<?php
+/**
+ * @copyright Copyright (C) 2010-2021, the Friendica project
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+use Friendica\App;
+use Friendica\Core\Logger;
+use Friendica\Core\Protocol;
+use Friendica\Database\DBA;
+use Friendica\DI;
+use Friendica\Model\Contact;
+use Friendica\Model\GServer;
+use Friendica\Model\Post;
+use Friendica\Protocol\ActivityNamespace;
+use Friendica\Protocol\OStatus;
+use Friendica\Protocol\Salmon;
+use Friendica\Util\Crypto;
+use Friendica\Util\Network;
+use Friendica\Util\Strings;
+
+function salmon_post(App $a, $xml = '') {
+
+ if (empty($xml)) {
+ $xml = Network::postdata();
+ }
-require_once('include/salmon.php');
-require_once('include/ostatus.php');
-require_once('include/crypto.php');
-require_once('include/items.php');
-require_once('include/follow.php');
-
-function salmon_return($val) {
-
- if ($val >= 400)
- $err = 'Error';
- if ($val >= 200 && $val < 300)
- $err = 'OK';
-
- logger('mod-salmon returns ' . $val);
- header($_SERVER["SERVER_PROTOCOL"] . ' ' . $val . ' ' . $err);
- killme();
-
-}
-
-function salmon_post(App $a) {
-
- $xml = file_get_contents('php://input');
-
- logger('mod-salmon: new salmon ' . $xml, LOGGER_DATA);
+ Logger::debug('new salmon ' . $xml);
- $nick = (($a->argc > 1) ? notags(trim($a->argv[1])) : '');
- $mentions = (($a->argc > 2 && $a->argv[2] === 'mention') ? true : false);
+ $nick = ((DI::args()->getArgc() > 1) ? Strings::escapeTags(trim(DI::args()->getArgv()[1])) : '');
- $r = q("SELECT * FROM `user` WHERE `nickname` = '%s' AND `account_expired` = 0 AND `account_removed` = 0 LIMIT 1",
- dbesc($nick)
- );
- if (! dbm::is_result($r)) {
- http_status_exit(500);
+ $importer = DBA::selectFirst('user', [], ['nickname' => $nick, 'account_expired' => false, 'account_removed' => false]);
+ if (! DBA::isResult($importer)) {
+ throw new \Friendica\Network\HTTPException\InternalServerErrorException();
}
- $importer = $r[0];
-
// parse the xml
- $dom = simplexml_load_string($xml,'SimpleXMLElement',0,NAMESPACE_SALMON_ME);
+ $dom = simplexml_load_string($xml,'SimpleXMLElement',0, ActivityNamespace::SALMON_ME);
- // figure out where in the DOM tree our data is hiding
+ $base = null;
- if ($dom->provenance->data)
+ // figure out where in the DOM tree our data is hiding
+ if (!empty($dom->provenance->data))
$base = $dom->provenance;
- elseif ($dom->env->data)
+ elseif (!empty($dom->env->data))
$base = $dom->env;
- elseif ($dom->data)
+ elseif (!empty($dom->data))
$base = $dom;
- if (! $base) {
- logger('mod-salmon: unable to locate salmon data in xml ');
- http_status_exit(400);
+ if (empty($base)) {
+ Logger::notice('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.
- $signature = base64url_decode($base->sig);
+ $signature = Strings::base64UrlDecode($base->sig);
// unpack the data
// strip whitespace so our data element will return to one big base64 blob
- $data = str_replace(array(" ","\t","\r","\n"),array("","","",""),$base->data);
+ $data = str_replace([" ","\t","\r","\n"],["","","",""],$base->data);
// stash away some other stuff for later
$type = $base->data[0]->attributes()->type[0];
- $keyhash = $base->sig[0]->attributes()->keyhash[0];
+ $keyhash = $base->sig[0]->attributes()->keyhash[0] ?? '';
$encoding = $base->encoding;
$alg = $base->alg;
$stnet_signed_data = $data;
- $signed_data = $data . '.' . base64url_encode($type) . '.' . base64url_encode($encoding) . '.' . base64url_encode($alg);
+ $signed_data = $data . '.' . Strings::base64UrlEncode($type) . '.' . Strings::base64UrlEncode($encoding) . '.' . Strings::base64UrlEncode($alg);
- $compliant_format = str_replace('=','',$signed_data);
+ $compliant_format = str_replace('=', '', $signed_data);
// decode the data
- $data = base64url_decode($data);
+ $data = Strings::base64UrlDecode($data);
- $author = ostatus::salmon_author($data,$importer);
+ $author = OStatus::salmonAuthor($data, $importer);
$author_link = $author["author-link"];
- if (! $author_link) {
- logger('mod-salmon: Could not retrieve author URI.');
- http_status_exit(400);
+ if(! $author_link) {
+ Logger::notice('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
- logger('mod-salmon: Fetching key for ' . $author_link);
+ Logger::notice('Fetching key for ' . $author_link);
- $key = get_salmon_key($author_link,$keyhash);
+ $key = Salmon::getKey($author_link, $keyhash);
- if (! $key) {
- logger('mod-salmon: Could not retrieve author key.');
- http_status_exit(400);
+ if(! $key) {
+ Logger::notice('Could not retrieve author key.');
+ throw new \Friendica\Network\HTTPException\BadRequestException();
}
$key_info = explode('.',$key);
- $m = base64url_decode($key_info[1]);
- $e = base64url_decode($key_info[2]);
+ $m = Strings::base64UrlDecode($key_info[1]);
+ $e = Strings::base64UrlDecode($key_info[2]);
- logger('mod-salmon: key details: ' . print_r($key_info,true), LOGGER_DEBUG);
+ Logger::info('key details', ['info' => $key_info]);
- $pubkey = metopem($m,$e);
+ $pubkey = Crypto::meToPem($m, $e);
// We should have everything we need now. Let's see if it verifies.
