gosa-core/plugins/personal/password/class_password.inc

   1 <?php
   2 /*
   3  * This code is part of GOsa (http://www.gosa-project.org)
   4  * Copyright (C) 2003-2008 GONICUS GmbH
   5  *
   6  * ID: $$Id$$
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 class password extends plugin
  24 {
  25   /* Definitions */
  26   var $plHeadline     = "Password";
  27   var $plDescription  = "Change user password";
  28
  29   var $proposal = "";
  30   var $proposalEnabled = FALSE;
  31   var $proposalSelected = FALSE;
  32
  33   var $forcedHash = NULL;
  34
  35
  36   function password(&$config, $dn= NULL, $parent= NULL)
  37   {
  38       plugin::plugin($config, $dn, $parent);
  39
  40       // Try to generate a password proposal, if this is successfull
  41       //  then preselect the proposal usage.
  42       $this->refreshProposal();
  43       if($this->proposal != ""){
  44           $this->proposalSelected = TRUE;
  45       }
  46   }
  47
  48   function forceHash($hash)
  49   {
  50       $this->forcedHash = $hash;
  51   }
  52
  53   function refreshProposal()
  54   {
  55       $this->proposal = passwordMethod::getPasswordProposal($this->config);
  56       $this->proposalEnabled = (!empty($this->proposal));
  57   }
  58
  59   function execute()
  60   {
  61     plugin::execute();
  62     $smarty = get_smarty();
  63     $ui = get_userinfo();
  64
  65     /* Get acls */
  66     $password_ACLS = $ui->get_permissions($ui->dn,"users/password");
  67     $smarty->assign("ChangeACL" ,  $password_ACLS);
  68     $smarty->assign("NotAllowed" , !preg_match("/w/i",$password_ACLS));
  69
  70     /* Display expiration template */
  71     if ($this->config->get_cfg_value("handleExpiredAccounts") == "true"){
  72       $expired= ldap_expired_account($this->config, $ui->dn, $ui->username);
  73       if($expired == POSIX_DISALLOW_PASSWORD_CHANGE){
  74         return($smarty->fetch(get_template_path("nochange.tpl", TRUE)));
  75       }
  76     }
  77
  78
  79     // Refresh proposal if requested
  80     if(isset($_POST['refreshProposal'])) $this->refreshProposal();
  81     $smarty->assign("proposal" , $this->proposal);
  82     $smarty->assign("proposalEnabled" , $this->proposalEnabled);
  83     $smarty->assign("proposalSelected" , $this->proposalSelected);
  84
  85     $smarty->assign("passwordExpired", ldap_expired_account($this->config, $ui->dn, $ui->uid) & POSIX_FORCE_PASSWORD_CHANGE);
  86
  87
  88     if(isset($_POST['proposalSelected'])) $this->proposalSelected = get_post('proposalSelected') == 1;
  89
  90
  91     /* Pwd change requested */
  92     if (isset($_POST['password_finish'])){
  93
  94
  95         if($this->proposalSelected){
  96             $current_password = get_post('current_password');
  97             $new_password = $this->proposal;
  98             $repeated_password = $this->proposal;
  99         }else{
 100             $current_password = get_post('current_password');
 101             $new_password = get_post('new_password');
 102             $repeated_password = get_post('repeated_password');
 103         }
 104
 105
 106       /* Should we check different characters in new password */
 107       $check_differ = $this->config->get_cfg_value("passwordMinDiffer") != "";
 108       $differ       = $this->config->get_cfg_value("passwordMinDiffer", 0);
 109
 110       /* Enable length check ? */
 111       $check_length = $this->config->get_cfg_value("passwordMinLength") != "";
 112       $length       = $this->config->get_cfg_value("passwordMinLength", 0);
 113
 114       /* Call external password quality hook ?*/
 115       $check_hook   = $this->config->get_cfg_value("passwordHook") != "";
 116       $hook         = $this->config->get_cfg_value("passwordHook")." ".$ui->username." ".$_POST['current_password']." ".$_POST['new_password'];
 117       if($check_hook){
 118         exec($hook,$resarr);
 119         $check_hook_output = "";
 120         if(count($resarr) > 0) {
