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
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
|
// Copyright (c) 2012 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/utils.h"
#include <atlsafe.h>
#include <atlsecurity.h>
#include <htiframe.h>
#include <mshtml.h>
#include <shlobj.h>
#include "base/file_util.h"
#include "base/file_version_info.h"
#include "base/lazy_instance.h"
#include "base/logging.h"
#include "base/path_service.h"
#include "base/string_number_conversions.h"
#include "base/string_piece.h"
#include "base/string_tokenizer.h"
#include "base/string_util.h"
#include "base/stringprintf.h"
#include "base/threading/thread_local.h"
#include "base/utf_string_conversions.h"
#include "base/win/registry.h"
#include "base/win/scoped_bstr.h"
#include "base/win/scoped_comptr.h"
#include "base/win/scoped_variant.h"
#include "chrome/common/automation_messages.h"
#include "chrome/common/chrome_paths_internal.h"
#include "chrome/common/url_constants.h"
#include "chrome/installer/util/chrome_frame_distribution.h"
#include "chrome_frame/chrome_tab.h"
#include "chrome_frame/extra_system_apis.h"
#include "chrome_frame/html_utils.h"
#include "chrome_frame/navigation_constraints.h"
#include "chrome_frame/policy_settings.h"
#include "chrome_frame/simple_resource_loader.h"
#include "googleurl/src/gurl.h"
#include "googleurl/src/url_canon.h"
#include "grit/chromium_strings.h"
#include "net/base/escape.h"
#include "net/http/http_util.h"
#include "ui/base/models/menu_model.h"
using base::win::RegKey;
// Note that these values are all lower case and are compared to
// lower-case-transformed values.
const wchar_t kMetaTag[] = L"meta";
const wchar_t kHttpEquivAttribName[] = L"http-equiv";
const wchar_t kContentAttribName[] = L"content";
const wchar_t kXUACompatValue[] = L"x-ua-compatible";
const wchar_t kBodyTag[] = L"body";
const wchar_t kChromeContentPrefix[] = L"chrome=";
const char kGCFProtocol[] = "gcf";
const wchar_t kChromeProtocolPrefix[] = L"gcf:";
const wchar_t kChromeMimeType[] = L"application/chromepage";
const wchar_t kPatchProtocols[] = L"PatchProtocols";
const wchar_t kChromeFrameConfigKey[] = L"Software\\Google\\ChromeFrame";
const wchar_t kRenderInGCFUrlList[] = L"RenderInGcfUrls";
const wchar_t kRenderInHostUrlList[] = L"RenderInHostUrls";
const wchar_t kEnableGCFRendererByDefault[] = L"IsDefaultRenderer";
const wchar_t kIexploreProfileName[] = L"iexplore";
const wchar_t kRundllProfileName[] = L"rundll32";
const wchar_t kAllowUnsafeURLs[] = L"AllowUnsafeURLs";
const wchar_t kEnableBuggyBhoIntercept[] = L"EnableBuggyBhoIntercept";
static const wchar_t kChromeFramePersistNPAPIReg[] = L"PersistNPAPIReg";
const char kAttachExternalTabPrefix[] = "attach_external_tab";
// Indicates that we are running in a test environment, where execptions, etc
// are handled by the chrome test crash server.
const wchar_t kChromeFrameHeadlessMode[] = L"ChromeFrameHeadlessMode";
// Indicates that we are running in an environment that expects chrome renderer
// accessibility to be enabled for use in automation tests.
const wchar_t kChromeFrameAccessibleMode[] = L"ChromeFrameAccessibleMode";
// Indicates that we are running in an environment that wishes to avoid
// DLL pinning, such as the perf tests.
const wchar_t kChromeFrameUnpinnedMode[] = L"kChromeFrameUnpinnedMode";
// Controls whether we download subresources, etc on the chrome frame page in
// the background worker thread. Defaults to true.
const wchar_t kUseBackgroundThreadForSubResources[]
= L"BackgroundHTTPWorkerThread";
// {1AF32B6C-A3BA-48B9-B24E-8AA9C41F6ECD}
static const IID IID_IWebBrowserPriv2IE7 = { 0x1AF32B6C, 0xA3BA, 0x48B9,
{ 0xB2, 0x4E, 0x8A, 0xA9, 0xC4, 0x1F, 0x6E, 0xCD } };
// {3ED72303-6FFC-4214-BA90-FAF1862DEC8A}
static const IID IID_IWebBrowserPriv2IE8 = { 0x3ED72303, 0x6FFC, 0x4214,
{ 0xBA, 0x90, 0xFA, 0xF1, 0x86, 0x2D, 0xEC, 0x8A } };
// {486F6159-9F3F-4827-82D4-283CEF397733}
static const IID IID_IWebBrowserPriv2IE8XP = { 0x486F6159, 0x9F3F, 0x4827,
{ 0x82, 0xD4, 0x28, 0x3C, 0xEF, 0x39, 0x77, 0x33 } };
// {38339692-0BC9-46CB-8E5C-4677A5C83DD5}
static const IID IID_IWebBrowserPriv2IE8XPBeta = { 0x38339692, 0x0BC9, 0x46CB,
{ 0x8E, 0x5C, 0x46, 0x77, 0xA5, 0xC8, 0x3D, 0xD5 } };
namespace {
// A flag used to signal when an active browser instance on the current thread
// is loading a Chrome Frame document. There's no reference stored with the
// pointer so it should not be dereferenced and used for comparison against a
// living instance only.
