TheDesk Akane (16.0.1)

This commit is contained in:
cutls
2018-08-05 01:26:34 +09:00
parent b3ff01188c
commit a2a937e220
87 changed files with 25983 additions and 39 deletions

70
node_modules/jszip/lib/base64.js generated vendored Normal file
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'use strict';
// private property
var _keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
// public method for encoding
exports.encode = function(input, utf8) {
var output = "";
var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
var i = 0;
while (i < input.length) {
chr1 = input.charCodeAt(i++);
chr2 = input.charCodeAt(i++);
chr3 = input.charCodeAt(i++);
enc1 = chr1 >> 2;
enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
enc4 = chr3 & 63;
if (isNaN(chr2)) {
enc3 = enc4 = 64;
}
else if (isNaN(chr3)) {
enc4 = 64;
}
output = output + _keyStr.charAt(enc1) + _keyStr.charAt(enc2) + _keyStr.charAt(enc3) + _keyStr.charAt(enc4);
}
return output;
};
// public method for decoding
exports.decode = function(input, utf8) {
var output = "";
var chr1, chr2, chr3;
var enc1, enc2, enc3, enc4;
var i = 0;
input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
while (i < input.length) {
enc1 = _keyStr.indexOf(input.charAt(i++));
enc2 = _keyStr.indexOf(input.charAt(i++));
enc3 = _keyStr.indexOf(input.charAt(i++));
enc4 = _keyStr.indexOf(input.charAt(i++));
chr1 = (enc1 << 2) | (enc2 >> 4);
chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
chr3 = ((enc3 & 3) << 6) | enc4;
output = output + String.fromCharCode(chr1);
if (enc3 != 64) {
output = output + String.fromCharCode(chr2);
}
if (enc4 != 64) {
output = output + String.fromCharCode(chr3);
}
}
return output;
};

28
node_modules/jszip/lib/compressedObject.js generated vendored Normal file
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'use strict';
function CompressedObject() {
this.compressedSize = 0;
this.uncompressedSize = 0;
this.crc32 = 0;
this.compressionMethod = null;
this.compressedContent = null;
}
CompressedObject.prototype = {
/**
* Return the decompressed content in an unspecified format.
* The format will depend on the decompressor.
* @return {Object} the decompressed content.
*/
getContent: function() {
return null; // see implementation
},
/**
* Return the compressed content in an unspecified format.
* The format will depend on the compressed conten source.
* @return {Object} the compressed content.
*/
getCompressedContent: function() {
return null; // see implementation
}
};
module.exports = CompressedObject;

13
node_modules/jszip/lib/compressions.js generated vendored Normal file
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'use strict';
exports.STORE = {
magic: "\x00\x00",
compress: function(content, compressionOptions) {
return content; // no compression
},
uncompress: function(content) {
return content; // no compression
},
compressInputType: null,
uncompressInputType: null
};
exports.DEFLATE = require('./flate');

102
node_modules/jszip/lib/crc32.js generated vendored Normal file
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'use strict';
var utils = require('./utils');
var table = [
0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA,
0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3,
0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988,
0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91,
0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE,
0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7,
0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC,
0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5,
0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172,
0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B,
0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940,
0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59,
0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116,
0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F,
0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924,
0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D,
0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A,
0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433,
0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818,
0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01,
0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E,
0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457,
0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C,
0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65,
0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2,
0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB,
0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0,
0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9,
0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086,
0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F,
0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4,
0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD,
0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A,
0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683,
0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8,
0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1,
0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE,
0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7,
0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC,
0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5,
0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252,
0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B,
0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60,
0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79,
0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236,
0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F,
0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04,
0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D,
0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A,
0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713,
0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38,
0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21,
0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E,
0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777,
0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C,
0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45,
0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2,
0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB,
0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0,
0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9,
0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6,
0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF,
0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94,
0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D
];
/**
*
* Javascript crc32
* http://www.webtoolkit.info/
*
*/
module.exports = function crc32(input, crc) {
if (typeof input === "undefined" || !input.length) {
return 0;
}
var isArray = utils.getTypeOf(input) !== "string";
if (typeof(crc) == "undefined") {
crc = 0;
}
var x = 0;
var y = 0;
var b = 0;
crc = crc ^ (-1);
for (var i = 0, iTop = input.length; i < iTop; i++) {
b = isArray ? input[i] : input.charCodeAt(i);
y = (crc ^ b) & 0xFF;
x = table[y];
crc = (crc >>> 8) ^ x;
}
return crc ^ (-1);
};
// vim: set shiftwidth=4 softtabstop=4:

107
node_modules/jszip/lib/dataReader.js generated vendored Normal file
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'use strict';
var utils = require('./utils');
function DataReader(data) {
this.data = null; // type : see implementation
this.length = 0;
this.index = 0;
}
DataReader.prototype = {
/**
* Check that the offset will not go too far.
* @param {string} offset the additional offset to check.
* @throws {Error} an Error if the offset is out of bounds.
*/
checkOffset: function(offset) {
this.checkIndex(this.index + offset);
},
/**
* Check that the specifed index will not be too far.
* @param {string} newIndex the index to check.
* @throws {Error} an Error if the index is out of bounds.
*/
checkIndex: function(newIndex) {
if (this.length < newIndex || newIndex < 0) {
throw new Error("End of data reached (data length = " + this.length + ", asked index = " + (newIndex) + "). Corrupted zip ?");
}
},
/**
* Change the index.
* @param {number} newIndex The new index.
* @throws {Error} if the new index is out of the data.
*/
setIndex: function(newIndex) {
this.checkIndex(newIndex);
this.index = newIndex;
},
/**
* Skip the next n bytes.
* @param {number} n the number of bytes to skip.
* @throws {Error} if the new index is out of the data.
*/
skip: function(n) {
this.setIndex(this.index + n);
},
/**
* Get the byte at the specified index.
* @param {number} i the index to use.
* @return {number} a byte.
*/
byteAt: function(i) {
// see implementations
},
/**
* Get the next number with a given byte size.
* @param {number} size the number of bytes to read.
* @return {number} the corresponding number.
*/
readInt: function(size) {
var result = 0,
i;
this.checkOffset(size);
for (i = this.index + size - 1; i >= this.index; i--) {
result = (result << 8) + this.byteAt(i);
}
this.index += size;
return result;
},
/**
* Get the next string with a given byte size.
* @param {number} size the number of bytes to read.
* @return {string} the corresponding string.
*/
readString: function(size) {
return utils.transformTo("string", this.readData(size));
},
/**
* Get raw data without conversion, <size> bytes.
* @param {number} size the number of bytes to read.
* @return {Object} the raw data, implementation specific.
*/
readData: function(size) {
// see implementations
},
/**
* Find the last occurence of a zip signature (4 bytes).
* @param {string} sig the signature to find.
* @return {number} the index of the last occurence, -1 if not found.
*/
lastIndexOfSignature: function(sig) {
// see implementations
},
/**
* Get the next date.
* @return {Date} the date.
*/
readDate: function() {
var dostime = this.readInt(4);
return new Date(
((dostime >> 25) & 0x7f) + 1980, // year
((dostime >> 21) & 0x0f) - 1, // month
(dostime >> 16) & 0x1f, // day
(dostime >> 11) & 0x1f, // hour
(dostime >> 5) & 0x3f, // minute
(dostime & 0x1f) << 1); // second
}
};
module.exports = DataReader;

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node_modules/jszip/lib/defaults.js generated vendored Normal file
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'use strict';
exports.base64 = false;
exports.binary = false;
exports.dir = false;
exports.createFolders = false;
exports.date = null;
exports.compression = null;
exports.compressionOptions = null;
exports.comment = null;
exports.unixPermissions = null;
exports.dosPermissions = null;

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node_modules/jszip/lib/deprecatedPublicUtils.js generated vendored Normal file
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'use strict';
var utils = require('./utils');
/**
* @deprecated
* This function will be removed in a future version without replacement.
*/
exports.string2binary = function(str) {
return utils.string2binary(str);
};
/**
* @deprecated
* This function will be removed in a future version without replacement.
*/
exports.string2Uint8Array = function(str) {
return utils.transformTo("uint8array", str);
};
/**
* @deprecated
* This function will be removed in a future version without replacement.
*/
exports.uint8Array2String = function(array) {
return utils.transformTo("string", array);
};
/**
* @deprecated
* This function will be removed in a future version without replacement.
*/
exports.string2Blob = function(str) {
var buffer = utils.transformTo("arraybuffer", str);
return utils.arrayBuffer2Blob(buffer);
};
/**
* @deprecated
* This function will be removed in a future version without replacement.
*/
exports.arrayBuffer2Blob = function(buffer) {
return utils.arrayBuffer2Blob(buffer);
};
/**
* @deprecated
* This function will be removed in a future version without replacement.
*/
exports.transformTo = function(outputType, input) {
return utils.transformTo(outputType, input);
};
/**
* @deprecated
* This function will be removed in a future version without replacement.
*/
exports.getTypeOf = function(input) {
return utils.getTypeOf(input);
};
/**
* @deprecated
* This function will be removed in a future version without replacement.
*/
exports.checkSupport = function(type) {
return utils.checkSupport(type);
};
/**
* @deprecated
* This value will be removed in a future version without replacement.
*/
exports.MAX_VALUE_16BITS = utils.MAX_VALUE_16BITS;
/**
* @deprecated
* This value will be removed in a future version without replacement.
*/
exports.MAX_VALUE_32BITS = utils.MAX_VALUE_32BITS;
/**
* @deprecated
* This function will be removed in a future version without replacement.
*/
exports.pretty = function(str) {
return utils.pretty(str);
};
/**
* @deprecated
* This function will be removed in a future version without replacement.
*/
exports.findCompression = function(compressionMethod) {
return utils.findCompression(compressionMethod);
};
/**
* @deprecated
* This function will be removed in a future version without replacement.
*/
exports.isRegExp = function (object) {
return utils.isRegExp(object);
};

