1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
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
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
|
// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome_frame/urlmon_url_request.h"
#include <wininet.h>
#include <urlmon.h>
#include "base/logging.h"
#include "base/message_loop.h"
#include "base/scoped_ptr.h"
#include "base/string_number_conversions.h"
#include "base/stringprintf.h"
#include "base/utf_string_conversions.h"
#include "chrome_frame/bind_context_info.h"
#include "chrome_frame/chrome_frame_activex_base.h"
#include "chrome_frame/extra_system_apis.h"
#include "chrome_frame/html_utils.h"
#include "chrome_frame/urlmon_url_request_private.h"
#include "chrome_frame/urlmon_upload_data_stream.h"
#include "chrome_frame/utils.h"
#include "net/base/load_flags.h"
#include "net/http/http_util.h"
#include "net/http/http_response_headers.h"
UrlmonUrlRequest::UrlmonUrlRequest()
: pending_read_size_(0),
headers_received_(false),
calling_delegate_(0),
thread_(NULL),
parent_window_(NULL),
privileged_mode_(false),
pending_(false),
is_expecting_download_(true),
cleanup_transaction_(false) {
DVLOG(1) << __FUNCTION__ << me();
}
UrlmonUrlRequest::~UrlmonUrlRequest() {
DVLOG(1) << __FUNCTION__ << me();
}
std::string UrlmonUrlRequest::me() const {
return base::StringPrintf(" id: %i Obj: %X ", id(), this);
}
bool UrlmonUrlRequest::Start() {
DVLOG(1) << __FUNCTION__ << me() << url();
DCHECK(thread_ == 0 || thread_ == PlatformThread::CurrentId());
thread_ = PlatformThread::CurrentId();
status_.Start();
// The UrlmonUrlRequest instance can get destroyed in the context of
// StartAsyncDownload if BindToStorage finishes synchronously with an error.
// Grab a reference to protect against this.
scoped_refptr<UrlmonUrlRequest> ref(this);
HRESULT hr = StartAsyncDownload();
if (FAILED(hr) && status_.get_state() != UrlmonUrlRequest::Status::DONE) {
status_.Done();
status_.set_result(URLRequestStatus::FAILED, HresultToNetError(hr));
NotifyDelegateAndDie();
}
return true;
}
void UrlmonUrlRequest::Stop() {
DCHECK_EQ(thread_, PlatformThread::CurrentId());
DCHECK((status_.get_state() != Status::DONE) == (binding_ != NULL));
Status::State state = status_.get_state();
delegate_ = NULL;
// If DownloadInHost is already requested, we will quit soon anyway.
if (terminate_requested())
return;
switch (state) {
case Status::WORKING:
status_.Cancel();
if (binding_)
binding_->Abort();
break;
case Status::ABORTING:
status_.Cancel();
break;
case Status::DONE:
status_.Cancel();
NotifyDelegateAndDie();
break;
}
}
bool UrlmonUrlRequest::Read(int bytes_to_read) {
DCHECK_EQ(thread_, PlatformThread::CurrentId());
DCHECK_GE(bytes_to_read, 0);
DCHECK_EQ(0, calling_delegate_);
DVLOG(1) << __FUNCTION__ << me();
is_expecting_download_ = false;
// Re-entrancy check. Thou shall not call Read() while process OnReadComplete!
DCHECK_EQ(0u, pending_read_size_);
if (pending_read_size_ != 0)
return false;
DCHECK((status_.get_state() != Status::DONE) == (binding_ != NULL));
if (status_.get_state() == Status::ABORTING)
return true;
// Send data if available.
size_t bytes_copied = 0;
if ((bytes_copied = SendDataToDelegate(bytes_to_read))) {
DVLOG(1) << __FUNCTION__ << me() << " bytes read: " << bytes_copied;
return true;
}
if (status_.get_state() == Status::WORKING) {
DVLOG(1) << __FUNCTION__ << me() << " pending: " << bytes_to_read;
pending_read_size_ = bytes_to_read;
} else {
DVLOG(1) << __FUNCTION__ << me() << " Response finished.";
NotifyDelegateAndDie();
}
return true;
}
HRESULT UrlmonUrlRequest::InitPending(const GURL& url, IMoniker* moniker,
IBindCtx* bind_context,
bool enable_frame_busting,
bool privileged_mode,
HWND notification_window,
IStream* cache) {
DVLOG(1) << __FUNCTION__ << me() << url.spec();
DCHECK(bind_context_ == NULL);
DCHECK(moniker_ == NULL);
DCHECK(cache_ == NULL);
DCHECK(thread_ == 0 || thread_ == PlatformThread::CurrentId());
thread_ = PlatformThread::CurrentId();
bind_context_ = bind_context;
moniker_ = moniker;
enable_frame_busting_ = enable_frame_busting;
privileged_mode_ = privileged_mode;
parent_window_ = notification_window;
cache_ = cache;
set_url(url.spec());
set_pending(true);
// Request has already started and data is fetched. We will get the
// GetBindInfo call as per contract but the return values are
// ignored. So just set "get" as a method to make our GetBindInfo
// implementation happy.
method_ = "get";
return S_OK;
}
void UrlmonUrlRequest::TerminateBind(TerminateBindCallback* callback) {
DCHECK_EQ(thread_, PlatformThread::CurrentId());
DVLOG(1) << __FUNCTION__ << me();
cleanup_transaction_ = false;
if (status_.get_state() == Status::DONE) {
// Binding is stopped. Note result could be an error.
callback->Run(moniker_, bind_context_);
delete callback;
} else {
// WORKING (ABORTING?). Save the callback.
