1
|
|
|
<?php |
2
|
|
|
namespace PHPDaemon\Servers\HTTP; |
3
|
|
|
|
4
|
|
|
use PHPDaemon\Core\Daemon; |
5
|
|
|
use PHPDaemon\Core\Debug; |
6
|
|
|
use PHPDaemon\Core\Timer; |
7
|
|
|
use PHPDaemon\FS\FileSystem; |
8
|
|
|
use PHPDaemon\HTTPRequest\Generic; |
9
|
|
|
use PHPDaemon\HTTPRequest\Input; |
10
|
|
|
use PHPDaemon\Request\IRequestUpstream; |
11
|
|
|
|
12
|
|
|
/** |
13
|
|
|
* @package NetworkServers |
14
|
|
|
* @subpackage Base |
15
|
|
|
* @author Vasily Zorin <[email protected]> |
16
|
|
|
*/ |
17
|
|
|
class Connection extends \PHPDaemon\Network\Connection implements IRequestUpstream |
18
|
|
|
{ |
19
|
|
|
|
20
|
|
|
protected $initialLowMark = 1; |
21
|
|
|
|
22
|
|
|
/** |
23
|
|
|
* @var integer initial value of the maximum amout of bytes in buffer |
24
|
|
|
*/ |
25
|
|
|
protected $initialHighMark = 8192; |
26
|
|
|
|
27
|
|
|
protected $timeout = 45; |
28
|
|
|
|
29
|
|
|
protected $req; |
30
|
|
|
|
31
|
|
|
protected $keepaliveTimer; |
32
|
|
|
|
33
|
|
|
protected $freedBeforeProcessing = false; |
34
|
|
|
|
35
|
|
|
/** |
36
|
|
|
* @TODO DESCR |
|
|
|
|
37
|
|
|
*/ |
38
|
|
|
const STATE_FIRSTLINE = 1; |
39
|
|
|
/** |
40
|
|
|
* @TODO DESCR |
|
|
|
|
41
|
|
|
*/ |
42
|
|
|
const STATE_HEADERS = 2; |
43
|
|
|
/** |
44
|
|
|
* @TODO DESCR |
|
|
|
|
45
|
|
|
*/ |
46
|
|
|
const STATE_CONTENT = 3; |
47
|
|
|
/** |
48
|
|
|
* @TODO DESCR |
|
|
|
|
49
|
|
|
*/ |
50
|
|
|
const STATE_PROCESSING = 4; |
51
|
|
|
|
52
|
|
|
protected $EOL = "\r\n"; |
53
|
|
|
protected $currentHeader; |
54
|
|
|
|
55
|
|
|
protected $policyReqNotFound = false; |
56
|
|
|
|
57
|
|
|
/** |
58
|
|
|
* Check if Sendfile is supported here. |
59
|
|
|
* @return boolean Succes |
60
|
|
|
*/ |
61
|
|
|
public function checkSendfileCap() |
62
|
|
|
{ // @DISCUSS |
63
|
|
|
return true; |
64
|
|
|
} |
65
|
|
|
|
66
|
|
|
/** |
67
|
|
|
* Check if Chunked encoding is supported here. |
68
|
|
|
* @return boolean Succes |
69
|
|
|
*/ |
70
|
|
|
public function checkChunkedEncCap() |
71
|
|
|
{ // @DISCUSS |
72
|
|
|
return true; |
73
|
|
|
} |
74
|
|
|
|
75
|
|
|
/** |
76
|
|
|
* @TODO |
|
|
|
|
77
|
|
|
* @return integer |
78
|
|
|
*/ |
79
|
|
|
public function getKeepaliveTimeout() |
80
|
|
|
{ |
81
|
|
|
return $this->pool->config->keepalive->value; |
82
|
|
|
} |
83
|
|
|
|
84
|
|
|
/** |
85
|
|
|
* Read first line of HTTP request |
86
|
|
|
* @return boolean|null Success |
87
|
|
|
*/ |
88
|
|
|
protected function httpReadFirstline() |
89
|
|
|
{ |
90
|
|
|
//D($this->look(2048)); |
|
|
|
|
91
|
|
|
if (($l = $this->readline()) === null) { |
92
|
|
|
return null; |
93
|
|
|
} |
94
|
|
|
$e = explode(' ', $l); |
95
|
|
|
$u = isset($e[1]) ? parse_url($e[1]) : false; |
96
|
|
|
if ($u === false) { |
97
|
|
|
$this->badRequest($this->req); |
98
|
|
|
return false; |
99
|
|
|
} |
100
|
|
|
if (!isset($u['path'])) { |
101
|
|
|
$u['path'] = null; |
102
|
|
|
} |
103
|
|
|
