Revert use statement

[friendica.git] / mod / salmon.php

diff --git a/mod/salmon.php b/mod/salmon.php
index 76ab999b2d8d06c9acdc353343ceb6176b08ccba..d5b0fe243036b3d0dc41484af647371a61ff17da 100644 (file)
--- a/mod/salmon.php
+++ b/mod/salmon.php
@@ -1,16 +1,22 @@
 <?php
-
-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');
+/**
+ * @file mod/salmon.php
+ */
+use Friendica\App;
+use Friendica\Core\PConfig;
+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_return($val) {
 
-       if ($val >= 400)
+       if($val >= 400)
                $err = 'Error';
-       if ($val >= 200 && $val < 300)
+       if($val >= 200 && $val < 300)
                $err = 'OK';
 
        logger('mod-salmon returns ' . $val);
@@ -31,7 +37,7 @@ function salmon_post(App $a) {
        $r = q("SELECT * FROM `user` WHERE `nickname` = '%s' AND `account_expired` = 0 AND `account_removed` = 0 LIMIT 1",
                dbesc($nick)
        );
-       if (! dbm::is_result($r)) {
+       if (! DBM::is_result($r)) {
                http_status_exit(500);
        }
 
@@ -43,14 +49,14 @@ function salmon_post(App $a) {
 
        // figure out where in the DOM tree our data is hiding
 
-       if ($dom->provenance->data)
+       if($dom->provenance->data)
                $base = $dom->provenance;
-       elseif ($dom->env->data)
+       elseif($dom->env->data)
                $base = $dom->env;
-       elseif ($dom->data)
+       elseif($dom->data)
                $base = $dom;
 
-       if (! $base) {
+       if(! $base) {
                logger('mod-salmon: unable to locate salmon data in xml ');
                http_status_exit(400);
        }
@@ -63,7 +69,7 @@ function salmon_post(App $a) {
        // 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
 
@@ -79,16 +85,16 @@ function salmon_post(App $a) {
 
        $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) {
+       if(! $author_link) {
                logger('mod-salmon: Could not retrieve author URI.');
                http_status_exit(400);
        }
@@ -97,9 +103,9 @@ function salmon_post(App $a) {
 
        logger('mod-salmon: Fetching key for ' . $author_link);
 
-       $key = get_salmon_key($author_link,$keyhash);
+       $key = Salmon::getKey($author_link, $keyhash);
 
-       if (! $key) {
+       if(! $key) {
                logger('mod-salmon: Could not retrieve author key.');
                http_status_exit(400);
        }
@@ -111,20 +117,24 @@ function salmon_post(App $a) {
 
        logger('mod-salmon: 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);
+               logger('mod-salmon: 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('mod-salmon: message did not verify using padding. Trying old statusnet format.');
+               $verify = Crypto::rsaVerify($stnet_signed_data, $signature, $pubkey);
+               $mode = 3;
        }
 
        if (! $verify) {
@@ -132,7 +142,7 @@ function salmon_post(App $a) {
                http_status_exit(400);
        }
 
-       logger('mod-salmon: Message verified.');
+       logger('mod-salmon: Message verified with mode '.$mode);
 
 
        /*
@@ -151,11 +161,11 @@ function salmon_post(App $a) {
                dbesc(normalise_link($author_link)),
                intval($importer['uid'])
        );
-       if (! dbm::is_result($r)) {
+       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']) {
+               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')
                                        AND `uid` = %d LIMIT 1",
                                        dbesc(NETWORK_OSTATUS),
@@ -170,8 +180,8 @@ function salmon_post(App $a) {
        // 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) && $r[0]['blocked']) {
+       //if((DBM::is_result($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
@@ -180,9 +190,9 @@ function salmon_post(App $a) {
        // 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);
 }