1
|
|
|
<?php |
2
|
|
|
namespace PHPDaemon\Clients\HTTP; |
3
|
|
|
|
4
|
|
|
use PHPDaemon\Clients\HTTP\Pool; |
5
|
|
|
use PHPDaemon\Clients\HTTP\UploadFile; |
6
|
|
|
use PHPDaemon\Core\Daemon; |
7
|
|
|
use PHPDaemon\Core\Debug; |
8
|
|
|
use PHPDaemon\HTTPRequest\Generic; |
9
|
|
|
use PHPDaemon\Network\ClientConnection; |
10
|
|
|
|
11
|
|
|
/** |
12
|
|
|
* @package NetworkClients |
13
|
|
|
* @subpackage HTTPClient |
14
|
|
|
* @author Vasily Zorin <[email protected]> |
15
|
|
|
*/ |
16
|
|
|
class Connection extends ClientConnection |
17
|
|
|
{ |
18
|
|
|
/** |
19
|
|
|
* State: headers |
20
|
|
|
*/ |
21
|
|
|
const STATE_HEADERS = 1; |
22
|
|
|
|
23
|
|
|
/** |
24
|
|
|
* State: body |
25
|
|
|
*/ |
26
|
|
|
const STATE_BODY = 2; |
27
|
|
|
|
28
|
|
|
/** |
29
|
|
|
* @var array Associative array of headers |
30
|
|
|
*/ |
31
|
|
|
public $headers = []; |
32
|
|
|
|
33
|
|
|
/** |
34
|
|
|
* @var integer Content length |
35
|
|
|
*/ |
36
|
|
|
public $contentLength = -1; |
37
|
|
|
|
38
|
|
|
/** |
39
|
|
|
* @var string Contains response body |
40
|
|
|
*/ |
41
|
|
|
public $body = ''; |
42
|
|
|
|
43
|
|
|
/** |
44
|
|
|
* @var string End of line |
45
|
|
|
*/ |
46
|
|
|
protected $EOL = "\r\n"; |
47
|
|
|
|
48
|
|
|
/** |
49
|
|
|
* @var array Associative array of Cookies |
50
|
|
|
*/ |
51
|
|
|
public $cookie = []; |
52
|
|
|
|
53
|
|
|
/** |
54
|
|
|
* @var integer Size of current chunk |
55
|
|
|
*/ |
56
|
|
|
protected $curChunkSize; |
57
|
|
|
|
58
|
|
|
/** |
59
|
|
|
* @var string |
60
|
|
|
*/ |
61
|
|
|
protected $curChunk; |
62
|
|
|
|
63
|
|
|
/** |
64
|
|
|
* @var boolean |
65
|
|
|
*/ |
66
|
|
|
public $chunked = false; |
67
|
|
|
|
68
|
|
|
/** |
69
|
|
|
* @var callback |
70
|
|
|
*/ |
71
|
|
|
public $chunkcb; |
72
|
|
|
|
73
|
|
|
/** |
74
|
|
|
* @var integer |
75
|
|
|
*/ |
76
|
|
|
public $protocolError; |
77
|
|
|
|
78
|
|
|
/** |
79
|
|
|
* @var integer |
80
|
|
|
*/ |
81
|
|
|
public $responseCode = 0; |
82
|
|
|
|
83
|
|
|
/** |
84
|
|
|
* @var string Last requested URL |
85
|
|
|
*/ |
86
|
|
|
public $lastURL; |
87
|
|
|
|
88
|
|
|
/** |
89
|
|
|
* @var array Raw headers array |
90
|
|
|
*/ |
91
|
|
|
public $rawHeaders = null; |
92
|
|
|
|
93
|
|
|
public $contentType; |
94
|
|
|
|
95
|
|
|
public $charset; |
96
|
|
|
|
97
|
|
|
public $eofTerminated = false; |
98
|
|
|
|
99
|
|
|
/** |
100
|
|
|
* @var \SplStack |
101
|
|
|
*/ |
102
|
|
|
protected $requests; |
103
|
|
|
|
104
|
|
|
/** |
105
|
|
|
* @var string |
106
|
|
|
*/ |
107
|
|
|
public $reqType; |
108
|
|
|
|
109
|
|
|
/** |
110
|
|
|
* Constructor |
111
|
|
|
*/ |
112
|
|
|
protected function init() { |
113
|
|
|
$this->requests = new \SplStack; |
114
|
|
|
} |
115
|
|
|
|
116
|
|
|
/** |
117
|
|
|
* Send request headers |
118
|
|
|
* @param $type |
119
|
|
|
* @param $url |
120
|
|
|
* @param &$params |
121
|
|
|
* @return void |
122
|
|
|
*/ |
123
|
|
|
protected function sendRequestHeaders($type, $url, &$params) { |
124
|
|
|
if (!is_array($params)) { |
125
|
|
|
$params = ['resultcb' => $params]; |
