4264 lines
129 KiB
PHP
4264 lines
129 KiB
PHP
<?php
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/**
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* @copyright Copyright (C) 2020, Friendica
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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namespace Friendica\Protocol;
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use Friendica\Content\Feature;
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use Friendica\Content\PageInfo;
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use Friendica\Content\Text\BBCode;
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use Friendica\Content\Text\Markdown;
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use Friendica\Core\Cache\Duration;
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use Friendica\Core\Logger;
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use Friendica\Core\Protocol;
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use Friendica\Core\System;
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use Friendica\Core\Worker;
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use Friendica\Database\DBA;
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use Friendica\DI;
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use Friendica\Model\Contact;
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use Friendica\Model\Conversation;
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use Friendica\Model\FContact;
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use Friendica\Model\Item;
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use Friendica\Model\ItemURI;
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use Friendica\Model\Mail;
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use Friendica\Model\Post;
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use Friendica\Model\Tag;
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use Friendica\Model\User;
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use Friendica\Network\Probe;
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use Friendica\Util\Crypto;
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use Friendica\Util\DateTimeFormat;
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use Friendica\Util\Map;
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use Friendica\Util\Network;
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use Friendica\Util\Strings;
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use Friendica\Util\XML;
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use Friendica\Worker\Delivery;
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use SimpleXMLElement;
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/**
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* This class contain functions to create and send Diaspora XML files
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*/
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class Diaspora
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{
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/**
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* Mark the relay contact of the given contact for archival
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* This is called whenever there is a communication issue with the server.
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* It avoids sending stuff to servers who don't exist anymore.
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* The relay contact is a technical contact entry that exists once per server.
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*
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* @param array $contact of the relay contact
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*/
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public static function markRelayForArchival(array $contact)
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{
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if (!empty($contact['contact-type']) && ($contact['contact-type'] == Contact::TYPE_RELAY)) {
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// This is already the relay contact, we don't need to fetch it
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$relay_contact = $contact;
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} elseif (empty($contact['baseurl'])) {
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if (!empty($contact['batch'])) {
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$condition = ['uid' => 0, 'network' => Protocol::FEDERATED, 'batch' => $contact['batch'], 'contact-type' => Contact::TYPE_RELAY];
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$relay_contact = DBA::selectFirst('contact', [], $condition);
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} else {
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return;
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}
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} else {
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$relay_contact = self::getRelayContact($contact['baseurl'], []);
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}
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if (!empty($relay_contact)) {
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Logger::info('Relay contact will be marked for archival', ['id' => $relay_contact['id'], 'url' => $relay_contact['url']]);
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Contact::markForArchival($relay_contact);
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}
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}
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/**
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* Return a list of relay servers
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*
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* The list contains not only the official relays but also servers that we serve directly
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*
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* @param integer $item_id The id of the item that is sent
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* @param array $contacts The previously fetched contacts
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*
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* @return array of relay servers
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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*/
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public static function relayList($item_id, array $contacts = [])
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{
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$serverlist = [];
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// Fetching relay servers
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$serverdata = DI::config()->get("system", "relay_server");
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if (!empty($serverdata)) {
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$servers = explode(",", $serverdata);
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foreach ($servers as $server) {
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$serverlist[$server] = trim($server);
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}
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}
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if (DI::config()->get("system", "relay_directly", false)) {
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// We distribute our stuff based on the parent to ensure that the thread will be complete
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$parent = Item::selectFirst(['uri-id'], ['id' => $item_id]);
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if (!DBA::isResult($parent)) {
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return;
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}
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// Servers that want to get all content
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$servers = DBA::select('gserver', ['url'], ['relay-subscribe' => true, 'relay-scope' => 'all']);
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while ($server = DBA::fetch($servers)) {
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$serverlist[$server['url']] = $server['url'];
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}
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DBA::close($servers);
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// All tags of the current post
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$tags = DBA::select('tag-view', ['name'], ['uri-id' => $parent['uri-id'], 'type' => Tag::HASHTAG]);
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$taglist = [];
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while ($tag = DBA::fetch($tags)) {
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$taglist[] = $tag['name'];
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}
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DBA::close($tags);
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// All servers who wants content with this tag
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$tagserverlist = [];
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if (!empty($taglist)) {
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$tagserver = DBA::select('gserver-tag', ['gserver-id'], ['tag' => $taglist]);
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while ($server = DBA::fetch($tagserver)) {
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$tagserverlist[] = $server['gserver-id'];
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}
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DBA::close($tagserver);
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}
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// All adresses with the given id
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if (!empty($tagserverlist)) {
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$servers = DBA::select('gserver', ['url'], ['relay-subscribe' => true, 'relay-scope' => 'tags', 'id' => $tagserverlist]);
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while ($server = DBA::fetch($servers)) {
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$serverlist[$server['url']] = $server['url'];
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}
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DBA::close($servers);
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}
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}
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// Now we are collecting all relay contacts
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foreach ($serverlist as $server_url) {
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// We don't send messages to ourselves
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if (Strings::compareLink($server_url, DI::baseUrl())) {
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continue;
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}
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$contact = self::getRelayContact($server_url);
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if (is_bool($contact)) {
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continue;
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}
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$exists = false;
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foreach ($contacts as $entry) {
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if ($entry['batch'] == $contact['batch']) {
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$exists = true;
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}
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}
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if (!$exists) {
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$contacts[] = $contact;
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}
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}
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return $contacts;
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}
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/**
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* Return a contact for a given server address or creates a dummy entry
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*
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* @param string $server_url The url of the server
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* @param array $fields Fieldlist
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* @return array with the contact
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* @throws \Exception
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*/
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private static function getRelayContact(string $server_url, array $fields = ['batch', 'id', 'url', 'name', 'network', 'protocol', 'archive', 'blocked'])
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{
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// Fetch the relay contact
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$condition = ['uid' => 0, 'nurl' => Strings::normaliseLink($server_url),
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'contact-type' => Contact::TYPE_RELAY];
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$contact = DBA::selectFirst('contact', $fields, $condition);
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if (DBA::isResult($contact)) {
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if ($contact['archive'] || $contact['blocked']) {
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return false;
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}
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return $contact;
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} else {
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self::setRelayContact($server_url);
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$contact = DBA::selectFirst('contact', $fields, $condition);
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if (DBA::isResult($contact)) {
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return $contact;
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}
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}
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// It should never happen that we arrive here
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return [];
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}
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/**
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* Update or insert a relay contact
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*
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* @param string $server_url The url of the server
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* @param array $network_fields Optional network specific fields
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* @throws \Exception
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*/
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public static function setRelayContact($server_url, array $network_fields = [])
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{
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$fields = ['created' => DateTimeFormat::utcNow(),
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'name' => 'relay', 'nick' => 'relay', 'url' => $server_url,
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'nurl' => Strings::normaliseLink($server_url),
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'network' => Protocol::DIASPORA, 'uid' => 0,
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'batch' => $server_url . '/receive/public',
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'rel' => Contact::FOLLOWER, 'blocked' => false,
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'pending' => false, 'writable' => true,
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'baseurl' => $server_url, 'contact-type' => Contact::TYPE_RELAY];
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$fields = array_merge($fields, $network_fields);
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$condition = ['uid' => 0, 'nurl' => Strings::normaliseLink($server_url)];
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$old = DBA::selectFirst('contact', [], $condition);
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if (DBA::isResult($old)) {
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unset($fields['created']);
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$condition = ['id' => $old['id']];
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Logger::info('Update relay contact', ['fields' => $fields, 'condition' => $condition]);
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DBA::update('contact', $fields, $condition, $old);
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} else {
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Logger::info('Create relay contact', ['fields' => $fields]);
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Contact::insert($fields);
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}
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}
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/**
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* Return a list of participating contacts for a thread
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*
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* This is used for the participation feature.
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* One of the parameters is a contact array.
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* This is done to avoid duplicates.
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*
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* @param array $item Item that is about to be delivered
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* @param array $contacts The previously fetched contacts
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*
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* @return array of relay servers
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* @throws \Exception
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*/
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public static function participantsForThread(array $item, array $contacts)
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{
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if (!in_array($item['private'], [Item::PUBLIC, Item::UNLISTED]) || in_array($item["verb"], [Activity::FOLLOW, Activity::TAG])) {
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Logger::info('Item is private or a participation request. It will not be relayed', ['guid' => $item['guid'], 'private' => $item['private'], 'verb' => $item['verb']]);
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return $contacts;
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}
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$items = Item::select(['author-id', 'author-link', 'parent-author-link', 'parent-guid', 'guid'],
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['parent' => $item['parent'], 'gravity' => [GRAVITY_COMMENT, GRAVITY_ACTIVITY]]);
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while ($item = DBA::fetch($items)) {
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$contact = DBA::selectFirst('contact', ['id', 'url', 'name', 'protocol', 'batch', 'network'],
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['id' => $item['author-id']]);
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if (!DBA::isResult($contact) || empty($contact['batch']) ||
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($contact['network'] != Protocol::DIASPORA) ||
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Strings::compareLink($item['parent-author-link'], $item['author-link'])) {
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continue;
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}
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$exists = false;
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foreach ($contacts as $entry) {
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if ($entry['batch'] == $contact['batch']) {
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$exists = true;
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}
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}
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if (!$exists) {
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Logger::info('Add participant to receiver list', ['parent' => $item['parent-guid'], 'item' => $item['guid'], 'participant' => $contact['url']]);
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$contacts[] = $contact;
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}
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}
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DBA::close($items);
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return $contacts;
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}
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/**
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* verify the envelope and return the verified data
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*
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* @param string $envelope The magic envelope
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*
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* @return string verified data
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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* @throws \ImagickException
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*/
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private static function verifyMagicEnvelope($envelope)
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{
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$basedom = XML::parseString($envelope, true);
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if (!is_object($basedom)) {
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Logger::log("Envelope is no XML file");
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return false;
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}
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$children = $basedom->children('http://salmon-protocol.org/ns/magic-env');
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if (sizeof($children) == 0) {
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Logger::log("XML has no children");
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return false;
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}
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$handle = "";
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$data = Strings::base64UrlDecode($children->data);
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$type = $children->data->attributes()->type[0];
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$encoding = $children->encoding;
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$alg = $children->alg;
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$sig = Strings::base64UrlDecode($children->sig);
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$key_id = $children->sig->attributes()->key_id[0];
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if ($key_id != "") {
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$handle = Strings::base64UrlDecode($key_id);
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}
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$b64url_data = Strings::base64UrlEncode($data);
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$msg = str_replace(["\n", "\r", " ", "\t"], ["", "", "", ""], $b64url_data);
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$signable_data = $msg.".".Strings::base64UrlEncode($type).".".Strings::base64UrlEncode($encoding).".".Strings::base64UrlEncode($alg);
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if ($handle == '') {
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Logger::log('No author could be decoded. Discarding. Message: ' . $envelope);
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return false;
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}
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$key = self::key($handle);
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if ($key == '') {
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Logger::log("Couldn't get a key for handle " . $handle . ". Discarding.");
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return false;
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}
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$verify = Crypto::rsaVerify($signable_data, $sig, $key);
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if (!$verify) {
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Logger::log('Message from ' . $handle . ' did not verify. Discarding.');
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return false;
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}
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return $data;
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}
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/**
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* encrypts data via AES
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*
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* @param string $key The AES key
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* @param string $iv The IV (is used for CBC encoding)
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* @param string $data The data that is to be encrypted
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*
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* @return string encrypted data
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*/
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private static function aesEncrypt($key, $iv, $data)
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{
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return openssl_encrypt($data, 'aes-256-cbc', str_pad($key, 32, "\0"), OPENSSL_RAW_DATA, str_pad($iv, 16, "\0"));
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}
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/**
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* decrypts data via AES
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*
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* @param string $key The AES key
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* @param string $iv The IV (is used for CBC encoding)
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* @param string $encrypted The encrypted data
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*
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* @return string decrypted data
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*/
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private static function aesDecrypt($key, $iv, $encrypted)
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{
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return openssl_decrypt($encrypted, 'aes-256-cbc', str_pad($key, 32, "\0"), OPENSSL_RAW_DATA, str_pad($iv, 16, "\0"));
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}
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/**
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* Decodes incoming Diaspora message in the new format
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*
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* @param string $raw raw post message
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* @param string $privKey The private key of the importer
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* @param boolean $no_exit Don't do an http exit on error
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*
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* @return array
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* 'message' -> decoded Diaspora XML message
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* 'author' -> author diaspora handle
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* 'key' -> author public key (converted to pkcs#8)
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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 decodeRaw(string $raw, string $privKey = '', bool $no_exit = false)
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{
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$data = json_decode($raw);
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// Is it a private post? Then decrypt the outer Salmon
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if (is_object($data)) {
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$encrypted_aes_key_bundle = base64_decode($data->aes_key);
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$ciphertext = base64_decode($data->encrypted_magic_envelope);
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$outer_key_bundle = '';
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@openssl_private_decrypt($encrypted_aes_key_bundle, $outer_key_bundle, $privKey);
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$j_outer_key_bundle = json_decode($outer_key_bundle);
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if (!is_object($j_outer_key_bundle)) {
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Logger::log('Outer Salmon did not verify. Discarding.');
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if ($no_exit) {
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return false;
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} else {
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throw new \Friendica\Network\HTTPException\BadRequestException();
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}
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}
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$outer_iv = base64_decode($j_outer_key_bundle->iv);
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$outer_key = base64_decode($j_outer_key_bundle->key);
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$xml = self::aesDecrypt($outer_key, $outer_iv, $ciphertext);
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} else {
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$xml = $raw;
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}
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$basedom = XML::parseString($xml, true);
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if (!is_object($basedom)) {
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Logger::log('Received data does not seem to be an XML. Discarding. '.$xml);
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if ($no_exit) {
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return false;
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} else {
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throw new \Friendica\Network\HTTPException\BadRequestException();
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}
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}
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$base = $basedom->children(ActivityNamespace::SALMON_ME);
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// Not sure if this cleaning is needed
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$data = str_replace([" ", "\t", "\r", "\n"], ["", "", "", ""], $base->data);
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// Build the signed data
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$type = $base->data[0]->attributes()->type[0];
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$encoding = $base->encoding;
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$alg = $base->alg;
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$signed_data = $data.'.'.Strings::base64UrlEncode($type).'.'.Strings::base64UrlEncode($encoding).'.'.Strings::base64UrlEncode($alg);
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// This is the signature
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$signature = Strings::base64UrlDecode($base->sig);
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// Get the senders' public key
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$key_id = $base->sig[0]->attributes()->key_id[0];
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$author_addr = base64_decode($key_id);
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if ($author_addr == '') {
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Logger::log('No author could be decoded. Discarding. Message: ' . $xml);
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if ($no_exit) {
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return false;
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} else {
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throw new \Friendica\Network\HTTPException\BadRequestException();
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}
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}
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$key = self::key($author_addr);
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if ($key == '') {
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Logger::log("Couldn't get a key for handle " . $author_addr . ". Discarding.");
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if ($no_exit) {
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return false;
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} else {
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throw new \Friendica\Network\HTTPException\BadRequestException();
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}
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}
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$verify = Crypto::rsaVerify($signed_data, $signature, $key);
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if (!$verify) {
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Logger::log('Message did not verify. Discarding.');
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if ($no_exit) {
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return false;
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} else {
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throw new \Friendica\Network\HTTPException\BadRequestException();
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}
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}
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return ['message' => (string)Strings::base64UrlDecode($base->data),
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'author' => XML::unescape($author_addr),
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'key' => (string)$key];
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}
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/**
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* Decodes incoming Diaspora message in the deprecated format
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*
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* @param string $xml urldecoded Diaspora salmon
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* @param string $privKey The private key of the importer
|
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*
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* @return array
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* 'message' -> decoded Diaspora XML message
|
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* 'author' -> author diaspora handle
|
|
* 'key' -> author public key (converted to pkcs#8)
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
public static function decode(string $xml, string $privKey = '')
|
|
{
|
|
$public = false;
|
|
$basedom = XML::parseString($xml);
|
|
|
|
if (!is_object($basedom)) {
|
|
Logger::notice('XML is not parseable.');
|
|
return false;
|
|
}
|
|
$children = $basedom->children('https://joindiaspora.com/protocol');
|
|
|
|
$inner_aes_key = null;
|
|
$inner_iv = null;
|
|
|
|
if ($children->header) {
|
|
$public = true;
|
|
$author_link = str_replace('acct:', '', $children->header->author_id);
|
|
} else {
|
|
// This happens with posts from a relais
|
|
if (empty($privKey)) {
|
|
Logger::info('This is no private post in the old format');
|
|
return false;
|
|
}
|
|
|
|
$encrypted_header = json_decode(base64_decode($children->encrypted_header));
|
|
|
|
$encrypted_aes_key_bundle = base64_decode($encrypted_header->aes_key);
|
|
$ciphertext = base64_decode($encrypted_header->ciphertext);
|
|
|
|
$outer_key_bundle = '';
|
|
openssl_private_decrypt($encrypted_aes_key_bundle, $outer_key_bundle, $privKey);
|
|
|
|
$j_outer_key_bundle = json_decode($outer_key_bundle);
|
|
|
|
$outer_iv = base64_decode($j_outer_key_bundle->iv);
|
|
$outer_key = base64_decode($j_outer_key_bundle->key);
|
|
|
|
$decrypted = self::aesDecrypt($outer_key, $outer_iv, $ciphertext);
|
|
|
|
Logger::info('decrypted', ['data' => $decrypted]);
|
|
$idom = XML::parseString($decrypted);
|
|
|
|
$inner_iv = base64_decode($idom->iv);
|
|
$inner_aes_key = base64_decode($idom->aes_key);
|
|
|
|
$author_link = str_replace('acct:', '', $idom->author_id);
|
|
}
|
|
|
|
$dom = $basedom->children(ActivityNamespace::SALMON_ME);
|
|
|
|
// figure out where in the DOM tree our data is hiding
|
|
|
|
$base = null;
|
|
if ($dom->provenance->data) {
|
|
$base = $dom->provenance;
|
|
} elseif ($dom->env->data) {
|
|
$base = $dom->env;
|
|
} elseif ($dom->data) {
|
|
$base = $dom;
|
|
}
|
|
|
|
if (!$base) {
|
|
Logger::log('unable to locate salmon data in xml');
|
|
throw new \Friendica\Network\HTTPException\BadRequestException();
|
|
}
|
|
|
|
|
|
// Stash the signature away for now. We have to find their key or it won't be good for anything.
