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86fc0430 TD |
1 | <?php |
2 | namespace wcf\util; | |
3536d2fe AE |
3 | use wcf\system\exception\HTTPNotFoundException; |
4 | use wcf\system\exception\HTTPServerErrorException; | |
5 | use wcf\system\exception\HTTPUnauthorizedException; | |
86fc0430 TD |
6 | use wcf\system\exception\SystemException; |
7 | use wcf\system\io\RemoteFile; | |
8 | use wcf\system\Regex; | |
9 | use wcf\system\WCF; | |
10 | ||
11 | /** | |
8fe14bd6 | 12 | * Sends HTTP/1.1 requests. |
86fc0430 TD |
13 | * It supports POST, SSL, Basic Auth etc. |
14 | * | |
3536d2fe | 15 | * @author Tim Duesterhus |
2b6cb5c2 | 16 | * @copyright 2001-2015 WoltLab GmbH |
86fc0430 TD |
17 | * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php> |
18 | * @package com.woltlab.wcf | |
19 | * @subpackage util | |
20 | * @category Community Framework | |
21 | */ | |
a195ffa6 | 22 | final class HTTPRequest { |
86fc0430 TD |
23 | /** |
24 | * given options | |
a17de04e | 25 | * @var array |
86fc0430 TD |
26 | */ |
27 | private $options = array(); | |
28 | ||
29 | /** | |
30 | * given post parameters | |
a17de04e | 31 | * @var array |
86fc0430 TD |
32 | */ |
33 | private $postParameters = array(); | |
34 | ||
5f70a0de TD |
35 | /** |
36 | * given files | |
06355ec3 | 37 | * @var array |
5f70a0de TD |
38 | */ |
39 | private $files = array(); | |
40 | ||
86fc0430 | 41 | /** |
60f613e2 | 42 | * indicates if request will be made via SSL |
a17de04e | 43 | * @var boolean |
86fc0430 TD |
44 | */ |
45 | private $useSSL = false; | |
46 | ||
5819f701 TD |
47 | /** |
48 | * indicates if the connection to the proxy target will be made via SSL | |
49 | * @var boolean | |
50 | */ | |
51 | private $originUseSSL = false; | |
52 | ||
86fc0430 TD |
53 | /** |
54 | * target host | |
a17de04e | 55 | * @var string |
86fc0430 TD |
56 | */ |
57 | private $host; | |
58 | ||
5819f701 TD |
59 | /** |
60 | * target host if a proxy is used | |
61 | * @var string | |
62 | */ | |
63 | private $originHost; | |
64 | ||
86fc0430 TD |
65 | /** |
66 | * target port | |
a17de04e | 67 | * @var integer |
86fc0430 TD |
68 | */ |
69 | private $port; | |
a17de04e | 70 | |
5819f701 TD |
71 | /** |
72 | * target port if a proxy is used | |
73 | * @var integer | |
74 | */ | |
75 | private $originPort; | |
76 | ||
86fc0430 TD |
77 | /** |
78 | * target path | |
a17de04e | 79 | * @var string |
86fc0430 TD |
80 | */ |
81 | private $path; | |
82 | ||
83 | /** | |
84 | * target query string | |
a17de04e | 85 | * @var string |
86fc0430 TD |
86 | */ |
87 | private $query; | |
88 | ||
25cdc083 AE |
89 | /** |
90 | * request URL | |
91 | * @var string | |
92 | */ | |
93 | private $url = ''; | |
94 | ||
86fc0430 TD |
95 | /** |
96 | * request headers | |
a17de04e | 97 | * @var array<string> |
86fc0430 TD |
98 | */ |
99 | private $headers = array(); | |
100 | ||
8fe14bd6 TD |
101 | /** |
102 | * legacy headers | |
103 | * @var array<string> | |
104 | */ | |
105 | private $legacyHeaders = array(); | |
106 | ||
5f70a0de TD |
107 | /** |
108 | * request body | |
109 | * @var string | |
110 | */ | |
111 | private $body = ''; | |
112 | ||
86fc0430 TD |
113 | /** |
114 | * reply headers | |
a17de04e | 115 | * @var array<string> |
86fc0430 TD |
116 | */ |
117 | private $replyHeaders = array(); | |
118 | ||
119 | /** | |
120 | * reply body | |
a17de04e | 121 | * @var string |
86fc0430 TD |
122 | */ |
123 | private $replyBody = ''; | |
124 | ||
125 | /** | |
126 | * reply status code | |
a17de04e | 127 | * @var integer |
86fc0430 TD |
