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tommaso
2025-06-17 11:53:18 +02:00
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51
plugins/authentication/cookie/cookie.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<extension type="plugin" group="authentication" method="upgrade">
<name>plg_authentication_cookie</name>
<author>Joomla! Project</author>
<creationDate>2013-07</creationDate>
<copyright>(C) 2013 Open Source Matters, Inc.</copyright>
<license>GNU General Public License version 2 or later; see LICENSE.txt</license>
<authorEmail>admin@joomla.org</authorEmail>
<authorUrl>www.joomla.org</authorUrl>
<version>3.0.0</version>
<description>PLG_AUTHENTICATION_COOKIE_XML_DESCRIPTION</description>
<namespace path="src">Joomla\Plugin\Authentication\Cookie</namespace>
<files>
<folder plugin="cookie">services</folder>
<folder>src</folder>
</files>
<languages>
<language tag="en-GB">language/en-GB/plg_authentication_cookie.ini</language>
<language tag="en-GB">language/en-GB/plg_authentication_cookie.sys.ini</language>
</languages>
<config>
<fields name="params">
<fieldset name="basic">
<field
name="cookie_lifetime"
type="number"
label="PLG_AUTHENTICATION_COOKIE_FIELD_COOKIE_LIFETIME_LABEL"
default="60"
filter="integer"
required="true"
/>
<field
name="key_length"
type="list"
label="PLG_AUTHENTICATION_COOKIE_FIELD_KEY_LENGTH_LABEL"
default="16"
filter="integer"
required="true"
validate="options"
>
<option value="8">8</option>
<option value="16">16</option>
<option value="32">32</option>
<option value="64">64</option>
</field>
</fieldset>
</fields>
</config>
</extension>

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plugins/authentication/cookie/services/provider.php Normal file
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<?php
/**
* @package Joomla.Plugin
* @subpackage Authentication.cookie
*
* @copyright (C) 2023 Open Source Matters, Inc. <https://www.joomla.org>
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
\defined('_JEXEC') or die;
use Joomla\CMS\Extension\PluginInterface;
use Joomla\CMS\Factory;
use Joomla\CMS\Plugin\PluginHelper;
use Joomla\CMS\User\UserFactoryInterface;
use Joomla\Database\DatabaseInterface;
use Joomla\DI\Container;
use Joomla\DI\ServiceProviderInterface;
use Joomla\Event\DispatcherInterface;
use Joomla\Plugin\Authentication\Cookie\Extension\Cookie;
return new class () implements ServiceProviderInterface {
/**
* Registers the service provider with a DI container.
*
* @param Container $container The DI container.
*
* @return void
*
* @since 4.3.0
*/
public function register(Container $container)
{
$container->set(
PluginInterface::class,
function (Container $container) {
$plugin = new Cookie(
$container->get(DispatcherInterface::class),
(array) PluginHelper::getPlugin('authentication', 'cookie')
);
$plugin->setApplication(Factory::getApplication());
$plugin->setDatabase($container->get(DatabaseInterface::class));
$plugin->setUserFactory($container->get(UserFactoryInterface::class));
return $plugin;
}
);
}
};

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plugins/authentication/cookie/src/Extension/Cookie.php Normal file
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<?php
/**
* @package Joomla.Plugin
* @subpackage Authentication.cookie
*
* @copyright (C) 2013 Open Source Matters, Inc. <https://www.joomla.org>
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
namespace Joomla\Plugin\Authentication\Cookie\Extension;
use Joomla\CMS\Authentication\Authentication;
use Joomla\CMS\Filter\InputFilter;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Log\Log;
use Joomla\CMS\Plugin\CMSPlugin;
use Joomla\CMS\User\UserFactoryAwareTrait;
use Joomla\CMS\User\UserHelper;
use Joomla\Database\DatabaseAwareTrait;
// phpcs:disable PSR1.Files.SideEffects
\defined('_JEXEC') or die;
// phpcs:enable PSR1.Files.SideEffects
/**
* Joomla Authentication plugin
*
* @since 3.2
* @note Code based on http://jaspan.com/improved_persistent_login_cookie_best_practice
* and http://fishbowl.pastiche.org/2004/01/19/persistent_login_cookie_best_practice/
*/
final class Cookie extends CMSPlugin
{
use DatabaseAwareTrait;
use UserFactoryAwareTrait;
/**
* Reports the privacy related capabilities for this plugin to site administrators.
