Auth/OpenID/Nonce.php-Dateireferenz

gehe zum Quellcode dieser Datei

Namensbereiche
namespace	OpenID
Aufzählungen
enum	Auth_OpenID_Nonce_CHRS
enum	Auth_OpenID_Nonce_REGEX
enum	Auth_OpenID_Nonce_TIME_FMT
Funktionen
	Auth_OpenID_splitNonce ($nonce_string)
	Auth_OpenID_checkTimestamp ($nonce_string, $allowed_skew=null, $now=null)
	Auth_OpenID_mkNonce ($when=null)
Variablen
global	$Auth_OpenID_SKEW = 60 * 60 * 5

---

Dokumentation der Aufzählungstypen

enum Auth_OpenID_Nonce_CHRS

Need CryptUtil to generate random strings. This is the characters that the nonces are made from.

Definiert in Zeile 17 der Datei Nonce.php.

enum Auth_OpenID_Nonce_REGEX

Definiert in Zeile 26 der Datei Nonce.php.

enum Auth_OpenID_Nonce_TIME_FMT

Definiert in Zeile 28 der Datei Nonce.php.

---

Dokumentation der Funktionen

Auth_OpenID_checkTimestamp	(	$	nonce_string,
		$	allowed_skew = null,
		$	now = null
	)

Definiert in Zeile 57 der Datei Nonce.php.

{
    // Is the timestamp that is part of the specified nonce string
    // within the allowed clock-skew of the current time?
    global $Auth_OpenID_SKEW;

    if ($allowed_skew === null) {
        $allowed_skew = $Auth_OpenID_SKEW;
    }

    $parts = Auth_OpenID_splitNonce($nonce_string);
    if ($parts == null) {
        return false;
    }

    if ($now === null) {
        $now = time();
    }

    $stamp = $parts[0];

    // Time after which we should not use the nonce
    $past = $now - $allowed_skew;

    // Time that is too far in the future for us to allow
    $future = $now + $allowed_skew;

    // the stamp is not too far in the future and is not too far
    // in the past

Auth_OpenID_mkNonce

(

$

when = null

)

Definiert in Zeile 91 der Datei Nonce.php.

{
    // Generate a nonce with the current timestamp
    $salt = Auth_OpenID_CryptUtil::randomString(
        6, Auth_OpenID_Nonce_CHRS);
    if ($when === null) {
        // It's safe to call time() with no arguments; it returns a
        // GMT unix timestamp on PHP 4 and PHP 5.  gmmktime() with no
        // args returns a local unix timestamp on PHP 4, so don't use
        // that.
        $when = time();
    }
    $time_str = gmstrftime(Auth_OpenID_Nonce_TIME_FMT, $when);

Auth_OpenID_splitNonce

(

$

nonce_string

)

Definiert in Zeile 30 der Datei Nonce.php.

                   :%M:%SZ');

function Auth_OpenID_splitNonce($nonce_string)
{
    // Extract a timestamp from the given nonce string
    $result = preg_match(Auth_OpenID_Nonce_REGEX, $nonce_string, $matches);
    if ($result != 1 || count($matches) != 8) {
        return null;
    }

    list($unused,
         $tm_year,
         $tm_mon,
         $tm_mday,
         $tm_hour,
         $tm_min,
         $tm_sec,
         $uniquifier) = $matches;

    $timestamp =
        @gmmktime($tm_hour, $tm_min, $tm_sec, $tm_mon, $tm_mday, $tm_year);

    if ($timestamp === false || $timestamp < 0) {
        return null;
    }

---

Variablen-Dokumentation

$Auth_OpenID_SKEW = 60 * 60 * 5

Definiert in Zeile 23 der Datei Nonce.php.