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authorAndrey Andreev <narf@bofh.bg>2012-03-20 14:34:17 +0100
committerAndrey Andreev <narf@bofh.bg>2012-03-20 14:34:17 +0100
commit407219ddff7e11516c7f295ee3e07c31ba3fe9ee (patch)
tree55f910d2f6d57f6436f28b7ce06666d77f41d6bc /system/core/Security.php
parent99f31cd1a487d209fd9632b40baf12406bd897c1 (diff)
parent820999cb0d82c80d6dc5dde133568812c8113e29 (diff)
Merge branch 'develop' of github.com:EllisLab/CodeIgniter into develop-zip
Diffstat (limited to 'system/core/Security.php')
-rwxr-xr-xsystem/core/Security.php55
1 files changed, 32 insertions, 23 deletions
diff --git a/system/core/Security.php b/system/core/Security.php
index 1007f61f4..ac39ce97b 100755
--- a/system/core/Security.php
+++ b/system/core/Security.php
@@ -2,7 +2,7 @@
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
*
* NOTICE OF LICENSE
*
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* Security Class
*
@@ -106,23 +104,27 @@ class CI_Security {
public function __construct()
{
- // CSRF config
- foreach(array('csrf_expire', 'csrf_token_name', 'csrf_cookie_name') as $key)
+ // Is CSRF protection enabled?
+ if (config_item('csrf_protection') === TRUE)
{
- if (FALSE !== ($val = config_item($key)))
+ // CSRF config
+ foreach (array('csrf_expire', 'csrf_token_name', 'csrf_cookie_name') as $key)
{
- $this->{'_'.$key} = $val;
+ if (FALSE !== ($val = config_item($key)))
+ {
+ $this->{'_'.$key} = $val;
+ }
}
- }
- // Append application specific cookie prefix
- if (config_item('cookie_prefix'))
- {
- $this->_csrf_cookie_name = config_item('cookie_prefix').$this->_csrf_cookie_name;
- }
+ // Append application specific cookie prefix
+ if (config_item('cookie_prefix'))
+ {
+ $this->_csrf_cookie_name = config_item('cookie_prefix').$this->_csrf_cookie_name;
+ }
- // Set the CSRF hash
- $this->_csrf_set_hash();
+ // Set the CSRF hash
+ $this->_csrf_set_hash();
+ }
log_message('debug', 'Security Class Initialized');
}
@@ -136,8 +138,8 @@ class CI_Security {
*/
public function csrf_verify()
{
- // If no POST data exists we will set the CSRF cookie
- if (count($_POST) === 0)
+ // If it's not a POST request we will set the CSRF cookie
+ if (strtoupper($_SERVER['REQUEST_METHOD']) !== 'POST')
{
return $this->csrf_set_cookie();
}
@@ -189,12 +191,20 @@ class CI_Security {
$expire = time() + $this->_csrf_expire;
$secure_cookie = (bool) config_item('cookie_secure');
- if ($secure_cookie && ( ! isset($_SERVER['HTTPS']) OR $_SERVER['HTTPS'] == 'off' OR ! $_SERVER['HTTPS']))
+ if ($secure_cookie && (empty($_SERVER['HTTPS']) OR strtolower($_SERVER['HTTPS']) === 'off'))
{
return FALSE;
}
- setcookie($this->_csrf_cookie_name, $this->_csrf_hash, $expire, config_item('cookie_path'), config_item('cookie_domain'), $secure_cookie);
+ setcookie(
+ $this->_csrf_cookie_name,
+ $this->_csrf_hash,
+ $expire,
+ config_item('cookie_path'),
+ config_item('cookie_domain'),
+ $secure_cookie,
+ config_item('cookie_httponly')
+ );
log_message('debug', 'CRSF cookie Set');
return $this;
@@ -358,7 +368,7 @@ class CI_Security {
foreach ($words as $word)
{
- $word = implode("\s*", str_split($word)) . "\s*";
+ $word = implode('\s*', str_split($word)).'\s*';
// We only want to do this when it is followed by a non-word character
// That way valid stuff like "dealer to" does not become "dealerto"
@@ -425,7 +435,6 @@ class CI_Security {
'\\1\\2&#40;\\3&#41;',
$str);
-
// Final clean up
// This adds a bit of extra precaution in case
// something got through the above filters
@@ -601,7 +610,7 @@ class CI_Security {
}
// find occurrences of illegal attribute strings with quotes (042 and 047 are octal quotes)
- preg_match_all('/('.implode('|', $evil_attributes).')\s*=\s*(\042|\047)([^\\2]*?)(\\2)/is', $str, $matches, PREG_SET_ORDER);
+ preg_match_all('/('.implode('|', $evil_attributes).')\s*=\s*(\042|\047)([^\\2]*?)(\\2)/is', $str, $matches, PREG_SET_ORDER);
foreach ($matches as $attr)
{
@@ -633,7 +642,7 @@ class CI_Security {
{
return '&lt;'.$matches[1].$matches[2].$matches[3] // encode opening brace
// encode captured opening or closing brace to prevent recursive vectors:
- . str_replace(array('>', '<'), array('&gt;', '&lt;'), $matches[4]);
+ .str_replace(array('>', '<'), array('&gt;', '&lt;'), $matches[4]);
}
// --------------------------------------------------------------------