mirror of
https://github.com/YunoHost-Apps/piwigo_ynh.git
synced 2024-09-03 20:06:03 +02:00
113 lines
3.9 KiB
PHP
113 lines
3.9 KiB
PHP
<?php
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/*
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Plugin Name: Ldap_Login
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Version: auto
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Description: Allow piwigo authentication along an ldap
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Plugin URI: http://piwigo.org/ext/extension_view.php?eid=650
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Author: 22decembre
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Author URI: http://www.22decembre.eu
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*/
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if (!defined('PHPWG_ROOT_PATH')) die('Hacking attempt!');
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// +-----------------------------------------------------------------------+
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// | Define plugin constants |
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// +-----------------------------------------------------------------------+
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define('LDAP_LOGIN_ID', basename(dirname(__FILE__)));
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define('LDAP_LOGIN_PATH' , PHPWG_PLUGINS_PATH . LDAP_LOGIN_ID . '/');
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define('LDAP_LOGIN_ADMIN', get_root_url() . 'admin.php?page=plugin-' . LDAP_LOGIN_ID);
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define('LDAP_LOGIN_VERSION', '1.2');
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include_once(LDAP_LOGIN_PATH.'/class.ldap.php');
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// +-----------------------------------------------------------------------+
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// | Event handlers |
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// +-----------------------------------------------------------------------+
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add_event_handler('init', 'ld_init');
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add_event_handler('try_log_user','login', 0, 4);
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add_event_handler('get_admin_plugin_menu_links', array(&$ldap, 'ldap_admin_menu'));
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// +-----------------------------------------------------------------------+
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// | Admin menu loading |
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// +-----------------------------------------------------------------------+
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$ldap = new Ldap();
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$ldap->load_config();
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set_plugin_data($plugin['id'], $ldap);
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unset($ldap);
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// +-----------------------------------------------------------------------+
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// | functions |
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// +-----------------------------------------------------------------------+
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function random_password( $length = 8 ) {
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$chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%^&*()_-=+;:,.?";
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$password = substr( str_shuffle( $chars ), 0, $length );
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return $password;
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}
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function ld_init(){
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load_language('plugin.lang', LDAP_LOGIN_PATH);
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}
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function login($success, $username, $password, $remember_me){
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global $conf;
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$obj = new Ldap();
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$obj->load_config();
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$obj->ldap_conn() or die("Unable to connect LDAP server : ".$ldap->getErrorString());
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$user_dn = $obj->ldap_search_dn($username); // retrieve the userdn
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// If we have userdn, attempt to login an check user's group access
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if (!($user_dn && $obj->ldap_bind_as($user_dn,$password) &&
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$obj->check_ldap_group_membership($user_dn, $username))) {
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trigger_notify('login_failure', stripslashes($username));
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return false; // wrong user/password or no group access
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}
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// search user in piwigo database
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$query = 'SELECT '.$conf['user_fields']['id'].' AS id FROM '.USERS_TABLE.' WHERE '.$conf['user_fields']['username'].' = \''.pwg_db_real_escape_string($username).'\' ;';
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$row = pwg_db_fetch_assoc(pwg_query($query));
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// if query is not empty, it means everything is ok and we can continue, auth is done !
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if (!empty($row['id'])) {
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log_user($row['id'], $remember_me);
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trigger_notify('login_success', stripslashes($username));
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return true;
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}
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// if query is empty but ldap auth is done we can create a piwigo user if it's said so !
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else {
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// this is where we check we are allowed to create new users upon that.
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if ($obj->config['allow_newusers']) {
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// retrieve LDAP e-mail address and create a new user
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$mail = $obj->ldap_get_email($user_dn);
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$new_id = register_user($username,random_password(8),$mail);
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// Login user
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log_user($new_id, False);
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trigger_notify('login_success', stripslashes($username));
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// in case the e-mail address is empty, redirect to profile page
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if($mail==NULL) {
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redirect('profile.php');
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}
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return true;
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}
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// else : this is the normal behavior ! user is not created.
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else {
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trigger_notify('login_failure', stripslashes($username));
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return false;
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}
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}
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}
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?>
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