init.php

<?php

/*

# Taskmaster

This file is part of the Taskmaster project. Taskmaster is a simple task, project, and information tracking application.

# Copyright

Copyright 2013-2015 David Rodgers - <https://github.com/caressofsteel/taskmaster>
Copyright 2012-2013 Alexander Reichardt - <https://github.com/alex-LE/yourTinyTodo>
Copyright 2009-2010 Max Pozdeev - <https://github.com/maxpozdeev/mytinytodo>

This project is distributed under the GNU General Public License. Please see the included COPYRIGHT and LICENSE-GPL3 for more information. Copyrights for portions of this file are retained by their owners.

*/

if (!defined('TASKMASTERPATH')) define('TASKMASTERPATH', dirname(__FILE__) . '/');
if (!defined('taskmasterCOREPATH')) define('taskmasterCOREPATH', TASKMASTERPATH . 'core/');

require_once(TASKMASTERPATH . 'common.php');
if (!file_exists(TASKMASTERPATH . 'db/config.php')) {
	die("<h2>Not installed. Run <a href=setup.php>setup.php</a> first.</h2>");
} else {
	require_once(TASKMASTERPATH . 'db/config.php');
}
require_once(TASKMASTERPATH . 'core/Database.class.php');
require_once(TASKMASTERPATH . 'core/Lang.class.php');
require_once(TASKMASTERPATH . 'core/Notification.class.php');
require_once(TASKMASTERPATH . 'core/TimeTracker.class.php');

if (!defined('TASKMASTER_VERSION')) {
	define('TASKMASTER_VERSION', '2.0');
}

if (!isset($config)) global $config;
Config::loadConfig($config);
unset($config);

date_default_timezone_set(Config::get('timezone'));

if (Config::get('debugmode')) {
	ini_set('display_errors', 1);
	error_reporting(E_ALL);
} else {
	ini_set('display_errors', 0);
	error_reporting(0);
}


# MySQL Database Connection
if (Config::get('db') == 'mysql') {
	try {
		require_once(taskmasterCOREPATH . 'db/class.db.mysql.php');
		$db = DBConnection::init(new Database_Mysql());
		$db->connect(Config::get('mysql.host'), Config::get('mysql.user'), Config::get('mysql.password'), Config::get('mysql.db'));
		$db->dq("SET NAMES utf8");
	} catch (Exception $e) {
		die('Database connection error - check config file');
	}
}

# PostgreSQL Database Connection
elseif (Config::get('db') == 'postgres') {
	require_once(taskmasterCOREPATH . 'db/class.db.postgres.php');
	$db = DBConnection::init(new Database_Postgres());
	$db->connect(Config::get('postgres.host'), Config::get('postgres.user'), Config::get('postgres.password'), Config::get('postgres.db'));
	$db->dq("SET NAMES 'utf8'");
}

# SQLite3 (pdo_sqlite)
elseif (Config::get('db') == 'sqlite') {
	try {
		require_once(taskmasterCOREPATH . 'db/class.db.sqlite3.php');
		$db = DBConnection::init(new Database_Sqlite3());
		$db->connect(TASKMASTERPATH . 'db/taskmaster.db');
	} catch (Exception $e) {
		die('Database connection error - check config file');
	}
} else {
	# It seems not installed
	die("<h2>Not installed. Run <a href=setup.php>setup.php</a> first.</h2>");
}
$db->prefix = Config::get('prefix');

require_once(TASKMASTERPATH . 'core/Lang.class.php');
require_once(TASKMASTERPATH . 'lang/' . Config::get('lang') . '.php');

$_taskmasterinfo = array();

$needAuth = (Config::get('password') != '' || Config::get('multiuser') == 1) ? 1 : 0;
$multiUser = (Config::get('multiuser') == 1) ? 1 : 0;

if ($needAuth && !isset($dontStartSession)) {
	if (Config::get('session') == 'files') {

		session_save_path(TASKMASTERPATH . 'tmp/sessions');
		ini_set('session.gc_maxlifetime', '1209600'); # 14 days session file minimum lifetime
		ini_set('session.gc_probability', 1);
		ini_set('session.gc_divisor', 10);
	}

	ini_set('session.use_cookies', true);
	ini_set('session.use_only_cookies', true);
	session_set_cookie_params(1209600, url_dir(Config::get('url') == '' ? $_SERVER['REQUEST_URI'] : Config::get('url'))); # 14 days session cookie lifetime
	session_name('taskmaster-session');
	session_start();
}