base::LazyInstance<base::ThreadLocalPointer<IBrowserService> >
g_tls_browser_for_cf_navigation = LAZY_INSTANCE_INITIALIZER;
} // end anonymous namespace
HRESULT UtilRegisterTypeLib(HINSTANCE tlb_instance,
LPCOLESTR index,
bool for_current_user_only) {
CComBSTR path;
CComPtr<ITypeLib> type_lib;
HRESULT hr = AtlLoadTypeLib(tlb_instance, index, &path, &type_lib);
if (SUCCEEDED(hr)) {
hr = UtilRegisterTypeLib(type_lib, path, NULL, for_current_user_only);
}
return hr;
}
HRESULT UtilUnRegisterTypeLib(HINSTANCE tlb_instance,
LPCOLESTR index,
bool for_current_user_only) {
CComBSTR path;
CComPtr<ITypeLib> type_lib;
HRESULT hr = AtlLoadTypeLib(tlb_instance, index, &path, &type_lib);
if (SUCCEEDED(hr)) {
hr = UtilUnRegisterTypeLib(type_lib, for_current_user_only);
}
return hr;
}
HRESULT UtilRegisterTypeLib(LPCWSTR typelib_path,
bool for_current_user_only) {
if (NULL == typelib_path) {
return E_INVALIDARG;
}
CComBSTR path;
CComPtr<ITypeLib> type_lib;
HRESULT hr = ::LoadTypeLib(typelib_path, &type_lib);
if (SUCCEEDED(hr)) {
hr = UtilRegisterTypeLib(type_lib,
typelib_path,
NULL,
for_current_user_only);
}
return hr;
}
HRESULT UtilUnRegisterTypeLib(LPCWSTR typelib_path,
bool for_current_user_only) {
CComPtr<ITypeLib> type_lib;
HRESULT hr = ::LoadTypeLib(typelib_path, &type_lib);
if (SUCCEEDED(hr)) {
hr = UtilUnRegisterTypeLib(type_lib, for_current_user_only);
}
return hr;
}
HRESULT UtilRegisterTypeLib(ITypeLib* typelib,
LPCWSTR typelib_path,
LPCWSTR help_dir,
bool for_current_user_only) {
typedef HRESULT(WINAPI *RegisterTypeLibPrototype)(ITypeLib FAR* type_lib,
OLECHAR FAR* full_path,
OLECHAR FAR* help_dir);
LPCSTR function_name =
for_current_user_only ? "RegisterTypeLibForUser" : "RegisterTypeLib";
RegisterTypeLibPrototype reg_tlb =
reinterpret_cast<RegisterTypeLibPrototype>(
GetProcAddress(GetModuleHandle(_T("oleaut32.dll")),
function_name));
if (NULL == reg_tlb) {
return E_FAIL;
}
return reg_tlb(typelib,
const_cast<OLECHAR*>(typelib_path),
const_cast<OLECHAR*>(help_dir));
}
HRESULT UtilUnRegisterTypeLib(ITypeLib* typelib,
bool for_current_user_only) {
if (NULL == typelib) {
return E_INVALIDARG;
}
typedef HRESULT(WINAPI *UnRegisterTypeLibPrototype)(
REFGUID libID,
unsigned short wVerMajor, // NOLINT
unsigned short wVerMinor, // NOLINT
LCID lcid,
SYSKIND syskind);
LPCSTR function_name =
for_current_user_only ? "UnRegisterTypeLibForUser" : "UnRegisterTypeLib";
UnRegisterTypeLibPrototype unreg_tlb =
reinterpret_cast<UnRegisterTypeLibPrototype>(
GetProcAddress(GetModuleHandle(_T("oleaut32.dll")),
function_name));
if (NULL == unreg_tlb) {
return E_FAIL;
}
TLIBATTR* tla = NULL;
HRESULT hr = typelib->GetLibAttr(&tla);
if (SUCCEEDED(hr)) {
hr = unreg_tlb(tla->guid,
tla->wMajorVerNum,
tla->wMinorVerNum,
tla->lcid,
tla->syskind);
typelib->ReleaseTLibAttr(tla);
}
return hr;
}
bool UtilRemovePersistentNPAPIMarker() {
BrowserDistribution* cf_dist = BrowserDistribution::GetDistribution();
std::wstring cf_state_key_path(cf_dist->GetStateKey());
RegKey cf_state_key;
LONG result = cf_state_key.Open(HKEY_LOCAL_MACHINE, cf_state_key_path.c_str(),
KEY_SET_VALUE);
if (result == ERROR_SUCCESS)
result = cf_state_key.DeleteValue(kChromeFramePersistNPAPIReg);
return (result == ERROR_SUCCESS || result == ERROR_FILE_NOT_FOUND);
}
HRESULT UtilGetXUACompatContentValue(const std::wstring& html_string,
std::wstring* content_value) {
if (!content_value) {
return E_POINTER;
}
// Fail fast if the string X-UA-Compatible isn't in html_string
if (StringToLowerASCII(html_string).find(kXUACompatValue) ==
std::wstring::npos) {
return E_FAIL;
}
HTMLScanner scanner(html_string.c_str());
// Build the list of meta tags that occur before the body tag is hit.
HTMLScanner::StringRangeList tag_list;
scanner.GetTagsByName(kMetaTag, &tag_list, kBodyTag);
// Search the list of meta tags for one with an http-equiv="X-UA-Compatible"
// attribute.
HTMLScanner::StringRange attribute;
std::string search_attribute_ascii(WideToASCII(kXUACompatValue));
HTMLScanner::StringRangeList::const_iterator tag_list_iter(tag_list.begin());
for (; tag_list_iter != tag_list.end(); tag_list_iter++) {
if (!tag_list_iter->GetTagAttribute(kHttpEquivAttribName, &attribute)) {
continue;
}
// We found an http-equiv meta tag, check its value using the ascii
// case-insensitive comparison method.
if (!attribute.LowerCaseEqualsASCII(search_attribute_ascii.c_str())) {
continue;
}
// We found our X-UA-Compatible meta tag so look for and extract
// the value of the content attribute.
if (!tag_list_iter->GetTagAttribute(kContentAttribName, &attribute)) {
continue;
}
// Found the content string, copy and return.
content_value->assign(attribute.Copy());
return S_OK;
}
return E_FAIL;
}
void DisplayVersionMismatchWarning(HWND parent,
const std::string& server_version) {
// Obtain the current module version.
FileVersionInfo* file_version_info =
FileVersionInfo::CreateFileVersionInfoForCurrentModule();
DCHECK(file_version_info);
std::wstring version_string(file_version_info->file_version());
std::wstring wide_server_version;
if (server_version.empty()) {
wide_server_version = SimpleResourceLoader::Get(IDS_VERSIONUNKNOWN);
} else {
wide_server_version = ASCIIToWide(server_version);
}
std::wstring title = SimpleResourceLoader::Get(IDS_VERSIONMISMATCH_HEADER);
std::wstring message;
base::SStringPrintf(&message,
SimpleResourceLoader::Get(IDS_VERSIONMISMATCH).c_str(),
wide_server_version.c_str(),
version_string.c_str());
::MessageBox(parent, message.c_str(), title.c_str(), MB_OK);
}
std::string CreateJavascript(const std::string& function_name,
const std::string args) {
std::string script_string = "javascript:";
script_string += function_name + "(";
if (!args.empty()) {
script_string += "'";
script_string += args;
script_string += "'";
}
script_string += ")";
return script_string;
}
AddRefModule::AddRefModule() {
// TODO(tommi): Override the module's Lock/Unlock methods to call
// npapi::SetValue(NPPVpluginKeepLibraryInMemory) and keep the dll loaded
// while the module's refcount is > 0. Only do this when we're being
// used as an NPAPI module.
