963 lines
28 KiB
PHP
963 lines
28 KiB
PHP
<?php
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/**
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* @file src/Protocol/ActivityPub/Processor.php
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*/
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namespace Friendica\Protocol\ActivityPub;
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use Friendica\Content\Text\BBCode;
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use Friendica\Content\Text\HTML;
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use Friendica\Core\Config;
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use Friendica\Core\Logger;
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use Friendica\Core\PConfig;
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use Friendica\Core\Protocol;
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use Friendica\Database\DBA;
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use Friendica\Model\APContact;
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use Friendica\Model\Contact;
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use Friendica\Model\Event;
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use Friendica\Model\Item;
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use Friendica\Model\Mail;
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use Friendica\Model\Term;
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use Friendica\Model\User;
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use Friendica\Protocol\Activity;
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use Friendica\Protocol\ActivityPub;
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use Friendica\Util\DateTimeFormat;
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use Friendica\Util\JsonLD;
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use Friendica\Util\Strings;
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/**
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* ActivityPub Processor Protocol class
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*/
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class Processor
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{
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/**
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* Converts mentions from Pleroma into the Friendica format
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*
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* @param string $body
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*
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* @return string converted body
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*/
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private static function convertMentions($body)
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{
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$URLSearchString = "^\[\]";
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$body = preg_replace("/\[url\=([$URLSearchString]*)\]([#@!])(.*?)\[\/url\]/ism", '$2[url=$1]$3[/url]', $body);
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return $body;
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}
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/**
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* Replaces emojis in the body
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*
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* @param array $emojis
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* @param string $body
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*
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* @return string with replaced emojis
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*/
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private static function replaceEmojis($body, array $emojis)
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{
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foreach ($emojis as $emoji) {
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$replace = '[class=emoji mastodon][img=' . $emoji['href'] . ']' . $emoji['name'] . '[/img][/class]';
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$body = str_replace($emoji['name'], $replace, $body);
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}
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return $body;
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}
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/**
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* Constructs a string with tags for a given tag array
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*
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* @param array $tags
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* @param boolean $sensitive
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* @return string with tags
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*/
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private static function constructTagString(array $tags = null, $sensitive = false)
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{
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if (empty($tags)) {
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return '';
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}
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$tag_text = '';
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foreach ($tags as $tag) {
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if (in_array($tag['type'] ?? '', ['Mention', 'Hashtag'])) {
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if (!empty($tag_text)) {
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$tag_text .= ',';
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}
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$tag_text .= substr($tag['name'], 0, 1) . '[url=' . $tag['href'] . ']' . substr($tag['name'], 1) . '[/url]';
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}
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}
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/// @todo add nsfw for $sensitive
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return $tag_text;
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}
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/**
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* Add attachment data to the item array
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*
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* @param array $activity
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* @param array $item
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*
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* @return array array
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*/
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private static function constructAttachList($activity, $item)
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{
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if (empty($activity['attachments'])) {
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return $item;
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}
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foreach ($activity['attachments'] as $attach) {
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$filetype = strtolower(substr($attach['mediaType'], 0, strpos($attach['mediaType'], '/')));
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if ($filetype == 'image') {
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if (!empty($activity['source']) && strpos($activity['source'], $attach['url'])) {
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continue;
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}
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if (empty($attach['name'])) {
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$item['body'] .= "\n[img]" . $attach['url'] . '[/img]';
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} else {
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$item['body'] .= "\n[img=" . $attach['url'] . ']' . $attach['name'] . '[/img]';
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}
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} else {
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if (!empty($item["attach"])) {
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$item["attach"] .= ',';
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} else {
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$item["attach"] = '';
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}
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if (!isset($attach['length'])) {
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$attach['length'] = "0";
