<?php

	if (defined('APP_VERSION'))
	{
		define('APP_START', microtime(true));
		define('APP_VERSION_ROOT_PATH', APP_INDEX_ROOT_PATH.'rainloop/v/'.APP_VERSION.'/');

		if (function_exists('date_default_timezone_set'))
		{
			date_default_timezone_set('UTC');
		}

		$sSite = strtolower(trim(empty($_SERVER['HTTP_HOST']) ? (empty($_SERVER['SERVER_NAME']) ? '' : $_SERVER['SERVER_NAME']) : $_SERVER['HTTP_HOST']));
		$sSite = 'www.' === substr($sSite, 0, 4) ? substr($sSite, 4) : $sSite;
		$sSite = preg_replace('/^.+@/', '', preg_replace('/:[\d]+$/', '', $sSite));
		$sSite = in_array($sSite, array('localhost', '127.0.0.1', '::1', '::1/128', '0:0:0:0:0:0:0:1')) ? 'localhost' : $sSite;

		define('APP_SITE', $sSite);
		define('APP_SITE_CLEAR', 0 < strlen(APP_SITE) ? trim(preg_replace('/[^a-zA-Z0-9_.\-]+/', '_', trim(strtolower(APP_SITE))), ' _') : '');
		
		define('APP_DEFAULT_PRIVATE_DATA_NAME', '_default_');

		$sPrivateDataFolderInternalName = function_exists('__get_private_data_folder_internal_name') ?
			trim(__get_private_data_folder_internal_name(APP_SITE)) : '';
		define('APP_PRIVATE_DATA_NAME', 0 === strlen($sPrivateDataFolderInternalName) ? APP_DEFAULT_PRIVATE_DATA_NAME : $sPrivateDataFolderInternalName);
		define('APP_MULTIPLY', 0 < strlen($sPrivateDataFolderInternalName) && APP_DEFAULT_PRIVATE_DATA_NAME !== APP_PRIVATE_DATA_NAME);
		unset($sPrivateDataFolderInternalName);

		define('APP_CORE_INSTALL_ACCESS_SITE', function_exists('__get_core_install_access_site') ?
			__get_core_install_access_site(APP_SITE) : APP_SITE);
		
		define('APP_DUMMY', '********');
		define('APP_DEV_VERSION', '0.0.0.dev');
		define('APP_API_PATH', 'http://api.rainloop.net/');
		define('APP_REP_PATH', 'http://repository.rainloop.net/v1/');
		define('APP_WEB_PATH', 'rainloop/v/'.APP_VERSION.'/');
		define('APP_WEB_STATIC_PATH', APP_WEB_PATH.'static/');
		define('APP_DATA_FOLDER_PATH_UNIX', str_replace('\\', '/', APP_DATA_FOLDER_PATH));
		
		$sSalt = @file_get_contents(APP_DATA_FOLDER_PATH.'SALT.php');
		$sData = @file_get_contents(APP_DATA_FOLDER_PATH.'DATA.php');
		$sInstalled = @file_get_contents(APP_DATA_FOLDER_PATH.'INSTALLED');

		// installation checking data folder
		if (false === $sInstalled || APP_VERSION !== $sInstalled)
		{
			include APP_VERSION_ROOT_PATH.'check.php';

			$sCheckName = 'delete_if_you_see_it_after_install';
			$sCheckFolder = APP_DATA_FOLDER_PATH.$sCheckName;
			$sCheckFilePath = APP_DATA_FOLDER_PATH.$sCheckName.'/'.$sCheckName.'.file';

			@unlink($sCheckFilePath);
			@rmdir($sCheckFolder);

			if (!@is_dir(APP_DATA_FOLDER_PATH))
			{
				@mkdir(APP_DATA_FOLDER_PATH, 0777);
			}
			else
			{
				@chmod(APP_DATA_FOLDER_PATH, 0777);
			}

			if (
				!@is_dir(APP_DATA_FOLDER_PATH) || !is_readable(APP_DATA_FOLDER_PATH) || !is_writable(APP_DATA_FOLDER_PATH) ||
				!@mkdir($sCheckFolder, 0777) ||
				false === @file_put_contents($sCheckFilePath, time()) ||
				!@unlink($sCheckFilePath) ||
				!@rmdir($sCheckFolder)
			)
			{
				echo 'Data folder permisions error (Error Code: 202)';
				exit(202);
			}

			unset($sCheckName, $sCheckFilePath, $sCheckFolder);
		}

		if (false === $sSalt || false === $sData)
		{
			if (false === $sSalt)
			{
				// random salt
				$sSalt = '<'.'?php //'
					.md5(microtime(true).rand(1000, 5000))
					.md5(microtime(true).rand(5000, 9999))
					.md5(microtime(true).rand(1000, 5000));

				@file_put_contents(APP_DATA_FOLDER_PATH.'SALT.php', $sSalt);
			}

			if (false === $sData)
			{
				// random data folder name
				$sData = '<'.'?php //'.md5(microtime(true).rand(1000, 9999));
				@file_put_contents(APP_DATA_FOLDER_PATH.'DATA.php', $sData);
			}
		}

		define('APP_SALT', md5($sSalt.APP_PRIVATE_DATA_NAME.$sSalt));
		define('APP_PRIVATE_DATA', APP_DATA_FOLDER_PATH.'_data_'.md5($sData).'/'.APP_PRIVATE_DATA_NAME.'/');
		define('APP_PLUGINS_PATH', APP_PRIVATE_DATA.'plugins/');

		unset($sSite, $sSalt, $sData);
		
		if (false === $sInstalled || APP_VERSION !== $sInstalled ||
			(APP_MULTIPLY && !@is_dir(APP_PRIVATE_DATA)))
		{
			define('APP_INSTALLED_START', true);
			define('APP_INSTALLED_VERSION', $sInstalled);

			@file_put_contents(APP_DATA_FOLDER_PATH.'INSTALLED', APP_VERSION);
			@file_put_contents(APP_DATA_FOLDER_PATH.'index.html', 'Forbidden');
			@file_put_contents(APP_DATA_FOLDER_PATH.'index.php', 'Forbidden');
			@file_put_contents(APP_DATA_FOLDER_PATH.'.htaccess',
'Deny from all

<IfModule mod_autoindex.c>
Options -Indexes
</ifModule>');

			if (!@is_dir(APP_PRIVATE_DATA))
			{
				@mkdir(APP_PRIVATE_DATA, 0777, true);
			}
			
			foreach (array('logs', 'cache', 'configs', 'plugins', 'storage') as $sName)
			{
				if (!@is_dir(APP_PRIVATE_DATA.$sName))
				{
					@mkdir(APP_PRIVATE_DATA.$sName, 0777, true);
				}
			}

			if (!@file_exists(APP_PRIVATE_DATA.'domains/default.ini'))
			{
				if (!@is_dir(APP_PRIVATE_DATA.'domains'))
				{
					@mkdir(APP_PRIVATE_DATA.'domains', 0777);

					@copy(APP_VERSION_ROOT_PATH.'app/domains/readme.txt', APP_PRIVATE_DATA.'domains/readme.txt');
					@copy(APP_VERSION_ROOT_PATH.'app/domains/disabled', APP_PRIVATE_DATA.'domains/disabled');
					@copy(APP_VERSION_ROOT_PATH.'app/domains/gmail.com.ini', APP_PRIVATE_DATA.'domains/gmail.com.ini');
					@copy(APP_VERSION_ROOT_PATH.'app/domains/yahoo.com.ini', APP_PRIVATE_DATA.'domains/yahoo.com.ini');
				}

				@copy(APP_VERSION_ROOT_PATH.'app/domains/default.ini.dist', APP_PRIVATE_DATA.'domains/default.ini');
			}
		}

		include APP_VERSION_ROOT_PATH.'app/handle.php';
	}