1 /**************************************************************
2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 *
20 *************************************************************/
21
22
23
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_svl.hxx"
26
27 #include <stdio.h>
28
29 #include <com/sun/star/ucb/XSimpleFileAccess.hpp>
30 #include <com/sun/star/ucb/XCommandEnvironment.hpp>
31 #include <com/sun/star/ucb/InsertCommandArgument.hpp>
32 #include <com/sun/star/ucb/NameClashException.hpp>
33 #include <com/sun/star/io/WrongFormatException.hpp>
34
35 #include <osl/time.h>
36 #include <osl/security.hxx>
37 #include <osl/socket.hxx>
38 #include <osl/file.hxx>
39
40 #include <rtl/string.hxx>
41 #include <rtl/ustring.hxx>
42 #include <rtl/strbuf.hxx>
43 #include <rtl/ustrbuf.hxx>
44
45 #include <comphelper/processfactory.hxx>
46
47 #include <tools/urlobj.hxx>
48 #include <unotools/bootstrap.hxx>
49
50 #include <ucbhelper/content.hxx>
51
52 #include <unotools/useroptions.hxx>
53
54 #include <svl/lockfilecommon.hxx>
55
56 using namespace ::com::sun::star;
57
58 namespace svt {
59
60 // ----------------------------------------------------------------------
LockFileCommon(const::rtl::OUString & aOrigURL,const uno::Reference<lang::XMultiServiceFactory> & xFactory,const::rtl::OUString & aPrefix)61 LockFileCommon::LockFileCommon( const ::rtl::OUString& aOrigURL, const uno::Reference< lang::XMultiServiceFactory >& xFactory, const ::rtl::OUString& aPrefix )
62 : m_xFactory( xFactory )
63 {
64 if ( !m_xFactory.is() )
65 m_xFactory = ::comphelper::getProcessServiceFactory();
66
67 INetURLObject aDocURL = ResolveLinks( INetURLObject( aOrigURL ) );
68
69 ::rtl::OUString aShareURLString = aDocURL.GetPartBeforeLastName();
70 aShareURLString += aPrefix;
71 aShareURLString += aDocURL.GetName();
72 aShareURLString += ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "#" ) );
73 m_aURL = INetURLObject( aShareURLString ).GetMainURL( INetURLObject::NO_DECODE );
74 }
75
76 // ----------------------------------------------------------------------
~LockFileCommon()77 LockFileCommon::~LockFileCommon()
78 {
79 }
80
81 // ----------------------------------------------------------------------
ResolveLinks(const INetURLObject & aDocURL)82 INetURLObject LockFileCommon::ResolveLinks( const INetURLObject& aDocURL )
83 {
84 if ( aDocURL.HasError() )
85 throw lang::IllegalArgumentException();
86
87 ::rtl::OUString aURLToCheck = aDocURL.GetMainURL( INetURLObject::NO_DECODE );
88
89 sal_Bool bNeedsChecking = sal_True;
90 sal_Int32 nMaxLinkCount = 128;
91 sal_Int32 nCount = 0;
92
93 while( bNeedsChecking )
94 {
95 bNeedsChecking = sal_False;
96
97 // do not allow too deep links
98 if ( nCount++ >= nMaxLinkCount )
99 throw io::IOException();
100
101 // there is currently no UCB functionality to resolve the symbolic links;
102 // since the lock files are used only for local file systems the osl functionality is used directly
103
104 ::osl::FileStatus aStatus( FileStatusMask_Type | FileStatusMask_LinkTargetURL );
105 ::osl::DirectoryItem aItem;
106 if ( ::osl::FileBase::E_None == ::osl::DirectoryItem::get( aURLToCheck, aItem )
107 && aItem.is() && ::osl::FileBase::E_None == aItem.getFileStatus( aStatus ) )
108 {
109 if ( aStatus.isValid( FileStatusMask_Type )
110 && aStatus.isValid( FileStatusMask_LinkTargetURL )
111 && aStatus.getFileType() == ::osl::FileStatus::Link )
112 {
113 aURLToCheck = aStatus.getLinkTargetURL();
114 bNeedsChecking = sal_True;
115 }
116 }
117 }
118
119 return INetURLObject( aURLToCheck );
120 }
121
122 // ----------------------------------------------------------------------
ParseList(const uno::Sequence<sal_Int8> & aBuffer)123 uno::Sequence< uno::Sequence< ::rtl::OUString > > LockFileCommon::ParseList( const uno::Sequence< sal_Int8 >& aBuffer )
124 {
125 sal_Int32 nCurPos = 0;
126 sal_Int32 nCurEntry = 0;
127 uno::Sequence< uno::Sequence< ::rtl::OUString > > aResult( 10 );
128
129 while ( nCurPos < aBuffer.getLength() )
130 {
131 if ( nCurEntry >= aResult.getLength() )
132 aResult.realloc( nCurEntry + 10 );
133 aResult[nCurEntry] = ParseEntry( aBuffer, nCurPos );
134 nCurEntry++;
135 }
136
137 aResult.realloc( nCurEntry );
138 return aResult;
139 }
140
141 // ----------------------------------------------------------------------
