From 9c772e3c1d508fc9914d7ad04a9b4a6d86ecac4e Mon Sep 17 00:00:00 2001 From: Nicky Case Date: Sun, 30 Sep 2018 12:54:38 -0400 Subject: [PATCH] download flashcards --- ch3.html | 59 + sims/downloads/FileSaver.js | 247 + sims/downloads/all.css | 15 + sims/downloads/all.html | 26 + sims/downloads/download_all.js | 144 + sims/downloads/jszip.js | 11605 +++++++++++++++++++++++++++++++ 6 files changed, 12096 insertions(+) create mode 100644 sims/downloads/FileSaver.js create mode 100644 sims/downloads/all.css create mode 100644 sims/downloads/all.html create mode 100644 sims/downloads/download_all.js create mode 100755 sims/downloads/jszip.js diff --git a/ch3.html b/ch3.html index 720eed9..7edd87b 100644 --- a/ch3.html +++ b/ch3.html @@ -48,6 +48,10 @@ + + + + @@ -69,6 +73,61 @@ + + + +
+ 여보세요 + Здравствуйте +
+ + +
+
+ 你好 + こんにちは +
+ + +
+
+ According to Endosymbiotic Theory, mitochondria arose around + ____ years ago +
+ + +
+ ~1.5 billion years ago +
+ + +
+
+ According to Endosymbiotic Theory, mitochondria first arose when... +
+ + +
+
+ when a prokaryote was eaten by another cell +
+ + +
+ The Forgetting Curve (with optimally-spaced recalls) looks like... +
+ + +
+
+ (note: the gaps between recalls increase in length) +
+ + diff --git a/sims/downloads/FileSaver.js b/sims/downloads/FileSaver.js new file mode 100644 index 0000000..112efb0 --- /dev/null +++ b/sims/downloads/FileSaver.js @@ -0,0 +1,247 @@ +/*! FileSaver.js + * A saveAs() FileSaver implementation. + * 2014-01-24 + * + * By Eli Grey, http://eligrey.com + * License: X11/MIT + * See LICENSE.md + */ + +/*global self */ +/*jslint bitwise: true, indent: 4, laxbreak: true, laxcomma: true, smarttabs: true, plusplus: true */ + +/*! @source http://purl.eligrey.com/github/FileSaver.js/blob/master/FileSaver.js */ + +var saveAs = saveAs + // IE 10+ (native saveAs) + || (typeof navigator !== "undefined" && + navigator.msSaveOrOpenBlob && navigator.msSaveOrOpenBlob.bind(navigator)) + // Everyone else + || (function(view) { + "use strict"; + // IE <10 is explicitly unsupported + if (typeof navigator !== "undefined" && + /MSIE [1-9]\./.test(navigator.userAgent)) { + return; + } + var + doc = view.document + // only get URL when necessary in case BlobBuilder.js hasn't overridden it yet + , get_URL = function() { + return view.URL || view.webkitURL || view; + } + , URL = view.URL || view.webkitURL || view + , save_link = doc.createElementNS("http://www.w3.org/1999/xhtml", "a") + , can_use_save_link = !view.externalHost && "download" in save_link + , click = function(node) { + var event = doc.createEvent("MouseEvents"); + event.initMouseEvent( + "click", true, false, view, 0, 0, 0, 0, 0 + , false, false, false, false, 0, null + ); + node.dispatchEvent(event); + } + , webkit_req_fs = view.webkitRequestFileSystem + , req_fs = view.requestFileSystem || webkit_req_fs || view.mozRequestFileSystem + , throw_outside = function(ex) { + (view.setImmediate || view.setTimeout)(function() { + throw ex; + }, 0); + } + , force_saveable_type = "application/octet-stream" + , fs_min_size = 0 + , deletion_queue = [] + , process_deletion_queue = function() { + var i = deletion_queue.length; + while (i--) { + var file = deletion_queue[i]; + if (typeof file === "string") { // file is an object URL + URL.revokeObjectURL(file); + } else { // file is a File + file.remove(); + } + } + deletion_queue.length = 0; // clear queue + } + , dispatch = function(filesaver, event_types, event) { + event_types = [].concat(event_types); + var i = event_types.length; + while (i--) { + var listener = filesaver["on" + event_types[i]]; + if (typeof listener === "function") { + try { + listener.call(filesaver, event || filesaver); + } catch (ex) { + throw_outside(ex); + } + } + } + } + , FileSaver = function(blob, name) { + // First try a.download, then web filesystem, then object URLs + var + filesaver = this + , type = blob.type + , blob_changed = false + , object_url + , target_view + , get_object_url = function() { + var object_url = get_URL().createObjectURL(blob); + deletion_queue.push(object_url); + return object_url; + } + , dispatch_all = function() { + dispatch(filesaver, "writestart progress write writeend".split(" ")); + } + // on any filesys errors revert to saving with object URLs + , fs_error = function() { + // don't create more object URLs than needed + if (blob_changed || !object_url) { + object_url = get_object_url(blob); + } + if (target_view) { + target_view.location.href = object_url; + } else { + window.open(object_url, "_blank"); + } + filesaver.readyState = filesaver.DONE; + dispatch_all(); + } + , abortable = function(func) { + return function() { + if (filesaver.readyState !== filesaver.DONE) { + return func.apply(this, arguments); + } + }; + } + , create_if_not_found = {create: true, exclusive: false} + , slice + ; + filesaver.readyState = filesaver.INIT; + if (!name) { + name = "download"; + } + if (can_use_save_link) { + object_url = get_object_url(blob); + // FF for Android has a nasty garbage collection mechanism + // that turns all objects that are not pure javascript into 'deadObject' + // this means `doc` and `save_link` are unusable and need to be recreated + // `view` is usable though: + doc = view.document; + save_link = doc.createElementNS("http://www.w3.org/1999/xhtml", "a"); + save_link.href = object_url; + save_link.download = name; + var event = doc.createEvent("MouseEvents"); + event.initMouseEvent( + "click", true, false, view, 0, 0, 0, 0, 0 + , false, false, false, false, 0, null + ); + save_link.dispatchEvent(event); + filesaver.readyState = filesaver.DONE; + dispatch_all(); + return; + } + // Object and web filesystem URLs have a problem saving in Google Chrome when + // viewed in a tab, so I force save with application/octet-stream + // http://code.google.com/p/chromium/issues/detail?id=91158 + if (view.chrome && type && type !== force_saveable_type) { + slice = blob.slice || blob.webkitSlice; + blob = slice.call(blob, 0, blob.size, force_saveable_type); + blob_changed = true; + } + // Since I can't be sure that the guessed media type will trigger a download + // in WebKit, I append .download to the filename. + // https://bugs.webkit.org/show_bug.cgi?id=65440 + if (webkit_req_fs && name !== "download") { + name += ".download"; + } + if (type === force_saveable_type || webkit_req_fs) { + target_view = view; + } + if (!req_fs) { + fs_error(); + return; + } + fs_min_size += blob.size; + req_fs(view.TEMPORARY, fs_min_size, abortable(function(fs) { + fs.root.getDirectory("saved", create_if_not_found, abortable(function(dir) { + var save = function() { + dir.getFile(name, create_if_not_found, abortable(function(file) { + file.createWriter(abortable(function(writer) { + writer.onwriteend = function(event) { + target_view.location.href = file.toURL(); + deletion_queue.push(file); + filesaver.readyState = filesaver.DONE; + dispatch(filesaver, "writeend", event); + }; + writer.onerror = function() { + var error = writer.error; + if (error.code !== error.ABORT_ERR) { + fs_error(); + } + }; + "writestart progress write abort".split(" ").forEach(function(event) { + writer["on" + event] = filesaver["on" + event]; + }); + writer.write(blob); + filesaver.abort = function() { + writer.abort(); + filesaver.readyState = filesaver.DONE; + }; + filesaver.readyState = filesaver.WRITING; + }), fs_error); + }), fs_error); + }; + dir.getFile(name, {create: false}, abortable(function(file) { + // delete file if it already exists + file.remove(); + save(); + }), abortable(function(ex) { + if (ex.code === ex.NOT_FOUND_ERR) { + save(); + } else { + fs_error(); + } + })); + }), fs_error); + }), fs_error); + } + , FS_proto = FileSaver.prototype + , saveAs = function(blob, name) { + return new FileSaver(blob, name); + } + ; + FS_proto.abort = function() { + var filesaver = this; + filesaver.readyState = filesaver.DONE; + dispatch(filesaver, "abort"); + }; + FS_proto.readyState = FS_proto.INIT = 0; + FS_proto.WRITING = 1; + FS_proto.DONE = 2; + + FS_proto.error = + FS_proto.onwritestart = + FS_proto.onprogress = + FS_proto.onwrite = + FS_proto.onabort = + FS_proto.onerror = + FS_proto.onwriteend = + null; + + view.addEventListener("unload", process_deletion_queue, false); + saveAs.unload = function() { + process_deletion_queue(); + view.removeEventListener("unload", process_deletion_queue, false); + }; + return saveAs; +}( + typeof self !== "undefined" && self + || typeof window !== "undefined" && window + || this.content +)); +// `self` is undefined in Firefox for Android content script context +// while `this` is nsIContentFrameMessageManager +// with an attribute `content` that corresponds to the window + +if (typeof module !== "undefined") module.exports = saveAs; diff --git a/sims/downloads/all.css b/sims/downloads/all.css new file mode 100644 index 0000000..7361500 --- /dev/null +++ b/sims/downloads/all.css @@ -0,0 +1,15 @@ +/* FONT FACE */ +@font-face { + font-family: "PatrickHand"; + font-style: normal; + font-weight: 400; + src: url(../../css/PatrickHand-Regular.ttf) format('truetype'); +} + +body{ + background:#bada55; +} +canvas{ + width:150px; + margin: 5px; +} \ No newline at end of file diff --git a/sims/downloads/all.html b/sims/downloads/all.html new file mode 100644 index 0000000..aca200d --- /dev/null +++ b/sims/downloads/all.html @@ -0,0 +1,26 @@ + + + + + + Download all o' them + + + + + + + + + + + + \ No newline at end of file diff --git a/sims/downloads/download_all.js b/sims/downloads/download_all.js new file mode 100644 index 0000000..8978b83 --- /dev/null +++ b/sims/downloads/download_all.js @@ -0,0 +1,144 @@ +/********************************** + +1. ONLY when you press the button, does it take labels & pics & such... @done + +2. Loads 'em all... + +3. Draws html to canvasses! +- draw SOMETHING @done +- draw background image (if any) @done +- draw text box in correct position & text align with word wrap + +4. Lets you download all of 'em, as a .zip! @done + +**********************************/ + +// CARDS TO LOAD +var CARDNAMES = [ + "sci_a", + "mitochondria_7", + "mitochondria_8", + "sci_c" +]; + + +var download_btn = $("#download"); +download_btn.onclick = function(){ + + // disable while we wait... + download_btn.disabled = true; + + // Loads + var CARD_HTMLS = []; + for(var i=0; i + +(c) 2009-2016 Stuart Knightley +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 +*/ + +(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.JSZip = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o> 2; + enc2 = ((chr1 & 3) << 4) | (chr2 >> 4); + enc3 = remainingBytes > 1 ? (((chr2 & 15) << 2) | (chr3 >> 6)) : 64; + enc4 = remainingBytes > 2 ? (chr3 & 63) : 64; + + output.push(_keyStr.charAt(enc1) + _keyStr.charAt(enc2) + _keyStr.charAt(enc3) + _keyStr.charAt(enc4)); + + } + + return output.join(""); +}; + +// public method for decoding +exports.decode = function(input) { + var chr1, chr2, chr3; + var enc1, enc2, enc3, enc4; + var i = 0, resultIndex = 0; + + var dataUrlPrefix = "data:"; + + if (input.substr(0, dataUrlPrefix.length) === dataUrlPrefix) { + // This is a common error: people give a data url + // (data:image/png;base64,iVBOR...) with a {base64: true} and + // wonders why things don't work. + // We can detect that the string input looks like a data url but we + // *can't* be sure it is one: removing everything up to the comma would + // be too dangerous. + throw new Error("Invalid base64 input, it looks like a data url."); + } + + input = input.replace(/[^A-Za-z0-9\+\/\=]/g, ""); + + var totalLength = input.length * 3 / 4; + if(input.charAt(input.length - 1) === _keyStr.charAt(64)) { + totalLength--; + } + if(input.charAt(input.length - 2) === _keyStr.charAt(64)) { + totalLength--; + } + if (totalLength % 1 !== 0) { + // totalLength is not an integer, the length does not match a valid + // base64 content. That can happen if: + // - the input is not a base64 content + // - the input is *almost* a base64 content, with a extra chars at the + // beginning or at the end + // - the input uses a base64 variant (base64url for example) + throw new Error("Invalid base64 input, bad content length."); + } + var output; + if (support.uint8array) { + output = new Uint8Array(totalLength|0); + } else { + output = new Array(totalLength|0); + } + + 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[resultIndex++] = chr1; + + if (enc3 !== 64) { + output[resultIndex++] = chr2; + } + if (enc4 !== 64) { + output[resultIndex++] = chr3; + } + + } + + return output; +}; + +},{"./support":30,"./utils":32}],2:[function(require,module,exports){ +'use strict'; + +var external = require("./external"); +var DataWorker = require('./stream/DataWorker'); +var DataLengthProbe = require('./stream/DataLengthProbe'); +var Crc32Probe = require('./stream/Crc32Probe'); +var DataLengthProbe = require('./stream/DataLengthProbe'); + +/** + * Represent a compressed object, with everything needed to decompress it. + * @constructor + * @param {number} compressedSize the size of the data compressed. + * @param {number} uncompressedSize the size of the data after decompression. + * @param {number} crc32 the crc32 of the decompressed file. + * @param {object} compression the type of compression, see lib/compressions.js. + * @param {String|ArrayBuffer|Uint8Array|Buffer} data the compressed data. + */ +function CompressedObject(compressedSize, uncompressedSize, crc32, compression, data) { + this.compressedSize = compressedSize; + this.uncompressedSize = uncompressedSize; + this.crc32 = crc32; + this.compression = compression; + this.compressedContent = data; +} + +CompressedObject.prototype = { + /** + * Create a worker to get the uncompressed content. + * @return {GenericWorker} the worker. + */ + getContentWorker : function () { + var worker = new DataWorker(external.Promise.resolve(this.compressedContent)) + .pipe(this.compression.uncompressWorker()) + .pipe(new DataLengthProbe("data_length")); + + var that = this; + worker.on("end", function () { + if(this.streamInfo['data_length'] !