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<?php
/* 
 * Laconica - a distributed open-source microblogging tool
 * Copyright (C) 2008, Controlez-Vous, Inc.
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.
 * 
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

if (!defined('LACONICA')) { exit(1) }

class PasswordAction extends SettingsAction {
	
	function handle($args) {
		parent::handle($args);
		if (!common_logged_in()) {
			common_user_error(_t('Not logged in.'));
			return;
		}
		if ($this->arg('METHOD') == 'POST') {
			$this->handle_post();
		} else {
			$this->show_form();
		}
	}

	function show_form($msg=NULL, $success=false) {
		common_show_header(_t('Change password'));
		$this->settings_menu();
		if ($msg) {
			common_element('div', ($success) ? 'success' : 'error',
						   $msg);
		}
		common_start_element('form', array('method' => 'POST',
										   'id' => 'password',
										   'action' => 
										   common_local_url('password')));
		common_password('oldpassword', _t('Old password'));
		common_password('newpassword', _t('New password'));
		common_password('confirm', _t('Confirm'));
		common_element('input', array('name' => 'submit',
									  'type' => 'submit',
									  'id' => 'submit'),
					   _t('Login'));
		common_element('input', array('name' => 'cancel',
									  'type' => 'button',
									  'id' => 'cancel'),
					   _t('Cancel'));
	}
	
	function handle_post() {

		$user = common_current_user();
		assert(!is_null($user)); # should already be checked
		
		# FIXME: scrub input

		$oldpassword = $this->arg('oldpassword');
		$newpassword = $this->arg('newpassword');
		$confirm = $this->arg('confirm');
		
		if (0 != strcmp($newpassword, $confirm)) {
			$this->show_form(_t('Passwords don\'t match'));
			return;
		}

		if (!common_check_user($user->nickname, $oldpassword)) {
			$this->show_form(_t('Incorrect old password'));
			return;
		}
		
		$user->password = common_munge_password($newpassword, $user->id);
		
		if (!$user->update()) {
			common_server_error(_t('Can\'t save new password.'));
			return;
		}
		
		$this->show_form(_t('Password saved'), true);
	}
}