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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 :
20 :
21 : #include <stdio.h>
22 :
23 : #include <com/sun/star/ucb/XSimpleFileAccess.hpp>
24 : #include <com/sun/star/ucb/XCommandEnvironment.hpp>
25 : #include <com/sun/star/ucb/InsertCommandArgument.hpp>
26 : #include <com/sun/star/ucb/NameClashException.hpp>
27 : #include <com/sun/star/io/WrongFormatException.hpp>
28 :
29 : #include <osl/time.h>
30 : #include <osl/security.hxx>
31 : #include <osl/socket.hxx>
32 : #include <osl/file.hxx>
33 :
34 : #include <rtl/string.hxx>
35 : #include <rtl/ustring.hxx>
36 : #include <rtl/strbuf.hxx>
37 : #include <rtl/ustrbuf.hxx>
38 :
39 : #include <comphelper/processfactory.hxx>
40 :
41 : #include <tools/urlobj.hxx>
42 : #include <unotools/bootstrap.hxx>
43 :
44 : #include <ucbhelper/content.hxx>
45 :
46 : #include <unotools/useroptions.hxx>
47 :
48 : #include <salhelper/linkhelper.hxx>
49 :
50 : #include <svl/lockfilecommon.hxx>
51 :
52 : using namespace ::com::sun::star;
53 :
54 : namespace svt {
55 :
56 : // ----------------------------------------------------------------------
57 12 : LockFileCommon::LockFileCommon( const ::rtl::OUString& aOrigURL, const uno::Reference< lang::XMultiServiceFactory >& xFactory, const ::rtl::OUString& aPrefix )
58 12 : : m_xFactory( xFactory )
59 : {
60 12 : if ( !m_xFactory.is() )
61 12 : m_xFactory = ::comphelper::getProcessServiceFactory();
62 :
63 12 : INetURLObject aDocURL = ResolveLinks( INetURLObject( aOrigURL ) );
64 :
65 12 : ::rtl::OUString aShareURLString = aDocURL.GetPartBeforeLastName();
66 12 : aShareURLString += aPrefix;
67 12 : aShareURLString += aDocURL.GetName();
68 12 : aShareURLString += "%23"; // '#'
69 12 : m_aURL = INetURLObject( aShareURLString ).GetMainURL( INetURLObject::NO_DECODE );
70 12 : }
71 :
72 : // ----------------------------------------------------------------------
73 12 : LockFileCommon::~LockFileCommon()
74 : {
75 12 : }
76 :
77 : // ----------------------------------------------------------------------
78 12 : INetURLObject LockFileCommon::ResolveLinks( const INetURLObject& aDocURL )
79 : {
80 12 : if ( aDocURL.HasError() )
81 0 : throw lang::IllegalArgumentException();
82 :
83 12 : ::rtl::OUString aURLToCheck = aDocURL.GetMainURL(INetURLObject::NO_DECODE);
84 :
85 : // there is currently no UCB functionality to resolve the symbolic links;
86 : // since the lock files are used only for local file systems the osl
87 : // functionality is used directly
88 12 : salhelper::LinkResolver aResolver(osl_FileStatus_Mask_FileName);
89 12 : osl::FileBase::RC eStatus = aResolver.fetchFileStatus(aURLToCheck);
90 12 : if (eStatus == osl::FileBase::E_None)
91 12 : aURLToCheck = aResolver.m_aStatus.getFileURL();
92 0 : else if (eStatus == osl::FileBase::E_MULTIHOP)
93 : {
94 : // do not allow too deep links
95 0 : throw io::IOException();
96 : }
97 :
98 12 : return INetURLObject( aURLToCheck );
99 : }
100 :
101 : // ----------------------------------------------------------------------
102 0 : uno::Sequence< uno::Sequence< ::rtl::OUString > > LockFileCommon::ParseList( const uno::Sequence< sal_Int8 >& aBuffer )
103 : {
104 0 : sal_Int32 nCurPos = 0;
105 0 : sal_Int32 nCurEntry = 0;
106 0 : uno::Sequence< uno::Sequence< ::rtl::OUString > > aResult( 10 );
107 :
108 0 : while ( nCurPos < aBuffer.getLength() )
109 : {
110 0 : if ( nCurEntry >= aResult.getLength() )
111 0 : aResult.realloc( nCurEntry + 10 );
112 0 : aResult[nCurEntry] = ParseEntry( aBuffer, nCurPos );
113 0 : nCurEntry++;
114 : }
115 :
116 0 : aResult.realloc( nCurEntry );
117 0 : return aResult;
118 : }
119 :
120 : // ----------------------------------------------------------------------
121 5 : uno::Sequence< ::rtl::OUString > LockFileCommon::ParseEntry( const uno::Sequence< sal_Int8 >& aBuffer, sal_Int32& io_nCurPos )
122 : {
123 5 : uno::Sequence< ::rtl::OUString > aResult( LOCKFILE_ENTRYSIZE );
124 :
125 30 : for ( int nInd = 0; nInd < LOCKFILE_ENTRYSIZE; nInd++ )
126 : {
127 25 : aResult[nInd] = ParseName( aBuffer, io_nCurPos );
128 50 : if ( io_nCurPos >= aBuffer.getLength()