// Now we will return INET_TERMINATE_BIND from ::OnDataAvailable() and in
// ::OnStopBinding will invoke the callback passing our moniker and
// bind context.
terminate_bind_callback_.reset(callback);
if (pending_data_) {
// For downloads to work correctly, we must induce a call to
// OnDataAvailable so that we can download INET_E_TERMINATED_BIND and
// get IE into the correct state.
// To accomplish this we read everything that's readily available in
// the current stream. Once we've reached the end of the stream we
// should get E_PENDING back and then later we'll get that call
// to OnDataAvailable.
std::string data;
ScopedComPtr<IStream> read_stream(pending_data_);
HRESULT hr;
while ((hr = ReadStream(read_stream, 0xffff, &data)) == S_OK) {
// Just drop the data.
}
DLOG_IF(WARNING, hr != E_PENDING) << __FUNCTION__ <<
base::StringPrintf(" expected E_PENDING but got 0x%08X", hr);
}
}
}
size_t UrlmonUrlRequest::SendDataToDelegate(size_t bytes_to_read) {
DCHECK_EQ(thread_, PlatformThread::CurrentId());
DCHECK_NE(id(), -1);
DCHECK_GT(bytes_to_read, 0U);
size_t bytes_copied = 0;
if (delegate_) {
std::string read_data;
if (cache_) {
HRESULT hr = ReadStream(cache_, bytes_to_read, &read_data);
if (hr == S_FALSE || read_data.length() < bytes_to_read) {
DVLOG(1) << __FUNCTION__ << me() << "all cached data read";
cache_.Release();
}
}
if (read_data.empty() && pending_data_) {
size_t pending_data_read_save = pending_read_size_;
pending_read_size_ = 0;
// AddRef the stream while we call Read to avoid a potential issue
// where we can get a call to OnDataAvailable while inside Read and
// in our OnDataAvailable call, we can release the stream object
// while still using it.
ScopedComPtr<IStream> pending(pending_data_);
HRESULT hr = ReadStream(pending, bytes_to_read, &read_data);
if (read_data.empty())
pending_read_size_ = pending_data_read_save;
// If we received S_FALSE it indicates that there is no more data in the
// stream. Clear it to ensure that OnStopBinding correctly sends over the
// response end notification to chrome.
if (hr == S_FALSE)
pending_data_.Release();
}
bytes_copied = read_data.length();
if (bytes_copied) {
++calling_delegate_;
DCHECK_NE(id(), -1);
// The delegate can go away in the middle of ReadStream
if (delegate_)
delegate_->OnReadComplete(id(), read_data);
--calling_delegate_;
}
} else {
DLOG(ERROR) << __FUNCTION__ << me() << "no delegate";
}
return bytes_copied;
}
STDMETHODIMP UrlmonUrlRequest::OnStartBinding(DWORD reserved,
IBinding* binding) {
DCHECK_EQ(thread_, PlatformThread::CurrentId());
binding_ = binding;
if (pending_) {
response_headers_ = GetHttpHeadersFromBinding(binding_);
DCHECK(!response_headers_.empty());
}
return S_OK;
}
STDMETHODIMP UrlmonUrlRequest::GetPriority(LONG *priority) {
if (!priority)
return E_POINTER;
*priority = THREAD_PRIORITY_NORMAL;
return S_OK;
}
STDMETHODIMP UrlmonUrlRequest::OnLowResource(DWORD reserved) {
return S_OK;
}
STDMETHODIMP UrlmonUrlRequest::OnProgress(ULONG progress, ULONG max_progress,
ULONG status_code, LPCWSTR status_text) {
DCHECK_EQ(thread_, PlatformThread::CurrentId());
if (status_.get_state() != Status::WORKING)
return S_OK;
// Ignore any notifications received while we are in the pending state
// waiting for the request to be initiated by Chrome.
if (pending_ && status_code != BINDSTATUS_REDIRECTING)
return S_OK;
if (!delegate_) {
DVLOG(1) << "Invalid delegate";
return S_OK;
}
switch (status_code) {
case BINDSTATUS_REDIRECTING: {
// If we receive a redirect for the initial pending request initiated
// when our document loads we should stash it away and inform Chrome
// accordingly when it requests data for the original URL.
ScopedComPtr<BindContextInfo> info;
BindContextInfo::FromBindContext(bind_context_, info.Receive());
DCHECK(info);
GURL previously_redirected(info ? info->url() : std::wstring());
if (GURL(status_text) != previously_redirected) {
DVLOG(1) << __FUNCTION__ << me() << "redirect from " << url()
<< " to " << status_text;
// Fetch the redirect status as they aren't all equal (307 in particular
// retains the HTTP request verb).
int http_code = GetHttpResponseStatusFromBinding(binding_);
status_.SetRedirected(http_code, WideToUTF8(status_text));
// Abort. We will inform Chrome in OnStopBinding callback.