ParseEntry(const uno::Sequence<sal_Int8> & aBuffer,sal_Int32 & io_nCurPos)142 uno::Sequence< ::rtl::OUString > LockFileCommon::ParseEntry( const uno::Sequence< sal_Int8 >& aBuffer, sal_Int32& io_nCurPos )
143 {
144 uno::Sequence< ::rtl::OUString > aResult( LOCKFILE_ENTRYSIZE );
145
146 for ( int nInd = 0; nInd < LOCKFILE_ENTRYSIZE; nInd++ )
147 {
148 aResult[nInd] = ParseName( aBuffer, io_nCurPos );
149 if ( io_nCurPos >= aBuffer.getLength()
150 || ( nInd < LOCKFILE_ENTRYSIZE - 1 && aBuffer[io_nCurPos++] != ',' )
151 || ( nInd == LOCKFILE_ENTRYSIZE - 1 && aBuffer[io_nCurPos++] != ';' ) )
152 throw io::WrongFormatException();
153 }
154
155 return aResult;
156 }
157
158 // ----------------------------------------------------------------------
ParseName(const uno::Sequence<sal_Int8> & aBuffer,sal_Int32 & io_nCurPos)159 ::rtl::OUString LockFileCommon::ParseName( const uno::Sequence< sal_Int8 >& aBuffer, sal_Int32& io_nCurPos )
160 {
161 ::rtl::OStringBuffer aResult;
162 sal_Bool bHaveName = sal_False;
163 sal_Bool bEscape = sal_False;
164
165 while( !bHaveName )
166 {
167 if ( io_nCurPos >= aBuffer.getLength() )
168 throw io::WrongFormatException();
169
170 if ( bEscape )
171 {
172 if ( aBuffer[io_nCurPos] == ',' || aBuffer[io_nCurPos] == ';' || aBuffer[io_nCurPos] == '\\' )
173 aResult.append( (sal_Char)aBuffer[io_nCurPos] );
174 else
175 throw io::WrongFormatException();
176
177 bEscape = sal_False;
178 io_nCurPos++;
179 }
180 else if ( aBuffer[io_nCurPos] == ',' || aBuffer[io_nCurPos] == ';' )
181 bHaveName = sal_True;
182 else
183 {
184 if ( aBuffer[io_nCurPos] == '\\' )
185 bEscape = sal_True;
186 else
187 aResult.append( (sal_Char)aBuffer[io_nCurPos] );
188
189 io_nCurPos++;
190 }
191 }
192
193 return ::rtl::OStringToOUString( aResult.makeStringAndClear(), RTL_TEXTENCODING_UTF8 );
194 }
195
196 // ----------------------------------------------------------------------
EscapeCharacters(const::rtl::OUString & aSource)197 ::rtl::OUString LockFileCommon::EscapeCharacters( const ::rtl::OUString& aSource )
198 {
199 ::rtl::OUStringBuffer aBuffer;
200 const sal_Unicode* pStr = aSource.getStr();
201 for ( sal_Int32 nInd = 0; nInd < aSource.getLength() && pStr[nInd] != 0; nInd++ )
202 {
203 if ( pStr[nInd] == '\\' || pStr[nInd] == ';' || pStr[nInd] == ',' )
204 aBuffer.append( (sal_Unicode)'\\' );
205 aBuffer.append( pStr[nInd] );
206 }
207
208 return aBuffer.makeStringAndClear();
209 }
210
211 // ----------------------------------------------------------------------
GetOOOUserName()212 ::rtl::OUString LockFileCommon::GetOOOUserName()
213 {
214 SvtUserOptions aUserOpt;
215 ::rtl::OUString aName = aUserOpt.GetFirstName();
216 if ( aName.getLength() )
217 aName += ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( " " ) );
218 aName += aUserOpt.GetLastName();
219
220 return aName;
221 }
222
223 // ----------------------------------------------------------------------
GetCurrentLocalTime()224 ::rtl::OUString LockFileCommon::GetCurrentLocalTime()
225 {
226 ::rtl::OUString aTime;
227
228 TimeValue aSysTime;
229 if ( osl_getSystemTime( &aSysTime ) )
230 {
231 TimeValue aLocTime;
232 if ( osl_getLocalTimeFromSystemTime( &aSysTime, &aLocTime ) )
233 {
234 oslDateTime aDateTime;
235 if ( osl_getDateTimeFromTimeValue( &aLocTime, &aDateTime ) )
236 {
237 char pDateTime[20];
238 sprintf( pDateTime, "%02d.%02d.%4d %02d:%02d", aDateTime.Day, aDateTime.Month, aDateTime.Year, aDateTime.Hours, aDateTime.Minutes );
239 aTime = ::rtl::OUString::createFromAscii( pDateTime );
240 }
241 }
242 }
243
244 return aTime;
245 }
246
247 // ----------------------------------------------------------------------
GenerateOwnEntry()248 uno::Sequence< ::rtl::OUString > LockFileCommon::GenerateOwnEntry()
249 {
250 uno::Sequence< ::rtl::OUString > aResult( LOCKFILE_ENTRYSIZE );
251
252 aResult[LOCKFILE_OOOUSERNAME_ID] = GetOOOUserName();
253
254 ::osl::Security aSecurity;
255 aSecurity.getUserName( aResult[LOCKFILE_SYSUSERNAME_ID] );
256
257 aResult[LOCKFILE_LOCALHOST_ID] = ::osl::SocketAddr::getLocalHostname();
258
259 aResult[LOCKFILE_EDITTIME_ID] = GetCurrentLocalTime();
260
261 ::utl::Bootstrap::locateUserInstallation( aResult[LOCKFILE_USERURL_ID] );
262
263
264 return aResult;
265 }
266
267 } // namespace svt
268
269