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node_modules/jszip/lib/flate.js generated vendored Normal file
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'use strict';
var USE_TYPEDARRAY = (typeof Uint8Array !== 'undefined') && (typeof Uint16Array !== 'undefined') && (typeof Uint32Array !== 'undefined');
var pako = require("pako");
exports.uncompressInputType = USE_TYPEDARRAY ? "uint8array" : "array";
exports.compressInputType = USE_TYPEDARRAY ? "uint8array" : "array";
exports.magic = "\x08\x00";
exports.compress = function(input, compressionOptions) {
return pako.deflateRaw(input, {
level : compressionOptions.level || -1 // default compression
});
};
exports.uncompress = function(input) {
return pako.inflateRaw(input);
};

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node_modules/jszip/lib/index.js generated vendored Normal file
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'use strict';
var base64 = require('./base64');
/**
Usage:
zip = new JSZip();
zip.file("hello.txt", "Hello, World!").file("tempfile", "nothing");
zip.folder("images").file("smile.gif", base64Data, {base64: true});
zip.file("Xmas.txt", "Ho ho ho !", {date : new Date("December 25, 2007 00:00:01")});
zip.remove("tempfile");
base64zip = zip.generate();
**/
/**
* Representation a of zip file in js
* @constructor
* @param {String=|ArrayBuffer=|Uint8Array=} data the data to load, if any (optional).
* @param {Object=} options the options for creating this objects (optional).
*/
function JSZip(data, options) {
// if this constructor is used without `new`, it adds `new` before itself:
if(!(this instanceof JSZip)) return new JSZip(data, options);
// object containing the files :
// {
// "folder/" : {...},
// "folder/data.txt" : {...}
// }
this.files = {};
this.comment = null;
// Where we are in the hierarchy
this.root = "";
if (data) {
this.load(data, options);
}
this.clone = function() {
var newObj = new JSZip();
for (var i in this) {
if (typeof this[i] !== "function") {
newObj[i] = this[i];
}
}
return newObj;
};
}
JSZip.prototype = require('./object');
JSZip.prototype.load = require('./load');
JSZip.support = require('./support');
JSZip.defaults = require('./defaults');
/**
* @deprecated
* This namespace will be removed in a future version without replacement.
*/
JSZip.utils = require('./deprecatedPublicUtils');
JSZip.base64 = {
/**
* @deprecated
* This method will be removed in a future version without replacement.
*/
encode : function(input) {
return base64.encode(input);
},
/**
* @deprecated
* This method will be removed in a future version without replacement.
*/
decode : function(input) {
return base64.decode(input);
}
};
JSZip.compressions = require('./compressions');
module.exports = JSZip;

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node_modules/jszip/lib/license_header.js generated vendored Normal file
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/*!
JSZip - A Javascript class for generating and reading zip files
<http://stuartk.com/jszip>
(c) 2009-2014 Stuart Knightley <stuart [at] stuartk.com>
Dual licenced under the MIT license or GPLv3. See https://raw.github.com/Stuk/jszip/master/LICENSE.markdown.
JSZip uses the library pako released under the MIT license :
https://github.com/nodeca/pako/blob/master/LICENSE
*/

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node_modules/jszip/lib/load.js generated vendored Normal file
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'use strict';
var base64 = require('./base64');
var ZipEntries = require('./zipEntries');
module.exports = function(data, options) {
var files, zipEntries, i, input;
options = options || {};
if (options.base64) {
data = base64.decode(data);
}
zipEntries = new ZipEntries(data, options);
files = zipEntries.files;
for (i = 0; i < files.length; i++) {
input = files[i];
this.file(input.fileName, input.decompressed, {
binary: true,
optimizedBinaryString: true,
date: input.date,
dir: input.dir,
comment : input.fileComment.length ? input.fileComment : null,
unixPermissions : input.unixPermissions,
dosPermissions : input.dosPermissions,
createFolders: options.createFolders
});
}
if (zipEntries.zipComment.length) {
this.comment = zipEntries.zipComment;
}
return this;
};

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node_modules/jszip/lib/nodeBuffer.js generated vendored Normal file
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'use strict';
module.exports = function(data, encoding){
return new Buffer(data, encoding);
};
module.exports.test = function(b){
return Buffer.isBuffer(b);
};

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node_modules/jszip/lib/nodeBufferReader.js generated vendored Normal file
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'use strict';
var Uint8ArrayReader = require('./uint8ArrayReader');
function NodeBufferReader(data) {
this.data = data;
this.length = this.data.length;
this.index = 0;
}
NodeBufferReader.prototype = new Uint8ArrayReader();
/**
* @see DataReader.readData
*/
NodeBufferReader.prototype.readData = function(size) {
this.checkOffset(size);
var result = this.data.slice(this.index, this.index + size);
this.index += size;
return result;
};
module.exports = NodeBufferReader;