binding_->Abort();
return E_ABORT;
}
break;
}
case BINDSTATUS_COOKIE_SENT:
delegate_->AddPrivacyDataForUrl(url(), "", COOKIEACTION_READ);
break;
case BINDSTATUS_COOKIE_SUPPRESSED:
delegate_->AddPrivacyDataForUrl(url(), "", COOKIEACTION_SUPPRESS);
break;
case BINDSTATUS_COOKIE_STATE_ACCEPT:
delegate_->AddPrivacyDataForUrl(url(), "", COOKIEACTION_ACCEPT);
break;
case BINDSTATUS_COOKIE_STATE_REJECT:
delegate_->AddPrivacyDataForUrl(url(), "", COOKIEACTION_REJECT);
break;
case BINDSTATUS_COOKIE_STATE_LEASH:
delegate_->AddPrivacyDataForUrl(url(), "", COOKIEACTION_LEASH);
break;
case BINDSTATUS_COOKIE_STATE_DOWNGRADE:
delegate_->AddPrivacyDataForUrl(url(), "", COOKIEACTION_DOWNGRADE);
break;
case BINDSTATUS_COOKIE_STATE_UNKNOWN:
NOTREACHED() << L"Unknown cookie state received";
break;
default:
DVLOG(1) << __FUNCTION__ << me()
<< base::StringPrintf(L"code: %i status: %ls", status_code,
status_text);
break;
}
return S_OK;
}
STDMETHODIMP UrlmonUrlRequest::OnStopBinding(HRESULT result, LPCWSTR error) {
DCHECK_EQ(thread_, PlatformThread::CurrentId());
DVLOG(1) << __FUNCTION__ << me()
<< "- Request stopped, Result: " << std::hex << result;
DCHECK(status_.get_state() == Status::WORKING ||
status_.get_state() == Status::ABORTING);
Status::State state = status_.get_state();
// Mark we a are done.
status_.Done();
if (result == INET_E_TERMINATED_BIND) {
if (terminate_requested()) {
terminate_bind_callback_->Run(moniker_, bind_context_);
} else {
cleanup_transaction_ = true;
}
// We may have returned INET_E_TERMINATED_BIND from OnDataAvailable.
result = S_OK;
}
if (state == Status::WORKING) {
status_.set_result(result);
// Special case. If the last request was a redirect and the current OS
// error value is E_ACCESSDENIED, that means an unsafe redirect was
// attempted. In that case, correct the OS error value to be the more
// specific ERR_UNSAFE_REDIRECT error value.
if (result == E_ACCESSDENIED) {
int http_code = GetHttpResponseStatusFromBinding(binding_);
if (300 <= http_code && http_code < 400) {
status_.set_result(URLRequestStatus::FAILED,
net::ERR_UNSAFE_REDIRECT);
}
}
// The code below seems easy but it is not. :)
// The network policy in Chrome network is that error code/end_of_stream
// should be returned only as a result of read (or start) request.
// Here are the possible cases:
// pending_data_|pending_read
// FALSE |FALSE => EndRequest if no headers, otherwise wait for Read.
// FALSE |TRUE => EndRequest.
// TRUE |FALSE => Wait for Read.
// TRUE |TRUE => Something went wrong!!
if (pending_data_) {
DCHECK_EQ(pending_read_size_, 0UL);
ReleaseBindings();
return S_OK;
}
if (headers_received_ && pending_read_size_ == 0) {
ReleaseBindings();
return S_OK;
}
// No headers or there is a pending read from Chrome.
NotifyDelegateAndDie();
return S_OK;
}
// Status::ABORTING
if (status_.was_redirected()) {
// Just release bindings here. Chrome will issue EndRequest(request_id)
// after processing headers we had provided.
if (!pending_) {
std::string headers = GetHttpHeadersFromBinding(binding_);
OnResponse(0, UTF8ToWide(headers).c_str(), NULL, NULL);
}
ReleaseBindings();
return S_OK;
}
// Stop invoked.
NotifyDelegateAndDie();
return S_OK;
}
STDMETHODIMP UrlmonUrlRequest::GetBindInfo(DWORD* bind_flags,
BINDINFO* bind_info) {
if ((bind_info == NULL) || (bind_info->cbSize == 0) || (bind_flags == NULL))
return E_INVALIDARG;
*bind_flags = BINDF_ASYNCHRONOUS | BINDF_ASYNCSTORAGE | BINDF_PULLDATA;
// TODO(ananta)
// Look into whether the other load flags need to be supported in chrome
// frame.
if (load_flags_ & net::LOAD_VALIDATE_CACHE)
*bind_flags |= BINDF_RESYNCHRONIZE;
if (load_flags_ & net::LOAD_BYPASS_CACHE)
*bind_flags |= BINDF_GETNEWESTVERSION;
bool upload_data = false;
if (LowerCaseEqualsASCII(method(), "get")) {
bind_info->dwBindVerb = BINDVERB_GET;
} else if (LowerCaseEqualsASCII(method(), "post")) {
bind_info->dwBindVerb = BINDVERB_POST;
upload_data = true;
} else if (LowerCaseEqualsASCII(method(), "put")) {
bind_info->dwBindVerb = BINDVERB_PUT;
upload_data = true;
} else if (LowerCaseEqualsASCII(method(), "head") ||
LowerCaseEqualsASCII(method(), "delete")) {
std::wstring verb(ASCIIToWide(StringToUpperASCII(method())));
bind_info->dwBindVerb = BINDVERB_CUSTOM;
bind_info->szCustomVerb = reinterpret_cast<wchar_t*>(
::CoTaskMemAlloc((verb.length() + 1) * sizeof(wchar_t)));
lstrcpyW(bind_info->szCustomVerb, verb.c_str());
} else {
NOTREACHED() << "Unknown HTTP method.";
status_.set_result(URLRequestStatus::FAILED, net::ERR_METHOD_NOT_SUPPORTED);
NotifyDelegateAndDie();
return E_FAIL;
}
if (upload_data) {
// Bypass caching proxies on POSTs and PUTs and avoid writing responses to
// these requests to the browser's cache
*bind_flags |= BINDF_GETNEWESTVERSION | BINDF_PRAGMA_NO_CACHE;
// Attempt to avoid storing the response for XHR request.
// See http://crbug.com/55918
if (resource_type_ != ResourceType::MAIN_FRAME)
*bind_flags |= BINDF_NOWRITECACHE;
// Initialize the STGMEDIUM.
memset(&bind_info->stgmedData, 0, sizeof(STGMEDIUM));
bind_info->grfBindInfoF = 0;
bind_info->szCustomVerb = NULL;
if (get_upload_data(&bind_info->stgmedData.pstm) == S_OK) {
bind_info->stgmedData.tymed = TYMED_ISTREAM;
DVLOG(1) << __FUNCTION__ << me() << method()
<< " request with " << base::Int64ToString(post_data_len())
<< " bytes. url=" << url();
} else {
DVLOG(1) << __FUNCTION__ << me() << "POST request with no data!";
}
}
return S_OK;
}
STDMETHODIMP UrlmonUrlRequest::OnDataAvailable(DWORD flags, DWORD size,
FORMATETC* formatetc,
STGMEDIUM* storage) {
DCHECK_EQ(thread_, PlatformThread::CurrentId());
DVLOG(1) << __FUNCTION__ << me() << "bytes available: " << size;
if (terminate_requested()) {
DVLOG(1) << " Download requested. INET_E_TERMINATED_BIND returned";
return INET_E_TERMINATED_BIND;
}
if (!storage || (storage->tymed != TYMED_ISTREAM)) {
NOTREACHED();
return E_INVALIDARG;
}
IStream* read_stream = storage->pstm;
if (!read_stream) {
NOTREACHED();
return E_UNEXPECTED;
}
// Some requests such as HEAD have zero data.
if (size > 0)
pending_data_ = read_stream;
if (pending_read_size_) {
size_t bytes_copied = SendDataToDelegate(pending_read_size_);
DVLOG(1) << __FUNCTION__ << me() << "size read: " << bytes_copied;
} else {
DVLOG(1) << __FUNCTION__ << me() << "- waiting for remote read";
}
if (BSCF_LASTDATANOTIFICATION & flags) {
if (!is_expecting_download_ || pending()) {
DVLOG(1) << __FUNCTION__ << me() << "EOF";
return S_OK;
}
// Always return INET_E_TERMINATED_BIND to allow bind context reuse
// if DownloadToHost is suddenly requested.
DVLOG(1) << __FUNCTION__ << " EOF: INET_E_TERMINATED_BIND returned";
return INET_E_TERMINATED_BIND;
}
return S_OK;
}
STDMETHODIMP UrlmonUrlRequest::OnObjectAvailable(REFIID iid, IUnknown* object) {
// We are calling BindToStorage on the moniker we should always get called
// back on OnDataAvailable and should never get OnObjectAvailable
NOTREACHED();
return E_NOTIMPL;
}
STDMETHODIMP UrlmonUrlRequest::BeginningTransaction(const wchar_t* url,
const wchar_t* current_headers, DWORD reserved,
wchar_t** additional_headers) {
DCHECK_EQ(thread_, PlatformThread::CurrentId());
if (!additional_headers) {
NOTREACHED();
return E_POINTER;
}
DVLOG(1) << __FUNCTION__ << me() << "headers: \n" << current_headers;
if (status_.get_state() == Status::ABORTING) {
// At times the BINDSTATUS_REDIRECTING notification which is sent to the
// IBindStatusCallback interface does not have an accompanying HTTP
// redirect status code, i.e. the attempt to query the HTTP status code
// from the binding returns 0, 200, etc which are invalid redirect codes.
// We don't want urlmon to follow redirects. We return E_ABORT in our
// IBindStatusCallback::OnProgress function and also abort the binding.
// However urlmon still tries to establish a transaction with the
// redirected URL which confuses the web server.
// Fix is to abort the attempted transaction.
DLOG(WARNING) << __FUNCTION__ << me()
<< ": Aborting connection to URL:"
<< url
<< " as the binding has been aborted";
return E_ABORT;
}
HRESULT hr = S_OK;
std::string new_headers;
if (post_data_len() > 0) {
// Tack on the Content-Length header since when using an IStream type
// STGMEDIUM, it looks like it doesn't get set for us :(
new_headers = base::StringPrintf(
"Content-Length: %s\r\n",
base::Int64ToString(post_data_len()).c_str());
}
if (!extra_headers().empty()) {
// TODO(robertshield): We may need to sanitize headers on POST here.
new_headers += extra_headers();
}
if (!referrer().empty()) {
// Referrer is famously misspelled in HTTP:
new_headers += base::StringPrintf("Referer: %s\r\n", referrer().c_str());
}
// In the rare case if "User-Agent" string is already in |current_headers|.
