cppuhelper/source/bootstrap.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 #include <sal/config.h>
  21
  22 #include <cstring>
  23
  24 #include <rtl/process.h>
  25 #include <rtl/bootstrap.hxx>
  26 #include <rtl/random.h>
  27 #include <rtl/string.hxx>
  28 #include <rtl/ustrbuf.hxx>
  29 #include <rtl/uri.hxx>
  30 #include <osl/diagnose.h>
  31 #include <osl/file.hxx>
  32 #include <osl/security.hxx>
  33 #include <osl/thread.hxx>
  34
  35 #include <cppuhelper/bootstrap.hxx>
  36 #include <cppuhelper/findsofficepath.h>
  37
  38 #include <com/sun/star/uno/XComponentContext.hpp>
  39
  40 #include <com/sun/star/bridge/UnoUrlResolver.hpp>
  41 #include <com/sun/star/bridge/XUnoUrlResolver.hpp>
  42
  43 #include "macro_expander.hxx"
  44
  45 #define ARLEN(x) sizeof (x) / sizeof *(x)
  46
  47 using namespace ::osl;
  48 using namespace ::com::sun::star;
  49 using namespace ::com::sun::star::uno;
  50
  51 using rtl::Bootstrap;
  52 using rtl::OUString;
  53
  54 namespace cppu
  55 {
  56
  57 BootstrapException::BootstrapException()
  58 {
  59 }
  60
  61 BootstrapException::BootstrapException( const ::rtl::OUString & rMessage )
  62     :m_aMessage( rMessage )
  63 {
  64 }
  65
  66 BootstrapException::BootstrapException( const BootstrapException & e )
  67 {
  68     m_aMessage = e.m_aMessage;
  69 }
  70
  71 BootstrapException::~BootstrapException()
  72 {
  73 }
  74
  75 BootstrapException & BootstrapException::operator=( const BootstrapException & e )
  76 {
  77     m_aMessage = e.m_aMessage;
  78     return *this;
  79 }
  80
  81 const ::rtl::OUString & BootstrapException::getMessage() const
  82 {
  83     return m_aMessage;
  84 }
  85
  86 Reference< XComponentContext > SAL_CALL bootstrap()
  87 {
  88     Reference< XComponentContext > xRemoteContext;
  89
  90     try
  91     {
  92         char const * p1 = cppuhelper_detail_findSofficePath();
  93         if (p1 == NULL) {
  94             throw BootstrapException(
  95                 "no soffice installation found!");
  96         }
  97         rtl::OUString p2;
  98         if (!rtl_convertStringToUString(
  99                 &p2.pData, p1, std::strlen(p1), osl_getThreadTextEncoding(),
 100                 (RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_ERROR |
 101                  RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_ERROR |
 102                  RTL_TEXTTOUNICODE_FLAGS_INVALID_ERROR)))
 103         {
 104             throw BootstrapException(
 105                 "bad characters in soffice installation path!");
 106         }
 107         OUString path;
 108         if (osl::FileBase::getFileURLFromSystemPath(p2, path) !=
 109             osl::FileBase::E_None)
 110         {
 111             throw BootstrapException(
 112                 "cannot convert soffice installation path to URL!");
 113         }
 114         if (!path.isEmpty() && !path.endsWith("/")) {
 115             path += "/";
 116         }
 117
 118         OUString uri;
 119         if (!Bootstrap::get("URE_BOOTSTRAP", uri)) {
 120             Bootstrap::set(
 121                 "URE_BOOTSTRAP",
 122                 Bootstrap::encode(
 123                     path +
 124 #if defined MACOSX
 125                     "../Resources/"
 126 #endif
 127                     SAL_CONFIGFILE("fundamental")));
 128         }
 129
 130         // create default local component context
 131         Reference< XComponentContext > xLocalContext(
 132             defaultBootstrap_InitialComponentContext() );
 133         if ( !xLocalContext.is() )
 134             throw BootstrapException( "no local component context!" );
 135
 136         // create a random pipe name
 137         rtlRandomPool hPool = rtl_random_createPool();
 138         if ( hPool == 0 )
 139             throw BootstrapException( "cannot create random pool!" );
