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git.immae.eu Git - github/shaarli/Shaarli.git/blob - application/SessionManager.php
5 * Manages the server-side session
9 protected $session = [];
14 * @param array $session The $_SESSION array (reference)
15 * @param ConfigManager $conf ConfigManager instance
17 public function __construct(& $session, $conf)
19 $this->session
= &$session;
24 * Generates a session token
26 * @return string token
28 public function generateToken()
30 $token = sha1(uniqid('', true) .'_'. mt_rand() . $this->conf
->get('credentials.salt'));
31 $this->session
['tokens'][$token] = 1;
36 * Checks the validity of a session token, and destroys it afterwards
38 * @param string $token The token to check
40 * @return bool true if the token is valid, else false
42 public function checkToken($token)
44 if (! isset($this->session
['tokens'][$token])) {
45 // the token is wrong, or has already been used
49 // destroy the token to prevent future use
50 unset($this->session
['tokens'][$token]);
55 * Validate session ID to prevent Full Path Disclosure.
58 * The session ID's format depends on the hash algorithm set in PHP settings
60 * @param string $sessionId Session ID
62 * @return true if valid, false otherwise.
64 * @see http://php.net/manual/en/function.hash-algos.php
65 * @see http://php.net/manual/en/session.configuration.php
67 public static function checkId($sessionId)
69 if (empty($sessionId)) {
77 if (!preg_match('/^[a-zA-Z0-9,-]{2,128}$/', $sessionId)) {