if (IsGcfDefaultRenderer()) {
new_headers += ReplaceOrAddUserAgent(current_headers,
http_utils::GetChromeUserAgent());
} else {
new_headers += AppendCFUserAgentString(current_headers, NULL);
}
if (!new_headers.empty()) {
*additional_headers = reinterpret_cast<wchar_t*>(
CoTaskMemAlloc((new_headers.size() + 1) * sizeof(wchar_t)));
if (*additional_headers == NULL) {
NOTREACHED();
hr = E_OUTOFMEMORY;
} else {
lstrcpynW(*additional_headers, ASCIIToWide(new_headers).c_str(),
new_headers.size());
}
}
return hr;
}
STDMETHODIMP UrlmonUrlRequest::OnResponse(DWORD dwResponseCode,
const wchar_t* response_headers, const wchar_t* request_headers,
wchar_t** additional_headers) {
DCHECK_EQ(thread_, PlatformThread::CurrentId());
DVLOG(1) << __FUNCTION__ << me() << "headers: \n" << response_headers;
if (!delegate_) {
DLOG(WARNING) << "Invalid delegate";
return S_OK;
}
std::string raw_headers = WideToUTF8(response_headers);
delegate_->AddPrivacyDataForUrl(url(), "", 0);
// Security check for frame busting headers. We don't honor the headers
// as-such, but instead simply kill requests which we've been asked to
// look for if they specify a value for "X-Frame-Options" other than
// "ALLOWALL" (the others are "deny" and "sameorigin"). This puts the onus
// on the user of the UrlRequest to specify whether or not requests should
// be inspected. For ActiveDocuments, the answer is "no", since WebKit's
// detection/handling is sufficient and since ActiveDocuments cannot be
// hosted as iframes. For NPAPI and ActiveX documents, the Initialize()
// function of the PluginUrlRequest object allows them to specify how they'd
// like requests handled. Both should set enable_frame_busting_ to true to
// avoid CSRF attacks. Should WebKit's handling of this ever change, we will
// need to re-visit how and when frames are killed to better mirror a policy
// which may do something other than kill the sub-document outright.
// NOTE(slightlyoff): We don't use net::HttpResponseHeaders here because
// of lingering ICU/base_noicu issues.
if (enable_frame_busting_) {
if (http_utils::HasFrameBustingHeader(raw_headers)) {
DLOG(ERROR) << "X-Frame-Options header other than ALLOWALL " <<
"detected, navigation canceled";
return E_FAIL;
}
}
DVLOG(1) << __FUNCTION__ << me() << "Calling OnResponseStarted";
// Inform the delegate.
headers_received_ = true;
DCHECK_NE(id(), -1);
delegate_->OnResponseStarted(id(),
"", // mime_type
raw_headers.c_str(), // headers
0, // size
base::Time(), // last_modified
status_.get_redirection().utf8_url,
status_.get_redirection().http_code);
return S_OK;
}
STDMETHODIMP UrlmonUrlRequest::GetWindow(const GUID& guid_reason,
HWND* parent_window) {
if (!parent_window)
return E_INVALIDARG;
#ifndef NDEBUG
wchar_t guid[40] = {0};
::StringFromGUID2(guid_reason, guid, arraysize(guid));
const wchar_t* str = guid;
if (guid_reason == IID_IAuthenticate)
str = L"IAuthenticate";
else if (guid_reason == IID_IHttpSecurity)
str = L"IHttpSecurity";
else if (guid_reason == IID_IWindowForBindingUI)
str = L"IWindowForBindingUI";
DVLOG(1) << __FUNCTION__ << me() << "GetWindow: " << str;
#endif
// We should return a non-NULL HWND as parent. Otherwise no dialog is shown.
// TODO(iyengar): This hits when running the URL request tests.
DLOG_IF(WARNING, !::IsWindow(parent_window_))
<< "UrlmonUrlRequest::GetWindow - no window!";
*parent_window = parent_window_;
return S_OK;
}
STDMETHODIMP UrlmonUrlRequest::Authenticate(HWND* parent_window,
LPWSTR* user_name,
LPWSTR* password) {
if (!parent_window)
return E_INVALIDARG;
if (privileged_mode_)
return E_ACCESSDENIED;
DCHECK(::IsWindow(parent_window_));
*parent_window = parent_window_;
return S_OK;
}
STDMETHODIMP UrlmonUrlRequest::OnSecurityProblem(DWORD problem) {
// Urlmon notifies the client of authentication problems, certificate
// errors, etc by querying the object implementing the IBindStatusCallback
// interface for the IHttpSecurity interface. If this interface is not
// implemented then Urlmon checks for the problem codes defined below
// and performs actions as defined below:-
// It invokes the ReportProgress method of the protocol sink with
// these problem codes and eventually invokes the ReportResult method
// on the protocol sink which ends up in a call to the OnStopBinding
// method of the IBindStatusCallBack interface.
// MSHTML's implementation of the IBindStatusCallback interface does not
// implement the IHttpSecurity interface. However it handles the
// OnStopBinding call with a HRESULT of 0x800c0019 and navigates to
// an interstitial page which presents the user with a choice of whether
// to abort the navigation.
// In our OnStopBinding implementation we stop the navigation and inform
// Chrome about the result. Ideally Chrome should behave in a manner similar
// to IE, i.e. display the SSL error interstitial page and if the user
// decides to proceed anyway we would turn off SSL warnings for that
// particular navigation and allow IE to download the content.
// We would need to return the certificate information to Chrome for display
// purposes. Currently we only return a dummy certificate to Chrome.
// At this point we decided that it is a lot of work at this point and
// decided to go with the easier option of implementing the IHttpSecurity
// interface and replicating the checks performed by Urlmon. This
// causes Urlmon to display a dialog box on the same lines as IE6.
DVLOG(1) << __FUNCTION__ << me() << "Security problem : " << problem;
// On IE6 the default IBindStatusCallback interface does not implement the
// IHttpSecurity interface and thus causes IE to put up a certificate error
// dialog box. We need to emulate this behavior for sites with mismatched
// certificates to work.
if (GetIEVersion() == IE_6)
return S_FALSE;
HRESULT hr = E_ABORT;
switch (problem) {
case ERROR_INTERNET_SEC_CERT_REV_FAILED: {
hr = RPC_E_RETRY;
break;
}
case ERROR_INTERNET_SEC_CERT_DATE_INVALID:
case ERROR_INTERNET_SEC_CERT_CN_INVALID:
case ERROR_INTERNET_INVALID_CA: {
hr = S_FALSE;
break;
}
default: {
NOTREACHED() << "Unhandled security problem : " << problem;
break;
}
}
return hr;
}
HRESULT UrlmonUrlRequest::StartAsyncDownload() {
DVLOG(1) << __FUNCTION__ << me() << url();
HRESULT hr = E_FAIL;
DCHECK((moniker_ && bind_context_) || (!moniker_ && !bind_context_));
if (!moniker_.get()) {
std::wstring wide_url = UTF8ToWide(url());
hr = CreateURLMonikerEx(NULL, wide_url.c_str(), moniker_.Receive(),
URL_MK_UNIFORM);
if (FAILED(hr)) {
NOTREACHED() << "CreateURLMonikerEx failed. Error: " << hr;
return hr;
}
}
if (bind_context_.get() == NULL) {
hr = ::CreateAsyncBindCtxEx(NULL, 0, this, NULL,
bind_context_.Receive(), 0);
DCHECK(SUCCEEDED(hr)) << "CreateAsyncBindCtxEx failed. Error: " << hr;
} else {
// Use existing bind context.
hr = ::RegisterBindStatusCallback(bind_context_, this, NULL, 0);
DCHECK(SUCCEEDED(hr)) << "RegisterBindStatusCallback failed. Error: " << hr;
}
if (SUCCEEDED(hr)) {
ScopedComPtr<IStream> stream;
// BindToStorage may complete synchronously.
// We still get all the callbacks - OnStart/StopBinding, this may result
// in destruction of our object. It's fine but we access some members
// below for debug info. :)
ScopedComPtr<IHttpSecurity> self(this);
// Inform our moniker patch this binding should not be tortured.
ScopedComPtr<BindContextInfo> info;
BindContextInfo::FromBindContext(bind_context_, info.Receive());
DCHECK(info);
if (info)
info->set_chrome_request(true);
hr = moniker_->BindToStorage(bind_context_, NULL, __uuidof(IStream),
reinterpret_cast<void**>(stream.Receive()));
if (hr == S_OK)
DCHECK(binding_ != NULL || status_.get_state() == Status::DONE);
if (FAILED(hr)) {
// TODO(joshia): Look into. This currently fails for:
// http://user2:secret@localhost:1337/auth-basic?set-cookie-if-challenged
// when running the UrlRequest unit tests.
DLOG(ERROR) << __FUNCTION__ << me() <<
base::StringPrintf("IUrlMoniker::BindToStorage failed 0x%08X.", hr);
// In most cases we'll get a MK_E_SYNTAX error here but if we abort
// the navigation ourselves such as in the case of seeing something
// else than ALLOWALL in X-Frame-Options.
}
}
DLOG_IF(ERROR, FAILED(hr)) << me() <<
base::StringPrintf(L"StartAsyncDownload failed: 0x%08X", hr);
return hr;
}
void UrlmonUrlRequest::NotifyDelegateAndDie() {
DCHECK_EQ(thread_, PlatformThread::CurrentId());
DVLOG(1) << __FUNCTION__ << me();
PluginUrlRequestDelegate* delegate = delegate_;
delegate_ = NULL;
ReleaseBindings();
TerminateTransaction();
if (delegate) {
URLRequestStatus result = status_.get_result();
delegate->OnResponseEnd(id(), result);
} else {
DLOG(WARNING) << __FUNCTION__ << me() << "no delegate";
}
}
void UrlmonUrlRequest::TerminateTransaction() {
if (cleanup_transaction_ && bind_context_ && moniker_) {
// We return INET_E_TERMINATED_BIND from our OnDataAvailable implementation
// to ensure that the transaction stays around if Chrome decides to issue
// a download request when it finishes inspecting the headers received in
// OnResponse. However this causes the urlmon transaction object to leak.
// To workaround this we issue a dummy BindToObject call which should fail
// and clean up the transaction. We overwrite the __PrecreatedObject object
// param which ensures that urlmon does not end up instantiating mshtml
ScopedComPtr<IStream> dummy_stream;
CreateStreamOnHGlobal(NULL, TRUE, dummy_stream.Receive());
DCHECK(dummy_stream);
bind_context_->RegisterObjectParam(L"__PrecreatedObject",
dummy_stream);
ScopedComPtr<IUnknown> dummy;
moniker_->BindToObject(bind_context_, NULL, IID_IUnknown,
reinterpret_cast<void**>(dummy.Receive()));
}
bind_context_.Release();
}
void UrlmonUrlRequest::ReleaseBindings() {
binding_.Release();
// Do not release bind_context here!
// We may get DownloadToHost request and therefore we want the bind_context
// to be available.
if (bind_context_)
::RevokeBindStatusCallback(bind_context_, this);
}
net::Error UrlmonUrlRequest::HresultToNetError(HRESULT hr) {
// Useful reference:
// http://msdn.microsoft.com/en-us/library/ms775145(VS.85).aspx
net::Error ret = net::ERR_UNEXPECTED;
switch (hr) {
case S_OK:
ret = net::OK;
break;
case MK_E_SYNTAX:
ret = net::ERR_INVALID_URL;
break;
case INET_E_CANNOT_CONNECT:
ret = net::ERR_CONNECTION_FAILED;
break;
case INET_E_DOWNLOAD_FAILURE:
case INET_E_CONNECTION_TIMEOUT:
case E_ABORT:
ret = net::ERR_CONNECTION_ABORTED;
break;
case INET_E_DATA_NOT_AVAILABLE:
ret = net::ERR_EMPTY_RESPONSE;
break;
case INET_E_RESOURCE_NOT_FOUND:
// To behave more closely to the chrome network stack, we translate this
// error value as tunnel connection failed. This error value is tested
// in the ProxyTunnelRedirectTest and UnexpectedServerAuthTest tests.
ret = net::ERR_TUNNEL_CONNECTION_FAILED;
break;
case INET_E_INVALID_URL:
case INET_E_UNKNOWN_PROTOCOL:
case INET_E_REDIRECT_FAILED:
ret = net::ERR_INVALID_URL;
break;
case INET_E_INVALID_CERTIFICATE:
ret = net::ERR_CERT_INVALID;
break;
case E_ACCESSDENIED:
ret = net::ERR_ACCESS_DENIED;
break;
default:
DLOG(WARNING)
<< base::StringPrintf("TODO: translate HRESULT 0x%08X to net::Error",
hr);
break;
}
return ret;
}
PluginUrlRequestManager::ThreadSafeFlags
UrlmonUrlRequestManager::GetThreadSafeFlags() {
return PluginUrlRequestManager::NOT_THREADSAFE;
}
void UrlmonUrlRequestManager::SetInfoForUrl(const std::wstring& url,
IMoniker* moniker, LPBC bind_ctx) {
CComObject<UrlmonUrlRequest>* new_request = NULL;
CComObject<UrlmonUrlRequest>::CreateInstance(&new_request);
if (new_request) {
GURL start_url(url);
DCHECK(start_url.is_valid());
DCHECK(pending_request_ == NULL);
ScopedComPtr<BindContextInfo> info;
BindContextInfo::FromBindContext(bind_ctx, info.Receive());
DCHECK(info);
IStream* cache = info ? info->cache() : NULL;
pending_request_ = new_request;
pending_request_->InitPending(start_url, moniker, bind_ctx,
enable_frame_busting_, privileged_mode_,
notification_window_, cache);
// Start the request
bool is_started = pending_request_->Start();
DCHECK(is_started);
}
}
void UrlmonUrlRequestManager::StartRequest(int request_id,
const IPC::AutomationURLRequest& request_info) {
DVLOG(1) << __FUNCTION__ << " id: " << request_id;
DCHECK_EQ(0, calling_delegate_);
if (stopping_) {
DLOG(WARNING) << __FUNCTION__ << " request not started (stopping)";
return;
}
DCHECK(request_map_.find(request_id) == request_map_.end());
DCHECK(GURL(request_info.url).is_valid());
scoped_refptr<UrlmonUrlRequest> new_request;
bool is_started = false;
if (pending_request_) {
DCHECK_EQ(pending_request_->url(), request_info.url);
new_request.swap(pending_request_);
is_started = true;
DVLOG(1) << __FUNCTION__ << new_request->me()
<< " assigned id " << request_id;
} else {
CComObject<UrlmonUrlRequest>* created_request = NULL;
CComObject<UrlmonUrlRequest>::CreateInstance(&created_request);
new_request = created_request;
}
new_request->Initialize(static_cast<PluginUrlRequestDelegate*>(this),
request_id,
request_info.url,
request_info.method,
request_info.referrer,
request_info.extra_request_headers,
request_info.upload_data,
static_cast<ResourceType::Type>(request_info.resource_type),
enable_frame_busting_,
request_info.load_flags);
new_request->set_parent_window(notification_window_);
new_request->set_privileged_mode(privileged_mode_);
request_map_[request_id] = new_request;
if (!is_started) {
// Freshly created, start now.
new_request->Start();
} else {
// Request is already underway, call OnResponse so that the
// other side can start reading.
DCHECK(!new_request->response_headers().empty());
new_request->OnResponse(
0, UTF8ToWide(new_request->response_headers()).c_str(), NULL, NULL);
}
}
void UrlmonUrlRequestManager::ReadRequest(int request_id, int bytes_to_read) {
DVLOG(1) << __FUNCTION__ << " id: " << request_id;
DCHECK_EQ(0, calling_delegate_);
scoped_refptr<UrlmonUrlRequest> request = LookupRequest(request_id);
// if zero, it may just have had network error.
if (request)
request->Read(bytes_to_read);
}
void UrlmonUrlRequestManager::DownloadRequestInHost(int request_id) {
DVLOG(1) << __FUNCTION__ << " " << request_id;
if (IsWindow(notification_window_)) {
scoped_refptr<UrlmonUrlRequest> request(LookupRequest(request_id));
if (request) {
UrlmonUrlRequest::TerminateBindCallback* callback = NewCallback(this,
&UrlmonUrlRequestManager::BindTerminated);
request->TerminateBind(callback);
} else {
NOTREACHED();
}
} else {
NOTREACHED() << "Cannot handle download if we don't have anyone to hand it "
"to.";
}
}
void UrlmonUrlRequestManager::BindTerminated(IMoniker* moniker,
IBindCtx* bind_ctx) {
// We use SendMessage and not PostMessage to make sure that if the
// notification window does not handle the message we won't leak
// the moniker.
