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Move mod/receive to src/Module/Diaspora/receive

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- Added routes
- Make Diaspora::decode(Raw) more explicit
- Add new User::getByGuid() method
This commit is contained in:
Philipp Holzer 2019-10-20 13:00:08 +02:00
parent 49c05036ae
commit 7716374593
No known key found for this signature in database
GPG key ID: D8365C3D36B77D90
6 changed files with 182 additions and 103 deletions
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6
mod/dfrn_notify.php
View file

@ -15,8 +15,8 @@ use Friendica\Model\Contact;
use Friendica\Model\User;
use Friendica\Protocol\DFRN;
use Friendica\Protocol\Diaspora;
use Friendica\Util\Strings;
use Friendica\Util\Network;
use Friendica\Util\Strings;
function dfrn_notify_post(App $a) {
Logger::log(__function__, Logger::TRACE);
@ -184,7 +184,7 @@ function dfrn_notify_post(App $a) {
function dfrn_dispatch_public($postdata)
{
$msg = Diaspora::decodeRaw([], $postdata, true);
$msg = Diaspora::decodeRaw($postdata, '', true);
if (!$msg) {
// We have to fail silently to be able to hand it over to the salmon parser
return false;
@ -214,7 +214,7 @@ function dfrn_dispatch_public($postdata)
function dfrn_dispatch_private($user, $postdata)
{
$msg = Diaspora::decodeRaw($user, $postdata);
$msg = Diaspora::decodeRaw($postdata, $user);
if (!$msg) {
System::xmlExit(4, 'Unable to parse message');
}

92
mod/receive.php
View file

@ -1,92 +0,0 @@
<?php
/**
* @file mod/receive.php
* @brief Diaspora endpoint
*/
use Friendica\App;
use Friendica\Core\Config;
use Friendica\Core\Logger;
use Friendica\Core\System;
use Friendica\Database\DBA;
use Friendica\Protocol\Diaspora;
use Friendica\Util\Network;
/**
* @param App $a App
* @return void
* @throws ImagickException
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
function receive_post(App $a)
{
$enabled = intval(Config::get('system', 'diaspora_enabled'));
if (!$enabled) {
Logger::log('mod-diaspora: disabled');
throw new \Friendica\Network\HTTPException\InternalServerErrorException();
}
if (($a->argc == 2) && ($a->argv[1] === 'public')) {
$public = true;
$importer = [];
} else {
$public = false;
if ($a->argc != 3 || $a->argv[1] !== 'users') {
throw new \Friendica\Network\HTTPException\InternalServerErrorException();
}
$guid = $a->argv[2];
$importer = DBA::selectFirst('user', [], ['guid' => $guid, 'account_expired' => false, 'account_removed' => false]);
if (!DBA::isResult($importer)) {
throw new \Friendica\Network\HTTPException\InternalServerErrorException();
}
}
// It is an application/x-www-form-urlencoded
Logger::log('mod-diaspora: receiving post', Logger::DEBUG);
if (empty($_POST['xml'])) {
$postdata = Network::postdata();
if ($postdata == '') {
throw new \Friendica\Network\HTTPException\InternalServerErrorException();
}
Logger::log('mod-diaspora: message is in the new format', Logger::DEBUG);
$msg = Diaspora::decodeRaw($importer, $postdata);
} else {
$xml = urldecode($_POST['xml']);
Logger::log('mod-diaspora: decode message in the old format', Logger::DEBUG);
$msg = Diaspora::decode($importer, $xml);
if ($public && !$msg) {
Logger::log('mod-diaspora: decode message in the new format', Logger::DEBUG);
$msg = Diaspora::decodeRaw($importer, $xml);
}
}
Logger::log('mod-diaspora: decoded', Logger::DEBUG);
Logger::log('mod-diaspora: decoded msg: ' . print_r($msg, true), Logger::DATA);
if (!is_array($msg)) {
throw new \Friendica\Network\HTTPException\InternalServerErrorException();
}
Logger::log('mod-diaspora: dispatching', Logger::DEBUG);
$ret = true;
if ($public) {
Diaspora::dispatchPublic($msg);
} else {
$ret = Diaspora::dispatch($importer, $msg);
}
if ($ret) {
throw new \Friendica\Network\HTTPException\OKException();
} else {
throw new \Friendica\Network\HTTPException\InternalServerErrorException();
}
}