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}
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$item["attach"] .= '[attach]href="'.$attach['url'].'" length="'.$attach['length'].'" type="'.$attach['mediaType'].'" title="'.($attach['name'] ?? '') .'"[/attach]';
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}
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}
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return $item;
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}
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/**
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* Updates a message
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*
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* @param array $activity Activity array
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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*/
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public static function updateItem($activity)
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{
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$item = Item::selectFirst(['uri', 'thr-parent', 'gravity'], ['uri' => $activity['id']]);
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if (!DBA::isResult($item)) {
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Logger::warning('Unknown item', ['uri' => $activity['id']]);
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return;
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}
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$item['changed'] = DateTimeFormat::utcNow();
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$item['edited'] = DateTimeFormat::utc($activity['updated']);
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$item = self::processContent($activity, $item);
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if (empty($item)) {
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return;
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}
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Item::update($item, ['uri' => $activity['id']]);
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}
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/**
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* Prepares data for a message
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*
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* @param array $activity Activity array
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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* @throws \ImagickException
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*/
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public static function createItem($activity)
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{
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$item = [];
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$item['verb'] = Activity::POST;
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$item['thr-parent'] = $activity['reply-to-id'];
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if ($activity['reply-to-id'] == $activity['id']) {
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$item['gravity'] = GRAVITY_PARENT;
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$item['object-type'] = Activity\ObjectType::NOTE;
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} else {
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$item['gravity'] = GRAVITY_COMMENT;
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$item['object-type'] = Activity\ObjectType::COMMENT;
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// Ensure that the comment reaches all receivers of the referring post
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$activity['receiver'] = self::addReceivers($activity);
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}
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if (empty($activity['directmessage']) && ($activity['id'] != $activity['reply-to-id']) && !Item::exists(['uri' => $activity['reply-to-id']])) {
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Logger::log('Parent ' . $activity['reply-to-id'] . ' not found. Try to refetch it.');
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self::fetchMissingActivity($activity['reply-to-id'], $activity);
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}
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$item['diaspora_signed_text'] = $activity['diaspora:comment'] ?? '';
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self::postItem($activity, $item);
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}
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/**
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* Delete items
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*
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* @param array $activity
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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* @throws \ImagickException
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*/
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public static function deleteItem($activity)
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{
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$owner = Contact::getIdForURL($activity['actor']);
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Logger::log('Deleting item ' . $activity['object_id'] . ' from ' . $owner, Logger::DEBUG);
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Item::delete(['uri' => $activity['object_id'], 'owner-id' => $owner]);
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}
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/**
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* Prepare the item array for an activity
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*
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* @param array $activity Activity array
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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* @throws \ImagickException
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*/
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public static function addTag($activity)
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{
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if (empty($activity['object_content']) || empty($activity['object_id'])) {
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return;
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}
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foreach ($activity['receiver'] as $receiver) {
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$item = Item::selectFirst(['id', 'tag', 'origin', 'author-link'], ['uri' => $activity['target_id'], 'uid' => $receiver]);
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if (!DBA::isResult($item)) {
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// We don't fetch missing content for this purpose
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continue;
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}
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if (($item['author-link'] != $activity['actor']) && !$item['origin']) {
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Logger::info('Not origin, not from the author, skipping update', ['id' => $item['id'], 'author' => $item['author-link'], 'actor' => $activity['actor']]);
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continue;
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}
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// To-Do:
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// - Check if "blocktag" is set
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// - Check if actor is a contact
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if (!stristr($item['tag'], trim($activity['object_content']))) {
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$tag = $item['tag'] . (strlen($item['tag']) ? ',' : '') . '#[url=' . $activity['object_id'] . ']'. $activity['object_content'] . '[/url]';
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Item::update(['tag' => $tag], ['id' => $item['id']]);
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Logger::info('Tagged item', ['id' => $item['id'], 'tag' => $activity['object_content'], 'uri' => $activity['target_id'], 'actor' => $activity['actor']]);
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}
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}
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}
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/**
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* Add users to the receiver list of the given public activity.
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* This is used to ensure that the activity will be stored in every thread.
