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Merge pull request #149 from CatoTH/master

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Add a missing security token [Using photos as profile photos]
This commit is contained in:
Simon 2012-03-19 00:40:51 -07:00
parent cca524495c 0341078a73
commit 283bc51acf
2 changed files with 13 additions and 9 deletions
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20
include/security.php
View file

@ -299,16 +299,16 @@ function item_permissions_sql($owner_id,$remote_verified = false,$groups = null)
* Actually, important actions should not be triggered by Links / GET-Requests at all, but somethimes they still are,
* so this mechanism brings in some damage control (the attacker would be able to forge a request to a form of this type, but not to forms of other types).
*/
function get_form_security_token($typename = "") {
function get_form_security_token($typename = '') {
$a = get_app();
$timestamp = time();
$sec_hash = hash('whirlpool', $a->user["guid"] . $a->user["prvkey"] . session_id() . $timestamp . $typename);
$sec_hash = hash('whirlpool', $a->user['guid'] . $a->user['prvkey'] . session_id() . $timestamp . $typename);
return $timestamp . "." . $sec_hash;
return $timestamp . '.' . $sec_hash;
}
function check_form_security_token($typename = "", $formname = 'form_security_token') {
function check_form_security_token($typename = '', $formname = 'form_security_token') {
if (!x($_REQUEST, $formname)) return false;
$hash = $_REQUEST[$formname];
@ -316,10 +316,10 @@ function check_form_security_token($typename = "", $formname = 'form_security_to
$a = get_app();
$x = explode(".", $hash);
$x = explode('.', $hash);
if (time() > (IntVal($x[0]) + $max_livetime)) return false;
$sec_hash = hash('whirlpool', $a->user["guid"] . $a->user["prvkey"] . session_id() . $x[0] . $typename);
$sec_hash = hash('whirlpool', $a->user['guid'] . $a->user['prvkey'] . session_id() . $x[0] . $typename);
return ($sec_hash == $x[1]);
}
@ -327,15 +327,19 @@ function check_form_security_token($typename = "", $formname = 'form_security_to
function check_form_security_std_err_msg() {
return t('The form security token was not correct. This probably happened because the form has been opened for too long (>3 hours) before subitting it.') . EOL;
}
function check_form_security_token_redirectOnErr($err_redirect, $typename = "", $formname = 'form_security_token') {
function check_form_security_token_redirectOnErr($err_redirect, $typename = '', $formname = 'form_security_token') {
if (!check_form_security_token($typename, $formname)) {
$a = get_app();
logger('check_form_security_token failed: user ' . $a->user['guid'] . ' - form element ' . $typename);
logger('check_form_security_token failed: _REQUEST data: ' . print_r($_REQUEST, true), LOGGER_DATA);
notice( check_form_security_std_err_msg() );
goaway($a->get_baseurl() . $err_redirect );
}
}
function check_form_security_token_ForbiddenOnErr($typename = "", $formname = 'form_security_token') {
function check_form_security_token_ForbiddenOnErr($typename = '', $formname = 'form_security_token') {
if (!check_form_security_token($typename, $formname)) {
logger('check_form_security_token failed: user ' . $a->user['guid'] . ' - form element ' . $typename);
logger('check_form_security_token failed: _REQUEST data: ' . print_r($_REQUEST, true), LOGGER_DATA);
header('HTTP/1.1 403 Forbidden');
killme();
}

2
mod/photos.php
View file

@ -1069,7 +1069,7 @@ function photos_content(&$a) {
if($can_post && ($ph[0]['uid'] == $owner_uid)) {
$tools = array(
'edit' => array($a->get_baseurl() . '/photos/' . $a->data['user']['nickname'] . '/image/' . $datum . (($cmd === 'edit') ? '' : '/edit'), (($cmd === 'edit') ? t('View photo') : t('Edit photo'))),
'profile'=>array($a->get_baseurl() . '/profile_photo/use/'.$ph[0]['resource-id'], t('Use as profile photo')),
'profile'=>array($a->get_baseurl() . '/profile_photo/use/'.$ph[0]['resource-id'] . '?form_security_token=' . get_form_security_token('profile_photo'), t('Use as profile photo')),
);
// lock