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Fix error and set by default to preventXSS

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Genaro Contreras Gutierrez 2019-07-31 08:21:14 -07:00 committed by GitHub
parent cb9c0cce3e
commit c87571f6b7
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 14 additions and 4 deletions
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18
lib/functions.php
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@ -651,7 +651,7 @@ function error($msg,$type='note',$redirect=null,$fatal=false,$backtrace=false) {
* *
* @return The form GET/REQUEST/SESSION/POST variable value or its default * @return The form GET/REQUEST/SESSION/POST variable value or its default
*/ */
function get_request($attr,$type='POST',$die=false,$default=null,$preventXSS=false) { function get_request($attr,$type='POST',$die=false,$default=null,$preventXSS=true) {
switch($type) { switch($type) {
case 'GET': case 'GET':
$value = isset($_GET[$attr]) ? (is_array($_GET[$attr]) ? $_GET[$attr] : (empty($_GET['nodecode'][$attr]) ? rawurldecode($_GET[$attr]) : $_GET[$attr])) : $default; $value = isset($_GET[$attr]) ? (is_array($_GET[$attr]) ? $_GET[$attr] : (empty($_GET['nodecode'][$attr]) ? rawurldecode($_GET[$attr]) : $_GET[$attr])) : $default;
@ -675,7 +675,7 @@ function get_request($attr,$type='POST',$die=false,$default=null,$preventXSS=fal
system_message(array( system_message(array(
'title'=>_('Generic Error'), 'title'=>_('Generic Error'),
'body'=>sprintf('%s: Called "%s" without "%s" using "%s"', 'body'=>sprintf('%s: Called "%s" without "%s" using "%s"',
basename($_SERVER['PHP_SELF']),get_request('cmd','REQUEST',false,null,true),preventXSS($attr),preventXSS($type)), basename($_SERVER['PHP_SELF']),get_request('cmd','REQUEST'),preventXSS($attr),preventXSS($type)),
'type'=>'error'), 'type'=>'error'),
'index.php'); 'index.php');
if($preventXSS && !is_null($value)) if($preventXSS && !is_null($value))
@ -686,10 +686,20 @@ function get_request($attr,$type='POST',$die=false,$default=null,$preventXSS=fal
* Prevent XSS function. This function can usage has preventXSS(get_request('cmd','REQUEST')) * Prevent XSS function. This function can usage has preventXSS(get_request('cmd','REQUEST'))
* Return valor escape XSS. * Return valor escape XSS.
*/ */
function preventXSS($value){ function preventXSS($data){
return htmlspecialchars(addslashes($value), ENT_QUOTES, 'UTF-8'); if (gettype($data) == 'array') {
foreach ($data as $key => $value) {
if (gettype($value) == 'array')
$data[$key] = preventXSS($value);
else
$data[$key] = htmlspecialchars($value);
}
return $data;
}
return htmlspecialchars($data, ENT_QUOTES, 'UTF-8');
} }
/*
* Record a system message. * Record a system message.
* This function can be used as an alternative to generate a system message, if page hasnt yet been defined. * This function can be used as an alternative to generate a system message, if page hasnt yet been defined.
*/ */