<?php

	error_reporting(0);
	set_time_limit(0);

	$has_json = true;

	function koken_http_get($url, $host_header = false)
	{
		$is_ssl = isset($_SERVER['HTTPS']) ? $_SERVER['HTTPS'] === 'on' || $_SERVER['HTTPS'] === 1 : $_SERVER['SERVER_PORT'] == 443;
		$protocol = $is_ssl ? 'https' : 'http';

		$headers = array(
			'Connection: Keep-Alive',
			'Keep-Alive: 2',
			'Cache-Control: must-revalidate'
		);

		if ($host_header)
		{
			$host = $_SERVER['SERVER_ADDR'] . ':' . $_SERVER['SERVER_PORT'];
			$headers[] = 'Host: ' . $_SERVER['HTTP_HOST'];
		}
		else
		{
			$host = $_SERVER['HTTP_HOST'];
		}

		$url = $protocol . '://' . $host . preg_replace('~/index\.php.*~', "/index.php?$url", $_SERVER['SCRIPT_NAME']);

		$curl = curl_init();
		curl_setopt($curl, CURLOPT_URL, $url);
		curl_setopt($curl, CURLOPT_HEADER, 0);
		curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
		curl_setopt($curl, CURLOPT_USERAGENT, 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1944.0 Safari/537.36');
		curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, 5);
		curl_setopt($curl, CURLOPT_TIMEOUT, 10);

		curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);

		if ($protocol === 'https')
		{
			curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 0);
			curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
		}

		return json_decode( curl_exec($curl), true );
	}

	if (!function_exists('gzopen') && function_exists('gzopen64')) {
		function gzopen($filename, $mode = 'r', $use_include_path = 0)
		{
			return gzopen64($filename, $mode, $use_include_path);
		}
	}

	if (!function_exists('json_encode')) {
		$has_json = false;
		function json_encode($data) {
			switch ($type = gettype($data)) {
				case 'NULL':
					return 'null';
				case 'boolean':
					return ($data ? 'true' : 'false');
				case 'integer':
				case 'double':
				case 'float':
					return $data;
				case 'string':
					return '"' . addslashes($data) . '"';
				case 'object':
					$data = get_object_vars($data);
				case 'array':
					$output_index_count = 0;
					$output_indexed = array();
					$output_associative = array();
					foreach ($data as $key => $value) {
						$output_indexed[] = json_encode($value);
						$output_associative[] = json_encode($key) . ':' . json_encode($value);
						if ($output_index_count !== NULL && $output_index_count++ !== $key) {
							$output_index_count = NULL;
						}
					}
					if ($output_index_count !== NULL) {
						return '[' . implode(',', $output_indexed) . ']';
					} else {
						return '{' . implode(',', $output_associative) . '}';
					}
				default:
					return ''; // Not supported
			}
		}
	}

	function delete_files($path, $del_dir = FALSE, $level = 0)
	{
		// Trim the trailing slash
		$path = rtrim($path, DIRECTORY_SEPARATOR);

		if ( ! $current_dir = @opendir($path))
		{
			return FALSE;
		}

		while (FALSE !== ($filename = @readdir($current_dir)))
		{
			if ($filename != "." and $filename != "..")
			{
				if (is_dir($path.DIRECTORY_SEPARATOR.$filename))
				{
					// Ignore empty folders
					if (substr($filename, 0, 1) != '.')
					{
						delete_files($path.DIRECTORY_SEPARATOR.$filename, $del_dir, $level + 1);
					}
				}
				else
				{
					unlink($path.DIRECTORY_SEPARATOR.$filename);
				}
			}
		}
		@closedir($current_dir);

		if ($del_dir == TRUE AND $level > 0)
		{
			return @rmdir($path);
		}

		return TRUE;
	}

	function download($f, $to, $test = false)
	{
		$error = false;
		if (in_array('curl', get_loaded_extensions())) {
			$cp = curl_init($f);
			$fp = fopen($to, "w+");
			if (!$fp) {
				curl_close($cp);
				$error = 'perms';
			} else {
				curl_setopt($cp, CURLOPT_FILE, $fp);
				curl_setopt($cp, CURLOPT_CONNECTTIMEOUT, 10);
				curl_setopt($cp, CURLOPT_FOLLOWLOCATION, true);
				curl_setopt($cp, CURLOPT_SSL_VERIFYPEER, false);
				if (curl_exec($cp) === false)
				{
					fclose($fp);
					@unlink($to);
					$error = curl_error($cp);
				}
				else
				{
					fclose($fp);
				}
				curl_close($cp);

			}
		}
		else
		{
			$error = 'extensions';
		}

		return array( file_exists($to) && filesize($to) > 0, $error);
	}

	function extract_callback($p_event, &$p_header) {
		$current_dir = dirname(__FILE__);
		$current_perms = substr(sprintf('%o', fileperms($current_dir)), -4);
		if ($current_perms < 755)
		{
			$current_perms = '0755';
		}
		chmod($current_dir . DIRECTORY_SEPARATOR . $p_header['filename'], octdec($current_perms));
		return 1;
	}

	if (isset($_SERVER['QUERY_STRING']) && strpos($_SERVER['QUERY_STRING'], '/json') === 0)
	{
		die(json_encode(array('success' => true)));
	}

	if ($_POST)
	{
		if (isset($_POST['database_check']))
		{
			$host = urldecode($_POST['host']);
			$user = urldecode($_POST['user']);
			$password = urldecode($_POST['password']);
			$name = urldecode($_POST['name']);
			$tmp_table = urldecode($_POST['prefix']) . 'applications';
			$db_error = false;
			$create = $alter = false;
			$data = array();

			if (function_exists('mysqli_connect') && strpos($host, ':') === false)
			{
				$data['driver'] = 'mysqli';

