diff options
author | Florian Dold <florian.dold@gmail.com> | 2017-05-27 17:36:13 +0200 |
---|---|---|
committer | Florian Dold <florian.dold@gmail.com> | 2017-05-27 17:36:13 +0200 |
commit | 5f466137ad6ac596600e3ff53c9b786815398445 (patch) | |
tree | f914c221874f0b16bf3def7ac01d59d1a99a3b0b /node_modules/adm-zip/headers/entryHeader.js | |
parent | c9f5ac8e763eda19aa0564179300cfff76785435 (diff) |
node_modules, clean up package.json
Diffstat (limited to 'node_modules/adm-zip/headers/entryHeader.js')
-rw-r--r-- | node_modules/adm-zip/headers/entryHeader.js | 261 |
1 files changed, 0 insertions, 261 deletions
diff --git a/node_modules/adm-zip/headers/entryHeader.js b/node_modules/adm-zip/headers/entryHeader.js deleted file mode 100644 index a29c70f15..000000000 --- a/node_modules/adm-zip/headers/entryHeader.js +++ /dev/null @@ -1,261 +0,0 @@ -var Utils = require("../util"),
- Constants = Utils.Constants;
-
-/* The central directory file header */
-module.exports = function () {
- var _verMade = 0x0A,
- _version = 0x0A,
- _flags = 0,
- _method = 0,
- _time = 0,
- _crc = 0,
- _compressedSize = 0,
- _size = 0,
- _fnameLen = 0,
- _extraLen = 0,
-
- _comLen = 0,
- _diskStart = 0,
- _inattr = 0,
- _attr = 0,
- _offset = 0;
-
- var _dataHeader = {};
-
- function setTime(val) {
- var val = new Date(val);
- _time = (val.getFullYear() - 1980 & 0x7f) << 25 // b09-16 years from 1980
- | (val.getMonth() + 1) << 21 // b05-08 month
- | val.getDay() << 16 // b00-04 hour
-
- // 2 bytes time
- | val.getHours() << 11 // b11-15 hour
- | val.getMinutes() << 5 // b05-10 minute
- | val.getSeconds() >> 1; // b00-04 seconds divided by 2
- }
-
- setTime(+new Date());
-
- return {
- get made () { return _verMade; },
- set made (val) { _verMade = val; },
-
- get version () { return _version; },
- set version (val) { _version = val },
-
- get flags () { return _flags },
- set flags (val) { _flags = val; },
-
- get method () { return _method; },
- set method (val) { _method = val; },
-
- get time () { return new Date(
- ((_time >> 25) & 0x7f) + 1980,
- ((_time >> 21) & 0x0f) - 1,
- (_time >> 16) & 0x1f,
- (_time >> 11) & 0x1f,
- (_time >> 5) & 0x3f,
- (_time & 0x1f) << 1
- );
- },
- set time (val) {
- setTime(val);
- },
-
- get crc () { return _crc; },
- set crc (val) { _crc = val; },
-
- get compressedSize () { return _compressedSize; },
- set compressedSize (val) { _compressedSize = val; },
-
- get size () { return _size; },
- set size (val) { _size = val; },
-
- get fileNameLength () { return _fnameLen; },
- set fileNameLength (val) { _fnameLen = val; },
-
- get extraLength () { return _extraLen },
- set extraLength (val) { _extraLen = val; },
-
- get commentLength () { return _comLen },
- set commentLength (val) { _comLen = val },
-
- get diskNumStart () { return _diskStart },
- set diskNumStart (val) { _diskStart = val },
-
- get inAttr () { return _inattr },
- set inAttr (val) { _inattr = val },
-
- get attr () { return _attr },
- set attr (val) { _attr = val },
-
- get offset () { return _offset },
- set offset (val) { _offset = val },
-
- get encripted () { return (_flags & 1) == 1 },
-
- get entryHeaderSize () {
- return Constants.CENHDR + _fnameLen + _extraLen + _comLen;
- },
-
- get realDataOffset () {
- return _offset + Constants.LOCHDR + _dataHeader.fnameLen + _dataHeader.extraLen;
- },
-
- get dataHeader () {
- return _dataHeader;
- },
-
- loadDataHeaderFromBinary : function(/*Buffer*/input) {
- var data = input.slice(_offset, _offset + Constants.LOCHDR);
- // 30 bytes and should start with "PK\003\004"
- if (data.readUInt32LE(0) != Constants.LOCSIG) {
- throw Utils.Errors.INVALID_LOC;
- }
- _dataHeader = {
- // version needed to extract
- version : data.readUInt16LE(Constants.LOCVER),
- // general purpose bit flag
- flags : data.readUInt16LE(Constants.LOCFLG),
- // compression method
- method : data.readUInt16LE(Constants.LOCHOW),
- // modification time (2 bytes time, 2 bytes date)
- time : data.readUInt32LE(Constants.LOCTIM),
- // uncompressed file crc-32 value
- crc : data.readUInt32LE(Constants.LOCCRC),
- // compressed size
- compressedSize : data.readUInt32LE(Constants.LOCSIZ),
- // uncompressed size
- size : data.readUInt32LE(Constants.LOCLEN),
- // filename length
- fnameLen : data.readUInt16LE(Constants.LOCNAM),
- // extra field length
- extraLen : data.readUInt16LE(Constants.LOCEXT)
- }
- },
-
- loadFromBinary : function(/*Buffer*/data) {
- // data should be 46 bytes and start with "PK 01 02"