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*
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* @param array $activity Activity array
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* @return array Modified receiver list
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*/
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private static function addReceivers(array $activity)
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{
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if (!in_array(0, $activity['receiver'])) {
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// Private activities will not be modified
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return $activity['receiver'];
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}
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// Add all owners of the referring item to the receivers
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$original = $receivers = $activity['receiver'];
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$items = Item::select(['uid'], ['uri' => $activity['object_id']]);
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while ($item = DBA::fetch($items)) {
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$receivers['uid:' . $item['uid']] = $item['uid'];
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}
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DBA::close($items);
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if (count($original) != count($receivers)) {
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Logger::info('Improved data', ['id' => $activity['id'], 'object' => $activity['object_id'], 'original' => $original, 'improved' => $receivers]);
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}
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return $receivers;
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}
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/**
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* Prepare the item array for an activity
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*
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* @param array $activity Activity array
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* @param string $verb Activity verb
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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* @throws \ImagickException
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*/
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public static function createActivity($activity, $verb)
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{
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$item = [];
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$item['verb'] = $verb;
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$item['thr-parent'] = $activity['object_id'];
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$item['gravity'] = GRAVITY_ACTIVITY;
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$item['object-type'] = Activity\ObjectType::NOTE;
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$item['diaspora_signed_text'] = $activity['diaspora:like'] ?? '';
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$activity['receiver'] = self::addReceivers($activity);
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self::postItem($activity, $item);
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}
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/**
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* Create an event
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*
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* @param array $activity Activity array
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* @param array $item
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* @throws \Exception
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*/
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public static function createEvent($activity, $item)
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{
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$event['summary'] = HTML::toBBCode($activity['name']);
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$event['desc'] = HTML::toBBCode($activity['content']);
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$event['start'] = $activity['start-time'];
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$event['finish'] = $activity['end-time'];
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$event['nofinish'] = empty($event['finish']);
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$event['location'] = $activity['location'];
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$event['adjust'] = true;
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$event['cid'] = $item['contact-id'];
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$event['uid'] = $item['uid'];
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$event['uri'] = $item['uri'];
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$event['edited'] = $item['edited'];
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$event['private'] = $item['private'];
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$event['guid'] = $item['guid'];
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$event['plink'] = $item['plink'];
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$condition = ['uri' => $item['uri'], 'uid' => $item['uid']];
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$ev = DBA::selectFirst('event', ['id'], $condition);
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if (DBA::isResult($ev)) {
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$event['id'] = $ev['id'];
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}
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$event_id = Event::store($event);
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Logger::log('Event '.$event_id.' was stored', Logger::DEBUG);
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}
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/**
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* Process the content
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*
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* @param array $activity Activity array
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* @param array $item
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* @return array|bool Returns the item array or false if there was an unexpected occurrence
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* @throws \Exception
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*/
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private static function processContent($activity, $item)
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{
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$item['title'] = HTML::toBBCode($activity['name']);
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if (!empty($activity['source'])) {
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$item['body'] = $activity['source'];
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} else {
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$content = HTML::toBBCode($activity['content']);
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if (!empty($activity['emojis'])) {
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$content = self::replaceEmojis($content, $activity['emojis']);
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}
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$content = self::convertMentions($content);
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if (empty($activity['directmessage']) && ($item['thr-parent'] != $item['uri']) && ($item['gravity'] == GRAVITY_COMMENT)) {
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$item_private = !in_array(0, $activity['item_receiver']);
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$parent = Item::selectFirst(['id', 'private', 'author-link', 'alias'], ['uri' => $item['thr-parent']]);
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if (!DBA::isResult($parent)) {
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Logger::warning('Unknown parent item.', ['uri' => $item['thr-parent']]);
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return false;
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}
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if ($item_private && !$parent['private']) {
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Logger::warning('Item is private but the parent is not. Dropping.', ['item-uri' => $item['uri'], 'thr-parent' => $item['thr-parent']]);
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return false;
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}
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$potential_implicit_mentions = self::getImplicitMentionList($parent);
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$content = self::removeImplicitMentionsFromBody($content, $potential_implicit_mentions);
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$activity['tags'] = self::convertImplicitMentionsInTags($activity['tags'], $potential_implicit_mentions);
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}
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$item['content-warning'] = HTML::toBBCode($activity['summary']);
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$item['body'] = $content;
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if (($activity['object_type'] == 'as:Video') && !empty($activity['alternate-url'])) {
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$item['body'] .= "\n[video]" . $activity['alternate-url'] . '[/video]';
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}
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}
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$item['tag'] = self::constructTagString($activity['tags'], $activity['sensitive']);
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$item['location'] = $activity['location'];
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if (!empty($item['latitude']) && !empty($item['longitude'])) {
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$item['coord'] = $item['latitude'] . ' ' . $item['longitude'];
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}
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$item['app'] = $activity['generator'];
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return $item;
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}
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/**
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* Creates an item post
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*
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* @param array $activity Activity data
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* @param array $item item array
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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* @throws \ImagickException
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*/
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private static function postItem($activity, $item)
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{
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/// @todo What to do with $activity['context']?
