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Zookeeper::addAuth

Contents

(PECL zookeeper >= 0.1.0)

Zookeeper::addAuth — Specify application credentials

Description

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.

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Parameters

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

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Return Values

Returns TRUE on success or FALSE on failure.

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Errors/Exceptions

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

Caution

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

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Examples

Example #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';
?>

The above example will output:

nodevalue

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See Also

Find a PHP function

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Document created the 30/01/2003, last modified the 26/10/2018
Source of the printed document:https://www.gaudry.be/en/php-rf-zookeeper.addauth.html

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References

  1. View the html document Language of the document:fr Manuel PHP : http://php.net

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