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-rw-r--r--plugins/password/password.php290
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diff --git a/plugins/password/password.php b/plugins/password/password.php
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+<?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 $
+
+*/
+
+define('PASSWORD_CRYPT_ERROR', 1);
+define('PASSWORD_ERROR', 2);
+define('PASSWORD_CONNECT_ERROR', 3);
+define('PASSWORD_SUCCESS', 0);
+
+/**
+ * Change password plugin
+ *
+ * Plugin that adds functionality to change a users password.
+ * It provides common functionality and user interface and supports
+ * several backends to finally update the password.
+ *
+ * For installation and configuration instructions please read the README file.
+ *
+ * @author Aleksander Machniak
+ */
+class password extends rcube_plugin
+{
+ public $task = 'settings';
+ public $noframe = true;
+ public $noajax = true;
+
+ function init()
+ {
+ $rcmail = rcmail::get_instance();
+
+ $this->load_config();
+
+ // Exceptions list
+ if ($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;
+ }
+ }
+ }
+
+ // 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 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'));
+ $rcmail->output->send('plugin');
+ }
+
+ function password_save()
+ {
+ $rcmail = rcmail::get_instance();
+
+ $this->add_texts('localization/');
+ $this->register_handler('plugin.body', array($this, 'password_form'));
+ $rcmail->output->set_pagetitle($this->gettext('changepasswd'));
+
+ $confirm = $rcmail->config->get('password_confirm_current');
+ $required_length = intval($rcmail->config->get('password_minimum_length'));
+ $check_strength = $rcmail->config->get('password_require_nonalpha');
+
+ if (($confirm && !isset($_POST['_curpasswd'])) || !isset($_POST['_newpasswd'])) {
+ $rcmail->output->command('display_message', $this->gettext('nopassword'), 'error');
+ }
+ else {
+ $charset = strtoupper($rcmail->config->get('password_charset', 'ISO-8859-1'));
+ $rc_charset = strtoupper($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);
+
+ // 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);
+
+ // 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, $charset);
+
+ if ($chk_pwd != $orig_pwd) {
+ $rcmail->output->command('display_message', $this->gettext('passwordforbidden'), 'error');
+ }
+ // other passwords validity checks
+ else if ($conpwd != $newpwd) {
+ $rcmail->output->command('display_message', $this->gettext('passwordinconsistency'), 'error');
+ }
+ else if ($confirm && $sespwd != $curpwd) {
+ $rcmail->output->command('display_message', $this->gettext('passwordincorrect'), 'error');
+ }
+ else if ($required_length && strlen($newpwd) < $required_length) {
+ $rcmail->output->command('display_message', $this->gettext(
+ 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) {
+ $rcmail->output->command('display_message', $this->gettext('successfullysaved'), 'confirmation');
+ }
+ // try to save the password
+ else if (!($res = $this->_save($curpwd, $newpwd))) {
+ $rcmail->output->command('display_message', $this->gettext('successfullysaved'), 'confirmation');
+
+ // allow additional actions after password change (e.g. reset some backends)
+ $plugin = $rcmail->plugins->exec_hook('password_change', array(
+ 'old_pass' => $curpwd, 'new_pass' => $newpwd));
+
+ // Reset session password
+ $_SESSION['password'] = $rcmail->encrypt($plugin['new_pass']);
+
+ // 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()));
+ }
+ }
+ else {
+ $rcmail->output->command('display_message', $res, 'error');
+ }
+ }
+
+ rcmail_overwrite_action('plugin.password');
+ $rcmail->output->send('plugin');
+ }
+
+ function password_form()
+ {
+ $rcmail = rcmail::get_instance();
+
+ // add some labels to client
+ $rcmail->output->add_label(
+ 'password.nopassword',
+ 'password.nocurpassword',
+ 'password.passwordinconsistency'
+ );
+
+ $rcmail->output->set_env('product_name', $rcmail->config->get('product_name'));
+
+ $table = new html_table(array('cols' => 2));
+
+ if ($rcmail->config->get('password_confirm_current')) {
+ // show current password selection
+ $field_id = 'curpasswd';
+ $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(null, $input_curpasswd->show());
+ }
+
+ // show new password selection
+ $field_id = 'newpasswd';
+ $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(null, $input_newpasswd->show());
+
+ // show confirm password selection
+ $field_id = 'confpasswd';
+ $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(null, $input_confpasswd->show());
+
+ $out = html::div(array('class' => 'box'),
+ html::div(array('id' => 'prefs-title', 'class' => 'boxtitle'), $this->gettext('changepasswd')) .
+ html::div(array('class' => 'boxcontent'), $table->show() .
+ html::p(null,
+ $rcmail->output->button(array(
+ 'command' => 'plugin.password-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',
+ 'method' => 'post',
+ 'action' => './?_task=settings&_action=plugin.password-save',
+ ), $out);
+ }
+
+ private function _save($curpass, $passwd)
+ {
+ $config = rcmail::get_instance()->config;
+ $driver = $config->get('password_driver', 'sql');
+ $class = "rcube_{$driver}_password";
+ $file = $this->home . "/drivers/$driver.php";
+
+ if (!file_exists($file)) {
+ raise_error(array(
+ 'code' => 600,
+ 'type' => 'php',
+ 'file' => __FILE__, 'line' => __LINE__,
+ 'message' => "Password plugin: Unable to open driver file ($file)"
+ ), true, false);
+ return $this->gettext('internalerror');
+ }
+
+ include_once $file;
+
+ if (!class_exists($class, false) || !method_exists($class, 'save')) {
+ raise_error(array(
+ 'code' => 600,
+ 'type' => 'php',
+ 'file' => __FILE__, 'line' => __LINE__,
+ 'message' => "Password plugin: Broken driver $driver"
+ ), true, false);
+ return $this->gettext('internalerror');
+ }
+
+ $object = new $class;
+ $result = $object->save($curpass, $passwd);
+
+ if (is_array($result)) {
+ $message = $result['message'];
+ $result = $result['code'];
+ }
+
+ switch ($result) {
+ case PASSWORD_SUCCESS:
+ return;
+ case PASSWORD_CRYPT_ERROR;
+ $reason = $this->gettext('crypterror');
+ case PASSWORD_CONNECT_ERROR;
+ $reason = $this->gettext('connecterror');
+ case PASSWORD_ERROR:
+ default:
+ $reason = $this->gettext('internalerror');
+ }
+
+ if ($message) {
+ $reason .= ' ' . $message;
+ }
+
+ return $reason;
+ }
+}