jvmfwk/source/fwkutil.cxx

   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 #if defined WNT
  22 #if defined _MSC_VER
  23 #pragma warning(push, 1)
  24 #endif
  25 #include <windows.h>
  26 #if defined _MSC_VER
  27 #pragma warning(pop)
  28 #endif
  29 #endif
  30
  31 #include <string>
  32 #include <string.h>
  33 #include "osl/mutex.hxx"
  34 #include "osl/module.hxx"
  35 #include "osl/thread.hxx"
  36 #include "rtl/ustring.hxx"
  37 #include "rtl/ustrbuf.hxx"
  38 #include "rtl/bootstrap.hxx"
  39 #include "osl/file.hxx"
  40 #include "osl/process.h"
  41 #include "rtl/instance.hxx"
  42 #include "rtl/uri.hxx"
  43 #include "osl/getglobalmutex.hxx"
  44 #include "com/sun/star/lang/IllegalArgumentException.hpp"
  45 #include "cppuhelper/bootstrap.hxx"
  46
  47 #include "framework.hxx"
  48 #include "fwkutil.hxx"
  49
  50 using namespace osl;
  51
  52
  53 namespace jfw
  54 {
  55
  56 bool isAccessibilitySupportDesired()
  57 {
  58     OUString sValue;
  59     if ((sal_True == ::rtl::Bootstrap::get(
  60         OUString("JFW_PLUGIN_DO_NOT_CHECK_ACCESSIBILITY"), sValue)) && sValue == "1"
  61         )
  62         return false;
  63
  64     bool retVal = false;
  65 #ifdef WNT
  66     HKEY    hKey = 0;
  67     if (RegOpenKeyEx(HKEY_CURRENT_USER,
  68                      "Software\\LibreOffice\\Accessibility\\AtToolSupport",
  69                      0, KEY_READ, &hKey) == ERROR_SUCCESS)
  70     {
  71         DWORD   dwType = 0;
  72         DWORD   dwLen = 16;
  73         unsigned char arData[16];
  74         if( RegQueryValueEx(hKey, "SupportAssistiveTechnology", NULL, &dwType, arData,
  75                             & dwLen)== ERROR_SUCCESS)
  76         {
  77             if (dwType == REG_SZ)
  78             {
  79                 if (strcmp((char*) arData, "true") == 0
  80                     || strcmp((char*) arData, "1") == 0)
  81                     retVal = true;
  82                 else if (strcmp((char*) arData, "false") == 0
  83                          || strcmp((char*) arData, "0") == 0)
  84                     retVal = false;
  85 #if OSL_DEBUG_LEVEL > 1
  86                 else
  87                     OSL_ASSERT(0);
  88 #endif
  89             }
  90             else if (dwType == REG_DWORD)
  91             {
  92                 if (arData[0] == 1)
  93                     retVal = true;
  94                 else if (arData[0] == 0)
  95                     retVal = false;
  96 #if OSL_DEBUG_LEVEL > 1
  97                 else
  98                     OSL_ASSERT(0);
  99 #endif
 100             }
 101         }
 102     }
 103     RegCloseKey(hKey);
 104
 105 #elif defined UNX
 106     char buf[16];
 107     // use 2 shells to suppress the eventual "gcontool-2 not found" message
 108     // of the shell trying to execute the command
 109     FILE* fp = popen( "/bin/sh 2>/dev/null -c \"gconftool-2 -g /desktop/gnome/interface/accessibility\"", "r" );
 110     if( fp )
 111     {
 112         if( fgets( buf, sizeof(buf), fp ) )
 113         {
 114             int nCompare = strncasecmp( buf, "true", 4 );
 115             retVal = (nCompare == 0 ? true : false);
 116         }
 117         pclose( fp );
 118     }
 119 #endif
 120     return retVal;
 121 }
 122
 123
 124 rtl::ByteSequence encodeBase16(const rtl::ByteSequence& rawData)
 125 {
 126     static char EncodingTable[] =
 127         {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
 128     sal_Int32 lenRaw = rawData.getLength();
 129     char* pBuf = new char[lenRaw * 2];
 130     const sal_Int8* arRaw = rawData.getConstArray();
