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1 : : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : : /*
3 : : * This file is part of the LibreOffice project.
4 : : *
5 : : * This Source Code Form is subject to the terms of the Mozilla Public
6 : : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : : *
9 : : * This file incorporates work covered by the following license notice:
10 : : *
11 : : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : : * contributor license agreements. See the NOTICE file distributed
13 : : * with this work for additional information regarding copyright
14 : : * ownership. The ASF licenses this file to you under the Apache
15 : : * License, Version 2.0 (the "License"); you may not use this file
16 : : * except in compliance with the License. You may obtain a copy of
17 : : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : : */
19 : : #ifndef _ZIP_FILE_HXX
20 : : #define _ZIP_FILE_HXX
21 : :
22 : : #include <com/sun/star/packages/zip/ZipException.hpp>
23 : : #include <com/sun/star/packages/zip/ZipIOException.hpp>
24 : : #include <com/sun/star/packages/NoEncryptionException.hpp>
25 : : #include <com/sun/star/packages/WrongPasswordException.hpp>
26 : : #include <com/sun/star/xml/crypto/XCipherContext.hpp>
27 : : #include <com/sun/star/xml/crypto/XDigestContext.hpp>
28 : :
29 : : #include <package/Inflater.hxx>
30 : : #include <ByteGrabber.hxx>
31 : : #include <HashMaps.hxx>
32 : : #include <EncryptionData.hxx>
33 : :
34 : : #include <mutexholder.hxx>
35 : :
36 : : namespace com { namespace sun { namespace star {
37 : : namespace lang { class XMultiServiceFactory; }
38 : : namespace ucb { class XProgressHandler; }
39 : : } } }
40 : : namespace rtl
41 : : {
42 : : template < class T > class Reference;
43 : : }
44 : :
45 : : /*
46 : : * We impose arbitrary but reasonable limit on ZIP files.
47 : : */
48 : :
49 : : #define ZIP_MAXNAMELEN 512
50 : : #define ZIP_MAXEXTRA 256
51 : : #define ZIP_MAXENTRIES (0x10000 - 2)
52 : :
53 : : class ZipEnumeration;
54 : :
55 : : class ZipFile
56 : : {
57 : : protected:
58 : : ::osl::Mutex m_aMutex;
59 : :
60 : : ::rtl::OUString sComment; /* zip file comment */
61 : : EntryHash aEntries;
62 : : ByteGrabber aGrabber;
63 : : ZipUtils::Inflater aInflater;
64 : : com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xStream;
65 : : com::sun::star::uno::Reference < com::sun::star::io::XSeekable > xSeek;
66 : : const ::com::sun::star::uno::Reference < com::sun::star::lang::XMultiServiceFactory > m_xFactory;
67 : : ::com::sun::star::uno::Reference < ::com::sun::star::ucb::XProgressHandler > xProgressHandler;
68 : :
69 : : sal_Bool bRecoveryMode;
70 : :
71 : : com::sun::star::uno::Reference < com::sun::star::io::XInputStream > createMemoryStream(
72 : : ZipEntry & rEntry,
73 : : const ::rtl::Reference < EncryptionData > &rData,
74 : : sal_Bool bRawStream,
75 : : sal_Bool bDecrypt );
76 : :
77 : : com::sun::star::uno::Reference < com::sun::star::io::XInputStream > createFileStream(
78 : : ZipEntry & rEntry,
79 : : const ::rtl::Reference < EncryptionData > &rData,
80 : : sal_Bool bRawStream,
81 : : sal_Bool bDecrypt );
82 : :
83 : : // aMediaType parameter is used only for raw stream header creation
84 : : com::sun::star::uno::Reference < com::sun::star::io::XInputStream > createUnbufferedStream(
85 : : SotMutexHolderRef aMutexHolder,
86 : : ZipEntry & rEntry,
87 : : const ::rtl::Reference < EncryptionData > &rData,
88 : : sal_Int8 nStreamMode,
89 : : sal_Bool bDecrypt,
90 : : ::rtl::OUString aMediaType = ::rtl::OUString() );
91 : :
92 : : sal_Bool hasValidPassword ( ZipEntry & rEntry, const rtl::Reference < EncryptionData > &rData );
93 : :
94 : : sal_Bool checkSizeAndCRC( const ZipEntry& aEntry );
95 : :
96 : : sal_Int32 getCRC( sal_Int32 nOffset, sal_Int32 nSize );
97 : :
98 : : void getSizeAndCRC( sal_Int32 nOffset, sal_Int32 nCompressedSize, sal_Int32 *nSize, sal_Int32 *nCRC );
99 : :
100 : : public:
101 : :
102 : : ZipFile( com::sun::star::uno::Reference < com::sun::star::io::XInputStream > &xInput,
103 : : const com::sun::star::uno::Reference < com::sun::star::lang::XMultiServiceFactory > &xNewFactory,
104 : : sal_Bool bInitialise
105 : : )
106 : : throw(::com::sun::star::io::IOException, com::sun::star::packages::zip::ZipException, com::sun::star::uno::RuntimeException);
107 : :
108 : : ZipFile( com::sun::star::uno::Reference < com::sun::star::io::XInputStream > &xInput,
109 : : const com::sun::star::uno::Reference < com::sun::star::lang::XMultiServiceFactory > &xNewFactory,
110 : : sal_Bool bInitialise,
111 : : sal_Bool bForceRecover,
112 : : ::com::sun::star::uno::Reference < ::com::sun::star::ucb::XProgressHandler > xProgress
113 : : )
114 : : throw(::com::sun::star::io::IOException, com::sun::star::packages::zip::ZipException, com::sun::star::uno::RuntimeException);
