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
|
// ArchiveOpenCallback.cpp
#include "StdAfx.h"
#include "../../../Common/ComTry.h"
#include "../../../Windows/FileName.h"
#include "../../../Windows/PropVariant.h"
#include "../../Common/FileStreams.h"
#include "ArchiveOpenCallback.h"
using namespace NWindows;
STDMETHODIMP COpenCallbackImp::SetTotal(const UInt64 *files, const UInt64 *bytes)
{
COM_TRY_BEGIN
if (ReOpenCallback)
return ReOpenCallback->SetTotal(files, bytes);
if (!Callback)
return S_OK;
return Callback->Open_SetTotal(files, bytes);
COM_TRY_END
}
STDMETHODIMP COpenCallbackImp::SetCompleted(const UInt64 *files, const UInt64 *bytes)
{
COM_TRY_BEGIN
if (ReOpenCallback)
return ReOpenCallback->SetCompleted(files, bytes);
if (!Callback)
return S_OK;
return Callback->Open_SetCompleted(files, bytes);
COM_TRY_END
}
STDMETHODIMP COpenCallbackImp::GetProperty(PROPID propID, PROPVARIANT *value)
{
COM_TRY_BEGIN
NCOM::CPropVariant prop;
if (_subArchiveMode)
switch (propID)
{
case kpidName: prop = _subArchiveName; break;
// case kpidSize: prop = _subArchiveSize; break; // we don't use it now
}
else
switch (propID)
{
case kpidName: prop = _fileInfo.Name; break;
case kpidIsDir: prop = _fileInfo.IsDir(); break;
case kpidSize: prop = _fileInfo.Size; break;
case kpidAttrib: prop = (UInt32)_fileInfo.Attrib; break;
case kpidCTime: prop = _fileInfo.CTime; break;
case kpidATime: prop = _fileInfo.ATime; break;
case kpidMTime: prop = _fileInfo.MTime; break;
}
prop.Detach(value);
return S_OK;
COM_TRY_END
}
struct CInFileStreamVol: public CInFileStream
{
int FileNameIndex;
COpenCallbackImp *OpenCallbackImp;
CMyComPtr<IArchiveOpenCallback> OpenCallbackRef;
CInFileStreamVol() : CInFileStream(true) { }
~CInFileStreamVol()
{
if (OpenCallbackRef)
OpenCallbackImp->FileNames_WasUsed[FileNameIndex] = false;
}
};
// from ArchiveExtractCallback.cpp
bool IsSafePath(const UString &path);
STDMETHODIMP COpenCallbackImp::GetStream(const wchar_t *name, IInStream **inStream)
{
COM_TRY_BEGIN
*inStream = NULL;
if (_subArchiveMode)
return S_FALSE;
if (Callback)
{
RINOK(Callback->Open_CheckBreak());
}
UString name2 = name;
#ifndef _SFX
#ifdef _WIN32
name2.Replace(L'/', WCHAR_PATH_SEPARATOR);
#endif
// if (!allowAbsVolPaths)
if (!IsSafePath(name2))
return S_FALSE;
#endif
FString fullPath;
if (!NFile::NName::GetFullPath(_folderPrefix, us2fs(name2), fullPath))
return S_FALSE;
if (!_fileInfo.Find(fullPath,true))
return S_FALSE;
if (_fileInfo.IsDir())
return S_FALSE;
CInFileStreamVol *inFile = new CInFileStreamVol;
CMyComPtr<IInStream> inStreamTemp = inFile;
if (!inFile->Open(fullPath))
{
DWORD lastError = ::GetLastError();
if (lastError == 0)
return E_FAIL;
return HRESULT_FROM_WIN32(lastError);
}
FileSizes.Add(_fileInfo.Size);
FileNames.Add(name2);
inFile->FileNameIndex = FileNames_WasUsed.Add(true);
inFile->OpenCallbackImp = this;
inFile->OpenCallbackRef = this;
// TotalSize += _fileInfo.Size;
*inStream = inStreamTemp.Detach();
return S_OK;
COM_TRY_END
}
#ifndef _NO_CRYPTO
STDMETHODIMP COpenCallbackImp::CryptoGetTextPassword(BSTR *password)
{
COM_TRY_BEGIN
if (ReOpenCallback)
{
CMyComPtr<ICryptoGetTextPassword> getTextPassword;
ReOpenCallback.QueryInterface(IID_ICryptoGetTextPassword, &getTextPassword);
if (getTextPassword)
return getTextPassword->CryptoGetTextPassword(password);
}
if (!Callback)
return E_NOTIMPL;
PasswordWasAsked = true;
return Callback->Open_CryptoGetTextPassword(password);
COM_TRY_END
}
#endif
|