126
|
|
|
} |
127
|
|
|
if (!isset($params['uri']) || !isset($params['host'])) { |
128
|
|
|
$prepared = Pool::parseUrl($url); |
129
|
|
|
if (!$prepared) { |
130
|
|
|
if (isset($params['resultcb'])) { |
131
|
|
|
$params['resultcb'](false); |
132
|
|
|
} |
133
|
|
|
return; |
134
|
|
|
} |
135
|
|
|
list($params['host'], $params['uri']) = $prepared; |
136
|
|
|
} |
137
|
|
|
if ($params['uri'] === '') { |
138
|
|
|
$params['uri'] = '/'; |
139
|
|
|
} |
140
|
|
|
$this->lastURL = 'http://' . $params['host'] . $params['uri']; |
141
|
|
|
if (!isset($params['version'])) { |
142
|
|
|
$params['version'] = '1.1'; |
143
|
|
|
} |
144
|
|
|
$this->writeln($type . ' ' . $params['uri'] . ' HTTP/' . $params['version']); |
145
|
|
|
if (isset($params['proxy'])) { |
146
|
|
|
if (isset($params['proxy']['auth'])) { |
147
|
|
|
$this->writeln('Proxy-Authorization: basic ' . base64_encode($params['proxy']['auth']['username'] . ':' . $params['proxy']['auth']['password'])); |
|
|
|
|
148
|
|
|
} |
149
|
|
|
} |
150
|
|
|
$this->writeln('Host: ' . $params['host']); |
151
|
|
|
if ($this->pool->config->expose->value && !isset($params['headers']['User-Agent'])) { |
152
|
|
|
$this->writeln('User-Agent: phpDaemon/' . Daemon::$version); |
153
|
|
|
} |
154
|
|
|
if (isset($params['cookie']) && sizeof($params['cookie'])) { |
155
|
|
|
$this->writeln('Cookie: ' . http_build_query($params['cookie'], '', '; ')); |
156
|
|
|
} |
157
|
|
|
if (isset($params['headers'])) { |
158
|
|
|
$this->customRequestHeaders($params['headers']); |
159
|
|
|
} |
160
|
|
|
if (isset($params['rawHeaders']) && $params['rawHeaders']) { |
161
|
|
|
$this->rawHeaders = []; |
162
|
|
|
} |
163
|
|
|
if (isset($params['chunkcb']) && is_callable($params['chunkcb'])) { |
164
|
|
|
$this->chunkcb = $params['chunkcb']; |
165
|
|
|
} |
166
|
|
|
$this->writeln(''); |
167
|
|
|
$this->requests->push($type); |
168
|
|
|
$this->onResponse($params['resultcb']); |
169
|
|
|
$this->checkFree(); |
170
|
|
|
} |
171
|
|
|
|
172
|
|
|
/** |
173
|
|
|
* Perform a HEAD request |
174
|
|
|
* @param string $url |
175
|
|
|
* @param array $params |
|
|
|
|
176
|
|
|
*/ |
177
|
|
|
public function head($url, $params = null) |
178
|
|
|
{ |
179
|
|
|
$this->sendRequestHeaders('HEAD', $url, $params); |
180
|
|
|
} |
181
|
|
|
|
182
|
|
|
/** |
183
|
|
|
* Perform a GET request |
184
|
|
|
* @param string $url |
185
|
|
|
* @param array $params |
|
|
|
|
186
|
|
|
*/ |
187
|
|
|
public function get($url, $params = null) |
188
|
|
|
{ |
189
|
|
|
$this->sendRequestHeaders('GET', $url, $params); |
190
|
|
|
} |
191
|
|
|
|
192
|
|
|
/** |
193
|
|
|
* @param array $headers |
194
|
|
|
*/ |
195
|
|
|
protected function customRequestHeaders($headers) |
196
|
|
|
{ |
197
|
|
|
foreach ($headers as $key => $item) { |
198
|
|
|
if (is_numeric($key)) { |
199
|
|
|
if (is_string($item)) { |
200
|
|
|
$this->writeln($item); |
201
|
|
|
} elseif (is_array($item)) { |
202
|
|
|
$this->writeln($item[0] . ': ' . $item[1]); // @TODO: prevent injections? |
|
|
|
|
203
|
|
|
} |
204
|
|
|
} else { |
