worker / src / MWP / Http / Response.php

Response.php in ManageWP Worker 4.9.29, at src/MWP/Http/Response.php

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1	<?php
2	/*
3	* This file is part of the ManageWP Worker plugin.
4	*
5	* (c) ManageWP LLC <contact@managewp.com>
6	*
7	* For the full copyright and license information, please view the LICENSE
8	* file that was distributed with this source code.
9	*/
10
11	class MWP_Http_Response implements MWP_Http_ResponseInterface
12	{
13
14	/**
15	* Status codes translation table.
16	*
17	* The list of codes is complete according to the
18	* {@link http://www.iana.org/assignments/http-status-codes/ Hypertext Transfer Protocol (HTTP) Status Code Registry}
19	* (last updated 2012-02-13).
20	*
21	* Unless otherwise noted, the status code is defined in RFC2616.
22	*
23	* @var array
24	*/
25	public static $statusTexts = array(
26	100 => 'Continue',
27	101 => 'Switching Protocols',
28	102 => 'Processing', // RFC2518
29	200 => 'OK',
30	201 => 'Created',
31	202 => 'Accepted',
32	203 => 'Non-Authoritative Information',
33	204 => 'No Content',
34	205 => 'Reset Content',
35	206 => 'Partial Content',
36	207 => 'Multi-Status', // RFC4918
37	208 => 'Already Reported', // RFC5842
38	226 => 'IM Used', // RFC3229
39	300 => 'Multiple Choices',
40	301 => 'Moved Permanently',
41	302 => 'Found',
42	303 => 'See Other',
43	304 => 'Not Modified',
44	305 => 'Use Proxy',
45	306 => 'Reserved',
46	307 => 'Temporary Redirect',
47	308 => 'Permanent Redirect', // RFC7238
48	400 => 'Bad Request',
49	401 => 'Unauthorized',
50	402 => 'Payment Required',
51	403 => 'Forbidden',
52	404 => 'Not Found',
53	405 => 'Method Not Allowed',
54	406 => 'Not Acceptable',
55	407 => 'Proxy Authentication Required',
56	408 => 'Request Timeout',
57	409 => 'Conflict',
58	410 => 'Gone',
59	411 => 'Length Required',
60	412 => 'Precondition Failed',
61	413 => 'Request Entity Too Large',
62	414 => 'Request-URI Too Long',
63	415 => 'Unsupported Media Type',
64	416 => 'Requested Range Not Satisfiable',
65	417 => 'Expectation Failed',
66	418 => 'I\'m a teapot', // RFC2324
67	422 => 'Unprocessable Entity', // RFC4918
68	423 => 'Locked', // RFC4918
69	424 => 'Failed Dependency', // RFC4918
70	425 => 'Reserved for WebDAV advanced collections expired proposal', // RFC2817
71	426 => 'Upgrade Required', // RFC2817
72	428 => 'Precondition Required', // RFC6585
73	429 => 'Too Many Requests', // RFC6585
74	431 => 'Request Header Fields Too Large', // RFC6585
75	500 => 'Internal Server Error',
76	501 => 'Not Implemented',
77	502 => 'Bad Gateway',
78	503 => 'Service Unavailable',
79	504 => 'Gateway Timeout',
80	505 => 'HTTP Version Not Supported',
81	506 => 'Variant Also Negotiates (Experimental)', // RFC2295
82	507 => 'Insufficient Storage', // RFC4918
83	508 => 'Loop Detected', // RFC5842
84	510 => 'Not Extended', // RFC2774
85	511 => 'Network Authentication Required', // RFC6585
86	);
87
88	protected $content;
89
90	protected $statusCode;
91
92	protected $headers = array();
93
94	public function __construct($content, $statusCode = 200, array $headers = array())
95	{
96	$this->content = $content;
97	$this->statusCode = $statusCode;
98	$this->headers = array_change_key_case($headers, CASE_LOWER);
99	}
100
101	public function getContentAsString()
102	{
103	return $this->content;
104	}
105
106	/**
107	* @param mixed $content
108	*
109	* @return mixed
110	*/
111	public function setContent($content)
112	{
113	$this->content = $content;
114	}
115
116	/**
117	* @return mixed
118	*/
119	public function getContent()
120	{
121	return $this->content;
122	}
123
124	/**
125	* @return void
126	*/
127	public function send()
128	{
129	$this->sendHeaders();
130
131	// Some plugins leave open buffers and when it happens the returned output is blank
132	$bufferCount = count(ob_list_handlers());
133	while ($bufferCount) {
134	ob_end_clean();
135	--$bufferCount;
136	}
137
138	if ($this instanceof MWP_Http_StreamingResponseInterface) {
139	$stream = $this->createResponseStream();
140
141	ini_set('display_errors', false);
142
143	while (!$stream->eof()) {
144	print $stream->read(1048576);
145	}
146	} else {
147	print $this->getContentAsString();
148	}
149	}
150
151	protected function sendHeaders()
152	{
153	if (headers_sent()) {
154	return;
155	}
156
157	if (function_exists('header_remove')) {
158	/** @handled function */
159	header_remove('Location');
160	}
161
162	$protocol = 'HTTP/1.1';
163	if (isset($_SERVER['SERVER_PROTOCOL']) && $_SERVER['SERVER_PROTOCOL'] === 'HTTP/1.0') {
164	$protocol = 'HTTP/1.0';
165	}
166
167	if (isset(self::$statusTexts[$this->statusCode])) {
168	header(sprintf('%s %s %s', $protocol, $this->statusCode, self::$statusTexts[$this->statusCode]), true, $this->statusCode);
169	}
170
171	foreach ($this->headers as $headerName => $headerValue) {
172	header(sprintf('%s: %s', $headerName, $headerValue), false, $this->statusCode);
173	}
174	}
175	}
176