123 lines
4.0 KiB
PHP
123 lines
4.0 KiB
PHP
<?php
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/**
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* @copyright Copyright (C) 2010-2021, the Friendica project
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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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* The dfrn notify endpoint
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*
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* @see PDF with dfrn specs: https://github.com/friendica/friendica/blob/stable/spec/dfrn2.pdf
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*/
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use Friendica\App;
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use Friendica\Core\Logger;
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use Friendica\Core\System;
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use Friendica\Database\DBA;
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use Friendica\Model\Contact;
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use Friendica\Model\Conversation;
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use Friendica\Network\HTTPException;
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use Friendica\Protocol\DFRN;
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use Friendica\Protocol\Diaspora;
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use Friendica\Util\Network;
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function dfrn_notify_post(App $a) {
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$postdata = Network::postdata();
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if (empty($_POST) || !empty($postdata)) {
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$data = json_decode($postdata);
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if (is_object($data)) {
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$nick = $a->argv[1] ?? '';
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$user = DBA::selectFirst('user', [], ['nickname' => $nick, 'account_expired' => false, 'account_removed' => false]);
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if (!DBA::isResult($user)) {
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throw new \Friendica\Network\HTTPException\InternalServerErrorException();
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}
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dfrn_dispatch_private($user, $postdata);
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} elseif (!dfrn_dispatch_public($postdata)) {
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require_once 'mod/salmon.php';
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salmon_post($a, $postdata);
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}
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}
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throw new HTTPException\BadRequestException();
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}
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function dfrn_dispatch_public($postdata)
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{
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$msg = Diaspora::decodeRaw($postdata, '', true);
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if (!$msg) {
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// We have to fail silently to be able to hand it over to the salmon parser
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return false;
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}
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// Fetch the corresponding public contact
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$contact_id = Contact::getIdForURL($msg['author']);
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if (empty($contact_id)) {
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Logger::log('Contact not found for address ' . $msg['author']);
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System::xmlExit(3, 'Contact ' . $msg['author'] . ' not found');
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}
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$importer = DFRN::getImporter($contact_id);
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// This should never fail
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if (empty($importer)) {
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Logger::log('Contact not found for address ' . $msg['author']);
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System::xmlExit(3, 'Contact ' . $msg['author'] . ' not found');
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}
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Logger::log('Importing post from ' . $msg['author'] . ' with the public envelope.', Logger::DEBUG);
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// Now we should be able to import it
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$ret = DFRN::import($msg['message'], $importer, Conversation::PARCEL_DIASPORA_DFRN, Conversation::RELAY);
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System::xmlExit($ret, 'Done');
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}
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function dfrn_dispatch_private($user, $postdata)
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{
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$msg = Diaspora::decodeRaw($postdata, $user['prvkey'] ?? '');
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if (!$msg) {
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System::xmlExit(4, 'Unable to parse message');
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}
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// Check if the user has got this contact
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$cid = Contact::getIdForURL($msg['author'], $user['uid']);
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if (!$cid) {
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// Otherwise there should be a public contact
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$cid = Contact::getIdForURL($msg['author']);
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if (!$cid) {
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Logger::log('Contact not found for address ' . $msg['author']);
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System::xmlExit(3, 'Contact ' . $msg['author'] . ' not found');
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}
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}
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$importer = DFRN::getImporter($cid, $user['uid']);
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// This should never fail
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if (empty($importer)) {
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Logger::log('Contact not found for address ' . $msg['author']);
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System::xmlExit(3, 'Contact ' . $msg['author'] . ' not found');
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}
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Logger::log('Importing post from ' . $msg['author'] . ' to ' . $user['nickname'] . ' with the private envelope.', Logger::DEBUG);
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// Now we should be able to import it
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$ret = DFRN::import($msg['message'], $importer, Conversation::PARCEL_DIASPORA_DFRN, Conversation::PUSH);
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System::xmlExit($ret, 'Done');
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}
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function dfrn_notify_content(App $a) {
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throw new HTTPException\NotFoundException();
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}
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