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الملفات الموجودة في هذا الـ Path:
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AbstractSerializer.php
CallbackStream.php
ConfigProvider.php
Exception
HeaderSecurity.php
MessageTrait.php
Module.php
RelativeStream.php
Request
Request.php
RequestFactory.php
RequestTrait.php
Response
Response.php
ResponseFactory.php
ServerRequest.php
ServerRequestFactory.php
ServerRequestFilter
Stream.php
StreamFactory.php
UploadedFile.php
UploadedFileFactory.php
Uri.php
UriFactory.php
functions
مشاهدة ملف: RequestTrait.php
<?php
declare(strict_types=1);
namespace Laminas\Diactoros;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\StreamInterface;
use Psr\Http\Message\UriInterface;
use function array_keys;
use function is_string;
use function preg_match;
use function sprintf;
use function strtolower;
/**
* Trait with common request behaviors.
*
* Server and client-side requests differ slightly in how the Host header is
* handled; on client-side, it should be calculated on-the-fly from the
* composed URI (if present), while on server-side, it will be calculated from
* the environment. As such, this trait exists to provide the common code
* between both client-side and server-side requests, and each can then
* use the headers functionality required by their implementations.
*/
trait RequestTrait
{
use MessageTrait;
/** @var string */
private $method = 'GET';
/**
* The request-target, if it has been provided or calculated.
*
* @var null|string
*/
private $requestTarget;
/** @var UriInterface */
private $uri;
/**
* Initialize request state.
*
* Used by constructors.
*
* @param null|string|UriInterface $uri URI for the request, if any.
* @param null|string $method HTTP method for the request, if any.
* @param string|resource|StreamInterface $body Message body, if any.
* @param array $headers Headers for the message, if any.
* @throws Exception\InvalidArgumentException For any invalid value.
*/
private function initialize(
$uri = null,
?string $method = null,
$body = 'php://memory',
array $headers = []
): void {
if ($method !== null) {
$this->setMethod($method);
}
$this->uri = $this->createUri($uri);
$this->stream = $this->getStream($body, 'wb+');
$this->setHeaders($headers);
// per PSR-7: attempt to set the Host header from a provided URI if no
// Host header is provided
if (! $this->hasHeader('Host') && $this->uri->getHost()) {
$this->headerNames['host'] = 'Host';
$this->headers['Host'] = [$this->getHostFromUri()];
}
}
/**
* Create and return a URI instance.
*
* If `$uri` is a already a `UriInterface` instance, returns it.
*
* If `$uri` is a string, passes it to the `Uri` constructor to return an
* instance.
*
* If `$uri is null, creates and returns an empty `Uri` instance.
*
* Otherwise, it raises an exception.
*
* @throws Exception\InvalidArgumentException
*/
private function createUri(null|string|UriInterface $uri): UriInterface
{
if ($uri instanceof UriInterface) {
return $uri;
}
if (is_string($uri)) {
return new Uri($uri);
}
return new Uri();
}
/**
* Retrieves the message's request target.
*
* Retrieves the message's request-target either as it will appear (for
* clients), as it appeared at request (for servers), or as it was
* specified for the instance (see withRequestTarget()).
*
* In most cases, this will be the origin-form of the composed URI,
* unless a value was provided to the concrete implementation (see
* withRequestTarget() below).
*
* If no URI is available, and no request-target has been specifically
* provided, this method MUST return the string "/".
*/
public function getRequestTarget(): string
{
if (null !== $this->requestTarget) {
return $this->requestTarget;
}
$target = $this->uri->getPath();
if ($this->uri->getQuery()) {
$target .= '?' . $this->uri->getQuery();
}
if (empty($target)) {
$target = '/';
}
return $target;
}
/**
* Create a new instance with a specific request-target.
*
* If the request needs a non-origin-form request-target — e.g., for
* specifying an absolute-form, authority-form, or asterisk-form —
* this method may be used to create an instance with the specified
* request-target, verbatim.
