forked from Public/pics
		
	Session: centralise how session tokens are handled
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				@ -11,7 +11,7 @@ class Logout extends HTMLController
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	public function __construct()
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						public function __construct()
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	{
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						{
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		// Clear the entire sesssion.
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							// Clear the entire sesssion.
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		$_SESSION = [];
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							Session::clear();
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		// Back to the frontpage you go.
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							// Back to the frontpage you go.
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		header('Location: ' . BASEURL);
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							header('Location: ' . BASEURL);
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@ -3,22 +3,52 @@
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 * Session.php
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					 * Session.php
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 * Contains the key class Session.
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					 * Contains the key class Session.
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 *
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					 *
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 * Kabuki CMS (C) 2013-2015, Aaron van Geffen
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					 * Kabuki CMS (C) 2013-2023, Aaron van Geffen
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 *****************************************************************************/
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					 *****************************************************************************/
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class Session
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					class Session
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{
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					{
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						public static function clear()
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						{
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							$_SESSION = [];
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						}
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	public static function start()
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						public static function start()
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	{
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						{
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		session_start();
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							session_start();
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							if (!isset($_SESSION['session_token_key'], $_SESSION['session_token']))
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								self::generateSessionToken();
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		return true;
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							return true;
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	}
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						}
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						public static function generateSessionToken()
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						{
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							$_SESSION['session_token'] = sha1(session_id() . mt_rand());
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							$_SESSION['session_token_key'] = substr(preg_replace('~^\d+~', '', sha1(mt_rand() . session_id() . mt_rand())), 0, rand(7, 12));
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							return true;
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						}
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						public static function getSessionToken()
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						{
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							if (empty($_SESSION['session_token']))
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								trigger_error('Call to getSessionToken without a session token being set!', E_USER_ERROR);
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							return $_SESSION['session_token'];
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						}
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						public static function getSessionTokenKey()
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						{
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							if (empty($_SESSION['session_token_key']))
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								trigger_error('Call to getSessionTokenKey without a session token key being set!', E_USER_ERROR);
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							return $_SESSION['session_token_key'];
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						}
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	public static function resetSessionToken()
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						public static function resetSessionToken()
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	{
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						{
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		$_SESSION['session_token'] = sha1(session_id() . mt_rand());
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							// Old interface; now always true.
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		$_SESSION['session_token_key'] = substr(preg_replace('~^\d+~', '', sha1(mt_rand() . session_id() . mt_rand())), 0, rand(7, 12));
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		return true;
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							return true;
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	}
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						}
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@ -45,23 +75,7 @@ class Session
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				throw new UserFacingException('Invalid referring URL. Please reload the page and try again.');
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									throw new UserFacingException('Invalid referring URL. Please reload the page and try again.');
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		}
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							}
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		// All looks good from here! But you can only use this token once, so...
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							// All looks good from here!
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		return self::resetSessionToken();
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							return true;
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	}
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	public static function getSessionToken()
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	{
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		if (empty($_SESSION['session_token']))
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			trigger_error('Call to getSessionToken without a session token being set!', E_USER_ERROR);
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		return $_SESSION['session_token'];
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	}
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	public static function getSessionTokenKey()
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	{
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		if (empty($_SESSION['session_token_key']))
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			trigger_error('Call to getSessionTokenKey without a session token key being set!', E_USER_ERROR);
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		return $_SESSION['session_token_key'];
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	}
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						}
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}
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					}
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