22
src/Model/User.php
View file

@ -18,7 +18,6 @@ use Friendica\Core\Protocol;
use Friendica\Core\System;
use Friendica\Core\Worker;
use Friendica\Database\DBA;
use Friendica\Model\Photo;
use Friendica\Model\TwoFactor\AppSpecificPassword;
use Friendica\Object\Image;
use Friendica\Util\Crypto;
@ -105,6 +104,27 @@ class User
return DBA::selectFirst('user', $fields, ['uid' => $uid]);
}
/**
* Returns a user record based on it's GUID
*
* @param string $guid The guid of the user
* @param array $fields The fields to retrieve
* @param bool $active True, if only active records are searched
*
* @return array|boolean User record if it exists, false otherwise
* @throws Exception
*/
public static function getByGuid(string $guid, array $fields = [], bool $active = true)
{
if ($active) {
$cond = ['guid' => $guid, 'account_expired' => false, 'account_removed' => false];
} else {
$cond = ['guid' => $guid];
}
return DBA::selectFirst('user', $fields, $cond);
}
/**
* @param string $nickname
* @param array $fields

146
src/Module/Diaspora/Receive.php Normal file
View file

@ -0,0 +1,146 @@
<?php
namespace Friendica\Module\Diaspora;
use Friendica\App;
use Friendica\BaseModule;
use Friendica\Core\Config\Configuration;
use Friendica\Model\User;
use Friendica\Network\HTTPException;
use Friendica\Protocol\Diaspora;
use Friendica\Util\Network;
use Psr\Log\LoggerInterface;
/**
* This module is part of the Diaspora protocol.
* It is used for receiving single posts either for public or for a specific user.
*/
class Receive extends BaseModule
{
/** @var LoggerInterface */
private static $logger;
public static function init()
{
/** @var LoggerInterface $logger */
self::$logger = self::getClass(LoggerInterface::class);
}
public static function post()
{
/** @var Configuration $config */
$config = self::getClass(Configuration::class);
$enabled = $config->get('system', 'diaspora_enabled', false);
if (!$enabled) {
self::$logger->info('Diaspora disabled.');
throw new HTTPException\InternalServerErrorException('Diaspora disabled.');
}
/** @var App\Arguments $args */
$args = self::getClass(App\Arguments::class);
$type = $args->get(1);
switch ($type) {
case 'public':
self::receivePublic();
break;
case 'users':
self::receiveUser($args->get(2));
break;
default:
self::$logger->info('Wrong call.');
throw new HTTPException\InternalServerErrorException('wrong call.');
break;
}
}
/**
* Receive a public Diaspora posting
*
* @throws HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
private static function receivePublic()
{
self::$logger->info('Diaspora: Receiving post.');
$msg = self::decodePost();
self::$logger->info('Diaspora: Dispatching.');
Diaspora::dispatchPublic($msg);
}
/**
* Receive a Diaspora posting for a user
*
* @param string $guid The GUID of the importer
*
* @throws HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
private static function receiveUser(string $guid)
{
self::$logger->info('Diaspora: Receiving post.');
$importer = User::getByGuid($guid);
$msg = self::decodePost(false, $importer['privKey'] ?? '');
self::$logger->info('Diaspora: Dispatching.');
if (Diaspora::dispatch($importer, $msg)) {
throw new HTTPException\OKException();
} else {
throw new HTTPException\InternalServerErrorException();
}
}
/**
* Decodes a Diaspora message based on the posted data
*
* @param string $privKey The private key of the importer
* @param bool $public True, if the post is public
*
* @return array
* @throws HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
private static function decodePost(bool $public = true, string $privKey = '')
{
if (empty($_POST['xml'])) {
$postdata = Network::postdata();
if (empty($postdata)) {
throw new HTTPException\InternalServerErrorException('Missing postdata.');
}
self::$logger->info('Diaspora: Message is in the new format.');
$msg = Diaspora::decodeRaw($postdata, $privKey);
} else {
$xml = urldecode($_POST['xml']);
self::$logger->info('Diaspora: Decode message in the old format.');
$msg = Diaspora::decode($xml, $privKey);
if ($public && !$msg) {
self::$logger->info('Diaspora: Decode message in the new format.');
$msg = Diaspora::decodeRaw($xml, $privKey);
}
}
self::$logger->info('Diaspora: Post encoded.');
self::$logger->debug('Diaspora: Decoded message.', ['msg' => print_r($msg, true)]);
if (!is_array($msg)) {
throw new HTTPException\InternalServerErrorException('Message is not an array.');
}
return $msg;
}
}