 131
 132     char* pCurBuf = pBuf;
 133     for (int i = 0; i < lenRaw; i++)
 134     {
 135         unsigned char curChar = arRaw[i];
 136         curChar >>= 4;
 137
 138         *pCurBuf = EncodingTable[curChar];
 139         pCurBuf++;
 140
 141         curChar = arRaw[i];
 142         curChar &= 0x0F;
 143
 144         *pCurBuf = EncodingTable[curChar];
 145         pCurBuf++;
 146     }
 147
 148     rtl::ByteSequence ret((sal_Int8*) pBuf, lenRaw * 2);
 149     delete [] pBuf;
 150     return ret;
 151 }
 152
 153 rtl::ByteSequence decodeBase16(const rtl::ByteSequence& data)
 154 {
 155     static char decodingTable[] =
 156         {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
 157     sal_Int32 lenData = data.getLength();
 158     sal_Int32 lenBuf = lenData / 2; //always divisable by two
 159     unsigned char* pBuf = new unsigned char[lenBuf];
 160     const sal_Int8* pData = data.getConstArray();
 161     for (sal_Int32 i = 0; i < lenBuf; i++)
 162     {
 163         sal_Int8 curChar = *pData++;
 164         //find the index of the first 4bits
 165         //  TODO  What happens if text is not valid Hex characters?
 166         unsigned char nibble = 0;
 167         for (unsigned char j = 0; j < 16; j++)
 168         {
 169             if (curChar == decodingTable[j])
 170             {
 171                 nibble = j;
 172                 break;
 173             }
 174         }
 175         nibble <<= 4;
 176         curChar = *pData++;
 177         //find the index for the next 4bits
 178         for (unsigned char j = 0; j < 16; j++)
 179         {
 180             if (curChar == decodingTable[j])
 181             {
 182                 nibble |= j;
 183                 break;
 184             }
 185         }
 186         pBuf[i] = nibble;
 187     }
 188     rtl::ByteSequence ret((sal_Int8*) pBuf, lenBuf );
 189     delete [] pBuf;
 190     return ret;
 191 }
 192
 193 OUString getDirFromFile(const OUString& usFilePath)
 194 {
 195     sal_Int32 index= usFilePath.lastIndexOf('/');
 196     return OUString(usFilePath.getStr(), index);
 197 }
 198
 199 OUString getExecutableDirectory()
 200 {
 201     rtl_uString* sExe = NULL;
 202     if (osl_getExecutableFile( & sExe) != osl_Process_E_None)
 203         throw FrameworkException(
 204             JFW_E_ERROR,
 205             "[Java framework] Error in function getExecutableDirectory (fwkutil.cxx)");
 206
 207     OUString ouExe(sExe, SAL_NO_ACQUIRE);
 208     return getDirFromFile(ouExe);
 209 }
 210
 211 OUString findPlugin(
 212     const OUString & baseUrl, const OUString & plugin)
 213 {
 214     OUString expandedPlugin;
 215     try
 216     {
 217         expandedPlugin = cppu::bootstrap_expandUri(plugin);
 218     }
 219     catch (const com::sun::star::lang::IllegalArgumentException & e)
 220     {
 221         throw FrameworkException(
 222             JFW_E_ERROR,
 223             (OString(
 224                 RTL_CONSTASCII_STRINGPARAM(
 225                     "[Java framework] IllegalArgumentException in"
 226                     " findPlugin: "))
 227              + OUStringToOString(e.Message, osl_getThreadTextEncoding())));
 228     }
 229     OUString sUrl;
 230     try
 231     {
 232         sUrl = rtl::Uri::convertRelToAbs(baseUrl, expandedPlugin);
 233     }
 234     catch (const rtl::MalformedUriException & e)
 235     {
 236         throw FrameworkException(
 237             JFW_E_ERROR,
 238             (OString(
 239                 RTL_CONSTASCII_STRINGPARAM(
 240                     "[Java framework] rtl::MalformedUriException in"