*
* @return array
*
* @since 3.9.0
*/
public function onPrivacyCollectAdminCapabilities()
{
$this->loadLanguage();
return [
$this->getApplication()->getLanguage()->_('PLG_AUTHENTICATION_COOKIE') => [
$this->getApplication()->getLanguage()->_('PLG_AUTHENTICATION_COOKIE_PRIVACY_CAPABILITY_COOKIE'),
],
];
}
/**
* This method should handle any authentication and report back to the subject
*
* @param array $credentials Array holding the user credentials
* @param array $options Array of extra options
* @param object &$response Authentication response object
*
* @return boolean
*
* @since 3.2
*/
public function onUserAuthenticate($credentials, $options, &$response)
{
$app = $this->getApplication();
// No remember me for admin
if ($app->isClient('administrator')) {
return false;
}
// Get cookie
$cookieName = 'joomla_remember_me_' . UserHelper::getShortHashedUserAgent();
$cookieValue = $app->getInput()->cookie->get($cookieName);
// Try with old cookieName (pre 3.6.0) if not found
if (!$cookieValue) {
$cookieName = UserHelper::getShortHashedUserAgent();
$cookieValue = $app->getInput()->cookie->get($cookieName);
}
if (!$cookieValue) {
return false;
}
$cookieArray = explode('.', $cookieValue);
// Check for valid cookie value
if (\count($cookieArray) !== 2) {
// Destroy the cookie in the browser.
$app->getInput()->cookie->set($cookieName, '', 1, $app->get('cookie_path', '/'), $app->get('cookie_domain', ''));
Log::add('Invalid cookie detected.', Log::WARNING, 'error');
return false;
}
$response->type = 'Cookie';
// Filter series since we're going to use it in the query
$filter = new InputFilter();
$series = $filter->clean($cookieArray[1], 'ALNUM');
$now = time();
// Remove expired tokens
$db = $this->getDatabase();
$query = $db->getQuery(true)
->delete($db->quoteName('#__user_keys'))
->where($db->quoteName('time') . ' < :now')
->bind(':now', $now);
try {
$db->setQuery($query)->execute();
} catch (\RuntimeException $e) {
// We aren't concerned with errors from this query, carry on
}
// Find the matching record if it exists.
$query = $db->getQuery(true)
->select($db->quoteName(['user_id', 'token', 'series', 'time']))
->from($db->quoteName('#__user_keys'))
->where($db->quoteName('series') . ' = :series')
->where($db->quoteName('uastring') . ' = :uastring')
->order($db->quoteName('time') . ' DESC')
->bind(':series', $series)
->bind(':uastring', $cookieName);
try {
$results = $db->setQuery($query)->loadObjectList();
} catch (\RuntimeException $e) {
$response->status = Authentication::STATUS_FAILURE;
return false;
}
if (\count($results) !== 1) {
// Destroy the cookie in the browser.
$app->getInput()->cookie->set($cookieName, '', 1, $app->get('cookie_path', '/'), $app->get('cookie_domain', ''));
$response->status = Authentication::STATUS_FAILURE;
return false;
}
// We have a user with one cookie with a valid series and a corresponding record in the database.
if (!UserHelper::verifyPassword($cookieArray[0], $results[0]->token)) {
/*
* This is a real attack!
* Either the series was guessed correctly or a cookie was stolen and used twice (once by attacker and once by victim).
* Delete all tokens for this user!
*/
$query = $db->getQuery(true)
->delete($db->quoteName('#__user_keys'))
->where($db->quoteName('user_id') . ' = :userid')
->bind(':userid', $results[0]->user_id);
try {
$db->setQuery($query)->execute();
} catch (\RuntimeException $e) {
// Log an alert for the site admin
Log::add(
sprintf('Failed to delete cookie token for user %s with the following error: %s', $results[0]->user_id, $e->getMessage()),
Log::WARNING,
'security'
);
}
// Destroy the cookie in the browser.
$app->getInput()->cookie->set($cookieName, '', 1, $app->get('cookie_path', '/'), $app->get('cookie_domain', ''));
// Issue warning by email to user and/or admin?
Log::add(Text::sprintf('PLG_AUTHENTICATION_COOKIE_ERROR_LOG_LOGIN_FAILED', $results[0]->user_id), Log::WARNING, 'security');
$response->status = Authentication::STATUS_FAILURE;
return false;
}
// Make sure there really is a user with this name and get the data for the session.
$query = $db->getQuery(true)
->select($db->quoteName(['id', 'username', 'password']))
->from($db->quoteName('#__users'))
->where($db->quoteName('username') . ' = :userid')
->where($db->quoteName('requireReset') . ' = 0')
->bind(':userid', $results[0]->user_id);
try {
$result = $db->setQuery($query)->loadObject();
} catch (\RuntimeException $e) {
$response->status = Authentication::STATUS_FAILURE;
return false;
}
if ($result) {
// Bring this in line with the rest of the system
$user = $this->getUserFactory()->loadUserById($result->id);
// Set response data.
$response->username = $result->username;
$response->email = $user->email;
$response->fullname = $user->name;
$response->password = $result->password;
$response->language = $user->getParam('language');
// Set response status.
$response->status = Authentication::STATUS_SUCCESS;
$response->error_message = '';
} else {
$response->status = Authentication::STATUS_FAILURE;
$response->error_message = $app->getLanguage()->_('JGLOBAL_AUTH_NO_USER');
}
}
/**
* We set the authentication cookie only after login is successfully finished.
* We set a new cookie either for a user with no cookies or one
* where the user used a cookie to authenticate.