== that.uncompressedSize) { + throw new Error("Bug : uncompressed data size mismatch"); + } + }); + return worker; + }, + /** + * Create a worker to get the compressed content. + * @return {GenericWorker} the worker. + */ + getCompressedWorker : function () { + return new DataWorker(external.Promise.resolve(this.compressedContent)) + .withStreamInfo("compressedSize", this.compressedSize) + .withStreamInfo("uncompressedSize", this.uncompressedSize) + .withStreamInfo("crc32", this.crc32) + .withStreamInfo("compression", this.compression) + ; + } +}; + +/** + * Chain the given worker with other workers to compress the content with the + * given compresion. + * @param {GenericWorker} uncompressedWorker the worker to pipe. + * @param {Object} compression the compression object. + * @param {Object} compressionOptions the options to use when compressing. + * @return {GenericWorker} the new worker compressing the content. + */ +CompressedObject.createWorkerFrom = function (uncompressedWorker, compression, compressionOptions) { + return uncompressedWorker + .pipe(new Crc32Probe()) + .pipe(new DataLengthProbe("uncompressedSize")) + .pipe(compression.compressWorker(compressionOptions)) + .pipe(new DataLengthProbe("compressedSize")) + .withStreamInfo("compression", compression); +}; + +module.exports = CompressedObject; + +},{"./external":6,"./stream/Crc32Probe":25,"./stream/DataLengthProbe":26,"./stream/DataWorker":27}],3:[function(require,module,exports){ +'use strict'; + +var GenericWorker = require("./stream/GenericWorker"); + +exports.STORE = { + magic: "\x00\x00", + compressWorker : function (compressionOptions) { + return new GenericWorker("STORE compression"); + }, + uncompressWorker : function () { + return new GenericWorker("STORE decompression"); + } +}; +exports.DEFLATE = require('./flate'); + +},{"./flate":7,"./stream/GenericWorker":28}],4:[function(require,module,exports){ +'use strict'; + +var utils = require('./utils'); + +/** + * The following functions come from pako, from pako/lib/zlib/crc32.js + * released under the MIT license, see pako https://github.com/nodeca/pako/ + */ + +// Use ordinary array, since untyped makes no boost here +function makeTable() { + var c, table = []; + + for(var n =0; n < 256; n++){ + c = n; + for(var k =0; k < 8; k++){ + c = ((c&1) ? (0xEDB88320 ^ (c >>> 1)) : (c >>> 1)); + } + table[n] = c; + } + + return table; +} + +// Create table on load. Just 255 signed longs. Not a problem. +var crcTable = makeTable(); + + +function crc32(crc, buf, len, pos) { + var t = crcTable, end = pos + len; + + crc = crc ^ (-1); + + for (var i = pos; i < end; i++ ) { + crc = (crc >>> 8) ^ t[(crc ^ buf[i]) & 0xFF]; + } + + return (crc ^ (-1)); // >>> 0; +} + +// That's all for the pako functions. + +/** + * Compute the crc32 of a string. + * This is almost the same as the function crc32, but for strings. Using the + * same function for the two use cases leads to horrible performances. + * @param {Number} crc the starting value of the crc. + * @param {String} str the string to use. + * @param {Number} len the length of the string. + * @param {Number} pos the starting position for the crc32 computation. + * @return {Number} the computed crc32. + */ +function crc32str(crc, str, len, pos) { + var t = crcTable, end = pos + len; + + crc = crc ^ (-1); + + for (var i = pos; i < end; i++ ) { + crc = (crc >>> 8) ^ t[(crc ^ str.charCodeAt(i)) & 0xFF]; + } + + return (crc ^ (-1)); // >>> 0; +} + +module.exports = function crc32wrapper(input, crc) { + if (typeof input === "undefined" || !input.length) { + return 0; + } + + var isArray = utils.getTypeOf(input) !== "string"; + + if(isArray) { + return crc32(crc|0, input, input.length, 0); + } else { + return crc32str(crc|0, input, input.length, 0); + } +}; + +},{"./utils":32}],5:[function(require,module,exports){ +'use strict'; +exports.base64 = false; +exports.binary = false; +exports.dir = false; +exports.createFolders = true; +exports.date = null; +exports.compression = null; +exports.compressionOptions = null; +exports.comment = null; +exports.unixPermissions = null; +exports.dosPermissions = null; + +},{}],6:[function(require,module,exports){ +/* global Promise */ +'use strict'; + +// load the global object first: +// - it should be better integrated in the system (unhandledRejection in node) +// - the environment may have a custom Promise implementation (see zone.js) +var ES6Promise = null; +if (typeof Promise !== "undefined") { + ES6Promise = Promise; +} else { + ES6Promise = require("lie"); +} + +/** + * Let the user use/change some implementations. + */ +module.exports = { + Promise: ES6Promise +}; + +},{"lie":58}],7:[function(require,module,exports){ +'use strict'; +var USE_TYPEDARRAY = (typeof Uint8Array !== 'undefined') && (typeof Uint16Array !== 'undefined') && (typeof Uint32Array !== 'undefined'); + +var pako = require("pako"); +var utils = require("./utils"); +var GenericWorker = require("./stream/GenericWorker"); + +var ARRAY_TYPE = USE_TYPEDARRAY ? "uint8array" : "array"; + +exports.magic = "\x08\x00"; + +/** + * Create a worker that uses pako to inflate/deflate. + * @constructor + * @param {String} action the name of the pako function to call : either "Deflate" or "Inflate". + * @param {Object} options the options to use when (de)compressing. + */ +function FlateWorker(action, options) { + GenericWorker.call(this, "FlateWorker/" + action); + + this._pako = null; + this._pakoAction = action; + this._pakoOptions = options; + // the `meta` object from the last chunk received + // this allow this worker to pass around metadata + this.meta = {}; +} + +utils.inherits(FlateWorker, GenericWorker); + +/** + * @see GenericWorker.processChunk + */ +FlateWorker.prototype.processChunk = function (chunk) { + this.meta = chunk.meta; + if (this._pako === null) { + this._createPako(); + } + this._pako.push(utils.transformTo(ARRAY_TYPE, chunk.data), false); +}; + +/** + * @see GenericWorker.flush + */ +FlateWorker.prototype.flush = function () { + GenericWorker.prototype.flush.call(this); + if (this._pako === null) { + this._createPako(); + } + this._pako.push([], true); +}; +/** + * @see GenericWorker.cleanUp + */ +FlateWorker.prototype.cleanUp = function () { + GenericWorker.prototype.cleanUp.call(this); + this._pako = null; +}; + +/** + * Create the _pako object. + * TODO: lazy-loading this object isn't the best solution but it's the + * quickest. The best solution is to lazy-load the worker list. See also the + * issue #446. + */ +FlateWorker.prototype._createPako = function () { + this._pako = new pako[this._pakoAction]({ + raw: true, + level: this._pakoOptions.level || -1 // default compression + }); + var self = this; + this._pako.onData = function(data) { + self.push({ + data : data, + meta : self.meta + }); + }; +}; + +exports.compressWorker = function (compressionOptions) { + return new FlateWorker("Deflate", compressionOptions); +}; +exports.uncompressWorker = function () { + return new FlateWorker("Inflate", {}); +}; + +},{"./stream/GenericWorker":28,"./utils":32,"pako":59}],8:[function(require,module,exports){ +'use strict'; + +var utils = require('../utils'); +var GenericWorker = require('../stream/GenericWorker'); +var utf8 = require('../utf8'); +var crc32 = require('../crc32'); +var signature = require('../signature'); + +/** + * 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; +}; + +/** + * 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 {Object} streamInfo the hash with informations about the compressed file. + * @param {Boolean} streamedContent is the content streamed ? + * @param {Boolean} streamingEnded is the stream finished ? + * @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) + * @param {Function} encodeFileName the function to encode the file name / comment. + * @return {Object} the zip parts. + */ +var generateZipParts = function(streamInfo, streamedContent, streamingEnded, offset, platform, encodeFileName) { + var file = streamInfo['file'], + compression = streamInfo['compression'], + useCustomEncoding = encodeFileName !== utf8.utf8encode, + encodedFileName = utils.transformTo("string", encodeFileName(file.name)), + utfEncodedFileName = utils.transformTo("string", utf8.utf8encode(file.name)), + comment = file.comment, + encodedComment = utils.transformTo("string", encodeFileName(comment)), + utfEncodedComment = utils.transformTo("string", utf8.utf8encode(comment)), + useUTF8ForFileName = utfEncodedFileName.length !== file.name.length, + useUTF8ForComment = utfEncodedComment.length !== comment.length, + dosTime, + dosDate, + extraFields = "", + unicodePathExtraField = "", + unicodeCommentExtraField = "", + dir = file.dir, + date = file.date; + + + var dataInfo = { + crc32 : 0, + compressedSize : 0, + uncompressedSize : 0 + }; + + // if the content is streamed, the sizes/crc32 are only available AFTER + // the end of the stream. + if (!streamedContent || streamingEnded) { + dataInfo.crc32 = streamInfo['crc32']; + dataInfo.compressedSize = streamInfo['compressedSize']; + dataInfo.uncompressedSize = streamInfo['uncompressedSize']; + } + + var bitflag = 0; + if (streamedContent) { + // Bit 3: the sizes/crc32 are set to zero in the local header. + // The correct values are put in the data descriptor immediately + // following the compressed data. + bitflag |= 0x0008; + } + if (!useCustomEncoding && (useUTF8ForFileName || useUTF8ForComment)) { + // Bit 11: Language encoding flag (EFS). + bitflag |= 0x0800; + } + + + 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.getUTCHours(); + dosTime = dosTime << 6; + dosTime = dosTime | date.getUTCMinutes(); + dosTime = dosTime << 5; + dosTime = dosTime | date.getUTCSeconds() / 2; + + dosDate = date.getUTCFullYear() - 1980; + dosDate = dosDate << 4; + dosDate = dosDate | (date.getUTCMonth() + 1); + dosDate = dosDate << 5; + dosDate = dosDate | date.getUTCDate(); + + 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(encodedFileName), 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(crc32(encodedComment), 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 + header += decToHex(bitflag, 2); + // compression method + header += compression.magic; + // last mod file time + header += decToHex(dosTime, 2); + // last mod file date + header += decToHex(dosDate, 2); + // crc-32 + header += decToHex(dataInfo.crc32, 4); + // compressed size + header += decToHex(dataInfo.compressedSize, 4); + // uncompressed size + header += decToHex(dataInfo.uncompressedSize, 4); + // file name length + header += decToHex(encodedFileName.length, 2); + // extra field length + header += decToHex(extraFields.length, 2); + + + var fileRecord = signature.LOCAL_FILE_HEADER + header + encodedFileName + 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(encodedComment.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 + encodedFileName + + // extra field + extraFields + + // file comment + encodedComment; + + return { + fileRecord: fileRecord, + dirRecord: dirRecord + }; +}; + +/** + * Generate the EOCD record. + * @param {Number} entriesCount the number of entries in the zip file. + * @param {Number} centralDirLength the length (in bytes) of the central dir. + * @param {Number} localDirLength the length (in bytes) of the local dir. + * @param {String} comment the zip file comment as a binary string. + * @param {Function} encodeFileName the function to encode the comment. + * @return {String} the EOCD record. + */ +var generateCentralDirectoryEnd = function (entriesCount, centralDirLength, localDirLength, comment, encodeFileName) { + var dirEnd = ""; + var encodedComment = utils.transformTo("string", encodeFileName(comment)); + + // 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(entriesCount, 2) + + // total number of entries in the central directory + decToHex(entriesCount, 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(encodedComment.length, 2) + + // .ZIP file comment + encodedComment; + + return dirEnd; +}; + +/** + * Generate data descriptors for a file entry. + * @param {Object} streamInfo the hash generated by a worker, containing informations + * on the file entry. + * @return {String} the data descriptors. + */ +var generateDataDescriptors = function (streamInfo) { + var descriptor = ""; + descriptor = signature.DATA_DESCRIPTOR + + // crc-32 4 bytes + decToHex(streamInfo['crc32'], 4) + + // compressed size 4 bytes + decToHex(streamInfo['compressedSize'], 4) + + // uncompressed size 4 bytes + decToHex(streamInfo['uncompressedSize'], 4); + + return descriptor; +}; + + +/** + * A worker to concatenate other workers to create a zip file. + * @param {Boolean} streamFiles `true` to stream the content of the files, + * `false` to accumulate it. + * @param {String} comment the comment to use. + * @param {String} platform the platform to use, "UNIX" or "DOS". + * @param {Function} encodeFileName the function to encode file names and comments. + */ +function ZipFileWorker(streamFiles, comment, platform, encodeFileName) { + GenericWorker.call(this, "ZipFileWorker"); + // The number of bytes written so far. This doesn't count accumulated chunks. + this.bytesWritten = 0; + // The comment of the zip file + this.zipComment = comment; + // The platform "generating" the zip file. + this.zipPlatform = platform; + // the function to encode file names and comments. + this.encodeFileName = encodeFileName; + // Should