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node_modules/jszip/lib/object.js generated vendored Normal file
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'use strict';
var support = require('./support');
var utils = require('./utils');
var crc32 = require('./crc32');
var signature = require('./signature');
var defaults = require('./defaults');
var base64 = require('./base64');
var compressions = require('./compressions');
var CompressedObject = require('./compressedObject');
var nodeBuffer = require('./nodeBuffer');
var utf8 = require('./utf8');
var StringWriter = require('./stringWriter');
var Uint8ArrayWriter = require('./uint8ArrayWriter');
/**
* Returns the raw data of a ZipObject, decompress the content if necessary.
* @param {ZipObject} file the file to use.
* @return {String|ArrayBuffer|Uint8Array|Buffer} the data.
*/
var getRawData = function(file) {
if (file._data instanceof CompressedObject) {
file._data = file._data.getContent();
file.options.binary = true;
file.options.base64 = false;
if (utils.getTypeOf(file._data) === "uint8array") {
var copy = file._data;
// when reading an arraybuffer, the CompressedObject mechanism will keep it and subarray() a Uint8Array.
// if we request a file in the same format, we might get the same Uint8Array or its ArrayBuffer (the original zip file).
file._data = new Uint8Array(copy.length);
// with an empty Uint8Array, Opera fails with a "Offset larger than array size"
if (copy.length !== 0) {
file._data.set(copy, 0);
}
}
}
return file._data;
};
/**
* Returns the data of a ZipObject in a binary form. If the content is an unicode string, encode it.
* @param {ZipObject} file the file to use.
* @return {String|ArrayBuffer|Uint8Array|Buffer} the data.
*/
var getBinaryData = function(file) {
var result = getRawData(file),
type = utils.getTypeOf(result);
if (type === "string") {
if (!file.options.binary) {
// unicode text !
// unicode string => binary string is a painful process, check if we can avoid it.
if (support.nodebuffer) {
return nodeBuffer(result, "utf-8");
}
}
return file.asBinary();
}
return result;
};
/**
* Transform this._data into a string.
* @param {function} filter a function String -> String, applied if not null on the result.
* @return {String} the string representing this._data.
*/
var dataToString = function(asUTF8) {
var result = getRawData(this);
if (result === null || typeof result === "undefined") {
return "";
}
// if the data is a base64 string, we decode it before checking the encoding !
if (this.options.base64) {
result = base64.decode(result);
}
if (asUTF8 && this.options.binary) {
// JSZip.prototype.utf8decode supports arrays as input
// skip to array => string step, utf8decode will do it.
result = out.utf8decode(result);
}
else {
// no utf8 transformation, do the array => string step.
result = utils.transformTo("string", result);
}
if (!asUTF8 && !this.options.binary) {
result = utils.transformTo("string", out.utf8encode(result));
}
return result;
};
/**
* A simple object representing a file in the zip file.
* @constructor
* @param {string} name the name of the file
* @param {String|ArrayBuffer|Uint8Array|Buffer} data the data
* @param {Object} options the options of the file
*/
var ZipObject = function(name, data, options) {
this.name = name;
this.dir = options.dir;
this.date = options.date;
this.comment = options.comment;
this.unixPermissions = options.unixPermissions;
this.dosPermissions = options.dosPermissions;
this._data = data;
this.options = options;
/*
* This object contains initial values for dir and date.
* With them, we can check if the user changed the deprecated metadata in
* `ZipObject#options` or not.
*/
this._initialMetadata = {
dir : options.dir,
date : options.date
};
};
ZipObject.prototype = {
/**
* Return the content as UTF8 string.
* @return {string} the UTF8 string.
*/
asText: function() {
return dataToString.call(this, true);
},
/**
* Returns the binary content.
* @return {string} the content as binary.
*/
asBinary: function() {
return dataToString.call(this, false);
},
/**
* Returns the content as a nodejs Buffer.
* @return {Buffer} the content as a Buffer.
*/
asNodeBuffer: function() {
var result = getBinaryData(this);
return utils.transformTo("nodebuffer", result);
},
/**
* Returns the content as an Uint8Array.
* @return {Uint8Array} the content as an Uint8Array.
*/
asUint8Array: function() {
var result = getBinaryData(this);
return utils.transformTo("uint8array", result);
},
/**
* Returns the content as an ArrayBuffer.
* @return {ArrayBuffer} the content as an ArrayBufer.
*/
asArrayBuffer: function() {
return this.asUint8Array().buffer;
}
};
/**
* Transform an integer into a string in hexadecimal.
* @private
* @param {number} dec the number to convert.
* @param {number} bytes the number of bytes to generate.
* @returns {string} the result.
*/
var decToHex = function(dec, bytes) {
var hex = "",
i;
for (i = 0; i < bytes; i++) {
hex += String.fromCharCode(dec & 0xff);
dec = dec >>> 8;
}
return hex;
};
/**
* Merge the objects passed as parameters into a new one.
* @private
* @param {...Object} var_args All objects to merge.
* @return {Object} a new object with the data of the others.
*/
var extend = function() {
var result = {}, i, attr;
for (i = 0; i < arguments.length; i++) { // arguments is not enumerable in some browsers
for (attr in arguments[i]) {
if (arguments[i].hasOwnProperty(attr) && typeof result[attr] === "undefined") {
result[attr] = arguments[i][attr];
}
}
}
return result;
};
/**
* Transforms the (incomplete) options from the user into the complete
* set of options to create a file.
* @private
* @param {Object} o the options from the user.
* @return {Object} the complete set of options.
*/
var prepareFileAttrs = function(o) {
o = o || {};
if (o.base64 === true && (o.binary === null || o.binary === undefined)) {
o.binary = true;
}
o = extend(o, defaults);
o.date = o.date || new Date();
if (o.compression !== null) o.compression = o.compression.toUpperCase();
return o;
};
/**
* Add a file in the current folder.
* @private
* @param {string} name the name of the file
* @param {String|ArrayBuffer|Uint8Array|Buffer} data the data of the file
* @param {Object} o the options of the file
* @return {Object} the new file.
*/
var fileAdd = function(name, data, o) {
// be sure sub folders exist
var dataType = utils.getTypeOf(data),
parent;
o = prepareFileAttrs(o);
if (typeof o.unixPermissions === "string") {
o.unixPermissions = parseInt(o.unixPermissions, 8);
}
// UNX_IFDIR 0040000 see zipinfo.c
if (o.unixPermissions && (o.unixPermissions & 0x4000)) {
o.dir = true;
}
// Bit 4 Directory
if (o.dosPermissions && (o.dosPermissions & 0x0010)) {
o.dir = true;
}
if (o.dir) {
name = forceTrailingSlash(name);
}
if (o.createFolders && (parent = parentFolder(name))) {
folderAdd.call(this, parent, true);
}
if (o.dir || data === null || typeof data === "undefined") {
o.base64 = false;
o.binary = false;
data = null;
dataType = null;
}
else if (dataType === "string") {
if (o.binary && !o.base64) {
// optimizedBinaryString == true means that the file has already been filtered with a 0xFF mask
if (o.optimizedBinaryString !== true) {
// this is a string, not in a base64 format.
// Be sure that this is a correct "binary string"
data = utils.string2binary(data);
}
}
}
else { // arraybuffer, uint8array, ...
o.base64 = false;
o.binary = true;
if (!dataType && !(data instanceof CompressedObject)) {
throw new Error("The data of '" + name + "' is in an unsupported format !");
}
// special case : it's way easier to work with Uint8Array than with ArrayBuffer
if (dataType === "arraybuffer") {
data = utils.transformTo("uint8array", data);
}
}
var object = new ZipObject(name, data, o);
this.files[name] = object;
return object;
};
/**
* Find the parent folder of the path.
* @private
* @param {string} path the path to use
* @return {string} the parent folder, or ""
*/
var parentFolder = function (path) {
if (path.slice(-1) == '/') {
path = path.substring(0, path.length - 1);
}
var lastSlash = path.lastIndexOf('/');
return (lastSlash > 0) ? path.substring(0, lastSlash) : "";
};
/**
* Returns the path with a slash at the end.
* @private
* @param {String} path the path to check.
* @return {String} the path with a trailing slash.
*/
var forceTrailingSlash = function(path) {
// Check the name ends with a /
if (path.slice(-1) != "/") {
path += "/"; // IE doesn't like substr(-1)
}
return path;
};
/**
* Add a (sub) folder in the current folder.
* @private
* @param {string} name the folder's name
* @param {boolean=} [createFolders] If true, automatically create sub
* folders. Defaults to false.
* @return {Object} the new folder.
*/
var folderAdd = function(name, createFolders) {
createFolders = (typeof createFolders !== 'undefined') ? createFolders : false;
name = forceTrailingSlash(name);
// Does this folder already exist?
if (!this.files[name]) {
fileAdd.call(this, name, null, {
dir: true,
createFolders: createFolders
});
}
return this.files[name];
};
/**
* Generate a JSZip.CompressedObject for a given zipOject.
* @param {ZipObject} file the object to read.
* @param {JSZip.compression} compression the compression to use.
* @param {Object} compressionOptions the options to use when compressing.
* @return {JSZip.CompressedObject} the compressed result.
*/
var generateCompressedObjectFrom = function(file, compression, compressionOptions) {
var result = new CompressedObject(),
content;
// the data has not been decompressed, we might reuse things !
if (file._data instanceof CompressedObject) {
result.uncompressedSize = file._data.uncompressedSize;
result.crc32 = file._data.crc32;
if (result.uncompressedSize === 0 || file.dir) {
compression = compressions['STORE'];
result.compressedContent = "";
result.crc32 = 0;
}
else if (file._data.compressionMethod === compression.magic) {
result.compressedContent = file._data.getCompressedContent();
}
else {
content = file._data.getContent();
// need to decompress / recompress
result.compressedContent = compression.compress(utils.transformTo(compression.compressInputType, content), compressionOptions);
}
}
else {
// have uncompressed data
content = getBinaryData(file);
if (!content || content.length === 0 || file.dir) {
compression = compressions['STORE'];
content = "";
}
result.uncompressedSize = content.length;
result.crc32 = crc32(content);
result.compressedContent = compression.compress(utils.transformTo(compression.compressInputType, content), compressionOptions);
}
result.compressedSize = result.compressedContent.length;
result.compressionMethod = compression.magic;
return result;
};
/**
* Generate the UNIX part of the external file attributes.
* @param {Object} unixPermissions the unix permissions or null.
* @param {Boolean} isDir true if the entry is a directory, false otherwise.
* @return {Number} a 32 bit integer.
*
* adapted from http://unix.stackexchange.com/questions/14705/the-zip-formats-external-file-attribute :
*
* TTTTsstrwxrwxrwx0000000000ADVSHR
* ^^^^____________________________ file type, see zipinfo.c (UNX_*)
* ^^^_________________________ setuid, setgid, sticky
* ^^^^^^^^^________________ permissions
* ^^^^^^^^^^______ not used ?
* ^^^^^^ DOS attribute bits : Archive, Directory, Volume label, System file, Hidden, Read only
*/
var generateUnixExternalFileAttr = function (unixPermissions, isDir) {
var result = unixPermissions;
if (!unixPermissions) {
// I can't use octal values in strict mode, hence the hexa.
// 040775 => 0x41fd
// 0100664 => 0x81b4
result = isDir ? 0x41fd : 0x81b4;
}
return (result & 0xFFFF) << 16;
};
/**
* Generate the DOS part of the external file attributes.
* @param {Object} dosPermissions the dos permissions or null.
* @param {Boolean} isDir true if the entry is a directory, false otherwise.
* @return {Number} a 32 bit integer.
*
* Bit 0 Read-Only
* Bit 1 Hidden
* Bit 2 System
* Bit 3 Volume Label
* Bit 4 Directory
* Bit 5 Archive
*/
var generateDosExternalFileAttr = function (dosPermissions, isDir) {
// the dir flag is already set for compatibility
return (dosPermissions || 0) & 0x3F;
};
/**
* Generate the various parts used in the construction of the final zip file.
* @param {string} name the file name.
* @param {ZipObject} file the file content.
* @param {JSZip.CompressedObject} compressedObject the compressed object.
* @param {number} offset the current offset from the start of the zip file.
