From ede758d4f7af13204b230911a7c771da7dd59be3 Mon Sep 17 00:00:00 2001 From: Andrii Kurdiumov Date: Tue, 10 May 2022 19:31:54 +0600 Subject: [PATCH] fix: Use a null prototype object for this.files Backport https://github.com/Stuk/jszip/pull/766 to v2.6.1 --- dist/jszip.js | 2013 ++++++++++++++++++++++------------------ dist/jszip.min.js | 6 +- lib/index.js | 5 +- lib/object.js | 6 - test/ref/pollution.zip | Bin 0 -> 480 bytes test/test.js | 7 + 6 files changed, 1126 insertions(+), 911 deletions(-) create mode 100644 test/ref/pollution.zip diff --git a/dist/jszip.js b/dist/jszip.js index fe41e2a5..4ee6022e 100644 --- a/dist/jszip.js +++ b/dist/jszip.js @@ -563,7 +563,10 @@ function JSZip(data, options) { // "folder/" : {...}, // "folder/data.txt" : {...} // } - this.files = {}; + // NOTE: we use a null prototype because we do not + // want filenames like "toString" coming from a zip file + // to overwrite methods and attributes in a normal Object. + this.files = Object.create(null); this.comment = null; @@ -1304,10 +1307,9 @@ var out = { filter: function(search) { var result = [], filename, relativePath, file, fileClone; + /* jshint ignore:start */ + // ignore warning about unwanted properties because this.files is a null prototype object for (filename in this.files) { - if (!this.files.hasOwnProperty(filename)) { - continue; - } file = this.files[filename]; // return a new object, don't let the user mess with our internal objects :) fileClone = new ZipObject(file.name, file._data, utils.extend(file.options)); @@ -1451,9 +1453,6 @@ var out = { // first, generate all the zip parts. for (var name in this.files) { - if (!this.files.hasOwnProperty(name)) { - continue; - } var file = this.files[name]; var compressionName = file.options.compression || options.compression.toUpperCase(); @@ -2959,7 +2958,7 @@ var Z_DEFLATED = 8; /* internal * Deflate.chunks -> Array * - * Chunks of output data, if [[Deflate#onData]] not overriden. + * Chunks of output data, if [[Deflate#onData]] not overridden. **/ /** @@ -3112,7 +3111,7 @@ function Deflate(options) { * - data (Uint8Array|Array|ArrayBuffer|String): input data. Strings will be * converted to utf8 byte sequence. * - mode (Number|Boolean): 0..6 for corresponding Z_NO_FLUSH..Z_TREE modes. - * See constants. Skipped or `false` means Z_NO_FLUSH, `true` meansh Z_FINISH. + * See constants. Skipped or `false` means Z_NO_FLUSH, `true` means Z_FINISH. * * Sends input data to deflate pipe, generating [[Deflate#onData]] calls with * new compressed chunks. Returns `true` on success. The last data block must have @@ -3201,7 +3200,7 @@ Deflate.prototype.push = function (data, mode) { /** * Deflate#onData(chunk) -> Void - * - chunk (Uint8Array|Array|String): ouput data. Type of array depends + * - chunk (Uint8Array|Array|String): output data. Type of array depends * on js engine support. When string output requested, each chunk * will be string. * @@ -3278,7 +3277,7 @@ function deflate(input, options) { deflator.push(input, true); // That will never happens, if you don't cheat with options :) - if (deflator.err) { throw deflator.msg; } + if (deflator.err) { throw deflator.msg || msg[deflator.err]; } return deflator.result; } @@ -3344,7 +3343,7 @@ var toString = Object.prototype.toString; /* internal * inflate.chunks -> Array * - * Chunks of output data, if [[Inflate#onData]] not overriden. + * Chunks of output data, if [[Inflate#onData]] not overridden. **/ /** @@ -3466,13 +3465,29 @@ function Inflate(options) { this.header = new GZheader(); zlib_inflate.inflateGetHeader(this.strm, this.header); + + // Setup dictionary + if (opt.dictionary) { + // Convert data if needed + if (typeof opt.dictionary === 'string') { + opt.dictionary = strings.string2buf(opt.dictionary); + } else if (toString.call(opt.dictionary) === '[object ArrayBuffer]') { + opt.dictionary = new Uint8Array(opt.dictionary); + } + if (opt.raw) { //In raw mode we need to set the dictionary early + status = zlib_inflate.inflateSetDictionary(this.strm, opt.dictionary); + if (status !== c.Z_OK) { + throw new Error(msg[status]); + } + } + } } /** * Inflate#push(data[, mode]) -> Boolean * - data (Uint8Array|Array|ArrayBuffer|String): input data * - mode (Number|Boolean): 0..6 for corresponding Z_NO_FLUSH..Z_TREE modes. - * See constants. Skipped or `false` means Z_NO_FLUSH, `true` meansh Z_FINISH. + * See constants. Skipped or `false` means Z_NO_FLUSH, `true` means Z_FINISH. * * Sends input data to inflate pipe, generating [[Inflate#onData]] calls with * new output chunks. Returns `true` on success. The last data block must have @@ -3502,7 +3517,6 @@ Inflate.prototype.push = function (data, mode) { var dictionary = this.options.dictionary; var status, _mode; var next_out_utf8, tail, utf8str; - var dict; // Flag to properly process Z_BUF_ERROR on testing inflate call // when we check that all output data was flushed. @@ -3534,17 +3548,7 @@ Inflate.prototype.push = function (data, mode) { status = zlib_inflate.inflate(strm, c.Z_NO_FLUSH); /* no bad return value */ if (status === c.Z_NEED_DICT && dictionary) { - // Convert data if needed - if (typeof dictionary === 'string') { - dict = strings.string2buf(dictionary); - } else if (toString.call(dictionary) === '[object ArrayBuffer]') { - dict = new Uint8Array(dictionary); - } else { - dict = dictionary; - } - - status = zlib_inflate.inflateSetDictionary(this.strm, dict); - + status = zlib_inflate.inflateSetDictionary(this.strm, dictionary); } if (status === c.Z_BUF_ERROR && allowBufError === true) { @@ -3619,7 +3623,7 @@ Inflate.prototype.push = function (data, mode) { /** * Inflate#onData(chunk) -> Void - * - chunk (Uint8Array|Array|String): ouput data. Type of array depends + * - chunk (Uint8Array|Array|String): output data. Type of array depends * on js engine support. When string output requested, each chunk * will be string. * @@ -3646,7 +3650,7 @@ Inflate.prototype.onEnd = function (status) { if (status === c.Z_OK) { if (this.options.to === 'string') { // Glue & convert here, until we teach pako to send - // utf8 alligned strings to onData + // utf8 aligned strings to onData this.result = this.chunks.join(''); } else { this.result = utils.flattenChunks(this.chunks); @@ -3703,7 +3707,7 @@ function inflate(input, options) { inflator.push(input, true); // That will never happens, if you don't cheat with options :) - if (inflator.err) { throw inflator.msg; } + if (inflator.err) { throw inflator.msg || msg[inflator.err]; } return inflator.result; } @@ -3747,6 +3751,9 @@ var TYPED_OK = (typeof Uint8Array !== 'undefined') && (typeof Uint16Array !== 'undefined') && (typeof Int32Array !== 'undefined'); +function _has(obj, key) { + return Object.prototype.hasOwnProperty.call(obj, key); +} exports.assign = function (obj /*from1, from2, from3, ...*/) { var sources = Array.prototype.slice.call(arguments, 1); @@ -3759,7 +3766,7 @@ exports.assign = function (obj /*from1, from2, from3, ...*/) { } for (var p in source) { - if (source.hasOwnProperty(p)) { + if (_has(source, p)) { obj[p] = source[p]; } } @@ -3854,7 +3861,7 @@ var utils = require('./common'); // Quick check if we can use fast array to bin string conversion // // - apply(Array) can fail on Android 2.2 -// - apply(Uint8Array) can fail on iOS 5.1 Safary +// - apply(Uint8Array) can fail on iOS 5.1 Safari // var STR_APPLY_OK = true; var STR_APPLY_UIA_OK = true; @@ -3929,8 +3936,10 @@ exports.string2buf = function (str) { // Helper (used in 2 places) function buf2binstring(buf, len) { - // use fallback for big arrays to avoid stack overflow - if (len < 65537) { + // On Chrome, the arguments in a function call that are allowed is `65534`. + // If the length of the buffer is smaller than that, we can use this optimization, + // otherwise we will take a slower path. + if (len < 65534) { if ((buf.subarray && STR_APPLY_UIA_OK) || (!buf.subarray && STR_APPLY_OK)) { return String.fromCharCode.apply(null, utils.shrinkBuf(buf, len)); } @@ -4019,11 +4028,11 @@ exports.utf8border = function (buf, max) { pos = max - 1; while (pos >= 0 && (buf[pos] & 0xC0) === 0x80) { pos--; } - // Fuckup - very small and broken sequence, + // 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, + // If we came to start of buffer - that means buffer is too small, // return max too. if (pos === 0) { return max; } @@ -4034,9 +4043,28 @@ exports.utf8border = function (buf, max) { 'use strict'; // Note: adler32 takes 12% for level 0 and 2% for level 6. -// It doesn't worth to make additional optimizationa as in original. +// It isn't worth it to make additional optimizations as in original. // Small size is preferable. +// (C) 1995-2013 Jean-loup Gailly and Mark Adler +// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin +// +// This software is provided 'as-is', without any express or implied +// warranty. In no event will the authors be held liable for any damages +// arising from the use of this software. +// +// Permission is granted to anyone to use this software for any purpose, +// including commercial applications, and to alter it and redistribute it +// freely, subject to the following restrictions: +// +// 1. The origin of this software must not be misrepresented; you must not +// claim that you wrote the original software. If you use this software +// in a product, an acknowledgment in the product documentation would be +// appreciated but is not required. +// 2. Altered source versions must be plainly marked as such, and must not be +// misrepresented as being the original software. +// 3. This notice may not be removed or altered from any source distribution. + function adler32(adler, buf, len, pos) { var s1 = (adler & 0xffff) |0, s2 = ((adler >>> 16) & 0xffff) |0, @@ -4067,6 +4095,24 @@ module.exports = adler32; },{}],31:[function(require,module,exports){ 'use strict'; +// (C) 1995-2013 Jean-loup Gailly and Mark Adler +// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin +// +// This software is provided 'as-is', without any express or implied +// warranty. In no event will the authors be held liable for any damages +// arising from the use of this software. +// +// Permission is granted to anyone to use this software for any purpose, +// including commercial applications, and to alter it and redistribute it +// freely, subject to the following restrictions: +// +// 1. The origin of this software must not be misrepresented; you must not +// claim that you wrote the original software. If you use this software +// in a product, an acknowledgment in the product documentation would be +// appreciated but is not required. +// 2. Altered source versions must be plainly marked as such, and must not be +// misrepresented as being the original software. +// 3. This notice may not be removed or altered from any source distribution. module.exports = { @@ -4123,6 +4169,24 @@ module.exports = { // So write code to minimize size - no pregenerated tables // and array tools dependencies. +// (C) 1995-2013 Jean-loup Gailly and Mark Adler +// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin +// +// This software is provided 'as-is', without any express or implied +// warranty. In no event will the authors be held liable for any damages +// arising from the use of this software. +// +// Permission is granted to anyone to use this software for any purpose, +// including commercial applications, and to alter it and redistribute it +// freely, subject to the following restrictions: +// +// 1. The origin of this software must not be misrepresented; you must not +// claim that you wrote the original software. If you use this software +// in a product, an acknowledgment in the product documentation would be +// appreciated but is not required. +// 2. Altered source versions must be plainly marked as such, and must not be +// misrepresented as being the original software. +// 3. This notice may not be removed or altered from any source distribution. // Use ordinary array, since untyped makes no boost here function makeTable() { @@ -4162,6 +4226,25 @@ module.exports = crc32; },{}],33:[function(require,module,exports){ 'use strict'; +// (C) 1995-2013 Jean-loup Gailly and Mark Adler +// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin +// +// This software is provided 'as-is', without any express or implied +// warranty. In no event will the authors be held liable for any damages +// arising from the use of this software. +// +// Permission is granted to anyone to use this software for any purpose, +// including commercial applications, and to alter it and redistribute it +// freely, subject to the following restrictions: +// +// 1. The origin of this software must not be misrepresented; you must not +// claim that you wrote the original software. If you use this software +// in a product, an acknowledgment in the product documentation would be +// appreciated but is not required. +// 2. Altered source versions must be plainly marked as such, and must not be +// misrepresented as being the original software. +// 3. This notice may not be removed or altered from any source distribution. + var utils = require('../utils/common'); var trees = require('./trees'); var adler32 = require('./adler32'); @@ -5597,7 +5680,7 @@ function deflate(strm, flush) { (!s.gzhead.extra ? 