we stream the content of the files ? + this.streamFiles = streamFiles; + // If `streamFiles` is false, we will need to accumulate the content of the + // files to calculate sizes / crc32 (and write them *before* the content). + // This boolean indicates if we are accumulating chunks (it will change a lot + // during the lifetime of this worker). + this.accumulate = false; + // The buffer receiving chunks when accumulating content. + this.contentBuffer = []; + // The list of generated directory records. + this.dirRecords = []; + // The offset (in bytes) from the beginning of the zip file for the current source. + this.currentSourceOffset = 0; + // The total number of entries in this zip file. + this.entriesCount = 0; + // the name of the file currently being added, null when handling the end of the zip file. + // Used for the emited metadata. + this.currentFile = null; + + + + this._sources = []; +} +utils.inherits(ZipFileWorker, GenericWorker); + +/** + * @see GenericWorker.push + */ +ZipFileWorker.prototype.push = function (chunk) { + + var currentFilePercent = chunk.meta.percent || 0; + var entriesCount = this.entriesCount; + var remainingFiles = this._sources.length; + + if(this.accumulate) { + this.contentBuffer.push(chunk); + } else { + this.bytesWritten += chunk.data.length; + + GenericWorker.prototype.push.call(this, { + data : chunk.data, + meta : { + currentFile : this.currentFile, + percent : entriesCount ? (currentFilePercent + 100 * (entriesCount - remainingFiles - 1)) / entriesCount : 100 + } + }); + } +}; + +/** + * The worker started a new source (an other worker). + * @param {Object} streamInfo the streamInfo object from the new source. + */ +ZipFileWorker.prototype.openedSource = function (streamInfo) { + this.currentSourceOffset = this.bytesWritten; + this.currentFile = streamInfo['file'].name; + + var streamedContent = this.streamFiles && !streamInfo['file'].dir; + + // don't stream folders (because they don't have any content) + if(streamedContent) { + var record = generateZipParts(streamInfo, streamedContent, false, this.currentSourceOffset, this.zipPlatform, this.encodeFileName); + this.push({ + data : record.fileRecord, + meta : {percent:0} + }); + } else { + // we need to wait for the whole file before pushing anything + this.accumulate = true; + } +}; + +/** + * The worker finished a source (an other worker). + * @param {Object} streamInfo the streamInfo object from the finished source. + */ +ZipFileWorker.prototype.closedSource = function (streamInfo) { + this.accumulate = false; + var streamedContent = this.streamFiles && !streamInfo['file'].dir; + var record = generateZipParts(streamInfo, streamedContent, true, this.currentSourceOffset, this.zipPlatform, this.encodeFileName); + + this.dirRecords.push(record.dirRecord); + if(streamedContent) { + // after the streamed file, we put data descriptors + this.push({ + data : generateDataDescriptors(streamInfo), + meta : {percent:100} + }); + } else { + // the content wasn't streamed, we need to push everything now + // first the file record, then the content + this.push({ + data : record.fileRecord, + meta : {percent:0} + }); + while(this.contentBuffer.length) { + this.push(this.contentBuffer.shift()); + } + } + this.currentFile = null; +}; + +/** + * @see GenericWorker.flush + */ +ZipFileWorker.prototype.flush = function () { + + var localDirLength = this.bytesWritten; + for(var i = 0; i < this.dirRecords.length; i++) { + this.push({ + data : this.dirRecords[i], + meta : {percent:100} + }); + } + var centralDirLength = this.bytesWritten - localDirLength; + + var dirEnd = generateCentralDirectoryEnd(this.dirRecords.length, centralDirLength, localDirLength, this.zipComment, this.encodeFileName); + + this.push({ + data : dirEnd, + meta : {percent:100} + }); +}; + +/** + * Prepare the next source to be read. + */ +ZipFileWorker.prototype.prepareNextSource = function () { + this.previous = this._sources.shift(); + this.openedSource(this.previous.streamInfo); + if (this.isPaused) { + this.previous.pause(); + } else { + this.previous.resume(); + } +}; + +/** + * @see GenericWorker.registerPrevious + */ +ZipFileWorker.prototype.registerPrevious = function (previous) { + this._sources.push(previous); + var self = this; + + previous.on('data', function (chunk) { + self.processChunk(chunk); + }); + previous.on('end', function () { + self.closedSource(self.previous.streamInfo); + if(self._sources.length) { + self.prepareNextSource(); + } else { + self.end(); + } + }); + previous.on('error', function (e) { + self.error(e); + }); + return this; +}; + +/** + * @see GenericWorker.resume + */ +ZipFileWorker.prototype.resume = function () { + if(!GenericWorker.prototype.resume.call(this)) { + return false; + } + + if (!this.previous && this._sources.length) { + this.prepareNextSource(); + return true; + } + if (!this.previous && !this._sources.length && !this.generatedError) { + this.end(); + return true; + } +}; + +/** + * @see GenericWorker.error + */ +ZipFileWorker.prototype.error = function (e) { + var sources = this._sources; + if(!GenericWorker.prototype.error.call(this, e)) { + return false; + } + for(var i = 0; i < sources.length; i++) { + try { + sources[i].error(e); + } catch(e) { + // the `error` exploded, nothing to do + } + } + return true; +}; + +/** + * @see GenericWorker.lock + */ +ZipFileWorker.prototype.lock = function () { + GenericWorker.prototype.lock.call(this); + var sources = this._sources; + for(var i = 0; i < sources.length; i++) { + sources[i].lock(); + } +}; + +module.exports = ZipFileWorker; + +},{"../crc32":4,"../signature":23,"../stream/GenericWorker":28,"../utf8":31,"../utils":32}],9:[function(require,module,exports){ +'use strict'; + +var compressions = require('../compressions'); +var ZipFileWorker = require('./ZipFileWorker'); + +/** + * Find the compression to use. + * @param {String} fileCompression the compression defined at the file level, if any. + * @param {String} zipCompression the compression defined at the load() level. + * @return {Object} the compression object to use. + */ +var getCompression = function (fileCompression, zipCompression) { + + var compressionName = fileCompression || zipCompression; + var compression = compressions[compressionName]; + if (!compression) { + throw new Error(compressionName + " is not a valid compression method !"); + } + return compression; +}; + +/** + * Create a worker to generate a zip file. + * @param {JSZip} zip the JSZip instance at the right root level. + * @param {Object} options to generate the zip file. + * @param {String} comment the comment to use. + */ +exports.generateWorker = function (zip, options, comment) { + + var zipFileWorker = new ZipFileWorker(options.streamFiles, comment, options.platform, options.encodeFileName); + var entriesCount = 0; + try { + + zip.forEach(function (relativePath, file) { + entriesCount++; + var compression = getCompression(file.options.compression, options.compression); + var compressionOptions = file.options.compressionOptions || options.compressionOptions || {}; + var dir = file.dir, date = file.date; + + file._compressWorker(compression, compressionOptions) + .withStreamInfo("file", { + name : relativePath, + dir : dir, + date : date, + comment : file.comment || "", + unixPermissions : file.unixPermissions, + dosPermissions : file.dosPermissions + }) + .pipe(zipFileWorker); + }); + zipFileWorker.entriesCount = entriesCount; + } catch (e) { + zipFileWorker.error(e); + } + + return zipFileWorker; +}; + +},{"../compressions":3,"./ZipFileWorker":8}],10:[function(require,module,exports){ +'use strict'; + +/** + * Representation a of zip file in js + * @constructor + */ +function JSZip() { + // if this constructor is used without `new`, it adds `new` before itself: + if(!(this instanceof JSZip)) { + return new JSZip(); + } + + if(arguments.length) { + throw new Error("The constructor with parameters has been removed in JSZip 3.0, please check the upgrade guide."); + } + + // object containing the files : + // { + // "folder/" : {...}, + // "folder/data.txt" : {...} + // } + this.files = {}; + + this.comment = null; + + // Where we are in the hierarchy + this.root = ""; + 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.loadAsync = require('./load'); +JSZip.support = require('./support'); +JSZip.defaults = require('./defaults'); + +// TODO find a better way to handle this version, +// a require('package.json').version doesn't work with webpack, see #327 +JSZip.version = "3.1.3"; + +JSZip.loadAsync = function (content, options) { + return new JSZip().loadAsync(content, options); +}; + +JSZip.external = require("./external"); +module.exports = JSZip; + +},{"./defaults":5,"./external":6,"./load":11,"./object":15,"./support":30}],11:[function(require,module,exports){ +'use strict'; +var utils = require('./utils'); +var external = require("./external"); +var utf8 = require('./utf8'); +var utils = require('./utils'); +var ZipEntries = require('./zipEntries'); +var Crc32Probe = require('./stream/Crc32Probe'); +var nodejsUtils = require("./nodejsUtils"); + +/** + * Check the CRC32 of an entry. + * @param {ZipEntry} zipEntry the zip entry to check. + * @return {Promise} the result. + */ +function checkEntryCRC32(zipEntry) { + return new external.Promise(function (resolve, reject) { + var worker = zipEntry.decompressed.getContentWorker().pipe(new Crc32Probe()); + worker.on("error", function (e) { + reject(e); + }) + .on("end", function () { + if (worker.streamInfo.crc32 !== zipEntry.decompressed.crc32) { + reject(new Error("Corrupted zip : CRC32 mismatch")); + } else { + resolve(); + } + }) + .resume(); + }); +} + +module.exports = function(data, options) { + var zip = this; + options = utils.extend(options || {}, { + base64: false, + checkCRC32: false, + optimizedBinaryString: false, + createFolders: false, + decodeFileName: utf8.utf8decode + }); + + if (nodejsUtils.isNode && nodejsUtils.isStream(data)) { + return external.Promise.reject(new Error("JSZip can't accept a stream when loading a zip file.")); + } + + return utils.prepareContent("the loaded zip file", data, true, options.optimizedBinaryString, options.base64) + .then(function(data) { + var zipEntries = new ZipEntries(options); + zipEntries.load(data); + return zipEntries; + }).then(function checkCRC32(zipEntries) { + var promises = [external.Promise.resolve(zipEntries)]; + var files = zipEntries.files; + if (options.checkCRC32) { + for (var i = 0; i < files.length; i++) { + promises.push(checkEntryCRC32(files[i])); + } + } + return external.Promise.all(promises); + }).then(function addFiles(results) { + var zipEntries = results.shift(); + var files = zipEntries.files; + for (var i = 0; i < files.length; i++) { + var input = files[i]; + zip.file(input.fileNameStr, input.decompressed, { + binary: true, + optimizedBinaryString: true, + date: input.date, + dir: input.dir, + comment : input.fileCommentStr.length ? input.fileCommentStr : null, + unixPermissions : input.unixPermissions, + dosPermissions : input.dosPermissions, + createFolders: options.createFolders + }); + } + if (zipEntries.zipComment.length) { + zip.comment = zipEntries.zipComment; + } + + return zip; + }); +}; + +},{"./external":6,"./nodejsUtils":14,"./stream/Crc32Probe":25,"./utf8":31,"./utils":32,"./zipEntries":33}],12:[function(require,module,exports){ +"use strict"; + +var utils = require('../utils'); +var GenericWorker = require('../stream/GenericWorker'); + +/** + * A worker that use a nodejs stream as source. + * @constructor + * @param {String} filename the name of the file entry for this stream. + * @param {Readable} stream the nodejs stream. + */ +function NodejsStreamInputAdapter(filename, stream) { + GenericWorker.call(this, "Nodejs stream input adapter for " + filename); + this._upstreamEnded = false; + this._bindStream(stream); +} + +utils.inherits(NodejsStreamInputAdapter, GenericWorker); + +/** + * Prepare the stream and bind the callbacks on it. + * Do this ASAP on node 0.10 ! A lazy binding doesn't always work. + * @param {Stream} stream the nodejs stream to use. + */ +NodejsStreamInputAdapter.prototype._bindStream = function (stream) { + var self = this; + this._stream = stream; + stream.pause(); + stream + .on("data", function (chunk) { + self.push({ + data: chunk, + meta : { + percent : 0 + } + }); + }) + .on("error", function (e) { + if(self.isPaused) { + this.generatedError = e; + } else { + self.error(e); + } + }) + .on("end", function () { + if(self.isPaused) { + self._upstreamEnded = true; + } else { + self.end(); + } + }); +}; +NodejsStreamInputAdapter.prototype.pause = function () { + if(!GenericWorker.prototype.pause.call(this)) { + return false; + } + this._stream.pause(); + return true; +}; +NodejsStreamInputAdapter.prototype.resume = function () { + if(!GenericWorker.prototype.resume.call(this)) { + return false; + } + + if(this._upstreamEnded) { + this.end(); + } else { + this._stream.resume(); + } + + return true; +}; + +module.exports = NodejsStreamInputAdapter; + +},{"../stream/GenericWorker":28,"../utils":32}],13:[function(require,module,exports){ +'use strict'; + +var Readable = require('readable-stream').Readable; + +var utils = require('../utils'); +utils.inherits(NodejsStreamOutputAdapter, Readable); + +/** +* A nodejs stream using a worker as source. +* @see the SourceWrapper in http://nodejs.org/api/stream.html +* @constructor +* @param {StreamHelper} helper the helper wrapping the worker +* @param {Object} options the nodejs stream options +* @param {Function} updateCb the update callback. +*/ +function NodejsStreamOutputAdapter(helper, options, updateCb) { + Readable.call(this, options); + this._helper = helper; + + var self = this; + helper.on("data", function (data, meta) { + if (!self.push(data)) { + self._helper.pause(); + } + if(updateCb) { + updateCb(meta); + } + }) + .on("error", function(e) { + self.emit('error', e); + }) + .on("end", function () { + self.push(null); + }); +} + + +NodejsStreamOutputAdapter.prototype._read = function() { + this._helper.resume(); +}; + +module.exports = NodejsStreamOutputAdapter; + +},{"../utils":32,"readable-stream":16}],14:[function(require,module,exports){ +'use strict'; + +module.exports = { + /** + * True if this is running in Nodejs, will be undefined in a browser. + * In a browser, browserify won't include this file and the whole module + * will be resolved an empty object. + */ + isNode : typeof Buffer !