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if (empty($activity['directmessage']) && ($item['gravity'] != GRAVITY_PARENT) && !Item::exists(['uri' => $item['thr-parent']])) {
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Logger::info('Parent not found, message will be discarded.', ['thr-parent' => $item['thr-parent']]);
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return;
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}
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$item['network'] = Protocol::ACTIVITYPUB;
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$item['private'] = !in_array(0, $activity['receiver']);
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$item['author-link'] = $activity['author'];
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$item['author-id'] = Contact::getIdForURL($activity['author'], 0, true);
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$item['owner-link'] = $activity['actor'];
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$item['owner-id'] = Contact::getIdForURL($activity['actor'], 0, true);
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$isForum = false;
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if (!empty($activity['thread-completion'])) {
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// Store the original actor in the "causer" fields to enable the check for ignored or blocked contacts
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$item['causer-link'] = $item['owner-link'];
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$item['causer-id'] = $item['owner-id'];
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Logger::info('Ignoring actor because of thread completion.', ['actor' => $item['owner-link']]);
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$item['owner-link'] = $item['author-link'];
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$item['owner-id'] = $item['author-id'];
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} else {
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$actor = APContact::getByURL($item['owner-link'], false);
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$isForum = ($actor['type'] == 'Group');
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}
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$item['uri'] = $activity['id'];
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$item['created'] = DateTimeFormat::utc($activity['published']);
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$item['edited'] = DateTimeFormat::utc($activity['updated']);
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$item['guid'] = $activity['diaspora:guid'];
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$item = self::processContent($activity, $item);
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if (empty($item)) {
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return;
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}
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$item['plink'] = $activity['alternate-url'] ?? $item['uri'];
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$item = self::constructAttachList($activity, $item);
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$stored = false;
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foreach ($activity['receiver'] as $receiver) {
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$item['uid'] = $receiver;
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if ($isForum) {
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$item['contact-id'] = Contact::getIdForURL($activity['actor'], $receiver, true);
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} else {
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$item['contact-id'] = Contact::getIdForURL($activity['author'], $receiver, true);
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}
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if (($receiver != 0) && empty($item['contact-id'])) {
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$item['contact-id'] = Contact::getIdForURL($activity['author'], 0, true);
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}
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if (!empty($activity['directmessage'])) {
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self::postMail($activity, $item);
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continue;
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}
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if (PConfig::get($receiver, 'system', 'accept_only_sharer', false) && ($receiver != 0) && ($item['gravity'] == GRAVITY_PARENT)) {
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$skip = !Contact::isSharingByURL($activity['author'], $receiver);
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if ($skip && (($activity['type'] == 'as:Announce') || $isForum)) {
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$skip = !Contact::isSharingByURL($activity['actor'], $receiver);
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}
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if ($skip) {
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Logger::info('Skipping post', ['uid' => $receiver, 'url' => $item['uri']]);
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continue;
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}