128 | */ |
129 | private $statusCode = 0; | |
130 | ||
131 | /** | |
a17de04e | 132 | * Constructs a new instance of HTTPRequest. |
86fc0430 TD |
133 | * |
134 | * @param string $url URL to connect to | |
135 | * @param array<string> $options | |
1b20f990 | 136 | * @param mixed $postParameters Parameters to send via POST |
5f70a0de | 137 | * @param array $files Files to attach to the request |
86fc0430 | 138 | */ |
1b20f990 | 139 | public function __construct($url, array $options = array(), $postParameters = array(), array $files = array()) { |
86fc0430 TD |
140 | $this->setURL($url); |
141 | ||
142 | $this->postParameters = $postParameters; | |
5f70a0de | 143 | $this->files = $files; |
86fc0430 TD |
144 | |
145 | $this->setOptions($options); | |
146 | ||
a195ffa6 | 147 | // set default headers |
8fe14bd6 TD |
148 | $this->addHeader('user-agent', "HTTP.PHP (HTTPRequest.class.php; WoltLab Community Framework/".WCF_VERSION."; ".WCF::getLanguage()->languageCode.")"); |
149 | $this->addHeader('accept', '*/*'); | |
150 | $this->addHeader('accept-language', WCF::getLanguage()->getFixedLanguageCode()); | |
151 | ||
4d28d5a2 | 152 | if (isset($this->options['maxLength'])) { |
5262964b | 153 | $this->addHeader('Range', 'bytes=0-'.($this->options['maxLength'] - 1)); |
4d28d5a2 SG |
154 | } |
155 | ||
86fc0430 | 156 | if ($this->options['method'] !== 'GET') { |
5f70a0de | 157 | if (empty($this->files)) { |
1b20f990 AE |
158 | if (is_array($postParameters)) { |
159 | $this->body = http_build_query($this->postParameters, '', '&'); | |
160 | } | |
161 | else if (is_string($postParameters) && !empty($postParameters)) { | |
162 | $this->body = $postParameters; | |
163 | } | |
164 | ||
8fe14bd6 | 165 | $this->addHeader('content-type', 'application/x-www-form-urlencoded'); |
5f70a0de TD |
166 | } |
167 | else { | |
168 | $boundary = StringUtil::getRandomID(); | |
8fe14bd6 | 169 | $this->addHeader('content-type', 'multipart/form-data; boundary='.$boundary); |
5f70a0de TD |
170 | |
171 | // source of the iterators: http://stackoverflow.com/a/7623716/782822 | |
172 | if (!empty($this->postParameters)) { | |
173 | $iterator = new \RecursiveIteratorIterator(new \RecursiveArrayIterator($this->postParameters), \RecursiveIteratorIterator::SELF_FIRST); | |
174 | foreach ($iterator as $k => $v) { | |
175 | if (!$iterator->hasChildren()) { | |
176 | $key = ''; | |
177 | for ($i = 0, $max = $iterator->getDepth(); $i <= $max; $i++) { | |
178 | if ($i === 0) $key .= $iterator->getSubIterator($i)->key(); | |
179 | else $key .= '['.$iterator->getSubIterator($i)->key().']'; | |
180 | } | |
181 | ||
182 | $this->body .= "--".$boundary."\r\n"; | |
183 | $this->body .= 'Content-Disposition: form-data; name="'.$key.'"'."\r\n\r\n"; | |
184 | $this->body .= $v."\r\n"; | |
185 | } | |
186 | } | |
187 | } | |
188 | ||
189 | $iterator = new \RecursiveIteratorIterator(new \RecursiveArrayIterator($this->files), \RecursiveIteratorIterator::SELF_FIRST); | |
190 | foreach ($iterator as $k => $v) { | |
191 | if (!$iterator->hasChildren()) { | |
192 | $key = ''; | |
193 | for ($i = 0, $max = $iterator->getDepth(); $i <= $max; $i++) { | |
194 | if ($i === 0) $key .= $iterator->getSubIterator($i)->key(); | |
195 | else $key .= '['.$iterator->getSubIterator($i)->key().']'; | |
196 | } | |
197 | ||
198 | $this->body .= "--".$boundary."\r\n"; | |
199 | $this->body .= 'Content-Disposition: form-data; name="'.$k.'"; filename="'.basename($v).'"'."\r\n"; | |
200 | $this->body .= 'Content-Type: '.(FileUtil::getMimeType($v) ?: 'application/octet-stream.')."\r\n\r\n"; | |