* @param {String} platform let's pretend we are this platform (change platform dependents fields)
* @return {object} the zip parts.
*/
var generateZipParts = function(name, file, compressedObject, offset, platform) {
var data = compressedObject.compressedContent,
utfEncodedFileName = utils.transformTo("string", utf8.utf8encode(file.name)),
comment = file.comment || "",
utfEncodedComment = utils.transformTo("string", utf8.utf8encode(comment)),
useUTF8ForFileName = utfEncodedFileName.length !== file.name.length,
useUTF8ForComment = utfEncodedComment.length !== comment.length,
o = file.options,
dosTime,
dosDate,
extraFields = "",
unicodePathExtraField = "",
unicodeCommentExtraField = "",
dir, date;
// handle the deprecated options.dir
if (file._initialMetadata.dir !== file.dir) {
dir = file.dir;
} else {
dir = o.dir;
}
// handle the deprecated options.date
if(file._initialMetadata.date !== file.date) {
date = file.date;
} else {
date = o.date;
}
var extFileAttr = 0;
var versionMadeBy = 0;
if (dir) {
// dos or unix, we set the dos dir flag
extFileAttr |= 0x00010;
}
if(platform === "UNIX") {
versionMadeBy = 0x031E; // UNIX, version 3.0
extFileAttr |= generateUnixExternalFileAttr(file.unixPermissions, dir);
} else { // DOS or other, fallback to DOS
versionMadeBy = 0x0014; // DOS, version 2.0
extFileAttr |= generateDosExternalFileAttr(file.dosPermissions, dir);
}
// date
// @see http://www.delorie.com/djgpp/doc/rbinter/it/52/13.html
// @see http://www.delorie.com/djgpp/doc/rbinter/it/65/16.html
// @see http://www.delorie.com/djgpp/doc/rbinter/it/66/16.html
dosTime = date.getHours();
dosTime = dosTime << 6;
dosTime = dosTime | date.getMinutes();
dosTime = dosTime << 5;
dosTime = dosTime | date.getSeconds() / 2;
dosDate = date.getFullYear() - 1980;
dosDate = dosDate << 4;
dosDate = dosDate | (date.getMonth() + 1);
dosDate = dosDate << 5;
dosDate = dosDate | date.getDate();
if (useUTF8ForFileName) {
// set the unicode path extra field. unzip needs at least one extra
// field to correctly handle unicode path, so using the path is as good
// as any other information. This could improve the situation with
// other archive managers too.
// This field is usually used without the utf8 flag, with a non
// unicode path in the header (winrar, winzip). This helps (a bit)
// with the messy Windows' default compressed folders feature but
// breaks on p7zip which doesn't seek the unicode path extra field.
// So for now, UTF-8 everywhere !
unicodePathExtraField =
// Version
decToHex(1, 1) +
// NameCRC32
decToHex(crc32(utfEncodedFileName), 4) +
// UnicodeName
utfEncodedFileName;
extraFields +=
// Info-ZIP Unicode Path Extra Field
"\x75\x70" +
// size
decToHex(unicodePathExtraField.length, 2) +
// content
unicodePathExtraField;
}
if(useUTF8ForComment) {
unicodeCommentExtraField =
// Version
decToHex(1, 1) +
// CommentCRC32
decToHex(this.crc32(utfEncodedComment), 4) +
// UnicodeName
utfEncodedComment;
extraFields +=
// Info-ZIP Unicode Path Extra Field
"\x75\x63" +
// size
decToHex(unicodeCommentExtraField.length, 2) +
// content
unicodeCommentExtraField;
}
var header = "";
// version needed to extract
header += "\x0A\x00";
// general purpose bit flag
// set bit 11 if utf8
header += (useUTF8ForFileName || useUTF8ForComment) ? "\x00\x08" : "\x00\x00";
// compression method
header += compressedObject.compressionMethod;
// last mod file time
header += decToHex(dosTime, 2);
// last mod file date
header += decToHex(dosDate, 2);
// crc-32
header += decToHex(compressedObject.crc32, 4);
// compressed size
header += decToHex(compressedObject.compressedSize, 4);
// uncompressed size
header += decToHex(compressedObject.uncompressedSize, 4);
// file name length
header += decToHex(utfEncodedFileName.length, 2);
// extra field length
header += decToHex(extraFields.length, 2);
var fileRecord = signature.LOCAL_FILE_HEADER + header + utfEncodedFileName + extraFields;
var dirRecord = signature.CENTRAL_FILE_HEADER +
// version made by (00: DOS)
decToHex(versionMadeBy, 2) +
// file header (common to file and central directory)
header +
// file comment length
decToHex(utfEncodedComment.length, 2) +
// disk number start
"\x00\x00" +
// internal file attributes TODO
"\x00\x00" +
// external file attributes
decToHex(extFileAttr, 4) +
// relative offset of local header
decToHex(offset, 4) +
// file name
utfEncodedFileName +
// extra field
extraFields +
// file comment
utfEncodedComment;
return {
fileRecord: fileRecord,
dirRecord: dirRecord,
compressedObject: compressedObject
};
};
// return the actual prototype of JSZip
var out = {
/**
* Read an existing zip and merge the data in the current JSZip object.
* The implementation is in jszip-load.js, don't forget to include it.
* @param {String|ArrayBuffer|Uint8Array|Buffer} stream The stream to load
* @param {Object} options Options for loading the stream.
* options.base64 : is the stream in base64 ? default : false
* @return {JSZip} the current JSZip object
*/
load: function(stream, options) {
throw new Error("Load method is not defined. Is the file jszip-load.js included ?");
},
/**
* Filter nested files/folders with the specified function.
* @param {Function} search the predicate to use :
* function (relativePath, file) {...}
* It takes 2 arguments : the relative path and the file.
* @return {Array} An array of matching elements.
*/
filter: function(search) {
var result = [],
filename, relativePath, file, fileClone;
for (filename in this.files) {
if (!this.files.hasOwnProperty(filename)) {
continue;
}
file = this.files[filename];
// return a new object, don't let the user mess with our internal objects :)
fileClone = new ZipObject(file.name, file._data, extend(file.options));
relativePath = filename.slice(this.root.length, filename.length);
if (filename.slice(0, this.root.length) === this.root && // the file is in the current root
search(relativePath, fileClone)) { // and the file matches the function
result.push(fileClone);
}
}
return result;
},
/**
* Add a file to the zip file, or search a file.
* @param {string|RegExp} name The name of the file to add (if data is defined),
* the name of the file to find (if no data) or a regex to match files.
* @param {String|ArrayBuffer|Uint8Array|Buffer} data The file data, either raw or base64 encoded
* @param {Object} o File options
* @return {JSZip|Object|Array} this JSZip object (when adding a file),
* a file (when searching by string) or an array of files (when searching by regex).
*/
file: function(name, data, o) {
if (arguments.length === 1) {
if (utils.isRegExp(name)) {
var regexp = name;
return this.filter(function(relativePath, file) {
return !file.dir && regexp.test(relativePath);
});
}
else { // text
return this.filter(function(relativePath, file) {
return !file.dir && relativePath === name;
})[0] || null;
}
}
else { // more than one argument : we have data !
name = this.root + name;
fileAdd.call(this, name, data, o);
}
return this;
},
/**
* Add a directory to the zip file, or search.
* @param {String|RegExp} arg The name of the directory to add, or a regex to search folders.
* @return {JSZip} an object with the new directory as the root, or an array containing matching folders.
*/
folder: function(arg) {
if (!arg) {
return this;
}
if (utils.isRegExp(arg)) {
return this.filter(function(relativePath, file) {
return file.dir && arg.test(relativePath);
});
}
// else, name is a new folder
var name = this.root + arg;
var newFolder = folderAdd.call(this, name);
// Allow chaining by returning a new object with this folder as the root
var ret = this.clone();
ret.root = newFolder.name;
return ret;
},
/**
* Delete a file, or a directory and all sub-files, from the zip
* @param {string} name the name of the file to delete
* @return {JSZip} this JSZip object
*/
remove: function(name) {
name = this.root + name;
var file = this.files[name];
if (!file) {
// Look for any folders
if (name.slice(-1) != "/") {
name += "/";
}
file = this.files[name];
}
if (file && !file.dir) {
// file
delete this.files[name];
} else {
// maybe a folder, delete recursively
var kids = this.filter(function(relativePath, file) {
return file.name.slice(0, name.length) === name;
});
for (var i = 0; i < kids.length; i++) {
delete this.files[kids[i].name];
}
}
return this;
},
/**
* Generate the complete zip file
* @param {Object} options the options to generate the zip file :
* - base64, (deprecated, use type instead) true to generate base64.
* - compression, "STORE" by default.
* - type, "base64" by default. Values are : string, base64, uint8array, arraybuffer, blob.
* @return {String|Uint8Array|ArrayBuffer|Buffer|Blob} the zip file
*/
generate: function(options) {
options = extend(options || {}, {
base64: true,
compression: "STORE",
compressionOptions : null,
type: "base64",
platform: "DOS",
comment: null,
mimeType: 'application/zip'
});
utils.checkSupport(options.type);
// accept nodejs `process.platform`
if(
options.platform === 'darwin' ||
options.platform === 'freebsd' ||
options.platform === 'linux' ||
options.platform === 'sunos'
) {
options.platform = "UNIX";
}
if (options.platform === 'win32') {
options.platform = "DOS";
}
var zipData = [],
localDirLength = 0,
centralDirLength = 0,
writer, i,
utfEncodedComment = utils.transformTo("string", this.utf8encode(options.comment || this.comment || ""));
// first, generate all the zip parts.
for (var name in this.files) {
if (!this.files.hasOwnProperty(name)) {
continue;
}
var file = this.files[name];
var compressionName = file.options.compression || options.compression.toUpperCase();
var compression = compressions[compressionName];
if (!compression) {
throw new Error(compressionName + " is not a valid compression method !");
}
var compressionOptions = file.options.compressionOptions || options.compressionOptions || {};
var compressedObject = generateCompressedObjectFrom.call(this, file, compression, compressionOptions);
var zipPart = generateZipParts.call(this, name, file, compressedObject, localDirLength, options.platform);
localDirLength += zipPart.fileRecord.length + compressedObject.compressedSize;
centralDirLength += zipPart.dirRecord.length;
zipData.push(zipPart);
}
var dirEnd = "";
// end of central dir signature
dirEnd = signature.CENTRAL_DIRECTORY_END +
// number of this disk
"\x00\x00" +
// number of the disk with the start of the central directory
"\x00\x00" +
// total number of entries in the central directory on this disk
decToHex(zipData.length, 2) +
// total number of entries in the central directory
decToHex(zipData.length, 2) +
// size of the central directory 4 bytes
decToHex(centralDirLength, 4) +
// offset of start of central directory with respect to the starting disk number
decToHex(localDirLength, 4) +
// .ZIP file comment length
decToHex(utfEncodedComment.length, 2) +
// .ZIP file comment
utfEncodedComment;
// we have all the parts (and the total length)
// time to create a writer !
var typeName = options.type.toLowerCase();
if(typeName==="uint8array"||typeName==="arraybuffer"||typeName==="blob"||typeName==="nodebuffer") {
writer = new Uint8ArrayWriter(localDirLength + centralDirLength + dirEnd.length);
}else{
writer = new StringWriter(localDirLength + centralDirLength + dirEnd.length);
}
for (i = 0; i < zipData.length; i++) {
writer.append(zipData[i].fileRecord);
writer.append(zipData[i].compressedObject.compressedContent);
}
for (i = 0; i < zipData.length; i++) {
writer.append(zipData[i].dirRecord);
}
writer.append(dirEnd);
var zip = writer.finalize();
switch(options.type.toLowerCase()) {
// case "zip is an Uint8Array"
case "uint8array" :
case "arraybuffer" :
case "nodebuffer" :
return utils.transformTo(options.type.toLowerCase(), zip);
case "blob" :
return utils.arrayBuffer2Blob(utils.transformTo("arraybuffer", zip), options.mimeType);
// case "zip is a string"
case "base64" :
return (options.base64) ? base64.encode(zip) : zip;
default : // case "string" :
return zip;
}
},
/**
* @deprecated
* This method will be removed in a future version without replacement.
*/
crc32: function (input, crc) {
return crc32(input, crc);
},
/**
* @deprecated
* This method will be removed in a future version without replacement.
*/
utf8encode: function (string) {
return utils.transformTo("string", utf8.utf8encode(string));
},
/**
* @deprecated
* This method will be removed in a future version without replacement.
*/
utf8decode: function (input) {
return utf8.utf8decode(input);
}
};
module.exports = out;