129 20 : || ( nInd < LOCKFILE_ENTRYSIZE - 1 && aBuffer[io_nCurPos++] != ',' )
130 5 : || ( nInd == LOCKFILE_ENTRYSIZE - 1 && aBuffer[io_nCurPos++] != ';' ) )
131 0 : throw io::WrongFormatException();
132 : }
133 :
134 5 : return aResult;
135 : }
136 :
137 : // ----------------------------------------------------------------------
138 25 : ::rtl::OUString LockFileCommon::ParseName( const uno::Sequence< sal_Int8 >& aBuffer, sal_Int32& io_nCurPos )
139 : {
140 25 : ::rtl::OStringBuffer aResult;
141 25 : sal_Bool bHaveName = sal_False;
142 25 : sal_Bool bEscape = sal_False;
143 :
144 590 : while( !bHaveName )
145 : {
146 540 : if ( io_nCurPos >= aBuffer.getLength() )
147 0 : throw io::WrongFormatException();
148 :
149 540 : if ( bEscape )
150 : {
151 0 : if ( aBuffer[io_nCurPos] == ',' || aBuffer[io_nCurPos] == ';' || aBuffer[io_nCurPos] == '\\' )
152 0 : aResult.append( (sal_Char)aBuffer[io_nCurPos] );
153 : else
154 0 : throw io::WrongFormatException();
155 :
156 0 : bEscape = sal_False;
157 0 : io_nCurPos++;
158 : }
159 540 : else if ( aBuffer[io_nCurPos] == ',' || aBuffer[io_nCurPos] == ';' )
160 25 : bHaveName = sal_True;
161 : else
162 : {
163 515 : if ( aBuffer[io_nCurPos] == '\\' )
164 0 : bEscape = sal_True;
165 : else
166 515 : aResult.append( (sal_Char)aBuffer[io_nCurPos] );
167 :
168 515 : io_nCurPos++;
169 : }
170 : }
171 :
172 25 : return ::rtl::OStringToOUString( aResult.makeStringAndClear(), RTL_TEXTENCODING_UTF8 );
173 : }
174 :
175 : // ----------------------------------------------------------------------
176 25 : ::rtl::OUString LockFileCommon::EscapeCharacters( const ::rtl::OUString& aSource )
177 : {
178 25 : ::rtl::OUStringBuffer aBuffer;
179 25 : const sal_Unicode* pStr = aSource.getStr();
180 540 : for ( sal_Int32 nInd = 0; nInd < aSource.getLength() && pStr[nInd] != 0; nInd++ )
181 : {
182 515 : if ( pStr[nInd] == '\\' || pStr[nInd] == ';' || pStr[nInd] == ',' )
183 0 : aBuffer.append( (sal_Unicode)'\\' );
184 515 : aBuffer.append( pStr[nInd] );
185 : }
186 :
187 25 : return aBuffer.makeStringAndClear();
188 : }
189 :
190 : // ----------------------------------------------------------------------
191 12 : ::rtl::OUString LockFileCommon::GetOOOUserName()
192 : {
193 12 : SvtUserOptions aUserOpt;
194 12 : ::rtl::OUString aName = aUserOpt.GetFirstName();
195 12 : if ( !aName.isEmpty() )
196 0 : aName += " ";
197 12 : aName += aUserOpt.GetLastName();
198 :
199 12 : return aName;
200 : }
201 :
202 : // ----------------------------------------------------------------------
203 12 : ::rtl::OUString LockFileCommon::GetCurrentLocalTime()
204 : {
205 12 : ::rtl::OUString aTime;
206 :
207 : TimeValue aSysTime;
208 12 : if ( osl_getSystemTime( &aSysTime ) )
209 : {
210 : TimeValue aLocTime;
211 12 : if ( osl_getLocalTimeFromSystemTime( &aSysTime, &aLocTime ) )
212 : {
213 : oslDateTime aDateTime;
214 12 : if ( osl_getDateTimeFromTimeValue( &aLocTime, &aDateTime ) )
215 : {
216 : char pDateTime[20];
217 12 : sprintf( pDateTime, "%02d.%02d.%4d %02d:%02d", aDateTime.Day, aDateTime.Month, aDateTime.Year, aDateTime.Hours, aDateTime.Minutes );
218 12 : aTime = ::rtl::OUString::createFromAscii( pDateTime );
219 : }
220 : }
221 : }
222 :
223 12 : return aTime;
224 : }
225 :
226 : // ----------------------------------------------------------------------
227 12 : uno::Sequence< ::rtl::OUString > LockFileCommon::GenerateOwnEntry()
228 : {
229 12 : uno::Sequence< ::rtl::OUString > aResult( LOCKFILE_ENTRYSIZE );
230 :
231 12 : aResult[LOCKFILE_OOOUSERNAME_ID] = GetOOOUserName();
232 :
233 12 : ::osl::Security aSecurity;
234 12 : aSecurity.getUserName( aResult[LOCKFILE_SYSUSERNAME_ID] );
235 :
236 12 : aResult[LOCKFILE_LOCALHOST_ID] = ::osl::SocketAddr::getLocalHostname();
237 :
238 12 : aResult[LOCKFILE_EDITTIME_ID] = GetCurrentLocalTime();
239 :
240 12 : ::utl::Bootstrap::locateUserInstallation( aResult[LOCKFILE_USERURL_ID] );
241 :
242 :
243 12 : return aResult;
244 : }
245 :
246 : } // namespace svt
247 :
248 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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