201 | $this->body .= file_get_contents($v)."\r\n"; | |
202 | } | |
203 | } | |
204 | ||
205 | $this->body .= "--".$boundary."--"; | |
206 | } | |
8fe14bd6 | 207 | $this->addHeader('content-length', strlen($this->body)); |
86fc0430 TD |
208 | } |
209 | if (isset($this->options['auth'])) { | |
8fe14bd6 | 210 | $this->addHeader('authorization', "Basic ".base64_encode($options['auth']['username'].":".$options['auth']['password'])); |
86fc0430 | 211 | } |
8fe14bd6 | 212 | $this->addHeader('connection', 'Close'); |
86fc0430 TD |
213 | } |
214 | ||
215 | /** | |
216 | * Parses the given URL and applies PROXY_SERVER_HTTP. | |
217 | * | |
a17de04e | 218 | * @param string $url |
86fc0430 TD |
219 | */ |
220 | private function setURL($url) { | |
adc039a5 | 221 | $parsedUrl = $originUrl = parse_url($url); |
63f9ff4e TD |
222 | |
223 | $this->originUseSSL = $originUrl['scheme'] === 'https'; | |
224 | $this->originHost = $originUrl['host']; | |
225 | $this->originPort = isset($originUrl['port']) ? $originUrl['port'] : ($this->originUseSSL ? 443 : 80); | |
226 | ||
63f9ff4e | 227 | if (PROXY_SERVER_HTTP && !$this->originUseSSL) { |
86fc0430 | 228 | $this->path = $url; |
1d50541d | 229 | $this->query = ''; |
86fc0430 TD |
230 | } |
231 | else { | |
86fc0430 | 232 | $this->path = isset($parsedUrl['path']) ? $parsedUrl['path'] : '/'; |
1d50541d | 233 | $this->query = isset($parsedUrl['query']) ? $parsedUrl['query'] : ''; |
86fc0430 | 234 | } |
d5bd7602 | 235 | |
d3ee6dcb TD |
236 | if (PROXY_SERVER_HTTP) { |
237 | $parsedUrl = parse_url(PROXY_SERVER_HTTP); | |
238 | } | |
239 | ||
86fc0430 TD |
240 | $this->useSSL = $parsedUrl['scheme'] === 'https'; |
241 | $this->host = $parsedUrl['host']; | |
242 | $this->port = isset($parsedUrl['port']) ? $parsedUrl['port'] : ($this->useSSL ? 443 : 80); | |
d5bd7602 AE |
243 | |
244 | // update the 'Host:' header if URL has changed | |
adc039a5 | 245 | if ($this->url != $url) { |
5819f701 | 246 | $this->addHeader('host', $this->originHost.($this->originPort != ($this->originUseSSL ? 443 : 80) ? ':'.$this->originPort : '')); |
d5bd7602 AE |
247 | } |
248 | ||
249 | $this->url = $url; | |
86fc0430 TD |
250 | } |
251 | ||
252 | /** | |
253 | * Executes the HTTP request. | |
254 | */ | |
255 | public function execute() { | |
256 | // connect | |
7e6297c8 TD |
257 | $remoteFile = new RemoteFile(($this->useSSL ? 'ssl://' : '').$this->host, $this->port, $this->options['timeout'], array( |
258 | 'ssl' => array( | |
259 | 'peer_name' => $this->originHost | |
260 | ) | |
261 | )); | |
86fc0430 | 262 | |
5819f701 TD |
263 | if ($this->originUseSSL && PROXY_SERVER_HTTP) { |
264 | if ($this->useSSL) throw new SystemException("Unable to proxy HTTPS when using TLS for proxy connection"); | |
265 | ||
266 | $request = "CONNECT ".$this->originHost.":".$this->originPort." HTTP/1.0\r\n"; | |
267 | if (isset($this->headers['user-agent'])) { | |
268 | $request .= 'user-agent: '.reset($this->headers['user-agent'])."\r\n"; | |
269 | } | |
270 | $request .= "Host: ".$this->originHost.":".$this->originPort."\r\n"; | |
271 | $request .= "\r\n"; | |
272 | $remoteFile->puts($request); | |
273 | $this->replyHeaders = array(); | |
274 | while (!$remoteFile->eof()) { | |
275 | $line = $remoteFile->gets(); | |
276 | if (rtrim($line) === '') { | |
277 | $this->parseReplyHeaders(); | |
278 | ||
279 | break; | |
280 | } | |
281 | $this->replyHeaders[] = $line; | |
282 | } | |
283 | if ($this->statusCode != 200) throw new SystemException("Expected 200 Ok as reply to my CONNECT, got '".$this->statusCode."'"); | |
