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     $smarty->assign("usePrototype", "true");
  64     $ui = get_userinfo();
  65
  66     /* Get acls */
  67     $password_ACLS = $ui->get_permissions($ui->dn,"users/password");
  68     $smarty->assign("ChangeACL" ,  $password_ACLS);
  69     $smarty->assign("NotAllowed" , !preg_match("/w/i",$password_ACLS));
  70
  71     /* Display expiration template */
  72     $smarty->assign("passwordExpired", FALSE);
  73     if ($this->config->get_cfg_value("handleExpiredAccounts") == "true"){
  74       $expired= ldap_expired_account($this->config, $ui->dn, $ui->username);
  75       $smarty->assign("passwordExpired", $expired & POSIX_FORCE_PASSWORD_CHANGE);
  76       if($expired == POSIX_DISALLOW_PASSWORD_CHANGE){
  77         return($smarty->fetch(get_template_path("nochange.tpl", TRUE)));
  78       }
  79     }
  80
  81
  82     // Refresh proposal if requested
  83     if(isset($_POST['refreshProposal'])) $this->refreshProposal();
  84     if(isset($_POST['proposalSelected'])) $this->proposalSelected = get_post('proposalSelected') == 1;
  85     $smarty->assign("proposal" , $this->proposal);
  86     $smarty->assign("proposalEnabled" , $this->proposalEnabled);
  87     $smarty->assign("proposalSelected" , $this->proposalSelected);
  88
  89     /* Pwd change requested */
  90     if (isset($_POST['password_finish'])){
  91
  92
  93         if($this->proposalSelected){
  94             $current_password = get_post('current_password');
  95             $new_password = $this->proposal;
  96             $repeated_password = $this->proposal;
  97         }else{
  98             $current_password = get_post('current_password');
  99             $new_password = get_post('new_password');
 100             $repeated_password = get_post('repeated_password');
 101         }
 102
 103
 104       /* Should we check different characters in new password */
 105       $check_differ = $this->config->get_cfg_value("passwordMinDiffer") != "";
 106       $differ       = $this->config->get_cfg_value("passwordMinDiffer", 0);
 107
 108       /* Enable length check ? */
 109       $check_length = $this->config->get_cfg_value("passwordMinLength") != "";
 110       $length       = $this->config->get_cfg_value("passwordMinLength", 0);
 111
 112       // Perform GOsa password policy checks
 113       $message = array();
 114       if(empty($current_password)){
 115           $message[] = _("You need to specify your current password in order to proceed.");
 116       }elseif($new_password  != $repeated_password){
 117           $message[] = _("The passwords you've entered as 'New password' and 'Repeated new password' do not match.");
 118       }elseif($new_password == ""){
 119           $message[] = _("The password you've entered as 'New password' is empty.");
 120       }elseif($check_differ && (substr($current_password, 0, $differ) == substr($new_password, 0, $differ))){
 121           $message[] = _("The password used as new and current are too similar.");
 122       }elseif($check_length && (strlen($new_password) < $length)){
 123           $message[] = _("The password used as new is to short.");
 124       #}elseif(!passwordMethod::is_harmless($new_password)){
 125        #   $message[] = _("The password contains possibly problematic Unicode characters!");
 126       }
 127
 128       /* Call external password quality hook ?*/
 129       if(!count($message)){
 130           $check_hook   = $this->config->get_cfg_value("passwordHook") != "";
 131           $hook         = $this->config->get_cfg_value("passwordHook")." ".
 132               escapeshellarg($ui->username)." ".escapeshellarg($current_password)." ".escapeshellarg($new_password);
 133           if($check_hook){
 134               exec($hook,$resarr);
 135               $check_hook_output = "";
 136               if(count($resarr) > 0) {
 137                   $check_hook_output= join('\n', $resarr);
 138               }
 139               if(!empty($check_hook_output)){
 140                   $message[] = sprintf(_("Check-hook reported a problem: %s. Password change canceled!"),$check_hook_output);
 141               }
 142           }
 143       }
 144
 145       // Some errors/warning occured, display them and abort password change.
 146       if(count($message)){
 147           msg_dialog::displayChecks($message);
 148       }else{
 149
 150         /* Try to connect via current password */
 151         $tldap = new LDAP(
 152             $ui->dn,
 153             $current_password,
 154             $this->config->current['SERVER'],
 155             $this->config->get_cfg_value("ldapFollowReferrals") == "true",
 156             $this->config->get_cfg_value("ldapTLS") == "true");
 157
 158         /* connection Successfull ? */
 159         if (!$tldap->success()){
 160           msg_dialog::display(_("Password change"),
 161                               _("The password you've entered as your current password doesn't match the real one."),WARNING_DIALOG);
 162         }else{
 163
 164           /* Check GOsa permissions */
 165           if (!preg_match("/w/i",$password_ACLS)){
 166             msg_dialog::display(_("Password change"),
 167                                 _("You have no permission to change your password."),WARNING_DIALOG);
 168           }else{
 169             $this->change_password($ui->dn, $new_password,$this->forcedHash);
 170             gosa_log ("User/password has been changed");
 171             $ui->password= $new_password;
 172             session::set('ui',$ui);
 173 #$this->handle_post_events("modify",array("userPassword" => $new_password));
 174             return($smarty->fetch(get_template_path("changed.tpl", TRUE)));
 175           }
 176         }
 177       }
 178     }
 179     return($smarty->fetch(get_template_path("password.tpl", TRUE)));
 180   }
 181
 182   function change_password($dn, $pwd, $hash)
 183   {
 184       if(!$hash){
 185           change_password ($dn, $pwd);
 186       }else{
 187           change_password ($dn, $pwd,0, $hash);
 188       }
 189   }
 190
 191
 192   function remove_from_parent()
 193   {
 194     $this->handle_post_events("remove");
 195   }
 196
 197   function save()
 198   {
 199   }
 200
 201   static function plInfo()
 202   {
 203     return (array(
 204           "plDescription"     => _("User password"),
 205           "plSelfModify"      => TRUE,
 206           "plDepends"         => array("user"),
 207           "plPriority"        => 10,
 208           "plSection"     => array("personal" => _("My account")),
 209           "plCategory"    => array("users"),
 210           "plOptions"         => array(),
 211
 212           "plProvidedAcls"  => array())
 213         );
 214   }
 215
 216 }
 217 // vim:tabstop=2:expandtab:shiftwidth=2:filetype=php:syntax:ruler:
 218 ?>