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Copy pathconstants.js
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142 lines (131 loc) · 6.22 KB
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module.exports = {
/* The local file header */
LOCHDR : 30, // LOC header size
LOCSIG : 0x04034b50, // "PK\003\004"
LOCVER : 4, // version needed to extract
LOCFLG : 6, // general purpose bit flag
LOCHOW : 8, // compression method
LOCTIM : 10, // modification time (2 bytes time, 2 bytes date)
LOCCRC : 14, // uncompressed file crc-32 value
LOCSIZ : 18, // compressed size
LOCLEN : 22, // uncompressed size
LOCNAM : 26, // filename length
LOCEXT : 28, // extra field length
/* The Data descriptor */
EXTSIG : 0x08074b50, // "PK\007\008"
EXTHDR : 16, // EXT header size
EXTCRC : 4, // uncompressed file crc-32 value
EXTSIZ : 8, // compressed size
EXTLEN : 12, // uncompressed size
/* The central directory file header */
CENHDR : 46, // CEN header size
CENSIG : 0x02014b50, // "PK\001\002"
CENVEM : 4, // version made by
CENVER : 6, // version needed to extract
CENFLG : 8, // encrypt, decrypt flags
CENHOW : 10, // compression method
CENTIM : 12, // modification time (2 bytes time, 2 bytes date)
CENCRC : 16, // uncompressed file crc-32 value
CENSIZ : 20, // compressed size
CENLEN : 24, // uncompressed size
CENNAM : 28, // filename length
CENEXT : 30, // extra field length
CENCOM : 32, // file comment length
CENDSK : 34, // volume number start
CENATT : 36, // internal file attributes
CENATX : 38, // external file attributes (host system dependent)
CENOFF : 42, // LOC header offset
/* The entries in the end of central directory */
ENDHDR : 22, // END header size
ENDSIG : 0x06054b50, // "PK\005\006"
ENDSUB : 8, // number of entries on this disk
ENDTOT : 10, // total number of entries
ENDSIZ : 12, // central directory size in bytes
ENDOFF : 16, // offset of first CEN header
ENDCOM : 20, // zip file comment length
END64HDR : 20, // zip64 END header size
END64SIG : 0x07064b50, // zip64 Locator signature, "PK\006\007"
END64START : 4, // number of the disk with the start of the zip64
END64OFF : 8, // relative offset of the zip64 end of central directory
END64NUMDISKS : 16, // total number of disks
ZIP64SIG : 0x06064b50, // zip64 signature, "PK\006\006"
ZIP64HDR : 56, // zip64 record minimum size
ZIP64LEAD : 12, // leading bytes at the start of the record, not counted by the value stored in ZIP64SIZE
ZIP64SIZE : 4, // zip64 size of the central directory record
ZIP64VEM : 12, // zip64 version made by
ZIP64VER : 14, // zip64 version needed to extract
ZIP64DSK : 16, // zip64 number of this disk
ZIP64DSKDIR : 20, // number of the disk with the start of the record directory
ZIP64SUB : 24, // number of entries on this disk
ZIP64TOT : 32, // total number of entries
ZIP64SIZB : 40, // zip64 central directory size in bytes
ZIP64OFF : 48, // offset of start of central directory with respect to the starting disk number
ZIP64EXTRA : 56, // extensible data sector
/* Compression methods */
STORED : 0, // no compression
SHRUNK : 1, // shrunk
REDUCED1 : 2, // reduced with compression factor 1
REDUCED2 : 3, // reduced with compression factor 2
REDUCED3 : 4, // reduced with compression factor 3
REDUCED4 : 5, // reduced with compression factor 4
IMPLODED : 6, // imploded
// 7 reserved for Tokenizing compression algorithm
DEFLATED : 8, // deflated
ENHANCED_DEFLATED: 9, // enhanced deflated
PKWARE : 10,// PKWare DCL imploded
// 11 reserved by PKWARE
BZIP2 : 12, // compressed using BZIP2
// 13 reserved by PKWARE
LZMA : 14, // LZMA
// 15-17 reserved by PKWARE
IBM_TERSE : 18, // compressed using IBM TERSE
IBM_LZ77 : 19, // IBM LZ77 z
AES_ENCRYPT : 99, // WinZIP AES encryption method
/* General purpose bit flag */
// values can obtained with expression 2**bitnr
FLG_ENC : 1, // Bit 0: encrypted file
FLG_COMP1 : 2, // Bit 1, compression option
FLG_COMP2 : 4, // Bit 2, compression option
FLG_DESC : 8, // Bit 3, data descriptor
FLG_ENH : 16, // Bit 4, enhanced deflating
FLG_PATCH : 32, // Bit 5, indicates that the file is compressed patched data.
FLG_STR : 64, // Bit 6, strong encryption (patented)
// Bits 7-10: Currently unused.
FLG_EFS : 2048, // Bit 11: Language encoding flag (EFS)
// Bit 12: Reserved by PKWARE for enhanced compression.
// Bit 13: encrypted the Central Directory (patented).
// Bits 14-15: Reserved by PKWARE.
FLG_MSK : 4096, // mask header values
/* Load type */
FILE : 2,
BUFFER : 1,
NONE : 0,
/* 4.5 Extensible data fields */
EF_ID : 0,
EF_SIZE : 2,
/* Header IDs */
ID_ZIP64 : 0x0001,
ID_AVINFO : 0x0007,
ID_PFS : 0x0008,
ID_OS2 : 0x0009,
ID_NTFS : 0x000a,
ID_OPENVMS : 0x000c,
ID_UNIX : 0x000d,
ID_FORK : 0x000e,
ID_PATCH : 0x000f,
ID_X509_PKCS7 : 0x0014,
ID_X509_CERTID_F : 0x0015,
ID_X509_CERTID_C : 0x0016,
ID_STRONGENC : 0x0017,
ID_RECORD_MGT : 0x0018,
ID_X509_PKCS7_RL : 0x0019,
ID_IBM1 : 0x0065,
ID_IBM2 : 0x0066,
ID_POSZIP : 0x4690,
EF_ZIP64_OR_32 : 0xffffffff,
EF_ZIP64_OR_16 : 0xffff,
EF_ZIP64_SUNCOMP : 0,
EF_ZIP64_SCOMP : 8,
EF_ZIP64_RHO : 16,
EF_ZIP64_DSN : 24
};