0 : 4) + (!s.gzhead.name ? 0 : 8) + (!s.gzhead.comment ? 0 : 16) - ); + ); put_byte(s, s.gzhead.time & 0xff); put_byte(s, (s.gzhead.time >> 8) & 0xff); put_byte(s, (s.gzhead.time >> 16) & 0xff); @@ -6019,6 +6102,24 @@ exports.deflateTune = deflateTune; },{"../utils/common":28,"./adler32":30,"./crc32":32,"./messages":38,"./trees":39}],34:[function(require,module,exports){ 'use strict'; +// (C) 1995-2013 Jean-loup Gailly and Mark Adler +// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin +// +// This software is provided 'as-is', without any express or implied +// warranty. In no event will the authors be held liable for any damages +// arising from the use of this software. +// +// Permission is granted to anyone to use this software for any purpose, +// including commercial applications, and to alter it and redistribute it +// freely, subject to the following restrictions: +// +// 1. The origin of this software must not be misrepresented; you must not +// claim that you wrote the original software. If you use this software +// in a product, an acknowledgment in the product documentation would be +// appreciated but is not required. +// 2. Altered source versions must be plainly marked as such, and must not be +// misrepresented as being the original software. +// 3. This notice may not be removed or altered from any source distribution. function GZheader() { /* true if compressed data believed to be text */ @@ -6061,6 +6162,25 @@ module.exports = GZheader; },{}],35:[function(require,module,exports){ 'use strict'; +// (C) 1995-2013 Jean-loup Gailly and Mark Adler +// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin +// +// This software is provided 'as-is', without any express or implied +// warranty. In no event will the authors be held liable for any damages +// arising from the use of this software. +// +// Permission is granted to anyone to use this software for any purpose, +// including commercial applications, and to alter it and redistribute it +// freely, subject to the following restrictions: +// +// 1. The origin of this software must not be misrepresented; you must not +// claim that you wrote the original software. If you use this software +// in a product, an acknowledgment in the product documentation would be +// appreciated but is not required. +// 2. Altered source versions must be plainly marked as such, and must not be +// misrepresented as being the original software. +// 3. This notice may not be removed or altered from any source distribution. + // See state defs from inflate.js var BAD = 30; /* got a data error -- remain here until reset */ var TYPE = 12; /* i: waiting for type bits, including last-flag bit */ @@ -6243,7 +6363,7 @@ module.exports = function inflate_fast(strm, start) { break top; } -// (!) This block is disabled in zlib defailts, +// (!) This block is disabled in zlib defaults, // don't enable it for binary compatibility //#ifdef INFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR // if (len <= op - whave) { @@ -6389,6 +6509,24 @@ module.exports = function inflate_fast(strm, start) { },{}],36:[function(require,module,exports){ 'use strict'; +// (C) 1995-2013 Jean-loup Gailly and Mark Adler +// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin +// +// This software is provided 'as-is', without any express or implied +// warranty. In no event will the authors be held liable for any damages +// arising from the use of this software. +// +// Permission is granted to anyone to use this software for any purpose, +// including commercial applications, and to alter it and redistribute it +// freely, subject to the following restrictions: +// +// 1. The origin of this software must not be misrepresented; you must not +// claim that you wrote the original software. If you use this software +// in a product, an acknowledgment in the product documentation would be +// appreciated but is not required. +// 2. Altered source versions must be plainly marked as such, and must not be +// misrepresented as being the original software. +// 3. This notice may not be removed or altered from any source distribution. var utils = require('../utils/common'); var adler32 = require('./adler32'); @@ -6803,162 +6941,135 @@ function inflate(strm, flush) { inf_leave: // goto emulation for (;;) { switch (state.mode) { - case HEAD: - if (state.wrap === 0) { - state.mode = TYPEDO; - break; - } - //=== NEEDBITS(16); - while (bits < 16) { - if (have === 0) { break inf_leave; } - have--; - hold += input[next++] << bits; - bits += 8; - } - //===// - if ((state.wrap & 2) && hold === 0x8b1f) { /* gzip header */ - state.check = 0/*crc32(0L, Z_NULL, 0)*/; - //=== CRC2(state.check, hold); - hbuf[0] = hold & 0xff; - hbuf[1] = (hold >>> 8) & 0xff; - state.check = crc32(state.check, hbuf, 2, 0); + case HEAD: + if (state.wrap === 0) { + state.mode = TYPEDO; + break; + } + //=== NEEDBITS(16); + while (bits < 16) { + if (have === 0) { break inf_leave; } + have--; + hold += input[next++] << bits; + bits += 8; + } //===// + if ((state.wrap & 2) && hold === 0x8b1f) { /* gzip header */ + state.check = 0/*crc32(0L, Z_NULL, 0)*/; + //=== CRC2(state.check, hold); + hbuf[0] = hold & 0xff; + hbuf[1] = (hold >>> 8) & 0xff; + state.check = crc32(state.check, hbuf, 2, 0); + //===// + //=== INITBITS(); + hold = 0; + bits = 0; + //===// + state.mode = FLAGS; + break; + } + state.flags = 0; /* expect zlib header */ + if (state.head) { + state.head.done = false; + } + if (!(state.wrap & 1) || /* check if zlib header allowed */ + (((hold & 0xff)/*BITS(8)*/ << 8) + (hold >> 8)) % 31) { + strm.msg = 'incorrect header check'; + state.mode = BAD; + break; + } + if ((hold & 0x0f)/*BITS(4)*/ !== Z_DEFLATED) { + strm.msg = 'unknown compression method'; + state.mode = BAD; + break; + } + //--- DROPBITS(4) ---// + hold >>>= 4; + bits -= 4; + //---// + len = (hold & 0x0f)/*BITS(4)*/ + 8; + if (state.wbits === 0) { + state.wbits = len; + } + else if (len > state.wbits) { + strm.msg = 'invalid window size'; + state.mode = BAD; + break; + } + state.dmax = 1 << len; + //Tracev((stderr, "inflate: zlib header ok\n")); + strm.adler = state.check = 1/*adler32(0L, Z_NULL, 0)*/; + state.mode = hold & 0x200 ? DICTID : TYPE; //=== INITBITS(); hold = 0; bits = 0; //===// - state.mode = FLAGS; - break; - } - state.flags = 0; /* expect zlib header */ - if (state.head) { - state.head.done = false; - } - if (!(state.wrap & 1) || /* check if zlib header allowed */ - (((hold & 0xff)/*BITS(8)*/ << 8) + (hold >> 8)) % 31) { - strm.msg = 'incorrect header check'; - state.mode = BAD; - break; - } - if ((hold & 0x0f)/*BITS(4)*/ !== Z_DEFLATED) { - strm.msg = 'unknown compression method'; - state.mode = BAD; - break; - } - //--- DROPBITS(4) ---// - hold >>>= 4; - bits -= 4; - //---// - len = (hold & 0x0f)/*BITS(4)*/ + 8; - if (state.wbits === 0) { - state.wbits = len; - } - else if (len > state.wbits) { - strm.msg = 'invalid window size'; - state.mode = BAD; - break; - } - state.dmax = 1 << len; - //Tracev((stderr, "inflate: zlib header ok\n")); - strm.adler = state.check = 1/*adler32(0L, Z_NULL, 0)*/; - state.mode = hold & 0x200 ? DICTID : TYPE; - //=== INITBITS(); - hold = 0; - bits = 0; - //===// - break; - case FLAGS: - //=== NEEDBITS(16); */ - while (bits < 16) { - if (have === 0) { break inf_leave; } - have--; - hold += input[next++] << bits; - bits += 8; - } - //===// - state.flags = hold; - if ((state.flags & 0xff) !== Z_DEFLATED) { - strm.msg = 'unknown compression method'; - state.mode = BAD; break; - } - if (state.flags & 0xe000) { - strm.msg = 'unknown header flags set'; - state.mode = BAD; - break; - } - if (state.head) { - state.head.text = ((hold >> 8) & 1); - } - if (state.flags & 0x0200) { - //=== CRC2(state.check, hold); - hbuf[0] = hold & 0xff; - hbuf[1] = (hold >>> 8) & 0xff; - state.check = crc32(state.check, hbuf, 2, 0); + case FLAGS: + //=== NEEDBITS(16); */ + while (bits < 16) { + if (have === 0) { break inf_leave; } + have--; + hold += input[next++] << bits; + bits += 8; + } //===// - } - //=== INITBITS(); - hold = 0; - bits = 0; - //===// - state.mode = TIME; - /* falls through */ - case TIME: - //=== NEEDBITS(32); */ - while (bits < 32) { - if (have === 0) { break inf_leave; } - have--; - hold += input[next++] << bits; - bits += 8; - } - //===// - if (state.head) { - state.head.time = hold; - } - if (state.flags & 0x0200) { - //=== CRC4(state.check, hold) - hbuf[0] = hold & 0xff; - hbuf[1] = (hold >>> 8) & 0xff; - hbuf[2] = (hold >>> 16) & 0xff; - hbuf[3] = (hold >>> 24) & 0xff; - state.check = crc32(state.check, hbuf, 4, 0); - //=== - } - //=== INITBITS(); - hold = 0; - bits = 0; - //===// - state.mode = OS; - /* falls through */ - case OS: - //=== NEEDBITS(16); */ - while (bits < 16) { - if (have === 0) { break inf_leave; } - have--; - hold += input[next++] << bits; - bits += 8; - } - //===// - if (state.head) { - state.head.xflags = (hold & 0xff); - state.head.os = (hold >> 8); - } - if (state.flags & 0x0200) { - //=== CRC2(state.check, hold); - hbuf[0] = hold & 0xff; - hbuf[1] = (hold >>> 8) & 0xff; - state.check = crc32(state.check, hbuf, 2, 0); + state.flags = hold; + if ((state.flags & 0xff) !