== "undefined", + /** + * Create a new nodejs Buffer. + * @param {Object} data the data to pass to the constructor. + * @param {String} encoding the encoding to use. + * @return {Buffer} a new Buffer. + */ + newBuffer : function(data, encoding){ + return new Buffer(data, encoding); + }, + /** + * Find out if an object is a Buffer. + * @param {Object} b the object to test. + * @return {Boolean} true if the object is a Buffer, false otherwise. + */ + isBuffer : function(b){ + return Buffer.isBuffer(b); + }, + + isStream : function (obj) { + return obj && + typeof obj.on === "function" && + typeof obj.pause === "function" && + typeof obj.resume === "function"; + } +}; + +},{}],15:[function(require,module,exports){ +'use strict'; +var utf8 = require('./utf8'); +var utils = require('./utils'); +var GenericWorker = require('./stream/GenericWorker'); +var StreamHelper = require('./stream/StreamHelper'); +var defaults = require('./defaults'); +var CompressedObject = require('./compressedObject'); +var ZipObject = require('./zipObject'); +var generate = require("./generate"); +var nodejsUtils = require("./nodejsUtils"); +var NodejsStreamInputAdapter = require("./nodejs/NodejsStreamInputAdapter"); + + +/** + * 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} originalOptions the options of the file + * @return {Object} the new file. + */ +var fileAdd = function(name, data, originalOptions) { + // be sure sub folders exist + var dataType = utils.getTypeOf(data), + parent; + + + /* + * Correct options. + */ + + var o = utils.extend(originalOptions || {}, defaults); + o.date = o.date || new Date(); + if (o.compression !== null) { + o.compression = o.compression.toUpperCase(); + } + + 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); + } + + var isUnicodeString = dataType === "string" && o.binary === false && o.base64 === false; + if (!originalOptions || typeof originalOptions.binary === "undefined") { + o.binary = !isUnicodeString; + } + + + var isCompressedEmpty = (data instanceof CompressedObject) && data.uncompressedSize === 0; + + if (isCompressedEmpty || o.dir || !data || data.length === 0) { + o.base64 = false; + o.binary = true; + data = ""; + o.compression = "STORE"; + dataType = "string"; + } + + /* + * Convert content to fit. + */ + + var zipObjectContent = null; + if (data instanceof CompressedObject || data instanceof GenericWorker) { + zipObjectContent = data; + } else if (nodejsUtils.isNode && nodejsUtils.isStream(data)) { + zipObjectContent = new NodejsStreamInputAdapter(name, data); + } else { + zipObjectContent = utils.prepareContent(name, data, o.binary, o.optimizedBinaryString, o.base64); + } + + var object = new ZipObject(name, zipObjectContent, o); + this.files[name] = object; + /* + TODO: we can't throw an exception because we have async promises + (we can have a promise of a Date() for example) but returning a + promise is useless because file(name, data) returns the JSZip + object for chaining. Should we break that to allow the user + to catch the error ? + + return external.Promise.resolve(zipObjectContent) + .then(function () { + 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 : defaults.createFolders; + + 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]; +}; + +/** +* Cross-window, cross-Node-context regular expression detection +* @param {Object} object Anything +* @return {Boolean} true if the object is a regular expression, +* false otherwise +*/ +function isRegExp(object) { + return Object.prototype.toString.call(object) === "[object RegExp]"; +} + +// return the actual prototype of JSZip +var out = { + /** + * @see loadAsync + */ + load: function() { + throw new Error("This method has been removed in JSZip 3.0, please check the upgrade guide."); + }, + + + /** + * Call a callback function for each entry at this folder level. + * @param {Function} cb the callback function: + * function (relativePath, file) {...} + * It takes 2 arguments : the relative path and the file. + */ + forEach: function(cb) { + var filename, relativePath, file; + for (filename in this.files) { + if (!this.files.hasOwnProperty(filename)) { + continue; + } + file = this.files[filename]; + relativePath = filename.slice(this.root.length, filename.length); + if (relativePath && filename.slice(0, this.root.length) === this.root) { // the file is in the current root + cb(relativePath, file); // TODO reverse the parameters ? need to be clean AND consistent with the filter search fn... + } + } + }, + + /** + * 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 = []; + this.forEach(function (relativePath, entry) { + if (search(relativePath, entry)) { // the file matches the function + result.push(entry); + } + + }); + 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 (isRegExp(name)) { + var regexp = name; + return this.filter(function(relativePath, file) { + return !file.dir && regexp.test(relativePath); + }); + } + else { // text + var obj = this.files[this.root + name]; + if (obj && !obj.dir) { + return obj; + } else { + return 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 (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 : + * - 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) { + throw new Error("This method has been removed in JSZip 3.0, please check the upgrade guide."); + }, + + /** + * Generate the complete zip file as an internal stream. + * @param {Object} options the options to generate the zip file : + * - compression, "STORE" by default. + * - type, "base64" by default. Values are : string, base64, uint8array, arraybuffer, blob. + * @return {StreamHelper} the streamed zip file. + */ + generateInternalStream: function(options) { + var worker, opts = {}; + try { + opts = utils.extend(options || {}, { + streamFiles: false, + compression: "STORE", + compressionOptions : null, + type: "", + platform: "DOS", + comment: null, + mimeType: 'application/zip', + encodeFileName: utf8.utf8encode + }); + + opts.type = opts.type.toLowerCase(); + opts.compression = opts.compression.toUpperCase(); + + // "binarystring" is prefered but the internals use "string". + if(opts.type === "binarystring") { + opts.type = "string"; + } + + if (!opts.type) { + throw new Error("No output type specified."); + } + + utils.checkSupport(opts.type); + + // accept nodejs `process.platform` + if( + opts.platform === 'darwin' || + opts.platform === 'freebsd' || + opts.platform === 'linux' || + opts.platform === 'sunos' + ) { + opts.platform = "UNIX"; + } + if (opts.platform === 'win32') { + opts.platform = "DOS"; + } + + var comment = opts.comment || this.comment || ""; + worker = generate.generateWorker(this, opts, comment); + } catch (e) { + worker = new GenericWorker("error"); + worker.error(e); + } + return new StreamHelper(worker, opts.type || "string", opts.mimeType); + }, + /** + * Generate the complete zip file asynchronously. + * @see generateInternalStream + */ + generateAsync: function(options, onUpdate) { + return this.generateInternalStream(options).accumulate(onUpdate); + }, + /** + * Generate the complete zip file asynchronously. + * @see generateInternalStream + */ + generateNodeStream: function(options, onUpdate) { + options = options || {}; + if (!options.type) { + options.type = "nodebuffer"; + } + return this.generateInternalStream(options).toNodejsStream(onUpdate); + } +}; +module.exports = out; + +},{"./compressedObject":2,"./defaults":5,"./generate":9,"./nodejs/NodejsStreamInputAdapter":12,"./nodejsUtils":14,"./stream/GenericWorker":28,"./stream/StreamHelper":29,"./utf8":31,"./utils":32,"./zipObject":35}],16:[function(require,module,exports){ +/* + * This file is used by module bundlers (browserify/webpack/etc) when + * including a stream implementation. We use "readable-stream" to get a + * consistent behavior between nodejs versions but bundlers often have a shim + * for "stream". Using this shim greatly improve the compatibility and greatly + * reduce the final size of the bundle (only one stream implementation, not + * two). + */ +module.exports = require("stream"); + +},{"stream":undefined}],17:[function(require,module,exports){ +'use strict'; +var DataReader = require('./DataReader'); +var utils = require('../utils'); + +function ArrayReader(data) { + DataReader.call(this, data); + for(var i = 0; i < this.data.length; i++) { + data[i] = data[i] & 0xFF; + } +} +utils.inherits(ArrayReader, DataReader); +/** + * @see DataReader.byteAt + */ +ArrayReader.prototype.byteAt = function(i) { + return this.data[this.zero + i]; +}; +/** + * @see DataReader.lastIndexOfSignature + */ +ArrayReader.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 - this.zero; + } + } + + return -1; +}; +/** + * @see DataReader.readAndCheckSignature + */ +ArrayReader.prototype.readAndCheckSignature = function (sig) { + var sig0 = sig.charCodeAt(0), + sig1 = sig.charCodeAt(1), + sig2 = sig.charCodeAt(2), + sig3 = sig.charCodeAt(3), + data = this.readData(4); + return sig0 === data[0] && sig1 === data[1] && sig2 === data[2] && sig3 === data[3]; +}; +/** + * @see DataReader.readData + */ +ArrayReader.prototype.readData = function(size) { + this.checkOffset(size); + if(size === 0) { + return []; + } + var result = this.data.slice(this.zero + this.index, this.zero + this.index + size); + this.index += size; + return result; +}; +module.exports = ArrayReader; + +},{"../utils":32,"./DataReader":18}],18:[function(require,module,exports){ +'use strict'; +var utils = require('../utils'); + +function DataReader(data) { + this.data = data; // type : see implementation + this.length = data.length; + this.index = 0; + this.zero = 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 < this.zero + 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, 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 + }, + /** + * Read the signature (4 bytes) at the current position and compare it with sig. + * @param {string} sig the expected signature + * @return {boolean} true if the signature matches, false otherwise. + */ + readAndCheckSignature: function(sig) { + // see implementations + }, + /** + * Get the next date. + * @return {Date} the date. + */ + readDate: function() { + var dostime = this.readInt(4); + return new Date(Date.UTC( + ((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; + +},{"../utils":32}],19:[function(require,module,exports){ +'use strict'; +var Uint8ArrayReader = require('./Uint8ArrayReader'); +var utils = require('../utils'); + +function NodeBufferReader(data) { + Uint8ArrayReader.call(this, data); +} +utils.inherits(NodeBufferReader, Uint8ArrayReader); + +/** + * @see DataReader.readData + */ +NodeBufferReader.prototype.readData = function(size) { + this.checkOffset(size); + var result = this.data.slice(this.zero + this.index, this.zero + this.index + size); + this.index += size; + return result; +}; +module.exports = NodeBufferReader; + +},{"../utils":32,"./Uint8ArrayReader":21}],20:[function(require,module,exports){ +'use strict'; +var DataReader = require('./DataReader'); +var utils = require('../utils'); + +function StringReader(data) { + DataReader.call(this, data); +} +utils.inherits(StringReader, DataReader); +/** + * @see DataReader.byteAt + */ +StringReader.prototype.byteAt = function(i) { + return this.data.charCodeAt(this.zero + i); +}; +/** + * @see DataReader.lastIndexOfSignature + */ +StringReader.prototype.lastIndexOfSignature = function(sig) { + return this.data.lastIndexOf(sig) - this.zero; +}; +/** + * @see DataReader.readAndCheckSignature + */ +StringReader.prototype.readAndCheckSignature = function (sig) { + var data = this.readData(4); + return sig === data; +}; +/** + * @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.zero + this.index, this.zero + this.index + size); + this.index += size; + return result; +}; +module.exports = StringReader; + +},{"../utils":32,"./DataReader":18}],21:[function(require,module,exports){ +'use strict'; +var ArrayReader = require('./ArrayReader'); +var utils = require('../utils'); + +function Uint8ArrayReader(data) { + ArrayReader.call(this, data); +} +utils.inherits(Uint8ArrayReader, ArrayReader); +/** + * @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.zero + this.index, this.zero + this.index + size); + this.index += size; + return result; +}; +module.exports = Uint8ArrayReader; + +},{"../utils":32,"./ArrayReader":17}],22:[function(require,module,exports){ +'use strict'; + +var utils = require('../utils'); +var support = require('../support'); +var ArrayReader = require('./ArrayReader'); +var StringReader = require('./StringReader'); +var NodeBufferReader = require('./NodeBufferReader'); +var Uint8ArrayReader = require('./Uint8ArrayReader'); + +/** + * Create a reader adapted to the data. + * @param {String|ArrayBuffer|Uint8Array|Buffer} data the data to read. + * @return {DataReader} the data reader. + */ +module.exports = function (data) { + var type = utils.getTypeOf(data); + utils.checkSupport(type); + if (type === "string" && !support.uint8array) { + return new StringReader(data); + } + if (type === "nodebuffer") { + return new NodeBufferReader(data); + } + if (support.uint8array) { + return new Uint8ArrayReader(utils.transformTo("uint8array", data)); + } + return new ArrayReader(utils.transformTo("array", data)); +}; + +},{"../support":30,"../utils":32,"./ArrayReader":17,"./NodeBufferReader":19,"./StringReader":20,"./Uint8ArrayReader":21}],23:[function(require,module,exports){ +'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"; + +},{}],24:[function(require,module,exports){ +'use strict'; + +var GenericWorker = require('./GenericWorker'); +var utils = require('../utils'); + +/** + * A worker which convert chunks to a specified type. + * @constructor + * @param {String} destType the destination type. + */ +function ConvertWorker(destType) { + GenericWorker.call(this, "ConvertWorker to " + destType); + this.destType = destType; +} +utils.inherits(ConvertWorker, GenericWorker); + +/** + * @see GenericWorker.processChunk + */ +ConvertWorker.prototype.processChunk = function (chunk) { + this.push({ + data : utils.transformTo(this.destType, chunk.data), + meta : chunk.meta + }); +}; +module.exports = ConvertWorker; + +},{"../utils":32,"./GenericWorker":28}],25:[function(require,module,exports){ +'use strict'; + +var GenericWorker = require('./GenericWorker'); +var crc32 = require('../crc32'); +var utils = require('../utils'); + +/** + * A worker which calculate the crc32 of the data flowing through. + * @constructor + */ +function Crc32Probe() { + GenericWorker.call(this, "Crc32Probe"); + this.withStreamInfo("crc32", 0); +} +utils.inherits(Crc32Probe, GenericWorker); + +/** + * @see GenericWorker.processChunk + */ +Crc32Probe.prototype.processChunk = function (chunk) { + this.streamInfo.crc32 = crc32(chunk.data, this.streamInfo.crc32 || 0); + this.push(chunk); +}; +module.exports = Crc32Probe; + +},{"../crc32":4,"../utils":32,"./GenericWorker":28}],26:[function(require,module,exports){ +'use strict'; + +var utils = require('../utils'); +var GenericWorker = require('./GenericWorker'); + +/** + * A worker which calculate the total length of the data flowing through. + * @constructor + * @param {String} propName the name used to expose the length + */ +function DataLengthProbe(propName) { + GenericWorker.call(this, "DataLengthProbe for " + propName); + this.propName = propName; + this.withStreamInfo(propName, 0); +} +utils.inherits(DataLengthProbe, GenericWorker); + +/** + * @see GenericWorker.processChunk + */ +DataLengthProbe.prototype.processChunk = function (chunk) { + if(chunk) { + var length = this.streamInfo[this.propName] || 0; + this.streamInfo[this.propName] = length + chunk.data.length; + } + GenericWorker.prototype.processChunk.call(this, chunk); +}; +module.exports = DataLengthProbe; + + +},{"../utils":32,"./GenericWorker":28}],27:[function(require,module,exports){ +'use strict'; + +var utils = require('../utils'); +var GenericWorker = require('./GenericWorker'); + +// the size of the generated chunks +// TODO expose this as a public variable +var DEFAULT_BLOCK_SIZE = 16 * 1024; + +/** + * A worker that reads a content and emits chunks. + * @constructor + * @param {Promise} dataP the promise of the data to split + */ +function DataWorker(dataP) { + GenericWorker.call(this, "DataWorker"); + var self = this; + this.dataIsReady = false; + this.index = 0; + this.max = 0; + this.data = null; + this.type = ""; + + this._tickScheduled = false; + + dataP.then(function (data) { + self.dataIsReady = true; + self.data = data; + self.max = data && data.length || 0; + self.type = utils.getTypeOf(data); + if(!self.isPaused) { + self._tickAndRepeat(); + } + }, function (e) { + self.error(e); + }); +} + +utils.inherits(DataWorker, GenericWorker); + +/** + * @see GenericWorker.cleanUp + */ +DataWorker.prototype.cleanUp = function () { + GenericWorker.prototype.cleanUp.call(this); + this.data = null; +}; + +/** + * @see GenericWorker.resume + */ +DataWorker.prototype.resume = function () { + if(!GenericWorker.prototype.resume.call(this)) { + return false; + } + + if (!this._tickScheduled && this.dataIsReady) { + this._tickScheduled = true; + utils.delay(this._tickAndRepeat, [], this); + } + return true; +}; + +/** + * Trigger a tick a schedule an other call to this function. + */ +DataWorker.prototype._tickAndRepeat = function() { + this._tickScheduled = false; + if(this.isPaused || this.isFinished) { + return; + } + this._tick(); + if(!this.isFinished) { + utils.delay(this._tickAndRepeat, [], this); + this._tickScheduled = true; + } +}; + +/** + * Read and push a chunk. + */ +DataWorker.prototype._tick = function() { + + if(this.isPaused || this.isFinished) { + return false; + } + + var size = DEFAULT_BLOCK_SIZE; + var data = null, nextIndex = Math.min(this.max, this.index + size); + if (this.index >= this.max) { + // EOF + return this.end(); + } else { + switch(this.type) { + case "string": + data = this.data.substring(this.index, nextIndex); + break; + case "uint8array": + data = this.data.subarray(this.index, nextIndex); + break; + case "array": + case "nodebuffer": + data = this.data.slice(this.index, nextIndex); + break; + } + this.index = nextIndex; + return this.push({ + data : data, + meta : { + percent : this.max ? this.index / this.max * 100 : 0 + } + }); + } +}; + +module.exports = DataWorker; + +},{"../utils":32,"./GenericWorker":28}],28:[function(require,module,exports){ +'use strict'; + +/** + * A worker that does nothing but passing chunks to the next one. This is like + * a nodejs stream but with some differences. On the good side : + * - it works on IE 6-9 without any issue / polyfill + * - it weights less than the full dependencies bundled with browserify + * - it forwards errors (no need to declare an error handler EVERYWHERE) + * + * A chunk is an object with 2 attributes : `meta` and `data`. The former is an + * object containing anything (`percent` for example), see each worker for more + * details. The latter is the real data (String, Uint8Array, etc). + * + * @constructor + * @param {String} name the name of the stream (mainly used for debugging purposes) + */ +function GenericWorker(name) { + // the name of the worker + this.name = name || "default"; + // an object containing metadata about the workers chain + this.streamInfo = {}; + // an error which happened when the worker was paused + this.generatedError = null; + // an object containing metadata to be merged by this worker into the general metadata + this.extraStreamInfo = {}; + // true if the stream is paused (and should not do anything), false otherwise + this.isPaused = true; + // true if the stream is finished (and should not do anything), false otherwise + this.isFinished = false; + // true if the stream is locked to prevent further structure updates (pipe), false otherwise + this.isLocked = false; + // the event listeners + this._listeners = { + 'data':[], + 'end':[], + 'error':[] + }; + // the previous worker, if any + this.previous = null; +} + +GenericWorker.prototype = { + /** + * Push a chunk to the next workers. + * @param {Object} chunk the chunk to push + */ + push : function (chunk) { + this.emit("data", chunk); + }, + /** + * End the stream. + * @return {Boolean} true if this call ended the worker, false otherwise. + */ + end : function () { + if (this.isFinished) { + return false; + } + + this.flush(); + try { + this.emit("end"); + this.cleanUp(); + this.isFinished = true; + } catch (e) { + this.emit("error", e); + } + return true; + }, + /** + * End the stream with an error. + * @param {Error} e the error which caused the premature end. + * @return {Boolean} true if this call ended the worker with an error, false otherwise. + */ + error : function (e) { + if (this.isFinished) { + return false; + } + + if(this.isPaused) { + this.generatedError = e; + } else { + this.isFinished = true; + + this.emit("error", e); + + // in the workers chain exploded in the middle of the chain, + // the error event will go downward but we also need to notify + // workers upward that there has been an error. + if(this.previous) { + this.previous.error(e); + } + + this.cleanUp(); + } + return true; + }, + /** + * Add a callback on an event. + * @param {String} name the name of the event (data, end, error) + * @param {Function} listener the function to call when the event is triggered + * @return {GenericWorker} the current object for chainability + */ + on : function (name, listener) { + this._listeners[name].push(listener); + return this; + }, + /** + * Clean any references when a worker is ending. + */ + cleanUp : function () { + this.streamInfo = this.generatedError = this.extraStreamInfo = null; + this._listeners = []; + }, + /** + * Trigger an event. This will call registered callback with the provided arg. + * @param {String} name the name of the event (data, end, error) + * @param {Object} arg the argument to call the callback with. + */ + emit : function (name, arg) { + if (this._listeners[name]) { + for(var i = 0; i < this._listeners[name].length; i++) { + this._listeners[name][i].call(this, arg); + } + } + }, + /** + * Chain a worker with an other. + * @param {Worker} next the worker receiving events from the current one. + * @return {worker} the next worker for chainability + */ + pipe : function (next) { + return next.registerPrevious(this); + }, + /** + * Same as `pipe` in the other direction. + * Using an API with `pipe(next)` is very easy. + * Implementing the API with the point of view of the next one registering + * a source is easier, see the ZipFileWorker. + * @param {Worker} previous the previous worker, sending events to this one + * @return {Worker} the current worker for chainability + */ + registerPrevious : function (previous) { + if (this.isLocked) { + throw new Error("The stream '" + this + "' has already been used."); + } + + // sharing the streamInfo... + this.streamInfo = previous.streamInfo; + // ... and adding our own bits + this.mergeStreamInfo(); + this.previous = previous; + var self = this; + previous.on('data', function (chunk) { + self.processChunk(chunk); + }); + previous.on('end', function () { + self.end(); + }); + previous.on('error', function (e) { + self.error(e); + }); + return this; + }, + /** + * Pause the stream so it doesn't send events anymore. + * @return {Boolean} true if this call paused the worker, false otherwise. + */ + pause : function () { + if(this.isPaused || this.isFinished) { + return false; + } + this.isPaused = true; + + if(this.previous) { + this.previous.pause(); + } + return true; + }, + /** + * Resume a paused stream. + * @return {Boolean} true if this call resumed the worker, false otherwise. + */ + resume : function () { + if(!this.isPaused || this.isFinished) { + return false; + } + this.isPaused = false; + + // if true, the worker tried to resume but failed + var withError = false; + if(this.generatedError) { + this.error(this.generatedError); + withError = true; + } + if(this.previous) { + this.previous.resume(); + } + + return !withError; + }, + /** + * Flush any remaining bytes as the stream is ending. + */ + flush : function () {}, + /** + * Process a chunk. This is usually the method overridden. + * @param {Object} chunk the chunk to process. + */ + processChunk : function(chunk) { + this.push(chunk); + }, + /** + * Add a key/value to be added in the workers chain streamInfo once activated. + * @param {String} key the key to use + * @param {Object} value the associated value + * @return {Worker} the current worker for chainability + */ + withStreamInfo : function (key, value) { + this.extraStreamInfo[key] = value; + this.mergeStreamInfo(); + return this; + }, + /** + * Merge this worker's streamInfo into the chain's streamInfo. + */ + mergeStreamInfo : function () { + for(var key in this.extraStreamInfo) { + if (!this.extraStreamInfo.hasOwnProperty(key)) { + continue; + } + this.streamInfo[key] = this.extraStreamInfo[key]; + } + }, + + /** + * Lock the stream to prevent further updates on the workers chain. + * After calling this method, all calls to pipe will fail. + */ + lock: function () { + if (this.isLocked) { + throw new Error("The stream '" + this + "' has already been used."); + } + this.isLocked = true; + if (this.previous) { + this.previous.lock(); + } + }, + + /** + * + * Pretty print the workers chain. + */ + toString : function () { + var me = "Worker " + this.name; + if (this.previous) { + return this.previous + " -> " + me; + } else { + return me; + } + } +}; + +module.exports = GenericWorker; + +},{}],29:[function(require,module,exports){ +'use strict'; + +var utils = require('../utils'); +var ConvertWorker = require('./ConvertWorker'); +var GenericWorker = require('./GenericWorker'); +var base64 = require('../base64'); +var support = require("../support"); +var external = require("../external"); + +var NodejsStreamOutputAdapter = null; +if (support.nodestream) { + try { + NodejsStreamOutputAdapter = require('../nodejs/NodejsStreamOutputAdapter'); + } catch(e) {} +} + +/** + * Apply the final transformation of the data. If the user wants a Blob for + * example, it's easier to work with an U8intArray and finally do the + * ArrayBuffer/Blob conversion. + * @param {String} resultType the name of the final type + * @param {String} chunkType the type of the data in the given array. + * @param {Array} dataArray the array containing the data chunks to concatenate + * @param {String|Uint8Array|Buffer} content the content to transform + * @param {String} mimeType the mime type of the content, if applicable. + * @return {String|Uint8Array|ArrayBuffer|Buffer|Blob} the content in the right format. + */ +function