7
node_modules/jszip/lib/signature.js generated vendored Normal file
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'use strict';
exports.LOCAL_FILE_HEADER = "PK\x03\x04";
exports.CENTRAL_FILE_HEADER = "PK\x01\x02";
exports.CENTRAL_DIRECTORY_END = "PK\x05\x06";
exports.ZIP64_CENTRAL_DIRECTORY_LOCATOR = "PK\x06\x07";
exports.ZIP64_CENTRAL_DIRECTORY_END = "PK\x06\x06";
exports.DATA_DESCRIPTOR = "PK\x07\x08";

36
node_modules/jszip/lib/stringReader.js generated vendored Normal file
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'use strict';
var DataReader = require('./dataReader');
var utils = require('./utils');
function StringReader(data, optimizedBinaryString) {
this.data = data;
if (!optimizedBinaryString) {
this.data = utils.string2binary(this.data);
}
this.length = this.data.length;
this.index = 0;
}
StringReader.prototype = new DataReader();
/**
* @see DataReader.byteAt
*/
StringReader.prototype.byteAt = function(i) {
return this.data.charCodeAt(i);
};
/**
* @see DataReader.lastIndexOfSignature
*/
StringReader.prototype.lastIndexOfSignature = function(sig) {
return this.data.lastIndexOf(sig);
};
/**
* @see DataReader.readData
*/
StringReader.prototype.readData = function(size) {
this.checkOffset(size);
// this will work because the constructor applied the "& 0xff" mask.
var result = this.data.slice(this.index, this.index + size);
this.index += size;
return result;
};
module.exports = StringReader;

30
node_modules/jszip/lib/stringWriter.js generated vendored Normal file
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'use strict';
var utils = require('./utils');
/**
* An object to write any content to a string.
* @constructor
*/
var StringWriter = function() {
this.data = [];
};
StringWriter.prototype = {
/**
* Append any content to the current string.
* @param {Object} input the content to add.
*/
append: function(input) {
input = utils.transformTo("string", input);
this.data.push(input);
},
/**
* Finalize the construction an return the result.
* @return {string} the generated string.
*/
finalize: function() {
return this.data.join("");
}
};
module.exports = StringWriter;

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node_modules/jszip/lib/support.js generated vendored Normal file
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'use strict';
exports.base64 = true;
exports.array = true;
exports.string = true;
exports.arraybuffer = typeof ArrayBuffer !== "undefined" && typeof Uint8Array !== "undefined";
// contains true if JSZip can read/generate nodejs Buffer, false otherwise.
// Browserify will provide a Buffer implementation for browsers, which is
// an augmented Uint8Array (i.e., can be used as either Buffer or U8).
exports.nodebuffer = typeof Buffer !== "undefined";
// contains true if JSZip can read/generate Uint8Array, false otherwise.
exports.uint8array = typeof Uint8Array !== "undefined";
if (typeof ArrayBuffer === "undefined") {
exports.blob = false;
}
else {
var buffer = new ArrayBuffer(0);
try {
exports.blob = new Blob([buffer], {
type: "application/zip"
}).size === 0;
}
catch (e) {
try {
var Builder = window.BlobBuilder || window.WebKitBlobBuilder || window.MozBlobBuilder || window.MSBlobBuilder;
var builder = new Builder();
builder.append(buffer);
exports.blob = builder.getBlob('application/zip').size === 0;
}
catch (e) {
exports.blob = false;
}
}
}

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node_modules/jszip/lib/uint8ArrayReader.js generated vendored Normal file
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'use strict';
var DataReader = require('./dataReader');
function Uint8ArrayReader(data) {
if (data) {
this.data = data;
this.length = this.data.length;
this.index = 0;
}
}
Uint8ArrayReader.prototype = new DataReader();
/**
* @see DataReader.byteAt
*/
Uint8ArrayReader.prototype.byteAt = function(i) {
return this.data[i];
};
/**
* @see DataReader.lastIndexOfSignature
*/
Uint8ArrayReader.prototype.lastIndexOfSignature = function(sig) {
var sig0 = sig.charCodeAt(0),
sig1 = sig.charCodeAt(1),
sig2 = sig.charCodeAt(2),
sig3 = sig.charCodeAt(3);
for (var i = this.length - 4; i >= 0; --i) {
if (this.data[i] === sig0 && this.data[i + 1] === sig1 && this.data[i + 2] === sig2 && this.data[i + 3] === sig3) {
return i;
}
}
return -1;
};
/**
* @see DataReader.readData
*/
Uint8ArrayReader.prototype.readData = function(size) {
this.checkOffset(size);
if(size === 0) {
// in IE10, when using subarray(idx, idx), we get the array [0x00] instead of [].
return new Uint8Array(0);
}
var result = this.data.subarray(this.index, this.index + size);
this.index += size;
return result;
};
module.exports = Uint8ArrayReader;

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node_modules/jszip/lib/uint8ArrayWriter.js generated vendored Normal file
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'use strict';
var utils = require('./utils');
/**
* An object to write any content to an Uint8Array.
* @constructor
* @param {number} length The length of the array.
*/
var Uint8ArrayWriter = function(length) {
this.data = new Uint8Array(length);
this.index = 0;
};
Uint8ArrayWriter.prototype = {
/**
* Append any content to the current array.
* @param {Object} input the content to add.
*/
append: function(input) {
if (input.length !== 0) {
// with an empty Uint8Array, Opera fails with a "Offset larger than array size"
input = utils.transformTo("uint8array", input);
this.data.set(input, this.index);
this.index += input.length;
}
},
/**
* Finalize the construction an return the result.
* @return {Uint8Array} the generated array.
*/
finalize: function() {
return this.data;
}
};
module.exports = Uint8ArrayWriter;

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node_modules/jszip/lib/utf8.js generated vendored Normal file
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'use strict';
var utils = require('./utils');
var support = require('./support');
var nodeBuffer = require('./nodeBuffer');
/**
* The following functions come from pako, from pako/lib/utils/strings
* released under the MIT license, see pako https://github.com/nodeca/pako/
*/
// Table with utf8 lengths (calculated by first byte of sequence)
// Note, that 5 & 6-byte values and some 4-byte values can not be represented in JS,
// because max possible codepoint is 0x10ffff
var _utf8len = new Array(256);
for (var i=0; i<256; i++) {
_utf8len[i] = (i >= 252 ? 6 : i >= 248 ? 5 : i >= 240 ? 4 : i >= 224 ? 3 : i >= 192 ? 2 : 1);
}
_utf8len[254]=_utf8len[254]=1; // Invalid sequence start
// convert string to array (typed, when possible)
var string2buf = function (str) {
var buf, c, c2, m_pos, i, str_len = str.length, buf_len = 0;
// count binary size
for (m_pos = 0; m_pos < str_len; m_pos++) {
c = str.charCodeAt(m_pos);
if ((c & 0xfc00) === 0xd800 && (m_pos+1 < str_len)) {
c2 = str.charCodeAt(m_pos+1);
if ((c2 & 0xfc00) === 0xdc00) {
c = 0x10000 + ((c - 0xd800) << 10) + (c2 - 0xdc00);
m_pos++;
}
}
buf_len += c < 0x80 ? 1 : c < 0x800 ? 2 : c < 0x10000 ? 3 : 4;
}
// allocate buffer
if (support.uint8array) {
buf = new Uint8Array(buf_len);
} else {
buf = new Array(buf_len);
}
// convert
for (i=0, m_pos = 0; i < buf_len; m_pos++) {
c = str.charCodeAt(m_pos);
if ((c & 0xfc00) === 0xd800 && (m_pos+1 < str_len)) {
c2 = str.charCodeAt(m_pos+1);
if ((c2 & 0xfc00) === 0xdc00) {
c = 0x10000 + ((c - 0xd800) << 10) + (c2 - 0xdc00);
m_pos++;
}
}
if (c < 0x80) {
/* one byte */
buf[i++] = c;
} else if (c < 0x800) {
/* two bytes */
buf[i++] = 0xC0 | (c >>> 6);
buf[i++] = 0x80 | (c & 0x3f);
} else if (c < 0x10000) {
/* three bytes */
buf[i++] = 0xE0 | (c >>> 12);
buf[i++] = 0x80 | (c >>> 6 & 0x3f);
buf[i++] = 0x80 | (c & 0x3f);
} else {
/* four bytes */
buf[i++] = 0xf0 | (c >>> 18);
buf[i++] = 0x80 | (c >>> 12 & 0x3f);
buf[i++] = 0x80 | (c >>> 6 & 0x3f);
buf[i++] = 0x80 | (c & 0x3f);
}
}
return buf;
};
// Calculate max possible position in utf8 buffer,
// that will not break sequence. If that's not possible
// - (very small limits) return max size as is.
//
// buf[] - utf8 bytes array
// max - length limit (mandatory);
var utf8border = function(buf, max) {
var pos;
max = max || buf.length;
if (max > buf.length) { max = buf.length; }
// go back from last position, until start of sequence found
pos = max-1;
while (pos >= 0 && (buf[pos] & 0xC0) === 0x80) { pos--; }
// Fuckup - very small and broken sequence,
// return max, because we should return something anyway.
if (pos < 0) { return max; }
// If we came to start of buffer - that means vuffer is too small,
// return max too.
if (pos === 0) { return max; }
return (pos + _utf8len[buf[pos]] > max) ? pos : max;
};
// convert array to string
var buf2string = function (buf) {
var str, i, out, c, c_len;
var len = buf.length;
// Reserve max possible length (2 words per char)
// NB: by unknown reasons, Array is significantly faster for
// String.fromCharCode.apply than Uint16Array.
var utf16buf = new Array(len*2);
for (out=0, i=0; i<len;) {
c = buf[i++];
// quick process ascii
if (c < 0x80) { utf16buf[out++] = c; continue; }
c_len = _utf8len[c];
// skip 5 & 6 byte codes
if (c_len > 4) { utf16buf[out++] = 0xfffd; i += c_len-1; continue; }
// apply mask on first byte
c &= c_len === 2 ? 0x1f : c_len === 3 ? 0x0f : 0x07;
// join the rest
while (c_len > 1 && i < len) {
c = (c << 6) | (buf[i++] & 0x3f);
c_len--;
}
// terminated by end of string?
if (c_len > 1) { utf16buf[out++] = 0xfffd; continue; }
if (c < 0x10000) {
utf16buf[out++] = c;
} else {
c -= 0x10000;
utf16buf[out++] = 0xd800 | ((c >> 10) & 0x3ff);
utf16buf[out++] = 0xdc00 | (c & 0x3ff);
}
}
// shrinkBuf(utf16buf, out)
if (utf16buf.length !== out) {
if(utf16buf.subarray) {
utf16buf = utf16buf.subarray(0, out);
} else {
utf16buf.length = out;
}
}
// return String.fromCharCode.apply(null, utf16buf);
return utils.applyFromCharCode(utf16buf);
};
// That's all for the pako functions.
/**
* Transform a javascript string into an array (typed if possible) of bytes,
* UTF-8 encoded.
* @param {String} str the string to encode
* @return {Array|Uint8Array|Buffer} the UTF-8 encoded string.
*/
exports.utf8encode = function utf8encode(str) {
if (support.nodebuffer) {
return nodeBuffer(str, "utf-8");
}
return string2buf(str);
};
/**
* Transform a bytes array (or a representation) representing an UTF-8 encoded
* string into a javascript string.
* @param {Array|Uint8Array|Buffer} buf the data de decode
* @return {String} the decoded string.
*/
exports.utf8decode = function utf8decode(buf) {
if (support.nodebuffer) {
return utils.transformTo("nodebuffer", buf).toString("utf-8");
}
buf = utils.transformTo(support.uint8array ? "uint8array" : "array", buf);
// return buf2string(buf);
// Chrome prefers to work with "small" chunks of data
// for the method buf2string.
// Firefox and Chrome has their own shortcut, IE doesn't seem to really care.
var result = [], k = 0, len = buf.length, chunk = 65536;
while (k < len) {
var nextBoundary = utf8border(buf, Math.min(k + chunk, len));
if (support.uint8array) {
result.push(buf2string(buf.subarray(k, nextBoundary)));
} else {
result.push(buf2string(buf.slice(k, nextBoundary)));
}
k = nextBoundary;
}
return result.join("");
};
// vim: set shiftwidth=4 softtabstop=4:

