From d1291f67551c58168af43698a359cb5ddfd266b0 Mon Sep 17 00:00:00 2001 From: Florian Dold Date: Thu, 3 Nov 2016 01:33:53 +0100 Subject: node_modules --- node_modules/adm-zip/headers/entryHeader.js | 261 ++++++++++++++++++++++++++++ node_modules/adm-zip/headers/index.js | 2 + node_modules/adm-zip/headers/mainHeader.js | 80 +++++++++ 3 files changed, 343 insertions(+) create mode 100644 node_modules/adm-zip/headers/entryHeader.js create mode 100644 node_modules/adm-zip/headers/index.js create mode 100644 node_modules/adm-zip/headers/mainHeader.js (limited to 'node_modules/adm-zip/headers') diff --git a/node_modules/adm-zip/headers/entryHeader.js b/node_modules/adm-zip/headers/entryHeader.js new file mode 100644 index 000000000..a29c70f15 --- /dev/null +++ b/node_modules/adm-zip/headers/entryHeader.js @@ -0,0 +1,261 @@ +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" + + '}'; + } + } +}; diff --git a/node_modules/adm-zip/headers/index.js b/node_modules/adm-zip/headers/index.js new file mode 100644 index 000000000..b8c67b96f --- /dev/null +++ b/node_modules/adm-zip/headers/index.js @@ -0,0 +1,2 @@ +exports.EntryHeader = require("./entryHeader"); +exports.MainHeader = require("./mainHeader"); diff --git a/node_modules/adm-zip/headers/mainHeader.js b/node_modules/adm-zip/headers/mainHeader.js new file mode 100644 index 000000000..002bc8a74 --- /dev/null +++ b/node_modules/adm-zip/headers/mainHeader.js @@ -0,0 +1,80 @@ +var Utils = require("../util"), + Constants = Utils.Constants; + +/* The entries in the end of central directory */ +module.exports = function () { + var _volumeEntries = 0, + _totalEntries = 0, + _size = 0, + _offset = 0, + _commentLength = 0; + + return { + get diskEntries () { return _volumeEntries }, + set diskEntries (/*Number*/val) { _volumeEntries = _totalEntries = val; }, + + get totalEntries () { return _totalEntries }, + set totalEntries (/*Number*/val) { _totalEntries = _volumeEntries = val; }, + + get size () { return _size }, + set size (/*Number*/val) { _size = val; }, + + get offset () { return _offset }, + set offset (/*Number*/val) { _offset = val; }, + + get commentLength () { return _commentLength }, + set commentLength (/*Number*/val) { _commentLength = val; }, + + get mainHeaderSize () { + return Constants.ENDHDR + _commentLength; + }, + + loadFromBinary : function(/*Buffer*/data) { + // data should be 22 bytes and start with "PK 05 06" + if (data.length != Constants.ENDHDR || data.readUInt32LE(0) != Constants.ENDSIG) + throw Utils.Errors.INVALID_END; + + // number of entries on this volume + _volumeEntries = data.readUInt16LE(Constants.ENDSUB); + // total number of entries + _totalEntries = data.readUInt16LE(Constants.ENDTOT); + // central directory size in bytes + _size = data.readUInt32LE(Constants.ENDSIZ); + // offset of first CEN header + _offset = data.readUInt32LE(Constants.ENDOFF); + // zip file comment length + _commentLength = data.readUInt16LE(Constants.ENDCOM); + }, + + toBinary : function() { + var b = new Buffer(Constants.ENDHDR + _commentLength); + // "PK 05 06" signature + b.writeUInt32LE(Constants.ENDSIG, 0); + b.writeUInt32LE(0, 4); + // number of entries on this volume + b.writeUInt16LE(_volumeEntries, Constants.ENDSUB); + // total number of entries + b.writeUInt16LE(_totalEntries, Constants.ENDTOT); + // central directory size in bytes + b.writeUInt32LE(_size, Constants.ENDSIZ); + // offset of first CEN header + b.writeUInt32LE(_offset, Constants.ENDOFF); + // zip file comment length + b.writeUInt16LE(_commentLength, Constants.ENDCOM); + // fill comment memory with spaces so no garbage is left there + b.fill(" ", Constants.ENDHDR); + + return b; + }, + + toString : function() { + return '{\n' + + '\t"diskEntries" : ' + _volumeEntries + ",\n" + + '\t"totalEntries" : ' + _totalEntries + ",\n" + + '\t"size" : ' + _size + " bytes,\n" + + '\t"offset" : 0x' + _offset.toString(16).toUpperCase() + ",\n" + + '\t"commentLength" : 0x' + _commentLength + "\n" + + '}'; + } + } +}; \ No newline at end of file -- cgit v1.2.3