<?php
+/**
+ * @file mod/salmon.php
+ */
+use Friendica\App;
+use Friendica\Core\PConfig;
+use Friendica\Core\System;
+use Friendica\Database\DBM;
+use Friendica\Model\Contact;
+use Friendica\Protocol\OStatus;
+use Friendica\Protocol\Salmon;
+use Friendica\Util\Crypto;
+
+require_once 'include/items.php';
+
+function salmon_post(App $a, $xml = '') {
+
+ if (empty($xml)) {
+ $xml = file_get_contents('php://input');
+ }
-require_once('include/salmon.php');
-require_once('include/ostatus.php');
-require_once('include/crypto.php');
-require_once('include/items.php');
-require_once('include/follow.php');
-
-function salmon_return($val) {
-
- if($val >= 400)
- $err = 'Error';
- if($val >= 200 && $val < 300)
- $err = 'OK';
-
- logger('mod-salmon returns ' . $val);
- header($_SERVER["SERVER_PROTOCOL"] . ' ' . $val . ' ' . $err);
- killme();
-
-}
-
-function salmon_post(&$a) {
-
- $xml = file_get_contents('php://input');
-
- logger('mod-salmon: new salmon ' . $xml, LOGGER_DATA);
+ logger('new salmon ' . $xml, LOGGER_DATA);
$nick = (($a->argc > 1) ? notags(trim($a->argv[1])) : '');
$mentions = (($a->argc > 2 && $a->argv[2] === 'mention') ? true : false);
$r = q("SELECT * FROM `user` WHERE `nickname` = '%s' AND `account_expired` = 0 AND `account_removed` = 0 LIMIT 1",
dbesc($nick)
);
- if (! dbm::is_result($r)) {
- http_status_exit(500);
+ if (! DBM::is_result($r)) {
+ System::httpExit(500);
}
$importer = $r[0];
$dom = simplexml_load_string($xml,'SimpleXMLElement',0,NAMESPACE_SALMON_ME);
- // figure out where in the DOM tree our data is hiding
+ $base = null;
+ // figure out where in the DOM tree our data is hiding
if($dom->provenance->data)
$base = $dom->provenance;
elseif($dom->env->data)
$base = $dom;
if(! $base) {
- logger('mod-salmon: unable to locate salmon data in xml ');
- http_status_exit(400);
+ logger('unable to locate salmon data in xml ');
+ System::httpExit(400);
}
// Stash the signature away for now. We have to find their key or it won't be good for anything.
// 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
$signed_data = $data . '.' . base64url_encode($type) . '.' . base64url_encode($encoding) . '.' . base64url_encode($alg);
- $compliant_format = str_replace('=','',$signed_data);
+ $compliant_format = str_replace('=', '', $signed_data);
// decode the data
$data = base64url_decode($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);
+ logger('Could not retrieve author URI.');
+ System::httpExit(400);
}
// 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('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);
+ logger('Could not retrieve author key.');
+ System::httpExit(400);
}
$key_info = explode('.',$key);
$m = base64url_decode($key_info[1]);
$e = base64url_decode($key_info[2]);
- logger('mod-salmon: key details: ' . print_r($key_info,true), LOGGER_DEBUG);
+ logger('key details: ' . print_r($key_info,true), LOGGER_DEBUG);
- $pubkey = metopem($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);
+ if (! $verify) {
+ logger('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);
+ if (! $verify) {
+ logger('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);
+ if (! $verify) {
+ logger('Message did not verify. Discarding.');
+ System::httpExit(400);
}
- logger('mod-salmon: Message verified.');
+ logger('Message verified with mode '.$mode);
/*
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'],$author_link);
+ if (! DBM::is_result($r)) {
+ logger('Author ' . $author_link . ' unknown to user ' . $importer['uid'] . '.');
+ if(PConfig::get($importer['uid'],'system','ostatus_autofriend')) {
+ $result = Contact::createFromProbe($importer['uid'], $author_link);
if($result['success']) {
- $r = q("SELECT * FROM `contact` WHERE `network` = '%s' AND ( `url` = '%s' OR `alias` = '%s')
+ $r = q("SELECT * FROM `contact` WHERE `network` = '%s' AND ( `url` = '%s' OR `alias` = '%s')
AND `uid` = %d LIMIT 1",
dbesc(NETWORK_OSTATUS),
dbesc($author_link),
// 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) && $r[0]['blocked']) {
- logger('mod-salmon: Ignoring this author.');
- http_status_exit(202);
+ //if((DBM::is_result($r)) && (($r[0]['readonly']) || ($r[0]['rel'] == CONTACT_IS_FOLLOWER) || ($r[0]['blocked']))) {
+ if (DBM::is_result($r) && $r[0]['blocked']) {
+ logger('Ignoring this author.');
+ System::httpExit(202);
// NOTREACHED
}
// Placeholder for hub discovery.
$hub = '';
- $contact_rec = ((dbm::is_result($r)) ? $r[0] : null);
+ $contact_rec = ((DBM::is_result($r)) ? $r[0] : null);
- ostatus::import($data,$importer,$contact_rec, $hub);
+ OStatus::import($data, $importer, $contact_rec, $hub);
- http_status_exit(200);
+ System::httpExit(200);
}