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     $smarty->assign("passwordExpired", FALSE);
  72     if ($this->config->get_cfg_value("handleExpiredAccounts") == "true"){
  73       $expired= ldap_expired_account($this->config, $ui->dn, $ui->username);
  74       $smarty->assign("passwordExpired", $expired & POSIX_FORCE_PASSWORD_CHANGE);
  75       if($expired == POSIX_DISALLOW_PASSWORD_CHANGE){
  76         return($smarty->fetch(get_template_path("nochange.tpl", TRUE)));
  77       }
  78     }
  79
  80
  81     // Refresh proposal if requested
  82     if(isset($_POST['refreshProposal'])) $this->refreshProposal();
  83     $smarty->assign("proposal" , $this->proposal);
  84     $smarty->assign("proposalEnabled" , $this->proposalEnabled);
  85     $smarty->assign("proposalSelected" , $this->proposalSelected);
  86
  87
  88
  89     if(isset($_POST['proposalSelected'])) $this->proposalSelected = get_post('proposalSelected') == 1;
  90
  91
  92     /* Pwd change requested */
  93     if (isset($_POST['password_finish'])){
  94
  95
  96         if($this->proposalSelected){
  97             $current_password = get_post('current_password');
  98             $new_password = $this->proposal;
  99             $repeated_password = $this->proposal;
 100         }else{
 101             $current_password = get_post('current_password');
 102             $new_password = get_post('new_password');
 103             $repeated_password = get_post('repeated_password');
 104         }
 105
 106
 107       /* Should we check different characters in new password */
 108       $check_differ = $this->config->get_cfg_value("passwordMinDiffer") != "";
 109       $differ       = $this->config->get_cfg_value("passwordMinDiffer", 0);
 110
 111       /* Enable length check ? */
 112       $check_length = $this->config->get_cfg_value("passwordMinLength") != "";
 113       $length       = $this->config->get_cfg_value("passwordMinLength", 0);
 114
 115       /* Call external password quality hook ?*/
 116       $check_hook   = $this->config->get_cfg_value("passwordHook") != "";
 117       $hook         = $this->config->get_cfg_value("passwordHook")." ".$ui->username." ".$_POST['current_password']." ".$_POST['new_password'];
 118       if($check_hook){
 119         exec($hook,$resarr);
 120         $check_hook_output = "";
 121         if(count($resarr) > 0) {
 122           $check_hook_output= join('\n', $resarr);
 123         }
 124       }
 125
 126       /* Check given values */
 127       if(!isset($current_password) || empty($current_password)){
 128         msg_dialog::display(_("Password change"),
 129                             _("You need to specify your current password in order to proceed."),WARNING_DIALOG);
 130       }elseif ($new_password != $repeated_password){
 131         msg_dialog::display(_("Password change"),
 132                             _("The passwords you've entered as 'New password' and 'Repeated new password' do not match."),WARNING_DIALOG);
 133       } elseif ($new_password == ""){
 134         msg_dialog::display(_("Password change"),
 135                             _("The password you've entered as 'New password' is empty."),WARNING_DIALOG);
 136       }elseif($check_differ && (substr($current_password, 0, $differ) == substr($new_password, 0, $differ))){
 137         msg_dialog::display(_("Password change"),
 138                             _("The password used as new and current are too similar."),WARNING_DIALOG);
 139       }elseif($check_length && (strlen($new_password) < $length)){
 140         msg_dialog::display(_("Password change"),
 141                             _("The password used as new is to short."),WARNING_DIALOG);
 142       }elseif($check_hook && $check_hook_output != ""){
 143         msg_dialog::display(_("Password change"),
 144                     sprintf(_("External password changer reported a problem: %s."),$check_hook_output),WARNING_DIALOG);
 145       }else{
 146
 147         /* Try to connect via current password */
 148         $tldap = new LDAP(
 149             $ui->dn,
 150             $current_password,
 151             $this->config->current['SERVER'],
 152             $this->config->get_cfg_value("ldapFollowReferrals") == "true",
 153             $this->config->get_cfg_value("ldapTLS") == "true");
 154
 155         /* connection Successfull ? */
 156         if (!$tldap->success()){
 157           msg_dialog::display(_("Password change"),
 158                               _("The password you've entered as your current password doesn't match the real one."),WARNING_DIALOG);
 159         }else{
 160
 161           /* Check GOsa permissions */
 162           if (!preg_match("/w/i",$password_ACLS)){
 163             msg_dialog::display(_("Password change"),
 164                                 _("You have no permission to change your password."),WARNING_DIALOG);
 165           }else{
 166             $this->change_password($ui->dn, $new_password,$this->forcedHash);
 167             gosa_log ("User/password has been changed");
 168             $ui->password= $new_password;
 169             session::set('ui',$ui);
 170 #$this->handle_post_events("modify",array("userPassword" => $new_password));
 171             return($smarty->fetch(get_template_path("changed.tpl", TRUE)));
 172           }
 173         }
 174       }
 175     }
 176     return($smarty->fetch(get_template_path("password.tpl", TRUE)));
 177   }
 178
 179   function change_password($dn, $pwd, $hash)
 180   {
 181       if(!$hash){
 182           change_password ($dn, $pwd);
 183       }else{
 184           change_password ($dn, $pwd,0, $hash);
 185       }
 186   }
 187
 188
 189   function remove_from_parent()
 190   {
 191     $this->handle_post_events("remove");
 192   }
 193
 194   function save()
 195   {
 196   }
 197
 198   static function plInfo()
 199   {
 200     return (array(
 201           "plDescription"     => _("User password"),
 202           "plSelfModify"      => TRUE,
 203           "plDepends"         => array("user"),
 204           "plPriority"        => 10,
 205           "plSection"     => array("personal" => _("My account")),
 206           "plCategory"    => array("users"),
 207           "plOptions"         => array(),
 208
 209           "plProvidedAcls"  => array())
 210         );
 211   }
 212
 213 }
 214 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
 215 ?>