::SendMessage(notification_window_, WM_DOWNLOAD_IN_HOST,
reinterpret_cast<WPARAM>(bind_ctx),
reinterpret_cast<LPARAM>(moniker));
}
void UrlmonUrlRequestManager::GetCookiesForUrl(const GURL& url, int cookie_id) {
DWORD cookie_size = 0;
bool success = true;
std::string cookie_string;
int32 cookie_action = COOKIEACTION_READ;
BOOL result = InternetGetCookieA(url.spec().c_str(), NULL, NULL,
&cookie_size);
DWORD error = 0;
if (cookie_size) {
scoped_array<char> cookies(new char[cookie_size + 1]);
if (!InternetGetCookieA(url.spec().c_str(), NULL, cookies.get(),
&cookie_size)) {
success = false;
error = GetLastError();
NOTREACHED() << "InternetGetCookie failed. Error: " << error;
} else {
cookie_string = cookies.get();
}
} else {
success = false;
error = GetLastError();
DVLOG(1) << "InternetGetCookie failed. Error: " << error;
}
OnCookiesRetrieved(success, url, cookie_string, cookie_id);
if (!success && !error)
cookie_action = COOKIEACTION_SUPPRESS;
AddPrivacyDataForUrl(url.spec(), "", cookie_action);
}
void UrlmonUrlRequestManager::SetCookiesForUrl(const GURL& url,
const std::string& cookie) {
DCHECK(container_);
// Grab a reference on the container to ensure that we don't get destroyed in
// case the InternetSetCookie call below puts up a dialog box, which can
// happen if the cookie policy is set to prompt.
if (container_) {
container_->AddRef();
}
InternetCookieState cookie_state = static_cast<InternetCookieState>(
InternetSetCookieExA(url.spec().c_str(), NULL, cookie.c_str(),
INTERNET_COOKIE_EVALUATE_P3P, NULL));
int32 cookie_action = MapCookieStateToCookieAction(cookie_state);
AddPrivacyDataForUrl(url.spec(), "", cookie_action);
if (container_) {
container_->Release();
}
}
void UrlmonUrlRequestManager::EndRequest(int request_id) {
DVLOG(1) << __FUNCTION__ << " id: " << request_id;
DCHECK_EQ(0, calling_delegate_);
scoped_refptr<UrlmonUrlRequest> request = LookupRequest(request_id);
if (request) {
request_map_.erase(request_id);
request->Stop();
} else {
DLOG(ERROR) << __FUNCTION__ << " no request found for " << request_id;
}
}
void UrlmonUrlRequestManager::StopAll() {
DVLOG(1) << __FUNCTION__;
if (stopping_)
return;
stopping_ = true;
DVLOG(1) << __FUNCTION__ << " stopping " << request_map_.size()
<< " requests";
for (RequestMap::iterator it = request_map_.begin();
it != request_map_.end(); ++it) {
DCHECK(it->second != NULL);
it->second->Stop();
}
request_map_.empty();
}
void UrlmonUrlRequestManager::OnResponseStarted(int request_id,
const char* mime_type, const char* headers, int size,
base::Time last_modified, const std::string& redirect_url,
int redirect_status) {
DCHECK_NE(request_id, -1);
DVLOG(1) << __FUNCTION__;
DCHECK(LookupRequest(request_id) != NULL);
++calling_delegate_;
delegate_->OnResponseStarted(request_id, mime_type, headers, size,
last_modified, redirect_url, redirect_status);
--calling_delegate_;
}
void UrlmonUrlRequestManager::OnReadComplete(int request_id,
const std::string& data) {
DCHECK_NE(request_id, -1);
DVLOG(1) << __FUNCTION__ << " id: " << request_id;
DCHECK(LookupRequest(request_id) != NULL);
++calling_delegate_;
delegate_->OnReadComplete(request_id, data);
--calling_delegate_;
DVLOG(1) << __FUNCTION__ << " done id: " << request_id;
}
void UrlmonUrlRequestManager::OnResponseEnd(int request_id,
const URLRequestStatus& status) {
DCHECK_NE(request_id, -1);
DVLOG(1) << __FUNCTION__;
DCHECK(status.status() != URLRequestStatus::CANCELED);
RequestMap::size_type n = request_map_.erase(request_id);
DCHECK_EQ(1u, n);
++calling_delegate_;
delegate_->OnResponseEnd(request_id, status);
--calling_delegate_;
}
void UrlmonUrlRequestManager::OnCookiesRetrieved(bool success, const GURL& url,
const std::string& cookie_string, int cookie_id) {
DCHECK(url.is_valid());
delegate_->OnCookiesRetrieved(success, url, cookie_string, cookie_id);
}
scoped_refptr<UrlmonUrlRequest> UrlmonUrlRequestManager::LookupRequest(
int request_id) {
RequestMap::iterator it = request_map_.find(request_id);
if (request_map_.end() != it)
return it->second;
DLOG(ERROR) << __FUNCTION__ << " no request found for " << request_id;
return NULL;
}
UrlmonUrlRequestManager::UrlmonUrlRequestManager()
: stopping_(false), calling_delegate_(0), notification_window_(NULL),
privileged_mode_(false),
container_(NULL) {
}
UrlmonUrlRequestManager::~UrlmonUrlRequestManager() {
StopAll();
}
void UrlmonUrlRequestManager::AddPrivacyDataForUrl(
const std::string& url, const std::string& policy_ref,
int32 flags) {
DCHECK(!url.empty());
bool fire_privacy_event = false;
if (privacy_info_.privacy_records.size() == 0)
flags |= PRIVACY_URLISTOPLEVEL;
if (!privacy_info_.privacy_impacted) {
if (flags & (COOKIEACTION_ACCEPT | COOKIEACTION_REJECT |
COOKIEACTION_DOWNGRADE)) {
privacy_info_.privacy_impacted = true;
fire_privacy_event = true;
}
}
PrivacyInfo::PrivacyEntry& privacy_entry =
privacy_info_.privacy_records[UTF8ToWide(url)];
privacy_entry.flags |= flags;
privacy_entry.policy_ref = UTF8ToWide(policy_ref);
if (fire_privacy_event && IsWindow(notification_window_)) {
PostMessage(notification_window_, WM_FIRE_PRIVACY_CHANGE_NOTIFICATION, 1,
0);
}
}
|