== Z_DEFLATED) { + strm.msg = 'unknown compression method'; + state.mode = BAD; + break; + } + if (state.flags & 0xe000) { + strm.msg = 'unknown header flags set'; + state.mode = BAD; + break; + } + if (state.head) { + state.head.text = ((hold >> 8) & 1); + } + if (state.flags & 0x0200) { + //=== CRC2(state.check, hold); + hbuf[0] = hold & 0xff; + hbuf[1] = (hold >>> 8) & 0xff; + state.check = crc32(state.check, hbuf, 2, 0); + //===// + } + //=== INITBITS(); + hold = 0; + bits = 0; //===// - } - //=== INITBITS(); - hold = 0; - bits = 0; - //===// - state.mode = EXLEN; - /* falls through */ - case EXLEN: - if (state.flags & 0x0400) { + state.mode = TIME; + /* falls through */ + case TIME: + //=== NEEDBITS(32); */ + while (bits < 32) { + if (have === 0) { break inf_leave; } + have--; + hold += input[next++] << bits; + bits += 8; + } + //===// + if (state.head) { + state.head.time = hold; + } + if (state.flags & 0x0200) { + //=== CRC4(state.check, hold) + hbuf[0] = hold & 0xff; + hbuf[1] = (hold >>> 8) & 0xff; + hbuf[2] = (hold >>> 16) & 0xff; + hbuf[3] = (hold >>> 24) & 0xff; + state.check = crc32(state.check, hbuf, 4, 0); + //=== + } + //=== INITBITS(); + hold = 0; + bits = 0; + //===// + state.mode = OS; + /* falls through */ + case OS: //=== NEEDBITS(16); */ while (bits < 16) { if (have === 0) { break inf_leave; } @@ -6967,9 +7078,9 @@ function inflate(strm, flush) { bits += 8; } //===// - state.length = hold; if (state.head) { - state.head.extra_len = hold; + state.head.xflags = (hold & 0xff); + state.head.os = (hold >> 8); } if (state.flags & 0x0200) { //=== CRC2(state.check, hold); @@ -6982,305 +7093,198 @@ function inflate(strm, flush) { hold = 0; bits = 0; //===// - } - else if (state.head) { - state.head.extra = null/*Z_NULL*/; - } - state.mode = EXTRA; - /* falls through */ - case EXTRA: - if (state.flags & 0x0400) { - copy = state.length; - if (copy > have) { copy = have; } - if (copy) { + state.mode = EXLEN; + /* falls through */ + case EXLEN: + if (state.flags & 0x0400) { + //=== NEEDBITS(16); */ + while (bits < 16) { + if (have === 0) { break inf_leave; } + have--; + hold += input[next++] << bits; + bits += 8; + } + //===// + state.length = hold; if (state.head) { - len = state.head.extra_len - state.length; - if (!state.head.extra) { - // Use untyped array for more conveniend processing later - state.head.extra = new Array(state.head.extra_len); + state.head.extra_len = hold; + } + if (state.flags & 0x0200) { + //=== CRC2(state.check, hold); + hbuf[0] = hold & 0xff; + hbuf[1] = (hold >>> 8) & 0xff; + state.check = crc32(state.check, hbuf, 2, 0); + //===// + } + //=== INITBITS(); + hold = 0; + bits = 0; + //===// + } + else if (state.head) { + state.head.extra = null/*Z_NULL*/; + } + state.mode = EXTRA; + /* falls through */ + case EXTRA: + if (state.flags & 0x0400) { + copy = state.length; + if (copy > have) { copy = have; } + if (copy) { + if (state.head) { + len = state.head.extra_len - state.length; + if (!state.head.extra) { + // Use untyped array for more convenient processing later + state.head.extra = new Array(state.head.extra_len); + } + utils.arraySet( + state.head.extra, + input, + next, + // extra field is limited to 65536 bytes + // - no need for additional size check + copy, + /*len + copy > state.head.extra_max - len ? state.head.extra_max : copy,*/ + len + ); + //zmemcpy(state.head.extra + len, next, + // len + copy > state.head.extra_max ? + // state.head.extra_max - len : copy); + } + if (state.flags & 0x0200) { + state.check = crc32(state.check, input, copy, next); } - utils.arraySet( - state.head.extra, - input, - next, - // extra field is limited to 65536 bytes - // - no need for additional size check - copy, - /*len + copy > state.head.extra_max - len ? state.head.extra_max : copy,*/ - len - ); - //zmemcpy(state.head.extra + len, next, - // len + copy > state.head.extra_max ? - // state.head.extra_max - len : copy); + have -= copy; + next += copy; + state.length -= copy; } + if (state.length) { break inf_leave; } + } + state.length = 0; + state.mode = NAME; + /* falls through */ + case NAME: + if (state.flags & 0x0800) { + if (have === 0) { break inf_leave; } + copy = 0; + do { + // TODO: 2 or 1 bytes? + len = input[next + copy++]; + /* use constant limit because in js we should not preallocate memory */ + if (state.head && len && + (state.length < 65536 /*state.head.name_max*/)) { + state.head.name += String.fromCharCode(len); + } + } while (len && copy < have); + if (state.flags & 0x0200) { state.check = crc32(state.check, input, copy, next); } have -= copy; next += copy; - state.length -= copy; + if (len) { break inf_leave; } } - if (state.length) { break inf_leave; } - } - state.length = 0; - state.mode = NAME; - /* falls through */ - case NAME: - if (state.flags & 0x0800) { - if (have === 0) { break inf_leave; } - copy = 0; - do { - // TODO: 2 or 1 bytes? - len = input[next + copy++]; - /* use constant limit because in js we should not preallocate memory */ - if (state.head && len && - (state.length < 65536 /*state.head.name_max*/)) { - state.head.name += String.fromCharCode(len); - } - } while (len && copy < have); - - if (state.flags & 0x0200) { - state.check = crc32(state.check, input, copy, next); + else if (state.head) { + state.head.name = null; } - have -= copy; - next += copy; - if (len) { break inf_leave; } - } - else if (state.head) { - state.head.name = null; - } - state.length = 0; - state.mode = COMMENT; - /* falls through */ - case COMMENT: - if (state.flags & 0x1000) { - if (have === 0) { break inf_leave; } - copy = 0; - do { - len = input[next + copy++]; - /* use constant limit because in js we should not preallocate memory */ - if (state.head && len && - (state.length < 65536 /*state.head.comm_max*/)) { - state.head.comment += String.fromCharCode(len); + state.length = 0; + state.mode = COMMENT; + /* falls through */ + case COMMENT: + if (state.flags & 0x1000) { + if (have === 0) { break inf_leave; } + copy = 0; + do { + len = input[next + copy++]; + /* use constant limit because in js we should not preallocate memory */ + if (state.head && len && + (state.length < 65536 /*state.head.comm_max*/)) { + state.head.comment += String.fromCharCode(len); + } + } while (len && copy < have); + if (state.flags & 0x0200) { + state.check = crc32(state.check, input, copy, next); } - } while (len && copy < have); + have -= copy; + next += copy; + if (len) { break inf_leave; } + } + else if (state.head) { + state.head.comment = null; + } + state.mode = HCRC; + /* falls through */ + case HCRC: if (state.flags & 0x0200) { - state.check = crc32(state.check, input, copy, next); + //=== NEEDBITS(16); */ + while (bits < 16) { + if (have === 0) { break inf_leave; } + have--; + hold += input[next++] << bits; + bits += 8; + } + //===// + if (hold !== (state.check & 0xffff)) { + strm.msg = 'header crc mismatch'; + state.mode = BAD; + break; + } + //=== INITBITS(); + hold = 0; + bits = 0; + //===// } - have -= copy; - next += copy; - if (len) { break inf_leave; } - } - else if (state.head) { - state.head.comment = null; - } - state.mode = HCRC; - /* falls through */ - case HCRC: - if (state.flags & 0x0200) { - //=== NEEDBITS(16); */ - while (bits < 16) { + if (state.head) { + state.head.hcrc = ((state.flags >> 9) & 1); + state.head.done = true; + } + strm.adler = state.check = 0; + state.mode = TYPE; + break; + case DICTID: + //=== NEEDBITS(32); */ + while (bits < 32) { if (have === 0) { break inf_leave; } have--; hold += input[next++] << bits; bits += 8; } //===// - if (hold !== (state.check & 0xffff)) { - strm.msg = 'header crc mismatch'; - state.mode = BAD; - break; - } + strm.adler = state.check = zswap32(hold); //=== INITBITS(); hold = 0; bits = 0; //===// - } - if (state.head) { - state.head.hcrc = ((state.flags >> 9) & 1); - state.head.done = true; - } - strm.adler = state.check = 0; - state.mode = TYPE; - break; - case DICTID: - //=== NEEDBITS(32); */ - while (bits < 32) { - if (have === 0) { break inf_leave; } - have--; - hold += input[next++] << bits; - bits += 8; - } - //===// - strm.adler = state.check = zswap32(hold); - //=== INITBITS(); - hold = 0; - bits = 0; - //===// - state.mode = DICT; - /* falls through */ - case DICT: - if (state.havedict === 0) { - //--- RESTORE() --- - strm.next_out = put; - strm.avail_out = left; - strm.next_in = next; - strm.avail_in = have; - state.hold = hold; - state.bits = bits; - //--- - return Z_NEED_DICT; - } - strm.adler = state.check = 1/*adler32(0L, Z_NULL, 0)*/; - state.mode = TYPE; - /* falls through */ - case TYPE: - if (flush === Z_BLOCK || flush === Z_TREES) { break inf_leave; } - /* falls through */ - case TYPEDO: - if (state.last) { - //--- BYTEBITS() ---// - hold >>>= bits & 7; - bits -= bits & 7; - //---// - state.mode = CHECK; - break; - } - //=== NEEDBITS(3); */ - while (bits < 3) { - if (have === 0) { break inf_leave; } - have--; - hold += input[next++] << bits; - bits += 8; - } - //===// - state.last = (hold & 0x01)/*BITS(1)*/; - //--- DROPBITS(1) ---// - hold >>>= 1; - bits -= 1; - //---// - - switch ((hold & 0x03)/*BITS(2)*/) { - case 0: /* stored block */ - //Tracev((stderr, "inflate: stored block%s\n", - // state.last ? " (last)" : "")); - state.mode = STORED; - break; - case 1: /* fixed block */ - fixedtables(state); - //Tracev((stderr, "inflate: fixed codes block%s\n", - // state.last ? " (last)" : "")); - state.mode = LEN_; /* decode codes */ - if (flush === Z_TREES) { - //--- DROPBITS(2) ---// - hold >>>= 2; - bits -= 2; + state.mode = DICT; + /* falls through */ + case DICT: + if (state.havedict === 0) { + //--- RESTORE() --- + strm.next_out = put; + strm.avail_out = left; + strm.next_in = next; + strm.avail_in = have; + state.hold = hold; + state.bits = bits; + //--- + return Z_NEED_DICT; + } + strm.adler = state.check = 1/*adler32(0L, Z_NULL, 0)*/; + state.mode = TYPE; + /* falls through */ + case TYPE: + if (flush === Z_BLOCK || flush === Z_TREES) { break inf_leave; } + /* falls through */ + case TYPEDO: + if (state.last) { + //--- BYTEBITS() ---// + hold >>>= bits & 7; + bits -= bits & 7; //---// - break inf_leave; + state.mode = CHECK; + break; } - break; - case 2: /* dynamic block */ - //Tracev((stderr, "inflate: dynamic codes block%s\n", - // state.last ? " (last)" : "")); - state.mode = TABLE; - break; - case 3: - strm.msg = 'invalid block type'; - state.mode = BAD; - } - //--- DROPBITS(2) ---// - hold >>>= 2; - bits -= 2; - //---// - break; - case STORED: - //--- BYTEBITS() ---// /* go to byte boundary */ - hold >>>= bits & 7; - bits -= bits & 7; - //---// - //=== NEEDBITS(32); */ - while (bits < 32) { - if (have === 0) { break inf_leave; } - have--; - hold += input[next++] << bits; - bits += 8; - } - //===// - if ((hold & 0xffff) !== ((hold >>> 16) ^ 0xffff)) { - strm.msg = 'invalid stored block lengths'; - state.mode = BAD; - break; - } - state.length = hold & 0xffff; - //Tracev((stderr, "inflate: stored length %u\n", - // state.length)); - //=== INITBITS(); - hold = 0; - bits = 0; - //===// - state.mode = COPY_; - if (flush === Z_TREES) { break inf_leave; } - /* falls through */ - case COPY_: - state.mode = COPY; - /* falls through */ - case COPY: - copy = state.length; - if (copy) { - if (copy > have) { copy = have; } - if (copy > left) { copy = left; } - if (copy === 0) { break inf_leave; } - //--- zmemcpy(put, next, copy); --- - utils.arraySet(output, input, next, copy, put); - //---// - have -= copy; - next += copy; - left -= copy; - put += copy; - state.length -= copy; - break; - } - //Tracev((stderr, "inflate: stored end\n")); - state.mode = TYPE; - break; - case TABLE: - //=== NEEDBITS(14); */ - while (bits < 14) { - if (have === 0) { break inf_leave; } - have--; - hold += input[next++] << bits; - bits += 8; - } - //===// - state.nlen = (hold & 0x1f)/*BITS(5)*/ + 257; - //--- DROPBITS(5) ---// - hold >>>= 5; - bits -= 5; - //---// - state.ndist = (hold & 0x1f)/*BITS(5)*/ + 1; - //--- DROPBITS(5) ---// - hold >>>= 5; - bits -= 5; - //---// - state.ncode = (hold & 0x0f)/*BITS(4)*/ + 4; - //--- DROPBITS(4) ---// - hold >>>= 4; - bits -= 4; - //---// -//#ifndef PKZIP_BUG_WORKAROUND - if (state.nlen > 286 || state.ndist > 30) { - strm.msg = 'too many length or distance symbols'; - state.mode = BAD; - break; - } -//#endif - //Tracev((stderr, "inflate: table sizes ok\n")); - state.have = 0; - state.mode = LENLENS; - /* falls through */ - case LENLENS: - while (state.have < state.ncode) { - //=== NEEDBITS(3); + //=== NEEDBITS(3); */ while (bits < 3) { if (have === 0) { break inf_leave; } have--; @@ -7288,243 +7292,358 @@ function inflate(strm, flush) { bits += 8; } //===// - state.lens[order[state.have++]] = (hold & 0x07);//BITS(3); - //--- DROPBITS(3) ---// - hold >>>= 3; - bits -= 3; + state.last = (hold & 0x01)/*BITS(1)*/; + //--- DROPBITS(1) ---// + hold >>>= 1; + bits -= 1; //---// - } - while (state.have < 19) { - state.lens[order[state.have++]] = 0; - } - // We have separate tables & no pointers. 