|
|
$signature = Strings::base64UrlDecode($base->sig);
|
|
|
|
// unpack the data
|
|
|
|
// strip whitespace so our data element will return to one big base64 blob
|
|
$data = str_replace([" ", "\t", "\r", "\n"], ["", "", "", ""], $base->data);
|
|
|
|
|
|
// stash away some other stuff for later
|
|
|
|
$type = $base->data[0]->attributes()->type[0];
|
|
$keyhash = $base->sig[0]->attributes()->keyhash[0];
|
|
$encoding = $base->encoding;
|
|
$alg = $base->alg;
|
|
|
|
|
|
$signed_data = $data.'.'.Strings::base64UrlEncode($type).'.'.Strings::base64UrlEncode($encoding).'.'.Strings::base64UrlEncode($alg);
|
|
|
|
|
|
// decode the data
|
|
$data = Strings::base64UrlDecode($data);
|
|
|
|
|
|
if ($public) {
|
|
$inner_decrypted = $data;
|
|
} else {
|
|
// Decode the encrypted blob
|
|
$inner_encrypted = base64_decode($data);
|
|
$inner_decrypted = self::aesDecrypt($inner_aes_key, $inner_iv, $inner_encrypted);
|
|
}
|
|
|
|
if (!$author_link) {
|
|
Logger::log('Could not retrieve author URI.');
|
|
throw new \Friendica\Network\HTTPException\BadRequestException();
|
|
}
|
|
// Once we have the author URI, go to the web and try to find their public key
|
|
// (first this will look it up locally if it is in the fcontact cache)
|
|
// This will also convert diaspora public key from pkcs#1 to pkcs#8
|
|
|
|
Logger::log('Fetching key for '.$author_link);
|
|
$key = self::key($author_link);
|
|
|
|
if (!$key) {
|
|
Logger::log('Could not retrieve author key.');
|
|
throw new \Friendica\Network\HTTPException\BadRequestException();
|
|
}
|
|
|
|
$verify = Crypto::rsaVerify($signed_data, $signature, $key);
|
|
|
|
if (!$verify) {
|
|
Logger::log('Message did not verify. Discarding.');
|
|
throw new \Friendica\Network\HTTPException\BadRequestException();
|
|
}
|
|
|
|
Logger::log('Message verified.');
|
|
|
|
return ['message' => (string)$inner_decrypted,
|
|
'author' => XML::unescape($author_link),
|
|
'key' => (string)$key];
|
|
}
|
|
|
|
|
|
/**
|
|
* Dispatches public messages and find the fitting receivers
|
|
*
|
|
* @param array $msg The post that will be dispatched
|
|
* @param bool $fetched The message had been fetched (default "false")
|
|
*
|
|
* @return int The message id of the generated message, "true" or "false" if there was an error
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
public static function dispatchPublic($msg, bool $fetched = false)
|
|
{
|
|
$enabled = intval(DI::config()->get("system", "diaspora_enabled"));
|
|
if (!$enabled) {
|
|
Logger::log("diaspora is disabled");
|
|
return false;
|
|
}
|
|
|
|
if (!($fields = self::validPosting($msg))) {
|
|
Logger::log("Invalid posting");
|
|
return false;
|
|
}
|
|
|
|
$importer = ["uid" => 0, "page-flags" => User::PAGE_FLAGS_FREELOVE];
|
|
$success = self::dispatch($importer, $msg, $fields, $fetched);
|
|
|
|
return $success;
|
|
}
|
|
|
|
/**
|
|
* Dispatches the different message types to the different functions
|
|
*
|
|
* @param array $importer Array of the importer user
|
|
* @param array $msg The post that will be dispatched
|
|
* @param SimpleXMLElement $fields SimpleXML object that contains the message
|
|
* @param bool $fetched The message had been fetched (default "false")
|
|
*
|
|
* @return int The message id of the generated message, "true" or "false" if there was an error
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
public static function dispatch(array $importer, $msg, SimpleXMLElement $fields = null, bool $fetched = false)
|
|
{
|
|
// The sender is the handle of the contact that sent the message.
|
|
// This will often be different with relayed messages (for example "like" and "comment")
|
|
$sender = $msg["author"];
|
|
|
|
// This is only needed for private postings since this is already done for public ones before
|
|
if (is_null($fields)) {
|
|
$private = true;
|
|
if (!($fields = self::validPosting($msg))) {
|
|
Logger::log("Invalid posting");
|
|
return false;
|
|
}
|
|
} else {
|
|
$private = false;
|
|
}
|
|
|
|
$type = $fields->getName();
|
|
|
|
Logger::info('Received message', ['type' => $type, 'sender' => $sender, 'user' => $importer["uid"]]);
|
|
|
|
switch ($type) {
|
|
case "account_migration":
|
|
if (!$private) {
|
|
Logger::log('Message with type ' . $type . ' is not private, quitting.');
|
|
return false;
|
|
}
|
|
return self::receiveAccountMigration($importer, $fields);
|
|
|
|
case "account_deletion":
|
|
return self::receiveAccountDeletion($fields);
|
|
|
|
case "comment":
|
|
return self::receiveComment($importer, $sender, $fields, $msg["message"], $fetched);
|
|
|
|
case "contact":
|
|
if (!$private) {
|
|
Logger::log('Message with type ' . $type . ' is not private, quitting.');
|
|
return false;
|
|
}
|
|
return self::receiveContactRequest($importer, $fields);
|
|
|
|
case "conversation":
|
|
if (!$private) {
|
|
Logger::log('Message with type ' . $type . ' is not private, quitting.');
|
|
return false;
|
|
}
|
|
return self::receiveConversation($importer, $msg, $fields);
|
|
|
|
case "like":
|
|
return self::receiveLike($importer, $sender, $fields);
|
|
|
|
case "message":
|
|
if (!$private) {
|
|
Logger::log('Message with type ' . $type . ' is not private, quitting.');
|
|
return false;
|
|
}
|
|
return self::receiveMessage($importer, $fields);
|
|
|
|
case "participation":
|
|
if (!$private) {
|
|
Logger::log('Message with type ' . $type . ' is not private, quitting.');
|
|
return false;
|
|
}
|
|
return self::receiveParticipation($importer, $fields);
|
|
|
|
case "photo": // Not implemented
|
|
return self::receivePhoto($importer, $fields);
|
|
|
|
case "poll_participation": // Not implemented
|
|
return self::receivePollParticipation($importer, $fields);
|
|
|
|
case "profile":
|
|
if (!$private) {
|
|
Logger::log('Message with type ' . $type . ' is not private, quitting.');
|
|
return false;
|
|
}
|
|
return self::receiveProfile($importer, $fields);
|
|
|
|
case "reshare":
|
|
return self::receiveReshare($importer, $fields, $msg["message"]);
|
|
|
|
case "retraction":
|
|
return self::receiveRetraction($importer, $sender, $fields);
|
|
|
|
case "status_message":
|
|
return self::receiveStatusMessage($importer, $fields, $msg["message"], $fetched);
|
|
|
|
default:
|
|
Logger::log("Unknown message type ".$type);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Checks if a posting is valid and fetches the data fields.
|
|
*
|
|
* This function does not only check the signature.
|
|
* It also does the conversion between the old and the new diaspora format.
|
|
*
|
|
* @param array $msg Array with the XML, the sender handle and the sender signature
|
|
*
|
|
* @return bool|SimpleXMLElement If the posting is valid then an array with an SimpleXML object is returned
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
private static function validPosting($msg)
|
|
{
|
|
$data = XML::parseString($msg["message"]);
|
|
|
|
if (!is_object($data)) {
|
|
Logger::info('No valid XML', ['message' => $msg['message']]);
|
|
return false;
|
|
}
|
|
|
|
// Is this the new or the old version?
|
|
if ($data->getName() == "XML") {
|
|
$oldXML = true;
|
|
foreach ($data->post->children() as $child) {
|
|
$element = $child;
|
|
}
|
|
} else {
|
|
$oldXML = false;
|
|
$element = $data;
|
|
}
|
|
|
|
$type = $element->getName();
|
|
$orig_type = $type;
|
|
|
|
Logger::log("Got message type ".$type.": ".$msg["message"], Logger::DATA);
|
|
|
|
// All retractions are handled identically from now on.
|
|
// In the new version there will only be "retraction".
|
|
if (in_array($type, ["signed_retraction", "relayable_retraction"]))
|
|
$type = "retraction";
|
|
|
|
if ($type == "request") {
|
|
$type = "contact";
|
|
}
|
|
|
|
$fields = new SimpleXMLElement("<".$type."/>");
|
|
|
|
$signed_data = "";
|
|
$author_signature = null;
|
|
$parent_author_signature = null;
|
|
|
|
foreach ($element->children() as $fieldname => $entry) {
|
|
if ($oldXML) {
|
|
// Translation for the old XML structure
|
|
if ($fieldname == "diaspora_handle") {
|
|
$fieldname = "author";
|
|
}
|
|
if ($fieldname == "participant_handles") {
|
|
$fieldname = "participants";
|
|
}
|
|
if (in_array($type, ["like", "participation"])) {
|
|
if ($fieldname == "target_type") {
|
|
$fieldname = "parent_type";
|
|
}
|
|
}
|
|
if ($fieldname == "sender_handle") {
|
|
$fieldname = "author";
|
|
}
|
|
if ($fieldname == "recipient_handle") {
|
|
$fieldname = "recipient";
|
|
}
|
|
if ($fieldname == "root_diaspora_id") {
|
|
$fieldname = "root_author";
|
|
}
|
|
if ($type == "status_message") {
|
|
if ($fieldname == "raw_message") {
|
|
$fieldname = "text";
|
|
}
|
|
}
|
|
if ($type == "retraction") {
|
|
if ($fieldname == "post_guid") {
|
|
$fieldname = "target_guid";
|
|
}
|
|
if ($fieldname == "type") {
|
|
$fieldname = "target_type";
|
|
}
|
|
}
|
|
}
|
|
|
|
if (($fieldname == "author_signature") && ($entry != "")) {
|
|
$author_signature = base64_decode($entry);
|
|
} elseif (($fieldname == "parent_author_signature") && ($entry != "")) {
|
|
$parent_author_signature = base64_decode($entry);
|
|
} elseif (!in_array($fieldname, ["author_signature", "parent_author_signature", "target_author_signature"])) {
|
|
if ($signed_data != "") {
|
|
$signed_data .= ";";
|
|
}
|
|
|
|
$signed_data .= $entry;
|
|
}
|
|
if (!in_array($fieldname, ["parent_author_signature", "target_author_signature"])
|
|
|| ($orig_type == "relayable_retraction")
|
|
) {
|
|
XML::copy($entry, $fields, $fieldname);
|
|
}
|
|
}
|
|
|
|
// This is something that shouldn't happen at all.
|
|
if (in_array($type, ["status_message", "reshare", "profile"])) {
|
|
if ($msg["author"] != $fields->author) {
|
|
Logger::log("Message handle is not the same as envelope sender. Quitting this message.");
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// Only some message types have signatures. So we quit here for the other types.
|
|
if (!in_array($type, ["comment", "like"])) {
|
|
return $fields;
|
|
}
|
|
// No author_signature? This is a must, so we quit.
|
|
if (!isset($author_signature)) {
|
|
Logger::log("No author signature for type ".$type." - Message: ".$msg["message"], Logger::DEBUG);
|
|
return false;
|
|
}
|
|
|
|
if (isset($parent_author_signature)) {
|
|
$key = self::key($msg["author"]);
|
|
if (empty($key)) {
|
|
Logger::info('No key found for parent', ['author' => $msg["author"]]);
|
|
return false;
|
|
}
|
|
|
|
if (!Crypto::rsaVerify($signed_data, $parent_author_signature, $key, "sha256")) {
|
|
Logger::log("No valid parent author signature for parent author ".$msg["author"]. " in type ".$type." - signed data: ".$signed_data." - Message: ".$msg["message"]." - Signature ".$parent_author_signature, Logger::DEBUG);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
$key = self::key($fields->author);
|
|
if (empty($key)) {
|
|
Logger::info('No key found', ['author' => $fields->author]);
|
|
return false;
|
|
}
|
|
|
|
if (!Crypto::rsaVerify($signed_data, $author_signature, $key, "sha256")) {
|
|
Logger::log("No valid author signature for author ".$fields->author. " in type ".$type." - signed data: ".$signed_data." - Message: ".$msg["message"]." - Signature ".$author_signature, Logger::DEBUG);
|
|
return false;
|
|
} else {
|
|
return $fields;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Fetches the public key for a given handle
|
|
*
|
|
* @param string $handle The handle
|
|
*
|
|
* @return string The public key
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
private static function key($handle)
|
|
{
|
|
$handle = strval($handle);
|
|
|
|
Logger::log("Fetching diaspora key for: ".$handle);
|
|
|
|
$r = FContact::getByURL($handle);
|
|
if ($r) {
|
|
return $r["pubkey"];
|
|
}
|
|
|
|
return "";
|
|
}
|
|
|
|
/**
|
|
* get a handle (user@domain.tld) from a given contact id
|
|
*
|
|
* @param int $contact_id The id in the contact table
|
|
* @param int $pcontact_id The id in the contact table (Used for the public contact)
|
|
*
|
|
* @return string the handle
|
|
* @throws \Exception
|
|
*/
|
|
private static function handleFromContact($contact_id, $pcontact_id = 0)
|
|
{
|
|
$handle = false;
|
|
|
|
Logger::log("contact id is ".$contact_id." - pcontact id is ".$pcontact_id, Logger::DEBUG);
|
|
|
|
if ($pcontact_id != 0) {
|
|
$contact = DBA::selectFirst('contact', ['addr'], ['id' => $pcontact_id]);
|
|
|
|
if (DBA::isResult($contact) && !empty($contact["addr"])) {
|
|
return strtolower($contact["addr"]);
|
|
}
|
|
}
|
|
|
|
$r = q(
|
|
"SELECT `network`, `addr`, `self`, `url`, `nick` FROM `contact` WHERE `id` = %d",
|
|
intval($contact_id)
|
|
);
|
|
|
|
if (DBA::isResult($r)) {
|
|
$contact = $r[0];
|
|
|
|
Logger::log("contact 'self' = ".$contact['self']." 'url' = ".$contact['url'], Logger::DEBUG);
|
|
|
|
if ($contact['addr'] != "") {
|
|
$handle = $contact['addr'];
|
|
} else {
|
|
$baseurl_start = strpos($contact['url'], '://') + 3;
|
|
// allows installations in a subdirectory--not sure how Diaspora will handle
|
|
$baseurl_length = strpos($contact['url'], '/profile') - $baseurl_start;
|
|
$baseurl = substr($contact['url'], $baseurl_start, $baseurl_length);
|
|
$handle = $contact['nick'].'@'.$baseurl;
|
|
}
|
|
}
|
|
|
|
return strtolower($handle);
|
|
}
|
|
|
|
/**
|
|
* Get a contact id for a given handle
|
|
*
|
|
* @todo Move to Friendica\Model\Contact
|
|
*
|
|
* @param int $uid The user id
|
|
* @param string $handle The handle in the format user@domain.tld
|
|
*
|
|
* @return array Contact data
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
private static function contactByHandle($uid, $handle)
|
|
{
|
|
return Contact::getByURL($handle, null, [], $uid);
|
|
}
|
|
|
|
/**
|
|
* Checks if the given contact url does support ActivityPub
|
|
*
|
|
* @param string $url profile url
|
|
* @param boolean $update true = always update, false = never update, null = update when not found or outdated
|
|
* @return boolean
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
public static function isSupportedByContactUrl($url, $update = null)
|
|
{
|
|
return !empty(FContact::getByURL($url, $update));
|
|
}
|
|
|
|
/**
|
|
* Check if posting is allowed for this contact
|
|
*
|
|
* @param array $importer Array of the importer user
|
|
* @param array $contact The contact that is checked
|
|
* @param bool $is_comment Is the check for a comment?
|
|
*
|
|
* @return bool is the contact allowed to post?
|
|
*/
|
|
private static function postAllow(array $importer, array $contact, $is_comment = false)
|
|
{
|
|
/*
|
|
* Perhaps we were already sharing with this person. Now they're sharing with us.
|
|
* That makes us friends.
|
|
* Normally this should have handled by getting a request - but this could get lost
|
|
*/
|
|
// It is deactivated by now, due to side effects. See issue https://github.com/friendica/friendica/pull/4033
|
|
// It is not removed by now. Possibly the code is needed?
|
|
//if (!$is_comment && $contact["rel"] == Contact::FOLLOWER && in_array($importer["page-flags"], array(User::PAGE_FLAGS_FREELOVE))) {
|
|
// DBA::update(
|
|
// 'contact',
|
|
// array('rel' => Contact::FRIEND, 'writable' => true),
|
|
// array('id' => $contact["id"], 'uid' => $contact["uid"])
|
|
// );
|
|
//
|
|
// $contact["rel"] = Contact::FRIEND;
|
|
// Logger::log("defining user ".$contact["nick"]." as friend");
|
|
//}
|
|
|
|
// Contact server is blocked
|
|
if (Network::isUrlBlocked($contact['url'])) {
|
|
return false;
|
|
// We don't seem to like that person
|
|
} elseif ($contact["blocked"]) {
|
|
// Maybe blocked, don't accept.
|
|
return false;
|
|
// We are following this person?
|
|
} elseif (($contact["rel"] == Contact::SHARING) || ($contact["rel"] == Contact::FRIEND)) {
|
|
// Yes, then it is fine.
|
|
return true;
|
|
// Is it a post to a community?
|
|
} elseif (($contact["rel"] == Contact::FOLLOWER) && in_array($importer["page-flags"], [User::PAGE_FLAGS_COMMUNITY, User::PAGE_FLAGS_PRVGROUP])) {
|
|
// That's good
|
|
return true;
|
|
// Is the message a global user or a comment?
|
|
} elseif (($importer["uid"] == 0) || $is_comment) {
|
|
// Messages for the global users and comments are always accepted
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Fetches the contact id for a handle and checks if posting is allowed
|
|
*
|
|
* @param array $importer Array of the importer user
|
|
* @param string $handle The checked handle in the format user@domain.tld
|
|
* @param bool $is_comment Is the check for a comment?
|
|
*
|
|
* @return array The contact data
|
|
* @throws \Exception
|
|
*/
|
|
private static function allowedContactByHandle(array $importer, $handle, $is_comment = false)
|
|
{
|
|
$contact = self::contactByHandle($importer["uid"], $handle);
|
|
if (!$contact) {
|
|
Logger::log("A Contact for handle ".$handle." and user ".$importer["uid"]." was not found");
|
|
// If a contact isn't found, we accept it anyway if it is a comment
|
|
if ($is_comment && ($importer["uid"] != 0)) {
|
|
return self::contactByHandle(0, $handle);
|
|
} elseif ($is_comment) {
|
|
return $importer;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (!self::postAllow($importer, $contact, $is_comment)) {
|
|
Logger::log("The handle: ".$handle." is not allowed to post to user ".$importer["uid"]);
|
|
return false;
|
|
}
|
|
return $contact;
|
|
}
|
|
|
|
/**
|
|
* Does the message already exists on the system?
|
|
*
|
|
* @param int $uid The user id
|
|
* @param string $guid The guid of the message
|
|
*
|
|
* @return int|bool message id if the message already was stored into the system - or false.
|
|
* @throws \Exception
|
|
*/
|
|
private static function messageExists($uid, $guid)
|
|
{
|
|
$item = Item::selectFirst(['id'], ['uid' => $uid, 'guid' => $guid]);
|
|
if (DBA::isResult($item)) {
|
|
Logger::log("message ".$guid." already exists for user ".$uid);
|
|
return $item["id"];
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Checks for links to posts in a message
|
|
*
|
|
* @param array $item The item array
|
|
* @return void
|
|
*/
|
|
private static function fetchGuid(array $item)
|
|
{
|
|
$expression = "=diaspora://.*?/post/([0-9A-Za-z\-_@.:]{15,254}[0-9A-Za-z])=ism";
|
|
preg_replace_callback(
|
|
$expression,
|
|
function ($match) use ($item) {
|
|
self::fetchGuidSub($match, $item);
|
|
},
|
|
$item["body"]
|
|
);
|
|
|
|
preg_replace_callback(
|
|
"&\[url=/?posts/([^\[\]]*)\](.*)\[\/url\]&Usi",
|
|
function ($match) use ($item) {
|
|
self::fetchGuidSub($match, $item);
|
|
},
|
|
$item["body"]
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Checks for relative /people/* links in an item body to match local
|
|
* contacts or prepends the remote host taken from the author link.
