<?php
namespace Sabre\HTTP;
/**
* This class represents a single HTTP response.
*
* @copyright Copyright (C) fruux GmbH (https://fruux.com/)
* @author Evert Pot (http://evertpot.com/)
* @license http://sabre.io/license/ Modified BSD License
*/
class Response extends Message implements ResponseInterface {
/**
* This is the list of currently registered HTTP status codes.
*
* @var array
*/
static $statusCodes = [
100 => 'Continue',
101 => 'Switching Protocols',
102 => 'Processing',
200 => 'OK',
201 => 'Created',
202 => 'Accepted',
203 => 'Non-Authorative Information',
204 => 'No Content',
205 => 'Reset Content',
206 => 'Partial Content',
207 => 'Multi-Status', // RFC 4918
208 => 'Already Reported', // RFC 5842
226 => 'IM Used', // RFC 3229
300 => 'Multiple Choices',
301 => 'Moved Permanently',
302 => 'Found',
303 => 'See Other',
304 => 'Not Modified',
305 => 'Use Proxy',
307 => 'Temporary Redirect',
308 => 'Permanent Redirect',
400 => 'Bad Request',
401 => 'Unauthorized',
402 => 'Payment Required',
403 => 'Forbidden',
404 => 'Not Found',
405 => 'Method Not Allowed',
406 => 'Not Acceptable',
407 => 'Proxy Authentication Required',
408 => 'Request Timeout',
409 => 'Conflict',
410 => 'Gone',
411 => 'Length Required',
412 => 'Precondition failed',
413 => 'Request Entity Too Large',
414 => 'Request-URI Too Long',
415 => 'Unsupported Media Type',
416 => 'Requested Range Not Satisfiable',
417 => 'Expectation Failed',
418 => 'I\'m a teapot', // RFC 2324
421 => 'Misdirected Request', // RFC7540 (HTTP/2)
422 => 'Unprocessable Entity', // RFC 4918
423 => 'Locked', // RFC 4918
424 => 'Failed Dependency', // RFC 4918
426 => 'Upgrade Required',
428 => 'Precondition Required', // RFC 6585
429 => 'Too Many Requests', // RFC 6585
431 => 'Request Header Fields Too Large', // RFC 6585
451 => 'Unavailable For Legal Reasons', // draft-tbray-http-legally-restricted-status
500 => 'Internal Server Error',
501 => 'Not Implemented',
502 => 'Bad Gateway',
503 => 'Service Unavailable',
504 => 'Gateway Timeout',
505 => 'HTTP Version not supported',
506 => 'Variant Also Negotiates',
507 => 'Insufficient Storage', // RFC 4918
508 => 'Loop Detected', // RFC 5842
509 => 'Bandwidth Limit Exceeded', // non-standard
510 => 'Not extended',
511 => 'Network Authentication Required', // RFC 6585
];
/**
* HTTP status code
*
* @var int
*/
protected $status;
/**
* HTTP status text
*
* @var string
*/
protected $statusText;
/**
* Creates the response object
*
* @param string|int $status
* @param array $headers
* @param resource $body
* @return void
*/
function __construct($status = null, array $headers = null, $body = null) {
if (!is_null($status)) $this->setStatus($status);
if (!is_null($headers)) $this->setHeaders($headers);
if (!is_null($body)) $this->setBody($body);
}
/**
* Returns the current HTTP status code.
*
* @return int
*/
function getStatus() {
return $this->status;
}
/**
* Returns the human-readable status string.
*
* In the case of a 200, this may for example be 'OK'.
*
* @return string
*/
function getStatusText() {
return $this->statusText;
}
/**
* Sets the HTTP status code.
*
* This can be either the full HTTP status code with human readable string,
* for example: "403 I can't let you do that, Dave".
*
* Or just the code, in which case the appropriate default message will be
* added.
*
* @param string|int $status
* @throws \InvalidArgumentExeption
* @return void
*/
function setStatus($status) {
if (ctype_digit($status) || is_int($status)) {
$statusCode = $status;
$statusText = isset(self::$statusCodes[$status]) ? self::$statusCodes[$status] : 'Unknown';
} else {
list(
$statusCode,
$statusText
) = explode(' ', $status, 2);
}
if ($statusCode < 100 || $statusCode > 999) {
throw new \InvalidArgumentException('The HTTP status code must be exactly 3 digits');
}
$this->status = $statusCode;
$this->statusText = $statusText;
}
/**
* Serializes the response object as a string.
*
* This is useful for debugging purposes.
*
* @return string
*/
function __toString() {
$str = 'HTTP/' . $this->httpVersion . ' ' . $this->getStatus() . ' ' . $this->getStatusText() . "\r\n";
foreach ($this->getHeaders() as $key => $value) {
foreach ($value as $v) {
$str .= $key . ": " . $v . "\r\n";
}
}
$str .= "\r\n";
$str .= $this->getBodyAsString();
return $str;
}
}