				$host_bits = explode(':', $host);
				if (count($host_bits))
				{
					$host = $host_bits[0];
					if (is_numeric($host_bits[1]))
					{
						$host = urldecode($_POST['host']);
						$socket = null;
					}
					else
					{
						$socket = $host_bits[1];
					}
				}
				else
				{
					$socket = null;
				}
				$link = mysqli_connect($host, $user, $password, $name, null, $socket);

				if (!$link)
				{
					$data['error'] = mysqli_connect_error();
					$link = mysqli_connect('localhost', $user, $password, $name);
					if ($link)
					{
						$host = 'localhost';
						unset($data['error']);
					}
				}

				if ($link)
				{
					$info = mysqli_get_server_info($link);

					$create = mysqli_query($link, "CREATE TABLE $tmp_table (a INT)");

					if ($create)
					{
						$alter = mysqli_query($link, "ALTER TABLE $tmp_table ADD b INT(10)");

						if (!$alter)
						{
							$db_error = mysqli_error($link);
						}
					}
					else
					{
						$db_error = mysqli_error($link);
					}

					if ($create && !mysqli_query($link, "DROP TABLE $tmp_table"))
					{
						$db_error = mysqli_error($link);
					}
				}
			}
			else if (function_exists('mysql_connect'))
			{
				$data['driver'] = 'mysql';

				$link = mysql_connect($host, $user, $password);

				if (!$link)
				{
					$data['error'] = mysql_error($link);
					$link = mysql_connect('localhost', $user, $password);
					if ($link)
					{
						$host = 'localhost';
						unset($data['error']);
					}
				}

				if ($link && !mysql_select_db($name, $link))
				{
					$data['error'] = mysql_error($link);
				}
				else
				{
					$info = mysql_get_server_info();

					$create = mysql_query("CREATE TABLE $tmp_table (a INT)");

					if ($create)
					{
						$alter = mysql_query("ALTER TABLE $tmp_table ADD b INT(10)");

						if (!$alter)
						{
							$db_error = mysql_error($link);
						}
					}
					else
					{
						$db_error = mysql_error($link);
					}

					if ($create && !mysql_query("DROP TABLE $tmp_table"))
					{
						$db_error = mysql_error($link);
					}
				}
			}
			else
			{
				$data['error'] = 'Koken requires the mysql client library (not mysqli) in order to connect via socket.';
			}

			if (isset($info))
			{
				// Strip a-log and other stuff from end of MySQL version info
				$info = preg_replace('/[a-z\-]/', '', $info);
				if (version_compare($info, '4.1.0', '<'))
				{
					$data['error'] = "Koken requires MySQL 4.1 or higher. You're server is running MySQL $info. Contact your host to see if a more up to date version is available.";
				}
				else if ($db_error)
				{
					if (strpos($db_error, 'already exists') !== -1)
					{
						$data['error'] = "This database already contains an installation of Koken. If you'd like to install another copy in this database, click the \"Advanced options\" link below and change the table prefix.";
					}
					else
					{
						$data['error'] = 'This MySQL user has insufficient permissions. Koken requires SELECT, UPDATE, CREATE, DELETE, ALTER and DROP permissions on this database. MySQL returned this error: ' . $db_error;
					}
				}
			}

			$data['host'] = $host;
		}
		else if ($_POST['server_test'])
		{
			$current_dir = dirname(__FILE__);
			$writable = is_writable($current_dir) && is_writable(__FILE__);

			list($download, $download_error) = download('https://s3.amazonaws.com/install.koken.me/releases/pclzip.lib.txt', 'pclzip.lib.php');

			$ua = strtolower($_SERVER['HTTP_USER_AGENT']);

			$imagick = in_array('imagick', get_loaded_extensions()) && class_exists('Imagick');

			$php = $connection = $permissions = $im = $browser = array( 'warn' => array(), 'fail' => array() );

			if (!$has_json)
			{
				$php['fail'][] = 'Koken requires that PHP be built with the JSON extension. Contact your host or system administrator for help with installing the JSON extension.';
			}

			if (version_compare(PHP_VERSION, '5.3.0', '<'))
			{
				$php['fail'][] = "Koken requires PHP 5.3.0 or higher. Your server is running " . PHP_VERSION . '.';
			}

			// Safe mode completely removed in PHP 5.4, so only check PHP installs earlier than that.
			if (version_compare(PHP_VERSION, '5.4.0', '<') && (ini_get('safe_mode') === true || ini_get('safe_mode') === 1 || ini_get('safe_mode') === '1' || strtolower(ini_get('safe_mode')) === 'on')) {
				$php['fail'][] = "Koken is incompatible with PHP's safe_mode. Ask your host or system administrator to disable safe_mode in PHP's configuration.";
			}

			if (!function_exists('gzopen'))
			{
				$php['fail'][] = 'Koken requires <code>zlib</code> library support in PHP to be enabled before installing. Check with your web host or system administrator for more information.';
			}

			if ( strpos($ua, 'msie') !== false || strpos($ua, 'internet explorer') !== false)
			{
				$browser['fail'][] = 'The Koken beta does not currently support Internet Explorer. Please use Chrome, Safari or Firefox.';
			}

			if (!in_array('mysql', get_loaded_extensions()) && !in_array('mysqli', get_loaded_extensions()))
			{
				$php['fail'][] = 'Koken requires either the mysql or mysqli PHP extension to be installed and enabled.';
			}

			if (isset($_SERVER['ACCESS_DOMAIN']) && strpos($_SERVER['ACCESS_DOMAIN'], 'gridserver.com') !== false && getenv('FCGI_ROLE'))
			{
				$htaccess = <<<HT
# Force (mt) to use PHP 5.5 due to FCGI incompatibilies
AddHandler php5latest-script .php

HT;
				file_put_contents('.htaccess', $htaccess, FILE_APPEND);
			}

			if (!count($php['fail']) > 0)
			{
				if (!$writable || (!$download && $download_error === 'perms'))
				{
					$permissions['fail'][] = 'This directory does not have the necessary permissions to perform the install. Set the permissions on the koken folder and the koken/index.php file to 777.';
				}
				else if (!$download && $download_error === 'extensions')
				{
					$php['fail'][] = 'Koken requires the <a href="http://php.net/curl" target="_blank">cURL extension</a> to be enabled in PHP. Consult with your host and modify your server configuration to enable the cURL extension.';
				}
				else if (!$download)
				{
					$connection['fail'][] = 'Koken cannot download the necessary files from install.koken.me. Check with your host to see if they are limiting outgoing connections and if so, have them open a path to install.koken.me.' . ( $download_error ? " Error: $download_error" : '' );
				}
			}

			if (count($php['fail']) > 0)
			{
				$permissions['warn'][] = 'Permissions can not be tested until the above PHP requirements are met.';
				$connection['warn'][] = 'Connections can not be tested until the above PHP requirements are met.';
			}

			$disabled_functions = explode(',', str_replace(' ', '', ini_get('disable_functions')));

			if (ini_get('suhosin.executor.func.blacklist'))
			{
				$disabled_functions = array_merge($disabled_functions, explode(',', str_replace(' ', '', ini_get('suhosin.executor.func.blacklist'))));
			}

			if (!$imagick && (!is_callable('exec') || in_array('exec', $disabled_functions)))
			{
				if (in_array('gd', get_loaded_extensions()))
				{
					$magick_path = 'gd';
				}
				else
				{
					$im['fail'][] = "Koken requires either the GD library, the 'imagick' PECL extension, ImageMagick, or GraphicsMagick in order to process images. Ask your host to enable one of those options before continuing installation.";
				}
			}
			else if (!$imagick)
			{
				$common_magick_paths = array(
					'$PATH', '/usr/bin', '/usr/local/bin', '/usr/local/sbin', '/bin', '/opt/local/bin', '/opt/ImageMagick/bin', '/usr/local/ImageMagick/bin'
				);
				if (isset($_POST['custom_magick_path']) && !empty($_POST['custom_magick_path']))
				{
					$common_magick_paths[] =  $_POST['custom_magick_path'];
				}
				$magick_path = false;
				$magicks = array();

				$gmagick_path = false;
				$gmagicks = array();

				foreach($common_magick_paths as $path)
				{
					if ($path === '$PATH')
					{
						$path = 'convert';
					}
					else if (!preg_match("/\/convert$/", $path) && strpos('\\', $path) === false)
					{
						$path = rtrim($path, '/') . '/convert';
					}
					$out = '';
					exec($path . ' -version', $out);
					$test = $out[0];
					if (!empty($test) && preg_match('/\d+\.\d+\.\d+/', $test, $matches)) {
						$magicks[] = array('path' => $path, 'version' => $matches[0]);
					}

					$gpath = str_replace('convert', 'gm convert', str_replace('ImageMagick', 'GraphicsMagick', $path));
					exec($gpath . ' -version', $gout);
					$gtest = $gout[0];
					if (!empty($gtest) && preg_match('/\d+\.\d+\.\d+/', $gtest, $gmatches)) {
						$gmagicks[] = array('path' => $gpath, 'version' => $gmatches[0]);
					}
				}

				if (empty($magicks) && empty($gmagicks))
				{
					if (in_array('gd', get_loaded_extensions()))
					{
						$magick_path = 'gd';
					}
					else
					{
						$im['fail'][] = 'Koken cannot locate the GD, ImageMagick, or GraphicsMagick library on your server.<br><br>We looked for ImageMagick and GraphicsMagick in the following locations: <code>' . join('</code>, <code>', $common_magick_paths) . '</code>.<br><br>Ask your host for the path to ImageMagick or GraphicsMagick on your server and enter it below.';
					}
				}
				else
				{
					function top_magick_lib($arr)
					{
						$top = array_shift($arr);
						foreach($arr as $m)
						{
							if (version_compare($m['version'], $top['version']) > 0)
							{
								$top = $m;
							}
						}

						return $top;
					}

					$top_im = top_magick_lib($magicks);
					$top_gm = top_magick_lib($gmagicks);

					if (substr($top_im['version'], 0, 1) === '6')
					{
						$magick_path = $top_im['path'];
					}
					else if (substr($top_gm['version'], 2, 3) >= 3)
					{
						$magick_path = $top_gm['path'];
					}
					else
					{
						if (in_array('gd', get_loaded_extensions()))
						{
							$magick_path = 'gd';
						}
						else
						{
							$im['fail'][] = 'The version of ImageMagick or GraphicsMagick on your server is not compatible with Koken.<br>Koken requires ImageMagick 6+ or GraphicsMagick 1.3+.<br>Ask your host for the path to a newer version of ImageMagick or GraphicsMagick and enter it below or enable the PHP GD library and restart the installation.';
						}
					}
				}
			}

			if ($imagick)
			{
				$magick_path = 'imagick';
			}

			if (isset($magick_path))
			{
				$im['path'] = $magick_path;
			}

			$loopback = array(
				'warn' => array(),
				'fail' => array()
			);

			if ($download_error === 'extensions')
			{
				$loopback['warn'][] = 'Loopback connections cannot be tested until cURL is enabled.';
			}
			else
			{
				$loopback_test = koken_http_get('/json');
				$loopback_result = $loopback_test && isset($loopback_test['success']) && $loopback_test['success'] === true;

				if (!$loopback_result)
				{
					$use_host_header_loopback = true;
					$loopback_test = koken_http_get('/json', $use_host_header_loopback);
					$loopback_result = $loopback_test && isset($loopback_test['success']) && $loopback_test['success'] === true;
				}

				if ($loopback_result)
				{
					$suhosin = min(ini_get('suhosin.get.max_name_length'), ini_get('suhosin.request.max_varname_length'));

					if ($suhosin && $suhosin < 256)
					{
						$loopback_long_test = koken_http_get('/json/one:two/three:four/five:six/seven:eight/fill:up/space:true/limit:1000/order_by:some_column_name/include_empty:maybe/order_direction:desc/types:everything/page:100/token:123456789abcdefghijklmnop', $use_host_header_loopback);
						$loopback_long_result = $loopback_long_test && isset($loopback_long_test['success']) && $loopback_long_test['success'] === true;

						if (!$loopback_long_result)
						{
							$loopback['fail'][] = "Your installation of PHP is running the Suhosin security extension. The current settings for that extension conflict with Koken's functionality. Add the following lines to your php.ini file (your host may need to help you do this).<br><br><code style=\"display:block;text-align:left\">suhosin.get.max_name_length=256<br>suhosin.request.max_varname_length=256</code>";
						}
					}
				}
				else
				{
					$loopback['fail'][] = 'Loopback connection failed. Your server must be configured to make requests to its own IP address over HTTP. Contact your host and ask them to enable "loopback connections" to resolve this issue.';
				}
			}

			header('Content-type: application/json');
			die(json_encode( array(
					'php' => $php,
					'permissions' => $permissions,
					'connection' => $connection,
					'im' => $im,
					'browser' => $browser,
					'loopback' => $loopback,
					'loopback_host_header' => $use_host_header_loopback
				)
			));
		}
		else
		{
			if (download('https://s3.amazonaws.com/install.koken.me/releases/latest.zip', 'core.zip'))
			{
				require('pclzip.lib.php');

				// Work around issue with mbstring.func_overload = 2
				if ((ini_get('mbstring.func_overload') & 2) && function_exists('mb_internal_encoding')) {
					$previous_encoding = mb_internal_encoding();
					mb_internal_encoding('ISO-8859-1');
				}

				unlink('index.php');

				$archive = new PclZip('core.zip');
				$archive->extract(PCLZIP_CB_POST_EXTRACT, 'extract_callback');

				$storage = dirname(__FILE__) . DIRECTORY_SEPARATOR . 'storage' . DIRECTORY_SEPARATOR . 'themes' . DIRECTORY_SEPARATOR;
				chdir($storage);

				$zip = 'elementary.zip';
				download('https://koken-store.s3.amazonaws.com/plugins/be1cb2d9-ed05-2d81-85b4-23282832eb84.zip', $zip);

				$theme_zip = new PclZip($zip);
				$theme_zip->extract(PCLZIP_CB_POST_EXTRACT, 'extract_callback');

				rename('be1cb2d9-ed05-2d81-85b4-23282832eb84', 'elementary');
				unlink($zip);

				chdir(dirname(__FILE__));

				unlink('pclzip.lib.php');
				unlink('core.zip');

				$db_name = urldecode($_POST['name']);
				$db_username = urldecode($_POST['user']);
				$db_password = str_replace("'", "\\'", urldecode($_POST['password']));
				$db_prefix = urldecode($_POST['prefix']);

				$conf = <<<OUT
<?php

	\$KOKEN_DATABASE = array(
		'driver' => '{$_POST['driver']}',
		'hostname' => '{$_POST['host']}',
		'database' => '$db_name',
		'username' => '$db_username',
		'password' => '$db_password',
		'prefix' => '$db_prefix',
		'socket' => ''
	);
OUT;
				if (file_put_contents('storage/configuration/database.php', $conf))
				{
					$data['success'] = true;
				}
				else
				{
					// TODO: Fail
				}

				if ($_POST['loopback_host_header'])
				{
					file_put_contents('storage/configuration/user_setup.php', "\n\n\t// Enable loopback connection workaround. Added automatically by Koken installer\n\tdefine('LOOPBACK_HOST_HEADER', true);", FILE_APPEND);
				}
			}
			else
			{
				$data['error'] = 'Permissions';
			}
		}
		header('Content-type: application/json');
		die( json_encode($data) );
		exit;
	}
?><!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="utf-8">