- if (data.length != Constants.CENHDR || data.readUInt32LE(0) != Constants.CENSIG) {
- throw Utils.Errors.INVALID_CEN;
- }
- // version made by
- _verMade = data.readUInt16LE(Constants.CENVEM);
- // version needed to extract
- _version = data.readUInt16LE(Constants.CENVER);
- // encrypt, decrypt flags
- _flags = data.readUInt16LE(Constants.CENFLG);
- // compression method
- _method = data.readUInt16LE(Constants.CENHOW);
- // modification time (2 bytes time, 2 bytes date)
- _time = data.readUInt32LE(Constants.CENTIM);
- // uncompressed file crc-32 value
- _crc = data.readUInt32LE(Constants.CENCRC);
- // compressed size
- _compressedSize = data.readUInt32LE(Constants.CENSIZ);
- // uncompressed size
- _size = data.readUInt32LE(Constants.CENLEN);
- // filename length
- _fnameLen = data.readUInt16LE(Constants.CENNAM);
- // extra field length
- _extraLen = data.readUInt16LE(Constants.CENEXT);
- // file comment length
- _comLen = data.readUInt16LE(Constants.CENCOM);
- // volume number start
- _diskStart = data.readUInt16LE(Constants.CENDSK);
- // internal file attributes
- _inattr = data.readUInt16LE(Constants.CENATT);
- // external file attributes
- _attr = data.readUInt32LE(Constants.CENATX);
- // LOC header offset
- _offset = data.readUInt32LE(Constants.CENOFF);
- },
-
- dataHeaderToBinary : function() {
- // LOC header size (30 bytes)
- var data = new Buffer(Constants.LOCHDR);
- // "PK\003\004"
- data.writeUInt32LE(Constants.LOCSIG, 0);
- // version needed to extract
- data.writeUInt16LE(_version, Constants.LOCVER);
- // general purpose bit flag
- data.writeUInt16LE(_flags, Constants.LOCFLG);
- // compression method
- data.writeUInt16LE(_method, Constants.LOCHOW);
- // modification time (2 bytes time, 2 bytes date)
- data.writeUInt32LE(_time, Constants.LOCTIM);
- // uncompressed file crc-32 value
- data.writeUInt32LE(_crc, Constants.LOCCRC);
- // compressed size
- data.writeUInt32LE(_compressedSize, Constants.LOCSIZ);
- // uncompressed size
- data.writeUInt32LE(_size, Constants.LOCLEN);
- // filename length
- data.writeUInt16LE(_fnameLen, Constants.LOCNAM);
- // extra field length
- data.writeUInt16LE(_extraLen, Constants.LOCEXT);
- return data;
- },
-
- entryHeaderToBinary : function() {
- // CEN header size (46 bytes)
- var data = new Buffer(Constants.CENHDR + _fnameLen + _extraLen + _comLen);
- // "PK\001\002"
- data.writeUInt32LE(Constants.CENSIG, 0);
- // version made by
- data.writeUInt16LE(_verMade, Constants.CENVEM);
- // version needed to extract
- data.writeUInt16LE(_version, Constants.CENVER);
- // encrypt, decrypt flags
- data.writeUInt16LE(_flags, Constants.CENFLG);
- // compression method
- data.writeUInt16LE(_method, Constants.CENHOW);
- // modification time (2 bytes time, 2 bytes date)
- data.writeUInt32LE(_time, Constants.CENTIM);
- // uncompressed file crc-32 value
- data.writeInt32LE(_crc, Constants.CENCRC, true);
- // compressed size
- data.writeUInt32LE(_compressedSize, Constants.CENSIZ);
- // uncompressed size
- data.writeUInt32LE(_size, Constants.CENLEN);
- // filename length
- data.writeUInt16LE(_fnameLen, Constants.CENNAM);
- // extra field length
- data.writeUInt16LE(_extraLen, Constants.CENEXT);
- // file comment length
- data.writeUInt16LE(_comLen, Constants.CENCOM);
- // volume number start
- data.writeUInt16LE(_diskStart, Constants.CENDSK);
- // internal file attributes
- data.writeUInt16LE(_inattr, Constants.CENATT);
- // external file attributes
- data.writeUInt32LE(_attr, Constants.CENATX);
- // LOC header offset
- data.writeUInt32LE(_offset, Constants.CENOFF);
- // fill all with
- data.fill(0x00, Constants.CENHDR);
- return data;
- },
-
- toString : function() {
- return '{\n' +
- '\t"made" : ' + _verMade + ",\n" +
- '\t"version" : ' + _version + ",\n" +
- '\t"flags" : ' + _flags + ",\n" +
- '\t"method" : ' + Utils.methodToString(_method) + ",\n" +
- '\t"time" : ' + _time + ",\n" +
- '\t"crc" : 0x' + _crc.toString(16).toUpperCase() + ",\n" +
- '\t"compressedSize" : ' + _compressedSize + " bytes,\n" +
- '\t"size" : ' + _size + " bytes,\n" +
- '\t"fileNameLength" : ' + _fnameLen + ",\n" +
- '\t"extraLength" : ' + _extraLen + " bytes,\n" +
- '\t"commentLength" : ' + _comLen + " bytes,\n" +
- '\t"diskNumStart" : ' + _diskStart + ",\n" +
- '\t"inAttr" : ' + _inattr + ",\n" +
- '\t"attr" : ' + _attr + ",\n" +
- '\t"offset" : ' + _offset + ",\n" +
- '\t"entryHeaderSize" : ' + (Constants.CENHDR + _fnameLen + _extraLen + _comLen) + " bytes\n" +
- '}';
- }
- }
-};
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