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 // ---------------------------------------------------------------------- 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 // ---------------------------------------------------------------------- 77 LockFileCommon::~LockFileCommon() 78 { 79 } 80 81 // ---------------------------------------------------------------------- 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 // ---------------------------------------------------------------------- 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 // ---------------------------------------------------------------------- 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 // ---------------------------------------------------------------------- 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 // ---------------------------------------------------------------------- 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 // ---------------------------------------------------------------------- 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 // ---------------------------------------------------------------------- 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 // ---------------------------------------------------------------------- 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