284 | $remoteFile->setTLS(true); | |
285 | } | |
286 | ||
8fe14bd6 | 287 | $request = $this->options['method']." ".$this->path.($this->query ? '?'.$this->query : '')." HTTP/1.1\r\n"; |
86fc0430 | 288 | |
a195ffa6 | 289 | // add headers |
86fc0430 TD |
290 | foreach ($this->headers as $name => $values) { |
291 | foreach ($values as $value) { | |
292 | $request .= $name.": ".$value."\r\n"; | |
293 | } | |
294 | } | |
295 | $request .= "\r\n"; | |
8fe14bd6 | 296 | |
a195ffa6 | 297 | // add post parameters |
5f70a0de | 298 | if ($this->options['method'] !== 'GET') $request .= $this->body."\r\n\r\n"; |
d5bd7602 | 299 | |
86fc0430 TD |
300 | $remoteFile->puts($request); |
301 | ||
302 | $inHeader = true; | |
303 | $this->replyHeaders = array(); | |
304 | $this->replyBody = ''; | |
8fe14bd6 | 305 | $chunkLength = 0; |
5262964b | 306 | $bodyLength = 0; |
c7fe2510 | 307 | |
8d2262a1 | 308 | $chunkedTransferRegex = new Regex('(^|,)[ \t]*chunked[ \t]*$', Regex::CASE_INSENSITIVE); |
7ced4c6a TD |
309 | // read http response, until one of is true |
310 | // a) EOF is reached | |
311 | // b) bodyLength is at least maxLength | |
312 | // c) bodyLength is at least Content-Length | |
313 | while (!( | |
314 | $remoteFile->eof() || | |
315 | (isset($this->options['maxLength']) && $bodyLength >= $this->options['maxLength']) || | |
316 | (isset($this->replyHeaders['content-length']) && $bodyLength >= end($this->replyHeaders['content-length'])) | |
317 | )) { | |
318 | ||
8fe14bd6 | 319 | if ($chunkLength) { |
5262964b | 320 | if (isset($this->options['maxLength'])) $chunkLength = min($chunkLength, $this->options['maxLength'] - $bodyLength); |
8fe14bd6 TD |
321 | $line = $remoteFile->read($chunkLength); |
322 | } | |
8d2262a1 | 323 | else if (!$inHeader && (!isset($this->replyHeaders['transfer-encoding']) || !$chunkedTransferRegex->match(end($this->replyHeaders['transfer-encoding'])))) { |
4b3a6b71 TD |
324 | $length = 1024; |
325 | if (isset($this->options['maxLength'])) $length = min($length, $this->options['maxLength'] - $bodyLength); | |
7ced4c6a TD |
326 | if (isset($this->replyHeaders['content-length'])) $length = min($length, end($this->replyHeaders['content-length']) - $bodyLength); |
327 | ||
328 | $line = $remoteFile->read($length); | |
329 | } | |
8fe14bd6 TD |
330 | else { |
331 | $line = $remoteFile->gets(); | |
332 | } | |
333 | ||
86fc0430 TD |
334 | if ($inHeader) { |
335 | if (rtrim($line) === '') { | |
336 | $inHeader = false; | |
8fe14bd6 TD |
337 | $this->parseReplyHeaders(); |
338 | ||
86fc0430 TD |
339 | continue; |
340 | } | |
341 | $this->replyHeaders[] = $line; | |
342 | } | |
343 | else { | |
8fe14bd6 | 344 | if (isset($this->replyHeaders['transfer-encoding']) && $chunkedTransferRegex->match(end($this->replyHeaders['transfer-encoding']))) { |
8fe14bd6 TD |
345 | // last chunk finished |
346 | if ($chunkLength === 0) { | |
347 | // read hex data and trash chunk-extension | |
348 | list($hex) = explode(';', $line, 2); | |
349 | $chunkLength = hexdec($hex); | |
350 | ||
351 | // $chunkLength === 0 -> no more data | |
352 | if ($chunkLength === 0) { | |
353 | // clear remaining response | |
7ced4c6a | 354 | while (!$remoteFile->gets(1024)); |
8fe14bd6 | 355 | |
8f3e6138 TD |
356 | // remove chunked from transfer-encoding |
357 | $this->replyHeaders['transfer-encoding'] = array_filter(array_map(function ($element) use ($chunkedTransferRegex) { | |
358 | return $chunkedTransferRegex->replace($element, ''); | |