_pAtlModule->Lock();
}
AddRefModule::~AddRefModule() {
_pAtlModule->Unlock();
}
bool IsChrome(RendererType renderer_type) {
DCHECK_GE(renderer_type, RENDERER_TYPE_UNDETERMINED);
DCHECK_LE(renderer_type, RENDERER_TYPE_OTHER);
return renderer_type >= RENDERER_TYPE_CHROME_MIN &&
renderer_type <= RENDERER_TYPE_CHROME_MAX;
}
namespace {
const char kIEImageName[] = "iexplore.exe";
} // namespace
std::wstring GetHostProcessName(bool include_extension) {
FilePath exe;
if (PathService::Get(base::FILE_EXE, &exe))
exe = exe.BaseName();
if (!include_extension) {
exe = exe.RemoveExtension();
}
return exe.value();
}
BrowserType GetBrowserType() {
static BrowserType browser_type = BROWSER_INVALID;
if (browser_type == BROWSER_INVALID) {
std::wstring exe(GetHostProcessName(true));
if (!exe.empty()) {
std::wstring::const_iterator begin = exe.begin();
std::wstring::const_iterator end = exe.end();
if (LowerCaseEqualsASCII(begin, end, kIEImageName)) {
browser_type = BROWSER_IE;
} else {
browser_type = BROWSER_UNKNOWN;
}
} else {
NOTREACHED();
}
}
return browser_type;
}
uint32 GetIEMajorVersion() {
static uint32 ie_major_version = UINT_MAX;
if (ie_major_version == UINT_MAX) {
wchar_t exe_path[MAX_PATH];
HMODULE mod = GetModuleHandle(NULL);
GetModuleFileName(mod, exe_path, arraysize(exe_path) - 1);
std::wstring exe_name = FilePath(exe_path).BaseName().value();
if (!LowerCaseEqualsASCII(exe_name, kIEImageName)) {
ie_major_version = 0;
} else {
uint32 high = 0;
uint32 low = 0;
if (GetModuleVersion(mod, &high, &low)) {
ie_major_version = HIWORD(high);
} else {
ie_major_version = 0;
}
}
}
return ie_major_version;
}
IEVersion GetIEVersion() {
static IEVersion ie_version = IE_INVALID;
if (ie_version == IE_INVALID) {
uint32 major_version = GetIEMajorVersion();
switch (major_version) {
case 0:
ie_version = NON_IE;
break;
case 6:
ie_version = IE_6;
break;
case 7:
ie_version = IE_7;
break;
case 8:
ie_version = IE_8;
break;
case 9:
ie_version = IE_9;
break;
default:
ie_version = (major_version >= 10) ? IE_10 : IE_UNSUPPORTED;
break;
}
}
return ie_version;
}
FilePath GetIETemporaryFilesFolder() {
LPITEMIDLIST tif_pidl = NULL;
HRESULT hr = SHGetFolderLocation(NULL, CSIDL_INTERNET_CACHE, NULL,
SHGFP_TYPE_CURRENT, &tif_pidl);
if (SUCCEEDED(hr) && tif_pidl) {
base::win::ScopedComPtr<IShellFolder> parent_folder;
LPITEMIDLIST relative_pidl = NULL;
hr = SHBindToParent(tif_pidl, IID_IShellFolder,
reinterpret_cast<void**>(parent_folder.Receive()),
const_cast<LPCITEMIDLIST*>(&relative_pidl));
if (SUCCEEDED(hr) && relative_pidl) {
STRRET path = {0};
hr = parent_folder->GetDisplayNameOf(relative_pidl,
SHGDN_NORMAL | SHGDN_FORPARSING,
&path);
DCHECK(SUCCEEDED(hr));
base::win::ScopedBstr temp_internet_files_bstr;
StrRetToBSTR(&path, relative_pidl, temp_internet_files_bstr.Receive());
FilePath temp_internet_files(static_cast<BSTR>(temp_internet_files_bstr));
ILFree(tif_pidl);
return temp_internet_files;
} else {
NOTREACHED() << "SHBindToParent failed with Error:" << hr;
ILFree(tif_pidl);
}
} else {
NOTREACHED() << "SHGetFolderLocation for internet cache failed. Error:"
<< hr;
}
// As a last ditch effort we use the SHGetFolderPath function to retrieve the
// path. This function has a limitation of MAX_PATH.
wchar_t path[MAX_PATH + 1] = {0};
hr = SHGetFolderPath(NULL, CSIDL_INTERNET_CACHE, NULL, SHGFP_TYPE_CURRENT,
path);
if (SUCCEEDED(hr)) {
return FilePath(path);
} else {
NOTREACHED() << "SHGetFolderPath for internet cache failed. Error:"
<< hr;
}
return FilePath();
}
bool IsIEInPrivate() {
typedef BOOL (WINAPI* IEIsInPrivateBrowsingPtr)();
bool incognito_mode = false;
HMODULE h = GetModuleHandle(L"ieframe.dll");
if (h) {
IEIsInPrivateBrowsingPtr IsInPrivate =
reinterpret_cast<IEIsInPrivateBrowsingPtr>(GetProcAddress(h,
"IEIsInPrivateBrowsing"));
if (IsInPrivate) {
incognito_mode = !!IsInPrivate();
}
}
return incognito_mode;
}
HRESULT DoFileDownloadInIE(const wchar_t* url) {
DCHECK(url);
HMODULE mod = ::GetModuleHandleA("ieframe.dll");
if (!mod)
mod = ::GetModuleHandleA("shdocvw.dll");
if (!mod) {
NOTREACHED();
return E_UNEXPECTED;
}
typedef HRESULT (WINAPI* DoFileDownloadFn)(const wchar_t*);
DoFileDownloadFn fn = reinterpret_cast<DoFileDownloadFn>(
::GetProcAddress(mod, "DoFileDownload"));
DCHECK(fn);
return fn ? fn(url) : E_UNEXPECTED;
}
bool GetModuleVersion(HMODULE module, uint32* high, uint32* low) {
DCHECK(module != NULL)
<< "Please use GetModuleHandle(NULL) to get the process name";
DCHECK(high);
bool ok = false;
HRSRC res = FindResource(module,
reinterpret_cast<const wchar_t*>(VS_VERSION_INFO), RT_VERSION);
if (res) {
HGLOBAL res_data = LoadResource(module, res);
DWORD version_resource_size = SizeofResource(module, res);
const void* readonly_resource_data = LockResource(res_data);
if (readonly_resource_data && version_resource_size) {
// Copy data as VerQueryValue tries to modify the data. This causes
// exceptions and heap corruption errors if debugger is attached.
scoped_array<char> data(new char[version_resource_size]);
if (data.get()) {
memcpy(data.get(), readonly_resource_data, version_resource_size);
VS_FIXEDFILEINFO* ver_info = NULL;
UINT info_size = 0;
if (VerQueryValue(data.get(), L"\\",
reinterpret_cast<void**>(&ver_info), &info_size)) {
*high = ver_info->dwFileVersionMS;
if (low != NULL)
*low = ver_info->dwFileVersionLS;
ok = true;
}
UnlockResource(res_data);
}
FreeResource(res_data);
}
}
return ok;
}
HMODULE GetModuleFromAddress(void* address) {
MEMORY_BASIC_INFORMATION info = {0};
::VirtualQuery(address, &info, sizeof(info));
return reinterpret_cast<HMODULE>(info.AllocationBase);
}
namespace {
const int kMaxSubmenuDepth = 10;
// Builds a Windows menu from the menu model sent from Chrome. The
// caller is responsible for closing the returned HMENU. This does
// not currently handle bitmaps (e.g. hbmpChecked, hbmpUnchecked or
// hbmpItem), so checkmarks, radio buttons, and custom icons won't work.
// It also copies over submenus up to a maximum depth of kMaxSubMenuDepth.