transformZipOutput(resultType, chunkType, dataArray, mimeType) { + var content = null; + switch(resultType) { + case "blob" : + return utils.newBlob(dataArray, mimeType); + case "base64" : + content = concat(chunkType, dataArray); + return base64.encode(content); + default : + content = concat(chunkType, dataArray); + return utils.transformTo(resultType, content); + } +} + +/** + * Concatenate an array of data of the given type. + * @param {String} type the type of the data in the given array. + * @param {Array} dataArray the array containing the data chunks to concatenate + * @return {String|Uint8Array|Buffer} the concatenated data + * @throws Error if the asked type is unsupported + */ +function concat (type, dataArray) { + var i, index = 0, res = null, totalLength = 0; + for(i = 0; i < dataArray.length; i++) { + totalLength += dataArray[i].length; + } + switch(type) { + case "string": + return dataArray.join(""); + case "array": + return Array.prototype.concat.apply([], dataArray); + case "uint8array": + res = new Uint8Array(totalLength); + for(i = 0; i < dataArray.length; i++) { + res.set(dataArray[i], index); + index += dataArray[i].length; + } + return res; + case "nodebuffer": + return Buffer.concat(dataArray); + default: + throw new Error("concat : unsupported type '" + type + "'"); + } +} + +/** + * Listen a StreamHelper, accumulate its content and concatenate it into a + * complete block. + * @param {StreamHelper} helper the helper to use. + * @param {Function} updateCallback a callback called on each update. Called + * with one arg : + * - the metadata linked to the update received. + * @return Promise the promise for the accumulation. + */ +function accumulate(helper, updateCallback) { + return new external.Promise(function (resolve, reject){ + var dataArray = []; + var chunkType = helper._internalType, + resultType = helper._outputType, + mimeType = helper._mimeType; + helper + .on('data', function (data, meta) { + dataArray.push(data); + if(updateCallback) { + updateCallback(meta); + } + }) + .on('error', function(err) { + dataArray = []; + reject(err); + }) + .on('end', function (){ + try { + var result = transformZipOutput(resultType, chunkType, dataArray, mimeType); + resolve(result); + } catch (e) { + reject(e); + } + dataArray = []; + }) + .resume(); + }); +} + +/** + * An helper to easily use workers outside of JSZip. + * @constructor + * @param {Worker} worker the worker to wrap + * @param {String} outputType the type of data expected by the use + * @param {String} mimeType the mime type of the content, if applicable. + */ +function StreamHelper(worker, outputType, mimeType) { + var internalType = outputType; + switch(outputType) { + case "blob": + internalType = "arraybuffer"; + break; + case "arraybuffer": + internalType = "uint8array"; + break; + case "base64": + internalType = "string"; + break; + } + + try { + // the type used internally + this._internalType = internalType; + // the type used to output results + this._outputType = outputType; + // the mime type + this._mimeType = mimeType; + utils.checkSupport(internalType); + this._worker = worker.pipe(new ConvertWorker(internalType)); + // the last workers can be rewired without issues but we need to + // prevent any updates on previous workers. + worker.lock(); + } catch(e) { + this._worker = new GenericWorker("error"); + this._worker.error(e); + } +} + +StreamHelper.prototype = { + /** + * Listen a StreamHelper, accumulate its content and concatenate it into a + * complete block. + * @param {Function} updateCb the update callback. + * @return Promise the promise for the accumulation. + */ + accumulate : function (updateCb) { + return accumulate(this, updateCb); + }, + /** + * Add a listener on an event triggered on a stream. + * @param {String} evt the name of the event + * @param {Function} fn the listener + * @return {StreamHelper} the current helper. + */ + on : function (evt, fn) { + var self = this; + + if(evt === "data") { + this._worker.on(evt, function (chunk) { + fn.call(self, chunk.data, chunk.meta); + }); + } else { + this._worker.on(evt, function () { + utils.delay(fn, arguments, self); + }); + } + return this; + }, + /** + * Resume the flow of chunks. + * @return {StreamHelper} the current helper. + */ + resume : function () { + utils.delay(this._worker.resume, [], this._worker); + return this; + }, + /** + * Pause the flow of chunks. + * @return {StreamHelper} the current helper. + */ + pause : function () { + this._worker.pause(); + return this; + }, + /** + * Return a nodejs stream for this helper. + * @param {Function} updateCb the update callback. + * @return {NodejsStreamOutputAdapter} the nodejs stream. + */ + toNodejsStream : function (updateCb) { + utils.checkSupport("nodestream"); + if (this._outputType !== "nodebuffer") { + // an object stream containing blob/arraybuffer/uint8array/string + // is strange and I don't know if it would be useful. + // I you find this comment and have a good usecase, please open a + // bug report ! + throw new Error(this._outputType + " is not supported by this method"); + } + + return new NodejsStreamOutputAdapter(this, { + objectMode : this._outputType !== "nodebuffer" + }, updateCb); + } +}; + + +module.exports = StreamHelper; + +},{"../base64":1,"../external":6,"../nodejs/NodejsStreamOutputAdapter":13,"../support":30,"../utils":32,"./ConvertWorker":24,"./GenericWorker":28}],30:[function(require,module,exports){ +'use strict'; + +exports.base64 = true; +exports.array = true; +exports.string = true; +exports.arraybuffer = typeof ArrayBuffer !== "undefined" && typeof Uint8Array !== "undefined"; +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; + } + } +} + +try { + exports.nodestream = !!require('readable-stream').Readable; +} catch(e) { + exports.nodestream = false; +} + +},{"readable-stream":16}],31:[function(require,module,exports){ +'use strict'; + +var utils = require('./utils'); +var support = require('./support'); +var nodejsUtils = require('./nodejsUtils'); +var GenericWorker = require('./stream/GenericWorker'); + +/** + * 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 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 nodejsUtils.newBuffer(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); +}; + +/** + * A worker to decode utf8 encoded binary chunks into string chunks. + * @constructor + */ +function Utf8DecodeWorker() { + GenericWorker.call(this, "utf-8 decode"); + // the last bytes if a chunk didn't end with a complete codepoint. + this.leftOver = null; +} +utils.inherits(Utf8DecodeWorker, GenericWorker); + +/** + * @see GenericWorker.processChunk + */ +Utf8DecodeWorker.prototype.processChunk = function (chunk) { + + var data = utils.transformTo(support.uint8array ? "uint8array" : "array", chunk.data); + + // 1st step, re-use what's left of the previous chunk + if (this.leftOver && this.leftOver.length) { + if(support.uint8array) { + var previousData = data; + data = new Uint8Array(previousData.length + this.leftOver.length); + data.set(this.leftOver, 0); + data.set(previousData, this.leftOver.length); + } else { + data = this.leftOver.concat(data); + } + this.leftOver = null; + } + + var nextBoundary = utf8border(data); + var usableData = data; + if (nextBoundary !== data.length) { + if (support.uint8array) { + usableData = data.subarray(0, nextBoundary); + this.leftOver = data.subarray(nextBoundary, data.length); + } else { + usableData = data.slice(0, nextBoundary); + this.leftOver = data.slice(nextBoundary, data.length); + } + } + + this.push({ + data : exports.utf8decode(usableData), + meta : chunk.meta + }); +}; + +/** + * @see GenericWorker.flush + */ +Utf8DecodeWorker.prototype.flush = function () { + if(this.leftOver && this.leftOver.length) { + this.push({ + data : exports.utf8decode(this.leftOver), + meta : {} + }); + this.leftOver = null; + } +}; +exports.Utf8DecodeWorker = Utf8DecodeWorker; + +/** + * A worker to endcode string chunks into utf8 encoded binary chunks. + * @constructor + */ +function Utf8EncodeWorker() { + GenericWorker.call(this, "utf-8 encode"); +} +utils.inherits(Utf8EncodeWorker, GenericWorker); + +/** + * @see GenericWorker.processChunk + */ +Utf8EncodeWorker.prototype.processChunk = function (chunk) { + this.push({ + data : exports.utf8encode(chunk.data), + meta : chunk.meta + }); +}; +exports.Utf8EncodeWorker = Utf8EncodeWorker; + +},{"./nodejsUtils":14,"./stream/GenericWorker":28,"./support":30,"./utils":32}],32:[function(require,module,exports){ +'use strict'; + +var support = require('./support'); +var base64 = require('./base64'); +var nodejsUtils = require('./nodejsUtils'); +var setImmediate = require('core-js/library/fn/set-immediate'); +var external = require("./external"); + + +/** + * Convert a string that pass as a "binary string": it should represent a byte + * array but may have > 255 char codes. Be sure to take only the first byte + * and returns the byte array. + * @param {String} str the string to transform. + * @return {Array|Uint8Array} the string in a binary format. + */ +function string2binary(str) { + var result = null; + if (support.uint8array) { + result = new Uint8Array(str.length); + } else { + result = new Array(str.length); + } + return stringToArrayLike(str, result); +} + +/** + * Create a new blob with the given content and the given type. + * @param {Array[String|ArrayBuffer]} parts the content to put in the blob. DO NOT use + * an Uint8Array because the stock browser of android 4 won't accept it (it + * will be silently converted to a string, "[object Uint8Array]"). + * @param {String} type the mime type of the blob. + * @return {Blob} the created blob. + */ +exports.newBlob = function(parts, type) { + exports.checkSupport("blob"); + + try { + // Blob constructor + return new Blob(parts, { + type: type + }); + } + catch (e) { + + try { + // deprecated, browser only, old way + var Builder = window.BlobBuilder || window.WebKitBlobBuilder || window.MozBlobBuilder || window.MSBlobBuilder; + var builder = new Builder(); + for (var i = 0; i < parts.length; i++) { + builder.append(parts[i]); + } + return builder.getBlob(type); + } + 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; +} + +/** + * An helper for the function arrayLikeToString. + * This contains static informations and functions that + * can be optimized by the browser JIT compiler. + */ +var arrayToStringHelper = { + /** + * Transform an array of int into a string, chunk by chunk. + * See the performances notes on arrayLikeToString. + * @param {Array|ArrayBuffer|Uint8Array|Buffer} array the array to transform. + * @param {String} type the type of the array. + * @param {Integer} chunk the chunk size. + * @return {String} the resulting string. + * @throws Error if the chunk is too big for the stack. + */ + stringifyByChunk: function(array, type, chunk) { + var result = [], k = 0, len = array.length; + // shortcut + if (len <= chunk) { + return String.fromCharCode.apply(null, array); + } + while (k < len) { + 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; + } + return result.join(""); + }, + /** + * Call String.fromCharCode on every item in the array. + * This is the naive implementation, which generate A LOT of intermediate string. + * This should be used when everything else fail. + * @param {Array|ArrayBuffer|Uint8Array|Buffer} array the array to transform. + * @return {String} the result. + */ + stringifyByChar: function(array){ + var resultStr = ""; + for(var i = 0; i < array.length; i++) { + resultStr += String.fromCharCode(array[i]); + } + return resultStr; + }, + applyCanBeUsed : { + /** + * true if the browser accepts to use String.fromCharCode on Uint8Array + */ + uint8array : (function () { + try { + return support.uint8array && String.fromCharCode.apply(null, new Uint8Array(1)).length === 1; + } catch (e) { + return false; + } + })(), + /** + * true if the browser accepts to use String.fromCharCode on nodejs Buffer. + */ + nodebuffer : (function () { + try { + return support.nodebuffer && String.fromCharCode.apply(null, nodejsUtils.newBuffer(1)).length === 1; + } catch (e) { + return false; + } + })() + } +}; + +/** + * 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 + // TODO : we now have workers that split the work. Do we still need that ? + var chunk = 65536, + type = exports.getTypeOf(array), + canUseApply = true; + if (type === "uint8array") { + canUseApply = arrayToStringHelper.applyCanBeUsed.uint8array; + } else if (type === "nodebuffer") { + canUseApply = arrayToStringHelper.applyCanBeUsed.nodebuffer; + } + + if (canUseApply) { + while (chunk > 1) { + try { + return arrayToStringHelper.stringifyByChunk(array, type, chunk); + } catch (e) { + chunk = Math.floor(chunk / 2); + } + } + } + + // no apply or chunk error : slow and painful algorithm + // default browser on android 4.