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'use strict';
var support = require('./support');
var compressions = require('./compressions');
var nodeBuffer = require('./nodeBuffer');
/**
* Convert a string to a "binary string" : a string containing only char codes between 0 and 255.
* @param {string} str the string to transform.
* @return {String} the binary string.
*/
exports.string2binary = function(str) {
var result = "";
for (var i = 0; i < str.length; i++) {
result += String.fromCharCode(str.charCodeAt(i) & 0xff);
}
return result;
};
exports.arrayBuffer2Blob = function(buffer, mimeType) {
exports.checkSupport("blob");
mimeType = mimeType || 'application/zip';
try {
// Blob constructor
return new Blob([buffer], {
type: mimeType
});
}
catch (e) {
try {
// deprecated, browser only, old way
var Builder = window.BlobBuilder || window.WebKitBlobBuilder || window.MozBlobBuilder || window.MSBlobBuilder;
var builder = new Builder();
builder.append(buffer);
return builder.getBlob(mimeType);
}
catch (e) {
// well, fuck ?!
throw new Error("Bug : can't construct the Blob.");
}
}
};
/**
* The identity function.
* @param {Object} input the input.
* @return {Object} the same input.
*/
function identity(input) {
return input;
}
/**
* Fill in an array with a string.
* @param {String} str the string to use.
* @param {Array|ArrayBuffer|Uint8Array|Buffer} array the array to fill in (will be mutated).
* @return {Array|ArrayBuffer|Uint8Array|Buffer} the updated array.
*/
function stringToArrayLike(str, array) {
for (var i = 0; i < str.length; ++i) {
array[i] = str.charCodeAt(i) & 0xFF;
}
return array;
}
/**
* Transform an array-like object to a string.
* @param {Array|ArrayBuffer|Uint8Array|Buffer} array the array to transform.
* @return {String} the result.
*/
function arrayLikeToString(array) {
// Performances notes :
// --------------------
// String.fromCharCode.apply(null, array) is the fastest, see
// see http://jsperf.com/converting-a-uint8array-to-a-string/2
// but the stack is limited (and we can get huge arrays !).
//
// result += String.fromCharCode(array[i]); generate too many strings !
//
// This code is inspired by http://jsperf.com/arraybuffer-to-string-apply-performance/2
var chunk = 65536;
var result = [],
len = array.length,
type = exports.getTypeOf(array),
k = 0,
canUseApply = true;
try {
switch(type) {
case "uint8array":
String.fromCharCode.apply(null, new Uint8Array(0));
break;
case "nodebuffer":
String.fromCharCode.apply(null, nodeBuffer(0));
break;
}
} catch(e) {
canUseApply = false;
}
// no apply : slow and painful algorithm
// default browser on android 4.*
if (!canUseApply) {
var resultStr = "";
for(var i = 0; i < array.length;i++) {
resultStr += String.fromCharCode(array[i]);
}
return resultStr;
}
while (k < len && chunk > 1) {
try {
if (type === "array" || type === "nodebuffer") {
result.push(String.fromCharCode.apply(null, array.slice(k, Math.min(k + chunk, len))));
}
else {
result.push(String.fromCharCode.apply(null, array.subarray(k, Math.min(k + chunk, len))));
}
k += chunk;
}
catch (e) {
chunk = Math.floor(chunk / 2);
}
}
return result.join("");
}
exports.applyFromCharCode = arrayLikeToString;
/**
* Copy the data from an array-like to an other array-like.
* @param {Array|ArrayBuffer|Uint8Array|Buffer} arrayFrom the origin array.
* @param {Array|ArrayBuffer|Uint8Array|Buffer} arrayTo the destination array which will be mutated.
* @return {Array|ArrayBuffer|Uint8Array|Buffer} the updated destination array.
*/
function arrayLikeToArrayLike(arrayFrom, arrayTo) {
for (var i = 0; i < arrayFrom.length; i++) {
arrayTo[i] = arrayFrom[i];
}
return arrayTo;
}
// a matrix containing functions to transform everything into everything.
var transform = {};
// string to ?
transform["string"] = {
"string": identity,
"array": function(input) {
return stringToArrayLike(input, new Array(input.length));
},
"arraybuffer": function(input) {
return transform["string"]["uint8array"](input).buffer;
},
"uint8array": function(input) {
return stringToArrayLike(input, new Uint8Array(input.length));
},
"nodebuffer": function(input) {
return stringToArrayLike(input, nodeBuffer(input.length));
}
};
// array to ?
transform["array"] = {
"string": arrayLikeToString,
"array": identity,
"arraybuffer": function(input) {
return (new Uint8Array(input)).buffer;
},
"uint8array": function(input) {
return new Uint8Array(input);
},
"nodebuffer": function(input) {
return nodeBuffer(input);
}
};
// arraybuffer to ?
transform["arraybuffer"] = {
"string": function(input) {
return arrayLikeToString(new Uint8Array(input));
},
"array": function(input) {
return arrayLikeToArrayLike(new Uint8Array(input), new Array(input.byteLength));
},
"arraybuffer": identity,
"uint8array": function(input) {
return new Uint8Array(input);
},
"nodebuffer": function(input) {
return nodeBuffer(new Uint8Array(input));
}
};
// uint8array to ?
transform["uint8array"] = {
"string": arrayLikeToString,
"array": function(input) {
return arrayLikeToArrayLike(input, new Array(input.length));
},
"arraybuffer": function(input) {
return input.buffer;
},
"uint8array": identity,
"nodebuffer": function(input) {
return nodeBuffer(input);
}
};
// nodebuffer to ?
transform["nodebuffer"] = {
"string": arrayLikeToString,
"array": function(input) {
return arrayLikeToArrayLike(input, new Array(input.length));
},
"arraybuffer": function(input) {
return transform["nodebuffer"]["uint8array"](input).buffer;
},
"uint8array": function(input) {
return arrayLikeToArrayLike(input, new Uint8Array(input.length));
},
"nodebuffer": identity
};
/**
* Transform an input into any type.
* The supported output type are : string, array, uint8array, arraybuffer, nodebuffer.
* If no output type is specified, the unmodified input will be returned.
* @param {String} outputType the output type.
* @param {String|Array|ArrayBuffer|Uint8Array|Buffer} input the input to convert.
* @throws {Error} an Error if the browser doesn't support the requested output type.
*/
exports.transformTo = function(outputType, input) {
if (!input) {
// undefined, null, etc
// an empty string won't harm.
input = "";
}
if (!outputType) {
return input;
}
exports.checkSupport(outputType);
var inputType = exports.getTypeOf(input);
var result = transform[inputType][outputType](input);
return result;
};
/**
* Return the type of the input.
* The type will be in a format valid for JSZip.utils.transformTo : string, array, uint8array, arraybuffer.
* @param {Object} input the input to identify.
* @return {String} the (lowercase) type of the input.
*/
exports.getTypeOf = function(input) {
if (typeof input === "string") {
return "string";
}
if (Object.prototype.toString.call(input) === "[object Array]") {
return "array";
}
if (support.nodebuffer && nodeBuffer.test(input)) {
return "nodebuffer";
}
if (support.uint8array && input instanceof Uint8Array) {
return "uint8array";
}
if (support.arraybuffer && input instanceof ArrayBuffer) {
return "arraybuffer";
}
};
/**
* Throw an exception if the type is not supported.
* @param {String} type the type to check.
* @throws {Error} an Error if the browser doesn't support the requested type.
*/
exports.checkSupport = function(type) {
var supported = support[type.toLowerCase()];
if (!supported) {
throw new Error(type + " is not supported by this browser");
}
};
exports.MAX_VALUE_16BITS = 65535;
exports.MAX_VALUE_32BITS = -1; // well, "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF" is parsed as -1
/**
* Prettify a string read as binary.
* @param {string} str the string to prettify.
* @return {string} a pretty string.
*/
exports.pretty = function(str) {
var res = '',
code, i;
for (i = 0; i < (str || "").length; i++) {
code = str.charCodeAt(i);
res += '\\x' + (code < 16 ? "0" : "") + code.toString(16).toUpperCase();
}
return res;
};
/**
* Find a compression registered in JSZip.
* @param {string} compressionMethod the method magic to find.
* @return {Object|null} the JSZip compression object, null if none found.
*/
exports.findCompression = function(compressionMethod) {
for (var method in compressions) {
if (!compressions.hasOwnProperty(method)) {
continue;
}
if (compressions[method].magic === compressionMethod) {
return compressions[method];
}
}
return null;
};
/**
* Cross-window, cross-Node-context regular expression detection
* @param {Object} object Anything
* @return {Boolean} true if the object is a regular expression,
* false otherwise
*/
exports.isRegExp = function (object) {
return Object.prototype.toString.call(object) === "[object RegExp]";
};