2 commented lines below not needed. - //state.next = state.codes; - //state.lencode = state.next; - // Switch to use dynamic table - state.lencode = state.lendyn; - state.lenbits = 7; - - opts = { bits: state.lenbits }; - ret = inflate_table(CODES, state.lens, 0, 19, state.lencode, 0, state.work, opts); - state.lenbits = opts.bits; - - if (ret) { - strm.msg = 'invalid code lengths set'; - state.mode = BAD; - break; - } - //Tracev((stderr, "inflate: code lengths ok\n")); - state.have = 0; - state.mode = CODELENS; - /* falls through */ - case CODELENS: - while (state.have < state.nlen + state.ndist) { - for (;;) { - here = state.lencode[hold & ((1 << state.lenbits) - 1)];/*BITS(state.lenbits)*/ - here_bits = here >>> 24; - here_op = (here >>> 16) & 0xff; - here_val = here & 0xffff; - if ((here_bits) <= bits) { break; } - //--- PULLBYTE() ---// - if (have === 0) { break inf_leave; } - have--; - hold += input[next++] << bits; - bits += 8; - //---// + switch ((hold & 0x03)/*BITS(2)*/) { + case 0: /* stored block */ + //Tracev((stderr, "inflate: stored block%s\n", + // state.last ? " (last)" : "")); + state.mode = STORED; + break; + case 1: /* fixed block */ + fixedtables(state); + //Tracev((stderr, "inflate: fixed codes block%s\n", + // state.last ? " (last)" : "")); + state.mode = LEN_; /* decode codes */ + if (flush === Z_TREES) { + //--- DROPBITS(2) ---// + hold >>>= 2; + bits -= 2; + //---// + break inf_leave; + } + break; + case 2: /* dynamic block */ + //Tracev((stderr, "inflate: dynamic codes block%s\n", + // state.last ? " (last)" : "")); + state.mode = TABLE; + break; + case 3: + strm.msg = 'invalid block type'; + state.mode = BAD; } - if (here_val < 16) { - //--- DROPBITS(here.bits) ---// - hold >>>= here_bits; - bits -= here_bits; + //--- DROPBITS(2) ---// + hold >>>= 2; + bits -= 2; + //---// + break; + case STORED: + //--- BYTEBITS() ---// /* go to byte boundary */ + hold >>>= bits & 7; + bits -= bits & 7; + //---// + //=== NEEDBITS(32); */ + while (bits < 32) { + if (have === 0) { break inf_leave; } + have--; + hold += input[next++] << bits; + bits += 8; + } + //===// + if ((hold & 0xffff) !== ((hold >>> 16) ^ 0xffff)) { + strm.msg = 'invalid stored block lengths'; + state.mode = BAD; + break; + } + state.length = hold & 0xffff; + //Tracev((stderr, "inflate: stored length %u\n", + // state.length)); + //=== INITBITS(); + hold = 0; + bits = 0; + //===// + state.mode = COPY_; + if (flush === Z_TREES) { break inf_leave; } + /* falls through */ + case COPY_: + state.mode = COPY; + /* falls through */ + case COPY: + copy = state.length; + if (copy) { + if (copy > have) { copy = have; } + if (copy > left) { copy = left; } + if (copy === 0) { break inf_leave; } + //--- zmemcpy(put, next, copy); --- + utils.arraySet(output, input, next, copy, put); //---// - state.lens[state.have++] = here_val; + have -= copy; + next += copy; + left -= copy; + put += copy; + state.length -= copy; + break; } - else { - if (here_val === 16) { - //=== NEEDBITS(here.bits + 2); - n = here_bits + 2; - while (bits < n) { - if (have === 0) { break inf_leave; } - have--; - hold += input[next++] << bits; - bits += 8; - } - //===// - //--- DROPBITS(here.bits) ---// - hold >>>= here_bits; - bits -= here_bits; - //---// - if (state.have === 0) { - strm.msg = 'invalid bit length repeat'; - state.mode = BAD; - break; - } - len = state.lens[state.have - 1]; - copy = 3 + (hold & 0x03);//BITS(2); - //--- DROPBITS(2) ---// - hold >>>= 2; - bits -= 2; + //Tracev((stderr, "inflate: stored end\n")); + state.mode = TYPE; + break; + case TABLE: + //=== NEEDBITS(14); */ + while (bits < 14) { + if (have === 0) { break inf_leave; } + have--; + hold += input[next++] << bits; + bits += 8; + } + //===// + state.nlen = (hold & 0x1f)/*BITS(5)*/ + 257; + //--- DROPBITS(5) ---// + hold >>>= 5; + bits -= 5; + //---// + state.ndist = (hold & 0x1f)/*BITS(5)*/ + 1; + //--- DROPBITS(5) ---// + hold >>>= 5; + bits -= 5; + //---// + state.ncode = (hold & 0x0f)/*BITS(4)*/ + 4; + //--- DROPBITS(4) ---// + hold >>>= 4; + bits -= 4; + //---// +//#ifndef PKZIP_BUG_WORKAROUND + if (state.nlen > 286 || state.ndist > 30) { + strm.msg = 'too many length or distance symbols'; + state.mode = BAD; + break; + } +//#endif + //Tracev((stderr, "inflate: table sizes ok\n")); + state.have = 0; + state.mode = LENLENS; + /* falls through */ + case LENLENS: + while (state.have < state.ncode) { + //=== NEEDBITS(3); + while (bits < 3) { + if (have === 0) { break inf_leave; } + have--; + hold += input[next++] << bits; + bits += 8; + } + //===// + state.lens[order[state.have++]] = (hold & 0x07);//BITS(3); + //--- DROPBITS(3) ---// + hold >>>= 3; + bits -= 3; + //---// + } + while (state.have < 19) { + state.lens[order[state.have++]] = 0; + } + // We have separate tables & no pointers. 2 commented lines below not needed. + //state.next = state.codes; + //state.lencode = state.next; + // Switch to use dynamic table + state.lencode = state.lendyn; + state.lenbits = 7; + + opts = { bits: state.lenbits }; + ret = inflate_table(CODES, state.lens, 0, 19, state.lencode, 0, state.work, opts); + state.lenbits = opts.bits; + + if (ret) { + strm.msg = 'invalid code lengths set'; + state.mode = BAD; + break; + } + //Tracev((stderr, "inflate: code lengths ok\n")); + state.have = 0; + state.mode = CODELENS; + /* falls through */ + case CODELENS: + while (state.have < state.nlen + state.ndist) { + for (;;) { + here = state.lencode[hold & ((1 << state.lenbits) - 1)];/*BITS(state.lenbits)*/ + here_bits = here >>> 24; + here_op = (here >>> 16) & 0xff; + here_val = here & 0xffff; + + if ((here_bits) <= bits) { break; } + //--- PULLBYTE() ---// + if (have === 0) { break inf_leave; } + have--; + hold += input[next++] << bits; + bits += 8; //---// } - else if (here_val === 17) { - //=== NEEDBITS(here.bits + 3); - n = here_bits + 3; - while (bits < n) { - if (have === 0) { break inf_leave; } - have--; - hold += input[next++] << bits; - bits += 8; - } - //===// + if (here_val < 16) { //--- DROPBITS(here.bits) ---// hold >>>= here_bits; bits -= here_bits; //---// - len = 0; - copy = 3 + (hold & 0x07);//BITS(3); - //--- DROPBITS(3) ---// - hold >>>= 3; - bits -= 3; - //---// + state.lens[state.have++] = here_val; } else { - //=== NEEDBITS(here.bits + 7); - n = here_bits + 7; - while (bits < n) { - if (have === 0) { break inf_leave; } - have--; - hold += input[next++] << bits; - bits += 8; + if (here_val === 16) { + //=== NEEDBITS(here.bits + 2); + n = here_bits + 2; + while (bits < n) { + if (have === 0) { break inf_leave; } + have--; + hold += input[next++] << bits; + bits += 8; + } + //===// + //--- DROPBITS(here.bits) ---// + hold >>>= here_bits; + bits -= here_bits; + //---// + if (state.have === 0) { + strm.msg = 'invalid bit length repeat'; + state.mode = BAD; + break; + } + len = state.lens[state.have - 1]; + copy = 3 + (hold & 0x03);//BITS(2); + //--- DROPBITS(2) ---// + hold >>>= 2; + bits -= 2; + //---// + } + else if (here_val === 17) { + //=== NEEDBITS(here.bits + 3); + n = here_bits + 3; + while (bits < n) { + if (have === 0) { break inf_leave; } + have--; + hold += input[next++] << bits; + bits += 8; + } + //===// + //--- DROPBITS(here.bits) ---// + hold >>>= here_bits; + bits -= here_bits; + //---// + len = 0; + copy = 3 + (hold & 0x07);//BITS(3); + //--- DROPBITS(3) ---// + hold >>>= 3; + bits -= 3; + //---// + } + else { + //=== NEEDBITS(here.bits + 7); + n = here_bits + 7; + while (bits < n) { + if (have === 0) { break inf_leave; } + have--; + hold += input[next++] << bits; + bits += 8; + } + //===// + //--- DROPBITS(here.bits) ---// + hold >>>= here_bits; + bits -= here_bits; + //---// + len = 0; + copy = 11 + (hold & 0x7f);//BITS(7); + //--- DROPBITS(7) ---// + hold >>>= 7; + bits -= 7; + //---// + } + if (state.have + copy > state.nlen + state.ndist) { + strm.msg = 'invalid bit length repeat'; + state.mode = BAD; + break; + } + while (copy--) { + state.lens[state.have++] = len; } - //===// - //--- DROPBITS(here.bits) ---// - hold >>>= here_bits; - bits -= here_bits; - //---// - len = 0; - copy = 11 + (hold & 0x7f);//BITS(7); - //--- DROPBITS(7) ---// - hold >>>= 7; - bits -= 7; - //---// - } - if (state.have + copy > state.nlen + state.ndist) { - strm.msg = 'invalid bit length repeat'; - state.mode = BAD; - break; - } - while (copy--) { - state.lens[state.have++] = len; } } - } - /* handle error breaks in while */ - if (state.mode === BAD) { break; } + /* handle error breaks in while */ + if (state.mode === BAD) { break; } - /* check for end-of-block code (better have one) */ - if (state.lens[256] === 0) { - strm.msg = 'invalid code -- missing end-of-block'; - state.mode = BAD; - break; - } + /* check for end-of-block code (better have one) */ + if (state.lens[256] === 0) { + strm.msg = 'invalid code -- missing end-of-block'; + state.mode = BAD; + break; + } - /* build code tables -- note: do not change the lenbits or distbits - values here (9 and 6) without reading the comments in inftrees.h - concerning the ENOUGH constants, which depend on those values */ - state.lenbits = 9; + /* build code tables -- note: do not change the lenbits or distbits + values here (9 and 6) without reading the comments in inftrees.h + concerning the ENOUGH constants, which depend on those values */ + state.lenbits = 9; - opts = { bits: state.lenbits }; - ret = inflate_table(LENS, state.lens, 0, state.nlen, state.lencode, 0, state.work, opts); - // We have separate tables & no pointers. 2 commented lines below not needed. - // state.next_index = opts.table_index; - state.lenbits = opts.bits; - // state.lencode = state.next; + opts = { bits: state.lenbits }; + ret = inflate_table(LENS, state.lens, 0, state.nlen, state.lencode, 0, state.work, opts); + // We have separate tables & no pointers. 2 commented lines below not needed. + // state.next_index = opts.table_index; + state.lenbits = opts.bits; + // state.lencode = state.next; - if (ret) { - strm.msg = 'invalid literal/lengths set'; - state.mode = BAD; - break; - } + if (ret) { + strm.msg = 'invalid literal/lengths set'; + state.mode = BAD; + break; + } - state.distbits = 6; - //state.distcode.copy(state.codes); - // Switch to use dynamic table - state.distcode = state.distdyn; - opts = { bits: state.distbits }; - ret = inflate_table(DISTS, state.lens, state.nlen, state.ndist, state.distcode, 0, state.work, opts); - // We have separate tables & no pointers. 2 commented lines below not needed. - // state.next_index = opts.table_index; - state.distbits = opts.bits; - // state.distcode = state.next; - - if (ret) { - strm.msg = 'invalid distances set'; - state.mode = BAD; - break; - } - //Tracev((stderr, 'inflate: codes ok\n')); - state.mode = LEN_; - if (flush === Z_TREES) { break inf_leave; } - /* falls through */ - case LEN_: - state.mode = LEN; - /* falls through */ - case LEN: - if (have >= 6 && left >= 258) { - //--- RESTORE() --- - strm.next_out = put; - strm.avail_out = left; - strm.next_in = next; - strm.avail_in = have; - state.hold = hold; - state.bits = bits; - //--- - inflate_fast(strm, _out); - //--- LOAD() --- - put = strm.next_out; - output = strm.output; - left = strm.avail_out; - next = strm.next_in; - input = strm.input; - have = strm.avail_in; - hold = state.hold; - bits = state.bits; - //--- - - if (state.mode === TYPE) { - state.back = -1; + state.distbits = 6; + //state.distcode.copy(state.codes); + // Switch to use dynamic table + state.distcode = state.distdyn; + opts = { bits: state.distbits }; + ret = inflate_table(DISTS, state.lens, state.nlen, state.ndist, state.distcode, 0, state.work, opts); + // We have separate tables & no pointers. 