* + return arrayToStringHelper.stringifyByChar(array); +} + +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, nodejsUtils.newBuffer(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 nodejsUtils.newBuffer(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 nodejsUtils.newBuffer(new Uint8Array(input)); + } +}; + +// uint8array to ? +transform["uint8array"] = { + "string": arrayLikeToString, + "array": function(input) { + return arrayLikeToArrayLike(input, new Array(input.length)); + }, + "arraybuffer": function(input) { + // copy the uint8array: DO NOT propagate the original ArrayBuffer, it + // can be way larger (the whole zip file for example). + var copy = new Uint8Array(input.length); + if (input.length) { + copy.set(input, 0); + } + return copy.buffer; + }, + "uint8array": identity, + "nodebuffer": function(input) { + return nodejsUtils.newBuffer(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 && nodejsUtils.isBuffer(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 platform"); + } +}; + +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; +}; + +/** + * Defer the call of a function. + * @param {Function} callback the function to call asynchronously. + * @param {Array} args the arguments to give to the callback. + */ +exports.delay = function(callback, args, self) { + setImmediate(function () { + callback.apply(self || null, args || []); + }); +}; + +/** + * Extends a prototype with an other, without calling a constructor with + * side effects. Inspired by nodejs' `utils.inherits` + * @param {Function} ctor the constructor to augment + * @param {Function} superCtor the parent constructor to use + */ +exports.inherits = function (ctor, superCtor) { + var Obj = function() {}; + Obj.prototype = superCtor.prototype; + ctor.prototype = new Obj(); +}; + +/** + * 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. + */ +exports.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; +}; + +/** + * Transform arbitrary content into a Promise. + * @param {String} name a name for the content being processed. + * @param {Object} inputData the content to process. + * @param {Boolean} isBinary true if the content is not an unicode string + * @param {Boolean} isOptimizedBinaryString true if the string content only has one byte per character. + * @param {Boolean} isBase64 true if the string content is encoded with base64. + * @return {Promise} a promise in a format usable by JSZip. + */ +exports.prepareContent = function(name, inputData, isBinary, isOptimizedBinaryString, isBase64) { + + // if inputData is already a promise, this flatten it. + var promise = external.Promise.resolve(inputData).then(function(data) { + + + var isBlob = support.blob && (data instanceof Blob || ['[object File]', '[object Blob]'].indexOf(Object.prototype.toString.call(data)) !== -1); + + if (isBlob && typeof FileReader !== "undefined") { + return new external.Promise(function (resolve, reject) { + var reader = new FileReader(); + + reader.onload = function(e) { + resolve(e.target.result); + }; + reader.onerror = function(e) { + reject(e.target.error); + }; + reader.readAsArrayBuffer(data); + }); + } else { + return data; + } + }); + + return promise.then(function(data) { + var dataType = exports.getTypeOf(data); + + if (!dataType) { + return external.Promise.reject( + 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 = exports.transformTo("uint8array", data); + } else if (dataType === "string") { + if (isBase64) { + data = base64.decode(data); + } + else if (isBinary) { + // optimizedBinaryString === true means that the file has already been filtered with a 0xFF mask + if (isOptimizedBinaryString !== true) { + // this is a string, not in a base64 format. + // Be sure that this is a correct "binary string" + data = string2binary(data); + } + } + } + return data; + }); +}; + +},{"./base64":1,"./external":6,"./nodejsUtils":14,"./support":30,"core-js/library/fn/set-immediate":36}],33:[function(require,module,exports){ +'use strict'; +var readerFor = require('./reader/readerFor'); +var utils = require('./utils'); +var sig = require('./signature'); +var ZipEntry = require('./zipEntry'); +var utf8 = require('./utf8'); +var support = require('./support'); +// class ZipEntries {{{ +/** + * All the entries in the zip file. + * @constructor + * @param {Object} loadOptions Options for loading the stream. + */ +function ZipEntries(loadOptions) { + this.files = []; + this.loadOptions = loadOptions; +} +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) { + if (!this.reader.readAndCheckSignature(expectedSignature)) { + this.reader.index -= 4; + var signature = this.reader.readString(4); + throw new Error("Corrupted zip or bug: unexpected signature " + "(" + utils.pretty(signature) + ", expected " + utils.pretty(expectedSignature) + ")"); + } + }, + /** + * Check if the given signature is at the given index. + * @param {number} askedIndex the index to check. + * @param {string} expectedSignature the signature to expect. + * @return {boolean} true if the signature is here, false otherwise. + */ + isSignature: function(askedIndex, expectedSignature) { + var currentIndex = this.reader.index; + this.reader.setIndex(askedIndex); + var signature = this.reader.readString(4); + var result = signature === expectedSignature; + this.reader.setIndex(currentIndex); + return result; + }, + /** + * 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. + var zipComment = this.reader.readData(this.zipCommentLength); + var decodeParamType = support.uint8array ? "uint8array" : "array"; + // To get consistent behavior with the generation part, we will assume that + // this is utf8 encoded unless specified otherwise. + var decodeContent = utils.transformTo(decodeParamType, zipComment); + this.zipComment = this.loadOptions.decodeFileName(decodeContent); + }, + /** + * 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.reader.skip(4); + // 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.readData(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.readAndCheckSignature(sig.CENTRAL_FILE_HEADER)) { + file = new ZipEntry({ + zip64: this.zip64 + }, this.loadOptions); + file.readCentralPart(this.reader); + this.files.push(file); + } + + if (this.centralDirRecords !== this.files.length) { + if (this.centralDirRecords !== 0 && this.files.length === 0) { + // We expected some records but couldn't find ANY. + // This is really suspicious, as if something went wrong. + throw new Error("Corrupted zip or bug: expected " + this.centralDirRecords + " records in central dir, got " + this.files.length); + } else { + // We found some records but not all. + // Something is wrong but we got something for the user: no error here. + // console.warn("expected", this.centralDirRecords, "records in central dir, got", this.files.length); + } + } + }, + /** + * Read the end of central directory. + */ + readEndOfCentral: function() { + var offset = this.reader.lastIndexOfSignature(sig.CENTRAL_DIRECTORY_END); + if (offset < 0) { + // 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 = !this.isSignature(0, sig.LOCAL_FILE_HEADER); + + if (isGarbage) { + throw new Error("Can't find end of central directory : is this a zip file ? " + + "If it is, see https://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); + var endOfCentralDirOffset = 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 < 0) { + 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 + if (!this.isSignature(this.relativeOffsetEndOfZip64CentralDir, sig.ZIP64_CENTRAL_DIRECTORY_END)) { + // console.warn("ZIP64 end of central directory not where expected."); + this.relativeOffsetEndOfZip64CentralDir = this.reader.lastIndexOfSignature(sig.ZIP64_CENTRAL_DIRECTORY_END); + if (this.relativeOffsetEndOfZip64CentralDir < 0) { + throw new Error("Corrupted zip: can't find the ZIP64 end of central directory"); + } + } + this.reader.setIndex(this.relativeOffsetEndOfZip64CentralDir); + this.checkSignature(sig.ZIP64_CENTRAL_DIRECTORY_END); + this.readBlockZip64EndOfCentral(); + } + + var expectedEndOfCentralDirOffset = this.centralDirOffset + this.centralDirSize; + if (this.zip64) { + expectedEndOfCentralDirOffset += 20; // end of central dir 64 locator + expectedEndOfCentralDirOffset += 12 /* should not include the leading 12 bytes */ + this.zip64EndOfCentralSize; + } + + var extraBytes = endOfCentralDirOffset - expectedEndOfCentralDirOffset; + + if (extraBytes > 0) { + // console.warn(extraBytes, "extra bytes at beginning or within zipfile"); + if (this.isSignature(endOfCentralDirOffset, sig.CENTRAL_FILE_HEADER)) { + // The offsets seem wrong, but we have something at the specified offset. + // So… we keep it. + } else { + // the offset is wrong, update the "zero" of the reader + // this happens if data has been prepended (crx files for example) + this.reader.zero = extraBytes; + } + } else if (extraBytes < 0) { + throw new Error("Corrupted zip: missing " + Math.abs(extraBytes) + " bytes."); + } + }, + prepareReader: function(data) { + this.reader = readerFor(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; + +},{"./reader/readerFor":22,"./signature":23,"./support":30,"./utf8":31,"./utils":32,"./zipEntry":34}],34:[function(require,module,exports){ +'use strict'; +var readerFor = require('./reader/readerFor'); +var utils = require('./utils'); +var CompressedObject = require('./compressedObject'); +var crc32fn = require('./crc32'); +var utf8 = require('./utf8'); +var compressions = require('./compressions'); +var support = require('./support'); + +var MADE_BY_DOS = 0x00; +var MADE_BY_UNIX = 0x03; + +/** + * 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. + */ +var findCompression = function(compressionMethod) { + for (var method in compressions) { + if (!compressions.hasOwnProperty(method)) { + continue; + } + if (compressions[method].magic === compressionMethod) { + return compressions[method]; + } + } + return null; +}; + +// 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; + }, + /** + * 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 + // the fileName is stored as binary data, the handleUTF8 method will take care of the encoding. + this.fileName = reader.readData(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 = findCompression(this.compressionMethod); + if (compression === null) { // no compression found + throw new Error("Corrupted zip : compression " + utils.pretty(this.compressionMethod) + " unknown (inner file : " + utils.transformTo("string", this.fileName) + ")"); + } + this.decompressed = new CompressedObject(this.compressedSize, this.uncompressedSize, this.crc32, compression, reader.readData(this.compressedSize)); + }, + + /** + * 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); + reader.skip(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); + var 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"); + } + + // will be read in the local part, see the comments there + reader.skip(fileNameLength); + this.readExtraFields(reader); + this.parseZIP64ExtraField(reader); + this.fileComment = reader.readData(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.fileNameStr.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 = readerFor(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 end = reader.index + this.extraFieldsLength, + extraFieldId, + extraFieldLength, + extraFieldValue; + + if (!this.extraFields) { + this.extraFields = {}; + } + + while (reader.index < end) { + extraFieldId = reader.readInt(2); + extraFieldLength = reader.readInt(2); + extraFieldValue = reader.readData(extraFieldLength); + + this.extraFields[extraFieldId] = { + id: extraFieldId, + length: extraFieldLength, + value: extraFieldValue + }; + } + }, + /** + * Apply an UTF8 transformation if needed. + */ + handleUTF8: function() { + var decodeParamType = support.uint8array ? "uint8array" : "array"; + if (this.useUTF8()) { + this.fileNameStr = utf8.utf8decode(this.fileName); + this.fileCommentStr = utf8.utf8decode(this.fileComment); + } else { + var upath = this.findExtraFieldUnicodePath(); + if (upath !== null) { + this.fileNameStr = upath; + } else { + // ASCII text or unsupported code page + var fileNameByteArray = utils.transformTo(decodeParamType, this.fileName); + this.fileNameStr = this.loadOptions.decodeFileName(fileNameByteArray); + } + + var ucomment = this.findExtraFieldUnicodeComment(); + if (ucomment !== null) { + this.fileCommentStr = ucomment; + } else { + // ASCII text or unsupported code page + var commentByteArray = utils.transformTo(decodeParamType, this.fileComment); + this.fileCommentStr = this.loadOptions.decodeFileName(commentByteArray); + } + } + }, + + /** + * 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 = readerFor(upathField.value); + + // wrong version + if (extraReader.readInt(1) !== 1) { + return null; + } + + // the crc of the filename changed, this field is out of date. + if (crc32fn(this.fileName) !== extraReader.readInt(4)) { + return null; + } + + return utf8.utf8decode(extraReader.readData(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 = readerFor(ucommentField.value); + + // wrong version + if (extraReader.readInt(1) !== 1) { + return null; + } + + // the crc of the comment changed, this field is out of date. + if (crc32fn(this.fileComment) !