diff options
Diffstat (limited to 'src/thirdparty/MediaInfo/MediaInfo/Archive/File_Zip.cpp')
| -rw-r--r-- | src/thirdparty/MediaInfo/MediaInfo/Archive/File_Zip.cpp | 477 |
1 files changed, 0 insertions, 477 deletions
diff --git a/src/thirdparty/MediaInfo/MediaInfo/Archive/File_Zip.cpp b/src/thirdparty/MediaInfo/MediaInfo/Archive/File_Zip.cpp deleted file mode 100644 index 62c1b183b..000000000 --- a/src/thirdparty/MediaInfo/MediaInfo/Archive/File_Zip.cpp +++ /dev/null @@ -1,477 +0,0 @@ -/* Copyright (c) MediaArea.net SARL. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license that can
- * be found in the License.html file in the root of the source tree.
- */
-
-//---------------------------------------------------------------------------
-// Pre-compilation
-#include "MediaInfo/PreComp.h"
-#ifdef __BORLANDC__
- #pragma hdrstop
-#endif
-//---------------------------------------------------------------------------
-
-//---------------------------------------------------------------------------
-#include "MediaInfo/Setup.h"
-//---------------------------------------------------------------------------
-
-//---------------------------------------------------------------------------
-#if defined(MEDIAINFO_ZIP_YES)
-//---------------------------------------------------------------------------
-
-//---------------------------------------------------------------------------
-#include "MediaInfo/Archive/File_Zip.h"
-#include "ZenLib/Utils.h"
-//---------------------------------------------------------------------------
-
-namespace MediaInfoLib
-{
-
-//***************************************************************************
-// Infos
-//***************************************************************************
-
-
-//---------------------------------------------------------------------------
-const char* Zip_made_by[20]=
-{
- "MS-DOS and OS/2 (FAT / VFAT / FAT32 file systems)",
- "Amiga",
- "OpenVMS",
- "UNIX",
- "VM/CMS",
- "Atari ST",
- "OS/2 H.P.F.S.",
- "Macintosh",
- "Z-System",
- "CP/M",
- "Windows NTFS",
- "MVS (OS/390 - Z/OS)",
- "VSE",
- "Acorn Risc",
- "VFAT",
- "alternate MVS",
- "BeOS",
- "Tandem",
- "OS/400",
- "OS/X (Darwin)"
-};
-
-//---------------------------------------------------------------------------
-const char* Zip_compression_method[22]=
-{
- "stored (no compression)",
- "Shrunk",
- "Reduced with compression factor 1",
- "Reduced with compression factor 2",
- "Reduced with compression factor 3",
- "Reduced with compression factor 4",
- "Imploded",
- "Tokenizing compression algorithm",
- "Deflated",
- "Enhanced Deflating using Deflate64(tm)",
- "PKWARE Data Compression Library Imploding (old IBM TERSE)",
- "Reserved by PKWARE",
- "compressed using BZIP2 algorithm",
- "Reserved by PKWARE",
- "LZMA (EFS)",
- "Reserved by PKWARE",
- "Reserved by PKWARE",
- "Reserved by PKWARE",
- "File is compressed using IBM TERSE (new)",
- "IBM LZ77 z Architecture (PFS)",
- "WavPack compressed data", // 97
- "PPMd version I, Rev 1" // 98
-};
-
-//***************************************************************************
-// Static stuff
-//***************************************************************************
-
-//---------------------------------------------------------------------------
-bool File_Zip::FileHeader_Begin()
-{
- //Element_Size
- if (Buffer_Size<4)
- return false; //Must wait for more data
-
- if (Buffer[0]!=0x50 //"PK.."