2 commented lines below not needed. + // state.next_index = opts.table_index; + state.distbits = opts.bits; + // state.distcode = state.next; + + if (ret) { + strm.msg = 'invalid distances set'; + state.mode = BAD; + break; } - break; - } - state.back = 0; - for (;;) { - here = state.lencode[hold & ((1 << state.lenbits) - 1)]; /*BITS(state.lenbits)*/ - here_bits = here >>> 24; - here_op = (here >>> 16) & 0xff; - here_val = here & 0xffff; - - if (here_bits <= bits) { break; } - //--- PULLBYTE() ---// - if (have === 0) { break inf_leave; } - have--; - hold += input[next++] << bits; - bits += 8; - //---// - } - if (here_op && (here_op & 0xf0) === 0) { - last_bits = here_bits; - last_op = here_op; - last_val = here_val; + //Tracev((stderr, 'inflate: codes ok\n')); + state.mode = LEN_; + if (flush === Z_TREES) { break inf_leave; } + /* falls through */ + case LEN_: + state.mode = LEN; + /* falls through */ + case LEN: + if (have >= 6 && left >= 258) { + //--- RESTORE() --- + strm.next_out = put; + strm.avail_out = left; + strm.next_in = next; + strm.avail_in = have; + state.hold = hold; + state.bits = bits; + //--- + inflate_fast(strm, _out); + //--- LOAD() --- + put = strm.next_out; + output = strm.output; + left = strm.avail_out; + next = strm.next_in; + input = strm.input; + have = strm.avail_in; + hold = state.hold; + bits = state.bits; + //--- + + if (state.mode === TYPE) { + state.back = -1; + } + break; + } + state.back = 0; for (;;) { - here = state.lencode[last_val + - ((hold & ((1 << (last_bits + last_op)) - 1))/*BITS(last.bits + last.op)*/ >> last_bits)]; + here = state.lencode[hold & ((1 << state.lenbits) - 1)]; /*BITS(state.lenbits)*/ here_bits = here >>> 24; here_op = (here >>> 16) & 0xff; here_val = here & 0xffff; - if ((last_bits + here_bits) <= bits) { break; } + if (here_bits <= bits) { break; } //--- PULLBYTE() ---// if (have === 0) { break inf_leave; } have--; @@ -7532,88 +7651,88 @@ function inflate(strm, flush) { bits += 8; //---// } - //--- DROPBITS(last.bits) ---// - hold >>>= last_bits; - bits -= last_bits; - //---// - state.back += last_bits; - } - //--- DROPBITS(here.bits) ---// - hold >>>= here_bits; - bits -= here_bits; - //---// - state.back += here_bits; - state.length = here_val; - if (here_op === 0) { - //Tracevv((stderr, here.val >= 0x20 && here.val < 0x7f ? - // "inflate: literal '%c'\n" : - // "inflate: literal 0x%02x\n", here.val)); - state.mode = LIT; - break; - } - if (here_op & 32) { - //Tracevv((stderr, "inflate: end of block\n")); - state.back = -1; - state.mode = TYPE; - break; - } - if (here_op & 64) { - strm.msg = 'invalid literal/length code'; - state.mode = BAD; - break; - } - state.extra = here_op & 15; - state.mode = LENEXT; - /* falls through */ - case LENEXT: - if (state.extra) { - //=== NEEDBITS(state.extra); - n = state.extra; - while (bits < n) { - if (have === 0) { break inf_leave; } - have--; - hold += input[next++] << bits; - bits += 8; + if (here_op && (here_op & 0xf0) === 0) { + last_bits = here_bits; + last_op = here_op; + last_val = here_val; + for (;;) { + here = state.lencode[last_val + + ((hold & ((1 << (last_bits + last_op)) - 1))/*BITS(last.bits + last.op)*/ >> last_bits)]; + here_bits = here >>> 24; + here_op = (here >>> 16) & 0xff; + here_val = here & 0xffff; + + if ((last_bits + here_bits) <= bits) { break; } + //--- PULLBYTE() ---// + if (have === 0) { break inf_leave; } + have--; + hold += input[next++] << bits; + bits += 8; + //---// + } + //--- DROPBITS(last.bits) ---// + hold >>>= last_bits; + bits -= last_bits; + //---// + state.back += last_bits; } - //===// - state.length += hold & ((1 << state.extra) - 1)/*BITS(state.extra)*/; - //--- DROPBITS(state.extra) ---// - hold >>>= state.extra; - bits -= state.extra; - //---// - state.back += state.extra; - } - //Tracevv((stderr, "inflate: length %u\n", state.length)); - state.was = state.length; - state.mode = DIST; - /* falls through */ - case DIST: - for (;;) { - here = state.distcode[hold & ((1 << state.distbits) - 1)];/*BITS(state.distbits)*/ - here_bits = here >>> 24; - here_op = (here >>> 16) & 0xff; - here_val = here & 0xffff; - - if ((here_bits) <= bits) { break; } - //--- PULLBYTE() ---// - if (have === 0) { break inf_leave; } - have--; - hold += input[next++] << bits; - bits += 8; + //--- DROPBITS(here.bits) ---// + hold >>>= here_bits; + bits -= here_bits; //---// - } - if ((here_op & 0xf0) === 0) { - last_bits = here_bits; - last_op = here_op; - last_val = here_val; + state.back += here_bits; + state.length = here_val; + if (here_op === 0) { + //Tracevv((stderr, here.val >= 0x20 && here.val < 0x7f ? + // "inflate: literal '%c'\n" : + // "inflate: literal 0x%02x\n", here.val)); + state.mode = LIT; + break; + } + if (here_op & 32) { + //Tracevv((stderr, "inflate: end of block\n")); + state.back = -1; + state.mode = TYPE; + break; + } + if (here_op & 64) { + strm.msg = 'invalid literal/length code'; + state.mode = BAD; + break; + } + state.extra = here_op & 15; + state.mode = LENEXT; + /* falls through */ + case LENEXT: + if (state.extra) { + //=== NEEDBITS(state.extra); + n = state.extra; + while (bits < n) { + if (have === 0) { break inf_leave; } + have--; + hold += input[next++] << bits; + bits += 8; + } + //===// + state.length += hold & ((1 << state.extra) - 1)/*BITS(state.extra)*/; + //--- DROPBITS(state.extra) ---// + hold >>>= state.extra; + bits -= state.extra; + //---// + state.back += state.extra; + } + //Tracevv((stderr, "inflate: length %u\n", state.length)); + state.was = state.length; + state.mode = DIST; + /* falls through */ + case DIST: for (;;) { - here = state.distcode[last_val + - ((hold & ((1 << (last_bits + last_op)) - 1))/*BITS(last.bits + last.op)*/ >> last_bits)]; + here = state.distcode[hold & ((1 << state.distbits) - 1)];/*BITS(state.distbits)*/ here_bits = here >>> 24; here_op = (here >>> 16) & 0xff; here_val = here & 0xffff; - if ((last_bits + here_bits) <= bits) { break; } + if ((here_bits) <= bits) { break; } //--- PULLBYTE() ---// if (have === 0) { break inf_leave; } have--; @@ -7621,66 +7740,85 @@ function inflate(strm, flush) { bits += 8; //---// } - //--- DROPBITS(last.bits) ---// - hold >>>= last_bits; - bits -= last_bits; - //---// - state.back += last_bits; - } - //--- DROPBITS(here.bits) ---// - hold >>>= here_bits; - bits -= here_bits; - //---// - state.back += here_bits; - if (here_op & 64) { - strm.msg = 'invalid distance code'; - state.mode = BAD; - break; - } - state.offset = here_val; - state.extra = (here_op) & 15; - state.mode = DISTEXT; - /* falls through */ - case DISTEXT: - if (state.extra) { - //=== NEEDBITS(state.extra); - n = state.extra; - while (bits < n) { - if (have === 0) { break inf_leave; } - have--; - hold += input[next++] << bits; - bits += 8; + if ((here_op & 0xf0) === 0) { + last_bits = here_bits; + last_op = here_op; + last_val = here_val; + for (;;) { + here = state.distcode[last_val + + ((hold & ((1 << (last_bits + last_op)) - 1))/*BITS(last.bits + last.op)*/ >> last_bits)]; + here_bits = here >>> 24; + here_op = (here >>> 16) & 0xff; + here_val = here & 0xffff; + + if ((last_bits + here_bits) <= bits) { break; } + //--- PULLBYTE() ---// + if (have === 0) { break inf_leave; } + have--; + hold += input[next++] << bits; + bits += 8; + //---// + } + //--- DROPBITS(last.bits) ---// + hold >>>= last_bits; + bits -= last_bits; + //---// + state.back += last_bits; } - //===// - state.offset += hold & ((1 << state.extra) - 1)/*BITS(state.extra)*/; - //--- DROPBITS(state.extra) ---// - hold >>>= state.extra; - bits -= state.extra; + //--- DROPBITS(here.bits) ---// + hold >>>= here_bits; + bits -= here_bits; //---// - state.back += state.extra; - } + state.back += here_bits; + if (here_op & 64) { + strm.msg = 'invalid distance code'; + state.mode = BAD; + break; + } + state.offset = here_val; + state.extra = (here_op) & 15; + state.mode = DISTEXT; + /* falls through */ + case DISTEXT: + if (state.extra) { + //=== NEEDBITS(state.extra); + n = state.extra; + while (bits < n) { + if (have === 0) { break inf_leave; } + have--; + hold += input[next++] << bits; + bits += 8; + } + //===// + state.offset += hold & ((1 << state.extra) - 1)/*BITS(state.extra)*/; + //--- DROPBITS(state.extra) ---// + hold >>>= state.extra; + bits -= state.extra; + //---// + state.back += state.extra; + } //#ifdef INFLATE_STRICT - if (state.offset > state.dmax) { - strm.msg = 'invalid distance too far back'; - state.mode = BAD; - break; - } + if (state.offset > state.dmax) { + strm.msg = 'invalid distance too far back'; + state.mode = BAD; + break; + } //#endif - //Tracevv((stderr, "inflate: distance %u\n", state.offset)); - state.mode = MATCH; - /* falls through */ - case MATCH: - if (left === 0) { break inf_leave; } - copy = _out - left; - if (state.offset > copy) { /* copy from window */ - copy = state.offset - copy; - if (copy > state.whave) { - if (state.sane) { - strm.msg = 'invalid distance too far back'; - state.mode = BAD; - break; - } -// (!) This block is disabled in zlib defailts, + //Tracevv((stderr, "inflate: distance %u\n", state.offset)); + state.mode = MATCH; + /* falls through */ + case MATCH: + if (left === 0) { break inf_leave; } + copy = _out - left; + if (state.offset > copy) { /* copy from window */ + copy = state.offset - copy; + if (copy > state.whave) { + if (state.sane) { + strm.msg = 'invalid distance too far back'; + state.mode = BAD; + break; + } +// (!) This block is disabled in zlib defaults, // don't enable it for binary compatibility //#ifdef INFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR // Trace((stderr, "inflate.c too far\n")); @@ -7695,106 +7833,106 @@ function inflate(strm, flush) { // if (state.length === 0) { state.mode = LEN; } // break; //#endif + } + if (copy > state.wnext) { + copy -= state.wnext; + from = state.wsize - copy; + } + else { + from = state.wnext - copy; + } + if (copy > state.length) { copy = state.length; } + from_source = state.window; } - if (copy > state.wnext) { - copy -= state.wnext; - from = state.wsize - copy; - } - else { - from = state.wnext - copy; - } - if (copy > state.length) { copy = state.length; } - from_source = state.window; - } - else { /* copy from output */ - from_source = output; - from = put - state.offset; - copy = state.length; - } - if (copy > left) { copy = left; } - left -= copy; - state.length -= copy; - do { - output[put++] = from_source[from++]; - } while (--copy); - if (state.length === 0) { state.mode = LEN; } - break; - case LIT: - if (left === 0) { break inf_leave; } - output[put++] = state.length; - left--; - state.mode = LEN; - break; - case CHECK: - if (state.wrap) { - //=== NEEDBITS(32); - while (bits < 32) { - if (have === 0) { break inf_leave; } - have--; - // Use '|' insdead of '+' to make sure that result is signed - hold |= input[next++] << bits; - bits += 8; - } - //===// - _out -= left; - strm.total_out += _out; - state.total += _out; - if (_out) { - strm.adler = state.check = - /*UPDATE(state.check, put - _out, _out);*/ - (state.flags ? crc32(state.check, output, _out, put - _out) : adler32(state.check, output, _out, put - _out)); - - } - _out = left; - // NB: crc32 stored as signed 32-bit int, zswap32 returns signed too - if ((state.flags ? hold : zswap32(hold)) !