$notifications_count = (Config::get('multiuser') == 1) ? Notification::getUnreadCount() : false;

function is_logged()
{
	if (isset($_SESSION['logged'])) {
		return true;
	}

	if (Config::get('auth_bypass') != 'none') {
		$classname = Config::get('auth_bypass') . '_Bypass';
		if (file_exists(taskmasterCOREPATH . 'authentication/' . $classname . '.php')) {
			require_once(taskmasterCOREPATH . 'authentication/' . $classname . '.php');
			$bypass = new $classname;
			$bypass->setSession();
		}
	}

	return false;
}

function is_readonly()
{
	$needAuth = (Config::get('password') != '' || Config::get('multiuser') == 1) ? 1 : 0;
	if (($needAuth && !is_logged()) || (Config::get('multiuser') == 1 && is_logged() && $_SESSION['role'] == 3)) return true;
	return false;
}

function is_admin()
{
	$needAuth = (Config::get('password') != '' || Config::get('multiuser') == 1) ? 1 : 0;
	if (!$needAuth) {
		return true;
	}

	if ($needAuth && Config::get('multiuser') != 1 && is_logged()) {
		return true;
	}

	if ($needAuth && Config::get('multiuser') == 1 && isset($_SESSION['role']) && $_SESSION['role'] == 1) {
		return true;
	}

	return false;
}

function timestampToDatetime($timestamp)
{
	$format = Config::get('dateformat') . ' ' . (Config::get('clock') == 12 ? 'g:i A' : 'H:i');
	return formatTime($format, $timestamp);
}

function formatTime($format, $timestamp = 0)
{
	$lang = Lang::instance();
	if ($timestamp == 0) $timestamp = time();
	$newformat = strtr($format, array('F' => '%1', 'M' => '%2'));
	$adate = explode(',', date('n,' . $newformat, $timestamp), 2);
	$s = $adate[1];
	if ($newformat != $format) {
		$am = (int) $adate[0];
		$ml = $lang->get('months_long');
		$ms = $lang->get('months_short');
		$F = $ml[$am - 1];
		$M = $ms[$am - 1];
		$s = strtr($s, array('%1' => $F, '%2' => $M));
	}
	return $s;
}

function getUserName($userid)
{
	$db = DBConnection::instance();
	$username = '';
	if ($userid > 0) {
		$username = $db->sq("SELECT username FROM {$db->prefix}users WHERE id=$userid");
	}
	return $username;
}

function _e($s)
{
	echo Lang::instance()->get($s);
}

function __($s)
{
	return Lang::instance()->get($s);
}

function _r($s, $params)
{
	if (is_array($params)) {
		return vsprintf(Lang::instance()->get($s), $params);
	} else {
		return vsprintf(Lang::instance()->get($s), array($params));
	}
}

function taskmasterinfo($v)
{
	global $_taskmasterinfo;
	if (!isset($_taskmasterinfo[$v])) {
		echo get_taskmasterinfo($v);
	} else {
		echo $_taskmasterinfo[$v];
	}
}

function get_taskmasterinfo($v)
{
	global $_taskmasterinfo;
	if (isset($_taskmasterinfo[$v])) return $_taskmasterinfo[$v];
	switch ($v) {
		case 'template_url':
			$_taskmasterinfo['template_url'] = get_taskmasterinfo('taskmaster_url') . 'themes/' . Config::get('template') . '/';
			return $_taskmasterinfo['template_url'];
		case 'url':
			$_taskmasterinfo['url'] = Config::get('url');
			if ($_taskmasterinfo['url'] == '')
				$_taskmasterinfo['url'] = 'http://' . $_SERVER['HTTP_HOST'] . ($_SERVER['SERVER_PORT'] != 80 ? ':' . $_SERVER['SERVER_PORT'] : '') .
					url_dir(isset($_SERVER['REQUEST_URI']) ? $_SERVER['REQUEST_URI'] : $_SERVER['SCRIPT_NAME']);
			return $_taskmasterinfo['url'];
		case 'taskmaster_url':
			$_taskmasterinfo['taskmaster_url'] = Config::get('taskmaster_url');
			if ($_taskmasterinfo['taskmaster_url'] == '') $_taskmasterinfo['taskmaster_url'] = url_dir(isset($_SERVER['REQUEST_URI']) ? $_SERVER['REQUEST_URI'] : $_SERVER['SCRIPT_NAME']);
			return $_taskmasterinfo['taskmaster_url'];
		case 'title':
			$_taskmasterinfo['title'] = (Config::get('title') != '') ? htmlarray(Config::get('title')) : __('taskmaster Tasks');
			return $_taskmasterinfo['title'];
	}

	return false;
}

function jsonExit($data)
{
	header('Content-type: application/json; charset=utf-8');
	echo json_encode($data);
	exit;
}