if (isset($u['host'])) { |
104
|
|
|
$this->req->attrs->server['HTTP_HOST'] = $u['host']; |
105
|
|
|
} |
106
|
|
|
$srv = & $this->req->attrs->server; |
107
|
|
|
$srv['REQUEST_METHOD'] = $e[0]; |
108
|
|
|
$srv['REQUEST_TIME'] = time(); |
109
|
|
|
$srv['REQUEST_TIME_FLOAT'] = microtime(true); |
110
|
|
|
$srv['REQUEST_URI'] = $u['path'] . (isset($u['query']) ? '?' . $u['query'] : ''); |
111
|
|
|
$srv['DOCUMENT_URI'] = $u['path']; |
112
|
|
|
$srv['PHP_SELF'] = $u['path']; |
113
|
|
|
$srv['QUERY_STRING'] = isset($u['query']) ? $u['query'] : null; |
114
|
|
|
$srv['SCRIPT_NAME'] = $srv['DOCUMENT_URI'] = isset($u['path']) ? $u['path'] : '/'; |
115
|
|
|
$srv['SERVER_PROTOCOL'] = isset($e[2]) ? $e[2] : 'HTTP/1.1'; |
116
|
|
|
$srv['REMOTE_ADDR'] = $this->host; |
117
|
|
|
$srv['REMOTE_PORT'] = $this->port; |
118
|
|
|
$srv['HTTPS'] = $this->ssl ? 'on' : 'off'; |
119
|
|
|
return true; |
120
|
|
|
} |
121
|
|
|
|
122
|
|
|
/** |
123
|
|
|
* Read headers line-by-line |
124
|
|
|
* @return boolean|null Success |
125
|
|
|
*/ |
126
|
|
|
protected function httpReadHeaders() |
127
|
|
|
{ |
128
|
|
|
while (($l = $this->readLine()) !== null) { |
129
|
|
|
if ($l === '') { |
130
|
|
|
return true; |
131
|
|
|
} |
132
|
|
|
$e = explode(': ', $l); |
133
|
|
|
if (isset($e[1])) { |
134
|
|
|
$this->currentHeader = 'HTTP_' . strtoupper(strtr($e[0], Generic::$htr)); |
135
|
|
|
$this->req->attrs->server[$this->currentHeader] = $e[1]; |
136
|
|
View Code Duplication |
} elseif (($e[0][0] === "\t" || $e[0][0] === "\x20") && $this->currentHeader) { |
|
|
|
|
137
|
|
|
// multiline header continued |
138
|
|
|
$this->req->attrs->server[$this->currentHeader] .= $e[0]; |
139
|
|
|
} else { |
140
|
|
|
// whatever client speaks is not HTTP anymore |
141
|
|
|
$this->badRequest($this->req); |
142
|
|
|
return false; |
143
|
|
|
} |
144
|
|
|
} |
145
|
|
|
return null; |
146
|
|
|
} |
147
|
|
|
|
148
|
|
|
/** |
149
|
|
|
* Creates new Request object |
150
|
|
|
* @return \stdClass |
151
|
|
|
*/ |
152
|
|
|
protected function newRequest() |
153
|
|
|
{ |
154
|
|
|
$req = new \stdClass; |
155
|
|
|
$req->attrs = new \stdClass(); |
156
|
|
|
$req->attrs->request = []; |
157
|
|
|
$req->attrs->get = []; |
158
|
|
|
$req->attrs->post = []; |
159
|
|
|
$req->attrs->cookie = []; |
160
|
|
|
$req->attrs->server = []; |
161
|
|
|
$req->attrs->files = []; |
162
|
|
|
$req->attrs->session = null; |
163
|
|
|
$req->attrs->paramsDone = false; |
164
|
|
|
$req->attrs->inputDone = false; |
165
|
|
|
$req->attrs->input = new Input(); |
166
|
|
|
$req->attrs->inputReaded = 0; |
167
|
|
|
$req->attrs->chunked = false; |
168
|
|
|
$req->upstream = $this; |
169
|
|
|
return $req; |
170
|
|
|
} |
171
|
|
|
|
172
|
|
|
/** |
173
|
|
|
* Process HTTP headers |
174
|
|
|
* @return boolean Success |
175
|
|
|
*/ |
176
|
|
|
protected function httpProcessHeaders() |
177
|
|
|
{ |
178
|
|
|
$this->req->attrs->paramsDone = true; |
179
|
|
|
if ( |
180
|
|
|
isset($this->req->attrs->server['HTTP_CONNECTION']) && preg_match('~(?:^|\W)Upgrade(?:\W|$)~i', $this->req->attrs->server['HTTP_CONNECTION']) |
|
|
|
|
181
|
|
|
&& isset($this->req->attrs->server['HTTP_UPGRADE']) && (strtolower($this->req->attrs->server['HTTP_UPGRADE']) === 'websocket') |
|
|
|
|
182
|
|
|
) { |
183
|
|
|
if ($this->pool->WS) { |
184
|
|
|
$this->pool->WS->inheritFromRequest($this->req, $this); |
185
|
|
|
} |
186
|
|
|
return false; |
187
|
|
|
} |
188
|
|
|
|
189
|
|
|
$this->req = Daemon::$appResolver->getRequest($this->req, $this, isset($this->pool->config->responder->value) ? $this->pool->config->responder->value : null); |
|
|
|
|
190
|
|
|
if ($this->req instanceof \stdClass) { |
191
|
|
|
$this->endRequest($this->req, 0, 0); |
192
|
|
|
return false; |
193
|
|
|
} else { |
194
|
|
|
if ($this->pool->config->sendfile->value && (!$this->pool->config->sendfileonlybycommand->value || isset($this->req->attrs->server['USE_SENDFILE'])) |
|
|
|
|
195
|
|
|
&& !isset($this->req->attrs->server['DONT_USE_SENDFILE']) |
196
|
|
|
) { |
197
|
|
|
$req = $this->req; |
198
|
|
|
FileSystem::tempnam($this->pool->config->sendfiledir->value, $this->pool->config->sendfileprefix->value, function ($fn) use ($req) { |
|
|
|
|
199
|
|
|
FileSystem::open($fn, 'wb', function ($file) use ($req) { |
200
|
|
|
$req->sendfp = $file; |
201
|
|
|
}); |
202
|
|
|
$req->header('X-Sendfile: ' . $fn); |
203
|
|
|
}); |
204
|
|
|
} |
205
|
|
|
$this->req->callInit(); |
206
|
|
|
} |
207
|
|
|
return true; |
208
|
|
|
} |
209
|
|
|
|
210
|
|
|
/* Used for debugging protocol issues */ |
211
|
|
|
/*public function readline() { |
|
|
|
|
212
|
|
|
$s = parent::readline(); |
213
|
|
|
Daemon::log(Debug::json($s)); |
214
|
|
|
return $s; |
215
|
|
|
} |
216
|
|
|
|
217
|
|
|
public function write($s) { |
218
|
|
|
Daemon::log(Debug::json($s)); |
219
|
|
|
parent::write($s); |
220
|
|
|
}* |
221
|
|
|
|
222
|
|
|
/** |
223
|
|
|
* Called when new data received. |
224
|
|
|
* @return void |
225
|
|
|
*/ |
226
|
|
|
|
227
|
|
|
/** |
228
|
|
|
* onRead |
229
|
|
|
* @return void |
230
|
|
|
*/ |
231
|
|
|
protected function onRead() |
232
|
|
|
{ |
233
|
|
View Code Duplication |
if (!$this->policyReqNotFound) { |
|
|
|
|
234
|
|
|
$d = $this->drainIfMatch("<policy-file-request/>\x00"); |
235
|
|
|
if ($d === null) { // partially match |
236
|
|
|
return; |
237
|
|
|
} |
238
|
|
|
if ($d) { |
239
|
|
|
if (($FP = \PHPDaemon\Servers\FlashPolicy\Pool::getInstance($this->pool->config->fpsname->value, false)) && $FP->policyData) { |
|
|
|
|
240
|
|
|
$this->write($FP->policyData . "\x00"); |
241
|
|
|
} |
242
|
|
|
$this->finish(); |
243
|
|
|
return; |
244
|
|
|
} else { |
245
|
|
|
$this->policyReqNotFound = true; |
246
|
|
|
} |
247
|
|
|
} |
248
|
|
|
start: |
249
|
|
|
if ($this->finished) { |
250
|
|
|
return; |
251
|
|
|
} |
252
|
|
|
