47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
-
+
+
|
#import "OFTruncatedDataException.h"
#import "OFUnsupportedProtocolException.h"
#import "OFUnsupportedVersionException.h"
#import "OFWriteFailedException.h"
#define REDIRECTS_DEFAULT 10
@interface OFHTTPClientRequestHandler: OFObject
@interface OFHTTPClientRequestHandler: OFObject <OFStreamDelegate>
{
@public
OFHTTPClient *_client;
OFHTTPRequest *_request;
OFString *_requestString;
unsigned int _redirects;
id _context;
bool _firstLine;
OFString *_version;
int _status;
OFMutableDictionary OF_GENERIC(OFString *, OFString *) *_serverHeaders;
}
|
274
275
276
277
278
279
280
281
282
283
284
285
286
287
|
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
|
+
|
return self;
}
- (void)dealloc
{
[_client release];
[_request release];
[_requestString release];
[_context release];
[_version release];
[_serverHeaders release];
[super dealloc];
}
|
474
475
476
477
478
479
480
481
482
483
484
485
486
487
|
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
|
+
+
|
if ([_client->_delegate respondsToSelector: @selector(client:
didReceiveHeaders:statusCode:request:context:)])
[_client->_delegate client: _client
didReceiveHeaders: _serverHeaders
statusCode: _status
request: _request
context: _context];
[sock setDelegate: nil];
[self performSelector: @selector(createResponseWithSocket:)
withObject: sock
afterDelay: 0];
return false;
}
|
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
|
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
|
-
+
-
-
-
-
-
-
-
-
-
-
-
-
+
-
-
-
-
+
-
-
-
+
+
-
-
-
-
-
+
+
+
+
+
+
+
-
+
-
-
+
+
+
+
+
+
+
+
+
+
-
+
-
-
-
+
-
+
-
-
-
-
-
-
+
+
-
-
-
-
+
+
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+
+
+
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+
+
-
-
-
+
+
+
-
|
[_serverHeaders setObject: value
forKey: key];
return true;
}
- (bool)socket: (OFTCPSocket *)sock
- (bool)stream: (OF_KINDOF(OFStream *))sock
didReadLine: (OFString *)line
context: (id)context
exception: (id)exception
{
bool ret;
if (exception != nil) {
if ([exception isKindOfClass:
[OFInvalidEncodingException class]])
exception = [OFInvalidServerReplyException exception];
[self raiseException: exception];
return false;
}
@try {
if (_firstLine) {
_firstLine = false;
ret = [self handleFirstLine: line];
} else
ret = [self handleServerHeader: line
socket: sock];
} @catch (id e) {
[self raiseException: e];
ret = false;
}
return ret;
}
- (size_t)socket: (OFTCPSocket *)sock
- (void)stream: (OF_KINDOF(OFStream *))sock
didWriteRequest: (const void **)request
length: (size_t)length
context: (id)context
exception: (id)exception
didFailWithException: (id)exception
{
if (exception != nil) {
if ([exception isKindOfClass: [OFWriteFailedException class]] &&
([exception errNo] == ECONNRESET ||
if ([exception isKindOfClass: [OFWriteFailedException class]] &&
([exception errNo] == ECONNRESET || [exception errNo] == EPIPE)) {
[exception errNo] == EPIPE)) {
/* In case a keep-alive connection timed out */
[self closeAndReconnect];
return 0;
}
/* In case a keep-alive connection timed out */
[self closeAndReconnect];
return;
}
if ([exception isKindOfClass: [OFInvalidEncodingException class]])
exception = [OFInvalidServerReplyException exception];
[self raiseException: exception];
[self raiseException: exception];
return 0;
}
}
- (size_t)stream: (OF_KINDOF(OFStream *))sock
didWriteBuffer: (const void **)request
length: (size_t)length
{
_firstLine = true;
[_requestString release];
_requestString = nil;
if ([[_request headers] objectForKey: @"Content-Length"] != nil) {
[sock setDelegate: nil];
OFStream *requestBody = [[[OFHTTPClientRequestBodyStream alloc]
initWithHandler: self
socket: sock] autorelease];
if ([_client->_delegate respondsToSelector:
@selector(client:wantsRequestBody:request:context:)])
[_client->_delegate client: _client
wantsRequestBody: requestBody
request: _request
context: _context];
} else
[sock asyncReadLineWithTarget: self
[sock asyncReadLine];
selector: @selector(socket:didReadLine:
context:exception:)
context: nil];
return 0;
}
- (void)handleSocket: (OFTCPSocket *)sock
{
/*
* As a work around for a bug with split packets in lighttpd when using
* HTTPS, we construct the complete request in a buffer string and then
* send it all at once.
*
* We do not use the socket's write buffer in case we need to resend
* the entire request (e.g. in case a keep-alive connection timed out).
*/
@try {
[_requestString release];
OFString *requestString = constructRequestString(_request);
_requestString = [constructRequestString(_request) retain];
/*
* Pass requestString as context to retain it so that the
* underlying buffer lives long enough.
*/
[sock asyncWriteBuffer: [requestString UTF8String]
length: [requestString UTF8StringLength]
[sock asyncWriteBuffer: [_requestString UTF8String]
length: [_requestString UTF8StringLength]];
target: self
selector: @selector(socket:didWriteRequest:
length:context:exception:)
context: requestString];
} @catch (id e) {
[self raiseException: e];
return;
}
}
- (void)socketDidConnect: (OFTCPSocket *)sock
context: (id)context
exception: (id)exception
{
if (exception != nil) {
[self raiseException: exception];
return;
}
[sock setDelegate: self];
if ([_client->_delegate respondsToSelector:
@selector(client:didCreateSocket:request:context:)])
[_client->_delegate client: _client
didCreateSocket: sock
request: _request
context: _context];
[self performSelector: @selector(handleSocket:)
withObject: sock
afterDelay: 0];
}
- (bool)throwAwayContent: (OFHTTPClientResponse *)response
buffer: (char *)buffer
length: (size_t)length
context: (OFTCPSocket *)sock
exception: (id)exception
{
if (exception != nil) {
[self raiseException: exception];
return false;
}
if ([response isAtEndOfStream]) {
[self freeMemory: buffer];
[_client->_lastResponse release];
_client->_lastResponse = nil;
[self performSelector: @selector(handleSocket:)
withObject: sock
afterDelay: 0];
return false;
}
return true;
}
- (void)start
{
OFURL *URL = [_request URL];
OFTCPSocket *sock;
/* Can we reuse the last socket? */
if (_client->_socket != nil && ![_client->_socket isAtEndOfStream] &&
[[_client->_lastURL scheme] isEqual: [URL scheme]] &&
[[_client->_lastURL host] isEqual: [URL host]] &&
[_client->_lastURL port] == [URL port]) {
[_client->_lastURL port] == [URL port] &&
(_client->_lastWasHEAD ||
[_client->_lastResponse isAtEndOfStream])) {
/*
* Set _socket to nil, so that in case of an error it won't be
* reused. If everything is successful, we set _socket again
* at the end.
*/
sock = [_client->_socket autorelease];
_client->_socket = nil;
[_client->_lastURL release];
_client->_lastURL = nil;
if (!_client->_lastWasHEAD &&
![_client->_lastResponse isAtEndOfStream]) {
/* Throw away content that has not been read yet */
char *buffer = [self allocMemoryWithSize: 512];
[_client->_lastResponse
asyncReadIntoBuffer: buffer
length: 512
target: self
selector: @selector(throwAwayContent:
buffer:length:context:
exception:)
context: sock];
} else {
[_client->_lastResponse release];
_client->_lastResponse = nil;
[_client->_lastResponse release];
_client->_lastResponse = nil;
[self performSelector: @selector(handleSocket:)
withObject: sock
afterDelay: 0];
[self performSelector: @selector(handleSocket:)
withObject: sock
afterDelay: 0];
}
} else
[self closeAndReconnect];
}
- (void)closeAndReconnect
{
@try {
|
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
|
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
|
+
-
+
-
-
-
|
{
if (_socket == nil)
return;
if (_toWrite > 0)
@throw [OFTruncatedDataException exception];
[_socket setDelegate: _handler];
[_socket asyncReadLineWithTarget: _handler
[_socket asyncReadLine];
selector: @selector(socket:didReadLine:context:
exception:)
context: nil];
[_socket release];
_socket = nil;
}
- (int)fileDescriptorForWriting
{
|