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node_modules/jszip/lib/zipEntries.js generated vendored Normal file
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'use strict';
var StringReader = require('./stringReader');
var NodeBufferReader = require('./nodeBufferReader');
var Uint8ArrayReader = require('./uint8ArrayReader');
var utils = require('./utils');
var sig = require('./signature');
var ZipEntry = require('./zipEntry');
var support = require('./support');
var jszipProto = require('./object');
// class ZipEntries {{{
/**
* All the entries in the zip file.
* @constructor
* @param {String|ArrayBuffer|Uint8Array} data the binary stream to load.
* @param {Object} loadOptions Options for loading the stream.
*/
function ZipEntries(data, loadOptions) {
this.files = [];
this.loadOptions = loadOptions;
if (data) {
this.load(data);
}
}
ZipEntries.prototype = {
/**
* Check that the reader is on the speficied signature.
* @param {string} expectedSignature the expected signature.
* @throws {Error} if it is an other signature.
*/
checkSignature: function(expectedSignature) {
var signature = this.reader.readString(4);
if (signature !== expectedSignature) {
throw new Error("Corrupted zip or bug : unexpected signature " + "(" + utils.pretty(signature) + ", expected " + utils.pretty(expectedSignature) + ")");
}
},
/**
* Read the end of the central directory.
*/
readBlockEndOfCentral: function() {
this.diskNumber = this.reader.readInt(2);
this.diskWithCentralDirStart = this.reader.readInt(2);
this.centralDirRecordsOnThisDisk = this.reader.readInt(2);
this.centralDirRecords = this.reader.readInt(2);
this.centralDirSize = this.reader.readInt(4);
this.centralDirOffset = this.reader.readInt(4);
this.zipCommentLength = this.reader.readInt(2);
// warning : the encoding depends of the system locale
// On a linux machine with LANG=en_US.utf8, this field is utf8 encoded.
// On a windows machine, this field is encoded with the localized windows code page.
this.zipComment = this.reader.readString(this.zipCommentLength);
// To get consistent behavior with the generation part, we will assume that
// this is utf8 encoded.
this.zipComment = jszipProto.utf8decode(this.zipComment);
},
/**
* Read the end of the Zip 64 central directory.
* Not merged with the method readEndOfCentral :
* The end of central can coexist with its Zip64 brother,
* I don't want to read the wrong number of bytes !
*/
readBlockZip64EndOfCentral: function() {
this.zip64EndOfCentralSize = this.reader.readInt(8);
this.versionMadeBy = this.reader.readString(2);
this.versionNeeded = this.reader.readInt(2);
this.diskNumber = this.reader.readInt(4);
this.diskWithCentralDirStart = this.reader.readInt(4);
this.centralDirRecordsOnThisDisk = this.reader.readInt(8);
this.centralDirRecords = this.reader.readInt(8);
this.centralDirSize = this.reader.readInt(8);
this.centralDirOffset = this.reader.readInt(8);
this.zip64ExtensibleData = {};
var extraDataSize = this.zip64EndOfCentralSize - 44,
index = 0,
extraFieldId,
extraFieldLength,
extraFieldValue;
while (index < extraDataSize) {
extraFieldId = this.reader.readInt(2);
extraFieldLength = this.reader.readInt(4);
extraFieldValue = this.reader.readString(extraFieldLength);
this.zip64ExtensibleData[extraFieldId] = {
id: extraFieldId,
length: extraFieldLength,
value: extraFieldValue
};
}
},
/**
* Read the end of the Zip 64 central directory locator.
*/
readBlockZip64EndOfCentralLocator: function() {
this.diskWithZip64CentralDirStart = this.reader.readInt(4);
this.relativeOffsetEndOfZip64CentralDir = this.reader.readInt(8);
this.disksCount = this.reader.readInt(4);
if (this.disksCount > 1) {
throw new Error("Multi-volumes zip are not supported");
}
},
/**
* Read the local files, based on the offset read in the central part.
*/
readLocalFiles: function() {
var i, file;
for (i = 0; i < this.files.length; i++) {
file = this.files[i];
this.reader.setIndex(file.localHeaderOffset);
this.checkSignature(sig.LOCAL_FILE_HEADER);
file.readLocalPart(this.reader);
file.handleUTF8();
file.processAttributes();
}
},
/**
* Read the central directory.
*/
readCentralDir: function() {
var file;
this.reader.setIndex(this.centralDirOffset);
while (this.reader.readString(4) === sig.CENTRAL_FILE_HEADER) {
file = new ZipEntry({
zip64: this.zip64
}, this.loadOptions);
file.readCentralPart(this.reader);
this.files.push(file);
}
},
/**
* Read the end of central directory.
*/
readEndOfCentral: function() {
var offset = this.reader.lastIndexOfSignature(sig.CENTRAL_DIRECTORY_END);
if (offset === -1) {
// Check if the content is a truncated zip or complete garbage.
// A "LOCAL_FILE_HEADER" is not required at the beginning (auto
// extractible zip for example) but it can give a good hint.
// If an ajax request was used without responseType, we will also
// get unreadable data.
var isGarbage = true;
try {
this.reader.setIndex(0);
this.checkSignature(sig.LOCAL_FILE_HEADER);
isGarbage = false;
} catch (e) {}
if (isGarbage) {
throw new Error("Can't find end of central directory : is this a zip file ? " +
"If it is, see http://stuk.github.io/jszip/documentation/howto/read_zip.html");
} else {
throw new Error("Corrupted zip : can't find end of central directory");
}
}
this.reader.setIndex(offset);
this.checkSignature(sig.CENTRAL_DIRECTORY_END);
this.readBlockEndOfCentral();
/* extract from the zip spec :
4) If one of the fields in the end of central directory
record is too small to hold required data, the field
should be set to -1 (0xFFFF or 0xFFFFFFFF) and the
ZIP64 format record should be created.
5) The end of central directory record and the
Zip64 end of central directory locator record must
reside on the same disk when splitting or spanning
an archive.
*/
if (this.diskNumber === utils.MAX_VALUE_16BITS || this.diskWithCentralDirStart === utils.MAX_VALUE_16BITS || this.centralDirRecordsOnThisDisk === utils.MAX_VALUE_16BITS || this.centralDirRecords === utils.MAX_VALUE_16BITS || this.centralDirSize === utils.MAX_VALUE_32BITS || this.centralDirOffset === utils.MAX_VALUE_32BITS) {
this.zip64 = true;
/*
Warning : the zip64 extension is supported, but ONLY if the 64bits integer read from
the zip file can fit into a 32bits integer. This cannot be solved : Javascript represents
all numbers as 64-bit double precision IEEE 754 floating point numbers.
So, we have 53bits for integers and bitwise operations treat everything as 32bits.
see https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Operators/Bitwise_Operators
and http://www.ecma-international.org/publications/files/ECMA-ST/ECMA-262.pdf section 8.5
*/
// should look for a zip64 EOCD locator
offset = this.reader.lastIndexOfSignature(sig.ZIP64_CENTRAL_DIRECTORY_LOCATOR);
if (offset === -1) {
throw new Error("Corrupted zip : can't find the ZIP64 end of central directory locator");
}
this.reader.setIndex(offset);
this.checkSignature(sig.ZIP64_CENTRAL_DIRECTORY_LOCATOR);
this.readBlockZip64EndOfCentralLocator();
// now the zip64 EOCD record
this.reader.setIndex(this.relativeOffsetEndOfZip64CentralDir);
this.checkSignature(sig.ZIP64_CENTRAL_DIRECTORY_END);
this.readBlockZip64EndOfCentral();
}
},
prepareReader: function(data) {
var type = utils.getTypeOf(data);
if (type === "string" && !support.uint8array) {
this.reader = new StringReader(data, this.loadOptions.optimizedBinaryString);
}
else if (type === "nodebuffer") {
this.reader = new NodeBufferReader(data);
}
else {
this.reader = new Uint8ArrayReader(utils.transformTo("uint8array", data));
}
},
/**
* Read a zip file and create ZipEntries.
* @param {String|ArrayBuffer|Uint8Array|Buffer} data the binary string representing a zip file.
*/
load: function(data) {
this.prepareReader(data);
this.readEndOfCentral();
this.readCentralDir();
this.readLocalFiles();
}
};
// }}} end of ZipEntries
module.exports = ZipEntries;