|
|
*
|
|
* @param string $body The item body to replace links from
|
|
* @param string $author_link The author link for missing local contact fallback
|
|
*
|
|
* @return string the replaced string
|
|
*/
|
|
public static function replacePeopleGuid($body, $author_link)
|
|
{
|
|
$return = preg_replace_callback(
|
|
"&\[url=/people/([^\[\]]*)\](.*)\[\/url\]&Usi",
|
|
function ($match) use ($author_link) {
|
|
// $match
|
|
// 0 => '[url=/people/0123456789abcdef]Foo Bar[/url]'
|
|
// 1 => '0123456789abcdef'
|
|
// 2 => 'Foo Bar'
|
|
$handle = FContact::getUrlByGuid($match[1]);
|
|
|
|
if ($handle) {
|
|
$return = '@[url='.$handle.']'.$match[2].'[/url]';
|
|
} else {
|
|
// No local match, restoring absolute remote URL from author scheme and host
|
|
$author_url = parse_url($author_link);
|
|
$return = '[url='.$author_url['scheme'].'://'.$author_url['host'].'/people/'.$match[1].']'.$match[2].'[/url]';
|
|
}
|
|
|
|
return $return;
|
|
},
|
|
$body
|
|
);
|
|
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* sub function of "fetchGuid" which checks for links in messages
|
|
*
|
|
* @param array $match array containing a link that has to be checked for a message link
|
|
* @param array $item The item array
|
|
* @return void
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
private static function fetchGuidSub($match, $item)
|
|
{
|
|
if (!self::storeByGuid($match[1], $item["author-link"])) {
|
|
self::storeByGuid($match[1], $item["owner-link"]);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Fetches an item with a given guid from a given server
|
|
*
|
|
* @param string $guid the message guid
|
|
* @param string $server The server address
|
|
* @param int $uid The user id of the user
|
|
*
|
|
* @return int the message id of the stored message or false
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
private static function storeByGuid($guid, $server, $uid = 0)
|
|
{
|
|
$serverparts = parse_url($server);
|
|
|
|
if (empty($serverparts["host"]) || empty($serverparts["scheme"])) {
|
|
return false;
|
|
}
|
|
|
|
$server = $serverparts["scheme"]."://".$serverparts["host"];
|
|
|
|
Logger::log("Trying to fetch item ".$guid." from ".$server, Logger::DEBUG);
|
|
|
|
$msg = self::message($guid, $server);
|
|
|
|
if (!$msg) {
|
|
return false;
|
|
}
|
|
|
|
Logger::log("Successfully fetched item ".$guid." from ".$server, Logger::DEBUG);
|
|
|
|
// Now call the dispatcher
|
|
return self::dispatchPublic($msg, true);
|
|
}
|
|
|
|
/**
|
|
* Fetches a message from a server
|
|
*
|
|
* @param string $guid message guid
|
|
* @param string $server The url of the server
|
|
* @param int $level Endless loop prevention
|
|
*
|
|
* @return array
|
|
* 'message' => The message XML
|
|
* 'author' => The author handle
|
|
* 'key' => The public key of the author
|
|
* @throws \Exception
|
|
*/
|
|
private static function message($guid, $server, $level = 0)
|
|
{
|
|
if ($level > 5) {
|
|
return false;
|
|
}
|
|
|
|
// This will work for new Diaspora servers and Friendica servers from 3.5
|
|
$source_url = $server."/fetch/post/".urlencode($guid);
|
|
|
|
Logger::log("Fetch post from ".$source_url, Logger::DEBUG);
|
|
|
|
$envelope = DI::httpRequest()->fetch($source_url);
|
|
if ($envelope) {
|
|
Logger::log("Envelope was fetched.", Logger::DEBUG);
|
|
$x = self::verifyMagicEnvelope($envelope);
|
|
if (!$x) {
|
|
Logger::log("Envelope could not be verified.", Logger::DEBUG);
|
|
} else {
|
|
Logger::log("Envelope was verified.", Logger::DEBUG);
|
|
}
|
|
} else {
|
|
$x = false;
|
|
}
|
|
|
|
if (!$x) {
|
|
return false;
|
|
}
|
|
|
|
$source_xml = XML::parseString($x);
|
|
|
|
if (!is_object($source_xml)) {
|
|
return false;
|
|
}
|
|
|
|
if ($source_xml->post->reshare) {
|
|
// Reshare of a reshare - old Diaspora version
|
|
Logger::log("Message is a reshare", Logger::DEBUG);
|
|
return self::message($source_xml->post->reshare->root_guid, $server, ++$level);
|
|
} elseif ($source_xml->getName() == "reshare") {
|
|
// Reshare of a reshare - new Diaspora version
|
|
Logger::log("Message is a new reshare", Logger::DEBUG);
|
|
return self::message($source_xml->root_guid, $server, ++$level);
|
|
}
|
|
|
|
$author = "";
|
|
|
|
// Fetch the author - for the old and the new Diaspora version
|
|
if ($source_xml->post->status_message && $source_xml->post->status_message->diaspora_handle) {
|
|
$author = (string)$source_xml->post->status_message->diaspora_handle;
|
|
} elseif ($source_xml->author && ($source_xml->getName() == "status_message")) {
|
|
$author = (string)$source_xml->author;
|
|
}
|
|
|
|
// If this isn't a "status_message" then quit
|
|
if (!$author) {
|
|
Logger::log("Message doesn't seem to be a status message", Logger::DEBUG);
|
|
return false;
|
|
}
|
|
|
|
$msg = ["message" => $x, "author" => $author];
|
|
|
|
$msg["key"] = self::key($msg["author"]);
|
|
|
|
return $msg;
|
|
}
|
|
|
|
/**
|
|
* Fetches an item with a given URL
|
|
*
|
|
* @param string $url the message url
|
|
*
|
|
* @return int the message id of the stored message or false
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
public static function fetchByURL($url, $uid = 0)
|
|
{
|
|
// Check for Diaspora (and Friendica) typical paths
|
|
if (!preg_match("=(https?://.+)/(?:posts|display|objects)/([a-zA-Z0-9-_@.:%]+[a-zA-Z0-9])=i", $url, $matches)) {
|
|
Logger::info('Invalid url', ['url' => $url]);
|
|
return false;
|
|
}
|
|
|
|
$guid = urldecode($matches[2]);
|
|
|
|
$item = Item::selectFirst(['id'], ['guid' => $guid, 'uid' => $uid]);
|
|
if (DBA::isResult($item)) {
|
|
Logger::info('Found', ['id' => $item['id']]);
|
|
return $item['id'];
|
|
}
|
|
|
|
Logger::info('Fetch GUID from origin', ['guid' => $guid, 'server' => $matches[1]]);
|
|
$ret = self::storeByGuid($guid, $matches[1], $uid);
|
|
Logger::info('Result', ['ret' => $ret]);
|
|
|
|
$item = Item::selectFirst(['id'], ['guid' => $guid, 'uid' => $uid]);
|
|
if (DBA::isResult($item)) {
|
|
Logger::info('Found', ['id' => $item['id']]);
|
|
return $item['id'];
|
|
} else {
|
|
Logger::info('Not found', ['guid' => $guid, 'uid' => $uid]);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Fetches the item record of a given guid
|
|
*
|
|
* @param int $uid The user id
|
|
* @param string $guid message guid
|
|
* @param string $author The handle of the item
|
|
* @param array $contact The contact of the item owner
|
|
*
|
|
* @return array the item record
|
|
* @throws \Exception
|
|
*/
|
|
private static function parentItem($uid, $guid, $author, array $contact)
|
|
{
|
|
$fields = ['id', 'parent', 'body', 'wall', 'uri', 'guid', 'private', 'origin',
|
|
'author-name', 'author-link', 'author-avatar', 'gravity',
|
|
'owner-name', 'owner-link', 'owner-avatar'];
|
|
$condition = ['uid' => $uid, 'guid' => $guid];
|
|
$item = Item::selectFirst($fields, $condition);
|
|
|
|
if (!DBA::isResult($item)) {
|
|
$person = FContact::getByURL($author);
|
|
$result = self::storeByGuid($guid, $person["url"], $uid);
|
|
|
|
// We don't have an url for items that arrived at the public dispatcher
|
|
if (!$result && !empty($contact["url"])) {
|
|
$result = self::storeByGuid($guid, $contact["url"], $uid);
|
|
}
|
|
|
|
if ($result) {
|
|
Logger::log("Fetched missing item ".$guid." - result: ".$result, Logger::DEBUG);
|
|
|
|
$item = Item::selectFirst($fields, $condition);
|
|
}
|
|
}
|
|
|
|
if (!DBA::isResult($item)) {
|
|
Logger::log("parent item not found: parent: ".$guid." - user: ".$uid);
|
|
return false;
|
|
} else {
|
|
Logger::log("parent item found: parent: ".$guid." - user: ".$uid);
|
|
return $item;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* returns contact details
|
|
*
|
|
* @param array $def_contact The default contact if the person isn't found
|
|
* @param array $person The record of the person
|
|
* @param int $uid The user id
|
|
*
|
|
* @return array
|
|
* 'cid' => contact id
|
|
* 'network' => network type
|
|
* @throws \Exception
|
|
*/
|
|
private static function authorContactByUrl($def_contact, $person, $uid)
|
|
{
|
|
$condition = ['nurl' => Strings::normaliseLink($person["url"]), 'uid' => $uid];
|
|
$contact = DBA::selectFirst('contact', ['id', 'network'], $condition);
|
|
if (DBA::isResult($contact)) {
|
|
$cid = $contact["id"];
|
|
$network = $contact["network"];
|
|
} else {
|
|
$cid = $def_contact["id"];
|
|
$network = Protocol::DIASPORA;
|
|
}
|
|
|
|
return ["cid" => $cid, "network" => $network];
|
|
}
|
|
|
|
/**
|
|
* Is the profile a hubzilla profile?
|
|
*
|
|
* @param string $url The profile link
|
|
*
|
|
* @return bool is it a hubzilla server?
|
|
*/
|
|
private static function isHubzilla($url)
|
|
{
|
|
return(strstr($url, '/channel/'));
|
|
}
|
|
|
|
/**
|
|
* Generate a post link with a given handle and message guid
|
|
*
|
|
* @param string $addr The user handle
|
|
* @param string $guid message guid
|
|
* @param string $parent_guid optional parent guid
|
|
*
|
|
* @return string the post link
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
private static function plink($addr, $guid, $parent_guid = '')
|
|
{
|
|
$contact = Contact::getByURL($addr);
|
|
if (empty($contact)) {
|
|
Logger::info('No contact data for address', ['addr' => $addr]);
|
|
return '';
|
|
}
|
|
|
|
if (empty($contact['baseurl'])) {
|
|
$contact['baseurl'] = 'https://' . substr($addr, strpos($addr, '@') + 1);
|
|
Logger::info('Create baseurl from address', ['baseurl' => $contact['baseurl'], 'url' => $contact['url']]);
|
|
}
|
|
|
|
$platform = '';
|
|
$gserver = DBA::selectFirst('gserver', ['platform'], ['nurl' => Strings::normaliseLink($contact['baseurl'])]);
|
|
if (!empty($gserver['platform'])) {
|
|
$platform = strtolower($gserver['platform']);
|
|
Logger::info('Detected platform', ['platform' => $platform, 'url' => $contact['url']]);
|
|
}
|
|
|
|
if (!in_array($platform, ['diaspora', 'friendica', 'hubzilla', 'socialhome'])) {
|
|
if (self::isHubzilla($contact['url'])) {
|
|
Logger::info('Detected unknown platform as Hubzilla', ['platform' => $platform, 'url' => $contact['url']]);
|
|
$platform = 'hubzilla';
|
|
} elseif ($contact['network'] == Protocol::DFRN) {
|
|
Logger::info('Detected unknown platform as Friendica', ['platform' => $platform, 'url' => $contact['url']]);
|
|
$platform = 'friendica';
|
|
}
|
|
}
|
|
|
|
if ($platform == 'friendica') {
|
|
return str_replace('/profile/' . $contact['nick'] . '/', '/display/' . $guid, $contact['url'] . '/');
|
|
}
|
|
|
|
if ($platform == 'hubzilla') {
|
|
return $contact['baseurl'] . '/item/' . $guid;
|
|
}
|
|
|
|
if ($platform == 'socialhome') {
|
|
return $contact['baseurl'] . '/content/' . $guid;
|
|
}
|
|
|
|
if ($platform != 'diaspora') {
|
|
Logger::info('Unknown platform', ['platform' => $platform, 'url' => $contact['url']]);
|
|
return '';
|
|
}
|
|
|
|
if ($parent_guid != '') {
|
|
return $contact['baseurl'] . '/posts/' . $parent_guid . '#' . $guid;
|
|
} else {
|
|
return $contact['baseurl'] . '/posts/' . $guid;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Receives account migration
|
|
*
|
|
* @param array $importer Array of the importer user
|
|
* @param object $data The message object
|
|
*
|
|
* @return bool Success
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
private static function receiveAccountMigration(array $importer, $data)
|
|
{
|
|
$old_handle = Strings::escapeTags(XML::unescape($data->author));
|
|
$new_handle = Strings::escapeTags(XML::unescape($data->profile->author));
|
|
$signature = Strings::escapeTags(XML::unescape($data->signature));
|
|
|
|
$contact = self::contactByHandle($importer["uid"], $old_handle);
|
|
if (!$contact) {
|
|
Logger::log("cannot find contact for sender: ".$old_handle." and user ".$importer["uid"]);
|
|
return false;
|
|
}
|
|
|
|
Logger::log("Got migration for ".$old_handle.", to ".$new_handle." with user ".$importer["uid"]);
|
|
|
|
// Check signature
|
|
$signed_text = 'AccountMigration:'.$old_handle.':'.$new_handle;
|
|
$key = self::key($old_handle);
|
|
if (!Crypto::rsaVerify($signed_text, $signature, $key, "sha256")) {
|
|
Logger::log('No valid signature for migration.');
|
|
return false;
|
|
}
|
|
|
|
// Update the profile
|
|
self::receiveProfile($importer, $data->profile);
|
|
|
|
// change the technical stuff in contact
|
|
$data = Probe::uri($new_handle);
|
|
if ($data['network'] == Protocol::PHANTOM) {
|
|
Logger::log('Account for '.$new_handle." couldn't be probed.");
|
|
return false;
|
|
}
|
|
|
|
$fields = ['url' => $data['url'], 'nurl' => Strings::normaliseLink($data['url']),
|
|
'name' => $data['name'], 'nick' => $data['nick'],
|
|
'addr' => $data['addr'], 'batch' => $data['batch'],
|
|
'notify' => $data['notify'], 'poll' => $data['poll'],
|
|
'network' => $data['network']];
|
|
|
|
DBA::update('contact', $fields, ['addr' => $old_handle]);
|
|
|
|
Logger::log('Contacts are updated.');
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Processes an account deletion
|
|
*
|
|
* @param object $data The message object
|
|
*
|
|
* @return bool Success
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
*/
|
|
private static function receiveAccountDeletion($data)
|
|
{
|
|
$author = Strings::escapeTags(XML::unescape($data->author));
|
|
|
|
$contacts = DBA::select('contact', ['id'], ['addr' => $author]);
|
|
while ($contact = DBA::fetch($contacts)) {
|
|
Contact::remove($contact["id"]);
|
|
}
|
|
DBA::close($contacts);
|
|
|
|
Logger::log('Removed contacts for ' . $author);
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Fetch the uri from our database if we already have this item (maybe from ourselves)
|
|
*
|
|
* @param string $author Author handle
|
|
* @param string $guid Message guid
|
|
* @param boolean $onlyfound Only return uri when found in the database
|
|
*
|
|
* @return string The constructed uri or the one from our database
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
private static function getUriFromGuid($author, $guid, $onlyfound = false)
|
|
{
|
|
$item = Item::selectFirst(['uri'], ['guid' => $guid]);
|
|
if (DBA::isResult($item)) {
|
|
return $item["uri"];
|
|
} elseif (!$onlyfound) {
|
|
$person = FContact::getByURL($author);
|
|
|
|
$parts = parse_url($person['url']);
|
|
unset($parts['path']);
|
|
$host_url = Network::unparseURL($parts);
|
|
|
|
return $host_url . '/objects/' . $guid;
|
|
}
|
|
|
|
return "";
|
|
}
|
|
|
|
/**
|
|
* Fetch the guid from our database with a given uri
|
|
*
|
|
* @param string $uri Message uri
|
|
* @param string $uid Author handle
|
|
*
|
|
* @return string The post guid
|
|
* @throws \Exception
|
|
*/
|
|
private static function getGuidFromUri($uri, $uid)
|
|
{
|
|
$item = Item::selectFirst(['guid'], ['uri' => $uri, 'uid' => $uid]);
|
|
if (DBA::isResult($item)) {
|
|
return $item["guid"];
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Store the mentions in the tag table
|
|
*
|
|
* @param integer $uriid
|
|
* @param string $text
|
|
*/
|
|
private static function storeMentions(int $uriid, string $text)
|
|
{
|
|
preg_match_all('/([@!]){(?:([^}]+?); ?)?([^} ]+)}/', $text, $matches, PREG_SET_ORDER);
|
|
if (empty($matches)) {
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Matching values for the preg match
|
|
* [1] = mention type (@ or !)