359 | }, $this->replyHeaders['transfer-encoding']), 'trim'); | |
360 | if (empty($this->replyHeaders['transfer-encoding'])) unset($this->replyHeaders['transfer-encoding']); | |
361 | ||
8fe14bd6 TD |
362 | // break out of main reading loop |
363 | break; | |
364 | } | |
365 | } | |
366 | else { | |
367 | $this->replyBody .= $line; | |
368 | $chunkLength -= strlen($line); | |
8f3e6138 TD |
369 | $bodyLength += strlen($line); |
370 | if ($chunkLength === 0) $remoteFile->read(2); // CRLF | |
8fe14bd6 TD |
371 | } |
372 | } | |
373 | else { | |
374 | $this->replyBody .= $line; | |
8f3e6138 | 375 | $bodyLength += strlen($line); |
5262964b | 376 | } |
86fc0430 TD |
377 | } |
378 | } | |
379 | ||
5262964b TD |
380 | if (isset($this->options['maxLength'])) $this->replyBody = substr($this->replyBody, 0, $this->options['maxLength']); |
381 | ||
8fe14bd6 TD |
382 | $remoteFile->close(); |
383 | ||
86fc0430 TD |
384 | $this->parseReply(); |
385 | } | |
386 | ||
387 | /** | |
8fe14bd6 | 388 | * Parses the reply headers. |
86fc0430 | 389 | */ |
8fe14bd6 | 390 | private function parseReplyHeaders() { |
86fc0430 | 391 | $headers = array(); |
8fe14bd6 | 392 | $lastKey = ''; |
86fc0430 TD |
393 | foreach ($this->replyHeaders as $header) { |
394 | if (strpos($header, ':') === false) { | |
8fe14bd6 | 395 | $headers[trim($header)] = array(trim($header)); |
86fc0430 TD |
396 | continue; |
397 | } | |
8fe14bd6 TD |
398 | |
399 | // 4.2 Header fields can be | |
400 | // extended over multiple lines by preceding each extra line with at | |
401 | // least one SP or HT. | |
402 | if (ltrim($header, "\t ") !== $header) { | |
403 | $headers[$lastKey][] = array_pop($headers[$lastKey]).' '.trim($header); | |
404 | } | |
405 | else { | |
406 | list($key, $value) = explode(':', $header, 2); | |
407 | ||
408 | $lastKey = $key; | |
409 | if (!isset($headers[$key])) $headers[$key] = array(); | |
410 | $headers[$key][] = trim($value); | |
411 | } | |
86fc0430 | 412 | } |
8fe14bd6 TD |
413 | // 4.2 Field names are case-insensitive. |
414 | $this->replyHeaders = array_change_key_case($headers); | |
415 | if (isset($this->replyHeaders['transfer-encoding'])) $this->replyHeaders['transfer-encoding'] = array(implode(',', $this->replyHeaders['transfer-encoding'])); | |
416 | $this->legacyHeaders = array_map('end', $headers); | |
86fc0430 | 417 | |
a0eb8370 | 418 | // get status code |
86fc0430 | 419 | $statusLine = reset($this->replyHeaders); |
8fe14bd6 TD |
420 | $regex = new Regex('^HTTP/1.\d+ +(\d{3})'); |
421 | if (!$regex->match($statusLine[0])) throw new SystemException("Unexpected status '".$statusLine."'"); | |
86fc0430 | 422 | $matches = $regex->getMatches(); |
aeaa135c | 423 | $this->statusCode = $matches[1]; |
8fe14bd6 TD |
424 | } |
425 | ||
426 | /** | |
427 | * Parses the reply. | |
428 | */ | |
429 | private function parseReply() { | |
430 | // 4.4 Messages MUST NOT include both a Content-Length header field and a | |
431 | // non-identity transfer-coding. If the message does include a non- | |
432 | // identity transfer-coding, the Content-Length MUST be ignored. | |
5262964b | 433 | if (isset($this->replyHeaders['content-length']) && (!isset($this->replyHeaders['transfer-encoding']) || strtolower(end($this->replyHeaders['transfer-encoding'])) !== 'identity') && !isset($this->options['maxLength'])) { |
8009cc11 | 434 | if (strlen($this->replyBody) != end($this->replyHeaders['content-length'])) { |
a0eb8370 DR |
435 | throw new SystemException('Body length does not match length given in header'); |
