Translate apache2 config files to nginx ones

apache2nginx.php

<?php

if (count($argv) < 2) {
	echo 'Usage: ', $argv[0], ' <apache config files>', PHP_EOL;
	exit(1);
}

array_shift($argv);
$dir = getcwd() . DIRECTORY_SEPARATOR;

foreach ($argv as $filename) {
	echo 'Reading file: ', $filename, PHP_EOL;
	if (!file_exists($filename)) {
		echo "\t", 'No file!', PHP_EOL;
		continue;
	}

	$contents = file_get_contents($filename);

	$root = null;
	$serverNames = null;
	$match = null;
	if (preg_match_all('/(\s*#\s*)?(ServerName|ServerAlias)\s+([^\s]+)/ui', $contents, $match)) {
		foreach ($match[3] as $index => $serverName) {
			// Если не комментарий, берём имя хоста
			if (trim($match[1][$index]) !== '#') {
				$serverNames []= $serverName;
			}
		}
	}

	if (preg_match_all('/(\s*#\s*)?(DocumentRoot)\s+([^\s]+)/ui', $contents, $match)) {
		foreach ($match[3] as $index => $documentRoot) {
			// Если не комментарий, берём имя хоста
			if (trim($match[1][$index]) !== '#') {
				$root = $documentRoot;
			}
		}
	}

	if (!$root) {
		echo "\t", 'Root path not found!', PHP_EOL;
		continue;
	}

	if (!$serverNames) {
		echo "\t", 'Server names not found!', PHP_EOL;
		continue;
	}


	echo "\t", 'Root: ', $root, PHP_EOL;
	echo "\t", 'Server names: ', implode(' ', $serverNames), PHP_EOL;

	$outFile = preg_replace(['/\.apache\.conf$/ui', '/\.apache$/ui', '/\.conf$/ui'], '', $filename) . '.nginx';
	$outFile = $dir . pathinfo($outFile, PATHINFO_BASENAME);
	echo "\t", 'Writing file: ', $outFile, PHP_EOL;
	file_put_contents($outFile, nginxTemplate($root, $serverNames));
}


/**
 * Получает конфигурацию nginx для заданной корневой директории и имён сервера.
 * @param string   $root
 * @param string[] $serverNames
 * @return string
 */
function nginxTemplate($root, $serverNames)
{
	return sprintf(
		<<<'TPL'
server {
	# Имя сервера
	server_name %s;

	# Базовая директория и индексные файлы
	index index.html index.htm index.php;

	charset utf-8;

	# Статика
	location ~* \.(htm|html|txt|css|js|svg|jpg|jpeg|gif|png|bmp|ico|swf|pdf|eot|woff|woff2)$ {
		root %s;
		# Время жизни браузерного кеша
		#expires 14d;
	}

	# Запрещаем доступ к файлам, начинающимся с .ht: .htaccess, .htpass и прочие
	# Нужно при одновременном запуске Nginx и Apache2
	location ~ /\.ht {
		deny all;
	}

	# Динамику отдаём Апачу
	location / {
		# First attempt to serve request as file, then
		# as directory, then fall back to displaying a 404.
		#try_files $uri $uri/ /index.html /index.php;
		# Uncomment to enable naxsi on this location
		# include /etc/nginx/naxsi.rules

		proxy_pass http://localhost:8080/;

		proxy_set_header Host $host;
		proxy_set_header X-Forwarded-For $remote_addr;
		proxy_set_header X-Forwarded-Proto $scheme;

		proxy_connect_timeout 120;
		proxy_send_timeout 120;
		proxy_read_timeout 180;
	}


	#error_page 404 /404.html;

	# redirect server error pages to the static page /50x.html
	#error_page 500 502 503 504 /50x.html;
	#location = /50x.html {
	#	root /usr/share/nginx/www;
	#}

	# pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
	#
	#location ~ \.php$ {
	#	fastcgi_split_path_info ^(.+\.php)(/.+)$;
	#	# NOTE: You should have "cgi.fix_pathinfo = 0;" in php.ini
	#
	#	# With php5-cgi alone:
	#	fastcgi_pass 127.0.0.1:9000;
	#	# With php5-fpm:
	#	fastcgi_pass unix:/var/run/php5-fpm.sock;
	#	fastcgi_index index.php;
	#	include fastcgi_params;
	#}

	# Порты. 80 — по умолчанию
	#listen   80; ## listen for ipv4; this line is default and implied
	#listen   [::]:80 default_server ipv6only=on; ## listen for ipv6
}
TPL
		,
		implode(' ', $serverNames),
		$root
	);
}