File "ValidateSignature.php"
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<?php
namespace Illuminate\Routing\Middleware;
use Closure;
use Illuminate\Routing\Exceptions\InvalidSignatureException;
use Illuminate\Support\Arr;
class ValidateSignature
{
/**
* The names of the parameters that should be ignored.
*
* @var array<int, string>
*/
protected $ignore = [
//
];
/**
* Specify that the URL signature is for a relative URL.
*
* @param array|string $ignore
* @return string
*/
public static function relative($ignore = [])
{
$ignore = Arr::wrap($ignore);
return static::class.':'.implode(',', empty($ignore) ? ['relative'] : ['relative', ...$ignore]);
}
/**
* Specify that the URL signature is for an absolute URL.
*
* @param array|string $ignore
* @return class-string
*/
public static function absolute($ignore = [])
{
$ignore = Arr::wrap($ignore);
return empty($ignore)
? static::class
: static::class.':'.implode(',', $ignore);
}
/**
* Handle an incoming request.
*
* @param \Illuminate\Http\Request $request
* @param \Closure $next
* @param array|null $args
* @return \Illuminate\Http\Response
*
* @throws \Illuminate\Routing\Exceptions\InvalidSignatureException
*/
public function handle($request, Closure $next, ...$args)
{
[$relative, $ignore] = $this->parseArguments($args);
if ($request->hasValidSignatureWhileIgnoring($ignore, ! $relative)) {
return $next($request);
}
throw new InvalidSignatureException;
}
/**
* Parse the additional arguments given to the middleware.
*
* @param array $args
* @return array
*/
protected function parseArguments(array $args)
{
$relative = ! empty($args) && $args[0] === 'relative';
if ($relative) {
array_shift($args);
}
$ignore = array_merge(
property_exists($this, 'except') ? $this->except : $this->ignore,
$args
);
return [$relative, $ignore];
}
}