310
node_modules/jszip/lib/zipEntry.js generated vendored Normal file
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'use strict';
var StringReader = require('./stringReader');
var utils = require('./utils');
var CompressedObject = require('./compressedObject');
var jszipProto = require('./object');
var MADE_BY_DOS = 0x00;
var MADE_BY_UNIX = 0x03;
// class ZipEntry {{{
/**
* An entry in the zip file.
* @constructor
* @param {Object} options Options of the current file.
* @param {Object} loadOptions Options for loading the stream.
*/
function ZipEntry(options, loadOptions) {
this.options = options;
this.loadOptions = loadOptions;
}
ZipEntry.prototype = {
/**
* say if the file is encrypted.
* @return {boolean} true if the file is encrypted, false otherwise.
*/
isEncrypted: function() {
// bit 1 is set
return (this.bitFlag & 0x0001) === 0x0001;
},
/**
* say if the file has utf-8 filename/comment.
* @return {boolean} true if the filename/comment is in utf-8, false otherwise.
*/
useUTF8: function() {
// bit 11 is set
return (this.bitFlag & 0x0800) === 0x0800;
},
/**
* Prepare the function used to generate the compressed content from this ZipFile.
* @param {DataReader} reader the reader to use.
* @param {number} from the offset from where we should read the data.
* @param {number} length the length of the data to read.
* @return {Function} the callback to get the compressed content (the type depends of the DataReader class).
*/
prepareCompressedContent: function(reader, from, length) {
return function() {
var previousIndex = reader.index;
reader.setIndex(from);
var compressedFileData = reader.readData(length);
reader.setIndex(previousIndex);
return compressedFileData;
};
},
/**
* Prepare the function used to generate the uncompressed content from this ZipFile.
* @param {DataReader} reader the reader to use.
* @param {number} from the offset from where we should read the data.
* @param {number} length the length of the data to read.
* @param {JSZip.compression} compression the compression used on this file.
* @param {number} uncompressedSize the uncompressed size to expect.
* @return {Function} the callback to get the uncompressed content (the type depends of the DataReader class).
*/
prepareContent: function(reader, from, length, compression, uncompressedSize) {
return function() {
var compressedFileData = utils.transformTo(compression.uncompressInputType, this.getCompressedContent());
var uncompressedFileData = compression.uncompress(compressedFileData);
if (uncompressedFileData.length !== uncompressedSize) {
throw new Error("Bug : uncompressed data size mismatch");
}
return uncompressedFileData;
};
},
/**
* Read the local part of a zip file and add the info in this object.
* @param {DataReader} reader the reader to use.
*/
readLocalPart: function(reader) {
var compression, localExtraFieldsLength;
// we already know everything from the central dir !
// If the central dir data are false, we are doomed.
// On the bright side, the local part is scary : zip64, data descriptors, both, etc.
// The less data we get here, the more reliable this should be.
// Let's skip the whole header and dash to the data !
reader.skip(22);
// in some zip created on windows, the filename stored in the central dir contains \ instead of /.
// Strangely, the filename here is OK.
// I would love to treat these zip files as corrupted (see http://www.info-zip.org/FAQ.html#backslashes
// or APPNOTE#4.4.17.1, "All slashes MUST be forward slashes '/'") but there are a lot of bad zip generators...
// Search "unzip mismatching "local" filename continuing with "central" filename version" on
// the internet.
//
// I think I see the logic here : the central directory is used to display
// content and the local directory is used to extract the files. Mixing / and \
// may be used to display \ to windows users and use / when extracting the files.
// Unfortunately, this lead also to some issues : http://seclists.org/fulldisclosure/2009/Sep/394
this.fileNameLength = reader.readInt(2);
localExtraFieldsLength = reader.readInt(2); // can't be sure this will be the same as the central dir
this.fileName = reader.readString(this.fileNameLength);
reader.skip(localExtraFieldsLength);
if (this.compressedSize == -1 || this.uncompressedSize == -1) {
throw new Error("Bug or corrupted zip : didn't get enough informations from the central directory " + "(compressedSize == -1 || uncompressedSize == -1)");
}
compression = utils.findCompression(this.compressionMethod);
if (compression === null) { // no compression found
throw new Error("Corrupted zip : compression " + utils.pretty(this.compressionMethod) + " unknown (inner file : " + this.fileName + ")");
}
this.decompressed = new CompressedObject();
this.decompressed.compressedSize = this.compressedSize;
this.decompressed.uncompressedSize = this.uncompressedSize;
this.decompressed.crc32 = this.crc32;
this.decompressed.compressionMethod = this.compressionMethod;
this.decompressed.getCompressedContent = this.prepareCompressedContent(reader, reader.index, this.compressedSize, compression);
this.decompressed.getContent = this.prepareContent(reader, reader.index, this.compressedSize, compression, this.uncompressedSize);
// we need to compute the crc32...
if (this.loadOptions.checkCRC32) {
this.decompressed = utils.transformTo("string", this.decompressed.getContent());
if (jszipProto.crc32(this.decompressed) !== this.crc32) {
throw new Error("Corrupted zip : CRC32 mismatch");
}
}
},
/**
* Read the central part of a zip file and add the info in this object.
* @param {DataReader} reader the reader to use.
*/
readCentralPart: function(reader) {
this.versionMadeBy = reader.readInt(2);
this.versionNeeded = reader.readInt(2);
this.bitFlag = reader.readInt(2);
this.compressionMethod = reader.readString(2);
this.date = reader.readDate();
this.crc32 = reader.readInt(4);
this.compressedSize = reader.readInt(4);
this.uncompressedSize = reader.readInt(4);
this.fileNameLength = reader.readInt(2);
this.extraFieldsLength = reader.readInt(2);
this.fileCommentLength = reader.readInt(2);
this.diskNumberStart = reader.readInt(2);
this.internalFileAttributes = reader.readInt(2);
this.externalFileAttributes = reader.readInt(4);
this.localHeaderOffset = reader.readInt(4);
if (this.isEncrypted()) {
throw new Error("Encrypted zip are not supported");
}
this.fileName = reader.readString(this.fileNameLength);
this.readExtraFields(reader);
this.parseZIP64ExtraField(reader);
this.fileComment = reader.readString(this.fileCommentLength);
},
/**
* Parse the external file attributes and get the unix/dos permissions.
*/
processAttributes: function () {
this.unixPermissions = null;
this.dosPermissions = null;
var madeBy = this.versionMadeBy >> 8;
// Check if we have the DOS directory flag set.
// We look for it in the DOS and UNIX permissions
// but some unknown platform could set it as a compatibility flag.
this.dir = this.externalFileAttributes & 0x0010 ? true : false;
if(madeBy === MADE_BY_DOS) {
// first 6 bits (0 to 5)
this.dosPermissions = this.externalFileAttributes & 0x3F;
}
if(madeBy === MADE_BY_UNIX) {
this.unixPermissions = (this.externalFileAttributes >> 16) & 0xFFFF;
// the octal permissions are in (this.unixPermissions & 0x01FF).toString(8);
}
// fail safe : if the name ends with a / it probably means a folder
if (!this.dir && this.fileName.slice(-1) === '/') {
this.dir = true;
}
},
/**
* Parse the ZIP64 extra field and merge the info in the current ZipEntry.
* @param {DataReader} reader the reader to use.
*/
parseZIP64ExtraField: function(reader) {
if (!this.extraFields[0x0001]) {
return;
}
// should be something, preparing the extra reader
var extraReader = new StringReader(this.extraFields[0x0001].value);
// I really hope that these 64bits integer can fit in 32 bits integer, because js
// won't let us have more.
if (this.uncompressedSize === utils.MAX_VALUE_32BITS) {
this.uncompressedSize = extraReader.readInt(8);
}
if (this.compressedSize === utils.MAX_VALUE_32BITS) {
this.compressedSize = extraReader.readInt(8);
}
if (this.localHeaderOffset === utils.MAX_VALUE_32BITS) {
this.localHeaderOffset = extraReader.readInt(8);
}
if (this.diskNumberStart === utils.MAX_VALUE_32BITS) {
this.diskNumberStart = extraReader.readInt(4);
}
},
/**
* Read the central part of a zip file and add the info in this object.
* @param {DataReader} reader the reader to use.
*/
readExtraFields: function(reader) {
var start = reader.index,
extraFieldId,
extraFieldLength,
extraFieldValue;
this.extraFields = this.extraFields || {};
while (reader.index < start + this.extraFieldsLength) {
extraFieldId = reader.readInt(2);
extraFieldLength = reader.readInt(2);
extraFieldValue = reader.readString(extraFieldLength);
this.extraFields[extraFieldId] = {
id: extraFieldId,
length: extraFieldLength,
value: extraFieldValue
};
}
},
/**
* Apply an UTF8 transformation if needed.
*/
handleUTF8: function() {
if (this.useUTF8()) {
this.fileName = jszipProto.utf8decode(this.fileName);
this.fileComment = jszipProto.utf8decode(this.fileComment);
} else {
var upath = this.findExtraFieldUnicodePath();
if (upath !== null) {
this.fileName = upath;
}
var ucomment = this.findExtraFieldUnicodeComment();
if (ucomment !== null) {
this.fileComment = ucomment;
}
}
},
/**
* Find the unicode path declared in the extra field, if any.
* @return {String} the unicode path, null otherwise.
*/
findExtraFieldUnicodePath: function() {
var upathField = this.extraFields[0x7075];
if (upathField) {
var extraReader = new StringReader(upathField.value);
// wrong version
if (extraReader.readInt(1) !== 1) {
return null;
}
// the crc of the filename changed, this field is out of date.
if (jszipProto.crc32(this.fileName) !== extraReader.readInt(4)) {
return null;
}
return jszipProto.utf8decode(extraReader.readString(upathField.length - 5));
}
return null;
},
/**
* Find the unicode comment declared in the extra field, if any.
* @return {String} the unicode comment, null otherwise.
*/
findExtraFieldUnicodeComment: function() {
var ucommentField = this.extraFields[0x6375];
if (ucommentField) {
var extraReader = new StringReader(ucommentField.value);
// wrong version
if (extraReader.readInt(1) !== 1) {
return null;
}
// the crc of the comment changed, this field is out of date.
if (jszipProto.crc32(this.fileComment) !== extraReader.readInt(4)) {
return null;
}
return jszipProto.utf8decode(extraReader.readString(ucommentField.length - 5));
}
return null;
}
};
module.exports = ZipEntry;