|
|
* [2] = name (optional)
|
|
* [3] = profile URL
|
|
*/
|
|
|
|
foreach ($matches as $match) {
|
|
if (empty($match)) {
|
|
continue;
|
|
}
|
|
|
|
$person = FContact::getByURL($match[3]);
|
|
if (empty($person)) {
|
|
continue;
|
|
}
|
|
|
|
Tag::storeByHash($uriid, $match[1], $person['name'] ?: $person['nick'], $person['url']);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Processes an incoming comment
|
|
*
|
|
* @param array $importer Array of the importer user
|
|
* @param string $sender The sender of the message
|
|
* @param object $data The message object
|
|
* @param string $xml The original XML of the message
|
|
* @param bool $fetched The message had been fetched and not pushed
|
|
*
|
|
* @return int The message id of the generated comment or "false" if there was an error
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
private static function receiveComment(array $importer, $sender, $data, $xml, bool $fetched)
|
|
{
|
|
$author = Strings::escapeTags(XML::unescape($data->author));
|
|
$guid = Strings::escapeTags(XML::unescape($data->guid));
|
|
$parent_guid = Strings::escapeTags(XML::unescape($data->parent_guid));
|
|
$text = XML::unescape($data->text);
|
|
|
|
if (isset($data->created_at)) {
|
|
$created_at = DateTimeFormat::utc(Strings::escapeTags(XML::unescape($data->created_at)));
|
|
} else {
|
|
$created_at = DateTimeFormat::utcNow();
|
|
}
|
|
|
|
if (isset($data->thread_parent_guid)) {
|
|
$thread_parent_guid = Strings::escapeTags(XML::unescape($data->thread_parent_guid));
|
|
$thr_uri = self::getUriFromGuid("", $thread_parent_guid, true);
|
|
} else {
|
|
$thr_uri = "";
|
|
}
|
|
|
|
$contact = self::allowedContactByHandle($importer, $sender, true);
|
|
if (!$contact) {
|
|
return false;
|
|
}
|
|
|
|
$message_id = self::messageExists($importer["uid"], $guid);
|
|
if ($message_id) {
|
|
return true;
|
|
}
|
|
|
|
$parent_item = self::parentItem($importer["uid"], $parent_guid, $author, $contact);
|
|
if (!$parent_item) {
|
|
return false;
|
|
}
|
|
|
|
$person = FContact::getByURL($author);
|
|
if (!is_array($person)) {
|
|
Logger::log("unable to find author details");
|
|
return false;
|
|
}
|
|
|
|
// Fetch the contact id - if we know this contact
|
|
$author_contact = self::authorContactByUrl($contact, $person, $importer["uid"]);
|
|
|
|
$datarray = [];
|
|
|
|
$datarray["uid"] = $importer["uid"];
|
|
$datarray["contact-id"] = $author_contact["cid"];
|
|
$datarray["network"] = $author_contact["network"];
|
|
|
|
$datarray["author-link"] = $person["url"];
|
|
$datarray["author-id"] = Contact::getIdForURL($person["url"], 0);
|
|
|
|
$datarray["owner-link"] = $contact["url"];
|
|
$datarray["owner-id"] = Contact::getIdForURL($contact["url"], 0);
|
|
|
|
// Will be overwritten for sharing accounts in Item::insert
|
|
if ($fetched) {
|
|
$datarray["post-type"] = Item::PT_FETCHED;
|
|
} elseif ($datarray["uid"] == 0) {
|
|
$datarray["post-type"] = Item::PT_GLOBAL;
|
|
} else {
|
|
$datarray["post-type"] = Item::PT_COMMENT;
|
|
}
|
|
|
|
$datarray["guid"] = $guid;
|
|
$datarray["uri"] = self::getUriFromGuid($author, $guid);
|
|
$datarray['uri-id'] = ItemURI::insert(['uri' => $datarray['uri'], 'guid' => $datarray['guid']]);
|
|
|
|
$datarray["verb"] = Activity::POST;
|
|
$datarray["gravity"] = GRAVITY_COMMENT;
|
|
|
|
if ($thr_uri != "") {
|
|
$datarray["parent-uri"] = $thr_uri;
|
|
} else {
|
|
$datarray["parent-uri"] = $parent_item["uri"];
|
|
}
|
|
|
|
$datarray["object-type"] = Activity\ObjectType::COMMENT;
|
|
|
|
$datarray["protocol"] = Conversation::PARCEL_DIASPORA;
|
|
$datarray["source"] = $xml;
|
|
|
|
$datarray["changed"] = $datarray["created"] = $datarray["edited"] = $created_at;
|
|
|
|
$datarray["plink"] = self::plink($author, $guid, $parent_item['guid']);
|
|
$body = Markdown::toBBCode($text);
|
|
|
|
$datarray["body"] = self::replacePeopleGuid($body, $person["url"]);
|
|
|
|
self::storeMentions($datarray['uri-id'], $text);
|
|
Tag::storeRawTagsFromBody($datarray['uri-id'], $datarray["body"]);
|
|
|
|
self::fetchGuid($datarray);
|
|
|
|
// If we are the origin of the parent we store the original data.
|
|
// We notify our followers during the item storage.
|
|
if ($parent_item["origin"]) {
|
|
$datarray['diaspora_signed_text'] = json_encode($data);
|
|
}
|
|
|
|
$message_id = Item::insert($datarray);
|
|
|
|
if ($message_id <= 0) {
|
|
return false;
|
|
}
|
|
|
|
if ($message_id) {
|
|
Logger::log("Stored comment ".$datarray["guid"]." with message id ".$message_id, Logger::DEBUG);
|
|
if ($datarray['uid'] == 0) {
|
|
Item::distribute($message_id, json_encode($data));
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* processes and stores private messages
|
|
*
|
|
* @param array $importer Array of the importer user
|
|
* @param array $contact The contact of the message
|
|
* @param object $data The message object
|
|
* @param array $msg Array of the processed message, author handle and key
|
|
* @param object $mesg The private message
|
|
* @param array $conversation The conversation record to which this message belongs
|
|
*
|
|
* @return bool "true" if it was successful
|
|
* @throws \Exception
|
|
*/
|
|
private static function receiveConversationMessage(array $importer, array $contact, $data, $msg, $mesg, $conversation)
|
|
{
|
|
$author = Strings::escapeTags(XML::unescape($data->author));
|
|
$guid = Strings::escapeTags(XML::unescape($data->guid));
|
|
$subject = Strings::escapeTags(XML::unescape($data->subject));
|
|
|
|
// "diaspora_handle" is the element name from the old version
|
|
// "author" is the element name from the new version
|
|
if ($mesg->author) {
|
|
$msg_author = Strings::escapeTags(XML::unescape($mesg->author));
|
|
} elseif ($mesg->diaspora_handle) {
|
|
$msg_author = Strings::escapeTags(XML::unescape($mesg->diaspora_handle));
|
|
} else {
|
|
return false;
|
|
}
|
|
|
|
$msg_guid = Strings::escapeTags(XML::unescape($mesg->guid));
|
|
$msg_conversation_guid = Strings::escapeTags(XML::unescape($mesg->conversation_guid));
|
|
$msg_text = XML::unescape($mesg->text);
|
|
$msg_created_at = DateTimeFormat::utc(Strings::escapeTags(XML::unescape($mesg->created_at)));
|
|
|
|
if ($msg_conversation_guid != $guid) {
|
|
Logger::log("message conversation guid does not belong to the current conversation.");
|
|
return false;
|
|
}
|
|
|
|
$body = Markdown::toBBCode($msg_text);
|
|
$message_uri = $msg_author.":".$msg_guid;
|
|
|
|
$person = FContact::getByURL($msg_author);
|
|
|
|
return Mail::insert([
|
|
'uid' => $importer['uid'],
|
|
'guid' => $msg_guid,
|
|
'convid' => $conversation['id'],
|
|
'from-name' => $person['name'],
|
|
'from-photo' => $person['photo'],
|
|
'from-url' => $person['url'],
|
|
'contact-id' => $contact['id'],
|
|
'title' => $subject,
|
|
'body' => $body,
|
|
'uri' => $message_uri,
|
|
'parent-uri' => $author . ':' . $guid,
|
|
'created' => $msg_created_at
|
|
]);
|
|
}
|
|
|
|
/**
|
|
* Processes new private messages (answers to private messages are processed elsewhere)
|
|
*
|
|
* @param array $importer Array of the importer user
|
|
* @param array $msg Array of the processed message, author handle and key
|
|
* @param object $data The message object
|
|
*
|
|
* @return bool Success
|
|
* @throws \Exception
|
|
*/
|
|
private static function receiveConversation(array $importer, $msg, $data)
|
|
{
|
|
$author = Strings::escapeTags(XML::unescape($data->author));
|
|
$guid = Strings::escapeTags(XML::unescape($data->guid));
|
|
$subject = Strings::escapeTags(XML::unescape($data->subject));
|
|
$created_at = DateTimeFormat::utc(Strings::escapeTags(XML::unescape($data->created_at)));
|
|
$participants = Strings::escapeTags(XML::unescape($data->participants));
|
|
|
|
$messages = $data->message;
|
|
|
|
if (!count($messages)) {
|
|
Logger::log("empty conversation");
|
|
return false;
|
|
}
|
|
|
|
$contact = self::allowedContactByHandle($importer, $msg["author"], true);
|
|
if (!$contact) {
|
|
return false;
|
|
}
|
|
|
|
$conversation = DBA::selectFirst('conv', [], ['uid' => $importer["uid"], 'guid' => $guid]);
|
|
if (!DBA::isResult($conversation)) {
|
|
$r = q(
|
|
"INSERT INTO `conv` (`uid`, `guid`, `creator`, `created`, `updated`, `subject`, `recips`)
|
|
VALUES (%d, '%s', '%s', '%s', '%s', '%s', '%s')",
|
|
intval($importer["uid"]),
|
|
DBA::escape($guid),
|
|
DBA::escape($author),
|
|
DBA::escape($created_at),
|
|
DBA::escape(DateTimeFormat::utcNow()),
|
|
DBA::escape($subject),
|
|
DBA::escape($participants)
|
|
);
|
|
if ($r) {
|
|
$conversation = DBA::selectFirst('conv', [], ['uid' => $importer["uid"], 'guid' => $guid]);
|
|
}
|
|
}
|
|
if (!$conversation) {
|
|
Logger::log("unable to create conversation.");
|
|
return false;
|
|
}
|
|
|
|
foreach ($messages as $mesg) {
|
|
self::receiveConversationMessage($importer, $contact, $data, $msg, $mesg, $conversation);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Processes "like" messages
|
|
*
|
|
* @param array $importer Array of the importer user
|
|
* @param string $sender The sender of the message
|
|
* @param object $data The message object
|
|
*
|
|
* @return int The message id of the generated like or "false" if there was an error
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
private static function receiveLike(array $importer, $sender, $data)
|
|
{
|
|
$author = Strings::escapeTags(XML::unescape($data->author));
|
|
$guid = Strings::escapeTags(XML::unescape($data->guid));
|
|
$parent_guid = Strings::escapeTags(XML::unescape($data->parent_guid));
|
|
$parent_type = Strings::escapeTags(XML::unescape($data->parent_type));
|
|
$positive = Strings::escapeTags(XML::unescape($data->positive));
|
|
|
|
// likes on comments aren't supported by Diaspora - only on posts
|
|
// But maybe this will be supported in the future, so we will accept it.
|
|
if (!in_array($parent_type, ["Post", "Comment"])) {
|
|
return false;
|
|
}
|
|
|
|
$contact = self::allowedContactByHandle($importer, $sender, true);
|
|
if (!$contact) {
|
|
return false;
|
|
}
|
|
|
|
$message_id = self::messageExists($importer["uid"], $guid);
|
|
if ($message_id) {
|
|
return true;
|
|
}
|
|
|
|
$parent_item = self::parentItem($importer["uid"], $parent_guid, $author, $contact);
|
|
if (!$parent_item) {
|
|
return false;
|
|
}
|
|
|
|
$person = FContact::getByURL($author);
|
|
if (!is_array($person)) {
|
|
Logger::log("unable to find author details");
|
|
return false;
|
|
}
|
|
|
|
// Fetch the contact id - if we know this contact
|
|
$author_contact = self::authorContactByUrl($contact, $person, $importer["uid"]);
|
|
|
|
// "positive" = "false" would be a Dislike - wich isn't currently supported by Diaspora
|
|
// We would accept this anyhow.
|
|
if ($positive == "true") {
|
|
$verb = Activity::LIKE;
|
|
} else {
|
|
$verb = Activity::DISLIKE;
|
|
}
|
|
|
|
$datarray = [];
|
|
|
|
$datarray["protocol"] = Conversation::PARCEL_DIASPORA;
|
|
|
|
$datarray["uid"] = $importer["uid"];
|
|
$datarray["contact-id"] = $author_contact["cid"];
|
|
$datarray["network"] = $author_contact["network"];
|
|
|
|
$datarray["owner-link"] = $datarray["author-link"] = $person["url"];
|
|
$datarray["owner-id"] = $datarray["author-id"] = Contact::getIdForURL($person["url"], 0);
|
|
|
|
$datarray["guid"] = $guid;
|
|
$datarray["uri"] = self::getUriFromGuid($author, $guid);
|
|
|
|
$datarray["verb"] = $verb;
|
|
$datarray["gravity"] = GRAVITY_ACTIVITY;
|
|
$datarray["parent-uri"] = $parent_item["uri"];
|
|
|
|
$datarray["object-type"] = Activity\ObjectType::NOTE;
|
|
|
|
$datarray["body"] = $verb;
|
|
|
|
// Diaspora doesn't provide a date for likes
|
|
$datarray["changed"] = $datarray["created"] = $datarray["edited"] = DateTimeFormat::utcNow();
|
|
|
|
// like on comments have the comment as parent. So we need to fetch the toplevel parent
|
|
if ($parent_item['gravity'] != GRAVITY_PARENT) {
|
|
$toplevel = Item::selectFirst(['origin'], ['id' => $parent_item['parent']]);
|
|
$origin = $toplevel["origin"];
|
|
} else {
|
|
$origin = $parent_item["origin"];
|
|
}
|
|
|
|
// If we are the origin of the parent we store the original data.
|
|
// We notify our followers during the item storage.
|
|
if ($origin) {
|
|
$datarray['diaspora_signed_text'] = json_encode($data);
|
|
}
|
|
|
|
$message_id = Item::insert($datarray);
|
|
|
|
if ($message_id <= 0) {
|
|
return false;
|
|
}
|
|
|
|
if ($message_id) {
|
|
Logger::log("Stored like ".$datarray["guid"]." with message id ".$message_id, Logger::DEBUG);
|
|
if ($datarray['uid'] == 0) {
|
|
Item::distribute($message_id, json_encode($data));
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Processes private messages
|
|
*
|
|
* @param array $importer Array of the importer user
|
|
* @param object $data The message object
|
|
*
|
|
* @return bool Success?
|
|
* @throws \Exception
|
|
*/
|
|
private static function receiveMessage(array $importer, $data)
|
|
{
|
|
$author = Strings::escapeTags(XML::unescape($data->author));
|
|
$guid = Strings::escapeTags(XML::unescape($data->guid));
|
|
$conversation_guid = Strings::escapeTags(XML::unescape($data->conversation_guid));
|
|
$text = XML::unescape($data->text);
|
|
$created_at = DateTimeFormat::utc(Strings::escapeTags(XML::unescape($data->created_at)));
|
|
|
|
$contact = self::allowedContactByHandle($importer, $author, true);
|
|
if (!$contact) {
|
|
return false;
|
|
}
|
|
|
|
$conversation = null;
|
|
|
|
$condition = ['uid' => $importer["uid"], 'guid' => $conversation_guid];
|
|
$conversation = DBA::selectFirst('conv', [], $condition);
|
|
|
|
if (!DBA::isResult($conversation)) {
|
|
Logger::log("conversation not available.");
|
|
return false;
|
|
}
|
|
|
|
$message_uri = $author.":".$guid;
|
|
|
|
$person = FContact::getByURL($author);
|
|
if (!$person) {
|
|
Logger::log("unable to find author details");
|
|
return false;
|
|
}
|
|
|
|
$body = Markdown::toBBCode($text);
|
|
|
|
$body = self::replacePeopleGuid($body, $person["url"]);
|
|
|
|
return Mail::insert([
|
|
'uid' => $importer['uid'],
|
|
'guid' => $guid,
|
|
'convid' => $conversation['id'],
|
|
'from-name' => $person['name'],
|
|
'from-photo' => $person['photo'],
|
|
'from-url' => $person['url'],
|
|
'contact-id' => $contact['id'],
|
|
'title' => $conversation['subject'],
|
|
'body' => $body,
|
|
'reply' => 1,
|
|
'uri' => $message_uri,
|
|
'parent-uri' => $author.":".$conversation['guid'],
|
|
'created' => $created_at
|
|
]);
|
|
}
|
|
|
|
/**
|
|
* Processes participations - unsupported by now
|
|
*
|
|
* @param array $importer Array of the importer user
|
|
* @param object $data The message object
|
|
*
|
|
* @return bool success
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
private static function receiveParticipation(array $importer, $data)
|
|
{
|
|
$author = strtolower(Strings::escapeTags(XML::unescape($data->author)));
|
|
$guid = Strings::escapeTags(XML::unescape($data->guid));
|
|
$parent_guid = Strings::escapeTags(XML::unescape($data->parent_guid));
|
|
|
|
$contact = self::allowedContactByHandle($importer, $author, true);
|
|
if (!$contact) {
|
|
return false;
|
|
}
|
|
|
|
if (self::messageExists($importer["uid"], $guid)) {
|
|
return true;
|
|
}
|
|
|
|
$parent_item = self::parentItem($importer["uid"], $parent_guid, $author, $contact);
|
|
if (!$parent_item) {
|
|
return false;
|
|
}
|
|
|
|
if (!$parent_item['origin']) {
|
|
Logger::info('Not our origin. Participation is ignored', ['parent_guid' => $parent_guid, 'guid' => $guid, 'author' => $author]);
|
|
}
|
|
|
|
if (!in_array($parent_item['private'], [Item::PUBLIC, Item::UNLISTED])) {
|
|
Logger::info('Item is not public, participation is ignored', ['parent_guid' => $parent_guid, 'guid' => $guid, 'author' => $author]);
|
|
return false;
|
|
}
|
|
|
|
$person = FContact::getByURL($author);
|
|
if (!is_array($person)) {
|
|
Logger::log("Person not found: ".$author);
|
|
return false;
|
|
}
|
|
|
|
$author_contact = self::authorContactByUrl($contact, $person, $importer["uid"]);
|
|
|
|
// Store participation
|
|
$datarray = [];
|
|
|
|
$datarray["protocol"] = Conversation::PARCEL_DIASPORA;
|
|
|
|
$datarray["uid"] = $importer["uid"];
|
|
$datarray["contact-id"] = $author_contact["cid"];
|
|
$datarray["network"] = $author_contact["network"];
|
|
|
|
$datarray["owner-link"] = $datarray["author-link"] = $person["url"];
|
|
$datarray["owner-id"] = $datarray["author-id"] = Contact::getIdForURL($person["url"], 0);
|
|
|
|
$datarray["guid"] = $guid;
|
|
$datarray["uri"] = self::getUriFromGuid($author, $guid);
|
|
|
|
$datarray["verb"] = Activity::FOLLOW;
|
|
$datarray["gravity"] = GRAVITY_ACTIVITY;
|
|
$datarray["parent-uri"] = $parent_item["uri"];
|
|
|
|
$datarray["object-type"] = Activity\ObjectType::NOTE;
|
|
|
|
$datarray["body"] = Activity::FOLLOW;
|
|
|
|
// Diaspora doesn't provide a date for a participation
|
|
$datarray["changed"] = $datarray["created"] = $datarray["edited"] = DateTimeFormat::utcNow();
|
|
|
|
$message_id = Item::insert($datarray);
|
|
|
|
Logger::info('Participation stored', ['id' => $message_id, 'guid' => $guid, 'parent_guid' => $parent_guid, 'author' => $author]);
|
|
|
|
// Send all existing comments and likes to the requesting server
|
|
$comments = Item::select(['id', 'uri-id', 'parent-author-network', 'author-network', 'verb'],
|
|
['parent' => $parent_item['id'], 'gravity' => [GRAVITY_COMMENT, GRAVITY_ACTIVITY]]);
|
|
while ($comment = Item::fetch($comments)) {
|
|
if (in_array($comment['verb'], [Activity::FOLLOW, Activity::TAG])) {
|
|
Logger::info('participation messages are not relayed', ['item' => $comment['id']]);
|
|
continue;
|
|
}
|
|
|
|
if ($comment['author-network'] == Protocol::ACTIVITYPUB) {
|
|
Logger::info('Comments from ActivityPub authors are not relayed', ['item' => $comment['id']]);
|
|
continue;
|
|
}
|
|
|
|
if ($comment['parent-author-network'] == Protocol::ACTIVITYPUB) {
|
|
Logger::info('Comments to comments from ActivityPub authors are not relayed', ['item' => $comment['id']]);
|
|
continue;
|
|
}
|
|
|
|
Logger::info('Deliver participation', ['item' => $comment['id'], 'contact' => $author_contact["cid"]]);
|
|
if (Worker::add(PRIORITY_HIGH, 'Delivery', Delivery::POST, $comment['id'], $author_contact["cid"])) {
|
|
Post\DeliveryData::incrementQueueCount($comment['uri-id'], 1);
|
|
}
|
|
}
|
|
DBA::close($comments);
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Processes photos - unneeded
|
|
*
|
|
* @param array $importer Array of the importer user
|
|
* @param object $data The message object
|
|
*
|
|
* @return bool always true
|
|
*/
|
|
private static function receivePhoto(array $importer, $data)
|
|
{
|
|
// There doesn't seem to be a reason for this function,
|
|
// since the photo data is transmitted in the status message as well
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Processes poll participations - unssupported
|
|
*
|
|
* @param array $importer Array of the importer user
|
|
* @param object $data The message object
|
|
*
|
|
* @return bool always true
|
|
*/
|
|
private static function receivePollParticipation(array $importer, $data)
|
|
{
|
|
// We don't support polls by now
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Processes incoming profile updates
|
|
*
|
|
* @param array $importer Array of the importer user
|
|
* @param object $data The message object
|
|
*
|
|
* @return bool Success
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
private static function receiveProfile(array $importer, $data)
|
|
{
|
|
$author = strtolower(Strings::escapeTags(XML::unescape($data->author)));
|
|
|
|
$contact = self::contactByHandle($importer["uid"], $author);
|
|
if (!$contact) {
|
|
return false;
|
|
}
|
|
|
|
$name = XML::unescape($data->first_name).((strlen($data->last_name)) ? " ".XML::unescape($data->last_name) : "");
|
|
$image_url = XML::unescape($data->image_url);
|
|
$birthday = XML::unescape($data->birthday);
|
|
$about = Markdown::toBBCode(XML::unescape($data->bio));
|
|
$location = Markdown::toBBCode(XML::unescape($data->location));
|
|
$searchable = (XML::unescape($data->searchable) == "true");
|
|
$nsfw = (XML::unescape($data->nsfw) == "true");
|
|
$tags = XML::unescape($data->tag_string);
|
|
|
|
$tags = explode("#", $tags);
|
|
|
|
$keywords = [];
|
|
foreach ($tags as $tag) {
|
|
$tag = trim(strtolower($tag));
|
|
if ($tag != "") {
|
|
$keywords[] = $tag;
|
|
}
|
|
}
|
|
|
|
$keywords = implode(", ", $keywords);
|
|
|
|
$handle_parts = explode("@", $author);
|
|
$nick = $handle_parts[0];
|
|
|
|
if ($name === "") {
|
|
$name = $handle_parts[0];
|
|
}
|
|
|
|
if (preg_match("|^https?://|", $image_url) === 0) {
|
|
$image_url = "http://".$handle_parts[1].$image_url;
|
|
}
|
|
|
|
Contact::updateAvatar($contact["id"], $image_url);
|
|
|
|
// Generic birthday. We don't know the timezone. The year is irrelevant.
|
|
|
|
$birthday = str_replace("1000", "1901", $birthday);
|
|
|
|
if ($birthday != "") {
|
|
$birthday = DateTimeFormat::utc($birthday, "Y-m-d");
|
|
}
|
|
|
|
// this is to prevent multiple birthday notifications in a single year
|
|
// if we already have a stored birthday and the 'm-d' part hasn't changed, preserve the entry, which will preserve the notify year
|
|
|
|
if (substr($birthday, 5) === substr($contact["bd"], 5)) {
|
|
$birthday = $contact["bd"];
|
|
}
|
|
|
|
$fields = ['name' => $name, 'location' => $location,
|
|
'name-date' => DateTimeFormat::utcNow(), 'about' => $about,
|
|
'addr' => $author, 'nick' => $nick, 'keywords' => $keywords,
|
|
'unsearchable' => !$searchable, 'sensitive' => $nsfw];
|
|
|
|
if (!empty($birthday)) {
|
|
$fields['bd'] = $birthday;
|
|
}
|
|
|
|
DBA::update('contact', $fields, ['id' => $contact['id']]);
|
|
|
|
Logger::log("Profile of contact ".$contact["id"]." stored for user ".$importer["uid"], Logger::DEBUG);
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Processes incoming friend requests
|
|
*
|
|
* @param array $importer Array of the importer user
|
|
* @param array $contact The contact that send the request
|
|
* @return void
|
|
* @throws \Exception
|
|
*/
|
|
private static function receiveRequestMakeFriend(array $importer, array $contact)
|
|
{
|
|
if ($contact["rel"] == Contact::SHARING) {
|
|
DBA::update(
|
|
'contact',
|
|
['rel' => Contact::FRIEND, 'writable' => true],
|
|
['id' => $contact["id"], 'uid' => $importer["uid"]]
|
|
);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Processes incoming sharing notification
|
|
*
|
|
* @param array $importer Array of the importer user
|
|
* @param object $data The message object
|
|
*
|
|
* @return bool Success
|
|
* @throws \Exception
|
|
*/
|
|
private static function receiveContactRequest(array $importer, $data)
|
|
{
|
|
$author = XML::unescape($data->author);
|
|
$recipient = XML::unescape($data->recipient);
|
|
|
|
if (!$author || !$recipient) {
|
|
return false;
|
|
}
|
|
|
|
// the current protocol version doesn't know these fields
|
|
// That means that we will assume their existance
|
|
if (isset($data->following)) {
|
|
$following = (XML::unescape($data->following) == "true");
|
|
} else {
|
|
$following = true;
|
|
}
|
|
|
|
if (isset($data->sharing)) {
|
|
$sharing = (XML::unescape($data->sharing) == "true");
|
|
} else {
|
|
$sharing = true;
|
|
}
|
|
|
|
$contact = self::contactByHandle($importer["uid"], $author);
|
|
|
|
// perhaps we were already sharing with this person. Now they're sharing with us.
|
|
// That makes us friends.
|
|
if ($contact) {
|
|
if ($following) {
|
|
Logger::log("Author ".$author." (Contact ".$contact["id"].") wants to follow us.", Logger::DEBUG);
|
|
self::receiveRequestMakeFriend($importer, $contact);
|
|
|
|
// refetch the contact array
|
|
$contact = self::contactByHandle($importer["uid"], $author);
|
|
|
|
// If we are now friends, we are sending a share message.
|
|
// Normally we needn't to do so, but the first message could have been vanished.
|
|
if (in_array($contact["rel"], [Contact::FRIEND])) {
|
|
$user = DBA::selectFirst('user', [], ['uid' => $importer["uid"]]);
|
|
if (DBA::isResult($user)) {
|
|
Logger::log("Sending share message to author ".$author." - Contact: ".$contact["id"]." - User: ".$importer["uid"], Logger::DEBUG);
|
|
self::sendShare($user, $contact);
|
|
}
|
|
}
|
|
return true;
|
|
} else {
|
|
Logger::log("Author ".$author." doesn't want to follow us anymore.", Logger::DEBUG);
|
|
Contact::removeFollower($importer, $contact);
|
|
return true;
|
|
}
|
|
}
|
|
|
|
if (!$following && $sharing && in_array($importer["page-flags"], [User::PAGE_FLAGS_SOAPBOX, User::PAGE_FLAGS_NORMAL])) {
|
|
Logger::log("Author ".$author." wants to share with us - but doesn't want to listen. Request is ignored.", Logger::DEBUG);
|
|
return false;
|
|
} elseif (!$following && !$sharing) {
|
|
Logger::log("Author ".$author." doesn't want anything - and we don't know the author. Request is ignored.", Logger::DEBUG);
|
|
return false;
|
|
} elseif (!$following && $sharing) {
|
|
Logger::log("Author ".$author." wants to share with us.", Logger::DEBUG);
|
|
} elseif ($following && $sharing) {
|
|
Logger::log("Author ".$author." wants to have a bidirectional conection.", Logger::DEBUG);
|
|
} elseif ($following && !$sharing) {
|
|
Logger::log("Author ".$author." wants to listen to us.", Logger::DEBUG);
|
|
}
|
|
|
|
$ret = FContact::getByURL($author);
|
|
|
|
if (!$ret || ($ret["network"] != Protocol::DIASPORA)) {
|
|
Logger::log("Cannot resolve diaspora handle ".$author." for ".$recipient);
|
|
return false;
|
|
}
|
|
|
|
$cid = Contact::getIdForURL($ret['url'], $importer['uid']);
|
|
if (!empty($cid)) {
|
|
$contact = DBA::selectFirst('contact', [], ['id' => $cid, 'network' => Protocol::NATIVE_SUPPORT]);
|
|
} else {
|
|
$contact = [];
|
|
}
|
|
|
|
$item = ['author-id' => Contact::getIdForURL($ret['url']),
|
|
'author-link' => $ret['url']];
|
|
|
|
$result = Contact::addRelationship($importer, $contact, $item, false);
|
|
if ($result === true) {
|
|
$contact_record = self::contactByHandle($importer['uid'], $author);
|
|
if (!$contact_record) {
|
|
Logger::info('unable to locate newly created contact record.');
|
|
return;
|
|
}
|
|
|
|
$user = DBA::selectFirst('user', [], ['uid' => $importer['uid']]);
|
|
if (DBA::isResult($user)) {
|
|
self::sendShare($user, $contact_record);
|
|
|
|
// Send the profile data, maybe it weren't transmitted before
|
|
self::sendProfile($importer['uid'], [$contact_record]);
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Fetches a message with a given guid
|
|
*
|
|
* @param string $guid message guid
|
|
* @param string $orig_author handle of the original post
|
|
* @return array The fetched item
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
public static function originalItem($guid, $orig_author)
|
|
{
|
|
if (empty($guid)) {
|
|
Logger::log('Empty guid. Quitting.');
|
|
return false;
|
|
}
|
|
|
|
// Do we already have this item?
|
|
$fields = ['body', 'title', 'app', 'created', 'object-type', 'uri', 'guid',
|
|
'author-name', 'author-link', 'author-avatar', 'plink', 'uri-id'];
|
|
$condition = ['guid' => $guid, 'visible' => true, 'deleted' => false, 'private' => [Item::PUBLIC, Item::UNLISTED]];
|
|
$item = Item::selectFirst($fields, $condition);
|
|
|
|
if (DBA::isResult($item)) {
|
|
Logger::log("reshared message ".$guid." already exists on system.");
|
|
|
|
// Maybe it is already a reshared item?
|
|
// Then refetch the content, if it is a reshare from a reshare.
|
|
// If it is a reshared post from another network then reformat to avoid display problems with two share elements
|
|
if (self::isReshare($item["body"], true)) {
|
|
$item = [];
|
|
} elseif (self::isReshare($item["body"], false) || strstr($item["body"], "[share")) {
|
|
$item["body"] = Markdown::toBBCode(BBCode::toMarkdown($item["body"]));
|
|
|
|
$item["body"] = self::replacePeopleGuid($item["body"], $item["author-link"]);
|
|
|
|
// Add OEmbed and other information to the body
|
|
$item["body"] = PageInfo::searchAndAppendToBody($item["body"], false, true);
|
|
|
|
return $item;
|
|
} else {
|
|
return $item;
|
|
}
|
|
}
|
|
|
|
if (!DBA::isResult($item)) {
|
|
if (empty($orig_author)) {
|
|
Logger::log('Empty author for guid ' . $guid . '. Quitting.');
|
|
return false;
|
|
}
|
|
|
|
$server = "https://".substr($orig_author, strpos($orig_author, "@") + 1);
|
|
Logger::log("1st try: reshared message ".$guid." will be fetched via SSL from the server ".$server);
|
|
$stored = self::storeByGuid($guid, $server);
|
|
|
|
if (!$stored) {
|
|
$server = "http://".substr($orig_author, strpos($orig_author, "@") + 1);
|
|
Logger::log("2nd try: reshared message ".$guid." will be fetched without SSL from the server ".$server);
|
|
$stored = self::storeByGuid($guid, $server);
|
|
}
|
|
|
|
if ($stored) {
|
|
$fields = ['body', 'title', 'app', 'created', 'object-type', 'uri', 'guid',
|
|
'author-name', 'author-link', 'author-avatar', 'plink', 'uri-id'];
|
|
$condition = ['guid' => $guid, 'visible' => true, 'deleted' => false, 'private' => [Item::PUBLIC, Item::UNLISTED]];
|
|
$item = Item::selectFirst($fields, $condition);
|
|
|
|
if (DBA::isResult($item)) {
|
|
// If it is a reshared post from another network then reformat to avoid display problems with two share elements
|
|
if (self::isReshare($item["body"], false)) {
|
|
$item["body"] = Markdown::toBBCode(BBCode::toMarkdown($item["body"]));
|
|
$item["body"] = self::replacePeopleGuid($item["body"], $item["author-link"]);
|
|
}
|
|
|
|
return $item;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Stores a reshare activity
|
|
*
|
|
* @param array $item Array of reshare post
|
|
* @param integer $parent_message_id Id of the parent post
|
|
* @param string $guid GUID string of reshare action
|
|
* @param string $author Author handle
|
|
*/
|
|
private static function addReshareActivity($item, $parent_message_id, $guid, $author)
|
|
{
|
|
$parent = Item::selectFirst(['uri', 'guid'], ['id' => $parent_message_id]);
|
|
|
|
$datarray = [];
|
|
|
|
$datarray['uid'] = $item['uid'];
|
|
$datarray['contact-id'] = $item['contact-id'];
|
|
$datarray['network'] = $item['network'];
|
|
|
|
$datarray['author-link'] = $item['author-link'];
|
|
$datarray['author-id'] = $item['author-id'];
|
|
|
|
$datarray['owner-link'] = $datarray['author-link'];
|
|
$datarray['owner-id'] = $datarray['author-id'];
|
|
|
|
$datarray['guid'] = $parent['guid'] . '-' . $guid;
|
|
$datarray['uri'] = self::getUriFromGuid($author, $datarray['guid']);
|
|
$datarray['parent-uri'] = $parent['uri'];
|
|
|
|
$datarray['verb'] = $datarray['body'] = Activity::ANNOUNCE;
|
|
$datarray['gravity'] = GRAVITY_ACTIVITY;
|
|
$datarray['object-type'] = Activity\ObjectType::NOTE;
|
|
|
|
$datarray['protocol'] = $item['protocol'];
|
|
|
|
$datarray['plink'] = self::plink($author, $datarray['guid']);
|
|
$datarray['private'] = $item['private'];
|
|
$datarray['changed'] = $datarray['created'] = $datarray['edited'] = $item['created'];
|
|
|
|
$message_id = Item::insert($datarray);
|
|
|
|
if ($message_id) {
|
|
Logger::info('Stored reshare activity.', ['guid' => $guid, 'id' => $message_id]);
|
|
if ($datarray['uid'] == 0) {
|
|
Item::distribute($message_id);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Processes a reshare message
|
|
*
|
|
* @param array $importer Array of the importer user
|
|
* @param object $data The message object
|
|
* @param string $xml The original XML of the message
|
|
*
|
|
* @return int the message id
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
private static function receiveReshare(array $importer, $data, $xml)
|
|
{
|
|
$author = Strings::escapeTags(XML::unescape($data->author));
|
|
$guid = Strings::escapeTags(XML::unescape($data->guid));
|
|
$created_at = DateTimeFormat::utc(Strings::escapeTags(XML::unescape($data->created_at)));
|
|
$root_author = Strings::escapeTags(XML::unescape($data->root_author));
|
|
$root_guid = Strings::escapeTags(XML::unescape($data->root_guid));
|
|
/// @todo handle unprocessed property "provider_display_name"
|
|
$public = Strings::escapeTags(XML::unescape($data->public));
|
|
|
|
$contact = self::allowedContactByHandle($importer, $author, false);
|
|
if (!$contact) {
|
|
return false;
|
|
}
|
|
|
|
$message_id = self::messageExists($importer["uid"], $guid);
|
|
if ($message_id) {
|
|
return true;
|
|
}
|
|
|
|
$original_item = self::originalItem($root_guid, $root_author);
|
|
if (!$original_item) {
|
|
return false;
|
|
}
|
|
|
|
$datarray = [];
|
|
|
|
$datarray["uid"] = $importer["uid"];
|
|
$datarray["contact-id"] = $contact["id"];
|
|
$datarray["network"] = Protocol::DIASPORA;
|
|
|
|
$datarray["author-link"] = $contact["url"];
|
|
$datarray["author-id"] = Contact::getIdForURL($contact["url"], 0);
|
|
|
|
$datarray["owner-link"] = $datarray["author-link"];
|
|
$datarray["owner-id"] = $datarray["author-id"];
|
|
|
|
$datarray["guid"] = $guid;
|
|
$datarray["uri"] = $datarray["parent-uri"] = self::getUriFromGuid($author, $guid);
|
|
$datarray['uri-id'] = ItemURI::insert(['uri' => $datarray['uri'], 'guid' => $datarray['guid']]);
|
|
|
|
$datarray["verb"] = Activity::POST;
|
|
$datarray["gravity"] = GRAVITY_PARENT;
|
|
|
|
$datarray["protocol"] = Conversation::PARCEL_DIASPORA;
|
|
$datarray["source"] = $xml;
|
|
|
|
/// @todo Copy tag data from original post
|
|
|
|
$prefix = BBCode::getShareOpeningTag(
|
|
$original_item["author-name"],
|
|
$original_item["author-link"],
|
|
$original_item["author-avatar"],
|
|
$original_item["plink"],
|
|
$original_item["created"],
|
|
$original_item["guid"]
|
|
);
|
|
|
|
if (!empty($original_item['title'])) {
|
|
$prefix .= '[h3]' . $original_item['title'] . "[/h3]\n";
|
|
}
|
|
|
|
$datarray["body"] = $prefix.$original_item["body"]."[/share]";
|
|
|
|
Tag::storeFromBody($datarray['uri-id'], $datarray["body"]);
|
|
|
|
Post\Media::copy($original_item['uri-id'], $datarray['uri-id']);
|
|
$datarray["app"] = $original_item["app"];
|
|
|
|
$datarray["plink"] = self::plink($author, $guid);
|
|
$datarray["private"] = (($public == "false") ? Item::PRIVATE : Item::PUBLIC);
|
|
$datarray["changed"] = $datarray["created"] = $datarray["edited"] = $created_at;
|
|
|
|
$datarray["object-type"] = $original_item["object-type"];
|
|
|
|
self::fetchGuid($datarray);
|
|
$message_id = Item::insert($datarray);
|
|
|
|
self::sendParticipation($contact, $datarray);
|
|
|
|
$root_message_id = self::messageExists($importer["uid"], $root_guid);
|
|
if ($root_message_id) {
|
|
self::addReshareActivity($datarray, $root_message_id, $guid, $author);
|
|
}
|
|
|
|
if ($message_id) {
|
|
Logger::log("Stored reshare ".$datarray["guid"]." with message id ".$message_id, Logger::DEBUG);
|
|
if ($datarray['uid'] == 0) {
|
|
Item::distribute($message_id);
|
|
}
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Processes retractions
|
|
*
|
|
* @param array $importer Array of the importer user
|
|
* @param array $contact The contact of the item owner
|
|
* @param object $data The message object
|
|
*
|
|
* @return bool success
|
|
* @throws \Exception
|
|
*/
|
|
private static function itemRetraction(array $importer, array $contact, $data)
|
|
{
|
|
$author = Strings::escapeTags(XML::unescape($data->author));
|
|
$target_guid = Strings::escapeTags(XML::unescape($data->target_guid));
|
|
$target_type = Strings::escapeTags(XML::unescape($data->target_type));
|
|
|
|
$person = FContact::getByURL($author);
|
|
if (!is_array($person)) {
|
|
Logger::log("unable to find author detail for ".$author);
|
|
return false;
|
|
}
|
|
|
|
if (empty($contact["url"])) {
|
|
$contact["url"] = $person["url"];
|
|
}
|
|
|
|
// Fetch items that are about to be deleted
|
|
$fields = ['uid', 'id', 'parent', 'parent-uri', 'author-link', 'file'];
|
|
|
|
// When we receive a public retraction, we delete every item that we find.
|
|
if ($importer['uid'] == 0) {
|
|
$condition = ['guid' => $target_guid, 'deleted' => false];
|
|
} else {
|
|
$condition = ['guid' => $target_guid, 'deleted' => false, 'uid' => $importer['uid']];
|
|
}
|
|
|
|
$r = Item::select($fields, $condition);
|
|
if (!DBA::isResult($r)) {
|
|
Logger::log("Target guid ".$target_guid." was not found on this system for user ".$importer['uid'].".");
|
|
return false;
|
|
}
|
|
|
|
while ($item = Item::fetch($r)) {
|
|
if (strstr($item['file'], '[')) {
|
|
Logger::log("Target guid " . $target_guid . " for user " . $item['uid'] . " is filed. So it won't be deleted.", Logger::DEBUG);
|
|
continue;
|
|
}
|
|
|
|
// Fetch the parent item
|
|
$parent = Item::selectFirst(['author-link'], ['id' => $item['parent']]);
|
|
|
|
// Only delete it if the parent author really fits
|
|
if (!Strings::compareLink($parent["author-link"], $contact["url"]) && !Strings::compareLink($item["author-link"], $contact["url"])) {
|
|
Logger::log("Thread author ".$parent["author-link"]." and item author ".$item["author-link"]." don't fit to expected contact ".$contact["url"], Logger::DEBUG);
|
|
continue;
|
|
}
|
|
|
|
Item::markForDeletion(['id' => $item['id']]);
|
|
|
|
Logger::log("Deleted target ".$target_guid." (".$item["id"].") from user ".$item["uid"]." parent: ".$item['parent'], Logger::DEBUG);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Receives retraction messages
|
|
*
|
|
* @param array $importer Array of the importer user
|
|
* @param string $sender The sender of the message
|
|
* @param object $data The message object
|
|
*
|
|
* @return bool Success
|
|
* @throws \Exception
|
|
*/
|
|
private static function receiveRetraction(array $importer, $sender, $data)
|
|
{
|
|
$target_type = Strings::escapeTags(XML::unescape($data->target_type));
|
|
|
|
$contact = self::contactByHandle($importer["uid"], $sender);
|
|
if (!$contact && (in_array($target_type, ["Contact", "Person"]))) {
|
|
Logger::log("cannot find contact for sender: ".$sender." and user ".$importer["uid"]);
|
|
return false;
|
|
}
|
|
|
|
if (!$contact) {
|
|
$contact = [];
|
|
}
|
|
|
|
Logger::log("Got retraction for ".$target_type.", sender ".$sender." and user ".$importer["uid"], Logger::DEBUG);
|
|
|
|
switch ($target_type) {
|
|
case "Comment":
|
|
case "Like":
|
|
case "Post":
|
|
case "Reshare":
|
|
case "StatusMessage":
|
|
return self::itemRetraction($importer, $contact, $data);
|
|
|
|
case "PollParticipation":
|
|
case "Photo":
|
|
// Currently unsupported
|
|
break;
|
|
|
|
default:
|
|
Logger::log("Unknown target type ".$target_type);
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Checks if an incoming message is wanted
|
|
*
|
|
* @param string $url
|
|
* @param integer $uriid
|
|
* @param string $author
|
|
* @param string $body
|
|
* @return boolean Is the message wanted?
|
|
*/
|
|
private static function isSolicitedMessage(string $url, int $uriid, string $author, string $body)
|
|
{
|
|
$contact = Contact::getByURL($author);
|
|
if (DBA::exists('contact', ["`nurl` = ? AND `uid` != ? AND `rel` IN (?, ?)",
|
|
$contact['nurl'], 0, Contact::FRIEND, Contact::SHARING])) {
|
|
Logger::info('Author has got followers - accepted', ['url' => $url, 'author' => $author]);
|
|
return true;
|
|
}
|
|
|
|
$taglist = Tag::getByURIId($uriid, [Tag::HASHTAG]);
|
|
$tags = array_column($taglist, 'name');
|
|
return Relay::isSolicitedPost($tags, $body, $contact['id'], $url, Protocol::DIASPORA);
|
|
}
|
|
|
|
/**
|
|
* Store an attached photo in the post-media table
|
|
*
|
|
* @param int $uriid
|
|
* @param object $photo
|
|
* @return void
|
|
*/
|
|
private static function storePhotoAsMedia(int $uriid, $photo)
|
|
{
|
|
$data = [];
|
|
$data['uri-id'] = $uriid;
|
|
$data['type'] = Post\Media::IMAGE;
|
|
$data['url'] = XML::unescape($photo->remote_photo_path) . XML::unescape($photo->remote_photo_name);
|
|
$data['height'] = (int)XML::unescape($photo->height ?? 0);
|
|
$data['width'] = (int)XML::unescape($photo->width ?? 0);
|
|
$data['description'] = XML::unescape($photo->text ?? '');
|
|
|
|
Post\Media::insert($data);
|
|
}
|
|
|
|
/**
|
|
* Receives status messages
|
|
*
|
|
* @param array $importer Array of the importer user
|
|
* @param SimpleXMLElement $data The message object
|
|
* @param string $xml The original XML of the message
|
|
* @param bool $fetched The message had been fetched and not pushed
|
|
* @return int The message id of the newly created item
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
private static function receiveStatusMessage(array $importer, SimpleXMLElement $data, $xml, bool $fetched)
|
|
{
|
|
$author = Strings::escapeTags(XML::unescape($data->author));
|
|
$guid = Strings::escapeTags(XML::unescape($data->guid));
|
|
$created_at = DateTimeFormat::utc(Strings::escapeTags(XML::unescape($data->created_at)));
|
|
$public = Strings::escapeTags(XML::unescape($data->public));
|
|
$text = XML::unescape($data->text);
|
|
$provider_display_name = Strings::escapeTags(XML::unescape($data->provider_display_name));
|
|
|
|
$contact = self::allowedContactByHandle($importer, $author, false);
|
|
if (!$contact) {
|
|
return false;
|
|
}
|
|
|
|
$message_id = self::messageExists($importer["uid"], $guid);
|
|
if ($message_id) {
|
|
return true;
|
|
}
|
|
|
|
$address = [];
|
|
if ($data->location) {
|
|
foreach ($data->location->children() as $fieldname => $data) {
|
|
$address[$fieldname] = Strings::escapeTags(XML::unescape($data));
|
|
}
|
|
}
|
|
|
|
$raw_body = $body = Markdown::toBBCode($text);
|
|
|
|
$datarray = [];
|
|
|
|
$datarray["guid"] = $guid;
|
|
$datarray["uri"] = $datarray["parent-uri"] = self::getUriFromGuid($author, $guid);
|
|
$datarray['uri-id'] = ItemURI::insert(['uri' => $datarray['uri'], 'guid' => $datarray['guid']]);
|
|
|
|
// Attach embedded pictures to the body
|
|
if ($data->photo) {
|
|
foreach ($data->photo as $photo) {
|
|
self::storePhotoAsMedia($datarray['uri-id'], $photo);
|
|
$body = "[img]".XML::unescape($photo->remote_photo_path).
|
|
XML::unescape($photo->remote_photo_name)."[/img]\n".$body;
|
|
}
|
|
|
|
$datarray["object-type"] = Activity\ObjectType::IMAGE;
|
|
} else {
|
|
$datarray["object-type"] = Activity\ObjectType::NOTE;
|
|
|
|
// Add OEmbed and other information to the body
|
|
if (!self::isHubzilla($contact["url"])) {
|
|
$body = PageInfo::searchAndAppendToBody($body, false, true);
|
|
}
|
|
}
|
|
|
|
/// @todo enable support for polls
|
|
//if ($data->poll) {
|
|
// foreach ($data->poll AS $poll)
|
|
// print_r($poll);
|
|
// die("poll!\n");
|
|
//}
|
|
|
|
/// @todo enable support for events
|
|
|
|
$datarray["uid"] = $importer["uid"];
|
|
$datarray["contact-id"] = $contact["id"];
|
|
$datarray["network"] = Protocol::DIASPORA;
|
|
|
|
$datarray["author-link"] = $contact["url"];
|
|
$datarray["author-id"] = Contact::getIdForURL($contact["url"], 0);
|
|
|
|
$datarray["owner-link"] = $datarray["author-link"];
|
|
$datarray["owner-id"] = $datarray["author-id"];
|
|
|
|
$datarray["verb"] = Activity::POST;
|
|
$datarray["gravity"] = GRAVITY_PARENT;
|
|
|
|
$datarray["protocol"] = Conversation::PARCEL_DIASPORA;
|
|
$datarray["source"] = $xml;
|
|
|
|
if ($fetched) {
|
|
$datarray["post-type"] = Item::PT_FETCHED;
|
|
} elseif ($datarray["uid"] == 0) {
|
|
$datarray["post-type"] = Item::PT_GLOBAL;
|
|
}
|
|
|
|
$datarray["body"] = self::replacePeopleGuid($body, $contact["url"]);
|
|
$datarray["raw-body"] = self::replacePeopleGuid($raw_body, $contact["url"]);
|
|
|
|
self::storeMentions($datarray['uri-id'], $text);
|
|
Tag::storeRawTagsFromBody($datarray['uri-id'], $datarray["body"]);
|
|
|
|
if (!$fetched && !self::isSolicitedMessage($datarray["uri"], $datarray['uri-id'], $author, $body)) {
|
|
DBA::delete('item-uri', ['uri' => $datarray['uri']]);
|
|
return false;
|
|
}
|
|
|
|
if ($provider_display_name != "") {
|
|
$datarray["app"] = $provider_display_name;
|
|
}
|
|
|
|
$datarray["plink"] = self::plink($author, $guid);
|
|
$datarray["private"] = (($public == "false") ? Item::PRIVATE : Item::PUBLIC);
|
|
$datarray["changed"] = $datarray["created"] = $datarray["edited"] = $created_at;
|
|
|
|
if (isset($address["address"])) {
|
|
$datarray["location"] = $address["address"];
|
|
}
|
|
|
|
if (isset($address["lat"]) && isset($address["lng"])) {
|
|
$datarray["coord"] = $address["lat"]." ".$address["lng"];
|
|
}
|
|
|
|
self::fetchGuid($datarray);
|
|
$message_id = Item::insert($datarray);
|
|
|
|
self::sendParticipation($contact, $datarray);
|
|
|
|
if ($message_id) {
|
|
Logger::log("Stored item ".$datarray["guid"]." with message id ".$message_id, Logger::DEBUG);
|
|
if ($datarray['uid'] == 0) {
|
|
Item::distribute($message_id);
|
|
}
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/* ************************************************************************************** *
|
|
* Here are all the functions that are needed to transmit data with the Diaspora protocol *
|
|
* ************************************************************************************** */
|
|
|
|
/**
|
|
* returnes the handle of a contact
|
|
*
|
|
* @param array $contact contact array
|
|
*
|
|
* @return string the handle in the format user@domain.tld
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
*/
|
|
private static function myHandle(array $contact)
|
|
{
|
|
if (!empty($contact["addr"])) {
|
|
return $contact["addr"];
|
|
}
|
|
|
|
// Normally we should have a filled "addr" field - but in the past this wasn't the case
|
|
// So - just in case - we build the the address here.
|
|
if ($contact["nickname"] != "") {
|
|
$nick = $contact["nickname"];
|
|
} else {
|
|
$nick = $contact["nick"];
|
|
}
|
|
|
|
return $nick . "@" . substr(DI::baseUrl(), strpos(DI::baseUrl(), "://") + 3);
|
|
}
|
|
|
|
|
|
/**
|
|
* Creates the data for a private message in the new format
|
|
*
|
|
* @param string $msg The message that is to be transmitted
|
|
* @param array $user The record of the sender
|
|
* @param array $contact Target of the communication
|
|
* @param string $prvkey The private key of the sender
|
|
* @param string $pubkey The public key of the receiver
|
|
*
|
|
* @return string The encrypted data
|
|
* @throws \Exception
|
|
*/
|
|
public static function encodePrivateData($msg, array $user, array $contact, $prvkey, $pubkey)
|
|
{
|
|
Logger::log("Message: ".$msg, Logger::DATA);
|
|
|
|
// without a public key nothing will work
|
|
if (!$pubkey) {
|
|
Logger::log("pubkey missing: contact id: ".$contact["id"]);
|
|
return false;
|
|
}
|
|
|
|
$aes_key = openssl_random_pseudo_bytes(32);
|
|
$b_aes_key = base64_encode($aes_key);
|
|
$iv = openssl_random_pseudo_bytes(16);
|
|
$b_iv = base64_encode($iv);
|
|
|
|
$ciphertext = self::aesEncrypt($aes_key, $iv, $msg);
|
|
|
|
$json = json_encode(["iv" => $b_iv, "key" => $b_aes_key]);
|
|
|
|
$encrypted_key_bundle = "";
|
|
if (!@openssl_public_encrypt($json, $encrypted_key_bundle, $pubkey)) {
|
|
return false;
|
|
}
|
|
|
|
$json_object = json_encode(
|
|
["aes_key" => base64_encode($encrypted_key_bundle),
|
|
"encrypted_magic_envelope" => base64_encode($ciphertext)]
|
|
);
|
|
|
|
return $json_object;
|
|
}
|
|
|
|
/**
|
|
* Creates the envelope for the "fetch" endpoint and for the new format
|
|
*
|
|
* @param string $msg The message that is to be transmitted
|
|
* @param array $user The record of the sender
|
|
*
|
|
* @return string The envelope
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
*/
|
|
public static function buildMagicEnvelope($msg, array $user)
|
|
{
|
|
$b64url_data = Strings::base64UrlEncode($msg);
|
|
$data = str_replace(["\n", "\r", " ", "\t"], ["", "", "", ""], $b64url_data);
|
|
|
|
$key_id = Strings::base64UrlEncode(self::myHandle($user));
|
|
$type = "application/xml";
|
|
$encoding = "base64url";
|
|
$alg = "RSA-SHA256";
|
|
$signable_data = $data.".".Strings::base64UrlEncode($type).".".Strings::base64UrlEncode($encoding).".".Strings::base64UrlEncode($alg);
|
|
|
|
// Fallback if the private key wasn't transmitted in the expected field
|
|
if ($user['uprvkey'] == "") {
|
|
$user['uprvkey'] = $user['prvkey'];
|
|
}
|
|
|
|
$signature = Crypto::rsaSign($signable_data, $user["uprvkey"]);
|
|
$sig = Strings::base64UrlEncode($signature);
|
|
|
|
$xmldata = ["me:env" => ["me:data" => $data,
|
|
"@attributes" => ["type" => $type],
|
|
"me:encoding" => $encoding,
|
|
"me:alg" => $alg,
|
|
"me:sig" => $sig,
|
|
"@attributes2" => ["key_id" => $key_id]]];
|
|
|
|
$namespaces = ["me" => "http://salmon-protocol.org/ns/magic-env"];
|
|
|
|
return XML::fromArray($xmldata, $xml, false, $namespaces);
|
|
}
|
|
|
|
/**
|
|
* Create the envelope for a message
|
|
*
|
|
* @param string $msg The message that is to be transmitted
|
|
* @param array $user The record of the sender
|
|
* @param array $contact Target of the communication
|
|
* @param string $prvkey The private key of the sender
|
|
* @param string $pubkey The public key of the receiver
|
|
* @param bool $public Is the message public?
|
|
*
|
|
* @return string The message that will be transmitted to other servers
|
|
* @throws \Exception
|
|
*/
|
|
public static function buildMessage($msg, array $user, array $contact, $prvkey, $pubkey, $public = false)
|
|
{
|
|
// The message is put into an envelope with the sender's signature
|
|
$envelope = self::buildMagicEnvelope($msg, $user);
|
|
|
|
// Private messages are put into a second envelope, encrypted with the receivers public key
|
|
if (!$public) {
|
|
$envelope = self::encodePrivateData($envelope, $user, $contact, $prvkey, $pubkey);
|
|
}
|
|
|
|
return $envelope;
|
|
}
|
|
|
|
/**
|
|
* Creates a signature for a message
|
|
*
|
|
* @param array $owner the array of the owner of the message
|
|
* @param array $message The message that is to be signed
|
|
*
|
|
* @return string The signature
|
|
*/
|
|
private static function signature($owner, $message)
|
|
{
|
|
$sigmsg = $message;
|
|
unset($sigmsg["author_signature"]);
|
|
unset($sigmsg["parent_author_signature"]);
|
|
|
|
$signed_text = implode(";", $sigmsg);
|
|
|
|
return base64_encode(Crypto::rsaSign($signed_text, $owner["uprvkey"], "sha256"));
|
|
}
|
|
|
|
/**
|
|
* Transmit a message to a target server
|
|
*
|
|
* @param array $owner the array of the item owner
|
|
* @param array $contact Target of the communication
|
|
* @param string $envelope The message that is to be transmitted
|
|
* @param bool $public_batch Is it a public post?
|
|
* @param string $guid message guid
|
|
*
|
|
* @return int Result of the transmission
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
private static function transmit(array $owner, array $contact, $envelope, $public_batch, $guid = "")
|
|
{
|
|
$enabled = intval(DI::config()->get("system", "diaspora_enabled"));
|
|
if (!$enabled) {
|
|
return 200;
|
|
}
|
|
|
|
$logid = Strings::getRandomHex(4);
|
|
|
|
// We always try to use the data from the fcontact table.
|
|
// This is important for transmitting data to Friendica servers.
|
|
if (!empty($contact['addr'])) {
|
|
$fcontact = FContact::getByURL($contact['addr']);
|
|
if (!empty($fcontact)) {
|
|
$dest_url = ($public_batch ? $fcontact["batch"] : $fcontact["notify"]);
|
|
}
|
|
}
|
|
|
|
if (empty($dest_url)) {
|
|
$dest_url = ($public_batch ? $contact["batch"] : $contact["notify"]);
|
|
}
|
|
|
|
if (!$dest_url) {
|
|
Logger::log("no url for contact: ".$contact["id"]." batch mode =".$public_batch);
|
|
return 0;
|
|
}
|
|
|
|
Logger::log("transmit: ".$logid."-".$guid." ".$dest_url);
|
|
|
|
if (!intval(DI::config()->get("system", "diaspora_test"))) {
|
|
$content_type = (($public_batch) ? "application/magic-envelope+xml" : "application/json");
|
|
|
|
$postResult = DI::httpRequest()->post($dest_url . "/", $envelope, ["Content-Type: " . $content_type]);
|
|
$return_code = $postResult->getReturnCode();
|
|
} else {
|
|
Logger::log("test_mode");
|
|
return 200;
|
|
}
|
|
|
|
Logger::log("transmit: ".$logid."-".$guid." to ".$dest_url." returns: ".$return_code);
|
|
|
|
return $return_code ? $return_code : -1;
|
|
}
|
|
|
|
|
|
/**
|
|
* Build the post xml
|
|
*
|
|
* @param string $type The message type
|
|
* @param array $message The message data
|
|
*
|
|
* @return string The post XML
|
|
*/
|
|
public static function buildPostXml($type, $message)
|
|
{
|
|
$data = [$type => $message];
|
|
|
|
return XML::fromArray($data, $xml);
|
|
}
|
|
|
|
/**
|
|
* Builds and transmit messages
|
|
*
|
|
* @param array $owner the array of the item owner
|
|
* @param array $contact Target of the communication
|
|
* @param string $type The message type
|
|
* @param array $message The message data
|
|
* @param bool $public_batch Is it a public post?
