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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
- /* 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
- DEFLATED : 8, // deflated
- ENHANCED_DEFLATED: 9, // enhanced deflated
- PKWARE : 10,// PKWare DCL imploded
- // 11 reserved
- BZIP2 : 12, // compressed using BZIP2
- // 13 reserved
- LZMA : 14, // LZMA
- // 15-17 reserved
- IBM_TERSE : 18, // compressed using IBM TERSE
- IBM_LZ77 : 19, //IBM LZ77 z
- /* General purpose bit flag */
- FLG_ENC : 0, // encripted file
- FLG_COMP1 : 1, // compression option
- FLG_COMP2 : 2, // compression option
- FLG_DESC : 4, // data descriptor
- FLG_ENH : 8, // enhanced deflation
- FLG_STR : 16, // strong encryption
- FLG_LNG : 1024, // language encoding
- FLG_MSK : 4096, // mask header values
- /* Load type */
- FILE : 0,
- BUFFER : 1,
- NONE : 2,
- /* 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
- };
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