== extraReader.readInt(4)) { + return null; + } + + return utf8.utf8decode(extraReader.readData(ucommentField.length - 5)); + } + return null; + } +}; +module.exports = ZipEntry; + +},{"./compressedObject":2,"./compressions":3,"./crc32":4,"./reader/readerFor":22,"./support":30,"./utf8":31,"./utils":32}],35:[function(require,module,exports){ +'use strict'; + +var StreamHelper = require('./stream/StreamHelper'); +var DataWorker = require('./stream/DataWorker'); +var utf8 = require('./utf8'); +var CompressedObject = require('./compressedObject'); +var GenericWorker = require('./stream/GenericWorker'); + +/** + * 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._dataBinary = options.binary; + // keep only the compression + this.options = { + compression : options.compression, + compressionOptions : options.compressionOptions + }; +}; + +ZipObject.prototype = { + /** + * Create an internal stream for the content of this object. + * @param {String} type the type of each chunk. + * @return StreamHelper the stream. + */ + internalStream: function (type) { + var outputType = type.toLowerCase(); + var askUnicodeString = outputType === "string" || outputType === "text"; + if (outputType === "binarystring" || outputType === "text") { + outputType = "string"; + } + var result = this._decompressWorker(); + + var isUnicodeString = !this._dataBinary; + + if (isUnicodeString && !askUnicodeString) { + result = result.pipe(new utf8.Utf8EncodeWorker()); + } + if (!isUnicodeString && askUnicodeString) { + result = result.pipe(new utf8.Utf8DecodeWorker()); + } + + return new StreamHelper(result, outputType, ""); + }, + + /** + * Prepare the content in the asked type. + * @param {String} type the type of the result. + * @param {Function} onUpdate a function to call on each internal update. + * @return Promise the promise of the result. + */ + async: function (type, onUpdate) { + return this.internalStream(type).accumulate(onUpdate); + }, + + /** + * Prepare the content as a nodejs stream. + * @param {String} type the type of each chunk. + * @param {Function} onUpdate a function to call on each internal update. + * @return Stream the stream. + */ + nodeStream: function (type, onUpdate) { + return this.internalStream(type || "nodebuffer").toNodejsStream(onUpdate); + }, + + /** + * Return a worker for the compressed content. + * @private + * @param {Object} compression the compression object to use. + * @param {Object} compressionOptions the options to use when compressing. + * @return Worker the worker. + */ + _compressWorker: function (compression, compressionOptions) { + if ( + this._data instanceof CompressedObject && + this._data.compression.magic === compression.magic + ) { + return this._data.getCompressedWorker(); + } else { + var result = this._decompressWorker(); + if(!this._dataBinary) { + result = result.pipe(new utf8.Utf8EncodeWorker()); + } + return CompressedObject.createWorkerFrom(result, compression, compressionOptions); + } + }, + /** + * Return a worker for the decompressed content. + * @private + * @return Worker the worker. + */ + _decompressWorker : function () { + if (this._data instanceof CompressedObject) { + return this._data.getContentWorker(); + } else if (this._data instanceof GenericWorker) { + return this._data; + } else { + return new DataWorker(this._data); + } + } +}; + +var removedMethods = ["asText", "asBinary", "asNodeBuffer", "asUint8Array", "asArrayBuffer"]; +var removedFn = function () { + throw new Error("This method has been removed in JSZip 3.0, please check the upgrade guide."); +}; + +for(var i = 0; i < removedMethods.length; i++) { + ZipObject.prototype[removedMethods[i]] = removedFn; +} +module.exports = ZipObject; + +},{"./compressedObject":2,"./stream/DataWorker":27,"./stream/GenericWorker":28,"./stream/StreamHelper":29,"./utf8":31}],36:[function(require,module,exports){ +require('../modules/web.immediate'); +module.exports = require('../modules/_core').setImmediate; +},{"../modules/_core":40,"../modules/web.immediate":56}],37:[function(require,module,exports){ +module.exports = function(it){ + if(typeof it != 'function')throw TypeError(it + ' is not a function!'); + return it; +}; +},{}],38:[function(require,module,exports){ +var isObject = require('./_is-object'); +module.exports = function(it){ + if(!isObject(it))throw TypeError(it + ' is not an object!'); + return it; +}; +},{"./_is-object":51}],39:[function(require,module,exports){ +var toString = {}.toString; + +module.exports = function(it){ + return toString.call(it).slice(8, -1); +}; +},{}],40:[function(require,module,exports){ +var core = module.exports = {version: '2.3.0'}; +if(typeof __e == 'number')__e = core; // eslint-disable-line no-undef +},{}],41:[function(require,module,exports){ +// optional / simple context binding +var aFunction = require('./_a-function'); +module.exports = function(fn, that, length){ + aFunction(fn); + if(that === undefined)return fn; + switch(length){ + case 1: return function(a){ + return fn.call(that, a); + }; + case 2: return function(a, b){ + return fn.call(that, a, b); + }; + case 3: return function(a, b, c){ + return fn.call(that, a, b, c); + }; + } + return function(/* ...args */){ + return fn.apply(that, arguments); + }; +}; +},{"./_a-function":37}],42:[function(require,module,exports){ +// Thank's IE8 for his funny defineProperty +module.exports = !require('./_fails')(function(){ + return Object.defineProperty({}, 'a', {get: function(){ return 7; }}).a != 7; +}); +},{"./_fails":45}],43:[function(require,module,exports){ +var isObject = require('./_is-object') + , document = require('./_global').document + // in old IE typeof document.createElement is 'object' + , is = isObject(document) && isObject(document.createElement); +module.exports = function(it){ + return is ? document.createElement(it) : {}; +}; +},{"./_global":46,"./_is-object":51}],44:[function(require,module,exports){ +var global = require('./_global') + , core = require('./_core') + , ctx = require('./_ctx') + , hide = require('./_hide') + , PROTOTYPE = 'prototype'; + +var $export = function(type, name, source){ + var IS_FORCED = type & $export.F + , IS_GLOBAL = type & $export.G + , IS_STATIC = type & $export.S + , IS_PROTO = type & $export.P + , IS_BIND = type & $export.B + , IS_WRAP = type & $export.W + , exports = IS_GLOBAL ? core : core[name] || (core[name] = {}) + , expProto = exports[PROTOTYPE] + , target = IS_GLOBAL ? global : IS_STATIC ? global[name] : (global[name] || {})[PROTOTYPE] + , key, own, out; + if(IS_GLOBAL)source = name; + for(key in source){ + // contains in native + own = !IS_FORCED && target && target[key] !== undefined; + if(own && key in exports)continue; + // export native or passed + out = own ? target[key] : source[key]; + // prevent global pollution for namespaces + exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key] + // bind timers to global for call from export context + : IS_BIND && own ? ctx(out, global) + // wrap global constructors for prevent change them in library + : IS_WRAP && target[key] == out ? (function(C){ + var F = function(a, b, c){ + if(this instanceof C){ + switch(arguments.length){ + case 0: return new C; + case 1: return new C(a); + case 2: return new C(a, b); + } return new C(a, b, c); + } return C.apply(this, arguments); + }; + F[PROTOTYPE] = C[PROTOTYPE]; + return F; + // make static versions for prototype methods + })(out) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out; + // export proto methods to core.%CONSTRUCTOR%.methods.%NAME% + if(IS_PROTO){ + (exports.virtual || (exports.virtual = {}))[key] = out; + // export proto methods to core.%CONSTRUCTOR%.prototype.%NAME% + if(type & $export.R && expProto && !expProto[key])hide(expProto, key, out); + } + } +}; +// type bitmap +$export.F = 1; // forced +$export.G = 2; // global +$export.S = 4; // static +$export.P = 8; // proto +$export.B = 16; // bind +$export.W = 32; // wrap +$export.U = 64; // safe +$export.R = 128; // real proto method for `library` +module.exports = $export; +},{"./_core":40,"./_ctx":41,"./_global":46,"./_hide":47}],45:[function(require,module,exports){ +module.exports = function(exec){ + try { + return !!exec(); + } catch(e){ + return true; + } +}; +},{}],46:[function(require,module,exports){ +// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028 +var global = module.exports = typeof window != 'undefined' && window.Math == Math + ? window : typeof self != 'undefined' && self.Math == Math ? self : Function('return this')(); +if(typeof __g == 'number')__g = global; // eslint-disable-line no-undef +},{}],47:[function(require,module,exports){ +var dP = require('./_object-dp') + , createDesc = require('./_property-desc'); +module.exports = require('./_descriptors') ? function(object, key, value){ + return dP.f(object, key, createDesc(1, value)); +} : function(object, key, value){ + object[key] = value; + return object; +}; +},{"./_descriptors":42,"./_object-dp":52,"./_property-desc":53}],48:[function(require,module,exports){ +module.exports = require('./_global').document && document.documentElement; +},{"./_global":46}],49:[function(require,module,exports){ +module.exports = !require('./_descriptors') && !require('./_fails')(function(){ + return Object.defineProperty(require('./_dom-create')('div'), 'a', {get: function(){ return 7; }}).a != 7; +}); +},{"./_descriptors":42,"./_dom-create":43,"./_fails":45}],50:[function(require,module,exports){ +// fast apply, http://jsperf.lnkit.com/fast-apply/5 +module.exports = function(fn, args, that){ + var un = that === undefined; + switch(args.length){ + case 0: return un ? fn() + : fn.call(that); + case 1: return un ? fn(args[0]) + : fn.call(that, args[0]); + case 2: return un ? fn(args[0], args[1]) + : fn.call(that, args[0], args[1]); + case 3: return un ? fn(args[0], args[1], args[2]) + : fn.call(that, args[0], args[1], args[2]); + case 4: return un ? fn(args[0], args[1], args[2], args[3]) + : fn.call(that, args[0], args[1], args[2], args[3]); + } return fn.apply(that, args); +}; +},{}],51:[function(require,module,exports){ +module.exports = function(it){ + return typeof it === 'object' ? it !== null : typeof it === 'function'; +}; +},{}],52:[function(require,module,exports){ +var anObject = require('./_an-object') + , IE8_DOM_DEFINE = require('./_ie8-dom-define') + , toPrimitive = require('./_to-primitive') + , dP = Object.defineProperty; + +exports.f = require('./_descriptors') ? Object.defineProperty : function defineProperty(O, P, Attributes){ + anObject(O); + P = toPrimitive(P, true); + anObject(Attributes); + if(IE8_DOM_DEFINE)try { + return dP(O, P, Attributes); + } catch(e){ /* empty */ } + if('get' in Attributes || 'set' in Attributes)throw TypeError('Accessors not supported!'); + if('value' in Attributes)O[P] = Attributes.value; + return O; +}; +},{"./_an-object":38,"./_descriptors":42,"./_ie8-dom-define":49,"./_to-primitive":55}],53:[function(require,module,exports){ +module.exports = function(bitmap, value){ + return { + enumerable : !(bitmap & 1), + configurable: !(bitmap & 2), + writable : !(bitmap & 4), + value : value + }; +}; +},{}],54:[function(require,module,exports){ +var ctx = require('./_ctx') + , invoke = require('./_invoke') + , html = require('./_html') + , cel = require('./_dom-create') + , global = require('./_global') + , process = global.process + , setTask = global.setImmediate + , clearTask = global.clearImmediate + , MessageChannel = global.MessageChannel + , counter = 0 + , queue = {} + , ONREADYSTATECHANGE = 'onreadystatechange' + , defer, channel, port; +var run = function(){ + var id = +this; + if(queue.hasOwnProperty(id)){ + var fn = queue[id]; + delete queue[id]; + fn(); + } +}; +var listener = function(event){ + run.call(event.data); +}; +// Node.js 0.9+ & IE10+ has setImmediate, otherwise: +if(!setTask || !clearTask){ + setTask = function setImmediate(fn){ + var args = [], i = 1; + while(arguments.length > i)args.push(arguments[i++]); + queue[++counter] = function(){ + invoke(typeof fn == 'function' ? fn : Function(fn), args); + }; + defer(counter); + return counter; + }; + clearTask = function clearImmediate(id){ + delete queue[id]; + }; + // Node.js 0.8- + if(require('./_cof')(process) == 'process'){ + defer = function(id){ + process.nextTick(ctx(run, id, 1)); + }; + // Browsers with MessageChannel, includes WebWorkers + } else if(MessageChannel){ + channel = new MessageChannel; + port = channel.port2; + channel.port1.onmessage = listener; + defer = ctx(port.postMessage, port, 1); + // Browsers with postMessage, skip WebWorkers + // IE8 has postMessage, but it's sync & typeof its postMessage is 'object' + } else if(global.addEventListener && typeof postMessage == 'function' && !global.importScripts){ + defer = function(id){ + global.postMessage(id + '', '*'); + }; + global.addEventListener('message', listener, false); + // IE8- + } else if(ONREADYSTATECHANGE in cel('script')){ + defer = function(id){ + html.appendChild(cel('script'))[ONREADYSTATECHANGE] = function(){ + html.removeChild(this); + run.call(id); + }; + }; + // Rest old browsers + } else { + defer = function(id){ + setTimeout(ctx(run, id, 1), 0); + }; + } +} +module.exports = { + set: setTask, + clear: clearTask +}; +},{"./_cof":39,"./_ctx":41,"./_dom-create":43,"./_global":46,"./_html":48,"./_invoke":50}],55:[function(require,module,exports){ +// 7.1.1 ToPrimitive(input [, PreferredType]) +var isObject = require('./_is-object'); +// instead of the ES6 spec version, we didn't implement @@toPrimitive case +// and the second argument - flag - preferred type is a string +module.exports = function(it, S){ + if(!isObject(it))return it; + var fn, val; + if(S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it)))return val; + if(typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it)))return val; + if(!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it)))return val; + throw TypeError("Can't convert object to primitive value"); +}; +},{"./_is-object":51}],56:[function(require,module,exports){ +var $export = require('./_export') + , $task = require('./_task'); +$export($export.G + $export.B, { + setImmediate: $task.set, + clearImmediate: $task.clear +}); +},{"./_export":44,"./_task":54}],57:[function(require,module,exports){ +(function (global){ +'use strict'; +var Mutation = global.MutationObserver || global.WebKitMutationObserver; + +var scheduleDrain; + +{ + if (Mutation) { + var called = 0; + var observer = new Mutation(nextTick); + var element = global.document.createTextNode(''); + observer.observe(element, { + characterData: true + }); + scheduleDrain = function () { + element.data = (called = ++called % 2); + }; + } else if (!global.setImmediate && typeof global.MessageChannel !== 'undefined') { + var channel = new global.MessageChannel(); + channel.port1.onmessage = nextTick; + scheduleDrain = function () { + channel.port2.postMessage(0); + }; + } else if ('document' in global && 'onreadystatechange' in global.document.createElement('script')) { + scheduleDrain = function () { + + // Create a