<?php
namespace Http\Message\Formatter;
use Http\Message\Formatter;
use Psr\Http\Message\MessageInterface;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;
/**
* A formatter that prints the complete HTTP message.
*
* @author Tobias Nyholm <tobias.nyholm@gmail.com>
*/
class FullHttpMessageFormatter implements Formatter
{
/**
* The maximum length of the body.
*
* @var int|null
*/
private $maxBodyLength;
/**
* @var string
*/
private $binaryDetectionRegex;
/**
* @param int|null $maxBodyLength
* @param string $binaryDetectionRegex By default, this is all non-printable ASCII characters and <DEL> except for \t, \r, \n
*/
public function __construct($maxBodyLength = 1000, string $binaryDetectionRegex = '/([\x00-\x09\x0C\x0E-\x1F\x7F])/')
{
$this->maxBodyLength = $maxBodyLength;
$this->binaryDetectionRegex = $binaryDetectionRegex;
}
public function formatRequest(RequestInterface $request)
{
$message = sprintf(
"%s %s HTTP/%s\n",
$request->getMethod(),
$request->getRequestTarget(),
$request->getProtocolVersion()
);
foreach ($request->getHeaders() as $name => $values) {
$message .= $name.': '.implode(', ', $values)."\n";
}
return $this->addBody($request, $message);
}
public function formatResponse(ResponseInterface $response)
{
$message = sprintf(
"HTTP/%s %s %s\n",
$response->getProtocolVersion(),
$response->getStatusCode(),
$response->getReasonPhrase()
);
foreach ($response->getHeaders() as $name => $values) {
$message .= $name.': '.implode(', ', $values)."\n";
}
return $this->addBody($response, $message);
}
/**
* Formats a response in context of its request.
*
* @return string
*/
public function formatResponseForRequest(ResponseInterface $response, RequestInterface $request)
{
return $this->formatResponse($response);
}
/**
* Add the message body if the stream is seekable.
*
* @param string $message
*
* @return string
*/
private function addBody(MessageInterface $request, $message)
{
$message .= "\n";
$stream = $request->getBody();
if (!$stream->isSeekable() || 0 === $this->maxBodyLength) {
// Do not read the stream
return $message;
}
$data = $stream->__toString();
$stream->rewind();
if (preg_match($this->binaryDetectionRegex, $data)) {
return $message.'[binary stream omitted]';
}
if (null === $this->maxBodyLength) {
return $message.$data;
}
return $message.mb_substr($data, 0, $this->maxBodyLength);
}
}