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<?php

namespace Docker\Http;

use Guzzle\Parser\UriTemplate\UriTemplate;

/**

* Docker\Http\Request

*/

class Request

{

/**

* @var string

*/

private $method;

/**

* @var string|array

*/

private $uri;

/**

* @var string

*/

private $protocolVersion = '1.1';

/**

* @var Docker\Http\HeaderBag

*/

public $headers;

/**

* @var string

*/

private $content;

/**

* @var Guzzle\Parser\UriTemplate\UriTemplate

*/

private $expander;

/**

* @var integer

*/

private $timeout;

/**

* @param string $method

* @param string|array $uri

* @param array $headers

* @param Guzzle\Parser\UriTemplate\UriTemplate $expander

*/

public function __construct($method, $uri, $headers = array(), $expander = null)

{

$this->method = strtolower($method);

$this->uri = $uri;

$this->expander = $expander ?: new UriTemplate();

$this->headers = new HeaderBag($headers);

# this is to make sure protocol specific headers are set/unset

$this->setProtocolVersion($this->protocolVersion);

}

/**

* @return string

*/

public function __toString()

{

$message = $this->getHeadersAsString();

$content = $this->getContent();

if (is_resource($this->getContent())) {

//Send as a chunked message

$content = stream_get_contents($this->getContent());

$message .= dechex(mb_strlen($content))."\n";

$message .= $content;

} elseif (strlen($this->getContent()) > 0) {

$message .= $this->getContent();

}

return $message;

}

/**

* @param integer $timeout

*

* @return Docker\Http\Request

*/

public function setTimeout($timeout = null)

{

$this->timeout = $timeout;

return $this;

}

/**

* @return integer

*/

public function getTimeout()

{

return $this->timeout;

}

/**

* @return string

*/

public function getRequestUri()

{

$requestUri = $this->uri;

if (is_array($requestUri)) {

$requestUri = $this->expander->expand($requestUri[0], $requestUri[1]);

}

return $requestUri;

}

/**

* Set the content of a request, if a stream is passed it will simply copy stream

*

* @param string|resource $content Content to send

* @param string $contentType

*

* @return Docker\Http\Request

*/

public function setContent($content, $contentType = null)

{

$this->content = $content;

if (is_string($content)) {

$this->headers->set('Content-Length', mb_strlen($content));

}

if (null !== $contentType) {

$this->headers->set('Content-Type', $contentType);

}

if (is_resource($content)) {

$this->headers->set('Transfer-Encoding', 'chunked');

}

return $this;

}

/**

* Get content of request

*

* @return string|resource

*/

public function getContent()

{

return $this->content;

}

/**

* @param string $protocolVersion

*

* @return Docker\Http\Request

*/

public function setProtocolVersion($protocolVersion)

{

$this->protocolVersion = $protocolVersion;

if ($protocolVersion === '1.1') {

$this->headers->set('Connection', 'close');

} else {

$this->headers->remove('Connection');

}

return $this;

}

/**

* Get http headers as a string

*

* @return string

*/

public function getHeadersAsString()

{

$message = vsprintf('%s %s HTTP/%s', [

strtoupper($this->method),

$this->getRequestUri(),

$this->protocolVersion

])."\r\n";

if (count($this->headers) > 0) {

$message .= $this->headers->format()."\r\n";

}

$message .= "\r\n";

return $message;

}

}