 140         sal_uInt8 bytes[ 16 ];
 141         if ( rtl_random_getBytes( hPool, bytes, ARLEN( bytes ) )
 142             != rtl_Random_E_None )
 143             throw BootstrapException( "random pool error!" );
 144         rtl_random_destroyPool( hPool );
 145         ::rtl::OUStringBuffer buf("uno");
 146         for ( sal_uInt32 i = 0; i < ARLEN( bytes ); ++i )
 147             buf.append( static_cast< sal_Int32 >( bytes[ i ] ) );
 148         OUString sPipeName( buf.makeStringAndClear() );
 149
 150         // arguments
 151         OUString args [] = {
 152             OUString("--nologo"),
 153             OUString("--nodefault"),
 154             OUString("--norestore"),
 155             OUString("--nolockcheck"),
 156             OUString("--accept=pipe,name=" + sPipeName + ";urp;")
 157         };
 158         rtl_uString * ar_args [] = {
 159             args[ 0 ].pData,
 160             args[ 1 ].pData,
 161             args[ 2 ].pData,
 162             args[ 3 ].pData,
 163             args[ 4 ].pData
 164         };
 165         ::osl::Security sec;
 166
 167         // start office process
 168         oslProcess hProcess = 0;
 169         oslProcessError rc = osl_executeProcess(
 170             OUString(path + "soffice").pData, ar_args, ARLEN( ar_args ),
 171             osl_Process_DETACHED,
 172             sec.getHandle(),
 173             0, // => current working dir
 174             0, 0, // => no env vars
 175             &hProcess );
 176         switch ( rc )
 177         {
 178             case osl_Process_E_None:
 179                 osl_freeProcessHandle( hProcess );
 180                 break;
 181             case osl_Process_E_NotFound:
 182                 throw BootstrapException( "image not found!" );
 183             case osl_Process_E_TimedOut:
 184                 throw BootstrapException( "timeout occurred!" );
 185             case osl_Process_E_NoPermission:
 186                 throw BootstrapException( "permission denied!" );
 187             case osl_Process_E_Unknown:
 188                 throw BootstrapException( "unknown error!" );
 189             case osl_Process_E_InvalidError:
 190             default:
 191                 throw BootstrapException( "unmapped error!" );
 192         }
 193
 194         // create a URL resolver
 195         Reference< bridge::XUnoUrlResolver > xUrlResolver(
 196             bridge::UnoUrlResolver::create( xLocalContext ) );
 197
 198         // connection string
 199         OUString sConnectString( "uno:pipe,name=" + sPipeName + ";urp;StarOffice.ComponentContext" );
 200
 201         // wait until office is started
 202         for ( ; ; )
 203         {
 204             try
 205             {
 206                 // try to connect to office
 207                 xRemoteContext.set(
 208                     xUrlResolver->resolve( sConnectString ), UNO_QUERY_THROW );
 209                 break;
 210             }
 211             catch ( connection::NoConnectException & )
 212             {
 213                 // wait 500 ms, then try to connect again
 214                 TimeValue tv = { 0 /* secs */, 500000000 /* nanosecs */ };
 215                 ::osl::Thread::wait( tv );
 216             }
 217         }
 218     }
 219     catch ( Exception & e )
 220     {
 221         throw BootstrapException(
 222             "unexpected UNO exception caught: " + e.Message );
 223     }
 224
 225     return xRemoteContext;
 226 }
 227
 228 OUString bootstrap_expandUri(OUString const & uri) {
 229     OUString rest;
 230     return uri.startsWith("vnd.sun.star.expand:", &rest)
 231         ? cppuhelper::detail::expandMacros(
 232             rtl::Uri::decode(
 233                 rest, rtl_UriDecodeWithCharset, RTL_TEXTENCODING_UTF8))
 234         : uri;
 235 }
 236
 237 } // namespace cppu
 238
 239 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */