source: trunk/preferences/changepassword.php @ 72

<?php
        /**************************************************************************\
        * phpGroupWare - preferences                                               *
        * http://www.phpgroupware.org                                              *
        * Written by Joseph Engo <jengo@phpgroupware.org>                          *
        * --------------------------------------------                             *
        *  This program is free software; you can redistribute it and/or modify it *
        *  under the terms of the GNU General Public License as published by the   *
        *  Free Software Foundation; either version 2 of the License, or (at your  *
        *  option) any later version.                                              *
        \**************************************************************************/


        $GLOBALS['phpgw_info']['flags'] = array(
                'noheader'   => True,
                'nonavbar'   => True,
                'currentapp' => 'preferences'
        );

        include('../header.inc.php');

        $a_passwd   = $_POST['a_passwd'];
        $n_passwd   = $_POST['n_passwd'];
        $n_passwd_2 = $_POST['n_passwd_2'];

        if(!$GLOBALS['phpgw']->acl->check('changepassword', 1) || $_POST['cancel'])
        {
                if(($GLOBALS['phpgw_info']['user']['lastpasswd_change'] == '0') && (!$_POST['cancel']))
                        $GLOBALS['phpgw']->redirect($GLOBALS['phpgw']->link('/login.php','cd=6'));
                
                if ($GLOBALS['phpgw_info']['server']['use_https'] == 1)
                        Header('Location: http://' . $_SERVER['HTTP_HOST'] . $GLOBALS['phpgw_info']['server']['webserver_url'] . '/preferences/index.php');
                else
                        $GLOBALS['phpgw']->redirect_link('/preferences/index.php');
                
                $GLOBALS['phpgw']->common->phpgw_exit();
        }

        $GLOBALS['phpgw']->template->set_file(array(
                'form' => 'changepassword.tpl'
        ));
        $GLOBALS['phpgw']->template->set_var('lang_enter_actual_password',lang('Enter your actual password'));
        $GLOBALS['phpgw']->template->set_var('lang_enter_password',lang('Enter your new password'));
        $GLOBALS['phpgw']->template->set_var('lang_reenter_password',lang('Re-enter your password'));
        $GLOBALS['phpgw']->template->set_var('lang_change',lang('Change'));
        $GLOBALS['phpgw']->template->set_var('lang_cancel',lang('Cancel'));
        $GLOBALS['phpgw']->template->set_var('form_action',$GLOBALS['phpgw']->link('/preferences/changepassword.php'));

        if ($_GET['cd'] == 1)
        {
                $lang1 = lang('Your password has expired');
                $lang2 = lang('You must register a new password');
                $GLOBALS['phpgw']->template->set_var('messages',"<font color=red><h1>$lang1.<br>$lang2.</h1></font>");
        }

        if ($GLOBALS['phpgw_info']['server']['auth_type'] != 'ldap')
        {
                $GLOBALS['phpgw']->template->set_var('sql_message',lang('note: This feature does *not* change your email password. This will '
                        . 'need to be done manually.'));
        }

        if ($_POST['change'])
        {
                // Default number of letters = 3
                if (!$GLOBALS['phpgw_info']['server']['num_letters_userpass'])
                        $GLOBALS['phpgw_info']['server']['num_letters_userpass'] = 3;
                // Default number of special letters = 0
                if (!$GLOBALS['phpgw_info']['server']['num_special_letters_userpass'])
                        $GLOBALS['phpgw_info']['server']['num_special_letters_userpass'] = 0;
                if (! $GLOBALS['phpgw']->auth->authenticate($GLOBALS['phpgw_info']['user']['account_lid'], $a_passwd))
                {
                        $errors[] = lang('Your actual password is wrong');
                }
                else if ($n_passwd != $n_passwd_2)
                {
                        $errors[] = lang('The two passwords are not the same');
                }
                else if ($a_passwd == $n_passwd)
                {
                        $errors[] = lang('Your old password and your new password are the same. Choose a different new password');
                }
                else if (! $n_passwd)
                {
                        $errors[] = lang('You must enter a password');
                }
                else if ( strlen( $n_passwd ) < $GLOBALS['phpgw_info']['server']['num_letters_userpass'] )
                {
                        $errors[] = lang('Your password must contain %1 or more letters', $GLOBALS['phpgw_info']['server']['num_letters_userpass']);                    
                }               
                # password that start with a-Z or 0-9 and contain _.-!@#$%&*+=| will be accepted.
                //else if (! ereg ("(^[a-zA-Z0-9_.\-\!@#$%&*+=|]*)$", $n_passwd ) )
                //else if (! ereg ("(^[a-zA-Z0-9_.\-\!@#$%&*+=|\(\)\^\~\}\{\[\]\/\\\"\'\:\;\?]*)$", $n_passwd ) )
                else if (! ereg ("([]^[a-zA-Z0-9\_\.\-\!\@\#\$\%\&\*\+\=\|\(\)\^\~\}\{\/\\\"\'\:\;\?]*)$", $n_passwd ) )
                {                       
                        $errors[] = lang('Your password contains characters not allowed');
                }               
                # password must contain 2 special letters, numbers or special characters
                //else if ($GLOBALS['phpgw_info']['server']['num_special_letters_userpass'] && ! ereg ("([0-9_.\-!@#$%&*+=|]){".$GLOBALS['phpgw_info']['server']['num_special_letters_userpass'].",}", $n_passwd ) )
                //else if ($GLOBALS['phpgw_info']['server']['num_special_letters_userpass'] && ! ereg ("([0-9_.\-!@#$%&*+=|\(\)\^\~\}\{\[\]\/\\\"\'\:\;\?]){".$GLOBALS['phpgw_info']['server']['num_special_letters_userpass']."}", $n_passwd ) )
                else if ($GLOBALS['phpgw_info']['server']['num_special_letters_userpass'] && ! ereg ("([][0-9\_\.\-\!\@\#\$\%\&\*\+\=\|\(\)\^\~\}\{\/\\\"\'\:\;\?]){".$GLOBALS['phpgw_info']['server']['num_special_letters_userpass']."}", $n_passwd ) )
                {
                        $errors[] = lang('Your password must contain at least %1 numbers or characters special', $GLOBALS['phpgw_info']['server']['num_special_letters_userpass']);
                }
                
                if(is_array($errors))
                {
                        $GLOBALS['phpgw']->common->phpgw_header();
                        echo parse_navbar();
                        $GLOBALS['phpgw']->template->set_var('messages',$GLOBALS['phpgw']->common->error_list($errors));
                        $GLOBALS['phpgw']->template->pfp('out','form');
                        $GLOBALS['phpgw']->common->phpgw_exit(True);
                }

                $o_passwd = $GLOBALS['phpgw_info']['user']['passwd'];
                $passwd_changed = $GLOBALS['phpgw']->auth->change_password($o_passwd, $n_passwd);
                if(!$passwd_changed)
                {
                        $errors[] = lang('Failed to change password.  Please contact your administrator.');
                        $GLOBALS['phpgw']->common->phpgw_header();
                        echo parse_navbar();
                        $GLOBALS['phpgw']->template->set_var('messages',$GLOBALS['phpgw']->common->error_list($errors));
                        $GLOBALS['phpgw']->template->pfp('out','form');
                        $GLOBALS['phpgw']->common->phpgw_exit(True);
                }
                else
                {
                        $GLOBALS['phpgw_info']['user']['passwd'] = $GLOBALS['phpgw']->auth->change_password($o_passwd, $n_passwd);
                        $GLOBALS['hook_values']['account_id'] = $GLOBALS['phpgw_info']['user']['account_id'];
                        $GLOBALS['hook_values']['old_passwd'] = $o_passwd;
                        $GLOBALS['hook_values']['new_passwd'] = $n_passwd;
                        $GLOBALS['phpgw']->hooks->process('changepassword');
                        
                        if ($GLOBALS['phpgw_info']['server']['use_https'] == 1)
                                Header('Location: http://' . $_SERVER['HTTP_HOST'] . $GLOBALS['phpgw_info']['server']['webserver_url'] . '/preferences/index.php');
                        else
                                $GLOBALS['phpgw']->redirect_link('/preferences/index.php','cd=18');
                }
        }
        else
        {
                $GLOBALS['phpgw_info']['flags']['app_header'] = lang('Change your password');
                $GLOBALS['phpgw']->common->phpgw_header();
                echo parse_navbar();

                $GLOBALS['phpgw']->template->pfp('out','form');
                $GLOBALS['phpgw']->common->phpgw_footer();
        }
?>