summaryrefslogtreecommitdiff
path: root/package/inc/ZipFile.hxx
blob: 16bbd917834e4b3339a066bf1bf55194f48068a7 (plain)
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
/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: ZipFile.hxx,v $
 *
 *  $Revision: 1.21 $
 *
 *  last change: $Author: rt $ $Date: 2005-09-08 15:58:44 $
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005 by Sun Microsystems, Inc.
 *    901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License version 2.1, as published by the Free Software Foundation.
 *
 *    This library is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *    Lesser General Public License for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with this library; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *    MA  02111-1307  USA
 *
 ************************************************************************/
#ifndef _ZIP_FILE_HXX
#define _ZIP_FILE_HXX

#ifndef _COM_SUN_STAR_PACKAGES_ZIP_ZIPEXCEPTION_HPP_
#include <com/sun/star/packages/zip/ZipException.hpp>
#endif
#ifndef _COM_SUN_STAR_PACKAGES_ZIP_ZIPIOEXCEPTION_HPP_
#include <com/sun/star/packages/zip/ZipIOException.hpp>
#endif
#ifndef _COM_SUN_STAR_PACKAGES_NOENCRYPTIONEXCEPTION_HPP_
#include <com/sun/star/packages/NoEncryptionException.hpp>
#endif

#ifndef _COM_SUN_STAR_PACKAGES_WRONGPASSWORDEXCEPTION_HPP_
#include <com/sun/star/packages/WrongPasswordException.hpp>
#endif

#ifndef _BYTE_GRABBER_HXX_
#include <ByteGrabber.hxx>
#endif
#ifndef _HASHMAPS_HXX
#include <HashMaps.hxx>
#endif
#ifndef _INFLATER_HXX
#include <Inflater.hxx>
#endif


namespace com { namespace sun { namespace star {
    namespace lang { class XMultiServiceFactory; }
    namespace ucb  { class XProgressHandler; }
} } }
namespace vos
{
    template < class T > class ORef;
}
/*
 * We impose arbitrary but reasonable limit on ZIP files.
 */

#define ZIP_MAXNAMELEN 512
#define ZIP_MAXEXTRA 256
#define ZIP_MAXENTRIES (0x10000 - 2)

typedef void* rtlCipher;
class ZipEnumeration;
class EncryptionData;

class ZipFile
{
protected:
    ::rtl::OUString sName;          /* zip file name */
    ::rtl::OUString sComment;       /* zip file comment */
    EntryHash       aEntries;
    ByteGrabber     aGrabber;
    Inflater        aInflater;
    com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xStream;
    com::sun::star::uno::Reference < com::sun::star::io::XSeekable > xSeek;
    const ::com::sun::star::uno::Reference < com::sun::star::lang::XMultiServiceFactory > xFactory;
    ::com::sun::star::uno::Reference < ::com::sun::star::ucb::XProgressHandler > xProgressHandler;

    sal_Bool bRecoveryMode;

    com::sun::star::uno::Reference < com::sun::star::io::XInputStream >  createMemoryStream(
            ZipEntry & rEntry,
            const vos::ORef < EncryptionData > &rData,
            sal_Bool bRawStream,
            sal_Bool bDecrypt );

    com::sun::star::uno::Reference < com::sun::star::io::XInputStream >  createFileStream(
            ZipEntry & rEntry,
            const vos::ORef < EncryptionData > &rData,
            sal_Bool bRawStream,
            sal_Bool bDecrypt );

    // aMediaType parameter is used only for raw stream header creation
    com::sun::star::uno::Reference < com::sun::star::io::XInputStream >  createUnbufferedStream(
            ZipEntry & rEntry,
            const vos::ORef < EncryptionData > &rData,
            sal_Int8 nStreamMode,
            sal_Bool bDecrypt,
            ::rtl::OUString aMediaType = ::rtl::OUString() );

    sal_Bool hasValidPassword ( ZipEntry & rEntry, const vos::ORef < EncryptionData > &rData );

    sal_Bool checkSizeAndCRC( const ZipEntry& aEntry );

    sal_Int32 getCRC( sal_Int32 nOffset, sal_Int32 nSize );

    void getSizeAndCRC( sal_Int32 nOffset, sal_Int32 nCompressedSize, sal_Int32 *nSize, sal_Int32 *nCRC );

public:

