diff options
Diffstat (limited to 'system/core')
| -rwxr-xr-x | system/core/CodeIgniter.php | 22 | ||||
| -rw-r--r-- | system/core/Common.php | 30 | ||||
| -rwxr-xr-x | system/core/Input.php | 50 | ||||
| -rwxr-xr-x | system/core/Lang.php | 4 | ||||
| -rwxr-xr-x | system/core/Loader.php | 2 | ||||
| -rwxr-xr-x | system/core/Security.php | 83 | ||||
| -rwxr-xr-x | system/core/URI.php | 4 |
7 files changed, 101 insertions, 94 deletions
diff --git a/system/core/CodeIgniter.php b/system/core/CodeIgniter.php index 0a1391d18..9f88384b1 100755 --- a/system/core/CodeIgniter.php +++ b/system/core/CodeIgniter.php @@ -33,27 +33,7 @@ * @var string * */ - /** - * CodeIgniter Version - * - * @var string - * - */ - define('CI_VERSION', '2.0.2'); - -/** - * CodeIgniter Branch (Core = TRUE, Reactor = FALSE) - * - * @var boolean - * - */ - /** - * CodeIgniter Branch (Core = TRUE, Reactor = FALSE) - * - * @var string - * - */ - define('CI_CORE', FALSE); + define('CI_VERSION', '2.1.0-dev'); /* * ------------------------------------------------------ diff --git a/system/core/Common.php b/system/core/Common.php index db9fbeb9f..d79375475 100644 --- a/system/core/Common.php +++ b/system/core/Common.php @@ -132,9 +132,9 @@ if ( ! function_exists('load_class')) $name = FALSE; - // Look for the class first in the native system/libraries folder - // thenin the local application/libraries folder - foreach (array(BASEPATH, APPPATH) as $path) + // Look for the class first in the local application/libraries folder + // then in the native system/libraries folder + foreach (array(APPPATH, BASEPATH) as $path) { if (file_exists($path.$directory.'/'.$class.'.php')) { @@ -536,5 +536,29 @@ if ( ! function_exists('remove_invisible_characters')) } } +// ------------------------------------------------------------------------ + +/** +* Returns HTML escaped variable +* +* @access public +* @param mixed +* @return mixed +*/ +if ( ! function_exists('html_escape')) +{ + function html_escape($var) + { + if (is_array($var)) + { + return array_map('html_escape', $var); + } + else + { + return htmlspecialchars($var, ENT_QUOTES, config_item('charset')); + } + } +} + /* End of file Common.php */ /* Location: ./system/core/Common.php */
\ No newline at end of file diff --git a/system/core/Input.php b/system/core/Input.php index 5a033e7b8..6f8442107 100755 --- a/system/core/Input.php +++ b/system/core/Input.php @@ -110,13 +110,13 @@ class CI_Input { * * This is a helper function to retrieve values from global arrays * - * @access private + * @access protected * @param array * @param string * @param bool * @return string */ - function _fetch_from_array(&$array, $index = '', $xss_clean = FALSE) + protected function _fetch_from_array(&$array, $index = '', $xss_clean = FALSE) { if ( ! isset($array[$index])) { @@ -141,7 +141,7 @@ class CI_Input { * @param bool * @return string */ - function get($index = NULL, $xss_clean = FALSE) + public function get($index = NULL, $xss_clean = FALSE) { // Check if a field has been provided if ($index === NULL AND ! empty($_GET)) @@ -169,7 +169,7 @@ class CI_Input { * @param bool * @return string */ - function post($index = NULL, $xss_clean = FALSE) + public function post($index = NULL, $xss_clean = FALSE) { // Check if a field has been provided if ($index === NULL AND ! empty($_POST)) @@ -198,7 +198,7 @@ class CI_Input { * @param bool XSS cleaning * @return string */ - function get_post($index = '', $xss_clean = FALSE) + public function get_post($index = '', $xss_clean = FALSE) { if ( ! isset($_POST[$index]) ) { @@ -220,7 +220,7 @@ class CI_Input { * @param bool * @return string */ - function cookie($index = '', $xss_clean = FALSE) + public function cookie($index = '', $xss_clean = FALSE) { return $this->_fetch_from_array($_COOKIE, $index, $xss_clean); } @@ -243,7 +243,7 @@ class CI_Input { * @param bool true makes the cookie secure * @return void */ - function set_cookie($name = '', $value = '', $expire = '', $domain = '', $path = '/', $prefix = '', $secure = FALSE) + public function set_cookie($name = '', $value = '', $expire = '', $domain = '', $path = '/', $prefix = '', $secure = FALSE) { if (is_array($name)) { @@ -296,7 +296,7 @@ class CI_Input { * @param bool * @return string */ - function server($index = '', $xss_clean = FALSE) + public function server($index = '', $xss_clean = FALSE) { return $this->_fetch_from_array($_SERVER, $index, $xss_clean); } @@ -309,7 +309,7 @@ class CI_Input { * @access public * @return string */ - function ip_address() + public function ip_address() { if ($this->ip_address !== FALSE) { @@ -323,13 +323,13 @@ class CI_Input { $this->ip_address = in_array($_SERVER['REMOTE_ADDR'], $proxies) ? $_SERVER['HTTP_X_FORWARDED_FOR'] : $_SERVER['REMOTE_ADDR']; } - elseif ($this->server('REMOTE_ADDR') AND $this->server('HTTP_CLIENT_IP')) + elseif (! $this->server('HTTP_CLIENT_IP') AND $this->server('REMOTE_ADDR')) { - $this->ip_address = $_SERVER['HTTP_CLIENT_IP']; + $this->ip_address = $_SERVER['REMOTE_ADDR']; } - elseif ($this->server('REMOTE_ADDR')) + elseif ($this->server('REMOTE_ADDR') AND $this->server('HTTP_CLIENT_IP')) { - $this->ip_address = $_SERVER['REMOTE_ADDR']; + $this->ip_address = $_SERVER['HTTP_CLIENT_IP']; } elseif ($this->server('HTTP_CLIENT_IP')) { @@ -369,10 +369,16 @@ class CI_Input { * * @access public * @param string - * @return string + * @return bool */ - function valid_ip($ip) + public function valid_ip($ip) { + // if php version >= 5.2, use filter_var to check validate ip. + if (function_exists('filter_var')) + { + return (bool) filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4); + } + $ip_segments = explode('.', $ip); // Always 4 segments needed @@ -407,7 +413,7 @@ class CI_Input { * @access public * @return string */ - function user_agent() + public function user_agent() { if ($this->user_agent !== FALSE) { @@ -435,7 +441,7 @@ class CI_Input { * @access private * @return void */ - function _sanitize_globals() + private function _sanitize_globals() { // It would be "wrong" to unset any of these GLOBALS. $protected = array('_SERVER', '_GET', '_POST', '_FILES', '_REQUEST', @@ -536,7 +542,7 @@ class CI_Input { * @param string * @return string */ - function _clean_input_data($str) + private function _clean_input_data($str) { if (is_array($str)) { @@ -549,7 +555,7 @@ class CI_Input { } // We strip slashes if magic quotes is on to keep things consistent - if (function_exists('get_magic_quotes_gpc') AND get_magic_quotes_gpc()) + if (function_exists('get_magic_quotes_gpc') AND @get_magic_quotes_gpc()) { $str = stripslashes($str); } @@ -594,7 +600,7 @@ class CI_Input { * @param string * @return string */ - function _clean_input_keys($str) + private function _clean_input_keys($str) { if ( ! preg_match("/^[a-z0-9:_\/-]+$/i", $str)) { @@ -618,6 +624,7 @@ class CI_Input { * In Apache, you can simply call apache_request_headers(), however for * people running other webservers the function is undefined. * + * @access public * @param bool XSS cleaning * * @return array @@ -661,6 +668,7 @@ class CI_Input { * * Returns the value of a single member of the headers class member * + * @access public * @param string array key for $this->headers * @param boolean XSS Clean or not * @return mixed FALSE on failure, string on success @@ -692,6 +700,7 @@ class CI_Input { * * Test to see if a request contains the HTTP_X_REQUESTED_WITH header * + * @access public * @return boolean */ public function is_ajax_request() @@ -706,6 +715,7 @@ class CI_Input { * * Test to see if a request was made from the command line * + * @access public * @return boolean */ public function is_cli_request() diff --git a/system/core/Lang.php b/system/core/Lang.php index 5ac671838..d61d1029a 100755 --- a/system/core/Lang.php +++ b/system/core/Lang.php @@ -112,7 +112,7 @@ class CI_Lang { } - if ( ! isset($lang)) + if ( ! isset($lang) OR ! is_array($lang)) { log_message('error', 'Language file contains no data: language/'.