- || Buffer[1]!=0x4B
- || Buffer[2]!=0x03
- || Buffer[3]!=0x04)
- {
- Reject("ZIP");
- return false;
- }
-
- //This is OK, ZIP detected
- Accept();
- Fill(Stream_General, 0, General_Format, "ZIP");
-
- //Init
- signature=0x00000000;
- local_file_Step=0;
- end_of_central_directory_IsParsed=false;
-
- //Jumping to the end of the file minus end_of_central_directory size (we hope there is no comment)
- GoTo(File_Size-22);
-
- return true;
-}
-
-//***************************************************************************
-// Buffer - Global
-//***************************************************************************
-
-//---------------------------------------------------------------------------
-void File_Zip::Read_Buffer_Continue()
-{
- for (;;)
- {
- //Probing
- if (signature==0x00000000) //If not already tested (else an element is being parsed)
- {
- if (Element_Offset+4>Element_Size) //signature size
- return; //Not enough data
- signature=LittleEndian2int32u(Buffer+(size_t)Element_Offset);
- }
-
- //Parsing
- switch (signature)
- {
- case 0x04034b50 : if (!local_file())
- return; //Not enough data
- break;
- case 0x02014b50 : if (!central_directory())
- return; //Not enough data
- break;
- case 0x05054b50 : if (!digital_signature())
- return; //Not enough data
- break;
- case 0x06054b50 : if (!end_of_central_directory())
- return; //Not enough data
- break;
- case 0x08064b50 : if(!archive_extra_data_record())
- return;
- break;
- case 0x06064b50 : if(!Zip64_end_of_central_directory_record())
- return;
- break;
- case 0x07064b50 : if(!Zip64_end_of_central_directory_locator())
- return;
- break;
- default: Finish(); return; //Reject(); return; //Unknown value //Décommenter quand toutes les signatures sont implémentées
- }
-
- //Cleanup
- signature=0x00000000; //Reset, must probe again the signature (next element)
- }
-}
-
-//***************************************************************************
-// Files
-//***************************************************************************
-
-bool File_Zip::local_file()
-{
- switch(local_file_Step)
- {
- case 0 :
- if (!local_file_header())
- return false;
- local_file_Step=1; //local_file_header parsed
- break;
- case 1 :
- local_file_Step=2; //file_data is always parsed
- if (!file_data())
- return false;
- break;
- case 2:
- if (!data_descriptor())
- return false;
- local_file_Step=0; //data_descriptor is parsed, back to begin
- break;
- default: ; //Should never happen
- }
-
- return true;
-}
-
-bool File_Zip::archive_extra_data_record()
-{
- if (Element_Offset+8>Element_Size) //archive_extra_data_record
- return false; //Not enough data
-
- //Retrieving complete archive_extra_data_record size
- int32u extra_field_length=LittleEndian2int32u(Buffer+(size_t)Element_Offset+4);
-
- //Parsing
- Element_Begin1("archive_extra_data_record");
- Skip_C4("Archive extra data signature");
- Skip_L4("extra field length");
- Skip_XX(extra_field_length,"extra_field_data");
- Element_End0();
-
- return true;
-}
-
-bool File_Zip::digital_signature()
-{
- if (Element_Offset+6>Element_Size) //digital_signature
- return false; //Not enough data
-
- //Retrieving complete archive_extra_data_record size
- int16u size_of_data=LittleEndian2int16u(Buffer+(size_t)Element_Offset+4);
-
- //Parsing
- Element_Begin1("digital_signature");
- Skip_C4("Header signature");
- Skip_L2("size of data");
- Skip_XX(size_of_data,"signature data");
- Element_End0();
-
- return true;
-}
-
-bool File_Zip::local_file_header()
-{
- if (Element_Offset+30>Element_Size) //local_file_header up to extra_field_length included
- return false; //Not enough data
-
- //Retrieving complete local_file_header size
- int16u file_name_length=LittleEndian2int16u(Buffer+(size_t)Element_Offset+26);
- int16u extra_field_length=LittleEndian2int16u(Buffer+(size_t)Element_Offset+28);
- if (Element_Offset+30+file_name_length+extra_field_length>Element_Size) //local_file_header all included
- return false; //Not enough data
-
- //Parsing
- Element_Begin1("local_file_header");
- int16u general_purpose_bit_flag,compression_method;
- bool efs;
- Skip_C4("Local file header signature");
- Skip_L2("Version needed to extract");
- Get_L2 (general_purpose_bit_flag,"general purpose bit flag");
- Skip_Flags(general_purpose_bit_flag, 0, "encrypted file");
- Skip_Flags(general_purpose_bit_flag, 1, "8K sliding dictionary");
- Skip_Flags(general_purpose_bit_flag, 2, "3 Shannon-Fano trees");