|
|
* @param string $guid message guid
|
|
*
|
|
* @return int Result of the transmission
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
private static function buildAndTransmit(array $owner, array $contact, $type, $message, $public_batch = false, $guid = "")
|
|
{
|
|
$msg = self::buildPostXml($type, $message);
|
|
|
|
Logger::log('message: '.$msg, Logger::DATA);
|
|
Logger::log('send guid '.$guid, Logger::DEBUG);
|
|
|
|
// Fallback if the private key wasn't transmitted in the expected field
|
|
if (empty($owner['uprvkey'])) {
|
|
$owner['uprvkey'] = $owner['prvkey'];
|
|
}
|
|
|
|
$envelope = self::buildMessage($msg, $owner, $contact, $owner['uprvkey'], $contact['pubkey'], $public_batch);
|
|
|
|
$return_code = self::transmit($owner, $contact, $envelope, $public_batch, $guid);
|
|
|
|
Logger::log("guid: ".$guid." result ".$return_code, Logger::DEBUG);
|
|
|
|
return $return_code;
|
|
}
|
|
|
|
/**
|
|
* sends a participation (Used to get all further updates)
|
|
*
|
|
* @param array $contact Target of the communication
|
|
* @param array $item Item array
|
|
*
|
|
* @return int The result of the transmission
|
|
* @throws \Exception
|
|
*/
|
|
private static function sendParticipation(array $contact, array $item)
|
|
{
|
|
// Don't send notifications for private postings
|
|
if ($item['private'] == Item::PRIVATE) {
|
|
return;
|
|
}
|
|
|
|
$cachekey = "diaspora:sendParticipation:".$item['guid'];
|
|
|
|
$result = DI::cache()->get($cachekey);
|
|
if (!is_null($result)) {
|
|
return;
|
|
}
|
|
|
|
// Fetch some user id to have a valid handle to transmit the participation.
|
|
// In fact it doesn't matter which user sends this - but it is needed by the protocol.
|
|
// If the item belongs to a user, we take this user id.
|
|
if ($item['uid'] == 0) {
|
|
$condition = ['verified' => true, 'blocked' => false, 'account_removed' => false, 'account_expired' => false];
|
|
$first_user = DBA::selectFirst('user', ['uid'], $condition);
|
|
$owner = User::getOwnerDataById($first_user['uid']);
|
|
} else {
|
|
$owner = User::getOwnerDataById($item['uid']);
|
|
}
|
|
|
|
$author = self::myHandle($owner);
|
|
|
|
$message = ["author" => $author,
|
|
"guid" => System::createUUID(),
|
|
"parent_type" => "Post",
|
|
"parent_guid" => $item["guid"]];
|
|
|
|
Logger::log("Send participation for ".$item["guid"]." by ".$author, Logger::DEBUG);
|
|
|
|
// It doesn't matter what we store, we only want to avoid sending repeated notifications for the same item
|
|
DI::cache()->set($cachekey, $item["guid"], Duration::QUARTER_HOUR);
|
|
|
|
return self::buildAndTransmit($owner, $contact, "participation", $message);
|
|
}
|
|
|
|
/**
|
|
* sends an account migration
|
|
*
|
|
* @param array $owner the array of the item owner
|
|
* @param array $contact Target of the communication
|
|
* @param int $uid User ID
|
|
*
|
|
* @return int The result of the transmission
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
public static function sendAccountMigration(array $owner, array $contact, $uid)
|
|
{
|
|
$old_handle = DI::pConfig()->get($uid, 'system', 'previous_addr');
|
|
$profile = self::createProfileData($uid);
|
|
|
|
$signed_text = 'AccountMigration:'.$old_handle.':'.$profile['author'];
|
|
$signature = base64_encode(Crypto::rsaSign($signed_text, $owner["uprvkey"], "sha256"));
|
|
|
|
$message = ["author" => $old_handle,
|
|
"profile" => $profile,
|
|
"signature" => $signature];
|
|
|
|
Logger::info('Send account migration', ['msg' => $message]);
|
|
|
|
return self::buildAndTransmit($owner, $contact, "account_migration", $message);
|
|
}
|
|
|
|
/**
|
|
* Sends a "share" message
|
|
*
|
|
* @param array $owner the array of the item owner
|
|
* @param array $contact Target of the communication
|
|
*
|
|
* @return int The result of the transmission
|
|
* @throws \Exception
|
|
*/
|
|
public static function sendShare(array $owner, array $contact)
|
|
{
|
|
/**
|
|
* @todo support the different possible combinations of "following" and "sharing"
|
|
* Currently, Diaspora only interprets the "sharing" field
|
|
*
|
|
* Before switching this code productive, we have to check all "sendShare" calls if "rel" is set correctly
|
|
*/
|
|
|
|
/*
|
|
switch ($contact["rel"]) {
|
|
case Contact::FRIEND:
|
|
$following = true;
|
|
$sharing = true;
|
|
|
|
case Contact::SHARING:
|
|
$following = false;
|
|
$sharing = true;
|
|
|
|
case Contact::FOLLOWER:
|
|
$following = true;
|
|
$sharing = false;
|
|
}
|
|
*/
|
|
|
|
$message = ["author" => self::myHandle($owner),
|
|
"recipient" => $contact["addr"],
|
|
"following" => "true",
|
|
"sharing" => "true"];
|
|
|
|
Logger::info('Send share', ['msg' => $message]);
|
|
|
|
return self::buildAndTransmit($owner, $contact, "contact", $message);
|
|
}
|
|
|
|
/**
|
|
* sends an "unshare"
|
|
*
|
|
* @param array $owner the array of the item owner
|
|
* @param array $contact Target of the communication
|
|
*
|
|
* @return int The result of the transmission
|
|
* @throws \Exception
|
|
*/
|
|
public static function sendUnshare(array $owner, array $contact)
|
|
{
|
|
$message = ["author" => self::myHandle($owner),
|
|
"recipient" => $contact["addr"],
|
|
"following" => "false",
|
|
"sharing" => "false"];
|
|
|
|
Logger::info('Send unshare', ['msg' => $message]);
|
|
|
|
return self::buildAndTransmit($owner, $contact, "contact", $message);
|
|
}
|
|
|
|
/**
|
|
* Checks a message body if it is a reshare
|
|
*
|
|
* @param string $body The message body that is to be check
|
|
* @param bool $complete Should it be a complete check or a simple check?
|
|
*
|
|
* @return array|bool Reshare details or "false" if no reshare
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
public static function isReshare($body, $complete = true)
|
|
{
|
|
$body = trim($body);
|
|
|
|
$reshared = Item::getShareArray(['body' => $body]);
|
|
if (empty($reshared)) {
|
|
return false;
|
|
}
|
|
|
|
// Skip if it isn't a pure repeated messages
|
|
// Does it start with a share?
|
|
if (!empty($reshared['comment']) && $complete) {
|
|
return false;
|
|
}
|
|
|
|
if (!empty($reshared['guid']) && $complete) {
|
|
$condition = ['guid' => $reshared['guid'], 'network' => [Protocol::DFRN, Protocol::DIASPORA]];
|
|
$item = Item::selectFirst(['contact-id'], $condition);
|
|
if (DBA::isResult($item)) {
|
|
$ret = [];
|
|
$ret["root_handle"] = self::handleFromContact($item["contact-id"]);
|
|
$ret["root_guid"] = $reshared['guid'];
|
|
return $ret;
|
|
} elseif ($complete) {
|
|
// We are resharing something that isn't a DFRN or Diaspora post.
|
|
// So we have to return "false" on "$complete" to not trigger a reshare.
|
|
return false;
|
|
}
|
|
} elseif (empty($reshared['guid']) && $complete) {
|
|
return false;
|
|
}
|
|
|
|
$ret = [];
|
|
|
|
if (!empty($reshared['profile']) && ($cid = Contact::getIdForURL($reshared['profile']))) {
|
|
$contact = DBA::selectFirst('contact', ['addr'], ['id' => $cid]);
|
|
if (!empty($contact['addr'])) {
|
|
$ret['root_handle'] = $contact['addr'];
|
|
}
|
|
}
|
|
|
|
if (empty($ret) && !$complete) {
|
|
return true;
|
|
}
|
|
|
|
return $ret;
|
|
}
|
|
|
|
/**
|
|
* Create an event array
|
|
*
|
|
* @param integer $event_id The id of the event
|
|
*
|
|
* @return array with event data
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
*/
|
|
private static function buildEvent($event_id)
|
|
{
|
|
$r = q("SELECT `guid`, `uid`, `start`, `finish`, `nofinish`, `summary`, `desc`, `location`, `adjust` FROM `event` WHERE `id` = %d", intval($event_id));
|
|
if (!DBA::isResult($r)) {
|
|
return [];
|
|
}
|
|
|
|
$event = $r[0];
|
|
|
|
$eventdata = [];
|
|
|
|
$r = q("SELECT `timezone` FROM `user` WHERE `uid` = %d", intval($event['uid']));
|
|
if (!DBA::isResult($r)) {
|
|
return [];
|
|
}
|
|
|
|
$user = $r[0];
|
|
|
|
$r = q("SELECT `addr`, `nick` FROM `contact` WHERE `uid` = %d AND `self`", intval($event['uid']));
|
|
if (!DBA::isResult($r)) {
|
|
return [];
|
|
}
|
|
|
|
$owner = $r[0];
|
|
|
|
$eventdata['author'] = self::myHandle($owner);
|
|
|
|
if ($event['guid']) {
|
|
$eventdata['guid'] = $event['guid'];
|
|
}
|
|
|
|
$mask = DateTimeFormat::ATOM;
|
|
|
|
/// @todo - establish "all day" events in Friendica
|
|
$eventdata["all_day"] = "false";
|
|
|
|
$eventdata['timezone'] = 'UTC';
|
|
if (!$event['adjust'] && $user['timezone']) {
|
|
$eventdata['timezone'] = $user['timezone'];
|
|
}
|
|
|
|
if ($event['start']) {
|
|
$eventdata['start'] = DateTimeFormat::convert($event['start'], "UTC", $eventdata['timezone'], $mask);
|
|
}
|
|
if ($event['finish'] && !$event['nofinish']) {
|
|
$eventdata['end'] = DateTimeFormat::convert($event['finish'], "UTC", $eventdata['timezone'], $mask);
|
|
}
|
|
if ($event['summary']) {
|
|
$eventdata['summary'] = html_entity_decode(BBCode::toMarkdown($event['summary']));
|
|
}
|
|
if ($event['desc']) {
|
|
$eventdata['description'] = html_entity_decode(BBCode::toMarkdown($event['desc']));
|
|
}
|
|
if ($event['location']) {
|
|
$event['location'] = preg_replace("/\[map\](.*?)\[\/map\]/ism", '$1', $event['location']);
|
|
$coord = Map::getCoordinates($event['location']);
|
|
|
|
$location = [];
|
|
$location["address"] = html_entity_decode(BBCode::toMarkdown($event['location']));
|
|
if (!empty($coord['lat']) && !empty($coord['lon'])) {
|
|
$location["lat"] = $coord['lat'];
|
|
$location["lng"] = $coord['lon'];
|
|
} else {
|
|
$location["lat"] = 0;
|
|
$location["lng"] = 0;
|
|
}
|
|
$eventdata['location'] = $location;
|
|
}
|
|
|
|
return $eventdata;
|
|
}
|
|
|
|
/**
|
|
* Create a post (status message or reshare)
|
|
*
|
|
* @param array $item The item that will be exported
|
|
* @param array $owner the array of the item owner
|
|
*
|
|
* @return array
|
|
* 'type' -> Message type ("status_message" or "reshare")
|
|
* 'message' -> Array of XML elements of the status
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
public static function buildStatus(array $item, array $owner)
|
|
{
|
|
$cachekey = "diaspora:buildStatus:".$item['guid'];
|
|
|
|
$result = DI::cache()->get($cachekey);
|
|
if (!is_null($result)) {
|
|
return $result;
|
|
}
|
|
|
|
$myaddr = self::myHandle($owner);
|
|
|
|
$public = ($item["private"] == Item::PRIVATE ? "false" : "true");
|
|
$created = DateTimeFormat::utc($item['received'], DateTimeFormat::ATOM);
|
|
$edited = DateTimeFormat::utc($item["edited"] ?? $item["created"], DateTimeFormat::ATOM);
|
|
|
|
// Detect a share element and do a reshare
|
|
if (($item['private'] != Item::PRIVATE) && ($ret = self::isReshare($item["body"]))) {
|
|
$message = ["author" => $myaddr,
|
|
"guid" => $item["guid"],
|
|
"created_at" => $created,
|
|
"root_author" => $ret["root_handle"],
|
|
"root_guid" => $ret["root_guid"],
|
|
"provider_display_name" => $item["app"],
|
|
"public" => $public];
|
|
|
|
$type = "reshare";
|
|
} else {
|
|
$title = $item["title"];
|
|
$body = $item["body"];
|
|
|
|
// Fetch the title from an attached link - if there is one
|
|
if (empty($item["title"]) && DI::pConfig()->get($owner['uid'], 'system', 'attach_link_title')) {
|
|
$page_data = BBCode::getAttachmentData($item['body']);
|
|
if (!empty($page_data['type']) && !empty($page_data['title']) && ($page_data['type'] == 'link')) {
|
|
$title = $page_data['title'];
|
|
}
|
|
}
|
|
|
|
if ($item['author-link'] != $item['owner-link']) {
|
|
require_once 'mod/share.php';
|
|
$body = BBCode::getShareOpeningTag($item['author-name'], $item['author-link'], $item['author-avatar'],
|
|
$item['plink'], $item['created']) . $body . '[/share]';
|
|
}
|
|
|
|
// convert to markdown
|
|
$body = html_entity_decode(BBCode::toMarkdown($body));
|
|
|
|
// Adding the title
|
|
if (strlen($title)) {
|
|
$body = "### ".html_entity_decode($title)."\n\n".$body;
|
|
}
|
|
|
|
$attachments = Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT, Post\Media::TORRENT, Post\Media::UNKNOWN]);
|
|
if (!empty($attachments)) {
|
|
$body .= "\n".DI::l10n()->t("Attachments:")."\n";
|
|
foreach ($attachments as $attachment) {
|
|
$body .= "[" . $attachment['description'] . "](" . $attachment['url'] . ")\n";
|
|
}
|
|
}
|
|
|
|
$location = [];
|
|
|
|
if ($item["location"] != "")
|
|
$location["address"] = $item["location"];
|
|
|
|
if ($item["coord"] != "") {
|
|
$coord = explode(" ", $item["coord"]);
|
|
$location["lat"] = $coord[0];
|
|
$location["lng"] = $coord[1];
|
|
}
|
|
|
|
$message = ["author" => $myaddr,
|
|
"guid" => $item["guid"],
|
|
"created_at" => $created,
|
|
"edited_at" => $edited,
|
|
"public" => $public,
|
|
"text" => $body,
|
|
"provider_display_name" => $item["app"],
|
|
"location" => $location];
|
|
|
|
// Diaspora rejects messages when they contain a location without "lat" or "lng"
|
|
if (!isset($location["lat"]) || !isset($location["lng"])) {
|
|
unset($message["location"]);
|
|
}
|
|
|
|
if ($item['event-id'] > 0) {
|
|
$event = self::buildEvent($item['event-id']);
|
|
if (count($event)) {
|
|
$message['event'] = $event;
|
|
|
|
if (!empty($event['location']['address']) &&
|
|
!empty($event['location']['lat']) &&
|
|
!empty($event['location']['lng'])) {
|
|
$message['location'] = $event['location'];
|
|
}
|
|
|
|
/// @todo Once Diaspora supports it, we will remove the body and the location hack above
|
|
// $message['text'] = '';
|
|
}
|
|
}
|
|
|
|
$type = "status_message";
|
|
}
|
|
|
|
$msg = ["type" => $type, "message" => $message];
|
|
|
|
DI::cache()->set($cachekey, $msg, Duration::QUARTER_HOUR);
|
|
|
|
return $msg;
|
|
}
|
|
|
|
private static function prependParentAuthorMention($body, $profile_url)
|
|
{
|
|
$profile = Contact::getByURL($profile_url, false, ['addr', 'name', 'contact-type']);
|
|
if (!empty($profile['addr'])
|
|
&& $profile['contact-type'] != Contact::TYPE_COMMUNITY
|
|
&& !strstr($body, $profile['addr'])
|
|
&& !strstr($body, $profile_url)
|
|
) {
|
|
$body = '@[url=' . $profile_url . ']' . $profile['name'] . '[/url] ' . $body;
|
|
}
|
|
|
|
return $body;
|
|
}
|
|
|
|
/**
|
|
* Sends a post
|
|
*
|
|
* @param array $item The item that will be exported
|
|
* @param array $owner the array of the item owner
|
|
* @param array $contact Target of the communication
|
|
* @param bool $public_batch Is it a public post?