115 : :
116 : : ~ZipFile();
117 : :
118 : 59184 : EntryHash& GetEntryHash() { return aEntries; }
119 : :
120 : : void setInputStream ( com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xNewStream );
121 : : ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getRawData(
122 : : ZipEntry& rEntry,
123 : : const ::rtl::Reference < EncryptionData > &rData,
124 : : sal_Bool bDecrypt,
125 : : SotMutexHolderRef aMutexHolder )
126 : : throw(::com::sun::star::io::IOException, ::com::sun::star::packages::zip::ZipException, ::com::sun::star::uno::RuntimeException);
127 : :
128 : :
129 : : static ::com::sun::star::uno::Reference< ::com::sun::star::xml::crypto::XDigestContext > StaticGetDigestContextForChecksum(
130 : : const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& xArgFactory,
131 : : const ::rtl::Reference< EncryptionData >& xEncryptionData );
132 : :
133 : : static ::com::sun::star::uno::Reference< ::com::sun::star::xml::crypto::XCipherContext > StaticGetCipher(
134 : : const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& xArgFactory,
135 : : const ::rtl::Reference< EncryptionData >& xEncryptionData,
136 : : bool bEncrypt );
137 : :
138 : : static void StaticFillHeader ( const ::rtl::Reference < EncryptionData > & rData,
139 : : sal_Int32 nSize,
140 : : const ::rtl::OUString& aMediaType,
141 : : sal_Int8 * & pHeader );
142 : :
143 : : static sal_Bool StaticFillData ( ::rtl::Reference < BaseEncryptionData > & rData,
144 : : sal_Int32 &rEncAlgorithm,
145 : : sal_Int32 &rChecksumAlgorithm,
146 : : sal_Int32 &rDerivedKeySize,
147 : : sal_Int32 &rStartKeyGenID,
148 : : sal_Int32 &rSize,
149 : : ::rtl::OUString& aMediaType,
150 : : const ::com::sun::star::uno::Reference < com::sun::star::io::XInputStream >& rStream );
151 : :
152 : : static ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > StaticGetDataFromRawStream(
153 : : const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& xFactory,
154 : : const ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream >& xStream,
155 : : const ::rtl::Reference < EncryptionData > &rData )
156 : : throw ( ::com::sun::star::packages::WrongPasswordException,
157 : : ::com::sun::star::packages::zip::ZipIOException,
158 : : ::com::sun::star::uno::RuntimeException );
159 : :
160 : : static sal_Bool StaticHasValidPassword (
161 : : const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& xFactory,
162 : : const ::com::sun::star::uno::Sequence< sal_Int8 > &aReadBuffer,
163 : : const ::rtl::Reference < EncryptionData > &rData );
164 : :
165 : :
166 : : ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getInputStream(
167 : : ZipEntry& rEntry,
168 : : const ::rtl::Reference < EncryptionData > &rData,
169 : : sal_Bool bDecrypt,
170 : : SotMutexHolderRef aMutexHolder )
171 : : throw(::com::sun::star::io::IOException, ::com::sun::star::packages::zip::ZipException, ::com::sun::star::uno::RuntimeException);
172 : :
173 : : ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getDataStream(
174 : : ZipEntry& rEntry,
175 : : const ::rtl::Reference < EncryptionData > &rData,
176 : : sal_Bool bDecrypt,
177 : : SotMutexHolderRef aMutexHolder )
178 : : throw ( ::com::sun::star::packages::WrongPasswordException,
179 : : ::com::sun::star::io::IOException,
180 : : ::com::sun::star::packages::zip::ZipException,
181 : : ::com::sun::star::uno::RuntimeException );
182 : :
183 : : ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getWrappedRawStream(
184 : : ZipEntry& rEntry,
185 : : const ::rtl::Reference < EncryptionData > &rData,
186 : : const ::rtl::OUString& aMediaType,
187 : : SotMutexHolderRef aMutexHolder )
188 : : throw ( ::com::sun::star::packages::NoEncryptionException,
189 : : ::com::sun::star::io::IOException,
190 : : ::com::sun::star::packages::zip::ZipException,
191 : : ::com::sun::star::uno::RuntimeException );
192 : :
193 : : ZipEnumeration * SAL_CALL entries( );
194 : : protected:
195 : : sal_Bool readLOC ( ZipEntry &rEntry)
196 : : throw(::com::sun::star::io::IOException, com::sun::star::packages::zip::ZipException, com::sun::star::uno::RuntimeException);
197 : : sal_Int32 readCEN()
198 : : throw(::com::sun::star::io::IOException, com::sun::star::packages::zip::ZipException, com::sun::star::uno::RuntimeException);
199 : : sal_Int32 findEND()
200 : : throw(::com::sun::star::io::IOException, com::sun::star::packages::zip::ZipException, com::sun::star::uno::RuntimeException);
201 : : sal_Int32 recover()
202 : : throw(::com::sun::star::io::IOException, com::sun::star::packages::zip::ZipException, com::sun::star::uno::RuntimeException);
203 : :
204 : : };
205 : :
206 : : #endif
207 : :
208 : : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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