- Get_Flags (general_purpose_bit_flag, 3, data_descriptor_set, "data descriptor");
- Skip_Flags(general_purpose_bit_flag, 4, "Reserved for use with method 8");
- Skip_Flags(general_purpose_bit_flag, 4, "file is compressed patched data");
- Skip_Flags(general_purpose_bit_flag, 4, "Strong encryption");
- //~ Skip_Flags(general_purpose_bit_flag, 4, "Currently unused");
- //~ Skip_Flags(general_purpose_bit_flag, 4, "Currently unused");
- //~ Skip_Flags(general_purpose_bit_flag, 4, "Currently unused");
- //~ Skip_Flags(general_purpose_bit_flag, 4, "Currently unused");
- Get_Flags (general_purpose_bit_flag, 11, efs, "Language encoding flag (EFS)");
- //~ Skip_Flags(general_purpose_bit_flag, 4, "Reserved by PKWARE for enhanced compression");
- //~ Skip_Flags(general_purpose_bit_flag, 4, "");
- //~ Skip_Flags(general_purpose_bit_flag, 4, "Reserved by PKWARE");
- //~ Skip_Flags(general_purpose_bit_flag, 4, "Reserved by PKWARE");
- Get_L2 (compression_method,"compression method");
- Param_Info1C((compression_method<20), Zip_compression_method[compression_method]);
- Param_Info1C((compression_method==97||compression_method==98), Zip_compression_method[compression_method-97+20]);
- Skip_L2("last mod file time");
- Skip_L2("last mod file date");
- Skip_L4("crc-32");
- Get_L4(compressed_size,"compressed size");
- Skip_L4("uncompressed size");
- Get_L2(file_name_length,"file name lenth");
- Get_L2(extra_field_length,"extra field length");
- if(efs) {
- Skip_UTF8(file_name_length,"file name");
- Skip_UTF8(extra_field_length,"extra field");
- } else {
- Skip_Local(file_name_length,"file name");
- Skip_Local(extra_field_length,"extra field");
- }
- Element_End0();
-
- FILLING_BEGIN();
- Accept("Zip");
- Fill(Stream_General, 0, General_Format, "ZIP");
- FILLING_END();
- return true;
-}
-
-bool File_Zip::file_data()
-{
- Element_Begin1("file_data");
- Skip_XX(compressed_size,"File_data");
- Element_End0();
-
- if (Element_Offset>Element_Size)
- {
- GoTo(File_Offset+Element_Offset);
- return false;
- }
- return true;
-
-}
-
-bool File_Zip::data_descriptor()
-{
- if(data_descriptor_set)
- {
- if (Element_Offset+12>Element_Size)
- return false; //Not enough data
-
- Element_Begin1("data_descriptor");
- Skip_L4("crc-32");
- Skip_L4("compressed size");
- Skip_L4("uncompressed size");
- Element_End0();
- }
- return true;
-}
-
-bool File_Zip::central_directory()
-{
- if (Element_Offset+46>Element_Size) //central_directory up to relative offset of local header included
- return false; //Not enough data
-
- //Retrieving complete local_file_header size
- int16u file_name_length=LittleEndian2int16u(Buffer+(size_t)Element_Offset+28);
- int16u extra_field_length=LittleEndian2int16u(Buffer+(size_t)Element_Offset+30);
- int16u file_comment_length=LittleEndian2int16u(Buffer+(size_t)Element_Offset+32);
- if (Element_Offset+46+file_name_length+extra_field_length+file_comment_length>Element_Size) //central_directory_structure all included
- return false; //Not enough data
-
- int16u general_purpose_bit_flag;
- bool efs;
- int16u version_made_by,compression_method;
-
- //Parsing
- Element_Begin1("Central directory");
- Skip_C4("central file header signature");
- Get_L2 (version_made_by,"version made by");Param_Info1((version_made_by>>8)>20?"unused":Zip_made_by[version_made_by>>8]);
- Skip_L2("version needed to extract");
- Get_L2 (general_purpose_bit_flag,"general purpose bit flag");
- Skip_Flags(general_purpose_bit_flag, 0, "encrypted file");
- Skip_Flags(general_purpose_bit_flag, 1, "8K sliding dictionary");
- Skip_Flags(general_purpose_bit_flag, 2, "3 Shannon-Fano trees");
- Skip_Flags(general_purpose_bit_flag, 3, "data descriptor");
- Skip_Flags(general_purpose_bit_flag, 4, "Reserved for use with method 8");
- Skip_Flags(general_purpose_bit_flag, 4, "file is compressed patched data");
- Skip_Flags(general_purpose_bit_flag, 4, "Strong encryption");
- //~ Skip_Flags(general_purpose_bit_flag, 4, "Currently unused");
- //~ Skip_Flags(general_purpose_bit_flag, 4, "Currently unused");
- //~ Skip_Flags(general_purpose_bit_flag, 4, "Currently unused");
- //~ Skip_Flags(general_purpose_bit_flag, 4, "Currently unused");
- Get_Flags (general_purpose_bit_flag, 11, efs, "Language encoding flag (EFS)");
- //~ Skip_Flags(general_purpose_bit_flag, 4, "Reserved by PKWARE for enhanced compression");
- //~ Skip_Flags(general_purpose_bit_flag, 4, "");
- //~ Skip_Flags(general_purpose_bit_flag, 4, "Reserved by PKWARE");
