Merge pull request #6261 from annando/fix-magic

[friendica.git] / mod / dfrn_confirm.php

diff --git a/mod/dfrn_confirm.php b/mod/dfrn_confirm.php
index 0f001b11a294e9069f562368b458d11976488b5d..6f365c5315bf99aa3a35deaa08ea40fe1ca7bf7c 100644 (file)
--- a/mod/dfrn_confirm.php
+++ b/mod/dfrn_confirm.php
@@ -33,6 +33,7 @@ use Friendica\Protocol\ActivityPub;
 use Friendica\Util\Crypto;
 use Friendica\Util\DateTimeFormat;
 use Friendica\Util\Network;
+use Friendica\Util\Strings;
 use Friendica\Util\XML;
 
 require_once 'include/enotify.php';
@@ -62,7 +63,7 @@ function dfrn_confirm_post(App $a, $handsfree = null)
         * this being a page type which supports automatic friend acceptance. That is also Scenario 1
         * since we are operating on behalf of our registered user to approve a friendship.
         */
-       if (!x($_POST, 'source_url')) {
+       if (empty($_POST['source_url'])) {
                $uid = defaults($handsfree, 'uid', local_user());
                if (!$uid) {
                        notice(L10n::t('Permission denied.') . EOL);
@@ -84,7 +85,7 @@ function dfrn_confirm_post(App $a, $handsfree = null)
                        $cid      = 0;
                        $hidden   = intval(defaults($handsfree, 'hidden'  , 0));
                } else {
-                       $dfrn_id  = notags(trim(defaults($_POST, 'dfrn_id'   , '')));
+                       $dfrn_id  = Strings::escapeTags(trim(defaults($_POST, 'dfrn_id'   , '')));
                        $intro_id =      intval(defaults($_POST, 'intro_id'  , 0));
                        $duplex   =      intval(defaults($_POST, 'duplex'    , 0));
                        $cid      =      intval(defaults($_POST, 'contact_id', 0));
@@ -263,7 +264,7 @@ function dfrn_confirm_post(App $a, $handsfree = null)
                                        break;
                                case 1:
                                        // birthday paradox - generate new dfrn-id and fall through.
-                                       $new_dfrn_id = random_string();
+                                       $new_dfrn_id = Strings::getRandomHex();
                                        q("UPDATE contact SET `issued-id` = '%s' WHERE `id` = %d AND `uid` = %d",
                                                DBA::escape($new_dfrn_id),
                                                intval($contact_id),
@@ -416,7 +417,7 @@ function dfrn_confirm_post(App $a, $handsfree = null)
         * In the section above where the confirming party makes a POST and
         * retrieves xml status information, they are communicating with the following code.
         */
-       if (x($_POST, 'source_url')) {
+       if (!empty($_POST['source_url'])) {
                // We are processing an external confirmation to an introduction created by our user.
                $public_key =         defaults($_POST, 'public_key', '');
                $dfrn_id    = hex2bin(defaults($_POST, 'dfrn_id'   , ''));
@@ -434,7 +435,7 @@ function dfrn_confirm_post(App $a, $handsfree = null)
 
                // If $aes_key is set, both of these items require unpacking from the hex transport encoding.
 
-               if (x($aes_key)) {
+               if (!empty($aes_key)) {
                        $aes_key = hex2bin($aes_key);
                        $public_key = hex2bin($public_key);
                }