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-rw-r--r--system/libraries/Session/Session.php53
-rw-r--r--system/libraries/Session/drivers/Session_cookie.php122
2 files changed, 54 insertions, 121 deletions
diff --git a/system/libraries/Session/Session.php b/system/libraries/Session/Session.php
index c7f6f828c..ac97b944c 100644
--- a/system/libraries/Session/Session.php
+++ b/system/libraries/Session/Session.php
@@ -60,11 +60,18 @@ class CI_Session extends CI_Driver_Library {
public $params = array();
/**
+ * Valid drivers list
+ *
+ * @var array
+ */
+ public $valid_drivers = array('native', 'cookie');
+
+ /**
* Current driver in use
*
* @var string
*/
- protected $current = NULL;
+ public $current = NULL;
/**
* User data
@@ -95,46 +102,36 @@ class CI_Session extends CI_Driver_Library {
*/
public function __construct(array $params = array())
{
- $CI =& get_instance();
+ $_config =& get_instance()->config;
// No sessions under CLI
- if ($CI->input->is_cli_request())
+ if (is_cli())
{
return;
}
log_message('debug', 'CI_Session Class Initialized');
- // Get valid drivers list
- $this->valid_drivers = array(
- 'native',
- 'cookie'
- );
- $key = 'sess_valid_drivers';
- $drivers = isset($params[$key]) ? $params[$key] : $CI->config->item($key);
- if ($drivers)
+ // Add possible extra entries to our valid drivers list
+ $drivers = isset($params['sess_valid_drivers']) ? $params['sess_valid_drivers'] : $_config->item('sess_valid_drivers');
+ if ( ! empty($drivers))
{
- // Add driver names to valid list
- foreach ((array) $drivers as $driver)
- {
- if ( ! in_array(strtolower($driver), array_map('strtolower', $this->valid_drivers)))
- {
- $this->valid_drivers[] = $driver;
- }
- }
+ $drivers = array_map('strtolower', (array) $drivers);
+ $this->valid_drivers = array_merge($this->valid_drivers, array_diff($drivers, $this->valid_drivers));
}
// Get driver to load
- $key = 'sess_driver';
- $driver = isset($params[$key]) ? $params[$key] : $CI->config->item($key);
+ $driver = isset($params['sess_driver']) ? $params['sess_driver'] : $_config->item('sess_driver');
if ( ! $driver)
{
+ log_message('debug', "Session: No driver name is configured, defaulting to 'cookie'.");
$driver = 'cookie';
}
- if ( ! in_array(strtolower($driver), array_map('strtolower', $this->valid_drivers)))
+ if ( ! in_array($driver, $this->valid_drivers))
{
- $this->valid_drivers[] = $driver;
+ log_message('error', 'Session: Configured driver name is not valid, aborting.');
+ return;
}
// Save a copy of parameters in case drivers need access
@@ -291,7 +288,7 @@ class CI_Session extends CI_Driver_Library {
* @param string Item value or empty string
* @return void
*/
- public function set_userdata($newdata = array(), $newval = '')
+ public function set_userdata($newdata, $newval = '')
{
// Wrap params as array if singular
if (is_string($newdata))
@@ -320,7 +317,7 @@ class CI_Session extends CI_Driver_Library {
* @param mixed Item name or array of item names
* @return void
*/
- public function unset_userdata($newdata = array())
+ public function unset_userdata($newdata)
{
// Wrap single name as array
if (is_string($newdata))
@@ -363,7 +360,7 @@ class CI_Session extends CI_Driver_Library {
* @param string Item value or empty string
* @return void
*/
- public function set_flashdata($newdata = array(), $newval = '')
+ public function set_flashdata($newdata, $newval = '')
{
// Wrap item as array if singular
if (is_string($newdata))
@@ -437,7 +434,7 @@ class CI_Session extends CI_Driver_Library {
* @param int Item lifetime in seconds or 0 for default
* @return void
*/
- public function set_tempdata($newdata = array(), $newval = '', $expire = 0)
+ public function set_tempdata($newdata, $newval = '', $expire = 0)
{
// Set expiration time
$expire = time() + ($expire ? $expire : self::TEMP_EXP_DEF);
@@ -478,7 +475,7 @@ class CI_Session extends CI_Driver_Library {
* @param mixed Item name or array of item names
* @return void
*/
- public function unset_tempdata($newdata = array())
+ public function unset_tempdata($newdata)
{
// Get expirations list
$expirations = $this->userdata(self::EXPIRATION_KEY);
diff --git a/system/libraries/Session/drivers/Session_cookie.php b/system/libraries/Session/drivers/Session_cookie.php
index d3d22d03a..971dfeabe 100644
--- a/system/libraries/Session/drivers/Session_cookie.php
+++ b/system/libraries/Session/drivers/Session_cookie.php
@@ -165,6 +165,8 @@ class CI_Session_cookie extends CI_Session_driver {
*/
public $now;
+ // ------------------------------------------------------------------------
+
/**
* Default userdata keys
*
@@ -185,6 +187,15 @@ class CI_Session_cookie extends CI_Session_driver {
protected $data_dirty = FALSE;
/**
+ * Standardize newlines flag
+ *
+ * @var bool
+ */
+ protected $_standardize_newlines;
+
+ // ------------------------------------------------------------------------
+
+ /**
* Initialize session driver object
*
* @return void
@@ -209,9 +220,11 @@ class CI_Session_cookie extends CI_Session_driver {
'sess_time_to_update',
'time_reference',
'cookie_prefix',
- 'encryption_key'
+ 'encryption_key',
);
+ $this->_standardize_newlines = (bool) config_item('standardize_newlines');
+
foreach ($prefs as $key)
{
$this->$key = isset($this->_parent->params[$key])
@@ -397,7 +410,7 @@ class CI_Session_cookie extends CI_Session_driver {
}
// Unserialize the session array
- $session = $this->_unserialize($session);
+ $session = @unserialize($session);
// Is the session data we unserialized an array with the correct format?