436 | } | |
437 | } | |
438 | ||
439 | // validate status code | |
aeaa135c | 440 | switch ($this->statusCode) { |
86fc0430 TD |
441 | case '301': |
442 | case '302': | |
443 | case '303': | |
444 | case '307': | |
445 | // redirect | |
c7fe2510 | 446 | if ($this->options['maxDepth'] <= 0) throw new SystemException("Received status code '".$this->statusCode."' from server, but recursion level is exhausted"); |
86fc0430 TD |
447 | |
448 | $newRequest = clone $this; | |
449 | $newRequest->options['maxDepth']--; | |
c7fe2510 | 450 | |
8fe14bd6 | 451 | // 10.3.4 The response to the request can be found under a different URI and SHOULD |
c7fe2510 | 452 | // be retrieved using a GET method on that resource. |
c7fe2510 | 453 | if ($this->statusCode == '303') { |
86fc0430 TD |
454 | $newRequest->options['method'] = 'GET'; |
455 | $newRequest->postParameters = array(); | |
8fe14bd6 TD |
456 | $newRequest->addHeader('content-length', ''); |
457 | $newRequest->addHeader('content-type', ''); | |
86fc0430 | 458 | } |
c7fe2510 | 459 | |
86fc0430 | 460 | try { |
8fe14bd6 | 461 | $newRequest->setURL(end($this->replyHeaders['location'])); |
86fc0430 TD |
462 | } |
463 | catch (SystemException $e) { | |
8fe14bd6 | 464 | throw new SystemException("Received 'Location: ".end($this->replyHeaders['location'])."' from server, which is invalid.", 0, $e); |
86fc0430 | 465 | } |
86fc0430 | 466 | |
283df336 TD |
467 | try { |
468 | $newRequest->execute(); | |
469 | ||
470 | // update data with data from the inner request | |
471 | $this->url = $newRequest->url; | |
472 | $this->statusCode = $newRequest->statusCode; | |
473 | $this->replyHeaders = $newRequest->replyHeaders; | |
df37e22d | 474 | $this->legacyHeaders = $newRequest->legacyHeaders; |
283df336 TD |
475 | $this->replyBody = $newRequest->replyBody; |
476 | } | |
477 | catch (SystemException $e) { | |
478 | // update data with data from the inner request | |
479 | $this->url = $newRequest->url; | |
480 | $this->statusCode = $newRequest->statusCode; | |
481 | $this->replyHeaders = $newRequest->replyHeaders; | |
df37e22d | 482 | $this->legacyHeaders = $newRequest->legacyHeaders; |
283df336 TD |
483 | $this->replyBody = $newRequest->replyBody; |
484 | ||
485 | throw $e; | |
486 | } | |
487 | ||
86fc0430 TD |
488 | return; |
489 | break; | |
a17de04e | 490 | |
4d28d5a2 SG |
491 | case '206': |
492 | // check, if partial content was expected | |
5262964b | 493 | if (!isset($this->headers['range'])) { |
4d28d5a2 SG |
494 | throw new HTTPServerErrorException("Received unexpected status code '206' from server"); |
495 | } | |
5262964b | 496 | else if (!isset($this->replyHeaders['content-range'])) { |
4d28d5a2 SG |
497 | throw new HTTPServerErrorException("Content-Range is missing in reply header"); |
498 | } | |
499 | break; | |
500 | ||
3536d2fe | 501 | case '401': |
5cd59413 | 502 | case '402': |
3536d2fe AE |
503 | case '403': |
504 | throw new HTTPUnauthorizedException("Received status code '".$this->statusCode."' from server"); | |
505 | break; | |
506 | ||
507 | case '404': | |
508 | throw new HTTPNotFoundException("Received status code '404' from server"); | |
509 | break; | |
8fe14bd6 | 510 | |
86fc0430 | 511 | default: |
8fe14bd6 TD |
512 | // 6.1.1 However, applications MUST |
513 | // understand the class of any status code, as indicated by the first | |
514 | // digit, and treat any unrecognized response as being equivalent to the | |
515 | // x00 status code of that class, with the exception that an | |
516 | // unrecognized response MUST NOT be cached. | |