HMENU BuildContextMenuImpl(const ContextMenuModel* menu_model, int depth) {
if (depth >= kMaxSubmenuDepth)
return NULL;
HMENU menu = CreatePopupMenu();
for (size_t i = 0; i < menu_model->items.size(); i++) {
const ContextMenuModel::Item& item = menu_model->items[i];
MENUITEMINFO item_info = { 0 };
item_info.cbSize = sizeof(MENUITEMINFO);
switch (item.type) {
case ui::MenuModel::TYPE_COMMAND:
case ui::MenuModel::TYPE_CHECK:
item_info.fMask = MIIM_FTYPE | MIIM_ID | MIIM_STRING;
item_info.fType = MFT_STRING;
item_info.wID = item.item_id;
item_info.dwTypeData = const_cast<LPWSTR>(item.label.c_str());
break;
case ui::MenuModel::TYPE_RADIO:
item_info.fMask = MIIM_FTYPE | MIIM_ID | MIIM_STRING;
item_info.fType = MFT_STRING | MFT_RADIOCHECK;
item_info.wID = item.item_id;
item_info.dwTypeData = const_cast<LPWSTR>(item.label.c_str());
break;
case ui::MenuModel::TYPE_SEPARATOR:
item_info.fMask = MIIM_FTYPE;
item_info.fType = MFT_SEPARATOR;
break;
case ui::MenuModel::TYPE_SUBMENU:
item_info.fMask = MIIM_FTYPE | MIIM_ID | MIIM_STRING | MIIM_SUBMENU;
item_info.fType = MFT_STRING;
item_info.wID = item.item_id;
item_info.dwTypeData = const_cast<LPWSTR>(item.label.c_str());
item_info.hSubMenu = BuildContextMenuImpl(item.submenu, depth + 1);
break;
default:
NOTREACHED() << "Unsupported MenuModel::ItemType " << item.type;
break;
}
item_info.fMask |= MIIM_STATE;
item_info.fState =
(item.checked ? MFS_CHECKED : MFS_UNCHECKED) |
(item.enabled ? MFS_ENABLED : (MFS_DISABLED | MFS_GRAYED));
InsertMenuItem(menu, i, TRUE, &item_info);
}
return menu;
}
} // namespace
HMENU BuildContextMenu(const ContextMenuModel& menu_model) {
return BuildContextMenuImpl(&menu_model, 0);
}
std::string ResolveURL(const std::string& document,
const std::string& relative) {
if (document.empty()) {
return GURL(relative).spec();
} else {
return GURL(document).Resolve(relative).spec();
}
}
bool HaveSameOrigin(const std::string& url1, const std::string& url2) {
GURL a(url1), b(url2);
bool ret;
if (a.is_valid() != b.is_valid()) {
// Either (but not both) url is invalid, so they can't match.
ret = false;
} else if (!a.is_valid()) {
// Both URLs are invalid (see first check). Just check if the opaque
// strings match exactly.
ret = url1.compare(url2) == 0;
} else if (a.GetOrigin() != b.GetOrigin()) {
// The origins don't match.
ret = false;
} else {
// we have a match.
ret = true;
}
return ret;
}
int GetConfigInt(int default_value, const wchar_t* value_name) {
int ret = default_value;
RegKey config_key;
if (config_key.Open(HKEY_CURRENT_USER, kChromeFrameConfigKey,
KEY_QUERY_VALUE) == ERROR_SUCCESS) {
config_key.ReadValueDW(value_name, reinterpret_cast<DWORD*>(&ret));
}
return ret;
}
bool GetConfigBool(bool default_value, const wchar_t* value_name) {
DWORD value = GetConfigInt(default_value, value_name);
return (value != FALSE);
}
bool SetConfigInt(const wchar_t* value_name, int value) {
RegKey config_key;
if (config_key.Create(HKEY_CURRENT_USER, kChromeFrameConfigKey,
KEY_SET_VALUE) == ERROR_SUCCESS) {
if (config_key.WriteValue(value_name, value) == ERROR_SUCCESS) {
return true;
}
}
return false;
}
bool SetConfigBool(const wchar_t* value_name, bool value) {
return SetConfigInt(value_name, value);
}
bool DeleteConfigValue(const wchar_t* value_name) {
RegKey config_key;
if (config_key.Open(HKEY_CURRENT_USER, kChromeFrameConfigKey,
KEY_WRITE) == ERROR_SUCCESS) {
if (config_key.DeleteValue(value_name) == ERROR_SUCCESS) {
return true;
}
}
return false;
}
bool IsGcfDefaultRenderer() {
DWORD is_default = 0; // NOLINT
// First check policy settings
PolicySettings::RendererForUrl renderer =
PolicySettings::GetInstance()->default_renderer();
if (renderer != PolicySettings::RENDERER_NOT_SPECIFIED) {
is_default = (renderer == PolicySettings::RENDER_IN_CHROME_FRAME);
} else {
// TODO(tommi): Implement caching for this config value as it gets
// checked frequently.
RegKey config_key;
if (config_key.Open(HKEY_CURRENT_USER, kChromeFrameConfigKey,
KEY_READ) == ERROR_SUCCESS) {
config_key.ReadValueDW(kEnableGCFRendererByDefault, &is_default);
}
}
return is_default != 0;
}
RendererType RendererTypeForUrl(const std::wstring& url) {
// First check if the default renderer settings are specified by policy.
// If so, then that overrides the user settings.
PolicySettings::RendererForUrl renderer =
PolicySettings::GetInstance()->GetRendererForUrl(url.c_str());
if (renderer != PolicySettings::RENDERER_NOT_SPECIFIED) {
// We may know at this point that policy says do NOT render in Chrome Frame.
// To maintain consistency, we return RENDERER_TYPE_UNDETERMINED so that
// content sniffing, etc. still take place.
// TODO(tommi): Clarify the intent here.
return (renderer == PolicySettings::RENDER_IN_CHROME_FRAME) ?
RENDERER_TYPE_CHROME_OPT_IN_URL : RENDERER_TYPE_UNDETERMINED;
}
RegKey config_key;
if (config_key.Open(HKEY_CURRENT_USER, kChromeFrameConfigKey,
KEY_READ) != ERROR_SUCCESS) {
return RENDERER_TYPE_UNDETERMINED;
}
RendererType renderer_type = RENDERER_TYPE_UNDETERMINED;
const wchar_t* url_list_name = NULL;
int render_in_cf_by_default = FALSE;
config_key.ReadValueDW(kEnableGCFRendererByDefault,
reinterpret_cast<DWORD*>(&render_in_cf_by_default));
if (render_in_cf_by_default) {
url_list_name = kRenderInHostUrlList;
renderer_type = RENDERER_TYPE_CHROME_DEFAULT_RENDERER;
} else {
url_list_name = kRenderInGCFUrlList;
}
bool match_found = false;
base::win::RegistryValueIterator url_list(config_key.Handle(), url_list_name);
while (!match_found && url_list.Valid()) {
if (MatchPattern(url, url_list.Name())) {
match_found = true;
} else {
++url_list;
}
}
if (match_found) {
renderer_type = render_in_cf_by_default ?
RENDERER_TYPE_UNDETERMINED :
RENDERER_TYPE_CHROME_OPT_IN_URL;
}
return renderer_type;
}
HRESULT NavigateBrowserToMoniker(IUnknown* browser, IMoniker* moniker,
const wchar_t* headers, IBindCtx* bind_ctx,
const wchar_t* fragment, IStream* post_data,
VARIANT* flags) {
DCHECK(browser);
DCHECK(moniker);
DCHECK(bind_ctx);
base::win::ScopedComPtr<IWebBrowser2> web_browser2;
HRESULT hr = DoQueryService(SID_SWebBrowserApp, browser,
web_browser2.Receive());
DCHECK(web_browser2);
DLOG_IF(WARNING, FAILED(hr)) << base::StringPrintf(L"SWebBrowserApp 0x%08X",
hr);
if (FAILED(hr))
return hr;
// If the data to be downloaded was received in response to a post request
// then we need to reissue the post request.
base::win::ScopedVariant post_data_variant;
if (post_data) {
RewindStream(post_data);
CComSafeArray<uint8> safe_array_post;
STATSTG stat;
post_data->Stat(&stat, STATFLAG_NONAME);
if (stat.cbSize.LowPart > 0) {
std::string data;
HRESULT hr = E_FAIL;
while ((hr = ReadStream(post_data, 0xffff, &data)) == S_OK) {
safe_array_post.Add(
data.size(),
reinterpret_cast<unsigned char*>(const_cast<char*>(data.data())));
data.clear();
}
} else {
// If we get here it means that the navigation is being reissued for a
// POST request with no data. To ensure that the new window used as a
// target to handle the new navigation issues a POST request
// we need valid POST data. In this case we create a dummy 1 byte array.