14
src/Protocol/Diaspora.php
View file

@ -413,8 +413,8 @@ class Diaspora
/**
* @brief: Decodes incoming Diaspora message in the new format
*
* @param array $importer Array of the importer user
* @param string $raw raw post message
* @param string $privKey The private key of the importer
* @param boolean $no_exit Don't do an http exit on error
*
* @return array
@ -424,7 +424,7 @@ class Diaspora
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function decodeRaw(array $importer, $raw, $no_exit = false)
public static function decodeRaw(string $raw, string $privKey = '', bool $no_exit = false)
{
$data = json_decode($raw);
@ -434,7 +434,7 @@ class Diaspora
$ciphertext = base64_decode($data->encrypted_magic_envelope);
$outer_key_bundle = '';
@openssl_private_decrypt($encrypted_aes_key_bundle, $outer_key_bundle, $importer['prvkey']);
@openssl_private_decrypt($encrypted_aes_key_bundle, $outer_key_bundle, $privKey);
$j_outer_key_bundle = json_decode($outer_key_bundle);
if (!is_object($j_outer_key_bundle)) {
@ -519,8 +519,8 @@ class Diaspora
/**
* @brief: Decodes incoming Diaspora message in the deprecated format
*
* @param array $importer Array of the importer user
* @param string $xml urldecoded Diaspora salmon
* @param string $privKey The private key of the importer
*
* @return array
* 'message' -> decoded Diaspora XML message
@ -529,7 +529,7 @@ class Diaspora
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
public static function decode(array $importer, $xml)
public static function decode(string $xml, string $privKey = '')
{
$public = false;
$basedom = XML::parseString($xml);
@ -548,7 +548,7 @@ class Diaspora
$author_link = str_replace('acct:', '', $children->header->author_id);
} else {
// This happens with posts from a relais
if (!$importer) {
if (empty($privKey)) {
Logger::log("This is no private post in the old format", Logger::DEBUG);
return false;
}
@ -559,7 +559,7 @@ class Diaspora
$ciphertext = base64_decode($encrypted_header->ciphertext);
$outer_key_bundle = '';
openssl_private_decrypt($encrypted_aes_key_bundle, $outer_key_bundle, $importer['prvkey']);
openssl_private_decrypt($encrypted_aes_key_bundle, $outer_key_bundle, $privKey);
$j_outer_key_bundle = json_decode($outer_key_bundle);

5
static/routes.config.php
View file

@ -196,6 +196,11 @@ return [
'/saved/remove' => [Module\Search\Saved::class, [R::GET]],
],
'/receive' => [
'/public' => [Module\Diaspora\Receive::class, [R::POST]],
'/users/{guid}' => [Module\Diaspora\Receive::class, [R::POST]],
],
'/settings' => [
'/2fa' => [
'[/]' => [Module\Settings\TwoFactor\Index::class, [R::GET, R::POST]],