$idiom.'/'.$langfile); return; @@ -124,7 +124,7 @@ class CI_Lang { } $this->is_loaded[] = $langfile; - $this->language = array_merge($this->language, $lang); + $this->language = $this->language + $lang; unset($lang); log_message('debug', 'Language file loaded: language/'.$idiom.'/'.$langfile); diff --git a/system/core/Loader.php b/system/core/Loader.php index 452dc0b4c..de0fc06d2 100755 --- a/system/core/Loader.php +++ b/system/core/Loader.php @@ -1106,7 +1106,7 @@ class CI_Loader { * @param array * @return void */ - private function _ci_autoloader() + protected function _ci_autoloader() { if (defined('ENVIRONMENT') AND file_exists(APPPATH.'config/'.ENVIRONMENT.'/autoload.php')) { diff --git a/system/core/Security.php b/system/core/Security.php index dcc680a11..65338ced3 100755 --- a/system/core/Security.php +++ b/system/core/Security.php @@ -33,6 +33,7 @@ class CI_Security { * @access protected */ protected $_xss_hash = ''; + /** * Random Hash for Cross Site Request Forgery Protection Cookie * @@ -40,6 +41,7 @@ class CI_Security { * @access protected */ protected $_csrf_hash = ''; + /** * Expiration time for Cross Site Request Forgery Protection Cookie * Defaults to two hours (in seconds) @@ -48,6 +50,7 @@ class CI_Security { * @access protected */ protected $_csrf_expire = 7200; + /** * Token name for Cross Site Request Forgery Protection Cookie * @@ -55,6 +58,7 @@ class CI_Security { * @access protected */ protected $_csrf_token_name = 'ci_csrf_token'; + /** * Cookie name for Cross Site Request Forgery Protection Cookie * @@ -62,12 +66,14 @@ class CI_Security { * @access protected */ protected $_csrf_cookie_name = 'ci_csrf_token'; + /** * List of never allowed strings * * @var array * @access protected */ + protected $_never_allowed_str = array( 'document.cookie' => '[removed]', 'document.write' => '[removed]', @@ -80,7 +86,6 @@ class CI_Security { '<![CDATA[' => '<![CDATA[' ); - /* never allowed, regex replacement */ /** * List of never allowed regex replacement * @@ -135,6 +140,16 @@ class CI_Security { return $this->csrf_set_cookie(); } + // Check if URI has been whitelisted from CSRF checks + if ($exclude_uris = config_item('csrf_exclude_uris')) + { + $uri = load_class('URI', 'core'); + if (in_array($uri->uri_string(), $exclude_uris)) + { + return $this; + } + } + // Do the tokens exist in both the _POST and _COOKIE arrays? if ( ! isset($_POST[$this->_csrf_token_name]) OR ! isset($_COOKIE[$this->_csrf_cookie_name])) @@ -154,10 +169,11 @@ class CI_Security { // Nothing should last forever unset($_COOKIE[$this->_csrf_cookie_name]); + $this->_csrf_hash = ''; $this->_csrf_set_hash(); $this->csrf_set_cookie(); - log_message('debug', "CSRF token verified "); + log_message('debug', "CSRF token verified"); return $this; } @@ -172,7 +188,7 @@ class CI_Security { public function csrf_set_cookie() { $expire = time() + $this->_csrf_expire; - $secure_cookie = (config_item('cookie_secure') === TRUE) ? 1 : 0; + $secure_cookie = (bool) config_item('cookie_secure'); if ($secure_cookie) { @@ -369,16 +385,11 @@ class CI_Security { foreach ($words as $word) { - $temp = ''; - - for ($i = 0, $wordlen = strlen($word); $i < $wordlen; $i++) - { - $temp .= substr($word, $i, 1)."\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" - $str = preg_replace_callback('#('.substr($temp, 0, -3).')(\W)#is', array($this, '_compact_exploded_words'), $str); + $str = preg_replace_callback('#('.substr($word, 0, -3).')