205
|
|
|
$this->writeln($key . ': ' . $item); |
206
|
|
|
} |
207
|
|
|
} |
208
|
|
|
} |
209
|
|
|
|
210
|
|
|
/** |
211
|
|
|
* Perform a POST request |
212
|
|
|
* @param string $url |
213
|
|
|
* @param array $data |
214
|
|
|
* @param array $params |
|
|
|
|
215
|
|
|
*/ |
216
|
|
|
public function post($url, $data = [], $params = null) |
217
|
|
|
{ |
218
|
|
|
foreach ($data as $val) { |
219
|
|
|
if ($val instanceof UploadFile) { |
|
|
|
|
220
|
|
|
$params['contentType'] = 'multipart/form-data'; |
221
|
|
|
} |
222
|
|
|
} |
223
|
|
|
if (!isset($params['contentType'])) { |
224
|
|
|
$params['contentType'] = 'application/x-www-form-urlencoded'; |
225
|
|
|
} |
226
|
|
|
if ($params['contentType'] === 'application/x-www-form-urlencoded') { |
227
|
|
|
$body = http_build_query($data, '', '&', PHP_QUERY_RFC3986); |
228
|
|
|
} elseif ($params['contentType'] === 'application/x-json') { |
229
|
|
|
$body = json_encode($data); |
230
|
|
|
} else { |
231
|
|
|
$body = 'Unsupported Content-Type'; |
232
|
|
|
} |
233
|
|
|
if (!isset($params['customHeaders'])) { |
234
|
|
|
$params['customHeaders'] = []; |
235
|
|
|
} |
236
|
|
|
$params['customHeaders']['Content-Length'] = mb_orig_strlen($body); |
237
|
|
|
$this->sendRequestHeaders('POST', $url, $params); |
238
|
|
|
$this->write($body); |
239
|
|
|
$this->writeln(''); |
240
|
|
|
} |
241
|
|
|
|
242
|
|
|
/** |
243
|
|
|
* Get body |
244
|
|
|
* @return string |
245
|
|
|
*/ |
246
|
|
|
public function getBody() |
247
|
|
|
{ |
248
|
|
|
return $this->body; |
249
|
|
|
} |
250
|
|
|
|
251
|
|
|
/** |
252
|
|
|
* Get headers |
253
|
|
|
* @return array |
254
|
|
|
*/ |
255
|
|
|
public function getHeaders() |
256
|
|
|
{ |
257
|
|
|
return $this->headers; |
258
|
|
|
} |
259
|
|
|
|
260
|
|
|
/** |
261
|
|
|
* Get header |
262
|
|
|
* @param string $name Header name |
263
|
|
|
* @return string |
264
|
|
|
*/ |
265
|
|
|
public function getHeader($name) |
266
|
|
|
{ |
267
|
|
|
$k = 'HTTP_' . strtoupper(strtr($name, Generic::$htr)); |
268
|
|
|
return isset($this->headers[$k]) ? $this->headers[$k] : null; |
269
|
|
|
} |
270
|
|
|
|
271
|
|
|
/** |
272
|
|
|
* Called when new data received |
273
|
|
|
*/ |
274
|
|
|
public function onRead() |
275
|
|
|
{ |
276
|
|
|
if ($this->state === self::STATE_BODY) { |
277
|
|
|
goto body; |
278
|
|
|
} |
279
|
|
|
if ($this->reqType === null) { |
280
|
|
|
if ($this->requests->isEmpty()) { |
281
|
|
|
$this->finish(); |
282
|
|
|
return; |
283
|
|
|
} |
284
|
|
|
$this->reqType = $this->requests->shift(); |
285
|
|
|
} |
286
|
|
|
while (($line = $this->readLine()) !== null) { |
287
|
|
|
if ($line !== '') { |
288
|
|
|
if ($this->rawHeaders !== null) { |
289
|
|
|
$this->rawHeaders[] = $line; |
290
|
|
|
} |
291
|
|
|
} else { |
292
|
|
|
if (isset($this->headers['HTTP_CONTENT_LENGTH'])) { |
293
|
|
|
$this->contentLength = (int)$this->headers['HTTP_CONTENT_LENGTH']; |
294
|
|
|
} else { |
295
|
|
|
$this->contentLength = -1; |
296
|
|
|
} |
297
|
|
View Code Duplication |
if (isset($this->headers['HTTP_TRANSFER_ENCODING'])) { |
