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-rwxr-xr-xsystem/core/Security.php23
1 files changed, 6 insertions, 17 deletions
diff --git a/system/core/Security.php b/system/core/Security.php
index d7881d846..1007f61f4 100755
--- a/system/core/Security.php
+++ b/system/core/Security.php
@@ -153,20 +153,13 @@ class CI_Security {
}
// Do the tokens exist in both the _POST and _COOKIE arrays?
- if ( ! isset($_POST[$this->_csrf_token_name]) OR
- ! isset($_COOKIE[$this->_csrf_cookie_name]))
+ if ( ! isset($_POST[$this->_csrf_token_name]) OR ! isset($_COOKIE[$this->_csrf_cookie_name])
+ OR $_POST[$this->_csrf_token_name] != $_COOKIE[$this->_csrf_cookie_name]) // Do the tokens match?
{
$this->csrf_show_error();
}
- // Do the tokens match?
- if ($_POST[$this->_csrf_token_name] != $_COOKIE[$this->_csrf_cookie_name])
- {
- $this->csrf_show_error();
- }
-
- // We kill this since we're done and we don't want to
- // polute the _POST array
+ // We kill this since we're done and we don't want to polute the _POST array
unset($_POST[$this->_csrf_token_name]);
// Regenerate on every submission?
@@ -308,10 +301,9 @@ class CI_Security {
* This permits our tests below to work reliably.
* We only convert entities that are within tags since
* these are the ones that will pose security problems.
- *
*/
$str = preg_replace_callback("/[a-z]+=([\'\"]).*?\\1/si", array($this, '_convert_attribute'), $str);
- $str = preg_replace_callback("/<\w+.*?(?=>|<|$)/si", array($this, '_decode_entity'), $str);
+ $str = preg_replace_callback('/<\w+.*?(?=>|<|$)/si', array($this, '_decode_entity'), $str);
// Remove Invisible Characters Again!
$str = remove_invisible_characters($str);
@@ -326,9 +318,7 @@ class CI_Security {
*/
$str = str_replace("\t", ' ', $str);
- /*
- * Capture converted string for later comparison
- */
+ // Capture converted string for later comparison
$converted_string = $str;
// Remove Strings that are never allowed
@@ -720,12 +710,11 @@ class CI_Security {
protected function _filter_attributes($str)
{
$out = '';
-
if (preg_match_all('#\s*[a-z\-]+\s*=\s*(\042|\047)([^\\1]*?)\\1#is', $str, $matches))
{
foreach ($matches[0] as $match)
{
- $out .= preg_replace("#/\*.*?\*/#s", '', $match);
+ $out .= preg_replace('#/\*.*?\*/#s', '', $match);
}
}