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<?php declare(strict_types=1); |
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use Koded\Http\{HTTPBadRequest, HttpFactory, HTTPMethodNotAllowed, HTTPNotFound, HTTPNotImplemented, ServerResponse}; |
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use Koded\Http\Client\ClientFactory; |
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use Koded\Http\Interfaces\{ClientType, HttpStatus}; |
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use Psr\Http\Message\ResponseInterface; |
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use function Koded\Http\create_stream; |
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function path_not_found(string $path): callable |
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{ |
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throw new HTTPNotFound(instance: $path); |
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} |
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function bad_request(...$args): callable |
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{ |
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throw new HTTPBadRequest(...$args); |
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} |
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function method_not_allowed(array $allowed): callable |
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{ |
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throw new HTTPMethodNotAllowed($allowed); |
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} |
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function no_app_routes(): callable |
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{ |
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throw (new HTTPNotImplemented( |
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title: 'No Routes', |
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detail: 'No routes are defined in your application', |
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type: 'https://kodeart.github.io/koded/routing/' |
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)) |
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->setMember('framework', 'Koded Framework') |
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->setMember('version', get_version()); |
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} |
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/** |
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* Creates a responder for HTTP HEAD method. |
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* |
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* @param string $uri |
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* @param array $methods |
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* @return callable |
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*/ |
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function head_response(string $uri, array $methods): callable |
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{ |
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return function () use ($uri, $methods): ResponseInterface { |
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empty($methods) and $methods = ['HEAD', 'OPTIONS']; |
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if (false === in_array('GET', $methods)) { |
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return (new ServerResponse)->withHeader('Allow', $methods); |
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} |
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$get = (new ClientFactory( |
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function_exists('curl_init') |
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? ClientType::CURL |
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: ClientType::PHP |
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)) |
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->get($uri, ['Connection' => 'close']) |
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->timeout(5) |
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->read() |
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->withoutHeader('Set-Cookie') |
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->withHeader('Allow', join(',', $methods)); |
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if ($get->getStatusCode() < HttpStatus::BAD_REQUEST) { |
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return $get; |
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} |
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// If GET request fails, it returns the Allow header |
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// with the failure reason in the "X-Error-*" headers |
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error_log($get->getBody()->getContents()); |
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return $get |
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->withHeader('X-Error-Status', join(' ', [$get->getStatusCode(), $get->getReasonPhrase()])) |
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->withHeader('X-Error-Message', str_replace(["\n", "\r", "\t"], ' ', $get->getBody())) |
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->withStatus(HttpStatus::OK) |
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->withBody(create_stream('')); |
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}; |
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} |
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/** |
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* Creates a responder for HTTP OPTIONS method. |
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* This method does not return the Origin header, because it may |
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* be a CORS request which should be handled by the middleware. |
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* |
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* @param array $methods Supported HTTP methods for the URI in question |
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* @return callable The responder for the OPTIONS method |
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* @link https://developer.mozilla.org/en-US/docs/Web/HTTP/Methods/OPTIONS |
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*/ |
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function create_options_response(array $methods): callable |
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{ |
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return fn(): ResponseInterface => (new HttpFactory) |
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->createResponse(HttpStatus::NO_CONTENT) |
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->withHeader('Cache-Control', 'no-cache, max-age=0') |
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->withHeader('Allow', join(',', $methods)) |
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->withHeader('Content-Type', 'text/plain'); |
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} |
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/** |
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* Maps the HTTP methods to responder (public) methods. |
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* |
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* @param callable|object|string $resource |
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* @return array|callable[]|object[]|string[] |
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*/ |
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function map_http_methods(callable|object|string $resource): array |
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{ |
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$map = [ |
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'HEAD' => 'head', |
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'OPTIONS' => 'options' |
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]; |
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foreach ([ |
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'GET', |
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'POST', |
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'PUT', |
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'PATCH', |
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'DELETE' |
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] as $method) { |
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if (method_exists($resource, $method)) { |
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$map = [$method => strtolower($method)] + $map; |
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} elseif (is_callable($resource)) { |
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$map = [$method => $resource] + $map; |
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} |
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} |
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return $map; |
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} |
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kodeart /
koded
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