sdext/source/pdfimport/xpdfwrapper/wrapper_gpl.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 "pdfioutdev_gpl.hxx"
  21 #ifdef _WIN32
  22 # include <io.h>
  23 # include <fcntl.h>  /*_O_BINARY*/
  24 #endif
  25
  26 FILE* g_binary_out=stderr;
  27
  28 static const char *ownerPassword = "\001";
  29 static const char *userPassword  = "\001";
  30 static const char *outputFile    = "\001";
  31 static const char *options       = "\001";
  32
  33 int main(int argc, char **argv)
  34 {
  35     int k = 0;
  36     while (k < argc)
  37     {
  38         if (!strcmp(argv[k], "-f"))
  39         {
  40             outputFile = argv[k+1];
  41             argc -= 2;
  42             for (int j = k; j < argc; ++j)
  43                 argv[j] = argv[j+2];
  44         }
  45         else if (!strcmp(argv[k], "-o"))
  46         {
  47             options = argv[k+1];
  48             argc -= 2;
  49             for (int j = k; j < argc; ++j)
  50                 argv[j] = argv[j+2];
  51         }
  52
  53         else if (!strcmp(argv[k], "-opw"))
  54         {
  55             ownerPassword = argv[k+1];
  56             argc -= 2;
  57             for (int j = k; j < argc; ++j)
  58                 argv[j] = argv[j+2];
  59         }
  60         else if (!strcmp(argv[k], "-upw"))
  61         {
  62             userPassword = argv[k+1];
  63             argc -= 2;
  64             for (int j = k; j < argc; ++j)
  65                 argv[j] = argv[j+2];
  66         }
  67         ++k;
  68     }
  69
  70     // read config file
  71 #if POPPLER_CHECK_VERSION(0, 83, 0)
  72     globalParams = std::make_unique<GlobalParams>();
  73 #else
  74     globalParams = new GlobalParams();
  75 #endif
  76     globalParams->setErrQuiet(true);
  77 #if defined(_MSC_VER)
  78     globalParams->setupBaseFonts(nullptr);
  79 #endif
  80
  81     // try to read a possible open password from stdin
  82     char aPwBuf[129];
  83     aPwBuf[128] = 0;
  84     if( ! fgets( aPwBuf, sizeof(aPwBuf)-1, stdin ) )
  85         aPwBuf[0] = 0; // mark as empty
  86     else
  87     {
  88         for( size_t i = 0; i < sizeof(aPwBuf); i++ )
  89         {
  90             if( aPwBuf[i] == '\n' )
  91             {
  92                 aPwBuf[i] = 0;
  93                 break;
  94             }
  95         }
  96     }
  97
  98     // PDFDoc takes over ownership for all strings below
  99     GooString* pFileName    = new GooString(argv[1]);
 100     GooString* pErrFileName = new GooString(argv[2]);
 101
 102     // check for password string(s)
 103     GooString* pOwnerPasswordStr( aPwBuf[0] != 0
 104                                  ? new GooString( aPwBuf )
 105                                  : (ownerPassword[0] != '\001'
 106                                     ? new GooString(ownerPassword)
 107                                     : nullptr ) );
 108     GooString* pUserPasswordStr( aPwBuf[0] != 0
 109                                 ? new GooString( aPwBuf )
 110                                 : (userPassword[0] != '\001'
 111                                   ? new GooString(userPassword)
 112                                   : nullptr ) );
 113     if( outputFile[0] != '\001' )
 114         g_binary_out = fopen(outputFile,"wb");
 115
 116 #ifdef _WIN32
 117     // Win actually modifies output for O_TEXT file mode, so need to
 118     // revert to binary here
 119     _setmode( _fileno( g_binary_out ), _O_BINARY );
 120 #endif
 121
 122     PDFDoc aDoc( pFileName,
 123                  pOwnerPasswordStr,
 124                  pUserPasswordStr );
 125
 126     PDFDoc aErrDoc( pErrFileName,
 127                  pOwnerPasswordStr,
 128                  pUserPasswordStr );
 129
 130     // Check various permissions for aDoc.
 131     PDFDoc &rDoc = aDoc.isOk()? aDoc: aErrDoc;
 132
 133     pdfi::PDFOutDev aOutDev(&rDoc);
 134     if (!strcmp(options, "SkipImages")) {
 135             aOutDev.setSkipImages(true);
 136     }
 137
 138     // tell the receiver early - needed for proper progress calculation
 139     const int nPages = rDoc.isOk()? rDoc.getNumPages(): 0;
 140     pdfi::PDFOutDev::setPageNum(nPages);
 141
 142     // virtual resolution of the PDF OutputDev in dpi
 143     static const int PDFI_OUTDEV_RESOLUTION = 7200;
 144
 145     // do the conversion
 146     for (int i = 1; i <= nPages; ++i)
 147     {
 148         rDoc.displayPage(&aOutDev,
 149                 i,
 150                 PDFI_OUTDEV_RESOLUTION,
 151                 PDFI_OUTDEV_RESOLUTION,
 152                 0, true, true, true);
 153         rDoc.processLinks(&aOutDev, i);
 154     }
 155
 156     return 0;
 157 }
 158
 159 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */