Aleksander Machniak
2015-02-02 e8fc8d303a30658abd70419917a1373131802e28
plugins/password/password.php
@@ -1,32 +1,26 @@
<?php
/*
 +-------------------------------------------------------------------------+
 | Password Plugin for Roundcube                                           |
 | @version @package_version@                                              |
 |                                                                         |
 | Copyright (C) 2009-2010, Roundcube Dev.                                 |
 |                                                                         |
 | This program is free software; you can redistribute it and/or modify    |
 | it under the terms of the GNU General Public License version 2          |
 | as published by the Free Software Foundation.                           |
 |                                                                         |
 | This program is distributed in the hope that it will be useful,         |
 | but WITHOUT ANY WARRANTY; without even the implied warranty of          |
 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           |
 | GNU General Public License for more details.                            |
 |                                                                         |
 | You should have received a copy of the GNU General Public License along |
 | with this program; if not, write to the Free Software Foundation, Inc., |
 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.             |
 |                                                                         |
 +-------------------------------------------------------------------------+
 | Author: Aleksander Machniak <alec@alec.pl>                              |
 +-------------------------------------------------------------------------+
 $Id: index.php 2645 2009-06-15 07:01:36Z alec $
*/
/**
 * Password Plugin for Roundcube
 *
 * @version @package_version@
 * @author Aleksander Machniak <alec@alec.pl>
 *
 * Copyright (C) 2005-2013, The Roundcube Dev Team
 *
 * 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 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see http://www.gnu.org/licenses/.
 */
define('PASSWORD_CRYPT_ERROR', 1);
define('PASSWORD_ERROR', 2);
@@ -46,63 +40,78 @@
 */
class password extends rcube_plugin
{
    public $task    = 'settings';
    public $task    = 'settings|login';
    public $noframe = true;
    public $noajax  = true;
    private $newuser = false;
    function init()
    {
        $rcmail = rcmail::get_instance();
        $this->load_config();
        $host = isset( $_SESSION['imap_host'] ) ? $_SESSION['imap_host'] : NULL;
        $hosts = $rcmail->config->get( 'password_supported_hosts' );
        if ( !empty( $hosts ) and !in_array( $host, $hosts ) ) {
            return;
        }
        // Exceptions list
        if ($exceptions = $rcmail->config->get('password_login_exceptions')) {
            $exceptions = array_map('trim', (array) $exceptions);
            $exceptions = array_filter($exceptions);
            $username   = $_SESSION['username'];
        if ($rcmail->task == 'settings') {
            if (!$this->check_host_login_exceptions()) {
                return;
            }
            foreach ($exceptions as $ec) {
                if ($username === $ec) {
                    return;
                }
            $this->add_texts('localization/');
            $this->add_hook('settings_actions', array($this, 'settings_actions'));
            $this->register_action('plugin.password', array($this, 'password_init'));
            $this->register_action('plugin.password-save', array($this, 'password_save'));
            if (strpos($rcmail->action, 'plugin.password') === 0) {
                $this->include_script('password.js');
            }
        }
        else if ($rcmail->config->get('password_force_new_user')) {
            $this->add_hook('user_create', array($this, 'user_create'));
            $this->add_hook('login_after', array($this, 'login_after'));
        }
    }
        // add Tab label
        $rcmail->output->add_label('password');
        $this->register_action('plugin.password', array($this, 'password_init'));
        $this->register_action('plugin.password-save', array($this, 'password_save'));
        $this->include_script('password.js');
    function settings_actions($args)
    {
        // register as settings action
        $args['actions'][] = array(
            'action' => 'plugin.password',
            'class'  => 'password',
            'label'  => 'password',
            'title'  => 'changepasswd',
            'domain' => 'password',
        );
        return $args;
    }
    function password_init()
    {
        $this->add_texts('localization/');
        $this->register_handler('plugin.body', array($this, 'password_form'));
        $rcmail = rcmail::get_instance();
        $rcmail->output->set_pagetitle($this->gettext('changepasswd'));
        if (rcube_utils::get_input_value('_first', rcube_utils::INPUT_GET)) {
            $rcmail->output->command('display_message', $this->gettext('firstloginchange'), 'notice');
        }
        $rcmail->output->send('plugin');
    }
    function password_save()
    {
        $rcmail = rcmail::get_instance();
        $this->add_texts('localization/');
        $this->register_handler('plugin.body', array($this, 'password_form'));
        $rcmail = rcmail::get_instance();
        $rcmail->output->set_pagetitle($this->gettext('changepasswd'));
        $confirm = $rcmail->config->get('password_confirm_current');
        $required_length = intval($rcmail->config->get('password_minimum_length'));
        $check_strength = $rcmail->config->get('password_require_nonalpha');
        $check_strength  = $rcmail->config->get('password_require_nonalpha');
        if (($confirm && !isset($_POST['_curpasswd'])) || !isset($_POST['_newpasswd'])) {
            $rcmail->output->command('display_message', $this->gettext('nopassword'), 'error');
@@ -112,22 +121,22 @@
            $rc_charset = strtoupper($rcmail->output->get_charset());
            $sespwd = $rcmail->decrypt($_SESSION['password']);
            $curpwd = $confirm ? get_input_value('_curpasswd', RCUBE_INPUT_POST, true, $charset) : $sespwd;
            $newpwd = get_input_value('_newpasswd', RCUBE_INPUT_POST, true);
            $conpwd = get_input_value('_confpasswd', RCUBE_INPUT_POST, true);
            $curpwd = $confirm ? rcube_utils::get_input_value('_curpasswd', rcube_utils::INPUT_POST, true, $charset) : $sespwd;
            $newpwd = rcube_utils::get_input_value('_newpasswd', rcube_utils::INPUT_POST, true);
            $conpwd = rcube_utils::get_input_value('_confpasswd', rcube_utils::INPUT_POST, true);
            // check allowed characters according to the configured 'password_charset' option
            // by converting the password entered by the user to this charset and back to UTF-8
            $orig_pwd = $newpwd;
            $chk_pwd = rcube_charset_convert($orig_pwd, $rc_charset, $charset);
            $chk_pwd = rcube_charset_convert($chk_pwd, $charset, $rc_charset);
            $chk_pwd = rcube_charset::convert($orig_pwd, $rc_charset, $charset);
            $chk_pwd = rcube_charset::convert($chk_pwd, $charset, $rc_charset);
            // WARNING: Default password_charset is ISO-8859-1, so conversion will
            // change national characters. This may disable possibility of using
            // the same password in other MUA's.
            // We're doing this for consistence with Roundcube core
            $newpwd = rcube_charset_convert($newpwd, $rc_charset, $charset);
            $conpwd = rcube_charset_convert($conpwd, $rc_charset, $charset);
            $newpwd = rcube_charset::convert($newpwd, $rc_charset, $charset);
            $conpwd = rcube_charset::convert($conpwd, $rc_charset, $charset);
            if ($chk_pwd != $orig_pwd) {
                $rcmail->output->command('display_message', $this->gettext('passwordforbidden'), 'error');
@@ -141,13 +150,13 @@
            }
            else if ($required_length && strlen($newpwd) < $required_length) {
                $rcmail->output->command('display_message', $this->gettext(
                   array('name' => 'passwordshort', 'vars' => array('length' => $required_length))), 'error');
                    array('name' => 'passwordshort', 'vars' => array('length' => $required_length))), 'error');
            }
            else if ($check_strength && (!preg_match("/[0-9]/", $newpwd) || !preg_match("/[^A-Za-z0-9]/", $newpwd))) {
                $rcmail->output->command('display_message', $this->gettext('passwordweak'), 'error');
            }
            // password is the same as the old one, do nothing, return success
            else if ($sespwd == $newpwd) {
            else if ($sespwd == $newpwd && !$rcmail->config->get('password_force_save')) {
                $rcmail->output->command('display_message', $this->gettext('successfullysaved'), 'confirmation');
            }
            // try to save the password
@@ -163,8 +172,8 @@
                // Log password change
                if ($rcmail->config->get('password_log')) {
                    write_log('password', sprintf('Password changed for user %s (ID: %d) from %s',
                        $rcmail->user->get_username(), $rcmail->user->ID, rcmail_remote_ip()));
                    rcube::write_log('password', sprintf('Password changed for user %s (ID: %d) from %s',
                        $rcmail->get_user_name(), $rcmail->user->ID, rcube_utils::remote_ip()));
                }
            }
            else {
@@ -172,7 +181,7 @@
            }
        }
        rcmail_overwrite_action('plugin.password');
        $rcmail->overwrite_action('plugin.password');
        $rcmail->output->send('plugin');
    }
@@ -197,7 +206,7 @@
            $input_curpasswd = new html_passwordfield(array('name' => '_curpasswd', 'id' => $field_id,
                'size' => 20, 'autocomplete' => 'off'));
            $table->add('title', html::label($field_id, Q($this->gettext('curpasswd'))));
            $table->add('title', html::label($field_id, rcube::Q($this->gettext('curpasswd'))));
            $table->add(null, $input_curpasswd->show());
        }
@@ -206,7 +215,7 @@
        $input_newpasswd = new html_passwordfield(array('name' => '_newpasswd', 'id' => $field_id,
            'size' => 20, 'autocomplete' => 'off'));
        $table->add('title', html::label($field_id, Q($this->gettext('newpasswd'))));
        $table->add('title', html::label($field_id, rcube::Q($this->gettext('newpasswd'))));
        $table->add(null, $input_newpasswd->show());
        // show confirm password selection
@@ -214,25 +223,44 @@
        $input_confpasswd = new html_passwordfield(array('name' => '_confpasswd', 'id' => $field_id,
            'size' => 20, 'autocomplete' => 'off'));
        $table->add('title', html::label($field_id, Q($this->gettext('confpasswd'))));
        $table->add('title', html::label($field_id, rcube::Q($this->gettext('confpasswd'))));
        $table->add(null, $input_confpasswd->show());
        $rules = '';
        $required_length = intval($rcmail->config->get('password_minimum_length'));
        if ($required_length > 0) {
            $rules .= html::tag('li', array('id' => 'required-length'), $this->gettext(array(
                'name' => 'passwordshort',
                'vars' => array('length' => $required_length)
            )));
        }
        if ($rcmail->config->get('password_require_nonalpha')) {
            $rules .= html::tag('li', array('id' => 'require-nonalpha'), $this->gettext('passwordweak'));
        }
        if (!empty($rules)) {
            $rules = html::tag('ul', array('id' => 'ruleslist'), $rules);
        }
        $out = html::div(array('class' => 'box'),
            html::div(array('id' => 'prefs-title', 'class' => 'boxtitle'), $this->gettext('changepasswd')) .
            html::div(array('class' => 'boxcontent'), $table->show() .
            $rules .
            html::p(null,
                $rcmail->output->button(array(
                    'command' => 'plugin.password-save',
                    'type' => 'input',
                    'class' => 'button mainaction',
                    'label' => 'save'
                    'type'    => 'input',
                    'class'   => 'button mainaction',
                    'label'   => 'save'
            )))));
        $rcmail->output->add_gui_object('passform', 'password-form');
        return $rcmail->output->form_tag(array(
            'id' => 'password-form',
            'name' => 'password-form',
            'id'     => 'password-form',
            'name'   => 'password-form',
            'method' => 'post',
            'action' => './?_task=settings&_action=plugin.password-save',
        ), $out);
@@ -246,7 +274,7 @@
        $file   = $this->home . "/drivers/$driver.php";
        if (!file_exists($file)) {
            raise_error(array(
            rcube::raise_error(array(
                'code' => 600,
                'type' => 'php',
                'file' => __FILE__, 'line' => __LINE__,
@@ -258,7 +286,7 @@
        include_once $file;
        if (!class_exists($class, false) || !method_exists($class, 'save')) {
            raise_error(array(
            rcube::raise_error(array(
                'code' => 600,
                'type' => 'php',
                'file' => __FILE__, 'line' => __LINE__,
@@ -278,10 +306,10 @@
        switch ($result) {
            case PASSWORD_SUCCESS:
                return;
            case PASSWORD_CRYPT_ERROR;
            case PASSWORD_CRYPT_ERROR:
                $reason = $this->gettext('crypterror');
                break;
            case PASSWORD_CONNECT_ERROR;
            case PASSWORD_CONNECT_ERROR:
                $reason = $this->gettext('connecterror');
                break;
            case PASSWORD_ERROR:
@@ -295,4 +323,48 @@
        return $reason;
    }
    function user_create($args)
    {
        $this->newuser = true;
        return $args;
    }
    function login_after($args)
    {
        if ($this->newuser && $this->check_host_login_exceptions()) {
            $args['_task']   = 'settings';
            $args['_action'] = 'plugin.password';
            $args['_first']  = 'true';
        }
        return $args;
    }
    // Check if host and login is allowed to change the password, false = not allowed, true = not allowed
    private function check_host_login_exceptions()
    {
        $rcmail = rcmail::get_instance();
        // Host exceptions
        $hosts = $rcmail->config->get('password_hosts');
        if (!empty($hosts) && !in_array($_SESSION['storage_host'], $hosts)) {
            return false;
        }
        // Login exceptions
        if ($exceptions = $rcmail->config->get('password_login_exceptions')) {
            $exceptions = array_map('trim', (array) $exceptions);
            $exceptions = array_filter($exceptions);
            $username   = $_SESSION['username'];
            foreach ($exceptions as $ec) {
                if ($username === $ec) {
                    return false;
                }
            }
        }
        return true;
    }
}