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authorAndrey Andreev <narf@bofh.bg>2012-06-06 13:12:15 +0200
committerAndrey Andreev <narf@bofh.bg>2012-06-06 13:12:15 +0200
commit968690491f625ddf59a5136b55ae1b9a2cf98a9a (patch)
tree6bc3eff6e8ec3ecae925ac3ff5c9542888f160f4 /system/libraries/Session.php
parent58dc75471c25f33b059967ffb515eedc08e86a0b (diff)
parent6683c3c872952ae16d98c89ef474e5522897592a (diff)
Merge upstream branch and some changes for better readability
Diffstat (limited to 'system/libraries/Session.php')
-rw-r--r--system/libraries/Session.php76
1 files changed, 40 insertions, 36 deletions
diff --git a/system/libraries/Session.php b/system/libraries/Session.php
index 3fa446d84..7beedd96b 100644
--- a/system/libraries/Session.php
+++ b/system/libraries/Session.php
@@ -36,146 +36,146 @@
*/
class CI_Session {
- /**
+ /**
* Whether to encrypt the session cookie
*
* @var bool
*/
public $sess_encrypt_cookie = FALSE;
-
+
/**
* Whether to use to the database for session storage
*
* @var bool
*/
public $sess_use_database = FALSE;
-
+
/**
* Name of the database table in which to store sessions
*
* @var string
*/
public $sess_table_name = '';
-
+
/**
* Length of time (in seconds) for sessions to expire
*
* @var int
*/
public $sess_expiration = 7200;
-
+
/**
* Whether to kill session on close of browser window
*
* @var bool
*/
public $sess_expire_on_close = FALSE;
-
+
/**
* Whether to match session on ip address
*
* @var bool
*/
public $sess_match_ip = FALSE;
-
+
/**
* Whether to match session on user-agent
*
* @var bool
*/
public $sess_match_useragent = TRUE;
-
+
/**
* Name of session cookie
*
* @var string
*/
public $sess_cookie_name = 'ci_session';
-
+
/**
* Session cookie prefix
*
* @var string
*/
public $cookie_prefix = '';
-
+
/**
* Session cookie path
*
* @var string
*/
public $cookie_path = '';
-
+
/**
* Session cookie domain
*
* @var string
*/
public $cookie_domain = '';
-
+
/**
* Whether to set the cookie only on HTTPS connections
*
* @var bool
*/
public $cookie_secure = FALSE;
-
+
/**
* Whether cookie should be allowed only to be sent by the server
*
* @var bool
*/
public $cookie_httponly = FALSE;
-
+
/**
* Interval at which to update session
*
* @var int
*/
public $sess_time_to_update = 300;
-
+
/**
* Key with which to encrypt the session cookie
*
* @var string
*/
public $encryption_key = '';
-
+
/**
* String to indicate flash data cookies
*
* @var string
*/
public $flashdata_key = 'flash';
-
+
/**
* Function to use to get the current time
*
* @var string
*/
public $time_reference = 'time';
-
+
/**
* Probablity level of garbage collection of old sessions
*
* @var int
*/
public $gc_probability = 5;
-
+
/**
* Session data
*
* @var array
*/
public $userdata = array();
-
+
/**
* Reference to CodeIgniter instance
*
* @var object
*/
public $CI;
-
+
/**
* Current time
*
@@ -190,6 +190,7 @@ class CI_Session {
* whenever the class is instantiated.
*
* @param array
+ * @return void
*/
public function __construct($params = array())
{
@@ -205,7 +206,7 @@ class CI_Session {
$this->$key = (isset($params[$key])) ? $params[$key] : $this->CI->config->item($key);
}
- if ($this->encryption_key == '')
+ if ($this->encryption_key === '')
{
show_error('In order to use the Session class you are required to set an encryption key in your config file.');
}
@@ -214,13 +215,13 @@ class CI_Session {
$this->CI->load->helper('string');
// Do we need encryption? If so, load the encryption class
- if ($this->sess_encrypt_cookie == TRUE)
+ if ($this->sess_encrypt_cookie === TRUE)
{
$this->CI->load->library('encrypt');
}
// Are we using a database? If so, load it
- if ($this->sess_use_database === TRUE && $this->sess_table_name != '')
+ if ($this->sess_use_database === TRUE && $this->sess_table_name !== '')
{
$this->CI->load->database();
}
@@ -231,7 +232,7 @@ class CI_Session {
// Set the session length. If the session expiration is
// set to zero we'll set the expiration two years from now.