== state.check) { - strm.msg = 'incorrect data check'; - state.mode = BAD; - break; + else { /* copy from output */ + from_source = output; + from = put - state.offset; + copy = state.length; } - //=== INITBITS(); - hold = 0; - bits = 0; - //===// - //Tracev((stderr, "inflate: check matches trailer\n")); - } - state.mode = LENGTH; - /* falls through */ - case LENGTH: - if (state.wrap && state.flags) { - //=== NEEDBITS(32); - while (bits < 32) { - if (have === 0) { break inf_leave; } - have--; - hold += input[next++] << bits; - bits += 8; + if (copy > left) { copy = left; } + left -= copy; + state.length -= copy; + do { + output[put++] = from_source[from++]; + } while (--copy); + if (state.length === 0) { state.mode = LEN; } + break; + case LIT: + if (left === 0) { break inf_leave; } + output[put++] = state.length; + left--; + state.mode = LEN; + break; + case CHECK: + if (state.wrap) { + //=== NEEDBITS(32); + while (bits < 32) { + if (have === 0) { break inf_leave; } + have--; + // Use '|' instead of '+' to make sure that result is signed + hold |= input[next++] << bits; + bits += 8; + } + //===// + _out -= left; + strm.total_out += _out; + state.total += _out; + if (_out) { + strm.adler = state.check = + /*UPDATE(state.check, put - _out, _out);*/ + (state.flags ? crc32(state.check, output, _out, put - _out) : adler32(state.check, output, _out, put - _out)); + + } + _out = left; + // NB: crc32 stored as signed 32-bit int, zswap32 returns signed too + if ((state.flags ? hold : zswap32(hold)) !== state.check) { + strm.msg = 'incorrect data check'; + state.mode = BAD; + break; + } + //=== INITBITS(); + hold = 0; + bits = 0; + //===// + //Tracev((stderr, "inflate: check matches trailer\n")); } - //===// - if (hold !== (state.total & 0xffffffff)) { - strm.msg = 'incorrect length check'; - state.mode = BAD; - break; + state.mode = LENGTH; + /* falls through */ + case LENGTH: + if (state.wrap && state.flags) { + //=== NEEDBITS(32); + while (bits < 32) { + if (have === 0) { break inf_leave; } + have--; + hold += input[next++] << bits; + bits += 8; + } + //===// + if (hold !== (state.total & 0xffffffff)) { + strm.msg = 'incorrect length check'; + state.mode = BAD; + break; + } + //=== INITBITS(); + hold = 0; + bits = 0; + //===// + //Tracev((stderr, "inflate: length matches trailer\n")); } - //=== INITBITS(); - hold = 0; - bits = 0; - //===// - //Tracev((stderr, "inflate: length matches trailer\n")); - } - state.mode = DONE; - /* falls through */ - case DONE: - ret = Z_STREAM_END; - break inf_leave; - case BAD: - ret = Z_DATA_ERROR; - break inf_leave; - case MEM: - return Z_MEM_ERROR; - case SYNC: - /* falls through */ - default: - return Z_STREAM_ERROR; + state.mode = DONE; + /* falls through */ + case DONE: + ret = Z_STREAM_END; + break inf_leave; + case BAD: + ret = Z_DATA_ERROR; + break inf_leave; + case MEM: + return Z_MEM_ERROR; + case SYNC: + /* falls through */ + default: + return Z_STREAM_ERROR; } } @@ -7929,6 +8067,24 @@ exports.inflateUndermine = inflateUndermine; },{"../utils/common":28,"./adler32":30,"./crc32":32,"./inffast":35,"./inftrees":37}],37:[function(require,module,exports){ 'use strict'; +// (C) 1995-2013 Jean-loup Gailly and Mark Adler +// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin +// +// This software is provided 'as-is', without any express or implied +// warranty. In no event will the authors be held liable for any damages +// arising from the use of this software. +// +// Permission is granted to anyone to use this software for any purpose, +// including commercial applications, and to alter it and redistribute it +// freely, subject to the following restrictions: +// +// 1. The origin of this software must not be misrepresented; you must not +// claim that you wrote the original software. If you use this software +// in a product, an acknowledgment in the product documentation would be +// appreciated but is not required. +// 2. Altered source versions must be plainly marked as such, and must not be +// misrepresented as being the original software. +// 3. This notice may not be removed or altered from any source distribution. var utils = require('../utils/common'); @@ -8156,10 +8312,8 @@ module.exports = function inflate_table(type, lens, lens_index, codes, table, ta return 1; } - var i = 0; /* process all codes and make table entries */ for (;;) { - i++; /* create table entry */ here_bits = len - drop; if (work[sym] < end) { @@ -8258,6 +8412,25 @@ module.exports = function inflate_table(type, lens, lens_index, codes, table, ta },{"../utils/common":28}],38:[function(require,module,exports){ 'use strict'; +// (C) 1995-2013 Jean-loup Gailly and Mark Adler +// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin +// +// This software is provided 'as-is', without any express or implied +// warranty. In no event will the authors be held liable for any damages +// arising from the use of this software. +// +// Permission is granted to anyone to use this software for any purpose, +// including commercial applications, and to alter it and redistribute it +// freely, subject to the following restrictions: +// +// 1. The origin of this software must not be misrepresented; you must not +// claim that you wrote the original software. If you use this software +// in a product, an acknowledgment in the product documentation would be +// appreciated but is not required. +// 2. Altered source versions must be plainly marked as such, and must not be +// misrepresented as being the original software. +// 3. This notice may not be removed or altered from any source distribution. + module.exports = { 2: 'need dictionary', /* Z_NEED_DICT 2 */ 1: 'stream end', /* Z_STREAM_END 1 */ @@ -8273,6 +8446,26 @@ module.exports = { },{}],39:[function(require,module,exports){ 'use strict'; +// (C) 1995-2013 Jean-loup Gailly and Mark Adler +// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin +// +// This software is provided 'as-is', without any express or implied +// warranty. In no event will the authors be held liable for any damages +// arising from the use of this software. +// +// Permission is granted to anyone to use this software for any purpose, +// including commercial applications, and to alter it and redistribute it +// freely, subject to the following restrictions: +// +// 1. The origin of this software must not be misrepresented; you must not +// claim that you wrote the original software. If you use this software +// in a product, an acknowledgment in the product documentation would be +// appreciated but is not required. +// 2. Altered source versions must be plainly marked as such, and must not be +// misrepresented as being the original software. +// 3. This notice may not be removed or altered from any source distribution. + +/* eslint-disable space-unary-ops */ var utils = require('../utils/common'); @@ -8383,7 +8576,7 @@ var bl_order = var DIST_CODE_LEN = 512; /* see definition of array dist_code below */ -// !!!! Use flat array insdead of structure, Freq = i*2, Len = i*2+1 +// !!!! Use flat array instead of structure, Freq = i*2, Len = i*2+1 var static_ltree = new Array((L_CODES + 2) * 2); zero(static_ltree); /* The static literal tree. Since the bit lengths are imposed, there is no @@ -9438,7 +9631,7 @@ function _tr_tally(s, dist, lc) s.dyn_dtree[d_code(dist) * 2]/*.Freq*/++; } -// (!) This block is disabled in zlib defailts, +// (!) This block is disabled in zlib defaults, // don't enable it for binary compatibility //#ifdef TRUNCATE_BLOCK @@ -9477,6 +9670,24 @@ exports._tr_align = _tr_align; },{"../utils/common":28}],40:[function(require,module,exports){ 'use strict'; +// (C) 1995-2013 Jean-loup Gailly and Mark Adler +// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin +// +// This software is provided 'as-is', without any express or implied +// warranty. In no event will the authors be held liable for any damages +// arising from the use of this software. +// +// Permission is granted to anyone to use this software for any purpose, +// including commercial applications, and to alter it and redistribute it +// freely, subject to the following restrictions: +// +// 1. The origin of this software must not be misrepresented; you must not +// claim that you wrote the original software. If you use this software +// in a product, an acknowledgment in the product documentation would be +// appreciated but is not required. +// 2. Altered source versions must be plainly marked as such, and must not be +// misrepresented as being the original software. +// 3. This notice may not be removed or altered from any source distribution. function ZStream() { /* next input byte */ @@ -9506,4 +9717,4 @@ function ZStream() { module.exports = ZStream; },{}]},{},[10])(10) -}); \ No newline at end of file +}); diff --git a/dist/jszip.min.js b/dist/jszip.min.js index de61e9be..ea209636 100644 --- a/dist/jszip.min.js +++ b/dist/jszip.min.js @@ -9,6 +9,6 @@ Dual licenced under the MIT license or GPLv3. See https://raw.github.com/Stuk/js JSZip uses the library pako released under the MIT license : https://github.com/nodeca/pako/blob/master/LICENSE */ -!function(a){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=a();else if("function"==typeof define&&define.amd)define([],a);else{var b;b="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,b.JSZip=a()}}(function(){return function a(b,c,d){function e(g,h){if(!c[g]){if(!b[g]){var i="function"==typeof require&&require;if(!h&&i)return i(g,!0);if(f)return f(g,!0);var j=new Error("Cannot find module '"+g+"'");throw j.code="MODULE_NOT_FOUND",j}var k=c[g]={exports:{}};b[g][0].call(k.exports,function(a){var c=b[g][1][a];return e(c?c:a)},k,k.exports,a,b,c,d)}return c[g].exports}for(var f="function"==typeof require&&require,g=0;g=0;--f)if(this.data[f]===b&&this.data[f+1]===c&&this.data[f+2]===d&&this.data[f+3]===e)return 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m=$+(h.w_bits-8<<4)<<8,n=-1;n=h.strategy>=V||h.level<2?0:h.level<6?1:6===h.level?2:3,m|=n<<6,0!==h.strstart&&(m|=ma),m+=31-m%31,h.status=sa,j(h,m),0!==h.strstart&&(j(h,a.adler>>>16),j(h,65535&a.adler)),a.adler=1}if(h.status===oa)if(h.gzhead.extra){for(k=h.pending;h.gzindex<(65535&h.gzhead.extra.length)&&(h.pending!==h.pending_buf_size||(h.gzhead.hcrc&&h.pending>k&&(a.adler=H(a.adler,h.pending_buf,h.pending-k,k)),g(a),k=h.pending,h.pending!==h.pending_buf_size));)i(h,255&h.gzhead.extra[h.gzindex]),h.gzindex++;h.gzhead.hcrc&&h.pending>k&&(a.adler=H(a.adler,h.pending_buf,h.pending-k,k)),h.gzindex===h.gzhead.extra.length&&(h.gzindex=0,h.status=pa)}else h.status=pa;if(h.status===pa)if(h.gzhead.name){k=h.pending;do{if(h.pending===h.pending_buf_size&&(h.gzhead.hcrc&&h.pending>k&&(a.adler=H(a.adler,h.pending_buf,h.pending-k,k)),g(a),k=h.pending,h.pending===h.pending_buf_size)){l=1;break}l=h.gzindexk&&(a.adler=H(a.adler,h.pending_buf,h.pending-k,k)),0===l&&(h.gzindex=0,h.status=qa)}else h.status=qa;if(h.status===qa)if(h.gzhead.comment){k=h.pending;do{if(h.pending===h.pending_buf_size&&(h.gzhead.hcrc&&h.pending>k&&(a.adler=H(a.adler,h.pending_buf,h.pending-k,k)),g(a),k=h.pending,h.pending===h.pending_buf_size)){l=1;break}l=h.gzindexk&&(a.adler=H(a.adler,h.pending_buf,h.pending-k,k)),0===l&&(h.status=ra)}else h.status=ra;if(h.status===ra&&(h.gzhead.hcrc?(h.pending+2>h.pending_buf_size&&g(a),h.pending+2<=h.pending_buf_size&&(i(h,255&a.adler),i(h,a.adler>>8&255),a.adler=0,h.status=sa)):h.status=sa),0!==h.pending){if(g(a),0===a.avail_out)return h.last_flush=-1,O}else if(0===a.avail_in&&e(b)<=e(c)&&b!