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access Joomla from an external application

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EmanuelePe
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access Joomla from an external application

Post by EmanuelePe » Sun Oct 06, 2024 4:26 pm

How can I access Joomla from an external application? I followed what is written in the documentation
https://docs.joomla.org/J4.x:Creating_a ... for_Joomla
I send a post request with username and password and I receive the code 200 but it does not connect to the site. In short, if I check the administrator side the user is not connected. What am I doing wrong? Any help would be a gift.
Thanks in advance
Last edited by imanickam on Sun Oct 06, 2024 4:38 pm, edited 1 time in total.
Reason: Moved topic from General Questions/New to Joomla! 5.x to Joomla! 5.x Coding

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Per Yngve Berg
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Re: access Joomla from an external application

Post by Per Yngve Berg » Sun Oct 06, 2024 5:10 pm

I don't understand what you are trying to achieve. Have you written your own Authentication Plugin?

An Authentication Plugin let Joomla verify the credentials somewhere else than the Joomla Database.

Can you post your code?

EmanuelePe
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Re: access Joomla from an external application

Post by EmanuelePe » Sun Oct 06, 2024 5:35 pm

First of all, thank you for writing to me..
The code is as follows:

Code: Select all

<?php
/**
 * @package     Joomla.Login
 * @subpackage  Authentication.login
 *
 * @copyright   Copyright (C) 2005 - 2020 Open Source Matters, Inc. All rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

// Check to ensure this file is included in Joomla!
defined('_JEXEC') or die();

use Joomla\CMS\Authentication\Authentication;
use Joomla\CMS\Plugin\CMSPlugin;
use Joomla\CMS\User\User;
use Joomla\Event\SubscriberInterface;

/**
 * Example Authentication Plugin for the Joomla Docs.
 *
 * @since  1.0
 */
class PlgAuthenticationLogin extends CMSPlugin implements SubscriberInterface
{
	/**
	 * Database object
	 *
	 * @var    \Joomla\Database\DatabaseDriver
	 * @since  1.0
	 */
	protected $db;

	/**
	 * Returns an array of events this subscriber will listen to.
	 *
	 * @return  array
	 *
	 * @since   1.0
	 */
	public static function getSubscribedEvents(): array
	{
		return [
			'onUserAuthenticate' => 'onUserAuthenticate',
		];
	}

	/**
	 * Questo metodo dovrebbe gestire qualsiasi autenticazione e inviare un report al soggetto
	 * Questo esempio utilizza un'autenticazione semplice: controlla se la password è l'inverso
	 * del nome utente (e se l'utente esiste nel database).
	 *
	 * @access    public
	 * @param     array     $credentials    Array holding the user credentials ('username' and 'password')
	 * @param     array     $options        Array of extra options
	 * @param     object    $response       Authentication response object
	 *
	 * @return    boolean
	 *
	 * @since 1.0
	 */
	public function onUserAuthenticate( $credentials, $options, &$response )
	{
		/*
		 * Qui faresti tutto ciò di cui hai bisogno per una routine di autenticazione con le credenziali
		 * In questo esempio la variabile mista $return verrebbe impostata su false
		 * se la routine di autenticazione fallisce o un intero userid dell'utente autenticato
		 * se la routine passa
		 */
		$query = $this->db->getQuery(true)
			->select($this->db->quoteName('id'))
			->from($this->db->quoteName('#__users'))
			->where($this->db->quoteName('username') . ' = :username')
			->bind(':username', $credentials['username']);

		$this->db->setQuery($query);
		$result = $this->db->loadResult();

		if (!$result)
		{
			$response->status = Authentication::STATUS_FAILURE;
			$response->error_message = 'User does not exist';
		}

		/**
		 * Per l'autenticazione, il nome utente deve esistere nel database e la password deve essere uguale
		 * al contrario del nome utente (quindi l'utente joeblow avrebbe password wolbeoj)
		 
		* if($result && ($credentials['username'] == strrev( $credentials['password'] )))
		*/
		if($result && ($credentials['username']))
		{
			$email = User::getInstance($result); // Bring this in line with the rest of the system
			$response->email = $email->email;
			$response->status = Authentication::STATUS_SUCCESS;
		}
		else
		{
			$response->status = Authentication::STATUS_FAILURE;
			$response->error_message = 'Invalid username and password';
		}
	}

}
Last edited by Per Yngve Berg on Sun Oct 06, 2024 5:58 pm, edited 1 time in total.
Reason: Added Code Tags

EmanuelePe
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Re: access Joomla from an external application

Post by EmanuelePe » Tue Oct 08, 2024 2:16 pm

Per Yngve Berg wrote: Sun Oct 06, 2024 5:10 pm I don't understand what you are trying to achieve. Have you written your own Authentication Plugin?

An Authentication Plugin let Joomla verify the credentials somewhere else than the Joomla Database.

Can you post your code?
I write the code

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sakiss
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Re: access Joomla from an external application

Post by sakiss » Tue Oct 08, 2024 3:39 pm

I don't know what you want to do, but possibly the way to go is through the Joomla REST Api
https://docs.joomla.org/J4.x:Joomla_Core_APIs

At least that's the indicated way to communicate with Joomla from another app

EmanuelePe
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Re: access Joomla from an external application

Post by EmanuelePe » Thu Oct 10, 2024 12:56 pm

Thank you for your reply and I apologize for the late reply on my part but unfortunately I can only access the forum from the office and I was not present these days. However, what I want to do is simply connect a user via an external application. I do not want to use the API for a series of reasons that I will not list because it would be too long.

brendanhedges
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Re: access Joomla from an external application

Post by brendanhedges » Mon Oct 21, 2024 9:15 pm

EmanuelePe wrote: Thu Oct 10, 2024 12:56 pm what I want to do is simply connect a user via an external application. I do not want to use the API for a series of reasons that I will not list because it would be too long.
That makes no sense to me, you must have a "task" in mind for the user. Otherwise, what would be the point in just connecting the user?

EmanuelePe
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Re: access Joomla from an external application

Post by EmanuelePe » Fri Oct 25, 2024 3:03 pm

brendanhedges wrote: Mon Oct 21, 2024 9:15 pm
EmanuelePe wrote: Thu Oct 10, 2024 12:56 pm what I want to do is simply connect a user via an external application. I do not want to use the API for a series of reasons that I will not list because it would be too long.
That makes no sense to me, you must have a "task" in mind for the user. Otherwise, what would be the point in just connecting the user?
The user needs to connect and download a file. That's it.

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