 241                     " findPlugin: "))
 242              + OUStringToOString(
 243                  e.getMessage(), osl_getThreadTextEncoding())));
 244     }
 245     if (checkFileURL(sUrl) == jfw::FILE_OK)
 246     {
 247         return sUrl;
 248     }
 249     OUString retVal;
 250     OUString sProgDir = getExecutableDirectory();
 251     sUrl = sProgDir + OUString("/")
 252         + plugin;
 253     jfw::FileStatus s = checkFileURL(sUrl);
 254     if (s == jfw::FILE_INVALID || s == jfw::FILE_DOES_NOT_EXIST)
 255     {
 256         //If only the name of the library is given, then
 257         //use PATH, LD_LIBRARY_PATH etc. to locate the plugin
 258         if (plugin.indexOf('/') == -1)
 259         {
 260             OUString url;
 261 #ifdef UNX
 262 #if defined(MACOSX)
 263             OUString path = OUString("DYLD_LIBRARY_PATH");
 264 #elif defined(AIX)
 265             OUString path = OUString("LIBPATH");
 266 #else
 267             OUString path = OUString("LD_LIBRARY_PATH");
 268 #endif
 269             OUString env_path;
 270             oslProcessError err = osl_getEnvironment(path.pData, &env_path.pData);
 271             if (err != osl_Process_E_None && err != osl_Process_E_NotFound)
 272                 throw FrameworkException(
 273                     JFW_E_ERROR,
 274                     "[Java framework] Error in function findPlugin (fwkutil.cxx).");
 275             if (err == osl_Process_E_NotFound)
 276                 return retVal;
 277             if (osl_searchFileURL(plugin.pData, env_path.pData, &url.pData)
 278                                 == osl_File_E_None)
 279 #else
 280             if (osl_searchFileURL(plugin.pData, NULL, &url.pData)
 281                 == osl_File_E_None)
 282 #endif
 283                 retVal = url;
 284             else
 285                 throw FrameworkException(
 286                     JFW_E_ERROR,
 287                     "[Java framework] Error in function findPlugin (fwkutil.cxx).");
 288         }
 289     }
 290     else
 291     {
 292         retVal = sUrl;
 293     }
 294     return retVal;
 295 }
 296
 297 OUString getLibraryLocation()
 298 {
 299     OString sExcMsg("[Java framework] Error in function getLibraryLocation "
 300                          "(fwkutil.cxx).");
 301     OUString libraryFileUrl;
 302
 303     if (!osl::Module::getUrlFromAddress(
 304             reinterpret_cast< oslGenericFunction >(getLibraryLocation),
 305             libraryFileUrl))
 306         throw FrameworkException(JFW_E_ERROR, sExcMsg);
 307
 308     return getDirFromFile(libraryFileUrl);
 309 }
 310
 311 jfw::FileStatus checkFileURL(const OUString & sURL)
 312 {
 313     jfw::FileStatus ret = jfw::FILE_OK;
 314     DirectoryItem item;
 315     File::RC rc_item = DirectoryItem::get(sURL, item);
 316     if (File::E_None == rc_item)
 317     {
 318         osl::FileStatus status(osl_FileStatus_Mask_Validate);
 319
 320         File::RC rc_stat = item.getFileStatus(status);
 321         if (File::E_None == rc_stat)
 322         {
 323             ret = FILE_OK;
 324         }
 325         else if (File::E_NOENT == rc_stat)
 326         {
 327             ret = FILE_DOES_NOT_EXIST;
 328         }
 329         else
 330         {
 331             ret = FILE_INVALID;
 332         }
 333     }
 334     else if (File::E_NOENT == rc_item)
 335     {
 336         ret = FILE_DOES_NOT_EXIST;
 337     }
 338     else
 339     {
 340         ret = FILE_INVALID;
 341     }
 342     return ret;
 343 }
 344
 345 }
 346
 347 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */