|
if (empty($tag['name']) || empty($tag['type']) || !in_array($tag['type'], ['Mention', 'Hashtag'])) {
|
|
continue;
|
|
}
|
|
|
|
$hash = substr($tag['name'], 0, 1);
|
|
|
|
if ($tag['type'] == 'Mention') {
|
|
if (in_array($hash, [Tag::TAG_CHARACTER[Tag::MENTION],
|
|
Tag::TAG_CHARACTER[Tag::EXCLUSIVE_MENTION],
|
|
Tag::TAG_CHARACTER[Tag::IMPLICIT_MENTION]])) {
|
|
$tag['name'] = substr($tag['name'], 1);
|
|
}
|
|
$type = Tag::IMPLICIT_MENTION;
|
|
|
|
if (!empty($tag['href'])) {
|
|
$apcontact = APContact::getByURL($tag['href']);
|
|
if (!empty($apcontact['name']) || !empty($apcontact['nick'])) {
|
|
$tag['name'] = $apcontact['name'] ?: $apcontact['nick'];
|
|
}
|
|
}
|
|
} elseif ($tag['type'] == 'Hashtag') {
|
|
if ($hash == Tag::TAG_CHARACTER[Tag::HASHTAG]) {
|
|
$tag['name'] = substr($tag['name'], 1);
|
|
}
|
|
$type = Tag::HASHTAG;
|
|
}
|
|
|
|
if (empty($tag['name'])) {
|
|
continue;
|
|
}
|
|
|
|
Tag::store($uriid, $type, $tag['name'], $tag['href']);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Creates an mail post
|
|
*
|
|
* @param array $activity Activity data
|
|
* @param array $item item array
|
|
* @return int|bool New mail table row id or false on error
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
*/
|
|
private static function postMail($activity, $item)
|
|
{
|
|
if (($item['gravity'] != GRAVITY_PARENT) && !DBA::exists('mail', ['uri' => $item['thr-parent'], 'uid' => $item['uid']])) {
|
|
Logger::info('Parent not found, mail will be discarded.', ['uid' => $item['uid'], 'uri' => $item['thr-parent']]);
|
|
return false;
|
|
}
|
|
|
|
Logger::info('Direct Message', $item);
|
|
|
|
$msg = [];
|
|
$msg['uid'] = $item['uid'];
|
|
|
|
$msg['contact-id'] = $item['contact-id'];
|
|
|
|
$contact = Contact::getById($item['contact-id'], ['name', 'url', 'photo']);
|
|
$msg['from-name'] = $contact['name'];
|
|
$msg['from-url'] = $contact['url'];
|
|
$msg['from-photo'] = $contact['photo'];
|
|
|
|
$msg['uri'] = $item['uri'];
|
|
$msg['created'] = $item['created'];
|
|
|
|
$parent = DBA::selectFirst('mail', ['parent-uri', 'title'], ['uri' => $item['thr-parent']]);
|
|
if (DBA::isResult($parent)) {
|
|
$msg['parent-uri'] = $parent['parent-uri'];
|
|
$msg['title'] = $parent['title'];
|
|
} else {
|
|
$msg['parent-uri'] = $item['thr-parent'];
|
|
|
|
if (!empty($item['title'])) {
|
|
$msg['title'] = $item['title'];
|
|
} elseif (!empty($item['content-warning'])) {
|
|
$msg['title'] = $item['content-warning'];
|
|
} else {
|
|
// Trying to generate a title out of the body
|
|
$title = $item['body'];
|
|
|
|
while (preg_match('#^(@\[url=([^\]]+)].*?\[\/url]\s)(.*)#is', $title, $matches)) {
|
|
$title = $matches[3];
|
|
}
|
|
|
|
$title = trim(HTML::toPlaintext(BBCode::convert($title, false, BBCode::API, true), 0));
|
|
|
|
if (strlen($title) > 20) {
|
|
$title = substr($title, 0, 20) . '...';
|
|
}
|
|
|
|
$msg['title'] = $title;
|
|
}
|
|
}
|
|
$msg['body'] = $item['body'];
|
|
|
|
return Mail::insert($msg);
|
|
}
|
|
|
|
/**
|
|
* Fetches missing posts
|
|
*
|
|
* @param string $url message URL
|
|
* @param array $child activity array with the child of this message
|
|
* @return string fetched message URL
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
*/
|
|
public static function fetchMissingActivity($url, $child = [])
|
|
{
|
|
if (!empty($child['receiver'])) {
|
|
$uid = ActivityPub\Receiver::getFirstUserFromReceivers($child['receiver']);
|
|
} else {
|
|
$uid = 0;
|
|
}
|
|
|
|
$object = ActivityPub::fetchContent($url, $uid);
|
|
if (empty($object)) {
|
|
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 '';
|
|
}
|
|
|
|
if (!empty($child['author'])) {
|
|
$actor = $child['author'];
|
|
} elseif (!empty($object['actor'])) {
|
|
$actor = $object['actor'];
|
|
} elseif (!empty($object['attributedTo'])) {
|
|
$actor = $object['attributedTo'];
|
|
} else {
|
|
// Shouldn't happen
|
|
$actor = '';
|
|
}
|
|
|
|
if (!empty($object['published'])) {
|
|
$published = $object['published'];
|
|
} elseif (!empty($child['published'])) {
|
|
$published = $child['published'];
|
|
} else {
|
|
$published = DateTimeFormat::utcNow();
|
|
}
|
|
|
|
$activity = [];
|
|
$activity['@context'] = $object['@context'];
|
|
unset($object['@context']);
|
|
$activity['id'] = $object['id'];
|
|
$activity['to'] = $object['to'] ?? [];
|
|
$activity['cc'] = $object['cc'] ?? [];
|
|
$activity['actor'] = $actor;
|
|
$activity['object'] = $object;
|
|
$activity['published'] = $published;
|
|
$activity['type'] = 'Create';
|
|
|
|
$ldactivity = JsonLD::compact($activity);
|
|
|
|
$ldactivity['thread-completion'] = true;
|
|
|
|
ActivityPub\Receiver::processActivity($ldactivity, json_encode($activity));
|
|
|
|
Logger::notice('Activity had been fetched and processed.', ['url' => $url, 'object' => $activity['id']]);
|
|
|
|
return $activity['id'];
|
|
}
|
|
|
|
/**
|
|
* perform a "follow" request
|
|
*
|
|
* @param array $activity
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
public static function followUser($activity)
|
|
{
|
|
$uid = User::getIdForURL($activity['object_id']);
|
|
if (empty($uid)) {
|
|
return;
|
|
}
|
|
|
|
$owner = User::getOwnerDataById($uid);
|
|
|
|
$cid = Contact::getIdForURL($activity['actor'], $uid);
|
|
if (!empty($cid)) {
|
|
self::switchContact($cid);
|
|
DBA::update('contact', ['hub-verify' => $activity['id'], 'protocol' => Protocol::ACTIVITYPUB], ['id' => $cid]);
|
|
$contact = DBA::selectFirst('contact', [], ['id' => $cid, 'network' => Protocol::NATIVE_SUPPORT]);
|
|
} else {
|
|
$contact = [];
|
|
}
|
|
|
|
$item = ['author-id' => Contact::getIdForURL($activity['actor']),
|
|
'author-link' => $activity['actor']];
|
|
|
|
$note = Strings::escapeTags(trim($activity['content'] ?? ''));
|
|
|
|
// Ensure that the contact has got the right network type
|
|
self::switchContact($item['author-id']);
|
|
|
|
$result = Contact::addRelationship($owner, $contact, $item, false, $note);
|
|
if ($result === true) {
|
|
ActivityPub\Transmitter::sendContactAccept($item['author-link'], $activity['id'], $owner['uid']);
|
|
}
|
|
|
|
$cid = Contact::getIdForURL($activity['actor'], $uid);
|
|
if (empty($cid)) {
|
|
return;
|
|
}
|
|
|
|
if (empty($contact)) {
|
|
DBA::update('contact', ['hub-verify' => $activity['id'], 'protocol' => Protocol::ACTIVITYPUB], ['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)
|
|
{
|
|
if (empty($activity['object_id'])) {
|
|
return;
|
|
}
|
|
|
|
Logger::info('Updating profile', ['object' => $activity['object_id']]);
|
|
Contact::updateFromProbeByURL($activity['object_id'], true);
|
|
}
|
|
|
|
/**
|
|
* 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::info('Empty object id or actor.');
|
|
return;
|
|
}
|
|
|
|
if ($activity['object_id'] != $activity['actor']) {
|
|
Logger::info('Object id does not match actor.');
|
|
return;
|
|
}
|
|
|
|
$contacts = DBA::select('contact', ['id'], ['nurl' => Strings::normaliseLink($activity['object_id'])]);
|
|
while ($contact = DBA::fetch($contacts)) {
|
|
Contact::remove($contact['id']);
|
|
}
|
|
DBA::close($contacts);
|
|
|
|
Logger::info('Deleted contact', ['object' => $activity['object_id']]);
|
|
}
|
|
|
|
/**
|
|
* Accept a follow request
|
|
*
|
|
* @param array $activity
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
public static function acceptFollowUser($activity)
|
|
{
|
|
$uid = User::getIdForURL($activity['object_actor']);
|
|
if (empty($uid)) {
|
|
return;
|
|
}
|
|
|
|
$cid = Contact::getIdForURL($activity['actor'], $uid);
|
|
if (empty($cid)) {
|
|
Logger::info('No contact found', ['actor' => $activity['actor']]);
|
|
return;
|
|
}
|
|
|
|
self::switchContact($cid);
|
|
|
|
$fields = ['pending' => false];
|
|
|
|
$contact = DBA::selectFirst('contact', ['rel'], ['id' => $cid]);
|
|
if ($contact['rel'] == Contact::FOLLOWER) {
|
|
$fields['rel'] = Contact::FRIEND;
|
|
}
|
|
|
|
$condition = ['id' => $cid];
|
|
DBA::update('contact', $fields, $condition);
|
|
Logger::info('Accept contact request', ['contact' => $cid, 'user' => $uid]);
|
|
}
|
|
|
|
/**
|
|
* Reject a follow request
|
|
*
|
|
* @param array $activity
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
public static function rejectFollowUser($activity)
|
|
{
|
|
$uid = User::getIdForURL($activity['object_actor']);
|
|
if (empty($uid)) {
|
|
return;
|
|
}
|
|
|
|
$cid = Contact::getIdForURL($activity['actor'], $uid);
|
|
if (empty($cid)) {
|
|
Logger::info('No contact found', ['actor' => $activity['actor']]);
|
|
return;
|
|
}
|
|
|
|
self::switchContact($cid);
|
|
|
|
if (DBA::exists('contact', ['id' => $cid, 'rel' => Contact::SHARING])) {
|
|
Contact::remove($cid);
|
|
Logger::info('Rejected contact request - contact removed', ['contact' => $cid, 'user' => $uid]);
|
|
} else {
|
|
Logger::info('Rejected contact request', ['contact' => $cid, 'user' => $uid]);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Undo activity like "like" or "dislike"
|
|
*
|
|
* @param array $activity
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
public static function undoActivity($activity)
|
|
{
|
|
if (empty($activity['object_id'])) {
|
|
return;
|
|
}
|
|
|
|
if (empty($activity['object_actor'])) {
|
|
return;
|
|
}
|
|
|
|
$author_id = Contact::getIdForURL($activity['object_actor']);
|
|
if (empty($author_id)) {
|
|
return;
|
|
}
|
|
|
|
Item::markForDeletion(['uri' => $activity['object_id'], 'author-id' => $author_id, 'gravity' => GRAVITY_ACTIVITY]);
|
|
}
|
|
|
|
/**
|
|
* Activity to remove a follower
|
|
*
|
|
* @param array $activity
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
public static function undoFollowUser($activity)
|
|
{
|
|
$uid = User::getIdForURL($activity['object_object']);
|
|
if (empty($uid)) {
|
|
return;
|
|
}
|
|
|
|
$owner = User::getOwnerDataById($uid);
|
|
|
|
$cid = Contact::getIdForURL($activity['actor'], $uid);
|
|
if (empty($cid)) {
|
|
Logger::info('No contact found', ['actor' => $activity['actor']]);
|
|
return;
|
|
}
|
|
|
|
self::switchContact($cid);
|
|
|
|
$contact = DBA::selectFirst('contact', [], ['id' => $cid]);
|
|
if (!DBA::isResult($contact)) {
|
|
return;
|
|
}
|
|
|
|
Contact::removeFollower($owner, $contact);
|
|
Logger::info('Undo following request', ['contact' => $cid, 'user' => $uid]);
|
|
}
|
|
|
|
/**
|
|
* Switches a contact to AP if needed
|
|
*
|
|
* @param integer $cid Contact ID
|
|
* @throws \Exception
|
|
*/
|
|
private static function switchContact($cid)
|
|
{
|
|
$contact = DBA::selectFirst('contact', ['network', 'url'], ['id' => $cid]);
|
|
if (!DBA::isResult($contact) || in_array($contact['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN]) || Contact::isLocal($contact['url'])) {
|
|
return;
|
|
}
|
|
|
|
Logger::info('Change existing contact', ['cid' => $cid, 'previous' => $contact['network']]);
|
|
Contact::updateFromProbe($cid);
|
|
}
|
|
|
|
/**
|
|
* 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)
|
|
{
|
|
$parent_terms = Tag::getByURIId($parent['uri-id'], [Tag::MENTION, Tag::IMPLICIT_MENTION, Tag::EXCLUSIVE_MENTION]);
|
|
|
|
$parent_author = Contact::getByURL($parent['author-link'], false, ['url', 'nurl', 'alias']);
|
|
|
|
$implicit_mentions = [];
|
|
if (empty($parent_author['url'])) {
|
|
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) {
|
|
$contact = Contact::getByURL($term['url'], false, ['url', 'nurl', 'alias']);
|
|
if (!empty($contact['url'])) {
|
|
$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 $parent
|
|
* @return string
|
|
*/
|
|
private static function removeImplicitMentionsFromBody(string $body, array $parent)
|
|
{
|
|
if (DI::config()->get('system', 'disable_implicit_mentions')) {
|
|
return $body;
|
|
}
|
|
|
|
$potential_mentions = self::getImplicitMentionList($parent);
|
|
|
|
$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);
|
|
}
|
|
}
|