// May not work as expected with some web sites.
DLOG(WARNING) << "Reissuing navigation with empty POST data. May not"
<< " work as expected";
safe_array_post.Create(1);
}
post_data_variant.Set(safe_array_post.Detach());
}
// Create a new bind context that's not associated with our callback.
// Calling RevokeBindStatusCallback doesn't disassociate the callback with
// the bind context in IE7. The returned bind context has the same
// implementation of GetRunningObjectTable as the bind context we held which
// basically delegates to ole32's GetRunningObjectTable. The object table
// is then used to determine if the moniker is already running and via
// that mechanism is associated with the same internet request as has already
// been issued.
// TODO(tommi): See if we can get HlinkSimpleNavigateToMoniker to work
// instead. Looks like we'll need to support IHTMLDocument2 (get_URL in
// particular), access to IWebBrowser2 etc.
// HlinkSimpleNavigateToMoniker(moniker, url, NULL, host, bind_context,
// NULL, 0, 0);
base::win::ScopedComPtr<IUriContainer> uri_container;
hr = uri_container.QueryFrom(moniker);
base::win::ScopedVariant headers_var;
if (headers && headers[0])
headers_var.Set(headers);
if (uri_container) {
// IE7 and IE8.
const IID* interface_ids[] = {
&IID_IWebBrowserPriv2IE7,
&IID_IWebBrowserPriv2IE8,
&IID_IWebBrowserPriv2IE8XP,
&IID_IWebBrowserPriv2IE8XPBeta,
};
base::win::ScopedComPtr<IWebBrowserPriv2Common, NULL> browser_priv2;
for (int i = 0; i < arraysize(interface_ids) && browser_priv2 == NULL;
++i) {
hr = web_browser2.QueryInterface(*interface_ids[i],
reinterpret_cast<void**>(browser_priv2.Receive()));
}
DCHECK(browser_priv2);
if (browser_priv2) {
base::win::ScopedComPtr<IUri> uri_obj;
uri_container->GetIUri(uri_obj.Receive());
DCHECK(uri_obj);
if (GetIEVersion() < IE_9) {
hr = browser_priv2->NavigateWithBindCtx2(
uri_obj, flags, NULL, post_data_variant.AsInput(),
headers_var.AsInput(), bind_ctx,
const_cast<wchar_t*>(fragment));
} else {
IWebBrowserPriv2CommonIE9* browser_priv2_ie9 =
reinterpret_cast<IWebBrowserPriv2CommonIE9*>(browser_priv2.get());
hr = browser_priv2_ie9->NavigateWithBindCtx2(
uri_obj, flags, NULL, post_data_variant.AsInput(),
headers_var.AsInput(), bind_ctx,
const_cast<wchar_t*>(fragment), 0);
}
DLOG_IF(WARNING, FAILED(hr))
<< base::StringPrintf(L"NavigateWithBindCtx2 0x%08X", hr);
}
} else {
// IE6
LPOLESTR url = NULL;
if (SUCCEEDED(hr = moniker->GetDisplayName(bind_ctx, NULL, &url))) {
DVLOG(1) << __FUNCTION__ << " " << url;
base::win::ScopedComPtr<IWebBrowserPriv> browser_priv;
if (SUCCEEDED(hr = browser_priv.QueryFrom(web_browser2))) {
GURL target_url(url);
// On IE6 if the original URL has a fragment then the navigation
// attempt is ignored. To workaround this we strip the fragment from
// the url and initiate the navigation. When the active document loads
// we retrieve the original url with the fragment from the Navigation
// manager and use it.
if (target_url.has_ref()) {
url_parse::Component comp;
GURL::Replacements replacements;
replacements.SetRef("", comp);
target_url = target_url.ReplaceComponents(replacements);
fragment = NULL;
}
base::win::ScopedVariant var_url(UTF8ToWide(target_url.spec()).c_str());
hr = browser_priv->NavigateWithBindCtx(var_url.AsInput(), flags, NULL,
post_data_variant.AsInput(),
headers_var.AsInput(), bind_ctx,
const_cast<wchar_t*>(fragment));
DLOG_IF(WARNING, FAILED(hr))
<< base::StringPrintf(L"NavigateWithBindCtx 0x%08X", hr);
} else {
NOTREACHED();
}
::CoTaskMemFree(url);
} else {
DLOG(ERROR) << base::StringPrintf("GetDisplayName: 0x%08X", hr);
}
}
return hr;
}
void MarkBrowserOnThreadForCFNavigation(IBrowserService* browser) {
DCHECK(browser != NULL);
DCHECK(g_tls_browser_for_cf_navigation.Pointer()->Get() == NULL ||
g_tls_browser_for_cf_navigation.Pointer()->Get() == browser);
g_tls_browser_for_cf_navigation.Pointer()->Set(browser);
}
bool CheckForCFNavigation(IBrowserService* browser, bool clear_flag) {
DCHECK(browser);
bool ret = (g_tls_browser_for_cf_navigation.Pointer()->Get() == browser);
if (ret && clear_flag)
g_tls_browser_for_cf_navigation.Pointer()->Set(NULL);
return ret;
}
bool IsValidUrlScheme(const GURL& url, bool is_privileged) {
if (url.is_empty())
return false;
if (url.SchemeIs(chrome::kHttpScheme) ||
url.SchemeIs(chrome::kHttpsScheme) ||
url.SchemeIs(chrome::kAboutScheme))
return true;
// Additional checking for view-source. Allow only http and https
// URLs in view source.
if (url.SchemeIs(chrome::kViewSourceScheme)) {
GURL sub_url(url.path());
if (sub_url.SchemeIs(chrome::kHttpScheme) ||
sub_url.SchemeIs(chrome::kHttpsScheme))
return true;
else
return false;
}
if (is_privileged &&
(url.SchemeIs(chrome::kDataScheme) ||
url.SchemeIs(chrome::kExtensionScheme)))
return true;
return false;
}
std::string GetRawHttpHeaders(IWinInetHttpInfo* info) {
DCHECK(info);
std::string buffer;
DWORD size = 0;
DWORD flags = 0;
DWORD reserved = 0;
HRESULT hr = info->QueryInfo(HTTP_QUERY_RAW_HEADERS_CRLF, NULL, &size,
&flags, &reserved);
if (!size) {
DLOG(WARNING) << "Failed to query HTTP headers size. Error: " << hr;
} else {
buffer.resize(size + 1);
hr = info->QueryInfo(HTTP_QUERY_RAW_HEADERS_CRLF, &buffer[0],
&size, &flags, &reserved);
if (FAILED(hr)) {
DLOG(WARNING) << "Failed to query HTTP headers. Error: " << hr;
}
}
return buffer;
}
bool IsSubFrameRequest(IUnknown* service_provider) {
DCHECK(service_provider);
// We need to be able to get at an IWebBrowser2 if we are to decide whether
// this request originates from a non-top-level frame.
base::win::ScopedComPtr<IWebBrowser2> web_browser;
HRESULT hr = DoQueryService(IID_ITargetFrame2, service_provider,
web_browser.Receive());
bool is_sub_frame_request = false;
if (web_browser) {
// Now check to see if we are in a sub-frame.
base::win::ScopedComPtr<IHTMLWindow2> current_frame, parent_frame;
hr = DoQueryService(IID_IHTMLWindow2, service_provider,
current_frame.Receive());
if (current_frame) {
// Only the top level window will return self when get_parent is called.
current_frame->get_parent(parent_frame.Receive());
if (parent_frame != current_frame) {
DVLOG(1) << "Sub frame detected";
is_sub_frame_request = true;
}
}
} else {
DVLOG(1) << "IsSubFrameRequest - no IWebBrowser2";
is_sub_frame_request = true;
}
return is_sub_frame_request;
}
bool IsHeadlessMode() {
bool headless = GetConfigBool(false, kChromeFrameHeadlessMode);
return headless;
}
bool IsAccessibleMode() {
bool accessible = GetConfigBool(false, kChromeFrameAccessibleMode);
return accessible;
}
bool IsUnpinnedMode() {
// We only check this value once and then cache it since changing the registry
// once we've pinned the DLL won't have any effect.
static bool unpinned = GetConfigBool(false, kChromeFrameUnpinnedMode);
return unpinned;
}
std::wstring GetActualUrlFromMoniker(IMoniker* moniker,
IBindCtx* bind_context,
const std::wstring& bho_url) {
CComHeapPtr<WCHAR> display_name;
moniker->GetDisplayName(bind_context, NULL, &display_name);
std::wstring moniker_url = display_name;
GURL parsed_url(WideToUTF8(bho_url));
if (!parsed_url.has_ref())
return moniker_url;
if (StartsWith(bho_url, moniker_url, false) &&
bho_url[moniker_url.length()] == L'#')
return bho_url;
return moniker_url;
}
bool IsTopLevelWindow(HWND window) {
long style = GetWindowLong(window, GWL_STYLE); // NOLINT
if (!(style & WS_CHILD))
return true;
HWND parent = GetParent(window);
return !parent || (parent == GetDesktopWindow());
}
HRESULT RewindStream(IStream* stream) {
HRESULT hr = E_POINTER;
if (stream) {
LARGE_INTEGER zero = {0};
ULARGE_INTEGER new_pos = {0};
hr = stream->Seek(zero, STREAM_SEEK_SET, &new_pos);
}
return hr;
}
std::wstring GuidToString(const GUID& guid) {
std::wstring ret;
::StringFromGUID2(guid, WriteInto(&ret, 39), 39);
return ret;
}
int32 MapCookieStateToCookieAction(InternetCookieState cookie_state) {
int32 cookie_action = COOKIEACTION_NONE;
switch (cookie_state) {
case COOKIE_STATE_UNKNOWN:
cookie_action = COOKIEACTION_NONE;
break;
case COOKIE_STATE_ACCEPT:
cookie_action = COOKIEACTION_ACCEPT;
break;
case COOKIE_STATE_LEASH:
cookie_action = COOKIEACTION_LEASH;
break;
case COOKIE_STATE_DOWNGRADE:
cookie_action = COOKIEACTION_DOWNGRADE;
break;
case COOKIE_STATE_REJECT:
cookie_action = COOKIEACTION_REJECT;
break;
default:
cookie_action = COOKIEACTION_REJECT;
break;
}
return cookie_action;
}
GURL GetUrlWithoutFragment(const wchar_t* url) {
GURL parsed_url(url);
if (parsed_url.has_ref()) {
url_parse::Component comp;
GURL::Replacements replacements;
replacements.SetRef("", comp);
parsed_url = parsed_url.ReplaceComponents(replacements);
}
return parsed_url;
}
bool CompareUrlsWithoutFragment(const wchar_t* url1, const wchar_t* url2) {
GURL parsed_url1 = GetUrlWithoutFragment(url1);
GURL parsed_url2 = GetUrlWithoutFragment(url2);
return parsed_url1 == parsed_url2;
}
std::string FindReferrerFromHeaders(const wchar_t* headers,
const wchar_t* additional_headers) {
std::string referrer;
const wchar_t* both_headers[] = { headers, additional_headers };
for (int i = 0; referrer.empty() && i < arraysize(both_headers); ++i) {
if (!both_headers[i])
continue;
std::string raw_headers_utf8 = WideToUTF8(both_headers[i]);
net::HttpUtil::HeadersIterator it(raw_headers_utf8.begin(),
raw_headers_utf8.end(), "\r\n");
while (it.GetNext()) {
if (LowerCaseEqualsASCII(it.name(), "referer")) {
referrer = it.values();
break;
}
}
}
return referrer;
}
std::string GetHttpHeadersFromBinding(IBinding* binding) {
if (binding == NULL) {
DLOG(WARNING) << "GetHttpResponseStatus - no binding_";
return std::string();
}
base::win::ScopedComPtr<IWinInetHttpInfo> info;
if (FAILED(info.QueryFrom(binding))) {
DLOG(WARNING) << "Failed to QI for IWinInetHttpInfo";
return std::string();
}
return GetRawHttpHeaders(info);
}
int GetHttpResponseStatusFromBinding(IBinding* binding) {
DVLOG(1) << __FUNCTION__;
if (binding == NULL) {
DLOG(WARNING) << "GetHttpResponseStatus - no binding_";
return 0;
}
int http_status = 0;
base::win::ScopedComPtr<IWinInetHttpInfo> info;
if (SUCCEEDED(info.QueryFrom(binding))) {
char status[10] = {0};
DWORD buf_size = sizeof(status);
DWORD flags = 0;
DWORD reserved = 0;
if (SUCCEEDED(info->QueryInfo(HTTP_QUERY_STATUS_CODE, status, &buf_size,
&flags, &reserved))) {
base::StringToInt(status, &http_status);
} else {
NOTREACHED() << "Failed to get HTTP status";
}
} else {
NOTREACHED() << "failed to get IWinInetHttpInfo from binding_";
}
return http_status;
}
CLIPFORMAT GetTextHtmlClipboardFormat() {
static const CLIPFORMAT text_html = RegisterClipboardFormat(CFSTR_MIME_HTML);
return text_html;
}
bool IsTextHtmlMimeType(const wchar_t* mime_type) {
return IsTextHtmlClipFormat(RegisterClipboardFormatW(mime_type));
}
bool IsTextHtmlClipFormat(CLIPFORMAT cf) {
return cf == GetTextHtmlClipboardFormat();
}
bool IsSystemProcess() {
bool is_system = false;
CAccessToken process_token;
if (process_token.GetProcessToken(TOKEN_QUERY, GetCurrentProcess())) {
CSid logon_sid;
if (process_token.GetUser(&logon_sid)) {
is_system = logon_sid == Sids::System();
}
}
return is_system;
}
std::string BindStatus2Str(ULONG bind_status) {
std::string s;
static const char* const bindstatus_txt[] = {
"BINDSTATUS_FINDINGRESOURCE",
"BINDSTATUS_CONNECTING",
"BINDSTATUS_REDIRECTING",
"BINDSTATUS_BEGINDOWNLOADDATA",
"BINDSTATUS_DOWNLOADINGDATA",
"BINDSTATUS_ENDDOWNLOADDATA",
"BINDSTATUS_BEGINDOWNLOADCOMPONENTS",
"BINDSTATUS_INSTALLINGCOMPONENTS",
"BINDSTATUS_ENDDOWNLOADCOMPONENTS",
"BINDSTATUS_USINGCACHEDCOPY",
"BINDSTATUS_SENDINGREQUEST",
"BINDSTATUS_CLASSIDAVAILABLE",
"BINDSTATUS_MIMETYPEAVAILABLE",
"BINDSTATUS_CACHEFILENAMEAVAILABLE",
"BINDSTATUS_BEGINSYNCOPERATION",
"BINDSTATUS_ENDSYNCOPERATION",
"BINDSTATUS_BEGINUPLOADDATA",
"BINDSTATUS_UPLOADINGDATA",
"BINDSTATUS_ENDUPLOADINGDATA",
"BINDSTATUS_PROTOCOLCLASSID",
"BINDSTATUS_ENCODING",
"BINDSTATUS_VERFIEDMIMETYPEAVAILABLE",
"BINDSTATUS_CLASSINSTALLLOCATION",
"BINDSTATUS_DECODING",
"BINDSTATUS_LOADINGMIMEHANDLER",
"BINDSTATUS_CONTENTDISPOSITIONATTACH",
"BINDSTATUS_FILTERREPORTMIMETYPE",
"BINDSTATUS_CLSIDCANINSTANTIATE",
"BINDSTATUS_IUNKNOWNAVAILABLE",
"BINDSTATUS_DIRECTBIND",
"BINDSTATUS_RAWMIMETYPE",
"BINDSTATUS_PROXYDETECTING",
"BINDSTATUS_ACCEPTRANGES",
"BINDSTATUS_COOKIE_SENT",
"BINDSTATUS_COMPACT_POLICY_RECEIVED",
"BINDSTATUS_COOKIE_SUPPRESSED",
"BINDSTATUS_COOKIE_STATE_UNKNOWN",
"BINDSTATUS_COOKIE_STATE_ACCEPT",
"BINDSTATUS_COOKIE_STATE_REJECT",
"BINDSTATUS_COOKIE_STATE_PROMPT",
"BINDSTATUS_COOKIE_STATE_LEASH",
"BINDSTATUS_COOKIE_STATE_DOWNGRADE",
"BINDSTATUS_POLICY_HREF",
"BINDSTATUS_P3P_HEADER",
"BINDSTATUS_SESSION_COOKIE_RECEIVED",
"BINDSTATUS_PERSISTENT_COOKIE_RECEIVED",
"BINDSTATUS_SESSION_COOKIES_ALLOWED",
"BINDSTATUS_CACHECONTROL",
"BINDSTATUS_CONTENTDISPOSITIONFILENAME",
"BINDSTATUS_MIMETEXTPLAINMISMATCH",
"BINDSTATUS_PUBLISHERAVAILABLE",
"BINDSTATUS_DISPLAYNAMEAVAILABLE",
"BINDSTATUS_SSLUX_NAVBLOCKED",
"BINDSTATUS_SERVER_MIMETYPEAVAILABLE",
"BINDSTATUS_SNIFFED_CLASSIDAVAILABLE",
"BINDSTATUS_64BIT_PROGRESS"
};
if (bind_status >= 1 && bind_status <= BINDSTATUS_64BIT_PROGRESS)
s = bindstatus_txt[bind_status - 1];
else
s = base::StringPrintf("UnDoc[%#x]", bind_status);
return s;
}
std::string PiFlags2Str(DWORD flags) {
#define ADD_PI_FLAG(x) \
if (flags & x) { \
s.append(#x ## " "); \
flags &= ~x; \
}
std::string s = " flags ";
ADD_PI_FLAG(PI_PARSE_URL);
ADD_PI_FLAG(PI_FILTER_MODE);
ADD_PI_FLAG(PI_FORCE_ASYNC);
ADD_PI_FLAG(PI_USE_WORKERTHREAD);
ADD_PI_FLAG(PI_MIMEVERIFICATION);
ADD_PI_FLAG(PI_CLSIDLOOKUP);
ADD_PI_FLAG(PI_DATAPROGRESS);
ADD_PI_FLAG(PI_SYNCHRONOUS);
ADD_PI_FLAG(PI_APARTMENTTHREADED);
ADD_PI_FLAG(PI_CLASSINSTALL);
ADD_PI_FLAG(PI_PASSONBINDCTX);
ADD_PI_FLAG(PI_NOMIMEHANDLER);
ADD_PI_FLAG(PI_LOADAPPDIRECT);
ADD_PI_FLAG(PD_FORCE_SWITCH);
ADD_PI_FLAG(PI_PREFERDEFAULTHANDLER);
if (flags)
s += base::StringPrintf("+UnDoc[%#x]", flags);
return s;
#undef ADD_PI_FLAG
}
std::string Bscf2Str(DWORD flags) {
#define ADD_BSCF_FLAG(x) \
if (flags & x) {\
s.append(#x ## " "); \
flags &= ~x; \
}
std::string s = " flags ";
ADD_BSCF_FLAG(BSCF_FIRSTDATANOTIFICATION)
ADD_BSCF_FLAG(BSCF_INTERMEDIATEDATANOTIFICATION)
ADD_BSCF_FLAG(BSCF_LASTDATANOTIFICATION)
ADD_BSCF_FLAG(BSCF_DATAFULLYAVAILABLE)
ADD_BSCF_FLAG(BSCF_AVAILABLEDATASIZEUNKNOWN)
ADD_BSCF_FLAG(BSCF_SKIPDRAINDATAFORFILEURLS)
ADD_BSCF_FLAG(BSCF_64BITLENGTHDOWNLOAD)
if (flags)
s += base::StringPrintf("+UnDoc[%#x]", flags);
return s;
#undef ADD_BSCF_FLAG
}
// Reads data from a stream into a string.
HRESULT ReadStream(IStream* stream, size_t size, std::string* data) {
DCHECK(stream);
DCHECK_GT(size, 0u);
DCHECK(data);
DWORD read = 0;
HRESULT hr = stream->Read(WriteInto(data, size + 1), size, &read);
DCHECK(hr == S_OK || hr == S_FALSE || hr == E_PENDING);
if (read) {
data->erase(read);
DCHECK_EQ(read, data->length());
} else {
data->clear();
// Return S_FALSE if the underlying stream returned S_OK and zero bytes.
if (hr == S_OK)
hr = S_FALSE;
}
return hr;
}
ChromeFrameUrl::ChromeFrameUrl() {
Reset();
}
bool ChromeFrameUrl::Parse(const std::wstring& url) {
Reset();
parsed_url_ = GURL(url);
if (parsed_url_.is_empty())
return false;
is_chrome_protocol_ = parsed_url_.SchemeIs(kGCFProtocol);
if (is_chrome_protocol_) {
parsed_url_ = GURL(url.c_str() + lstrlen(kChromeProtocolPrefix));
return true;
}
return ParseAttachExternalTabUrl();
}
bool ChromeFrameUrl::ParseAttachExternalTabUrl() {
std::string query = parsed_url_.query();
if (!StartsWithASCII(query, kAttachExternalTabPrefix, false)) {
return parsed_url_.is_valid();
}
attach_to_external_tab_ = true;
StringTokenizer tokenizer(query, "&");
// Skip over kChromeAttachExternalTabPrefix
tokenizer.GetNext();
// Read the following items in order.