(\W)#is', array($this, '_compact_exploded_words'), $str); } /* @@ -457,7 +468,7 @@ class CI_Security { if ($is_image === TRUE) { - return ($str == $converted_string) ? TRUE: FALSE; + return ($str === $converted_string) ? TRUE : FALSE; } log_message('debug', "XSS Filtering completed"); @@ -497,48 +508,30 @@ class CI_Security { * * This function is a replacement for html_entity_decode() * - * In some versions of PHP the native function does not work - * when UTF-8 is the specified character set, so this gives us - * a work-around. More info here: - * http://bugs.php.net/bug.php?id=25670 - * - * NOTE: html_entity_decode() has a bug in some PHP versions when UTF-8 is the - * character set, and the PHP developers said they were not back porting the - * fix to versions other than PHP 5.x. - * * @param string * @param string * @return string */ - public function entity_decode($str, $charset='UTF-8') + public function entity_decode($str, $charset = NULL) { - if (stristr($str, '&') === FALSE) return $str; - - // The reason we are not using html_entity_decode() by itself is because - // while it is not technically correct to leave out the semicolon - // at the end of an entity most browsers will still interpret the entity - // correctly. html_entity_decode() does not convert entities without - // semicolons, so we are left with our own little solution here. Bummer. - - if (function_exists('html_entity_decode') && - (strtolower($charset) != 'utf-8')) + if (strpos($str, '&') === FALSE) { - $str = html_entity_decode($str, ENT_COMPAT, $charset); - $str = preg_replace('~&#x(0*[0-9a-f]{2,5})~ei', 'chr(hexdec("\\1"))', $str); - return preg_replace('~&#([0-9]{2,4})~e', 'chr(\\1)', $str); + return $str; } - // Numeric Entities - $str = preg_replace('~&#x(0*[0-9a-f]{2,5});{0,1}~ei', 'chr(hexdec("\\1"))', $str); - $str = preg_replace('~&#([0-9]{2,4});{0,1}~e', 'chr(\\1)', $str); - - // Literal Entities - Slightly slow so we do another check - if (stristr($str, '&') === FALSE) + if (empty($charset)) { - $str = strtr($str, array_flip(get_html_translation_table(HTML_ENTITIES))); + $charset = config_item('charset'); } - return $str; + // The reason we are not using html_entity_decode() by itself is because + // while it is not technically correct to leave out the semicolon + // at the end of an entity most browsers will still interpret the entity + // correctly. html_entity_decode() does not convert entities without + // semicolons, so we are left with our own little solution here. Bummer. + $str = html_entity_decode($str, ENT_COMPAT, $charset); + $str = preg_replace('~&#x(0*[0-9a-f]{2,5})~ei', 'chr(hexdec("\\1"))', $str); + return preg_replace('~&#([0-9]{2,4})~e', 'chr(\\1)', $str); } // -------------------------------------------------------------------- @@ -862,14 +855,14 @@ class CI_Security { return $this->_csrf_hash = $_COOKIE[$this->_csrf_cookie_name]; } - return $this->_csrf_hash = md5(uniqid(rand(), TRUE)); + $this->_csrf_hash = md5(uniqid(rand(), TRUE)); + $this->csrf_set_cookie(); } return $this->_csrf_hash; } } -// END Security Class /* End of file Security.php */ -/* Location: ./system/libraries/Security.php */ +/* Location: ./system/core/Security.php */ diff --git a/system/core/URI.php b/system/core/URI.php index a3ae20cc3..8946bc76b 100755 --- a/system/core/URI.php +++ b/system/core/URI.php @@ -175,7 +175,7 @@ class CI_URI { * @access private * @return string */ - private function _detect_uri() + protected function _detect_uri() { if ( ! isset($_SERVER['REQUEST_URI']) OR ! isset($_SERVER['SCRIPT_NAME'])) { @@ -232,7 +232,7 @@ class CI_URI { * @access private * @return string */ - private function _parse_cli_args() + protected function _parse_cli_args() { $args = array_slice($_SERVER['argv'], 1); |