143 lines
3.4 KiB
PHP
143 lines
3.4 KiB
PHP
<?php
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namespace Friendica\Module\Diaspora;
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use Friendica\App;
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use Friendica\BaseModule;
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use Friendica\Core\Config\Configuration;
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use Friendica\Core\L10n\L10n;
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use Friendica\DI;
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use Friendica\Model\User;
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use Friendica\Network\HTTPException;
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use Friendica\Protocol\Diaspora;
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use Friendica\Util\Network;
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use Psr\Log\LoggerInterface;
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/**
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* This module is part of the Diaspora protocol.
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* It is used for receiving single posts either for public or for a specific user.
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*/
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class Receive extends BaseModule
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{
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/** @var LoggerInterface */
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private static $logger;
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public static function init(array $parameters = [])
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{
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self::$logger = DI::logger();
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}
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public static function post(array $parameters = [])
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{
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$enabled = DI::config()->get('system', 'diaspora_enabled', false);
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if (!$enabled) {
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self::$logger->info('Diaspora disabled.');
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throw new HTTPException\ForbiddenException(DI::l10n()->t('Access denied.'));
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}
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$args = DI::args();
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$type = $args->get(1);
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switch ($type) {
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case 'public':
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self::receivePublic();
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break;
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case 'users':
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self::receiveUser($args->get(2));
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break;
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default:
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self::$logger->info('Wrong call.');
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throw new HTTPException\BadRequestException('wrong call.');
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break;
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}
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}
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/**
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* Receive a public Diaspora posting
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*
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* @throws HTTPException\InternalServerErrorException
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* @throws \ImagickException
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*/
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private static function receivePublic()
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{
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self::$logger->info('Diaspora: Receiving post.');
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$msg = self::decodePost();
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self::$logger->info('Diaspora: Dispatching.');
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Diaspora::dispatchPublic($msg);
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}
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/**
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* Receive a Diaspora posting for a user
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*
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* @param string $guid The GUID of the importer
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*
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* @throws HTTPException\InternalServerErrorException
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* @throws \ImagickException
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*/
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private static function receiveUser(string $guid)
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{
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self::$logger->info('Diaspora: Receiving post.');
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$importer = User::getByGuid($guid);
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$msg = self::decodePost(false, $importer['prvkey'] ?? '');
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self::$logger->info('Diaspora: Dispatching.');
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if (Diaspora::dispatch($importer, $msg)) {
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throw new HTTPException\OKException();
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} else {
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throw new HTTPException\InternalServerErrorException();
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}
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}
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/**
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* Decodes a Diaspora message based on the posted data
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*
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* @param string $privKey The private key of the importer
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* @param bool $public True, if the post is public
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*
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* @return array
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* @throws HTTPException\InternalServerErrorException
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* @throws \ImagickException
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*/
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private static function decodePost(bool $public = true, string $privKey = '')
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{
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if (empty($_POST['xml'])) {
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$postdata = Network::postdata();
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if (empty($postdata)) {
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throw new HTTPException\InternalServerErrorException('Missing postdata.');
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}
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self::$logger->info('Diaspora: Message is in the new format.');
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$msg = Diaspora::decodeRaw($postdata, $privKey);
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} else {
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$xml = urldecode($_POST['xml']);
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self::$logger->info('Diaspora: Decode message in the old format.');
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$msg = Diaspora::decode($xml, $privKey);
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if ($public && !$msg) {
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self::$logger->info('Diaspora: Decode message in the new format.');
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$msg = Diaspora::decodeRaw($xml, $privKey);
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}
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}
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self::$logger->info('Diaspora: Post decoded.');
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self::$logger->debug('Diaspora: Decoded message.', ['msg' => print_r($msg, true)]);
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if (!is_array($msg)) {
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throw new HTTPException\InternalServerErrorException('Message is not an array.');
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}
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return $msg;
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}
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}
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