- $verify = rsa_verify($compliant_format,$signature,$pubkey);
+ // Try GNU Social format
+ $verify = Crypto::rsaVerify($signed_data, $signature, $pubkey);
+ $mode = 1;
if (! $verify) {
- logger('mod-salmon: message did not verify using protocol. Trying padding hack.');
- $verify = rsa_verify($signed_data,$signature,$pubkey);
+ Logger::notice('message did not verify using protocol. Trying compliant format.');
+ $verify = Crypto::rsaVerify($compliant_format, $signature, $pubkey);
+ $mode = 2;
}
if (! $verify) {
- logger('mod-salmon: message did not verify using padding. Trying old statusnet hack.');
- $verify = rsa_verify($stnet_signed_data,$signature,$pubkey);
+ Logger::notice('message did not verify using padding. Trying old statusnet format.');
+ $verify = Crypto::rsaVerify($stnet_signed_data, $signature, $pubkey);
+ $mode = 3;
}
if (! $verify) {
- logger('mod-salmon: Message did not verify. Discarding.');
- http_status_exit(400);
+ Logger::notice('Message did not verify. Discarding.');
+ throw new \Friendica\Network\HTTPException\BadRequestException();
}
- logger('mod-salmon: Message verified.');
+ Logger::notice('Message verified with mode '.$mode);
/*
*
*/
- $r = q("SELECT * FROM `contact` WHERE `network` IN ('%s', '%s')
- AND (`nurl` = '%s' OR `alias` = '%s' OR `alias` = '%s')
- AND `uid` = %d LIMIT 1",
- dbesc(NETWORK_OSTATUS),
- dbesc(NETWORK_DFRN),
- dbesc(normalise_link($author_link)),
- dbesc($author_link),
- dbesc(normalise_link($author_link)),
- intval($importer['uid'])
- );
- if (! dbm::is_result($r)) {
- logger('mod-salmon: Author unknown to us.');
- if (get_pconfig($importer['uid'],'system','ostatus_autofriend')) {
- $result = new_contact($importer['uid'],$author_link);
- if ($result['success']) {
- $r = q("SELECT * FROM `contact` WHERE `network` = '%s' AND ( `url` = '%s' OR `alias` = '%s')
- AND `uid` = %d LIMIT 1",
- dbesc(NETWORK_OSTATUS),
- dbesc($author_link),
- dbesc($author_link),
- intval($importer['uid'])
- );
- }
- }
+ $contact = DBA::selectFirst('contact', ["`network` IN (?, ?) AND (`nurl` = ? OR `alias` = ? OR `alias` = ?) AND `uid` = ?",
+ Protocol::OSTATUS, Protocol::DFRN, Strings::normaliseLink($author_link), $author_link, Strings::normaliseLink($author_link), $importer['uid']]);
+
+ if (!empty($contact['gsid'])) {
+ GServer::setProtocol($contact['gsid'], Post\DeliveryData::OSTATUS);
}
// Have we ignored the person?
// If so we can not accept this post.
- //if ((dbm::is_result($r)) && (($r[0]['readonly']) || ($r[0]['rel'] == CONTACT_IS_FOLLOWER) || ($r[0]['blocked']))) {
- if (dbm::is_result($r) && $r[0]['blocked']) {
- logger('mod-salmon: Ignoring this author.');
- http_status_exit(202);
- // NOTREACHED
+ if (!empty($contact['blocked'])) {
+ Logger::notice('Ignoring this author.');
+ throw new \Friendica\Network\HTTPException\AcceptedException();
}
// Placeholder for hub discovery.
$hub = '';
- $contact_rec = ((dbm::is_result($r)) ? $r[0] : null);
-
- ostatus::import($data,$importer,$contact_rec, $hub);
+ OStatus::import($data, $importer, $contact ?: [], $hub);
- http_status_exit(200);
+ throw new \Friendica\Network\HTTPException\OKException();
}
projects / friendica.git / blobdiff