if ( ! is_array($session) OR ! isset($session['session_id'], $session['ip_address'], $session['user_agent'], $session['last_activity']))
@@ -472,7 +485,7 @@ class CI_Session_cookie extends CI_Session_driver {
$row = $query->row();
if ( ! empty($row->user_data))
{
- $custom_data = $this->_unserialize($row->user_data);
+ $custom_data = unserialize(trim($row->user_data));
if (is_array($custom_data))
{
@@ -608,7 +621,7 @@ class CI_Session_cookie extends CI_Session_driver {
if ( ! empty($userdata))
{
// Serialize the custom data array so we can store it
- $set['user_data'] = $this->_serialize($userdata);
+ $set['user_data'] = serialize($userdata);
}
// Reset query builder values.
@@ -695,8 +708,18 @@ class CI_Session_cookie extends CI_Session_driver {
? array_intersect_key($this->userdata, $this->defaults)
: $this->userdata;
+ // The Input class will do this and since we use HMAC verification,
+ // unless we standardize here as well, the hash won't match.
+ if ($this->_standardize_newlines)
+ {
+ foreach (array_keys($this->userdata) as $key)
+ {
+ $this->userdata[$key] = preg_replace('/(?:\r\n|[\r\n])/', PHP_EOL, $this->userdata[$key]);
+ }
+ }
+
// Serialize the userdata for the cookie
- $cookie_data = $this->_serialize($cookie_data);
+ $cookie_data = serialize($cookie_data);
if ($this->sess_encrypt_cookie === TRUE)
{
@@ -737,93 +760,6 @@ class CI_Session_cookie extends CI_Session_driver {
// ------------------------------------------------------------------------
/**
- * Serialize an array
- *
- * This function first converts any slashes found in the array to a temporary
- * marker, so when it gets unserialized the slashes will be preserved
- *
- * @param mixed Data to serialize
- * @return string Serialized data
- */
- protected function _serialize($data)
- {
- if (is_array($data))
- {
- array_walk_recursive($data, array(&$this, '_escape_slashes'));
- }
- elseif (is_string($data))
- {
- $data = str_replace('\\', '{{slash}}', $data);
- }
-
- return serialize($data);
- }
-
- // ------------------------------------------------------------------------
-
- /**
- * Escape slashes
- *
- * This function converts any slashes found into a temporary marker
- *
- * @param string Value
- * @param string Key
- * @return void
- */
- protected function _escape_slashes(&$val, $key)
- {
- if (is_string($val))
- {
- $val = str_replace('\\', '{{slash}}', $val);
- }
- }
-
- // ------------------------------------------------------------------------
-
- /**
- * Unserialize
- *
- * This function unserializes a data string, then converts any
- * temporary slash markers back to actual slashes
- *
- * @param mixed Data to unserialize
- * @return mixed Unserialized data
- */
- protected function _unserialize($data)
- {
- $data = @unserialize(trim($data));
-
- if (is_array($data))
- {
- array_walk_recursive($data, array(&$this, '_unescape_slashes'));
- return $data;
- }
-
- return is_string($data) ? str_replace('{{slash}}', '\\', $data) : $data;
- }
-
- // ------------------------------------------------------------------------
-
- /**
- * Unescape slashes
- *
- * This function converts any slash markers back into actual slashes
- *
- * @param string Value
- * @param string Key
- * @return void
- */
- protected function _unescape_slashes(&$val, $key)
- {
- if (is_string($val))
- {
- $val = str_replace('{{slash}}', '\\', $val);
- }
- }
-
- // ------------------------------------------------------------------------
-
- /**
* Garbage collection
*
* This deletes expired session rows from database
@@ -841,7 +777,7 @@ class CI_Session_cookie extends CI_Session_driver {
$probability = ini_get('session.gc_probability');
$divisor = ini_get('session.gc_divisor');
- if ((mt_rand(0, $divisor) / $divisor) < $probability)
+ if (mt_rand(1, $divisor) <= $probability)
{
$expire = $this->now - $this->sess_expiration;
$this->CI->db->delete($this->sess_table_name, 'last_activity < '.$expire);
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-07-24 21:39:53 +0200