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
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_PACKAGE_INC_ZIPFILE_HXX
#define INCLUDED_PACKAGE_INC_ZIPFILE_HXX
#include <com/sun/star/packages/zip/ZipException.hpp>
#include <com/sun/star/packages/zip/ZipIOException.hpp>
#include <com/sun/star/packages/NoEncryptionException.hpp>
#include <com/sun/star/packages/WrongPasswordException.hpp>
#include <com/sun/star/xml/crypto/XCipherContext.hpp>
#include <com/sun/star/xml/crypto/XDigestContext.hpp>
#include <package/Inflater.hxx>
#include <ByteGrabber.hxx>
#include <HashMaps.hxx>
#include <EncryptionData.hxx>
#include <mutexholder.hxx>
namespace com { namespace sun { namespace star {
namespace uno { class XComponentContext; }
namespace ucb { class XProgressHandler; }
} } }
namespace rtl
{
template < class T > class Reference;
}
/*
* We impose arbitrary but reasonable limit on ZIP files.
*/
#define ZIP_MAXNAMELEN 512
#define ZIP_MAXENTRIES (0x10000 - 2)
class ZipEnumeration;
class ZipFile
{
protected:
::osl::Mutex m_aMutex;
EntryHash aEntries;
ByteGrabber aGrabber;
ZipUtils::Inflater aInflater;
css::uno::Reference < css::io::XInputStream > xStream;
css::uno::Reference < css::io::XSeekable > xSeek;
const css::uno::Reference < css::uno::XComponentContext > m_xContext;
bool bRecoveryMode;
// aMediaType parameter is used only for raw stream header creation
css::uno::Reference < css::io::XInputStream > createUnbufferedStream(
const rtl::Reference<SotMutexHolder>& aMutexHolder,
ZipEntry & rEntry,
const ::rtl::Reference < EncryptionData > &rData,
sal_Int8 nStreamMode,
bool bDecrypt,
const OUString& aMediaType = OUString() );
bool hasValidPassword ( ZipEntry & rEntry, const rtl::Reference < EncryptionData > &rData );
bool checkSizeAndCRC( const ZipEntry& aEntry );
sal_Int32 getCRC( sal_Int64 nOffset, sal_Int64 nSize );
void getSizeAndCRC( sal_Int64 nOffset, sal_Int64 nCompressedSize, sal_Int64 *nSize, sal_Int32 *nCRC );
public:
ZipFile( css::uno::Reference < css::io::XInputStream > &xInput,
const css::uno::Reference < css::uno::XComponentContext > &rxContext,
bool bInitialise
)
throw(css::io::IOException, css::packages::zip::ZipException, css::uno::RuntimeException);
ZipFile( css::uno::Reference < css::io::XInputStream > &xInput,
const css::uno::Reference < css::uno::XComponentContext > &rxContext,
bool bInitialise,
bool bForceRecover
)
throw(css::io::IOException, css::packages::zip::ZipException, css::uno::RuntimeException);
~ZipFile();
EntryHash& GetEntryHash() { return aEntries; }
void setInputStream ( css::uno::Reference < css::io::XInputStream > xNewStream );
css::uno::Reference< css::io::XInputStream > SAL_CALL getRawData(
ZipEntry& rEntry,
const ::rtl::Reference < EncryptionData > &rData,
bool bDecrypt,
const rtl::Reference<SotMutexHolder>& aMutexHolder )
throw(css::io::IOException, css::packages::zip::ZipException, css::uno::RuntimeException);
static css::uno::Reference< css::xml::crypto::XDigestContext > StaticGetDigestContextForChecksum(
const css::uno::Reference< css::uno::XComponentContext >& xArgContext,
const ::rtl::Reference< EncryptionData >& xEncryptionData );
static css::uno::Reference< css::xml::crypto::XCipherContext > StaticGetCipher(
const css::uno::Reference< css::uno::XComponentContext >& xArgContext,
const ::rtl::Reference< EncryptionData >& xEncryptionData,
bool bEncrypt );
static void StaticFillHeader ( const ::rtl::Reference < EncryptionData > & rData,
sal_Int64 nSize,
const OUString& aMediaType,
sal_Int8 * & pHeader );
static bool StaticFillData ( ::rtl::Reference < BaseEncryptionData > & rData,
sal_Int32 &rEncAlgorithm,
sal_Int32 &rChecksumAlgorithm,
sal_Int32 &rDerivedKeySize,
sal_Int32 &rStartKeyGenID,
sal_Int32 &rSize,
OUString& aMediaType,
const css::uno::Reference < css::io::XInputStream >& rStream );
static css::uno::Reference< css::io::XInputStream > StaticGetDataFromRawStream(
const css::uno::Reference< css::uno::XComponentContext >& rxContext,
const css::uno::Reference< css::io::XInputStream >& xStream,
const ::rtl::Reference < EncryptionData > &rData )
throw ( css::packages::WrongPasswordException,
css::packages::zip::ZipIOException,
css::uno::RuntimeException );
static bool StaticHasValidPassword (
const css::uno::Reference< css::uno::XComponentContext >& rxContext,
const css::uno::Sequence< sal_Int8 > &aReadBuffer,
const ::rtl::Reference < EncryptionData > &rData );
css::uno::Reference< css::io::XInputStream > SAL_CALL getInputStream(
ZipEntry& rEntry,
const ::rtl::Reference < EncryptionData > &rData,
bool bDecrypt,
const rtl::Reference<SotMutexHolder>& aMutexHolder )
throw(css::io::IOException, css::packages::zip::ZipException, css::uno::RuntimeException);
css::uno::Reference< css::io::XInputStream > SAL_CALL getDataStream(
ZipEntry& rEntry,
const ::rtl::Reference < EncryptionData > &rData,
bool bDecrypt,
const rtl::Reference<SotMutexHolder>& aMutexHolder )
throw ( css::packages::WrongPasswordException,
css::io::IOException,
css::packages::zip::ZipException,
css::uno::RuntimeException );
css::uno::Reference< css::io::XInputStream > SAL_CALL getWrappedRawStream(
ZipEntry& rEntry,
const ::rtl::Reference < EncryptionData > &rData,
const OUString& aMediaType,
const rtl::Reference<SotMutexHolder>& aMutexHolder )
throw ( css::packages::NoEncryptionException,
css::io::IOException,
css::packages::zip::ZipException,
css::uno::RuntimeException );
ZipEnumeration * SAL_CALL entries( );
protected:
bool readLOC ( ZipEntry &rEntry)
throw(css::io::IOException, css::packages::zip::ZipException, css::uno::RuntimeException);
sal_Int32 readCEN()
throw(css::io::IOException, css::packages::zip::ZipException, css::uno::RuntimeException);
sal_Int32 findEND()
throw(css::io::IOException, css::packages::zip::ZipException, css::uno::RuntimeException);
void recover()
throw(css::io::IOException, css::packages::zip::ZipException, css::uno::RuntimeException);
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