- if ($this->sess_expiration == 0)
+ if ($this->sess_expiration === 0)
{
$this->sess_expiration = (60*60*24*365*2);
}
@@ -275,14 +276,14 @@ class CI_Session {
$session = $this->CI->input->cookie($this->sess_cookie_name);
// No cookie? Goodbye cruel world!...
- if ($session === FALSE)
+ if ($session === NULL)
{
log_message('debug', 'A session cookie was not found.');
return FALSE;
}
// Decrypt the cookie data
- if ($this->sess_encrypt_cookie == TRUE)
+ if ($this->sess_encrypt_cookie === TRUE)
{
$session = $this->CI->encrypt->decode($session);
}
@@ -319,14 +320,14 @@ class CI_Session {
}
// Does the IP match?
- if ($this->sess_match_ip == TRUE && $session['ip_address'] !== $this->CI->input->ip_address())
+ if ($this->sess_match_ip === TRUE && $session['ip_address'] !== $this->CI->input->ip_address())
{
$this->sess_destroy();
return FALSE;
}
// Does the User Agent Match?
- if ($this->sess_match_useragent == TRUE && trim($session['user_agent']) !== trim(substr($this->CI->input->user_agent(), 0, 120)))
+ if ($this->sess_match_useragent === TRUE && trim($session['user_agent']) !== trim(substr($this->CI->input->user_agent(), 0, 120)))
{
$this->sess_destroy();
return FALSE;
@@ -337,12 +338,12 @@ class CI_Session {
{
$this->CI->db->where('session_id', $session['session_id']);
- if ($this->sess_match_ip == TRUE)
+ if ($this->sess_match_ip === TRUE)
{
$this->CI->db->where('ip_address', $session['ip_address']);
}
- if ($this->sess_match_useragent == TRUE)
+ if ($this->sess_match_useragent === TRUE)
{
$this->CI->db->where('user_agent', $session['user_agent']);
}
@@ -358,7 +359,7 @@ class CI_Session {
// Is there custom data? If so, add it to the main session array
$row = $query->row();
- if (isset($row->user_data) && $row->user_data != '')
+ if ( ! empty($row->user_data))
{
$custom_data = $this->_unserialize($row->user_data);
@@ -570,6 +571,9 @@ class CI_Session {
$this->cookie_domain,
0
);
+
+ // Kill session data
+ $this->userdata = array();
}
// --------------------------------------------------------------------
@@ -582,7 +586,7 @@ class CI_Session {
*/
public function userdata($item)
{
- return isset($this->userdata[$item]) ? $this->userdata[$item] : FALSE;
+ return isset($this->userdata[$item]) ? $this->userdata[$item] : NULL;
}
// --------------------------------------------------------------------
@@ -711,7 +715,7 @@ class CI_Session {
{
// 'old' flashdata gets removed. Here we mark all
// flashdata as 'new' to preserve it from _flashdata_sweep()
- // Note the function will return FALSE if the $key
+ // Note the function will return NULL if the $key
// provided cannot be found
$value = $this->userdata($this->flashdata_key.':old:'.$key);
@@ -805,7 +809,7 @@ class CI_Session {
// Serialize the userdata for the cookie
$cookie_data = $this->_serialize($cookie_data);
- if ($this->sess_encrypt_cookie == TRUE)
+ if ($this->sess_encrypt_cookie === TRUE)
{
$cookie_data = $this->CI->encrypt->encode($cookie_data);
}
@@ -925,7 +929,7 @@ class CI_Session {
*/
protected function _sess_gc()
{
- if ($this->sess_use_database != TRUE)
+ if ($this->sess_use_database !== TRUE)
{
return;
}