|
|
*
|
|
* @return int The result of the transmission
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
public static function sendStatus(array $item, array $owner, array $contact, $public_batch = false)
|
|
{
|
|
$status = self::buildStatus($item, $owner);
|
|
|
|
return self::buildAndTransmit($owner, $contact, $status["type"], $status["message"], $public_batch, $item["guid"]);
|
|
}
|
|
|
|
/**
|
|
* Creates a "like" object
|
|
*
|
|
* @param array $item The item that will be exported
|
|
* @param array $owner the array of the item owner
|
|
*
|
|
* @return array The data for a "like"
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
*/
|
|
private static function constructLike(array $item, array $owner)
|
|
{
|
|
$parent = Item::selectFirst(['guid', 'uri', 'parent-uri'], ['uri' => $item["thr-parent"]]);
|
|
if (!DBA::isResult($parent)) {
|
|
return false;
|
|
}
|
|
|
|
$target_type = ($parent["uri"] === $parent["parent-uri"] ? "Post" : "Comment");
|
|
$positive = null;
|
|
if ($item['verb'] === Activity::LIKE) {
|
|
$positive = "true";
|
|
} elseif ($item['verb'] === Activity::DISLIKE) {
|
|
$positive = "false";
|
|
}
|
|
|
|
return(["author" => self::myHandle($owner),
|
|
"guid" => $item["guid"],
|
|
"parent_guid" => $parent["guid"],
|
|
"parent_type" => $target_type,
|
|
"positive" => $positive,
|
|
"author_signature" => ""]);
|
|
}
|
|
|
|
/**
|
|
* Creates an "EventParticipation" object
|
|
*
|
|
* @param array $item The item that will be exported
|
|
* @param array $owner the array of the item owner
|
|
*
|
|
* @return array The data for an "EventParticipation"
|
|
* @throws \Exception
|
|
*/
|
|
private static function constructAttend(array $item, array $owner)
|
|
{
|
|
$parent = Item::selectFirst(['guid', 'uri', 'parent-uri'], ['uri' => $item["thr-parent"]]);
|
|
if (!DBA::isResult($parent)) {
|
|
return false;
|
|
}
|
|
|
|
switch ($item['verb']) {
|
|
case Activity::ATTEND:
|
|
$attend_answer = 'accepted';
|
|
break;
|
|
case Activity::ATTENDNO:
|
|
$attend_answer = 'declined';
|
|
break;
|
|
case Activity::ATTENDMAYBE:
|
|
$attend_answer = 'tentative';
|
|
break;
|
|
default:
|
|
Logger::log('Unknown verb '.$item['verb'].' in item '.$item['guid']);
|
|
return false;
|
|
}
|
|
|
|
return(["author" => self::myHandle($owner),
|
|
"guid" => $item["guid"],
|
|
"parent_guid" => $parent["guid"],
|
|
"status" => $attend_answer,
|
|
"author_signature" => ""]);
|
|
}
|
|
|
|
/**
|
|
* Creates the object for a comment
|
|
*
|
|
* @param array $item The item that will be exported
|
|
* @param array $owner the array of the item owner
|
|
*
|
|
* @return array|false The data for a comment
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
*/
|
|
private static function constructComment(array $item, array $owner)
|
|
{
|
|
$cachekey = "diaspora:constructComment:".$item['guid'];
|
|
|
|
$result = DI::cache()->get($cachekey);
|
|
if (!is_null($result)) {
|
|
return $result;
|
|
}
|
|
|
|
$toplevel_item = Item::selectFirst(['guid', 'author-id', 'author-link'], ['id' => $item['parent'], 'parent' => $item['parent']]);
|
|
if (!DBA::isResult($toplevel_item)) {
|
|
Logger::error('Missing parent conversation item', ['parent' => $item['parent']]);
|
|
return false;
|
|
}
|
|
|
|
$thread_parent_item = $toplevel_item;
|
|
if ($item['thr-parent'] != $item['parent-uri']) {
|
|
$thread_parent_item = Item::selectFirst(['guid', 'author-id', 'author-link'], ['uri' => $item['thr-parent'], 'uid' => $item['uid']]);
|
|
}
|
|
|
|
$body = $item["body"];
|
|
|
|
// The replied to autor mention is prepended for clarity if:
|
|
// - Item replied isn't yours
|
|
// - Item is public or explicit mentions are disabled
|
|
// - Implicit mentions are enabled
|
|
if (
|
|
$item['author-id'] != $thread_parent_item['author-id']
|
|
&& (empty($item['uid']) || !Feature::isEnabled($item['uid'], 'explicit_mentions'))
|
|
&& !DI::config()->get('system', 'disable_implicit_mentions')
|
|
) {
|
|
$body = self::prependParentAuthorMention($body, $thread_parent_item['author-link']);
|
|
}
|
|
|
|
$text = html_entity_decode(BBCode::toMarkdown($body));
|
|
$created = DateTimeFormat::utc($item["created"], DateTimeFormat::ATOM);
|
|
$edited = DateTimeFormat::utc($item["edited"], DateTimeFormat::ATOM);
|
|
|
|
$comment = [
|
|
"author" => self::myHandle($owner),
|
|
"guid" => $item["guid"],
|
|
"created_at" => $created,
|
|
"edited_at" => $edited,
|
|
"parent_guid" => $toplevel_item["guid"],
|
|
"text" => $text,
|
|
"author_signature" => ""
|
|
];
|
|
|
|
// Send the thread parent guid only if it is a threaded comment
|
|
if ($item['thr-parent'] != $item['parent-uri']) {
|
|
$comment['thread_parent_guid'] = $thread_parent_item['guid'];
|
|
}
|
|
|
|
DI::cache()->set($cachekey, $comment, Duration::QUARTER_HOUR);
|
|
|
|
return($comment);
|
|
}
|
|
|
|
/**
|
|
* Send a like or a comment
|
|
*
|
|
* @param array $item The item that will be exported
|
|
* @param array $owner the array of the item owner
|
|
* @param array $contact Target of the communication
|
|
* @param bool $public_batch Is it a public post?
|
|
*
|
|
* @return int The result of the transmission
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
public static function sendFollowup(array $item, array $owner, array $contact, $public_batch = false)
|
|
{
|
|
if (in_array($item['verb'], [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE])) {
|
|
$message = self::constructAttend($item, $owner);
|
|
$type = "event_participation";
|
|
} elseif (in_array($item["verb"], [Activity::LIKE, Activity::DISLIKE])) {
|
|
$message = self::constructLike($item, $owner);
|
|
$type = "like";
|
|
} elseif (!in_array($item["verb"], [Activity::FOLLOW, Activity::TAG])) {
|
|
$message = self::constructComment($item, $owner);
|
|
$type = "comment";
|
|
}
|
|
|
|
if (empty($message)) {
|
|
return false;
|
|
}
|
|
|
|
$message["author_signature"] = self::signature($owner, $message);
|
|
|
|
return self::buildAndTransmit($owner, $contact, $type, $message, $public_batch, $item["guid"]);
|
|
}
|
|
|
|
/**
|
|
* Creates a message from a signature record entry
|
|
*
|
|
* @param array $item The item that will be exported
|
|
* @return array The message
|
|
*/
|
|
private static function messageFromSignature(array $item)
|
|
{
|
|
// Split the signed text
|
|
$signed_parts = explode(";", $item['signed_text']);
|
|
|
|
if ($item["deleted"]) {
|
|
$message = ["author" => $item['signer'],
|
|
"target_guid" => $signed_parts[0],
|
|
"target_type" => $signed_parts[1]];
|
|
} elseif (in_array($item["verb"], [Activity::LIKE, Activity::DISLIKE])) {
|
|
$message = ["author" => $signed_parts[4],
|
|
"guid" => $signed_parts[1],
|
|
"parent_guid" => $signed_parts[3],
|
|
"parent_type" => $signed_parts[2],
|
|
"positive" => $signed_parts[0],
|
|
"author_signature" => $item['signature'],
|
|
"parent_author_signature" => ""];
|
|
} else {
|
|
// Remove the comment guid
|
|
$guid = array_shift($signed_parts);
|
|
|
|
// Remove the parent guid
|
|
$parent_guid = array_shift($signed_parts);
|
|
|
|
// Remove the handle
|
|
$handle = array_pop($signed_parts);
|
|
|
|
$message = [
|
|
"author" => $handle,
|
|
"guid" => $guid,
|
|
"parent_guid" => $parent_guid,
|
|
"text" => implode(";", $signed_parts),
|
|
"author_signature" => $item['signature'],
|
|
"parent_author_signature" => ""
|
|
];
|
|
}
|
|
return $message;
|
|
}
|
|
|
|
/**
|
|
* Relays messages (like, comment, retraction) to other servers if we are the thread owner
|
|
*
|
|
* @param array $item The item that will be exported
|
|
* @param array $owner the array of the item owner
|
|
* @param array $contact Target of the communication
|
|
* @param bool $public_batch Is it a public post?
|
|
*
|
|
* @return int The result of the transmission
|
|
* @throws \Exception
|
|
*/
|
|
public static function sendRelay(array $item, array $owner, array $contact, $public_batch = false)
|
|
{
|
|
if ($item["deleted"]) {
|
|
return self::sendRetraction($item, $owner, $contact, $public_batch, true);
|
|
} elseif (in_array($item["verb"], [Activity::LIKE, Activity::DISLIKE])) {
|
|
$type = "like";
|
|
} else {
|
|
$type = "comment";
|
|
}
|
|
|
|
Logger::log("Got relayable data ".$type." for item ".$item["guid"]." (".$item["id"].")", Logger::DEBUG);
|
|
|
|
$msg = json_decode($item['signed_text'], true);
|
|
|
|
$message = [];
|
|
if (is_array($msg)) {
|
|
foreach ($msg as $field => $data) {
|
|
if (!$item["deleted"]) {
|
|
if ($field == "diaspora_handle") {
|
|
$field = "author";
|
|
}
|
|
if ($field == "target_type") {
|
|
$field = "parent_type";
|
|
}
|
|
}
|
|
|
|
$message[$field] = $data;
|
|
}
|
|
} else {
|
|
Logger::log("Signature text for item ".$item["guid"]." (".$item["id"].") couldn't be extracted: ".$item['signed_text'], Logger::DEBUG);
|
|
}
|
|
|
|
$message["parent_author_signature"] = self::signature($owner, $message);
|
|
|
|
Logger::info('Relayed data', ['msg' => $message]);
|
|
|
|
return self::buildAndTransmit($owner, $contact, $type, $message, $public_batch, $item["guid"]);
|
|
}
|
|
|
|
/**
|
|
* Sends a retraction (deletion) of a message, like or comment
|
|
*
|
|
* @param array $item The item that will be exported
|
|
* @param array $owner the array of the item owner
|
|
* @param array $contact Target of the communication
|
|
* @param bool $public_batch Is it a public post?
|
|
* @param bool $relay Is the retraction transmitted from a relay?
|
|
*
|
|
* @return int The result of the transmission
|
|
* @throws \Exception
|
|
*/
|
|
public static function sendRetraction(array $item, array $owner, array $contact, $public_batch = false, $relay = false)
|
|
{
|
|
$itemaddr = self::handleFromContact($item["contact-id"], $item["author-id"]);
|
|
|
|
$msg_type = "retraction";
|
|
|
|
if ($item['gravity'] == GRAVITY_PARENT) {
|
|
$target_type = "Post";
|
|
} elseif (in_array($item["verb"], [Activity::LIKE, Activity::DISLIKE])) {
|
|
$target_type = "Like";
|
|
} else {
|
|
$target_type = "Comment";
|
|
}
|
|
|
|
$message = ["author" => $itemaddr,
|
|
"target_guid" => $item['guid'],
|
|
"target_type" => $target_type];
|
|
|
|
Logger::info('Got message', ['msg' => $message]);
|
|
|
|
return self::buildAndTransmit($owner, $contact, $msg_type, $message, $public_batch, $item["guid"]);
|
|
}
|
|
|
|
/**
|
|
* Sends a mail
|
|
*
|
|
* @param array $item The item that will be exported
|
|
* @param array $owner The owner
|
|
* @param array $contact Target of the communication
|
|
*
|
|
* @return int The result of the transmission
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
public static function sendMail(array $item, array $owner, array $contact)
|
|
{
|
|
$myaddr = self::myHandle($owner);
|
|
|
|
$cnv = DBA::selectFirst('conv', [], ['id' => $item["convid"], 'uid' => $item["uid"]]);
|
|
if (!DBA::isResult($cnv)) {
|
|
Logger::log("conversation not found.");
|
|
return;
|
|
}
|
|
|
|
$body = BBCode::toMarkdown($item["body"]);
|
|
$created = DateTimeFormat::utc($item["created"], DateTimeFormat::ATOM);
|
|
|
|
$msg = [
|
|
"author" => $myaddr,
|
|
"guid" => $item["guid"],
|
|
"conversation_guid" => $cnv["guid"],
|
|
"text" => $body,
|
|
"created_at" => $created,
|
|
];
|
|
|
|
if ($item["reply"]) {
|
|
$message = $msg;
|
|
$type = "message";
|
|
} else {
|
|
$message = [
|
|
"author" => $cnv["creator"],
|
|
"guid" => $cnv["guid"],
|
|
"subject" => $cnv["subject"],
|
|
"created_at" => DateTimeFormat::utc($cnv['created'], DateTimeFormat::ATOM),
|
|
"participants" => $cnv["recips"],
|
|
"message" => $msg
|
|
];
|
|
|
|
$type = "conversation";
|
|
}
|
|
|
|
return self::buildAndTransmit($owner, $contact, $type, $message, false, $item["guid"]);
|
|
}
|
|
|
|
/**
|
|
* Split a name into first name and last name
|
|
*
|
|
* @param string $name The name
|
|
*
|
|
* @return array The array with "first" and "last"
|
|
*/
|
|
public static function splitName($name) {
|
|
$name = trim($name);
|
|
|
|
// Is the name longer than 64 characters? Then cut the rest of it.
|
|
if (strlen($name) > 64) {
|
|
if ((strpos($name, ' ') <= 64) && (strpos($name, ' ') !== false)) {
|
|
$name = trim(substr($name, 0, strrpos(substr($name, 0, 65), ' ')));
|
|
} else {
|
|
$name = substr($name, 0, 64);
|
|
}
|
|
}
|
|
|
|
// Take the first word as first name
|
|
$first = ((strpos($name, ' ') ? trim(substr($name, 0, strpos($name, ' '))) : $name));
|
|
$last = (($first === $name) ? '' : trim(substr($name, strlen($first))));
|
|
if ((strlen($first) < 32) && (strlen($last) < 32)) {
|
|
return ['first' => $first, 'last' => $last];
|
|
}
|
|
|
|
// Take the last word as last name
|
|
$first = ((strrpos($name, ' ') ? trim(substr($name, 0, strrpos($name, ' '))) : $name));
|
|
$last = (($first === $name) ? '' : trim(substr($name, strlen($first))));
|
|
|
|
if ((strlen($first) < 32) && (strlen($last) < 32)) {
|
|
return ['first' => $first, 'last' => $last];
|
|
}
|
|
|
|
// Take the first 32 characters if there is no space in the first 32 characters
|
|
if ((strpos($name, ' ') > 32) || (strpos($name, ' ') === false)) {
|
|
$first = substr($name, 0, 32);
|
|
$last = substr($name, 32);
|
|
return ['first' => $first, 'last' => $last];
|
|
}
|
|
|
|
$first = trim(substr($name, 0, strrpos(substr($name, 0, 33), ' ')));
|
|
$last = (($first === $name) ? '' : trim(substr($name, strlen($first))));
|
|
|
|
// Check if the last name is longer than 32 characters
|
|
if (strlen($last) > 32) {
|
|
if (strpos($last, ' ') <= 32) {
|
|
$last = trim(substr($last, 0, strrpos(substr($last, 0, 33), ' ')));
|
|
} else {
|
|
$last = substr($last, 0, 32);
|
|
}
|
|
}
|
|
|
|
return ['first' => $first, 'last' => $last];
|
|
}
|
|
|
|
/**
|
|
* Create profile data
|
|
*
|
|
* @param int $uid The user id
|
|
*
|
|
* @return array The profile data
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
*/
|
|
private static function createProfileData($uid)
|
|
{
|
|
$profile = DBA::selectFirst('owner-view', ['uid', 'addr', 'name', 'location', 'net-publish', 'dob', 'about', 'pub_keywords'], ['uid' => $uid]);
|
|
if (!DBA::isResult($profile)) {
|
|
return [];
|
|
}
|
|
|
|
$handle = $profile["addr"];
|
|
|
|
$split_name = self::splitName($profile['name']);
|
|
$first = $split_name['first'];
|
|
$last = $split_name['last'];
|
|
|
|
$large = DI::baseUrl().'/photo/custom/300/'.$profile['uid'].'.jpg';
|
|
$medium = DI::baseUrl().'/photo/custom/100/'.$profile['uid'].'.jpg';
|
|
$small = DI::baseUrl().'/photo/custom/50/' .$profile['uid'].'.jpg';
|
|
$searchable = ($profile['net-publish'] ? 'true' : 'false');
|
|
|
|
$dob = null;
|
|
$about = null;
|
|
$location = null;
|
|
$tags = null;
|
|
if ($searchable === 'true') {
|
|
$dob = '';
|
|
|
|
if ($profile['dob'] && ($profile['dob'] > '0000-00-00')) {
|
|
list($year, $month, $day) = sscanf($profile['dob'], '%4d-%2d-%2d');
|
|
if ($year < 1004) {
|
|
$year = 1004;
|
|
}
|
|
$dob = DateTimeFormat::utc($year . '-' . $month . '-'. $day, 'Y-m-d');
|
|
}
|
|
|
|
$about = BBCode::toMarkdown($profile['about']);
|
|
|
|
$location = $profile['location'];
|
|
$tags = '';
|
|
if ($profile['pub_keywords']) {
|
|
$kw = str_replace(',', ' ', $profile['pub_keywords']);
|
|
$kw = str_replace(' ', ' ', $kw);
|
|
$arr = explode(' ', $kw);
|
|
if (count($arr)) {
|
|
for ($x = 0; $x < 5; $x ++) {
|
|
if (!empty($arr[$x])) {
|
|
$tags .= '#'. trim($arr[$x]) .' ';
|
|
}
|
|
}
|
|
}
|
|
}
|
|
$tags = trim($tags);
|
|
}
|
|
|
|
return ["author" => $handle,
|
|
"first_name" => $first,
|
|
"last_name" => $last,
|
|
"image_url" => $large,
|
|
"image_url_medium" => $medium,
|
|
"image_url_small" => $small,
|
|
"birthday" => $dob,
|
|
"bio" => $about,
|
|
"location" => $location,
|
|
"searchable" => $searchable,
|
|
"nsfw" => "false",
|
|
"tag_string" => $tags];
|
|
}
|
|
|
|
/**
|
|
* Sends profile data
|
|
*
|
|
* @param int $uid The user id
|
|
* @param bool $recips optional, default false
|
|
* @return void
|
|
* @throws \Exception
|
|
*/
|
|
public static function sendProfile($uid, $recips = false)
|
|
{
|
|
if (!$uid) {
|
|
return;
|
|
}
|
|
|
|
$owner = User::getOwnerDataById($uid);
|
|
if (!$owner) {
|
|
return;
|
|
}
|
|
|
|
if (!$recips) {
|
|
$recips = q(
|
|
"SELECT `id`,`name`,`network`,`pubkey`,`notify` FROM `contact` WHERE `network` = '%s'
|
|
AND `uid` = %d AND `rel` != %d",
|
|
DBA::escape(Protocol::DIASPORA),
|
|
intval($uid),
|
|
intval(Contact::SHARING)
|
|
);
|
|
}
|
|
|
|
if (!$recips) {
|
|
return;
|
|
}
|
|
|
|
$message = self::createProfileData($uid);
|
|
|
|
// @ToDo Split this into single worker jobs
|
|
foreach ($recips as $recip) {
|
|
Logger::log("Send updated profile data for user ".$uid." to contact ".$recip["id"], Logger::DEBUG);
|
|
self::buildAndTransmit($owner, $recip, "profile", $message);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Creates the signature for likes that are created on our system
|
|
*
|
|
* @param integer $uid The user of that comment
|
|
* @param array $item Item array
|
|
*
|
|
* @return array Signed content
|
|
* @throws \Exception
|
|
*/
|
|
public static function createLikeSignature($uid, array $item)
|
|
{
|
|
$owner = User::getOwnerDataById($uid);
|
|
if (empty($owner)) {
|
|
Logger::info('No owner post, so not storing signature');
|
|
return false;
|
|
}
|
|
|
|
if (!in_array($item["verb"], [Activity::LIKE, Activity::DISLIKE])) {
|
|
return false;
|
|
}
|
|
|
|
$message = self::constructLike($item, $owner);
|
|
if ($message === false) {
|
|
return false;
|
|
}
|
|
|
|
$message["author_signature"] = self::signature($owner, $message);
|
|
|
|
return $message;
|
|
}
|
|
|
|
/**
|
|
* Creates the signature for Comments that are created on our system
|
|
*
|
|
* @param integer $uid The user of that comment
|
|
* @param array $item Item array
|
|
*
|
|
* @return array Signed content
|
|
* @throws \Exception
|
|
*/
|
|
public static function createCommentSignature($uid, array $item)
|
|
{
|
|
$owner = User::getOwnerDataById($uid);
|
|
if (empty($owner)) {
|
|
Logger::info('No owner post, so not storing signature');
|
|
return false;
|
|
}
|
|
|
|
// This is a workaround for the behaviour of the "insert" function, see mod/item.php
|
|
$item['thr-parent'] = $item['parent-uri'];
|
|
|
|
$parent = Item::selectFirst(['parent-uri'], ['uri' => $item['parent-uri']]);
|
|
if (!DBA::isResult($parent)) {
|
|
return;
|
|
}
|
|
|
|
$item['parent-uri'] = $parent['parent-uri'];
|
|
|
|
$message = self::constructComment($item, $owner);
|
|
if ($message === false) {
|
|
return false;
|
|
}
|
|
|
|
$message["author_signature"] = self::signature($owner, $message);
|
|
|
|
return $message;
|
|
}
|
|
}
|