 121           $check_hook_output= join('\n', $resarr);
 122         }
 123       }
 124
 125       /* Check given values */
 126       if(!isset($current_password) || empty($current_password)){
 127         msg_dialog::display(_("Password change"),
 128                             _("You need to specify your current password in order to proceed."),WARNING_DIALOG);
 129       }elseif ($new_password != $repeated_password){
 130         msg_dialog::display(_("Password change"),
 131                             _("The passwords you've entered as 'New password' and 'Repeated new password' do not match."),WARNING_DIALOG);
 132       } elseif ($new_password == ""){
 133         msg_dialog::display(_("Password change"),
 134                             _("The password you've entered as 'New password' is empty."),WARNING_DIALOG);
 135       }elseif($check_differ && (substr($current_password, 0, $differ) == substr($new_password, 0, $differ))){
 136         msg_dialog::display(_("Password change"),
 137                             _("The password used as new and current are too similar."),WARNING_DIALOG);
 138       }elseif($check_length && (strlen($new_password) < $length)){
 139         msg_dialog::display(_("Password change"),
 140                             _("The password used as new is to short."),WARNING_DIALOG);
 141       }elseif($check_hook && $check_hook_output != ""){
 142         msg_dialog::display(_("Password change"),
 143                     sprintf(_("External password changer reported a problem: %s."),$check_hook_output),WARNING_DIALOG);
 144       }else{
 145
 146         /* Try to connect via current password */
 147         $tldap = new LDAP(
 148             $ui->dn,
 149             $current_password,
 150             $this->config->current['SERVER'],
 151             $this->config->get_cfg_value("ldapFollowReferrals") == "true",
 152             $this->config->get_cfg_value("ldapTLS") == "true");
 153
 154         /* connection Successfull ? */
 155         if (!$tldap->success()){
 156           msg_dialog::display(_("Password change"),
 157                               _("The password you've entered as your current password doesn't match the real one."),WARNING_DIALOG);
 158         }else{
 159
 160           /* Check GOsa permissions */
 161           if (!preg_match("/w/i",$password_ACLS)){
 162             msg_dialog::display(_("Password change"),
 163                                 _("You have no permission to change your password."),WARNING_DIALOG);
 164           }else{
 165             $this->change_password($ui->dn, $new_password,$this->forcedHash);
 166             gosa_log ("User/password has been changed");
 167             $ui->password= $new_password;
 168             session::set('ui',$ui);
 169 #$this->handle_post_events("modify",array("userPassword" => $new_password));
 170             return($smarty->fetch(get_template_path("changed.tpl", TRUE)));
 171           }
 172         }
 173       }
 174     }
 175     return($smarty->fetch(get_template_path("password.tpl", TRUE)));
 176   }
 177
 178   function change_password($dn, $pwd, $hash)
 179   {
 180       if(!$hash){
 181           change_password ($dn, $pwd);
 182       }else{
 183           change_password ($dn, $pwd,0, $hash);
 184       }
 185   }
 186
 187
 188   function remove_from_parent()
 189   {
 190     $this->handle_post_events("remove");
 191   }
 192
 193   function save()
 194   {
 195   }
 196
 197   static function plInfo()
 198   {
 199     return (array(
 200           "plDescription"     => _("User password"),
 201           "plSelfModify"      => TRUE,
 202           "plDepends"         => array("user"),
 203           "plPriority"        => 10,
 204           "plSection"     => array("personal" => _("My account")),
 205           "plCategory"    => array("users"),
 206           "plOptions"         => array(),
 207
 208           "plProvidedAcls"  => array())
 209         );
 210   }
 211
 212 }
 213 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
 214 ?>