Auth_Container_Multiple -- Authenticate against multiple Auth_Containers
Multiple
This container provides a facility to attempt to authenticate against
multiple Auth_Containers in order.
If a container's getAuthData() returns true
Auth_Container_Multiple will return true.
When a container's getAuthData() returns false
Auth_Container_Multiple will continue on through
the list of available containers until a successful login is found
or the list of containers is expired.
On receipt of an error from getAuthData()
Auth_Container_Multiple will abort checking
further containers and return the error.
The storage-specific argument for the
Auth constructor()
is an array of container configurations. Each container configuration
has the following options:
Таблица 29-1. Available Options
Option | Data Type | Default value | Description |
---|
"type"
|
string
|
""
|
The type of container to instanciate. This is the same value as
used in the first parameter of the
Auth constructor()
.
|
"options"
|
array
|
array()
|
This is the standard array of options required for the container.
|
Пример 29-1. Example usage of Auth_Container_Multiple require_once "Auth.php";
require_once 'Log.php';
require_once 'Log/observer.php';
// Callback function to display login form
function loginFunction($username = null, $status = null, &$auth = null)
{
/*
* Change the HTML output so that it fits to your
* application.
*/
echo "<form method=\"post\" action=\"".$_SERVER['PHP_SELF']."\">";
echo "Username: <input type=\"text\" name=\"username\"><br/>";
echo "Password: <input type=\"password\" name=\"password\"><br/>";
echo "<input type=\"submit\">";
echo "</form>";
}
class Auth_Log_Observer extends Log_observer {
var $messages = array();
function notify($event) {
$this->messages[] = $event;
}
}
$options = array(
'enableLogging' => true,
array(
'type' => 'Array',
'options' => array(
'cryptType' => 'md5',
'users' => array(
'guest' => md5('password'),
),
),
),
array(
'type' => 'Array',
'options' => array(
'cryptType' => 'md5',
'users' => array(
'admin' => md5('password'),
),
),
),
);
$a = new Auth("Multiple", $options, "loginFunction");
$infoObserver = new Auth_Log_Observer(PEAR_LOG_INFO);
$a->attachLogObserver($infoObserver);
$debugObserver = new Auth_Log_Observer(PEAR_LOG_DEBUG);
$a->attachLogObserver($debugObserver);
$a->start();
if ($a->checkAuth()) {
/*
* The output of your site goes here.
*/
print "Authentication Successful.<br/>";
}
print '<h3>Logging Output:</h3>'
.'<b>PEAR_LOG_INFO level messages:</b><br/>';
foreach ($infoObserver->messages as $event) {
print $event['priority'].': '.$event['message'].'<br/>';
}
print '<br/>'
.'<b>PEAR_LOG_DEBUG level messages:</b><br/>';
foreach ($debugObserver->messages as $event) {
print $event['priority'].': '.$event['message'].'<br/>';
}
print '<br/>'; |
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This container has only been available since version 1.5.0.
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