	<title>Koken - Setup</title>

	<!-- css -->
	<link rel="stylesheet" href="//s3.amazonaws.com/install.koken.me/css/screen.css">

	<!--[if IE]>
		<script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
	<![endif]-->

	<script src="//ajax.googleapis.com/ajax/libs/jquery/1.8.0/jquery.min.js"></script>
	<script>
		$(function() {

			$(window).on('keydown', function(e) {
				if (e.keyCode === 13 && $('button:visible').length === 1) {
					$('button:visible').trigger('click');
				}
			});

			var payload = {
					image_processing: '<?php echo $magick_path; ?>'
				},
				database = {
					loopback_host_header: false,
				},
				hold = false;

			$('a.toggle').bind('click', function() {
				$(this).toggleClass('open');
				$(this).parent().siblings('.row').toggle();
			});
			for (i in jstz.olson.timezones) {
				var t = jstz.olson.timezones[i],
					parts = i.split(',');
					offset = parts[0]/60;

				if (offset > 0) {
					offset = '+' + offset;
				} else if (offset == 0) {
					offset = '';
				} else {
					offset = String(offset);
				}
				$('<option/>').attr('value', t).text('(GMT' + String(offset).replace('.5', ':30').replace('.75', ':45') + ') ' + t.replace('Etc/', '')).appendTo('#tz');
			}

			var tz = jstz.determine();
			tz = tz ? tz.name() : 'Etc/UTC';
			$('#tz').val(tz);

			var current = false,
				steps = [ 'test', 'admin', 'db', 'key', 'opt', 'signup', 'dl', 'wait', 'final' ];

			function next() {

				var index, p;

				if (current) {
					$('#setup-' + current).removeClass().addClass('animated fadeOutLeft');
					index = $.inArray(current, steps) + 1;
				} else {
					index = 0;
				}

				current = steps[ index ];

				if (current === 'key') {
					current = 'opt';
				}

				if (current === 'final') {
					$('#progress-strip').removeClass().addClass('animated fadeOutDown')
				} else {
					p = ((index+1)/(steps.length-1));
					$('#progress').css({
						width: p*100 + '%'
					});
					if (p === 1) {
						$('#progress span').addClass('animate');
					}
				}


				$('#setup-' + current).removeClass().addClass('animated fadeInRight').show();

			}

			function test() {

				var groups = [ 'php', 'permissions', 'connection', 'im', 'browser', 'loopback' ],
					magick_path = $('#custom_magick_path').length ? $('#custom_magick_path').val().trim() : null;

				$('div.test').removeClass('fail warn pass loading').find('span').remove();
				$('p.testerr').remove();
				$('#test-failed').hide();
				$('#test-wait').html('Testing your server for compatibility. Please wait...')
				$('#run-again').hide();

				$('[data-group="' + groups[0] + '"]').addClass('loading');

				$.post('index.php', {
						server_test: true,
						custom_magick_path: magick_path
					}, function(data) {
						database.loopback_host_header = data.loopback_host_header;

						var	intId = setInterval(function() {
							if (groups.length) {
								var g = groups.shift(),
									el = $('[data-group="' + g + '"]'),
									nextGroup = $('[data-group="' + groups[0] + '"]'),
									results = data[g];

								if (results.fail.length || results.warn.length) {

									var key = results.fail.length ? 'fail' : 'warn';

									var p = $('<p />').addClass('testerr ' + key).html( '<span>' + results[key].join(' ') + '</span>' );
									$('#test-errors').append(p);
									el.addClass(key);

									if (g === 'im' && p.text().indexOf('requires either') === -1) {
										var form = '<input type="text" id="custom_magick_path" placeholder="Enter path to ImageMagick or GraphicsMagick here" />';
										p.append(form);
									}

									p.hide();

									$('#test-failed').show();

									p.addClass('animated fadeInUp').show();

								} else {

									el.addClass('pass');

									if (g === 'im') {
										payload.image_processing = results.path;
									}

								}

								if (nextGroup.length) {
									nextGroup.addClass('loading');
								} else {
									clearInterval(intId);
									if ($('div.pass').length === $('div.test').length) {
										$('#test-wait').html('<strong class="success">Everything looks good.</strong>');
										$('#test-passed').addClass('animated fadeInUp').show();
									} else {
										$('#test-wait').html('<strong>Your server does not meet the minimum system requirements.</strong><br>Correct the problems listed below then try again.');
										$('#run-again').fadeIn();
									}
								}
							}
						}, 750);
					}
				);
			}

			$(document).on('webkitAnimationEnd mozAnimationEnd msAnimationEnd animationend', '.animated', function() {
				var el = $(this);
				if (!el.attr('id') || el.attr('id').indexOf('test-') === 0) return false;
				if (el.attr('id') === 'setup-' + current) {
					var first = el.find('input:first');
					if (first.length) {
						first[0].focus();
					}
					if (current === 'test') {
						test();
					}
				} else {
					el.hide();
				}
			});

			next();

			$('button').click(function() {
				if (hold) return;

				if ($(this).data('step') === 'test') {
					test();
					return;
				}

				if ($(this).data('step') === 'done') {
					location.href = "admin/";
					return;
				}
				var valid = true;
				$('.form-error-msg').remove();