*
* @param array $options Array holding options
*
* @return boolean True on success
*
* @since 3.2
*/
public function onUserAfterLogin($options)
{
$app = $this->getApplication();
// No remember me for admin
if ($app->isClient('administrator')) {
return false;
}
$db = $this->getDatabase();
if (isset($options['responseType']) && $options['responseType'] === 'Cookie') {
// Logged in using a cookie
$cookieName = 'joomla_remember_me_' . UserHelper::getShortHashedUserAgent();
// We need the old data to get the existing series
$cookieValue = $app->getInput()->cookie->get($cookieName);
// Try with old cookieName (pre 3.6.0) if not found
if (!$cookieValue) {
$oldCookieName = UserHelper::getShortHashedUserAgent();
$cookieValue = $app->getInput()->cookie->get($oldCookieName);
// Destroy the old cookie in the browser
$app->getInput()->cookie->set($oldCookieName, '', 1, $app->get('cookie_path', '/'), $app->get('cookie_domain', ''));
}
$cookieArray = explode('.', $cookieValue);
// Filter series since we're going to use it in the query
$filter = new InputFilter();
$series = $filter->clean($cookieArray[1], 'ALNUM');
} elseif (!empty($options['remember'])) {
// Remember checkbox is set
$cookieName = 'joomla_remember_me_' . UserHelper::getShortHashedUserAgent();
// Create a unique series which will be used over the lifespan of the cookie
$unique = false;
$errorCount = 0;
do {
$series = UserHelper::genRandomPassword(20);
$query = $db->getQuery(true)
->select($db->quoteName('series'))
->from($db->quoteName('#__user_keys'))
->where($db->quoteName('series') . ' = :series')
->bind(':series', $series);
try {
$results = $db->setQuery($query)->loadResult();
if ($results === null) {
$unique = true;
}
} catch (\RuntimeException $e) {
$errorCount++;
// We'll let this query fail up to 5 times before giving up, there's probably a bigger issue at this point
if ($errorCount === 5) {
return false;
}
}
} while ($unique === false);
} else {
return false;
}
// Get the parameter values
$lifetime = $this->params->get('cookie_lifetime', 60) * 24 * 60 * 60;
$length = $this->params->get('key_length', 16);
// Generate new cookie
$token = UserHelper::genRandomPassword($length);
$cookieValue = $token . '.' . $series;
// Overwrite existing cookie with new value
$app->getInput()->cookie->set(
$cookieName,
$cookieValue,
time() + $lifetime,
$app->get('cookie_path', '/'),
$app->get('cookie_domain', ''),
$app->isHttpsForced(),
true
);
$query = $db->getQuery(true);
if (!empty($options['remember'])) {
$future = (time() + $lifetime);
// Create new record
$query
->insert($db->quoteName('#__user_keys'))
->set($db->quoteName('user_id') . ' = :userid')
->set($db->quoteName('series') . ' = :series')
->set($db->quoteName('uastring') . ' = :uastring')
->set($db->quoteName('time') . ' = :time')
->bind(':userid', $options['user']->username)
->bind(':series', $series)
->bind(':uastring', $cookieName)
->bind(':time', $future);
} else {
// Update existing record with new token
$query
->update($db->quoteName('#__user_keys'))
->where($db->quoteName('user_id') . ' = :userid')
->where($db->quoteName('series') . ' = :series')
->where($db->quoteName('uastring') . ' = :uastring')
->bind(':userid', $options['user']->username)
->bind(':series', $series)
->bind(':uastring', $cookieName);
}
$hashedToken = UserHelper::hashPassword($token);
$query->set($db->quoteName('token') . ' = :token')
->bind(':token', $hashedToken);
try {
$db->setQuery($query)->execute();
} catch (\RuntimeException $e) {
return false;
}
return true;
}
/**
* This is where we delete any authentication cookie when a user logs out
*
* @param array $options Array holding options (length, timeToExpiration)
*
* @return boolean True on success
*
* @since 3.2
*/
public function onUserAfterLogout($options)
{
$app = $this->getApplication();
// No remember me for admin
if ($app->isClient('administrator')) {
return false;
}
$cookieName = 'joomla_remember_me_' . UserHelper::getShortHashedUserAgent();
$cookieValue = $app->getInput()->cookie->get($cookieName);
// There are no cookies to delete.
if (!$cookieValue) {
return true;
}
$cookieArray = explode('.', $cookieValue);
// Filter series since we're going to use it in the query
$filter = new InputFilter();
$series = $filter->clean($cookieArray[1], 'ALNUM');
// Remove the record from the database
$db = $this->getDatabase();
$query = $db->getQuery(true)
->delete($db->quoteName('#__user_keys'))
->where($db->quoteName('series') . ' = :series')
->bind(':series', $series);
try {
$db->setQuery($query)->execute();
} catch (\RuntimeException $e) {
// We aren't concerned with errors from this query, carry on
}
// Destroy the cookie
$app->getInput()->cookie->set($cookieName, '', 1, $app->get('cookie_path', '/'), $app->get('cookie_domain', ''));
return true;
}
}