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Logger::info('Accepting post', ['uid' => $receiver, 'url' => $item['uri']]);
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}
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if ($activity['object_type'] == 'as:Event') {
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self::createEvent($activity, $item);
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}
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$item_id = Item::insert($item);
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if ($item_id) {
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Logger::info('Item insertion successful', ['user' => $item['uid'], 'item_id' => $item_id]);
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} else {
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Logger::notice('Item insertion aborted', ['user' => $item['uid']]);
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}
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if ($item['uid'] == 0) {
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$stored = $item_id;
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}
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}
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// Store send a follow request for every reshare - but only when the item had been stored
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if ($stored && !$item['private'] && ($item['gravity'] == GRAVITY_PARENT) && ($item['author-link'] != $item['owner-link'])) {
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$author = APContact::getByURL($item['owner-link'], false);
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// We send automatic follow requests for reshared messages. (We don't need though for forum posts)
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if ($author['type'] != 'Group') {
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Logger::log('Send follow request for ' . $item['uri'] . ' (' . $stored . ') to ' . $item['author-link'], Logger::DEBUG);
|
|
ActivityPub\Transmitter::sendFollowObject($item['uri'], $item['author-link']);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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, 2, 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 $child activity array with the child of this message
|
|
* @return boolean success
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
*/
|
|
public static function fetchMissingActivity($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 ' . $url . ' was not fetchable, aborting.');
|
|
return false;
|
|
}
|
|
|
|
if (empty($object['id'])) {
|
|
Logger::log('Activity ' . $url . ' has got not id, aborting. ' . json_encode($object));
|
|
return false;
|
|
}
|
|
|
|
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);
|
|
Logger::log('Activity ' . $url . ' had been fetched and processed.');
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* 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'], $item['author-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::log('Updating profile for ' . $activity['object_id'], Logger::DEBUG);
|
|
Contact::updateFromProbeByURL($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::log('Empty object id or actor.', Logger::DEBUG);
|
|
return;
|
|
}
|
|
|
|
if ($activity['object_id'] != $activity['actor']) {
|
|
Logger::log('Object id does not match actor.', Logger::DEBUG);
|
|
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::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)
|
|
{
|
|
$uid = User::getIdForURL($activity['object_actor']);
|
|
if (empty($uid)) {
|
|
return;
|
|
}
|
|
|
|
$cid = Contact::getIdForURL($activity['actor'], $uid);
|
|
if (empty($cid)) {
|
|
Logger::log('No contact found for ' . $activity['actor'], Logger::DEBUG);
|
|
return;
|
|
}
|
|
|
|
self::switchContact($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::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)
|
|
{
|
|
$uid = User::getIdForURL($activity['object_actor']);
|
|
if (empty($uid)) {
|
|
return;
|
|
}
|
|
|
|
$cid = Contact::getIdForURL($activity['actor'], $uid);
|
|
if (empty($cid)) {
|
|
Logger::log('No contact found for ' . $activity['actor'], Logger::DEBUG);
|
|
return;
|
|
}
|
|
|
|
self::switchContact($cid);
|
|
|
|
if (DBA::exists('contact', ['id' => $cid, 'rel' => Contact::SHARING])) {
|
|
Contact::remove($cid);
|
|
Logger::log('Rejected contact request from contact ' . $cid . ' for user ' . $uid . ' - contact had been removed.', Logger::DEBUG);
|
|
} else {
|
|
Logger::log('Rejected contact request from contact ' . $cid . ' for user ' . $uid . '.', Logger::DEBUG);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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::delete(['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::log('No contact found for ' . $activity['actor'], Logger::DEBUG);
|
|
return;
|
|
}
|
|
|
|
self::switchContact($cid);
|
|
|
|
$contact = DBA::selectFirst('contact', [], ['id' => $cid]);
|
|
if (!DBA::isResult($contact)) {
|
|
return;
|
|
}
|
|
|
|
Contact::removeFollower($owner, $contact);
|
|
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)
|
|
{
|
|
$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)
|
|
{
|
|
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;
|
|
}
|
|
}
|