				$('input:visible').each(function() {
					if ($(this).val().trim() === '' && !$(this).data('optional')) {
						$(this).parent().append(
							$('<span/>').addClass('form-error-msg').css('display', 'inline').text('This field cannot be left blank')
						);
						this.focus();
						valid = false;
						return false;
					} else if ($(this).attr('type') === 'email' && !$(this).val().trim().match(/^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,}$/i)) {
						$(this).parent().append(
							$('<span/>').addClass('form-error-msg').css('display', 'inline').text('Not a valid email address')
						);
						this.focus();
						valid = false;
						return false;
					}
				});

				if (valid) {
					if ($(this).data('step') === 3) {
						$.post('index.php', {
							database_check: true,
							host: $('#database_hostname').val().trim(),
							user: $('#database_username').val().trim(),
							password: $('#database_password').val().trim(),
							name: $('#database_name').val().trim(),
							prefix: $('#database_prefix').val().trim()
						}, function(data) {
							if (data.error || !data.driver) {
								$('#setup-db header').after(
									$('<div/>').addClass('database-error-msg').append( $('<span/>').addClass('form-error-msg').css('display', 'inline').text('Database connection error: ' + data.error) )
								)
							} else {
								database.driver = data.driver;
								database.host = data.host;
								database.user = $('#database_username').val().trim();
								database.password = $('#database_password').val().trim();
								database.name = $('#database_name').val().trim();
								database.prefix = $('#database_prefix').val().trim();
								next();
							}
						});
					} else {
						next();

						if ($(this).data('step') === 5) {
							$('#subscribe').val( $('#email').val().trim() );
						}

						if ($(this).data('step') === 6 && $(this).data('subscribe') === true) {
							payload.subscribe = $('#subscribe').val();
						}

						if ($(this).data('step') === 7) {
							hold = true;

							payload.timezone = $('#tz').val();
							payload.first_name = $('#first_name').val().trim();
							payload.last_name = $('#last_name').val().trim();
							payload.email = $('#email').val().trim();
							payload.password = $('#password').val().trim();
							$.post('index.php', database, function(data) {
								if (data.success) {
									$.post('api.php?/install/complete', payload, function(data) {
										if (data.success) {
											next();
											hold = false;
										}
									});
								} else {

								}
							});
						}

					}
				} else {
					return false;
				}
			});
		});

		/*! jsTimezoneDetect - v1.0.5 - 2013-04-01 */
		(function(e){var t=function(){"use strict";var e="s",n=2011,r=function(e){var t=-e.getTimezoneOffset();return t!==null?t:0},i=function(e,t,n){var r=new Date;return e!==undefined&&r.setFullYear(e),r.setDate(n),r.setMonth(t),r},s=function(e){return r(i(e,0,2))},o=function(e){return r(i(e,5,2))},u=function(e){var t=e.getMonth()>7?o(e.getFullYear()):s(e.getFullYear()),n=r(e);return t-n!==0},a=function(){var t=s(n),r=o(n),i=t-r;return i<0?t+",1":i>0?r+",1,"+e:t+",0"},f=function(){var e=a();return new t.TimeZone(t.olson.timezones[e])},l=function(e){var t=new Date(2010,6,15,1,0,0,0),n={"America/Denver":new Date(2011,2,13,3,0,0,0),"America/Mazatlan":new Date(2011,3,3,3,0,0,0),"America/Chicago":new Date(2011,2,13,3,0,0,0),"America/Mexico_City":new Date(2011,3,3,3,0,0,0),"America/Asuncion":new Date(2012,9,7,3,0,0,0),"America/Santiago":new Date(2012,9,3,3,0,0,0),"America/Campo_Grande":new Date(2012,9,21,5,0,0,0),"America/Montevideo":new Date(2011,9,2,3,0,0,0),"America/Sao_Paulo":new Date(2011,9,16,5,0,0,0),"America/Los_Angeles":new Date(2011,2,13,8,0,0,0),"America/Santa_Isabel":new Date(2011,3,5,8,0,0,0),"America/Havana":new Date(2012,2,10,2,0,0,0),"America/New_York":new Date(2012,2,10,7,0,0,0),"Asia/Beirut":new Date(2011,2,27,1,0,0,0),"Europe/Helsinki":new Date(2011,2,27,4,0,0,0),"Europe/Istanbul":new Date(2011,2,28,5,0,0,0),"Asia/Damascus":new Date(2011,3,1,2,0,0,0),"Asia/Jerusalem":new Date(2011,3,1,6,0,0,0),"Asia/Gaza":new Date(2009,2,28,0,30,0,0),"Africa/Cairo":new Date(2009,3,25,0,30,0,0),"Pacific/Auckland":new Date(2011,8,26,7,0,0,0),"Pacific/Fiji":new Date(2010,10,29,23,0,0,0),"America/Halifax":new Date(2011,2,13,6,0,0,0),"America/Goose_Bay":new Date(2011,2,13,2,1,0,0),"America/Miquelon":new Date(2011,2,13,5,0,0,0),"America/Godthab":new Date(2011,2,27,1,0,0,0),"Europe/Moscow":t,"Asia/Yekaterinburg":t,"Asia/Omsk":t,"Asia/Krasnoyarsk":t,"Asia/Irkutsk":t,"Asia/Yakutsk":t,"Asia/Vladivostok":t,"Asia/Kamchatka":t,"Europe/Minsk":t,"Pacific/Apia":new Date(2010,10,1,1,0,0,0),"Australia/Perth":new Date(2008,10,1,1,0,0,0)};return n[e]};return{determine:f,date_is_dst:u,dst_start_for:l}}();t.TimeZone=function(e){"use strict";var n={"America/Denver":["America/Denver","America/Mazatlan"],"America/Chicago":["America/Chicago","America/Mexico_City"],"America/Santiago":["America/Santiago","America/Asuncion","America/Campo_Grande"],"America/Montevideo":["America/Montevideo","America/Sao_Paulo"],"Asia/Beirut":["Asia/Beirut","Europe/Helsinki","Europe/Istanbul","Asia/Damascus","Asia/Jerusalem","Asia/Gaza"],"Pacific/Auckland":["Pacific/Auckland","Pacific/Fiji"],"America/Los_Angeles":["America/Los_Angeles","America/Santa_Isabel"],"America/New_York":["America/Havana","America/New_York"],"America/Halifax":["America/Goose_Bay","America/Halifax"],"America/Godthab":["America/Miquelon","America/Godthab"],"Asia/Dubai":["Europe/Moscow"],"Asia/Dhaka":["Asia/Yekaterinburg"],"Asia/Jakarta":["Asia/Omsk"],"Asia/Shanghai":["Asia/Krasnoyarsk","Australia/Perth"],"Asia/Tokyo":["Asia/Irkutsk"],"Australia/Brisbane":["Asia/Yakutsk"],"Pacific/Noumea":["Asia/Vladivostok"],"Pacific/Tarawa":["Asia/Kamchatka"],"Pacific/Tongatapu":["Pacific/Apia"],"Africa/Johannesburg":["Asia/Gaza","Africa/Cairo"],"Asia/Baghdad":["Europe/Minsk"]},r=e,i=function(){var e=n[r],i=e.length,s=0,o=e[0];for(;s<i;s+=1){o=e[s];if(t.date_is_dst(t.dst_start_for(o))){r=o;return}}},s=function(){return typeof n[r]!="undefined"};return s()&&i(),{name:function(){return r}}},t.olson={},t.olson.timezones={"-720,0":"Pacific/Majuro","-660,0":"Pacific/Pago_Pago","-600,1":"America/Adak","-600,0":"Pacific/Honolulu","-570,0":"Pacific/Marquesas","-540,0":"Pacific/Gambier","-540,1":"America/Anchorage","-480,1":"America/Los_Angeles","-480,0":"Pacific/Pitcairn","-420,0":"America/Phoenix","-420,1":"America/Denver","-360,0":"America/Guatemala","-360,1":"America/Chicago","-360,1,s":"Pacific/Easter","-300,0":"America/Bogota","-300,1":"America/New_York","-270,0":"America/Caracas","-240,1":"America/Halifax","-240,0":"America/Santo_Domingo","-240,1,s":"America/Santiago","-210,1":"America/St_Johns","-180,1":"America/Godthab","-180,0":"America/Argentina/Buenos_Aires","-180,1,s":"America/Montevideo","-120,0":"America/Noronha","-120,1":"America/Noronha","-60,1":"Atlantic/Azores","-60,0":"Atlantic/Cape_Verde","0,0":"UTC","0,1":"Europe/London","60,1":"Europe/Berlin","60,0":"Africa/Lagos","60,1,s":"Africa/Windhoek","120,1":"Asia/Beirut","120,0":"Africa/Johannesburg","180,0":"Asia/Baghdad","210,1":"Asia/Tehran","240,0":"Asia/Dubai","240,1":"Asia/Baku","270,0":"Asia/Kabul","300,1":"Asia/Yekaterinburg","300,0":"Asia/Karachi","330,0":"Asia/Kolkata","345,0":"Asia/Kathmandu","360,0":"Asia/Dhaka","360,1":"Asia/Omsk","390,0":"Asia/Rangoon","420,1":"Asia/Krasnoyarsk","420,0":"Asia/Jakarta","480,0":"Asia/Shanghai","480,1":"Asia/Irkutsk","525,0":"Australia/Eucla","525,1,s":"Australia/Eucla","540,1":"Asia/Yakutsk","540,0":"Asia/Tokyo","570,0":"Australia/Darwin","570,1,s":"Australia/Adelaide","600,0":"Australia/Brisbane","600,1":"Asia/Vladivostok","600,1,s":"Australia/Sydney","630,1,s":"Australia/Lord_Howe","660,1":"Asia/Kamchatka","660,0":"Pacific/Noumea","690,0":"Pacific/Norfolk","720,1,s":"Pacific/Auckland","720,0":"Pacific/Tarawa","765,1,s":"Pacific/Chatham","780,0":"Pacific/Tongatapu","780,1,s":"Pacific/Apia","840,0":"Pacific/Kiritimati"},typeof exports!="undefined"?exports.jstz=t:e.jstz=t})(this);
	</script>
</head>
<body>

	<div id="progress-strip"><div id="progress"><span><span></span></span></div></div>

	<div id="container">

		<img id="logo" src="//s3.amazonaws.com/install.koken.me/img/koken_logo.svg" width="71" height="71" />

		<div id="content">

			<div id="setup-test">
				<header>

					<h1>Server test</h1>

					<div class="front">

						<div id="test-wrap">
							<div data-group="php" class="test"></div>
							<div data-group="permissions" class="test"></div>
							<div data-group="connection" class="test"></div>
							<div data-group="im" class="test"></div>
							<div data-group="browser" class="test"></div>
							<div data-group="loopback" class="test"></div>
						</div>

						<p id="test-wait">Testing your server for compatibility. Please wait...</p>

						<div id="test-failed">

							<div id="test-errors"></div>

							<div id="run-again" style="display:none" class="row button">

								<button data-step="test" title="Run serve test again">Run test again</button>

							</div>
						</div>

						<div id="test-passed">

							<div class="row button">

								<button data-step="1" title="Next step">Begin installation</button>

							</div>

							<div class="row" style="margin-top:3em;">

							<p class="mute small">
								By installing this application you agree to our<br><a href="http://koken.me/eula.html" title="View Koken License Agreement in separate window" onclick="return !window.open(this.href);">License Agreement</a> and <a href="http://koken.me/privacy.html" title="View Privacy Policy in separate window" onclick="return !window.open(this.href);">Privacy Policy</a>.
							</p>

							</div>

						</div>

				</header>
			</div>

			<div id="setup-admin">

				<header>

					<h1>Setup user</h1>
					<p>This will be the administrator for this installation.</p>

				</header>

				<div class="col-half lcol">

					<div class="row">
						<label for="first_name">First name</label>
						<input id="first_name" type="text" />
					</div>

					<div class="row">
						<label for="last_name">Last name</label>
						<input id="last_name" type="text" />
					</div>

				</div>

				<div class="col-half rcol">

					<div class="row">
						<label for="email">Email</label>
						<input id="email" type="email" placeholder="you@domain.com" />
					</div>

					<div class="row">
						<label for="password">Password</label>
						<input id="password" type="password" />
					</div>

				</div>

				<div class="col-full">

					<div class="row button">

						<button data-step="2" title="Next step">Next &rarr;</button>

					</div>

				</div>

			</div> <!-- close #setup-admin -->

			<div id="setup-db">

				<header>

					<h1>Connect to database</h1>
					<p>Enter your MySQL database information.</p>

				</header>

				<div class="col-half lcol">

					<div class="row">
						<label for="database_hostname">Hostname</label>
						<input id="database_hostname" type="text" />

					</div>

					<div class="row">
						<label for="database_name">Database name</label>
						<input id="database_name" type="text" />
					</div>

				</div>

				<div class="col-half rcol">

					<div class="row">
						<label for="database_username">Username</label>
						<input id="database_username" type="text" />
					</div>

					<div class="row">
						<label for="database_password">Password</label>
						<input id="database_password" type="password" data-optional="true" />
					</div>

				</div>

				<div class="col-half lcol">

					<div class="row">
						<a href="#" class="toggle" title="View advanced options">Advanced options</a>
					</div>

					<div class="row" style="display:none">
						<label for="database_prefix">Table prefix</label>
						<input id="database_prefix" type="text" value="koken_" />
					</div>

				</div>

				<div class="col-full">

					<div class="row button">

						<button data-step="3" title="Next step">Next &rarr;</button>

					</div>

				</div>

			</div> <!-- close #setup-db -->

			<div id="setup-dl">

				<header>

					<h1>Download and install</h1>
					<p>Ready to download and setup Koken. Click the button below to begin.<br>This should only take a few minutes.</p>

				</header>

				<!-- initial state -->
				<button data-step="7" title="Install it">Install now</button>

				<!-- download progress -->
				<div class="col-half" style="display:none;">
					<h2>Downloading...</h2>
				</div>

			</div> <!-- close #setup-dl -->

			<div id="setup-opt">

				<header>

					<h1>Set timezone</h1>
					<p>We guessed your timezone. Edit if necessary.</p>

				</header>

				<div class="col-full">

					<div class="row">
						<label for="tz">Time zone</label>
						<select id="tz">
						</select>
					</div>

				</div>

				<div class="col-full">

					<div class="row button">
						<button data-step="5" title="Next step">Next &rarr;</button>
					</div>

				</div>

			</div> <!-- close #setup-opt -->

			<div id="setup-signup">

				<header>

					<h1>Keep in touch</h1>

					<p>
						Our email newsletter contains the latest news, announcements and special offers.<br>Keep in touch by adding your email address below.
					</p>

				</header>

				<div class="row">

					<input id="subscribe" type="email" class="half" />

				</div>

				<div class="row button">

					<button data-step="6" class="sec" title="No thanks" data-subscribe="false">No thanks</button>&nbsp;&nbsp;<button data-step="6" title="Sign up" data-subscribe="true">Yes, sign me up</button>

				</div>

			</div> <!-- close #setup-signup -->

			<div id="setup-wait">

				<header>

					<h1>Installing...</h1>
					<p>Fetching the latest version of Koken. Please wait...</p>

				</header>

			</div> <!-- close #setup-wait -->

			<div id="setup-final">

				<header>

					<h1>Installation complete</h1>

					<p>
						All done. Click the button below to start using Koken.
					</p>

				</header>

				<div class="col-full">

					<div class="row button">
						<button data-step="done" title="Start using Koken">Start</button>
					</div>

				</div>

			</div> <!-- close #setup-final -->

		</div> <!-- close #content -->

	</div> <!-- close #container -->

</body>

</html>