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deprecated the session payload class.

This commit is contained in:
Taylor Otwell 2011-11-01 23:22:04 -05:00
parent c4eb6c9416
commit a986b010b6
1 changed files with 0 additions and 258 deletions
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258
laravel/session/payload.php
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@ -1,258 +0,0 @@
<?php namespace Laravel\Session;
use Laravel\Str;
use Laravel\Config;
use Laravel\Cookie;
use Laravel\Session\Drivers\Driver;
use Laravel\Session\Drivers\Sweeper;
class Session {
/**
* The session array that is stored by the driver.
*
* @var array
*/
protected static $session;
/**
* Indicates if the session already exists in storage.
*
* @var bool
*/
protected static $exists = true;
/**
* Start the session handling for the current request.
*
* @param Driver $driver
* @return void
*/
public static function start(Driver $driver)
{
if ( ! is_null($id = Cookie::get(Config::$items['session']['cookie'])))
{
static::$session = $driver->load($id);
}
if (static::invalid())
{
static::$exists = false;
// A CSRF token is stored in every session. The token is used by the
// Form class and the "csrf" filter to protect the application from
// cross-site request forgery attacks. The token is simply a long,
// random string which should be posted with each request.
$token = Str::random(40);
static::$session = array('id' => Str::random(40), 'data' => compact('token'));
}
}
/**
* Deteremine if the session payload instance is valid.
*
* The session is considered valid if it exists and has not expired.
*
* @return bool
*/
protected static function invalid()
{
$lifetime = Config::$items['session']['lifetime'];
return is_null(static::$session) or (time() - static::$session['last_activity'] > ($lifetime * 60));
}
/**
* Determine if the session or flash data contains an item.
*
* @param string $key
* @return bool
*/
public static function has($key)
{
return ( ! is_null(static::get($key)));
}
/**
* Get an item from the session.
*
* The session flash data will also be checked for the requested item.
*
* <code>
* // Get an item from the session
* $name = Session::get('name');
*
* // Return a default value if the item doesn't exist
* $name = Session::get('name', 'Taylor');
* </code>
*
* @param string $key
* @param mixed $default
* @return mixed
*/
public static function get($key, $default = null)
{
foreach (array($key, ':old:'.$key, ':new:'.$key) as $possibility)
{
if (array_key_exists($possibility, static::$session['data']))
{
return static::$session['data'][$possibility];
}
}
return ($default instanceof Closure) ? call_user_func($default) : $default;
}
/**
* Write an item to the session.
*
* @param string $key
* @param mixed $value
* @return void
*/
public static function put($key, $value)
{
static::$session['data'][$key] = $value;
}
/**
* Write an item to the session flash data.
*
* Flash data only exists for the next request to the application.
*
* @param string $key
* @param mixed $value
* @return void
*/
public static function flash($key, $value)
{
static::put(':new:'.$key, $value);
}
/**
* Keep all of the session flash data from expiring at the end of the request.
*
* @return void
*/
public static function reflash()
{
static::keep(array_keys(static::$session['data']));
}
/**
* Keep a session flash item from expiring at the end of the request.
*
* @param string|array $key
* @return void
*/
public static function keep($keys)
{
foreach ((array) $keys as $key) static::flash($key, static::get($key));
}
/**
* Remove an item from the session data.
*
* @param string $key
* @return Driver
*/
public static function forget($key)
{
unset(static::$session['data'][$key]);
}
/**
* Remove all of the items from the session.
*
* @return void
*/
public static function flush()
{
static::$session['data'] = array();
}
/**
* Assign a new, random ID to the session.
*
* @return void
*/
public static function regenerate()
{
static::$session['id'] = Str::random(40);
static::$exists = false;
}
/**
* Store the session payload in storage.
*
* @param Driver $driver
* @return void
*/
public static function save(Driver $driver)
{
static::$session['last_activity'] = time();
static::age();
$config = Config::$items['session'];
// To keep the session persistence code clean, session drivers are
// responsible for the storage of the session array to the various
// available persistent storage mechanisms.
$driver->save(static::$session, $config, static::$exists);
static::cookie();
// Some session drivers implement the Sweeper interface, meaning that they
// must clean up expired sessions manually. If the driver is a sweeper, we
// need to determine if garbage collection should be run for the request.
// Since garbage collection can be expensive, the probability of it
// occuring is controlled by the "sweepage" configuration option.
if ($driver instanceof Sweeper and (mt_rand(1, $config['sweepage'][1]) <= $config['sweepage'][0]))
{
$driver->sweep(time() - ($config['lifetime'] * 60));
}
}
/**
* Age the session flash data.
*
* Session flash data is only available during the request in which it
* was flashed, and the request after that. To "age" the data, we will
* remove all of the :old: items and re-address the new items.
*
* @return void
*/
protected static function age()
{
foreach (static::$session['data'] as $key => $value)
{
if (strpos($key, ':old:') === 0) static::forget($key);
}
// Now that all of the "old" keys have been removed from the session data,
// we can re-address all of the newly flashed keys to have old addresses.
// The array_combine method uses the first array for keys, and the second
// array for values to construct a single array from both.
$keys = str_replace(':new:', ':old:', array_keys(static::$session['data']));
static::$session['data'] = array_combine($keys, array_values(static::$session['data']));
}
/**
* Send the session ID cookie to the browser.
*
* @return void
*/
protected static function cookie()
{
$config = Config::$items['session'];
$minutes = ( ! $config['expire_on_close']) ? $config['lifetime'] : 0;
Cookie::put($cookie, static::$session['id'], $minutes, $config['path'], $config['domain'], $config['secure']);
}
}