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update realpath builder

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yggverse 2024-04-27 21:10:28 +03:00
parent 1723cd3ed1
commit a22529a1a8
2 changed files with 76 additions and 68 deletions
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4
README.md
View File

@ -36,13 +36,13 @@ php src/nex.php host=127.0.0.1 port=1900 path=/target/dir
* `list` - show content listing in the requested directory (when index file not found), `yes` by default
* `fail` - **filepath** that contain failure text or template (e.g. `error.gmi`), `fail` text by default
* `size` - limit request length in bytes, `1024` by default
* `dump` - dump queries or set blank to disable, default: `[{time}] [{code}] {host}:{port} {path} {goal}`
* `dump` - dump queries or set blank to disable, default: `[{time}] [{code}] {host}:{port} {path} {real}`
* `{time}` - event time in `c` format
* `{code}` - formal response code: `1` - found, `0` - not found
* `{host}` - peer host
* `{port}` - peer port
* `{path}` - path requested
* `{goal}` - goal destination returned
* `{real}` - **realpath** returned
### Autostart

140
src/nex.php
View File

@ -167,7 +167,7 @@ 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}');
if (!defined('NEXT_DUMP')) define('NEXT_DUMP', '[{time}] [{code}] {host}:{port} {path} {real}');
// Init server
$server = new \Yggverse\Nex\Server(
@ -182,15 +182,11 @@ $server->start(
string $connect
): ?string
{
// Filter goal request
$goal = preg_replace(
[
'/\\\/', // unify separators
'/(^|\/)[\.]+/', // hidden items started with dot
'/[\.]+\//', // relative directory paths
'/[\/]+\//', // remove extra slashes
],
DIRECTORY_SEPARATOR,
// Define response
$response = null;
// Build realpath
$realpath = realpath(
NEXT_PATH . filter_var(
urldecode(
$request
@ -199,88 +195,100 @@ $server->start(
)
);
// Define response
$response = null;
// Directory request
if (is_dir($goal))
// Make sure directory path ending with slash
if (is_dir($realpath))
{
// Try index file first on enabled
if (NEXT_FILE && is_readable($goal . NEXT_FILE))
{
$response = file_get_contents(
$goal . NEXT_FILE
);
}
$realpath = rtrim(
$realpath,
DIRECTORY_SEPARATOR
) . DIRECTORY_SEPARATOR;
}
// Try directory listing on enabled
else if (NEXT_LIST && is_readable($goal))
// Validate realpath exists, started with path defined and destination resource is not hidden
if ($realpath && str_starts_with($realpath, NEXT_PATH) && !str_starts_with(basename($realpath), '.'))
{
// Try directory
if (is_dir($realpath))
{
$links = [];
foreach ((array) scandir($goal) as $link)
// Try index file first on enabled
if (NEXT_FILE && file_exists($realpath . NEXT_FILE) && is_readable($realpath . NEXT_FILE))
{
// Skip system entities
if (str_starts_with($link, '.'))
$response = file_get_contents(
$realpath . NEXT_FILE
);
}
// Try build directory listing on enabled
else if (NEXT_LIST)
{
$links = [];
foreach ((array) scandir($realpath) as $link)
{
// Keep parent navigation entities only
if ($link == '..' && $parent = realpath($goal . $link))
// Process system entities
if (str_starts_with($link, '.'))
{
if (str_starts_with($parent . DIRECTORY_SEPARATOR, NEXT_PATH))
// Parent navigation
if ($link == '..' && $parent = realpath($realpath . $link))
{
if (is_readable($parent))
$parent = rtrim(
$parent,
DIRECTORY_SEPARATOR
) . DIRECTORY_SEPARATOR;
if (str_starts_with($parent, NEXT_PATH))
{
$links[] = '=> ../';
}
}
continue; // skip everything else
}
continue;
}
// Directory
if (is_dir($realpath . $link))
{
if (is_readable($realpath . $link))
{
$links[] = sprintf(
'=> %s/',
urlencode(
$link
)
);
}
// Directory
if (is_dir($goal . $link))
{
if (is_readable($goal . $link))
continue;
}
// File
if (is_readable($realpath . $link))
{
$links[] = sprintf(
'=> %s/',
'=> %s',
urlencode(
$link
)
);
}
continue;
}
// File
if (is_readable($goal . $link))
{
$links[] = sprintf(
'=> %s',
urlencode(
$link
)
);
}
$response = implode(
PHP_EOL,
$links
);
}
}
$response = implode(
PHP_EOL,
$links
// Try file
else
{
$response = file_get_contents(
$realpath
);
}
}
// Try file
else if (is_readable($goal))
{
$response = file_get_contents(
$goal
);
}
// Dump request on enabled
if (NEXT_DUMP)
{
@ -292,7 +300,7 @@ $server->start(
'{host}',
'{port}',
'{path}',
'{goal}',
'{real}',
],
[
(string) date('c'),
@ -300,7 +308,7 @@ $server->start(
(string) parse_url($connect, PHP_URL_HOST),
(string) parse_url($connect, PHP_URL_PORT),
(string) str_replace('%', '%%', empty($request) ? '/' : trim($request)),
(string) str_replace('%', '%%', $goal)
(string) str_replace('%', '%%', $realpath)
],
NEXT_DUMP
) . PHP_EOL
@ -308,6 +316,6 @@ $server->start(
}
// Send response
return empty($response) ? NEXT_FAIL : $response;
return is_null($response) ? NEXT_FAIL : $response;
}
);