*
* This method MUST be implemented in such a way as to retain the
* immutability of the message, and MUST return a new instance that has the
* changed request target.
*
* @link http://tools.ietf.org/html/rfc7230#section-2.7 (for the various
* request-target forms allowed in request messages)
*
* @throws Exception\InvalidArgumentException If the request target is invalid.
* @return static
*/
public function withRequestTarget(string $requestTarget): RequestInterface
{
if (preg_match('#\s#', $requestTarget)) {
throw new Exception\InvalidArgumentException(
'Invalid request target provided; cannot contain whitespace'
);
}
$new = clone $this;
$new->requestTarget = $requestTarget;
return $new;
}
/**
* Retrieves the HTTP method of the request.
*
* @return string Returns the request method.
*/
public function getMethod(): string
{
return $this->method;
}
/**
* Return an instance with the provided HTTP method.
*
* While HTTP method names are typically all uppercase characters, HTTP
* method names are case-sensitive and thus implementations SHOULD NOT
* modify the given string.
*
* This method MUST be implemented in such a way as to retain the
* immutability of the message, and MUST return an instance that has the
* changed request method.
*
* @param string $method Case-insensitive method.
* @throws Exception\InvalidArgumentException For invalid HTTP methods.
* @return static
*/
public function withMethod(string $method): RequestInterface
{
$new = clone $this;
$new->setMethod($method);
return $new;
}
/**
* Retrieves the URI instance.
*
* This method MUST return a UriInterface instance.
*
* @link http://tools.ietf.org/html/rfc3986#section-4.3
*
* @return UriInterface Returns a UriInterface instance
* representing the URI of the request, if any.
*/
public function getUri(): UriInterface
{
return $this->uri;
}
/**
* Returns an instance with the provided URI.
*
* This method will update the Host header of the returned request by
* default if the URI contains a host component. If the URI does not
* contain a host component, any pre-existing Host header will be carried
* over to the returned request.
*
* You can opt-in to preserving the original state of the Host header by
* setting `$preserveHost` to `true`. When `$preserveHost` is set to
* `true`, the returned request will not update the Host header of the
* returned message -- even if the message contains no Host header. This
* means that a call to `getHeader('Host')` on the original request MUST
* equal the return value of a call to `getHeader('Host')` on the returned
* request.
*
* This method MUST be implemented in such a way as to retain the
* immutability of the message, and MUST return an instance that has the
* new UriInterface instance.
*
* @link http://tools.ietf.org/html/rfc3986#section-4.3
*
* @param UriInterface $uri New request URI to use.
* @param bool $preserveHost Preserve the original state of the Host header.
* @return static
*/
public function withUri(UriInterface $uri, bool $preserveHost = false): RequestInterface
{
$new = clone $this;
$new->uri = $uri;
if ($preserveHost && $this->hasHeader('Host')) {
return $new;
}
if (! $uri->getHost()) {
return $new;
}
$host = $uri->getHost();
if ($uri->getPort()) {
$host .= ':' . $uri->getPort();
}
$new->headerNames['host'] = 'Host';
// Remove an existing host header if present, regardless of current
// de-normalization of the header name.
// @see https://github.com/zendframework/zend-diactoros/issues/91
foreach (array_keys($new->headers) as $header) {
if (strtolower($header) === 'host') {
unset($new->headers[$header]);
}
}
$new->headers['Host'] = [$host];
return $new;
}
/**
* Set and validate the HTTP method
*
* @throws Exception\InvalidArgumentException On invalid HTTP method.
*/
private function setMethod(string $method): void
{
if (! preg_match('/^[!#$%&\'*+.^_`\|~0-9a-z-]+$/i', $method)) {
throw new Exception\InvalidArgumentException(sprintf(
'Unsupported HTTP method "%s" provided',
$method
));
}
$this->method = $method;
}
/**
* Retrieve the host from the URI instance
*/
private function getHostFromUri(): string
{
$host = $this->uri->getHost();
$host .= $this->uri->getPort() ? ':' . $this->uri->getPort() : '';
return $host;
}
}