Copying plugins into 0.6 release branch

1 files changed, 274 insertions, 0 deletions

diff --git a/plugins/password/password.php b/plugins/password/password.php
new file mode 100644
index 000000000..b1c7863fc
--- /dev/null
+++ b/plugins/password/password.php
@@ -0,0 +1,274 @@
+<?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();
+        // 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->load_config();
+
+        $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();
+        $this->load_config();
+
+        // 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 = $this->home.'/drivers/'.$config->get('password_driver', 'sql').'.php';
+    
+        if (!is_readable($driver)) {
+            raise_error(array(
+                'code' => 600,
+                'type' => 'php',
+                'file' => __FILE__, 'line' => __LINE__,
+                'message' => "Password plugin: Unable to open driver file $driver"
+            ), true, false);
+            return $this->gettext('internalerror');
+        }
+    
+        include($driver);
+
+        if (!function_exists('password_save')) {
+            raise_error(array(
+                'code' => 600,
+                'type' => 'php',
+                'file' => __FILE__, 'line' => __LINE__,
+                'message' => "Password plugin: Broken driver: $driver"
+            ), true, false);
+            return $this->gettext('internalerror');
+        }
+
+        $result = password_save($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;
+    }                                     
+}