// 1. cookie
// 2. disposition
// 3. dimension.x
// 4. dimension.y
// 5. dimension.width
// 6. dimension.height.
if (tokenizer.GetNext()) {
char* end_ptr = 0;
cookie_ = _strtoui64(tokenizer.token().c_str(), &end_ptr, 10);
} else {
return false;
}
if (tokenizer.GetNext()) {
disposition_ = atoi(tokenizer.token().c_str());
} else {
return false;
}
if (tokenizer.GetNext()) {
dimensions_.set_x(atoi(tokenizer.token().c_str()));
} else {
return false;
}
if (tokenizer.GetNext()) {
dimensions_.set_y(atoi(tokenizer.token().c_str()));
} else {
return false;
}
if (tokenizer.GetNext()) {
dimensions_.set_width(atoi(tokenizer.token().c_str()));
} else {
return false;
}
if (tokenizer.GetNext()) {
dimensions_.set_height(atoi(tokenizer.token().c_str()));
} else {
return false;
}
if (tokenizer.GetNext()) {
profile_name_ = tokenizer.token();
// Escape out special characters like %20, etc.
profile_name_ = net::UnescapeURLComponent(profile_name_,
net::UnescapeRule::SPACES | net::UnescapeRule::URL_SPECIAL_CHARS);
} else {
return false;
}
return true;
}
void ChromeFrameUrl::Reset() {
attach_to_external_tab_ = false;
is_chrome_protocol_ = false;
cookie_ = 0;
dimensions_.SetRect(0, 0, 0, 0);
disposition_ = 0;
profile_name_.clear();
}
bool CanNavigate(const GURL& url,
NavigationConstraints* navigation_constraints) {
if (!url.is_valid()) {
DLOG(ERROR) << "Invalid URL passed to InitiateNavigation: " << url;
return false;
}
if (!navigation_constraints) {
NOTREACHED() << "Invalid NavigationConstraints passed in";
return false;
}
// No sanity checks if unsafe URLs are allowed
if (navigation_constraints->AllowUnsafeUrls())
return true;
if (!navigation_constraints->IsSchemeAllowed(url)) {
DLOG(WARNING) << __FUNCTION__ << " Disallowing navigation to url: " << url;
return false;
}
if (!navigation_constraints->IsZoneAllowed(url)) {
DLOG(WARNING) << __FUNCTION__
<< " Disallowing navigation to restricted url: " << url;
return false;
}
return true;
}
void PinModule() {
static bool s_pinned = false;
if (!s_pinned && !IsUnpinnedMode()) {
wchar_t system_buffer[MAX_PATH];
HMODULE this_module = reinterpret_cast<HMODULE>(&__ImageBase);
system_buffer[0] = 0;
if (GetModuleFileName(this_module, system_buffer,
arraysize(system_buffer)) != 0) {
HMODULE unused;
if (!GetModuleHandleEx(GET_MODULE_HANDLE_EX_FLAG_PIN, system_buffer,
&unused)) {
DPLOG(FATAL) << "Failed to pin module " << system_buffer;
} else {
s_pinned = true;
}
} else {
DPLOG(FATAL) << "Could not get module path.";
}
}
}
void WaitWithMessageLoop(HANDLE* handles, int count, DWORD timeout) {
base::Time now = base::Time::Now();
base::Time wait_until = now + base::TimeDelta::FromMilliseconds(timeout);
while (wait_until >= now) {
base::TimeDelta wait_time = wait_until - now;
DWORD wait = MsgWaitForMultipleObjects(
count, handles, FALSE, static_cast<DWORD>(wait_time.InMilliseconds()),
QS_ALLINPUT);
switch (wait) {
case WAIT_OBJECT_0:
case WAIT_TIMEOUT:
return;
case WAIT_OBJECT_0 + 1: {
MSG msg = {0};
while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
TranslateMessage(&msg);
DispatchMessage(&msg);
}
break;
}
default: {
NOTREACHED() << "Unexpected return from MsgWaitForMultipleObjects :"
<< wait;
return;
}
}
now = base::Time::Now();
}
}
// Returns -1 if no directive is found, std::numeric_limits<int>::max() if the
// directive matches all IE versions ('Chrome=1') or the maximum IE version
// matched ('Chrome=IE7' => 7)
int GetXUaCompatibleDirective(const std::string& directive, char delimiter) {
net::HttpUtil::NameValuePairsIterator name_value_pairs(directive.begin(),
directive.end(),
delimiter);
// Loop through the values until a valid 'Chrome=<FILTER>' entry is found
while (name_value_pairs.GetNext()) {
if (!LowerCaseEqualsASCII(name_value_pairs.name_begin(),
name_value_pairs.name_end(),
"chrome")) {
continue;
}
std::string::const_iterator filter_begin = name_value_pairs.value_begin();
std::string::const_iterator filter_end = name_value_pairs.value_end();
size_t filter_length = filter_end - filter_begin;
if (filter_length == 1 && *filter_begin == '1') {
return std::numeric_limits<int>::max();
}
if (filter_length < 3 ||
!LowerCaseEqualsASCII(filter_begin, filter_begin + 2, "ie") ||
!isdigit(*(filter_begin + 2))) { // ensure no leading +/-
continue;
}
int header_ie_version = 0;
if (!base::StringToInt(base::StringPiece(filter_begin + 2,
filter_end),
&header_ie_version) ||
header_ie_version == 0) { // ensure it's not a sequence of 0's
continue;
}
// The first valid directive we find wins, whether it matches or not
return header_ie_version;
}
return -1;
}
bool CheckXUaCompatibleDirective(const std::string& directive,
int ie_major_version) {
int header_ie_version = GetXUaCompatibleDirective(directive, ';');
if (header_ie_version == -1) {
header_ie_version = GetXUaCompatibleDirective(directive, ',');
}
return header_ie_version >= ie_major_version;
}
void EnumerateKeyValues(HKEY parent_key, const wchar_t* sub_key_name,
std::vector<std::wstring>* values) {
DCHECK(values);
base::win::RegistryValueIterator url_list(parent_key, sub_key_name);
while (url_list.Valid()) {
values->push_back(url_list.Value());
++url_list;
}
}
std::wstring GetCurrentModuleVersion() {
scoped_ptr<FileVersionInfo> module_version_info(
FileVersionInfo::CreateFileVersionInfoForCurrentModule());
DCHECK(module_version_info.get() != NULL);
return module_version_info->file_version();
}
bool IsChromeFrameDocument(IWebBrowser2* web_browser) {
if (!web_browser)
return false;
base::win::ScopedComPtr<IDispatch> doc;
web_browser->get_Document(doc.Receive());
if (doc) {
// Detect if CF is rendering based on whether the document is a
// ChromeActiveDocument. Detecting based on hwnd is problematic as
// the CF Active Document window may not have been created yet.
base::win::ScopedComPtr<IChromeFrame> chrome_frame;
chrome_frame.QueryFrom(doc);
return chrome_frame.get() != NULL;
}
return false;
}
bool IncreaseWinInetConnections(DWORD connections) {
static bool wininet_connection_count_updated = false;
if (wininet_connection_count_updated) {
return true;
}
static int connection_options[] = {
INTERNET_OPTION_MAX_CONNS_PER_SERVER,
INTERNET_OPTION_MAX_CONNS_PER_1_0_SERVER,
};
BOOL ret = FALSE;
for (int option_index = 0; option_index < arraysize(connection_options);
++option_index) {
DWORD connection_value_size = sizeof(DWORD);
DWORD current_connection_limit = 0;
InternetQueryOption(NULL, connection_options[option_index],
¤t_connection_limit, &connection_value_size);
if (current_connection_limit > connections) {
continue;
}
ret = InternetSetOption(NULL, connection_options[option_index],
&connections, connection_value_size);
if (!ret) {
return false;
}
}
wininet_connection_count_updated = true;
return true;
}
|