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API15

JAuthentication/authenticate

From Joomla! Documentation

< API15:JAuthentication
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Contents

Description

Finds out if a set of login credentials are valid by asking all obvserving objects to run their respective authentication routines.

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Syntax

authenticate($credentials, $options)
Parameter Name Default Value Description
$credentials Array holding the user credentials
$options

Returns

mixed Integer userid for valid user if credentials are valid or boolean false if they are not

Defined in

libraries/joomla/user/authentication.php

Importing

jimport( 'joomla.user.authentication' );

Source Body

function authenticate($credentials, $options)
{
        // Initialize variables
        $auth = false;
 
        // Get plugins
        $plugins = JPluginHelper::getPlugin('authentication');
 
        // Create authencication response
        $response = new JAuthenticationResponse();
 
        /*
         * Loop through the plugins and check of the creditials can be used to authenticate
         * the user
         *
         * Any errors raised in the plugin should be returned via the JAuthenticationResponse
         * and handled appropriately.
         */
        foreach ($plugins as $plugin)
        {
                $className = 'plg'.$plugin->type.$plugin->name;
                if (class_exists( $className )) {
                        $plugin = new $className($this, (array)$plugin);
                }
 
                // Try to authenticate
                $plugin->onAuthenticate($credentials, $options, $response);
 
                // If authentication is successfull break out of the loop
                if($response->status === JAUTHENTICATE_STATUS_SUCCESS)
                {
                        if (empty( $response->type )) {
                                $response->type = isset( $plugin->_name ) ? $plugin->_name : $plugin->name;
                        }
                        if (empty( $response->username )) {
                                $response->username = $credentials['username'];
                        }
 
                        if (empty( $response->fullname )) {
                                $response->fullname = $credentials['username'];
                        }
 
                        if (empty( $response->password )) {
                                $response->password = $credentials['password'];
                        }
 
                        break;
                }
        }
        return $response;
}

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Examples

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