==M)return d(a,S);if(h.status===ta&&0!==a.avail_in)return d(a,S);if(0!==a.avail_in||0!==h.lookahead||b!==J&&h.status!==ta){var o=h.strategy===V?r(h,b):h.strategy===W?q(h,b):D[h.level].func(h,b);if(o!==wa&&o!==xa||(h.status=ta),o===ua||o===wa)return 0===a.avail_out&&(h.last_flush=-1),O;if(o===va&&(b===K?F._tr_align(h):b!==N&&(F._tr_stored_block(h,0,0,!1),b===L&&(f(h.head),0===h.lookahead&&(h.strstart=0,h.block_start=0,h.insert=0))),g(a),0===a.avail_out))return h.last_flush=-1,O}return b!==M?O:h.wrap<=0?P:(2===h.wrap?(i(h,255&a.adler),i(h,a.adler>>8&255),i(h,a.adler>>16&255),i(h,a.adler>>24&255),i(h,255&a.total_in),i(h,a.total_in>>8&255),i(h,a.total_in>>16&255),i(h,a.total_in>>24&255)):(j(h,a.adler>>>16),j(h,65535&a.adler)),g(a),h.wrap>0&&(h.wrap=-h.wrap),0!==h.pending?O:P)}function B(a){var b;return a&&a.state?(b=a.state.status,b!==na&&b!==oa&&b!==pa&&b!==qa&&b!==ra&&b!==sa&&b!==ta?d(a,Q):(a.state=null,b===sa?d(a,R):O)):Q}function C(a,b){var c,d,e,g,h,i,j,k,l=b.length;if(!a||!a.state)return Q;if(c=a.state,g=c.wrap,2===g||1===g&&c.status!==na||c.lookahead)return Q;for(1===g&&(a.adler=G(a.adler,b,l,0)),c.wrap=0,l>=c.w_size&&(0===g&&(f(c.head),c.strstart=0,c.block_start=0,c.insert=0),k=new E.Buf8(c.w_size),E.arraySet(k,b,l-c.w_size,c.w_size,0),b=k,l=c.w_size),h=a.avail_in,i=a.next_in,j=a.input,a.avail_in=l,a.next_in=0,a.input=b,m(c);c.lookahead>=ja;){d=c.strstart,e=c.lookahead-(ja-1);do c.ins_h=(c.ins_h<>>24,p>>>=w,q-=w,w=v>>>16&255,0===w)C[h++]=65535&v;else{if(!(16&w)){if(0===(64&w)){v=r[(65535&v)+(p&(1<>>=w,q-=w),q<15&&(p+=B[f++]<>>24,p>>>=w,q-=w,w=v>>>16&255,!(16&w)){if(0===(64&w)){v=s[(65535&v)+(p&(1<k){a.msg="invalid distance too far back",c.mode=d;break a}if(p>>>=w,q-=w,w=h-i,y>w){if(w=y-w,w>m&&c.sane){a.msg="invalid distance too far back",c.mode=d;break a}if(z=0,A=o,0===n){if(z+=l-w,w2;)C[h++]=A[z++],C[h++]=A[z++],C[h++]=A[z++],x-=3;x&&(C[h++]=A[z++],x>1&&(C[h++]=A[z++]))}else{z=h-y;do C[h++]=C[z++],C[h++]=C[z++],C[h++]=C[z++],x-=3;while(x>2);x&&(C[h++]=C[z++],x>1&&(C[h++]=C[z++]))}break}}break}}while(f>3,f-=x,q-=x<<3,p&=(1<>>24&255)+(a>>>8&65280)+((65280&a)<<8)+((255&a)<<24)}function e(){this.mode=0,this.last=!1,this.wrap=0,this.havedict=!1,this.flags=0,this.dmax=0,this.check=0,this.total=0,this.head=null,this.wbits=0,this.wsize=0,this.whave=0,this.wnext=0,this.window=null,this.hold=0,this.bits=0,this.length=0,this.offset=0,this.extra=0,this.lencode=null,this.distcode=null,this.lenbits=0,this.distbits=0,this.ncode=0,this.nlen=0,this.ndist=0,this.have=0,this.next=null,this.lens=new s.Buf16(320),this.work=new s.Buf16(288),this.lendyn=null,this.distdyn=null,this.sane=0,this.back=0,this.was=0}function f(a){var b;return a&&a.state?(b=a.state,a.total_in=a.total_out=b.total=0,a.msg="",b.wrap&&(a.adler=1&b.wrap),b.mode=L,b.last=0,b.havedict=0,b.dmax=32768,b.head=null,b.hold=0,b.bits=0,b.lencode=b.lendyn=new s.Buf32(pa),b.distcode=b.distdyn=new s.Buf32(qa),b.sane=1,b.back=-1,D):G}function g(a){var b;return a&&a.state?(b=a.state,b.wsize=0,b.whave=0,b.wnext=0,f(a)):G}function h(a,b){var c,d;return a&&a.state?(d=a.state,b<0?(c=0,b=-b):(c=(b>>4)+1,b<48&&(b&=15)),b&&(b<8||b>15)?G:(null!==d.window&&d.wbits!==b&&(d.window=null),d.wrap=c,d.wbits=b,g(a))):G}function i(a,b){var c,d;return a?(d=new e,a.state=d,d.window=null,c=h(a,b),c!==D&&(a.state=null),c):G}function j(a){return i(a,sa)}function k(a){if(ta){var b;for(q=new s.Buf32(512),r=new s.Buf32(32),b=0;b<144;)a.lens[b++]=8;for(;b<256;)a.lens[b++]=9;for(;b<280;)a.lens[b++]=7;for(;b<288;)a.lens[b++]=8;for(w(y,a.lens,0,288,q,0,a.work,{bits:9}),b=0;b<32;)a.lens[b++]=5;w(z,a.lens,0,32,r,0,a.work,{bits:5}),ta=!1}a.lencode=q,a.lenbits=9,a.distcode=r,a.distbits=5}function l(a,b,c,d){var e,f=a.state;return null===f.window&&(f.wsize=1<=f.wsize?(s.arraySet(f.window,b,c-f.wsize,f.wsize,0),f.wnext=0,f.whave=f.wsize):(e=f.wsize-f.wnext,e>d&&(e=d),s.arraySet(f.window,b,c-d,e,f.wnext),d-=e,d?(s.arraySet(f.window,b,c-d,d,0),f.wnext=d,f.whave=f.wsize):(f.wnext+=e,f.wnext===f.wsize&&(f.wnext=0),f.whave>>8&255,c.check=u(c.check,Ba,2,0),m=0,n=0,c.mode=M;break}if(c.flags=0,c.head&&(c.head.done=!1),!(1&c.wrap)||(((255&m)<<8)+(m>>8))%31){a.msg="incorrect header check",c.mode=ma;break}if((15&m)!==K){a.msg="unknown compression method",c.mode=ma;break}if(m>>>=4,n-=4,wa=(15&m)+8,0===c.wbits)c.wbits=wa;else if(wa>c.wbits){a.msg="invalid window size",c.mode=ma;break}c.dmax=1<>8&1),512&c.flags&&(Ba[0]=255&m,Ba[1]=m>>>8&255,c.check=u(c.check,Ba,2,0)),m=0,n=0,c.mode=N;case N:for(;n<32;){if(0===i)break a;i--,m+=e[g++]<>>8&255,Ba[2]=m>>>16&255,Ba[3]=m>>>24&255,c.check=u(c.check,Ba,4,0)),m=0,n=0,c.mode=O;case O:for(;n<16;){if(0===i)break a;i--,m+=e[g++]<>8),512&c.flags&&(Ba[0]=255&m,Ba[1]=m>>>8&255,c.check=u(c.check,Ba,2,0)),m=0,n=0,c.mode=P;case P:if(1024&c.flags){for(;n<16;){if(0===i)break a;i--,m+=e[g++]<>>8&255,c.check=u(c.check,Ba,2,0)),m=0,n=0}else c.head&&(c.head.extra=null);c.mode=Q;case Q:if(1024&c.flags&&(q=c.length,q>i&&(q=i),q&&(c.head&&(wa=c.head.extra_len-c.length,c.head.extra||(c.head.extra=new Array(c.head.extra_len)),s.arraySet(c.head.extra,e,g,q,wa)),512&c.flags&&(c.check=u(c.check,e,q,g)),i-=q,g+=q,c.length-=q),c.length))break a;c.length=0,c.mode=R;case R:if(2048&c.flags){if(0===i)break a;q=0;do wa=e[g+q++],c.head&&wa&&c.length<65536&&(c.head.name+=String.fromCharCode(wa));while(wa&&q>9&1,c.head.done=!0),a.adler=c.check=0,c.mode=W;break;case U:for(;n<32;){if(0===i)break a;i--,m+=e[g++]<>>=7&n,n-=7&n,c.mode=ja;break}for(;n<3;){if(0===i)break a;i--,m+=e[g++]<>>=1,n-=1,3&m){case 0:c.mode=Y;break;case 1:if(k(c),c.mode=ca,b===C){m>>>=2,n-=2;break a}break;case 2:c.mode=_;break;case 3:a.msg="invalid block type",c.mode=ma}m>>>=2,n-=2;break;case Y:for(m>>>=7&n,n-=7&n;n<32;){if(0===i)break a;i--,m+=e[g++]<>>16^65535)){a.msg="invalid stored block lengths",c.mode=ma;break}if(c.length=65535&m,m=0,n=0,c.mode=Z,b===C)break a;case Z:c.mode=$;case $:if(q=c.length){if(q>i&&(q=i),q>j&&(q=j),0===q)break a;s.arraySet(f,e,g,q,h),i-=q,g+=q,j-=q,h+=q,c.length-=q;break}c.mode=W;break;case _:for(;n<14;){if(0===i)break a;i--,m+=e[g++]<>>=5,n-=5,c.ndist=(31&m)+1,m>>>=5,n-=5,c.ncode=(15&m)+4,m>>>=4,n-=4,c.nlen>286||c.ndist>30){a.msg="too many length or distance symbols",c.mode=ma;break}c.have=0,c.mode=aa;case aa:for(;c.have>>=3,n-=3}for(;c.have<19;)c.lens[Ca[c.have++]]=0;if(c.lencode=c.lendyn,c.lenbits=7,ya={bits:c.lenbits},xa=w(x,c.lens,0,19,c.lencode,0,c.work,ya),c.lenbits=ya.bits,xa){a.msg="invalid code lengths set",c.mode=ma;break}c.have=0,c.mode=ba;case ba:for(;c.have>>24,ra=Aa>>>16&255,sa=65535&Aa,!(qa<=n);){if(0===i)break a;i--,m+=e[g++]<>>=qa,n-=qa,c.lens[c.have++]=sa;else{if(16===sa){for(za=qa+2;n>>=qa,n-=qa,0===c.have){a.msg="invalid bit length repeat",c.mode=ma;break}wa=c.lens[c.have-1],q=3+(3&m),m>>>=2,n-=2}else if(17===sa){for(za=qa+3;n>>=qa,n-=qa,wa=0,q=3+(7&m),m>>>=3,n-=3}else{for(za=qa+7;n>>=qa,n-=qa,wa=0,q=11+(127&m),m>>>=7,n-=7}if(c.have+q>c.nlen+c.ndist){a.msg="invalid bit length repeat",c.mode=ma;break}for(;q--;)c.lens[c.have++]=wa}}if(c.mode===ma)break;if(0===c.lens[256]){a.msg="invalid code -- missing end-of-block",c.mode=ma;break}if(c.lenbits=9,ya={bits:c.lenbits},xa=w(y,c.lens,0,c.nlen,c.lencode,0,c.work,ya),c.lenbits=ya.bits,xa){a.msg="invalid literal/lengths set",c.mode=ma;break}if(c.distbits=6,c.distcode=c.distdyn,ya={bits:c.distbits},xa=w(z,c.lens,c.nlen,c.ndist,c.distcode,0,c.work,ya),c.distbits=ya.bits,xa){a.msg="invalid distances set",c.mode=ma;break}if(c.mode=ca,b===C)break a;case ca:c.mode=da;case da:if(i>=6&&j>=258){a.next_out=h,a.avail_out=j,a.next_in=g,a.avail_in=i,c.hold=m,c.bits=n,v(a,p),h=a.next_out,f=a.output,j=a.avail_out,g=a.next_in,e=a.input,i=a.avail_in,m=c.hold,n=c.bits,c.mode===W&&(c.back=-1);break}for(c.back=0;Aa=c.lencode[m&(1<>>24,ra=Aa>>>16&255,sa=65535&Aa,!(qa<=n);){if(0===i)break a;i--,m+=e[g++]<>ta)],qa=Aa>>>24,ra=Aa>>>16&255,sa=65535&Aa,!(ta+qa<=n);){if(0===i)break a;i--,m+=e[g++]<>>=ta,n-=ta,c.back+=ta}if(m>>>=qa,n-=qa,c.back+=qa,c.length=sa,0===ra){c.mode=ia;break}if(32&ra){c.back=-1,c.mode=W;break}if(64&ra){a.msg="invalid literal/length code",c.mode=ma;break}c.extra=15&ra,c.mode=ea;case ea:if(c.extra){for(za=c.extra;n>>=c.extra,n-=c.extra,c.back+=c.extra}c.was=c.length,c.mode=fa;case fa:for(;Aa=c.distcode[m&(1<>>24,ra=Aa>>>16&255,sa=65535&Aa,!(qa<=n);){if(0===i)break a;i--,m+=e[g++]<>ta)],qa=Aa>>>24,ra=Aa>>>16&255,sa=65535&Aa,!(ta+qa<=n);){if(0===i)break a;i--,m+=e[g++]<>>=ta,n-=ta,c.back+=ta}if(m>>>=qa,n-=qa,c.back+=qa,64&ra){a.msg="invalid distance code",c.mode=ma;break}c.offset=sa,c.extra=15&ra,c.mode=ga;case ga:if(c.extra){for(za=c.extra;n>>=c.extra,n-=c.extra,c.back+=c.extra}if(c.offset>c.dmax){a.msg="invalid distance too far back",c.mode=ma;break}c.mode=ha;case ha:if(0===j)break a;if(q=p-j,c.offset>q){if(q=c.offset-q,q>c.whave&&c.sane){a.msg="invalid distance too far back",c.mode=ma;break}q>c.wnext?(q-=c.wnext,r=c.wsize-q):r=c.wnext-q,q>c.length&&(q=c.length),pa=c.window}else pa=f,r=h-c.offset,q=c.length;q>j&&(q=j),j-=q,c.length-=q;do f[h++]=pa[r++];while(--q);0===c.length&&(c.mode=da);break;case ia:if(0===j)break a;f[h++]=c.length,j--,c.mode=da;break;case ja:if(c.wrap){for(;n<32;){if(0===i)break a;i--,m|=e[g++]<=1&&0===P[G];G--);if(H>G&&(H=G),0===G)return p[q++]=20971520,p[q++]=20971520,s.bits=1,0;for(F=1;F0&&(a===h||1!==G))return-1;for(Q[1]=0,D=1;Df||a===j&&L>g)return 1;for(var 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Is the file jszip-load.js included ?")},filter:function(a){var b,c,d,f,g=[];for(b in this.files)d=this.files[b],f=new s(d.name,d._data,e.extend(d.options)),c=b.slice(this.root.length,b.length),b.slice(0,this.root.length)===this.root&&a(c,f)&&g.push(f);return g},file:function(a,b,c){if(1===arguments.length){if(e.isRegExp(a)){var d=a;return this.filter(function(a,b){return!b.dir&&d.test(a)})}return this.filter(function(b,c){return!c.dir&&b===a})[0]||null}return a=this.root+a,v.call(this,a,b,c),this},folder:function(a){if(!a)return this;if(e.isRegExp(a))return this.filter(function(b,c){return c.dir&&a.test(b)});var b=this.root+a,c=y.call(this,b),d=this.clone();return d.root=c.name,d},remove:function(a){a=this.root+a;var b=this.files[a];if(b||("/"!=a.slice(-1)&&(a+="/"),b=this.files[a]),b&&!b.dir)delete this.files[a];else for(var c=this.filter(function(b,c){return c.name.slice(0,a.length)===a}),d=0;d=252?6:h>=248?5:h>=240?4:h>=224?3:h>=192?2:1;g[254]=g[254]=1;var i=function(a){var b,c,d,f,g,h=a.length,i=0;for(f=0;f>>6,b[g++]=128|63&c):c<65536?(b[g++]=224|c>>>12,b[g++]=128|c>>>6&63,b[g++]=128|63&c):(b[g++]=240|c>>>18,b[g++]=128|c>>>12&63,b[g++]=128|c>>>6&63,b[g++]=128|63&c);return b},j=function(a,b){var c;for(b=b||a.length,b>a.length&&(b=a.length),c=b-1;c>=0&&128==(192&a[c]);)c--;return c<0?b:0===c?b:c+g[a[c]]>b?c:b},k=function(a){var b,c,e,f,h=a.length,i=new Array(2*h);for(c=0,b=0;b4)i[c++]=65533,b+=f-1;else{for(e&=2===f?31:3===f?15:7;f>1&&b1?i[c++]=65533:e<65536?i[c++]=e:(e-=65536,i[c++]=55296|e>>10&1023,i[c++]=56320|1023&e)}return i.length!==c&&(i.subarray?i=i.subarray(0,c):i.length=c),d.applyFromCharCode(i)};c.utf8encode=function(a){return e.nodebuffer?f(a,"utf-8"):i(a)},c.utf8decode=function(a){if(e.nodebuffer)return d.transformTo("nodebuffer",a).toString("utf-8");a=d.transformTo(e.uint8array?"uint8array":"array",a);for(var b=[],c=0,f=a.length,g=65536;c1;)try{"array"===f||"nodebuffer"===f?d.push(String.fromCharCode.apply(null,a.slice(g,Math.min(g+b,e)))):d.push(String.fromCharCode.apply(null,a.subarray(g,Math.min(g+b,e)))),g+=b}catch(l){b=Math.floor(b/2)}return d.join("")}function g(a,b){for(var c=0;c1)throw new Error("Multi-volumes zip are not supported")},readLocalFiles:function(){var a,b;for(a=0;a0)this.isSignature(b,j.CENTRAL_FILE_HEADER)||(this.reader.zero=d);else if(d<0)throw new Error("Corrupted zip: missing "+Math.abs(d)+" bytes.")