- //~ Skip_Flags(general_purpose_bit_flag, 4, "Reserved by PKWARE");
- Get_L2 (compression_method,"compression method");
- Param_Info1C((compression_method<20), Zip_compression_method[compression_method]);
- Param_Info1C((compression_method==97||compression_method==98), Zip_compression_method[compression_method-97+20]);
- Skip_L2("last mod file time");
- Skip_L2("last mod file date");
- Skip_L4("crc-32");
- Skip_L4("compressed size");
- Skip_L4("uncompressed size");
- Skip_L2("file name length");
- Skip_L2("extra field length");
- Skip_L2("file comment length");
- Skip_L2("disk number start");
- Skip_L2("internal file attributes");
- Skip_L4("external file attributes");
- Skip_L4("relative offset of local header");
- if(efs) {
- Skip_UTF8(file_name_length,"file name");
- Skip_UTF8(extra_field_length,"extra field");
- Skip_UTF8(file_comment_length,"file comment");
- } else {
- Skip_Local(file_name_length,"file name");
- Skip_Local(extra_field_length,"extra field");
- Skip_Local(file_comment_length,"file comment");
- }
- Element_End0();
-
- return true;
-}
-
-bool File_Zip::end_of_central_directory()
-{
- if (Element_Offset+22>Element_Size) //end_of_central_directory up to relative offset of .ZIP file comment length included
- return false; //Not enough data
-
- //Retrieving complete local_file_header size
- int16u zip_comment_length=LittleEndian2int16u(Buffer+(size_t)Element_Offset+20);
- if (Element_Offset+22+zip_comment_length>Element_Size) //end_of_central_directory all included
- return false; //Not enough data
-
- //Parsing
- int32u offset;
- Element_Begin1("End of central directory");
- Skip_C4( "end of central dir signature");
- Skip_L2( "number of this disk");
- Skip_L2( "number of the disk");// with the start of the central directory
- Skip_L2( "total number of entries on this disk");// in the central directory
- Skip_L2( "total number of entries");// in the central directory
- Skip_L4( "size of the central directory");
- Get_L4 (offset, "offset of start of central directory");// with respect to the starting disk number
- Skip_L2( "zip file comment length");
- Skip_XX(zip_comment_length, "zip file comment");
- Element_End0();
-
- //Going to first central directory (once)
- if (!end_of_central_directory_IsParsed)
- {
- end_of_central_directory_IsParsed=true;
- GoTo(offset);
- }
- return true;
-}
-
-bool File_Zip::Zip64_end_of_central_directory_record()
-{
- if (Element_Offset+12>Element_Size) //Zip64_end_of_central_directory_record
- return false; //Not enough data
-
- //Retrieving complete Zip64_end_of_central_directory_record size
- int64u size_of_Zip64_end_of_central_directory_record=LittleEndian2int64u(Buffer+(size_t)Element_Offset+4);
- if (Element_Offset+12+size_of_Zip64_end_of_central_directory_record>Element_Size) //end_of_central_directory all included
- return false; //Not enough data
-
- //Parsing
- //~ int32u offset;
- int16u version_made_by;
- Element_Begin1("Zip64 End of central directory record");
- Skip_C4( "Zip64 end of central dir signature");
- Skip_L8( "size of zip64 end of central directory record");
- Get_L2 (version_made_by, "version made by");
- Param_Info1((version_made_by>>8)>20?"unused":Zip_made_by[version_made_by>>8]);
- Skip_L2( "version needed to extract");
- Skip_L4( "number of this disk");
- Skip_L4( "number of the disk");// with the start of the central directory
- Skip_L8( "total number of entries on this disk");// in the central directory
- Skip_L8( "total number of entries");// in the central directory
- Skip_L8( "size of the central directory");
- Skip_L8( "offset of start of central directory"); // with respect to the starting disk number
- Skip_XX(size_of_Zip64_end_of_central_directory_record-44, "zip64 extensible data sector");
- Element_End0();
-
- return true;
-}
-
-bool File_Zip::Zip64_end_of_central_directory_locator()
-{
- if (Element_Offset+20>Element_Size) //Zip64_end_of_central_directory_locator
- return false; //Not enough data
-
- //Parsing
- Element_Begin1("Zip64 end of central directory locator");
- Skip_C4("zip64 end of central dir locator signature");
- Skip_L4("number of the disk");// with the start of the zip64 end of central directory
- Skip_L8("relative offset of the zip64 end of central directory record");
- Skip_L4("total number of disks");
- Element_End0();
-
- return true;
-}
-
-} //NameSpace
-
-#endif //MEDIAINFO_ZIP_YES
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