diff options
Diffstat (limited to 'system')
| -rw-r--r-- | system/core/Router.php | 6 | ||||
| -rw-r--r-- | system/core/URI.php | 35 |
2 files changed, 26 insertions, 15 deletions
diff --git a/system/core/Router.php b/system/core/Router.php index cb44a3ce9..71530ff07 100644 --- a/system/core/Router.php +++ b/system/core/Router.php @@ -154,16 +154,16 @@ class CI_Router { { if (isset($_GET[$this->config->item('directory_trigger')]) && is_string($_GET[$this->config->item('directory_trigger')])) { - $this->set_directory(trim($this->uri->_filter_uri($_GET[$this->config->item('directory_trigger')]))); + $this->set_directory(trim($this->uri->filter_uri($_GET[$this->config->item('directory_trigger')]))); $segments[] = $this->directory; } - $this->set_class(trim($this->uri->_filter_uri($_GET[$this->config->item('controller_trigger')]))); + $this->set_class(trim($this->uri->filter_uri($_GET[$this->config->item('controller_trigger')]))); $segments[] = $this->class; if ( ! empty($_GET[$this->config->item('function_trigger')]) && is_string($_GET[$this->config->item('function_trigger')])) { - $this->set_method(trim($this->uri->_filter_uri($_GET[$this->config->item('function_trigger')]))); + $this->set_method(trim($this->uri->filter_uri($_GET[$this->config->item('function_trigger')]))); $segments[] = $this->method; } } diff --git a/system/core/URI.php b/system/core/URI.php index 5e4c80a00..3d6d202c0 100644 --- a/system/core/URI.php +++ b/system/core/URI.php @@ -70,6 +70,15 @@ class CI_URI { public $rsegments = array(); /** + * Permitted URI chars + * + * PCRE character group allowed in URI segments + * + * @var string + */ + protected $_permitted_uri_chars; + + /** * Class constructor * * Simply globalizes the $RTR object. The front @@ -81,6 +90,12 @@ class CI_URI { public function __construct() { $this->config =& load_class('Config', 'core'); + + if ($this->config->item('enable_query_strings') !== TRUE OR is_cli()) + { + $this->_permitted_uri_chars = $this->config->item('permitted_uri_chars'); + } + log_message('debug', 'URI Class Initialized'); } @@ -303,23 +318,19 @@ class CI_URI { * @param string $str * @return string */ - public function _filter_uri($str) + public function filter_uri($str) { - if ($str !== '' && $this->config->item('permitted_uri_chars') != '' && $this->config->item('enable_query_strings') === FALSE) + if ( ! empty($str) && ! empty($this->_permitted_uri_chars) && ! preg_match('/^['.$this->_permitted_uri_chars.']+$/i', $str)) { - // preg_quote() in PHP 5.3 escapes -, so the str_replace() and addition of - to preg_quote() is to maintain backwards - // compatibility as many are unaware of how characters in the permitted_uri_chars will be parsed as a regex pattern - if ( ! preg_match('|^['.str_replace(array('\\-', '\-'), '-', preg_quote($this->config->item('permitted_uri_chars'), '-')).']+$|i', $str)) - { - show_error('The URI you submitted has disallowed characters.', 400); - } + show_error('The URI you submitted has disallowed characters.', 400); } // Convert programatic characters to entities and return return str_replace( - array('$', '(', ')', '%28', '%29'), // Bad - array('$', '(', ')', '(', ')'), // Good - $str); + array('$', '(', ')', '%28', '%29'), // Bad + array('$', '(', ')', '(', ')'), // Good + $str + ); } // -------------------------------------------------------------------- @@ -365,7 +376,7 @@ class CI_URI { foreach (explode('/', preg_replace('|/*(.+?)/*$|', '\\1', $this->uri_string)) as $val) { // Filter segments for security - $val = trim($this->_filter_uri($val)); + $val = trim($this->filter_uri($val)); if ($val !== '') { |