| 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 | |
| }; |