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yggverse 2024-04-26 23:53:06 +03:00
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src/nex.php Normal file
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<?php
// Load dependencies
require_once __DIR__ .
DIRECTORY_SEPARATOR . '..'.
DIRECTORY_SEPARATOR . 'vendor' .
DIRECTORY_SEPARATOR . 'autoload.php';
// Parse requested arguments
foreach ((array) $argv as $item)
{
if (preg_match('/^(?<key>[^=]+)=(?<value>.*)$/', $item, $argument))
{
switch ($argument['key'])
{
case 'host':
define(
'NEXT_HOST',
(string) $argument['value']
);
break;
case 'port':
define(
'NEXT_PORT',
(int) $argument['value']
);
break;
case 'path':
$path = rtrim(
$argument['value'],
DIRECTORY_SEPARATOR
) . DIRECTORY_SEPARATOR;
if (!is_dir($path) || !is_readable($path))
{
print(
_('path not accessible')
) . PHP_EOL;
exit;
}
define(
'NEXT_PATH',
(string) $path
);
break;
case 'file':
define(
'NEXT_FILE',
(string) $argument['value']
);
break;
case 'fail':
$fail = rtrim(
$argument['value'],
DIRECTORY_SEPARATOR
) . DIRECTORY_SEPARATOR;
if (!is_file($fail) || !is_readable($fail))
{
print(
_('fail template not accessible')
) . PHP_EOL;
exit;
}
define(
'NEXT_FAIL',
(string) file_get_contents(
$fail
)
);
break;
case 'list':
define(
'NEXT_LIST',
in_array(
mb_strtolower(
(string) $argument['value']
),
[
'true',
'yes',
'1'
]
)
);
break;
case 'size':
define(
'NEXT_SIZE',
(int) $argument['value']
);
break;
case 'dump':
define(
'NEXT_DUMP',
(string) $argument['value']
);
break;
}
}
}
// Validate required arguments and set optional defaults
if (!defined('NEXT_HOST')) define('NEXT_HOST', '127.0.0.1');
if (!defined('NEXT_PORT')) define('NEXT_PORT', 1900);
if (!defined('NEXT_PATH'))
{
print(
_('path required')
) . PHP_EOL;
exit;
}
if (!defined('NEXT_FILE')) define('NEXT_FILE', false);
if (!defined('NEXT_LIST')) define('NEXT_LIST', true);
if (!defined('NEXT_SIZE')) define('NEXT_SIZE', 1024);
if (!defined('NEXT_FAIL')) define('NEXT_FAIL', 'fail');
if (!defined('NEXT_DUMP')) define('NEXT_DUMP', '[{time}] [{code}] {host}:{port} {path} {goal}');
// Init server
$server = new \Yggverse\Nex\Server(
NEXT_HOST,
NEXT_PORT,
NEXT_SIZE
);
$server->start(
function (
string $request,
string $connect
): ?string
{
// Make goal request
$goal = preg_replace(
[
'/(^|\/)[\.]+/', // hidden items started with dot
'/[\.]+\//', // relative directory paths
'/[\/]+\//', // remove extra slashes
],
'/',
NEXT_PATH . trim(
$request
)
);
// Define response
$response = null;
// Directory request
if (is_dir($goal))
{
// Try index file first on enabled
if (NEXT_FILE && is_readable($goal . NEXT_FILE))
{
$response = file_get_contents(
$goal . NEXT_FILE
);
}
// Try directory listing on enabled
else if (NEXT_LIST && is_readable($goal))
{
$links = [];
foreach ((array) scandir($goal) as $link)
{
// Skip hidden entities and make sure the destination is accessible
if (!str_starts_with($link, '.') && is_readable($goal . $link))
{
// Directory
if (is_dir($link))
{
$links[] = sprintf(
'=> %s/',
$link
);
}
// File
else
{
$links[] = sprintf(
'=> %s',
$link
);
}
}
}
$response = implode(
PHP_EOL,
$links
);
}
}
// Try file
else if (is_readable($goal))
{
$response = file_get_contents(
$goal
);
}
// Dump request on enabled
if (NEXT_DUMP)
{
printf(
str_ireplace(
[
'{time}',
'{code}',
'{host}',
'{port}',
'{path}',
'{goal}',
],
[
date('c'),
(int) !empty($response),
parse_url($connect, PHP_URL_HOST),
parse_url($connect, PHP_URL_PORT),
empty($request) ? '/' : trim($request),
$goal
],
NEXT_DUMP
) . PHP_EOL
);
}
return empty($response) ? NEXT_FAIL : $response;
}
);