|
|
|
|
298
|
|
|
$e = explode(', ', strtolower($this->headers['HTTP_TRANSFER_ENCODING'])); |
299
|
|
|
$this->chunked = in_array('chunked', $e, true); |
300
|
|
|
} else { |
301
|
|
|
$this->chunked = false; |
302
|
|
|
} |
303
|
|
View Code Duplication |
if (isset($this->headers['HTTP_CONNECTION'])) { |
|
|
|
|
304
|
|
|
$e = explode(', ', strtolower($this->headers['HTTP_CONNECTION'])); |
305
|
|
|
$this->keepalive = in_array('keep-alive', $e, true); |
306
|
|
|
} |
307
|
|
|
if (isset($this->headers['HTTP_CONTENT_TYPE'])) { |
308
|
|
|
parse_str('type=' . strtr($this->headers['HTTP_CONTENT_TYPE'], [';' => '&', ' ' => '']), $p); |
309
|
|
|
$this->contentType = $p['type']; |
310
|
|
|
if (isset($p['charset'])) { |
311
|
|
|
$this->charset = strtolower($p['charset']); |
312
|
|
|
} |
313
|
|
|
} |
314
|
|
|
if ($this->contentLength === -1 && !$this->chunked && !$this->keepalive) { |
315
|
|
|
$this->eofTerminated = true; |
316
|
|
|
} |
317
|
|
|
if ($this->reqType === 'HEAD') { |
318
|
|
|
$this->requestFinished(); |
319
|
|
|
} else { |
320
|
|
|
$this->state = self::STATE_BODY; |
321
|
|
|
} |
322
|
|
|
break; |
323
|
|
|
} |
324
|
|
|
if ($this->state === self::STATE_ROOT) { |
325
|
|
|
$this->headers['STATUS'] = $line; |
326
|
|
|
$e = explode(' ', $this->headers['STATUS']); |
327
|
|
|
$this->responseCode = isset($e[1]) ? (int)$e[1] : 0; |
328
|
|
|
$this->state = self::STATE_HEADERS; |
329
|
|
|
} elseif ($this->state === self::STATE_HEADERS) { |
330
|
|
|
$e = explode(': ', $line); |
331
|
|
|
|
332
|
|
|
if (isset($e[1])) { |
333
|
|
|
$k = 'HTTP_' . strtoupper(strtr($e[0], Generic::$htr)); |
334
|
|
|
if ($k === 'HTTP_SET_COOKIE') { |
335
|
|
|
parse_str(strtr($e[1], [';' => '&', ' ' => '']), $p); |
336
|
|
|
if (sizeof($p)) { |
337
|
|
|
$this->cookie[$k = key($p)] =& $p; |
338
|
|
|
$p['value'] = $p[$k]; |
339
|
|
|
unset($p[$k], $p); |
340
|
|
|
} |
341
|
|
|
} |
342
|
|
|
if (isset($this->headers[$k])) { |
343
|
|
|
if (is_array($this->headers[$k])) { |
344
|
|
|
$this->headers[$k][] = $e[1]; |
345
|
|
|
} else { |
346
|
|
|
$this->headers[$k] = [$this->headers[$k], $e[1]]; |
347
|
|
|
} |
348
|
|
|
} else { |
349
|
|
|
$this->headers[$k] = $e[1]; |
350
|
|
|
} |
351
|
|
|
} |
352
|
|
|
} |
353
|
|
|
} |
354
|
|
|
if ($this->state !== self::STATE_BODY) { |
355
|
|
|
return; // not enough data yet |
356
|
|
|
} |
357
|
|
|
body: |
358
|
|
|
if ($this->eofTerminated) { |
359
|
|
|
$body = $this->readUnlimited(); |
360
|
|
|
if ($this->chunkcb) { |
361
|
|
|
$func = $this->chunkcb; |
362
|
|
|
$func($body); |
363
|
|
|
} |
364
|
|
|
$this->body .= $body; |
365
|
|
|
return; |
366
|
|
|
} |
367
|
|
|
if ($this->chunked) { |
368
|
|
|
chunk: |
369
|
|
|
if ($this->curChunkSize === null) { // outside of chunk |
370
|
|
|
$l = $this->readLine(); |
371
|
|
|
if ($l === '') { // skip empty line |
372
|
|
|
goto chunk; |
373
|
|
|
} |
374
|
|
|
if ($l === null) { |
375
|
|
|
return; // not enough data yet |
376
|
|
|
} |
377
|
|
|
if (!ctype_xdigit($l)) { |
378
|
|
|
