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<?php
/**
* Change SASL Password
*
* Plugin that adds functionality ty to change the users Cyrus/SASL password.
* The code is derrived from the Squirrelmail "Change SASL Password" Plugin
* by Galen Johnson.
*
* It only works with saslpasswd2 on the same host where RoundCube runs
* and requires shell access and gcc in order to compile the binary.
*
* For installation instructions please read the README file.
*
* @version 1.0
* @author Thomas Bruederli
*/
class sasl_password extends rcube_plugin
{
public $task = 'settings';
function init()
{
$rcmail = rcmail::get_instance();
// add Tab label
$rcmail->output->add_label('password');
$this->register_action('plugin.saslpassword', array($this, 'password_init'));
$this->register_action('plugin.saslpassword-save', array($this, 'password_save'));
$this->include_script('sasl_password.js');
}
function password_init()
{
$this->add_texts('locale/');
$this->register_handler('plugin.body', array($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('locale/');
$this->register_handler('plugin.body', array($this, 'password_form'));
if (!isset($_POST['_curpasswd']) || !isset($_POST['_newpasswd'])) {
$rcmail->output->command('display_message', $this->gettext('nopassword'), 'error');
}
else {
$curpwd = get_input_value('_curpasswd', RCUBE_INPUT_POST);
$newpwd = get_input_value('_newpasswd', RCUBE_INPUT_POST);
if ($rcmail->decrypt($_SESSION['password']) != $curpwd) {
$rcmail->output->command('display_message', $this->gettext('passwordincorrect'), 'error');
}
else if ($this->_save($newpwd)) {
$rcmail->output->command('display_message', $this->gettext('successfullysaved'), 'confirmation');
$_SESSION['password'] = $rcmail->encrypt($newpwd);
}
else {
$rcmail->output->command('display_message', $this->gettext('errorsaving'), 'error');
}
}
rcmail_overwrite_action('plugin.saslpassword');
rcmail::get_instance()->output->send('plugin');
}
function password_form()
{
$rcmail = rcmail::get_instance();
// add some labels to client
$rcmail->output->add_label(
'sasl_password.nopassword',
'sasl_password.nocurpassword',
'sasl_password.passwordinconsistency',
'sasl_password.changepasswd'
);
$table = new html_table(array('cols' => 2));
// show current password selection
$field_id = 'saslcurpasswd';
$input_newpasswd = new html_passwordfield(array('name' => '_curpasswd', 'id' => $field_id, 'size' => 25));
$table->add('title', html::label($field_id, Q($this->gettext('curpasswd'))));
$table->add(null, $input_newpasswd->show());
// show new password selection
$field_id = 'saslnewpasswd';
$input_newpasswd = new html_passwordfield(array('name' => '_newpasswd', 'id' => $field_id, 'size' => 25));
$table->add('title', html::label($field_id, Q($this->gettext('newpasswd'))));
$table->add(null, $input_newpasswd->show());
// show confirm password selection
$field_id = 'saslconfpasswd';
$input_confpasswd = new html_passwordfield(array('name' => '_confpasswd', 'id' => $field_id, 'size' => 25));
$table->add('title', html::label($field_id, Q($this->gettext('confpasswd'))));
$table->add(null, $input_confpasswd->show());
$out = html::div(array('class' => "settingsbox", 'style' => "margin:0"),
html::div(array('id' => "userprefs-title"), $this->gettext('changepasswd')) .
html::div(array('style' => "padding:15px"), $table->show() .
html::p(null,
$rcmail->output->button(array(
'command' => 'plugin.saslpassword-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.saslpassword-save',
), $out);
}
private function _save($passwd)
{
$curdir = realpath(dirname(__FILE__));
$username = escapeshellcmd($_SESSION['username']);
$code = 1;
if ($fh = popen("$curdir/chgsaslpasswd -p $username", 'w')) {
fwrite($fh, $passwd."\n");
$code = pclose($fh);
}
return ($code == 0);
}
}
?>
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