if ($this->state === self::STATE_ROOT) { |
253
|
|
|
if ($this->req !== null) { // we have to wait the current request |
254
|
|
|
return; |
255
|
|
|
} |
256
|
|
|
if (!$this->req = $this->newRequest()) { |
257
|
|
|
$this->finish(); |
258
|
|
|
return; |
259
|
|
|
} |
260
|
|
|
$this->state = self::STATE_FIRSTLINE; |
261
|
|
|
} else { |
262
|
|
|
if (!$this->req || $this->state === self::STATE_PROCESSING) { |
263
|
|
|
if (isset($this->bev) && ($this->bev->input->length > 0)) { |
264
|
|
|
Daemon::log('Unexpected input (HTTP request, ' . $this->state . '): ' . json_encode($this->read($this->bev->input->length))); |
|
|
|
|
265
|
|
|
} |
266
|
|
|
return; |
267
|
|
|
} |
268
|
|
|
} |
269
|
|
|
|
270
|
|
|
if ($this->state === self::STATE_FIRSTLINE) { |
271
|
|
|
if (!$this->httpReadFirstline()) { |
272
|
|
|
return; |
273
|
|
|
} |
274
|
|
|
Timer::remove($this->keepaliveTimer); |
275
|
|
|
$this->state = self::STATE_HEADERS; |
276
|
|
|
} |
277
|
|
|
|
278
|
|
View Code Duplication |
if ($this->state === self::STATE_HEADERS) { |
|
|
|
|
279
|
|
|
if (!$this->httpReadHeaders()) { |
280
|
|
|
return; |
281
|
|
|
} |
282
|
|
|
if (!$this->httpProcessHeaders()) { |
283
|
|
|
$this->finish(); |
284
|
|
|
return; |
285
|
|
|
} |
286
|
|
|
$this->state = self::STATE_CONTENT; |
287
|
|
|
} |
288
|
|
|
if ($this->state === self::STATE_CONTENT) { |
289
|
|
|
if (!isset($this->req->attrs->input) || !$this->req->attrs->input) { |
290
|
|
|
$this->finish(); |
291
|
|
|
return; |
292
|
|
|
} |
293
|
|
|
$this->req->attrs->input->readFromBuffer($this->bev->input); |
294
|
|
|
if (!$this->req->attrs->input->isEOF()) { |
295
|
|
|
return; |
296
|
|
|
} |
297
|
|
|
$this->state = self::STATE_PROCESSING; |
298
|
|
|
if ($this->freedBeforeProcessing) { |
299
|
|
|
$this->freeRequest($this->req); |
300
|
|
|
$this->freedBeforeProcessing = false; |
301
|
|
|
goto start; |
302
|
|
|
} |
303
|
|
|
$this->freezeInput(); |
304
|
|
|
if ($this->req->attrs->inputDone && $this->req->attrs->paramsDone) { |
305
|
|
|
if ($this->pool->variablesOrder === null) { |
306
|
|
|
$this->req->attrs->request = $this->req->attrs->get + $this->req->attrs->post + $this->req->attrs->cookie; |
|
|
|
|
307
|
|
|
} else { |
308
|
|
|
for ($i = 0, $s = mb_orig_strlen($this->pool->variablesOrder); $i < $s; ++$i) { |
309
|
|
|
$char = $this->pool->variablesOrder[$i]; |
310
|
|
|
if ($char === 'G') { |
311
|
|
View Code Duplication |
if (is_array($this->req->attrs->get)) { |
|
|
|
|
312
|
|
|
$this->req->attrs->request += $this->req->attrs->get; |
313
|
|
|
} |
314
|
|
View Code Duplication |
} elseif ($char === 'P') { |
|
|
|
|
315
|
|
|
if (is_array($this->req->attrs->post)) { |
316
|
|
|
$this->req->attrs->request += $this->req->attrs->post; |
317
|
|
|
} |
318
|
|
|
} elseif ($char === 'C') { |
319
|
|
View Code Duplication |
if (is_array($this->req->attrs->cookie)) { |
|
|
|
|
320
|
|
|
$this->req->attrs->request += $this->req->attrs->cookie; |
