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68 lines
1.8 KiB
PHP
68 lines
1.8 KiB
PHP
<?php
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/**
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* HTTP Basic Authentication
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*
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* Make use of an existing HTTP authentication and perform login with the existing user credentials
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*
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* Configuration:
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* // redirect the client to this URL after logout. This page is then responsible to clear HTTP auth
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* $rcmail_config['logout_url'] = 'http://server.tld/logout.html';
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*
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* See logout.html (in this directory) for an example how HTTP auth can be cleared.
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*
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* @version @package_version@
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* @license GNU GPLv3+
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* @author Thomas Bruederli
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*/
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class http_authentication extends rcube_plugin
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{
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public $task = 'login|logout';
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function init()
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{
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$this->add_hook('startup', array($this, 'startup'));
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$this->add_hook('authenticate', array($this, 'authenticate'));
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$this->add_hook('logout_after', array($this, 'logout'));
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}
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function startup($args)
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{
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// change action to login
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if (empty($args['action']) && empty($_SESSION['user_id'])
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&& !empty($_SERVER['PHP_AUTH_USER']) && !empty($_SERVER['PHP_AUTH_PW']))
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$args['action'] = 'login';
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return $args;
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}
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function authenticate($args)
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{
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// Allow entering other user data in login form,
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// e.g. after log out (#1487953)
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if (!empty($args['user'])) {
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return $args;
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}
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if (!empty($_SERVER['PHP_AUTH_USER']) && !empty($_SERVER['PHP_AUTH_PW'])) {
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$args['user'] = $_SERVER['PHP_AUTH_USER'];
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$args['pass'] = $_SERVER['PHP_AUTH_PW'];
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}
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$args['cookiecheck'] = false;
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$args['valid'] = true;
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return $args;
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}
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function logout($args)
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{
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// redirect to configured URL in order to clear HTTP auth credentials
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if (!empty($_SERVER['PHP_AUTH_USER']) && $args['user'] == $_SERVER['PHP_AUTH_USER'] && ($url = rcmail::get_instance()->config->get('logout_url'))) {
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header("Location: $url", true, 307);
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}
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}
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}
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