$this->protocolError = __LINE__; |
379
|
|
|
$this->finish(); // protocol error |
380
|
|
|
return; |
381
|
|
|
} |
382
|
|
|
$this->curChunkSize = hexdec($l); |
|
|
|
|
383
|
|
|
} |
384
|
|
|
if ($this->curChunkSize !== null) { |
385
|
|
|
if ($this->curChunkSize === 0) { |
386
|
|
|
if ($this->readLine() === '') { |
387
|
|
|
$this->requestFinished(); |
388
|
|
|
return; |
389
|
|
|
} else { // protocol error |
390
|
|
|
$this->protocolError = __LINE__; |
391
|
|
|
$this->finish(); |
392
|
|
|
return; |
393
|
|
|
} |
394
|
|
|
} |
395
|
|
|
$n = $this->curChunkSize - mb_orig_strlen($this->curChunk); |
396
|
|
|
$this->curChunk .= $this->read($n); |
397
|
|
|
if ($this->curChunkSize <= mb_orig_strlen($this->curChunk)) { |
398
|
|
|
if ($this->chunkcb) { |
399
|
|
|
$func = $this->chunkcb; |
400
|
|
|
$func($this->curChunk); |
401
|
|
|
} |
402
|
|
|
$this->body .= $this->curChunk; |
403
|
|
|
$this->curChunkSize = null; |
404
|
|
|
$this->curChunk = ''; |
405
|
|
|
goto chunk; |
406
|
|
|
} |
407
|
|
|
} |
408
|
|
|
} else { |
409
|
|
|
$body = $this->read($this->contentLength - mb_orig_strlen($this->body)); |
410
|
|
|
if ($this->chunkcb) { |
411
|
|
|
$func = $this->chunkcb; |
412
|
|
|
$func($body); |
413
|
|
|
} |
414
|
|
|
$this->body .= $body; |
415
|
|
|
if (($this->contentLength !== -1) && (mb_orig_strlen($this->body) >= $this->contentLength)) { |
416
|
|
|
$this->requestFinished(); |
417
|
|
|
} |
418
|
|
|
} |
419
|
|
|
} |
420
|
|
|
|
421
|
|
|
/** |
422
|
|
|
* Called when connection finishes |
423
|
|
|
*/ |
424
|
|
|
public function onFinish() |
425
|
|
|
{ |
426
|
|
|
if ($this->eofTerminated) { |
427
|
|
|
$this->requestFinished(); |
428
|
|
|
$this->onResponse->executeAll($this, false); |
429
|
|
|
parent::onFinish(); |
430
|
|
|
return; |
431
|
|
|
} |
432
|
|
|
if ($this->protocolError) { |
433
|
|
|
$this->onResponse->executeAll($this, false); |
434
|
|
|
} else { |
435
|
|
|
if (($this->state !== self::STATE_ROOT) && !$this->onResponse->isEmpty()) { |
436
|
|
|
$this->requestFinished(); |
437
|
|
|
} |
438
|
|
|
} |
439
|
|
|
parent::onFinish(); |
440
|
|
|
} |
441
|
|
|
|
442
|
|
|
/** |
443
|
|
|
* Called when request is finished |
444
|
|
|
*/ |
445
|
|
|
protected function requestFinished() |
446
|
|
|
{ |
447
|
|
|
$this->onResponse->executeOne($this, true); |
448
|
|
|
$this->state = self::STATE_ROOT; |
449
|
|
|
$this->contentLength = -1; |
450
|
|
|
$this->curChunkSize = null; |
451
|
|
|
$this->chunked = false; |
452
|
|
|
$this->eofTerminated = false; |
453
|
|
|
$this->headers = []; |
454
|
|
|
$this->rawHeaders = null; |
|
|
|
|
455
|
|
|
$this->contentType = null; |
456
|
|
|
$this->charset = null; |
457
|
|
|
$this->body = ''; |
458
|
|
|
$this->responseCode = 0; |
459
|
|
|
$this->reqType = null; |
460
|
|
|
if (!$this->keepalive) { |
461
|
|
|
$this->finish(); |
462
|
|
|
} |
463
|
|
|
$this->checkFree(); |
464
|
|
|
} |
465
|
|
|
} |
466
|
|
|
|
Overly long lines are hard to read on any screen. Most code styles therefor impose a maximum limit on the number of characters in a line.