517 | switch (substr($this->statusCode, 0, 1)) { | |
518 | case '2': // 200 and unknown 2XX | |
519 | case '3': // 300 and unknown 3XX | |
520 | // we are fine | |
521 | break; | |
522 | case '5': // 500 and unknown 5XX | |
523 | throw new HTTPServerErrorException("Received status code '".$this->statusCode."' from server"); | |
524 | break; | |
525 | default: | |
526 | throw new SystemException("Received unhandled status code '".$this->statusCode."' from server"); | |
527 | break; | |
528 | } | |
86fc0430 TD |
529 | break; |
530 | } | |
86fc0430 TD |
531 | } |
532 | ||
533 | /** | |
534 | * Returns an array with the replied data. | |
8fe14bd6 | 535 | * Note that the 'headers' element is deprecated and may be removed in the future. |
86fc0430 | 536 | * |
a17de04e | 537 | * @return array |
86fc0430 TD |
538 | */ |
539 | public function getReply() { | |
a195ffa6 TD |
540 | return array( |
541 | 'statusCode' => $this->statusCode, | |
8fe14bd6 TD |
542 | 'headers' => $this->legacyHeaders, |
543 | 'httpHeaders' => $this->replyHeaders, | |
25cdc083 AE |
544 | 'body' => $this->replyBody, |
545 | 'url' => $this->url | |
a195ffa6 | 546 | ); |
86fc0430 TD |
547 | } |
548 | ||
549 | /** | |
550 | * Sets options and applies default values when an option is omitted. | |
551 | * | |
a17de04e | 552 | * @param array $options |
2b770bdd | 553 | * @throws SystemException |
86fc0430 TD |
554 | */ |
555 | private function setOptions(array $options) { | |
556 | if (!isset($options['timeout'])) { | |
c7fe2510 | 557 | $options['timeout'] = 10; |
86fc0430 TD |
558 | } |
559 | ||
560 | if (!isset($options['method'])) { | |
5f70a0de | 561 | $options['method'] = (!empty($this->postParameters) || !empty($this->files) ? 'POST' : 'GET'); |
86fc0430 TD |
562 | } |
563 | ||
564 | if (!isset($options['maxDepth'])) { | |
565 | $options['maxDepth'] = 2; | |
566 | } | |
567 | ||
568 | if (isset($options['auth'])) { | |
569 | if (!isset($options['auth']['username'])) { | |
c7fe2510 | 570 | throw new SystemException('Username is missing in authentification data.'); |
86fc0430 TD |
571 | } |
572 | if (!isset($options['auth']['password'])) { | |
c7fe2510 | 573 | throw new SystemException('Password is missing in authentification data.'); |
86fc0430 TD |
574 | } |
575 | } | |
576 | ||
577 | $this->options = $options; | |
578 | } | |
579 | ||
580 | /** | |
581 | * Adds a header to this request. | |
c7fe2510 | 582 | * When an empty value is given existing headers of this name will be removed. When append |
86fc0430 TD |
583 | * is set to false existing values will be overwritten. |
584 | * | |
a17de04e MS |
585 | * @param string $name |
586 | * @param string $value | |
587 | * @param boolean $append | |
86fc0430 TD |
588 | */ |
589 | public function addHeader($name, $value, $append = false) { | |
8fe14bd6 TD |
590 | // 4.2 Field names are case-insensitive. |
591 | $name = strtolower($name); | |
592 | ||
86fc0430 TD |
593 | if ($value === '') { |
594 | unset($this->headers[$name]); | |
595 | return; | |
596 | } | |
597 | ||
598 | if ($append && isset($this->headers[$name])) { | |
599 | $this->headers[$name][] = $value; | |
600 | } | |
a377993e TD |
601 | else { |
602 | $this->headers[$name] = array($value); | |
603 | } | |
86fc0430 TD |
604 | } |
605 | ||
606 | /** | |
607 | * Resets reply data when cloning. | |
608 | */ | |
609 | private function __clone() { | |
610 | $this->replyHeaders = array(); | |
611 | $this->replyBody = ''; | |
612 | $this->statusCode = 0; | |
613 | } | |
58e1d71f | 614 | } |