    ZipFile( com::sun::star::uno::Reference < com::sun::star::io::XInputStream > &xInput,
             const com::sun::star::uno::Reference < com::sun::star::lang::XMultiServiceFactory > &xNewFactory,
             sal_Bool bInitialise
             )
        throw(::com::sun::star::io::IOException, com::sun::star::packages::zip::ZipException, com::sun::star::uno::RuntimeException);

    ZipFile( com::sun::star::uno::Reference < com::sun::star::io::XInputStream > &xInput,
             const com::sun::star::uno::Reference < com::sun::star::lang::XMultiServiceFactory > &xNewFactory,
             sal_Bool bInitialise,
             sal_Bool bForceRecover,
             ::com::sun::star::uno::Reference < ::com::sun::star::ucb::XProgressHandler > xProgress
             )
        throw(::com::sun::star::io::IOException, com::sun::star::packages::zip::ZipException, com::sun::star::uno::RuntimeException);

    ~ZipFile();

    void setInputStream ( com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xNewStream );
    ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getRawData(
            ZipEntry& rEntry,
            const vos::ORef < EncryptionData > &rData,
            sal_Bool bDecrypt)
        throw(::com::sun::star::io::IOException, ::com::sun::star::packages::zip::ZipException, ::com::sun::star::uno::RuntimeException);

    static void StaticGetCipher ( const vos::ORef < EncryptionData > & xEncryptionData, rtlCipher &rCipher );

    static void StaticFillHeader ( const vos::ORef < EncryptionData > & rData,
                                    sal_Int32 nSize,
                                    const ::rtl::OUString& aMediaType,
                                    sal_Int8 * & pHeader );

    static sal_Bool StaticFillData ( vos::ORef < EncryptionData > & rData,
                                     sal_Int32 &rSize,
                                     ::rtl::OUString& aMediaType,
                                     ::com::sun::star::uno::Reference < com::sun::star::io::XInputStream > &rStream );

    static ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > StaticGetDataFromRawStream(
            const ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream >& xStream,
            const vos::ORef < EncryptionData > &rData )
        throw ( ::com::sun::star::packages::WrongPasswordException,
                ::com::sun::star::packages::zip::ZipIOException,
                ::com::sun::star::uno::RuntimeException );

    static sal_Bool StaticHasValidPassword ( const ::com::sun::star::uno::Sequence< sal_Int8 > &aReadBuffer,
                                             const vos::ORef < EncryptionData > &rData );


    ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getInputStream(
            ZipEntry& rEntry,
            const vos::ORef < EncryptionData > &rData,
            sal_Bool bDecrypt )
        throw(::com::sun::star::io::IOException, ::com::sun::star::packages::zip::ZipException, ::com::sun::star::uno::RuntimeException);

    ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getDataStream(
            ZipEntry& rEntry,
            const vos::ORef < EncryptionData > &rData,
            sal_Bool bDecrypt )
        throw ( ::com::sun::star::packages::WrongPasswordException,
                ::com::sun::star::io::IOException,
                ::com::sun::star::packages::zip::ZipException,
                ::com::sun::star::uno::RuntimeException );

    ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getWrappedRawStream(
            ZipEntry& rEntry,
            const vos::ORef < EncryptionData > &rData,
            const ::rtl::OUString& aMediaType )
        throw ( ::com::sun::star::packages::NoEncryptionException,
                ::com::sun::star::io::IOException,
                ::com::sun::star::packages::zip::ZipException,
                ::com::sun::star::uno::RuntimeException );

    ::rtl::OUString SAL_CALL getName(  )
        throw(::com::sun::star::uno::RuntimeException);
    sal_Int32 SAL_CALL getSize(  )
        throw(::com::sun::star::uno::RuntimeException);

    ZipEnumeration * SAL_CALL entries(  );
protected:
    sal_Bool        readLOC ( ZipEntry &rEntry)
        throw(::com::sun::star::io::IOException, com::sun::star::packages::zip::ZipException, com::sun::star::uno::RuntimeException);
    sal_Int32       readCEN()
        throw(::com::sun::star::io::IOException, com::sun::star::packages::zip::ZipException, com::sun::star::uno::RuntimeException);
    sal_Int32       findEND()
        throw(::com::sun::star::io::IOException, com::sun::star::packages::zip::ZipException, com::sun::star::uno::RuntimeException);
    sal_Int32       recover()
        throw(::com::sun::star::io::IOException, com::sun::star::packages::zip::ZipException, com::sun::star::uno::RuntimeException);

};

#endif