321
|
|
|
} |
322
|
|
|
} |
323
|
|
|
} |
324
|
|
|
} |
325
|
|
|
Daemon::$process->timeLastActivity = time(); |
326
|
|
|
} |
327
|
|
|
} |
328
|
|
|
} |
329
|
|
|
|
330
|
|
|
/** |
331
|
|
|
* Handles the output from downstream requests. |
332
|
|
|
* @param object $req \PHPDaemon\Request\Generic. |
333
|
|
|
* @param string $s The output. |
334
|
|
|
* @return boolean Success |
335
|
|
|
*/ |
336
|
|
|
public function requestOut($req, $s) |
337
|
|
|
{ |
338
|
|
|
if ($this->write($s) === false) { |
339
|
|
|
$req->abort(); |
340
|
|
|
return false; |
341
|
|
|
} |
342
|
|
|
return true; |
343
|
|
|
} |
344
|
|
|
|
345
|
|
|
/** |
346
|
|
|
* End request |
347
|
|
|
* @return void |
348
|
|
|
*/ |
349
|
|
|
public function endRequest($req, $appStatus, $protoStatus) |
350
|
|
|
{ |
351
|
|
|
if ($protoStatus === -1) { |
352
|
|
|
$this->close(); |
353
|
|
|
} else { |
354
|
|
|
if ($req->attrs->chunked) { |
355
|
|
|
$this->write("0\r\n\r\n"); |
356
|
|
|
} |
357
|
|
|
|
358
|
|
|
if (isset($req->keepalive) && $req->keepalive && $this->pool->config->keepalive->value) { |
359
|
|
|
$this->keepaliveTimer = setTimeout(function ($timer) { |
|
|
|
|
360
|
|
|
$this->finish(); |
361
|
|
|
}, $this->pool->config->keepalive->value); |
362
|
|
|
} else { |
363
|
|
|
$this->finish(); |
364
|
|
|
} |
365
|
|
|
} |
366
|
|
|
$this->freeRequest($req); |
367
|
|
|
} |
368
|
|
|
|
369
|
|
|
/** |
370
|
|
|
* Frees this request |
371
|
|
|
* @return void |
372
|
|
|
*/ |
373
|
|
|
public function freeRequest($req) |
374
|
|
|
{ |
375
|
|
|
if ($this->state !== self::STATE_PROCESSING) { |
376
|
|
|
$this->freedBeforeProcessing = true; |
377
|
|
|
return; |
378
|
|
|
} |
379
|
|
|
$req->attrs->input = null; |
380
|
|
|
$this->req = null; |
381
|
|
|
$this->state = self::STATE_ROOT; |
382
|
|
|
$this->unfreezeInput(); |
383
|
|
|
} |
384
|
|
|
|
385
|
|
|
/** |
386
|
|
|
* Called when connection is finished |
387
|
|
|
* @return void |
388
|
|
|
*/ |
389
|
|
|
public function onFinish() |
390
|
|
|
{ |
391
|
|
|
Timer::remove($this->keepaliveTimer); |
392
|
|
|
if ($this->req !== null && $this->req instanceof Generic) { |
393
|
|
|
if (!$this->req->isFinished()) { |
394
|
|
|
$this->req->abort(); |
395
|
|
|
} |
396
|
|
|
} |
397
|
|
|
$this->req = null; |
398
|
|
|
} |
399
|
|
|
|
400
|
|
|
/** |
401
|
|
|
* Send Bad request |
402
|
|
|
* @return void |
403
|
|
|
*/ |
404
|
|
|
public function badRequest($req) |
405
|
|
|
{ |
406
|
|
|
$this->state = self::STATE_ROOT; |
407
|
|
|
$this->write("400 Bad Request\r\n\r\n<html><head><title>400 Bad Request</title></head><body bgcolor=\"white\"><center><h1>400 Bad Request</h1></center></body></html>"); |
|
|
|
|
408
|
|
|
$this->finish(); |
409
|
|
|
} |
410
|
|
|
} |
411
|
|
|
|
This check looks
TODO
comments that have been left in the code.``TODO``s show that something is left unfinished and should be attended to.