PHP Manual
Zookeeper
Specify application credentials

Zookeeper::addAuth

(PECL zookeeper >= 0.1.0)

Zookeeper::addAuth — Specify application credentials

Beschreibung

public Zookeeper::addAuth(string $scheme, string $cert, callable $completion_cb = null): bool

The application calls this function to specify its credentials for purposes of authentication. The server will use the security provider specified by the scheme parameter to authenticate the client connection. If the authentication request has failed: - the server connection is dropped. - the watcher is called with the ZOO_AUTH_FAILED_STATE value as the state parameter.

Parameter-Liste

scheme: The id of authentication scheme. Natively supported: "digest" password-based authentication
cert: Application credentials. The actual value depends on the scheme.
completion_cb: The routine to invoke when the request completes. One of the following result codes may be passed into the completion callback: - ZOK operation completed successfully - ZAUTHFAILED authentication failed

Rückgabewerte

Gibt bei Erfolg true zurück. Bei einem Fehler wird false zurückgegeben.

Fehler/Exceptions

This method emits PHP error/warning when parameters count or types are wrong or operation fails.

Achtung

Since version 0.3.0, this method emits ZookeeperException and it's derivatives.

Beispiele

Beispiel #1 Zookeeper::addAuth() example

Add auth before requesting node value.


<?php
$zookeeper = new Zookeeper('locahost:2181');
$path = '/path/to/node';
$value = 'nodevalue';
$zookeeper->set($path, $value);

$zookeeper->addAuth('digest', 'user0:passwd0');
$r = $zookeeper->get($path);
if ($r)
  echo $r;
else
  echo 'ERR';
?>