<?php

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/*

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* This file is part of the ManageWP Worker plugin.

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*

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* (c) ManageWP LLC <contact@managewp.com>

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*

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* For the full copyright and license information, please view the LICENSE

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* file that was distributed with this source code.

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*/

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class MWP_Http_Response implements MWP_Http_ResponseInterface

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{

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/**

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* Status codes translation table.

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*

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* The list of codes is complete according to the

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* {@link http://www.iana.org/assignments/http-status-codes/ Hypertext Transfer Protocol (HTTP) Status Code Registry}

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* (last updated 2012-02-13).

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*

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* Unless otherwise noted, the status code is defined in RFC2616.

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*

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* @var array

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*/

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public static $statusTexts = array(

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100 => 'Continue',

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101 => 'Switching Protocols',

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102 => 'Processing', // RFC2518

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200 => 'OK',

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201 => 'Created',

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202 => 'Accepted',

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203 => 'Non-Authoritative Information',

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204 => 'No Content',

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205 => 'Reset Content',

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206 => 'Partial Content',

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207 => 'Multi-Status', // RFC4918

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208 => 'Already Reported', // RFC5842

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226 => 'IM Used', // RFC3229

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300 => 'Multiple Choices',

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301 => 'Moved Permanently',

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302 => 'Found',

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303 => 'See Other',

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304 => 'Not Modified',

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305 => 'Use Proxy',

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306 => 'Reserved',

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307 => 'Temporary Redirect',

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308 => 'Permanent Redirect', // RFC7238

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400 => 'Bad Request',

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401 => 'Unauthorized',

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402 => 'Payment Required',

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403 => 'Forbidden',

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404 => 'Not Found',

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405 => 'Method Not Allowed',

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406 => 'Not Acceptable',

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407 => 'Proxy Authentication Required',

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408 => 'Request Timeout',

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409 => 'Conflict',

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410 => 'Gone',

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411 => 'Length Required',

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412 => 'Precondition Failed',

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413 => 'Request Entity Too Large',

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414 => 'Request-URI Too Long',

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415 => 'Unsupported Media Type',

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416 => 'Requested Range Not Satisfiable',

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417 => 'Expectation Failed',

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418 => 'I\'m a teapot', // RFC2324

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422 => 'Unprocessable Entity', // RFC4918

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423 => 'Locked', // RFC4918

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424 => 'Failed Dependency', // RFC4918

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425 => 'Reserved for WebDAV advanced collections expired proposal', // RFC2817

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426 => 'Upgrade Required', // RFC2817

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428 => 'Precondition Required', // RFC6585

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429 => 'Too Many Requests', // RFC6585

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431 => 'Request Header Fields Too Large', // RFC6585

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500 => 'Internal Server Error',

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501 => 'Not Implemented',

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502 => 'Bad Gateway',

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503 => 'Service Unavailable',

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504 => 'Gateway Timeout',

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505 => 'HTTP Version Not Supported',

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506 => 'Variant Also Negotiates (Experimental)', // RFC2295

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507 => 'Insufficient Storage', // RFC4918

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508 => 'Loop Detected', // RFC5842

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510 => 'Not Extended', // RFC2774

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511 => 'Network Authentication Required', // RFC6585

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);

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protected $content;

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protected $statusCode;

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protected $headers = array();

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public function __construct($content, $statusCode = 200, array $headers = array())

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{

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$this->content = $content;

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$this->statusCode = $statusCode;

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$this->headers = array_change_key_case($headers, CASE_LOWER);

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}

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public function getContentAsString()

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{

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return $this->content;

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}

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/**

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* @param mixed $content

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*

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* @return mixed

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*/

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public function setContent($content)

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{

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$this->content = $content;

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}

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/**

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* @return mixed

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*/

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public function getContent()

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{

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return $this->content;

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}

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/**

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* @return void

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*/

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public function send()

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{

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$this->sendHeaders();

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// Some plugins leave open buffers and when it happens the returned output is blank

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$bufferCount = count(ob_list_handlers());

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while ($bufferCount) {

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ob_end_clean();

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--$bufferCount;

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}

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if ($this instanceof MWP_Http_StreamingResponseInterface) {

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$stream = $this->createResponseStream();

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ini_set('display_errors', false);

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while (!$stream->eof()) {

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print $stream->read(1048576);

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}

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} else {

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print $this->getContentAsString();

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}

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}

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protected function sendHeaders()

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{

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if (headers_sent()) {

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return;

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}

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if (function_exists('header_remove')) {

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/** @handled function */

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header_remove('Location');

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}

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$protocol = 'HTTP/1.1';

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if (isset($_SERVER['SERVER_PROTOCOL']) && $_SERVER['SERVER_PROTOCOL'] === 'HTTP/1.0') {

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$protocol = 'HTTP/1.0';

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}

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if (isset(self::$statusTexts[$this->statusCode])) {

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header(sprintf('%s %s %s', $protocol, $this->statusCode, self::$statusTexts[$this->statusCode]), true, $this->statusCode);

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}

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foreach ($this->headers as $headerName => $headerValue) {

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header(sprintf('%s: %s', $headerName, $headerValue), false, $this->statusCode);

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}

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}

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}

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