},prepareReader:function(a){var b=i.getTypeOf(a);if(i.checkSupport(b),"string"!==b||l.uint8array)if("nodebuffer"===b)this.reader=new f(a);else if(l.uint8array)this.reader=new g(i.transformTo("uint8array",a));else{if(!l.array)throw new Error("Unexpected error: unsupported type '"+b+"'");this.reader=new h(i.transformTo("array",a))}else this.reader=new e(a,this.loadOptions.optimizedBinaryString)},load:function(a){this.prepareReader(a),this.readEndOfCentral(),this.readCentralDir(),this.readLocalFiles()}},b.exports=d},{"./arrayReader":1,"./nodeBufferReader":13,"./object":14,"./signature":15,"./stringReader":16,"./support":18,"./uint8ArrayReader":19,"./utils":22,"./zipEntry":24}],24:[function(a,b,c){"use strict";function d(a,b){this.options=a,this.loadOptions=b}var e=a("./stringReader"),f=a("./utils"),g=a("./compressedObject"),h=a("./object"),i=a("./support");d.prototype={isEncrypted:function(){return 1==(1&this.bitFlag)},useUTF8:function(){return 2048==(2048&this.bitFlag)},prepareCompressedContent:function(a,b,c){return function(){var d=a.index;a.setIndex(b);var e=a.readData(c);return a.setIndex(d),e}},prepareContent:function(a,b,c,d,e){return function(){var a=f.transformTo(d.uncompressInputType,this.getCompressedContent()),b=d.uncompress(a);if(b.length!==e)throw new Error("Bug : uncompressed data size mismatch");return b}},readLocalPart:function(a){var b,c;if(a.skip(22),this.fileNameLength=a.readInt(2),c=a.readInt(2),this.fileName=a.readData(this.fileNameLength),a.skip(c),-1==this.compressedSize||-1==this.uncompressedSize)throw new Error("Bug or corrupted zip : didn't get enough informations from the central directory (compressedSize == -1 || uncompressedSize == -1)");if(null===(b=f.findCompression(this.compressionMethod)))throw new Error("Corrupted zip : compression "+f.pretty(this.compressionMethod)+" unknown (inner file : "+f.transformTo("string",this.fileName)+")");if(this.decompressed=new g,this.decompressed.compressedSize=this.compressedSize,this.decompressed.uncompressedSize=this.uncompressedSize,this.decompressed.crc32=this.crc32,this.decompressed.compressionMethod=this.compressionMethod,this.decompressed.getCompressedContent=this.prepareCompressedContent(a,a.index,this.compressedSize,b),this.decompressed.getContent=this.prepareContent(a,a.index,this.compressedSize,b,this.uncompressedSize),this.loadOptions.checkCRC32&&(this.decompressed=f.transformTo("string",this.decompressed.getContent()),h.crc32(this.decompressed)!==this.crc32))throw new Error("Corrupted zip : CRC32 mismatch")},readCentralPart:function(a){if(this.versionMadeBy=a.readInt(2),this.versionNeeded=a.readInt(2), +this.bitFlag=a.readInt(2),this.compressionMethod=a.readString(2),this.date=a.readDate(),this.crc32=a.readInt(4),this.compressedSize=a.readInt(4),this.uncompressedSize=a.readInt(4),this.fileNameLength=a.readInt(2),this.extraFieldsLength=a.readInt(2),this.fileCommentLength=a.readInt(2),this.diskNumberStart=a.readInt(2),this.internalFileAttributes=a.readInt(2),this.externalFileAttributes=a.readInt(4),this.localHeaderOffset=a.readInt(4),this.isEncrypted())throw new Error("Encrypted zip are not supported");this.fileName=a.readData(this.fileNameLength),this.readExtraFields(a),this.parseZIP64ExtraField(a),this.fileComment=a.readData(this.fileCommentLength)},processAttributes:function(){this.unixPermissions=null,this.dosPermissions=null;var a=this.versionMadeBy>>8;this.dir=!!(16&this.externalFileAttributes),0===a&&(this.dosPermissions=63&this.externalFileAttributes),3===a&&(this.unixPermissions=this.externalFileAttributes>>16&65535),this.dir||"/"!==this.fileNameStr.slice(-1)||(this.dir=!0)},parseZIP64ExtraField:function(a){if(this.extraFields[1]){var b=new e(this.extraFields[1].value);this.uncompressedSize===f.MAX_VALUE_32BITS&&(this.uncompressedSize=b.readInt(8)),this.compressedSize===f.MAX_VALUE_32BITS&&(this.compressedSize=b.readInt(8)),this.localHeaderOffset===f.MAX_VALUE_32BITS&&(this.localHeaderOffset=b.readInt(8)),this.diskNumberStart===f.MAX_VALUE_32BITS&&(this.diskNumberStart=b.readInt(4))}},readExtraFields:function(a){var b,c,d,e=a.index;for(this.extraFields=this.extraFields||{};a.index0?b.windowBits=-b.windowBits:b.gzip&&b.windowBits>0&&b.windowBits<16&&(b.windowBits+=16),this.err=0,this.msg="",this.ended=!1,this.chunks=[],this.strm=new l,this.strm.avail_out=0;var c=h.deflateInit2(this.strm,b.level,b.method,b.windowBits,b.memLevel,b.strategy);if(c!==o)throw new Error(k[c]);if(b.header&&h.deflateSetHeader(this.strm,b.header),b.dictionary){var e;if(e="string"==typeof b.dictionary?j.string2buf(b.dictionary):"[object ArrayBuffer]"===m.call(b.dictionary)?new Uint8Array(b.dictionary):b.dictionary,(c=h.deflateSetDictionary(this.strm,e))!==o)throw new Error(k[c]);this._dict_set=!0}}function e(a,b){var c=new d(b);if(c.push(a,!0),c.err)throw c.msg||k[c.err];return c.result}function f(a,b){return b=b||{},b.raw=!0,e(a,b)}function g(a,b){return b=b||{},b.gzip=!0,e(a,b)}var h=a("./zlib/deflate"),i=a("./utils/common"),j=a("./utils/strings"),k=a("./zlib/messages"),l=a("./zlib/zstream"),m=Object.prototype.toString,n=4,o=0,p=1,q=2,r=-1,s=0,t=8;d.prototype.push=function(a,b){var c,d,e=this.strm,f=this.options.chunkSize;if(this.ended)return!1;d=b===~~b?b:!0===b?n:0,"string"==typeof a?e.input=j.string2buf(a):"[object ArrayBuffer]"===m.call(a)?e.input=new Uint8Array(a):e.input=a,e.next_in=0,e.avail_in=e.input.length;do{if(0===e.avail_out&&(e.output=new i.Buf8(f),e.next_out=0,e.avail_out=f),(c=h.deflate(e,d))!==p&&c!==o)return this.onEnd(c),this.ended=!0,!1;0!==e.avail_out&&(0!==e.avail_in||d!==n&&d!==q)||("string"===this.options.to?this.onData(j.buf2binstring(i.shrinkBuf(e.output,e.next_out))):this.onData(i.shrinkBuf(e.output,e.next_out)))}while((e.avail_in>0||0===e.avail_out)&&c!==p);return d===n?(c=h.deflateEnd(this.strm),this.onEnd(c),this.ended=!0,c===o):d!==q||(this.onEnd(o),e.avail_out=0,!0)},d.prototype.onData=function(a){this.chunks.push(a)},d.prototype.onEnd=function(a){a===o&&("string"===this.options.to?this.result=this.chunks.join(""):this.result=i.flattenChunks(this.chunks)),this.chunks=[],this.err=a,this.msg=this.strm.msg},c.Deflate=d,c.deflate=e,c.deflateRaw=f,c.gzip=g},{"./utils/common":28,"./utils/strings":29,"./zlib/deflate":33,"./zlib/messages":38,"./zlib/zstream":40}],27:[function(a,b,c){"use strict";function d(a){if(!(this instanceof d))return new d(a);this.options=h.assign({chunkSize:16384,windowBits:0,to:""},a||{});var b=this.options;b.raw&&b.windowBits>=0&&b.windowBits<16&&(b.windowBits=-b.windowBits,0===b.windowBits&&(b.windowBits=-15)),!(b.windowBits>=0&&b.windowBits<16)||a&&a.windowBits||(b.windowBits+=32),b.windowBits>15&&b.windowBits<48&&0==(15&b.windowBits)&&(b.windowBits|=15),this.err=0,this.msg="",this.ended=!1,this.chunks=[],this.strm=new l,this.strm.avail_out=0;var c=g.inflateInit2(this.strm,b.windowBits);if(c!==j.Z_OK)throw new Error(k[c]);if(this.header=new m,g.inflateGetHeader(this.strm,this.header),b.dictionary&&("string"==typeof b.dictionary?b.dictionary=i.string2buf(b.dictionary):"[object ArrayBuffer]"===n.call(b.dictionary)&&(b.dictionary=new Uint8Array(b.dictionary)),b.raw&&(c=g.inflateSetDictionary(this.strm,b.dictionary))!==j.Z_OK))throw new Error(k[c])}function e(a,b){var c=new d(b);if(c.push(a,!0),c.err)throw c.msg||k[c.err];return c.result}function f(a,b){return b=b||{},b.raw=!0,e(a,b)}var g=a("./zlib/inflate"),h=a("./utils/common"),i=a("./utils/strings"),j=a("./zlib/constants"),k=a("./zlib/messages"),l=a("./zlib/zstream"),m=a("./zlib/gzheader"),n=Object.prototype.toString;d.prototype.push=function(a,b){var c,d,e,f,k,l=this.strm,m=this.options.chunkSize,o=this.options.dictionary,p=!1;if(this.ended)return!1;d=b===~~b?b:!0===b?j.Z_FINISH:j.Z_NO_FLUSH,"string"==typeof a?l.input=i.binstring2buf(a):"[object ArrayBuffer]"===n.call(a)?l.input=new Uint8Array(a):l.input=a,l.next_in=0,l.avail_in=l.input.length;do{if(0===l.avail_out&&(l.output=new h.Buf8(m),l.next_out=0,l.avail_out=m),c=g.inflate(l,j.Z_NO_FLUSH),c===j.Z_NEED_DICT&&o&&(c=g.inflateSetDictionary(this.strm,o)),c===j.Z_BUF_ERROR&&!0===p&&(c=j.Z_OK,p=!1),c!==j.Z_STREAM_END&&c!==j.Z_OK)return this.onEnd(c),this.ended=!0,!1;l.next_out&&(0!==l.avail_out&&c!==j.Z_STREAM_END&&(0!==l.avail_in||d!==j.Z_FINISH&&d!==j.Z_SYNC_FLUSH)||("string"===this.options.to?(e=i.utf8border(l.output,l.next_out),f=l.next_out-e,k=i.buf2string(l.output,e),l.next_out=f,l.avail_out=m-f,f&&h.arraySet(l.output,l.output,e,f,0),this.onData(k)):this.onData(h.shrinkBuf(l.output,l.next_out)))),0===l.avail_in&&0===l.avail_out&&(p=!0)}while((l.avail_in>0||0===l.avail_out)&&c!==j.Z_STREAM_END);return c===j.Z_STREAM_END&&(d=j.Z_FINISH),d===j.Z_FINISH?(c=g.inflateEnd(this.strm),this.onEnd(c),this.ended=!0,c===j.Z_OK):d!==j.Z_SYNC_FLUSH||(this.onEnd(j.Z_OK),l.avail_out=0,!0)},d.prototype.onData=function(a){this.chunks.push(a)},d.prototype.onEnd=function(a){a===j.Z_OK&&("string"===this.options.to?this.result=this.chunks.join(""):this.result=h.flattenChunks(this.chunks)),this.chunks=[],this.err=a,this.msg=this.strm.msg},c.Inflate=d,c.inflate=e,c.inflateRaw=f,c.ungzip=e},{"./utils/common":28,"./utils/strings":29,"./zlib/constants":31,"./zlib/gzheader":34,"./zlib/inflate":36,"./zlib/messages":38,"./zlib/zstream":40}],28:[function(a,b,c){"use strict";function d(a,b){return Object.prototype.hasOwnProperty.call(a,b)}var e="undefined"!=typeof Uint8Array&&"undefined"!=typeof Uint16Array&&"undefined"!=typeof Int32Array;c.assign=function(a){for(var b=Array.prototype.slice.call(arguments,1);b.length;){var c=b.shift();if(c){if("object"!=typeof c)throw new TypeError(c+"must be non-object");for(var e in c)d(c,e)&&(a[e]=c[e])}}return a},c.shrinkBuf=function(a,b){return a.length===b?a:a.subarray?a.subarray(0,b):(a.length=b,a)};var f={arraySet:function(a,b,c,d,e){if(b.subarray&&a.subarray)return void a.set(b.subarray(c,c+d),e);for(var f=0;f=252?6:i>=248?5:i>=240?4:i>=224?3:i>=192?2:1;h[254]=h[254]=1,c.string2buf=function(a){var b,c,d,f,g,h=a.length,i=0;for(f=0;f>>6,b[g++]=128|63&c):c<65536?(b[g++]=224|c>>>12,b[g++]=128|c>>>6&63,b[g++]=128|63&c):(b[g++]=240|c>>>18,b[g++]=128|c>>>12&63,b[g++]=128|c>>>6&63,b[g++]=128|63&c);return b},c.buf2binstring=function(a){return d(a,a.length)},c.binstring2buf=function(a){for(var b=new e.Buf8(a.length),c=0,d=b.length;c4)j[e++]=65533,c+=g-1;else{for(f&=2===g?31:3===g?15:7;g>1&&c1?j[e++]=65533:f<65536?j[e++]=f:(f-=65536,j[e++]=55296|f>>10&1023,j[e++]=56320|1023&f)}return d(j,e)},c.utf8border=function(a,b){var c;for(b=b||a.length,b>a.length&&(b=a.length),c=b-1;c>=0&&128==(192&a[c]);)c--;return c<0?b:0===c?b:c+h[a[c]]>b?c:b}},{"./common":28}],30:[function(a,b,c){"use strict";function d(a,b,c,d){for(var e=65535&a|0,f=a>>>16&65535|0,g=0;0!==c;){g=c>2e3?2e3:c,c-=g;do{e=e+b[d++]|0,f=f+e|0}while(--g);e%=65521,f%=65521}return e|f<<16|0}b.exports=d},{}],31:[function(a,b,c){"use strict";b.exports={Z_NO_FLUSH:0,Z_PARTIAL_FLUSH:1,Z_SYNC_FLUSH:2,Z_FULL_FLUSH:3,Z_FINISH:4,Z_BLOCK:5,Z_TREES:6,Z_OK:0,Z_STREAM_END:1,Z_NEED_DICT:2,Z_ERRNO:-1,Z_STREAM_ERROR:-2,Z_DATA_ERROR:-3,Z_BUF_ERROR:-5,Z_NO_COMPRESSION:0,Z_BEST_SPEED:1,Z_BEST_COMPRESSION:9,Z_DEFAULT_COMPRESSION:-1,Z_FILTERED:1,Z_HUFFMAN_ONLY:2,Z_RLE:3,Z_FIXED:4,Z_DEFAULT_STRATEGY:0,Z_BINARY:0,Z_TEXT:1,Z_UNKNOWN:2,Z_DEFLATED:8}},{}],32:[function(a,b,c){"use strict";function d(){for(var a,b=[],c=0;c<256;c++){a=c;for(var d=0;d<8;d++)a=1&a?3988292384^a>>>1:a>>>1;b[c]=a}return b}function e(a,b,c,d){var e=f,g=d+c;a^=-1;for(var h=d;h>>8^e[255&(a^b[h])];return-1^a}var f=d();b.exports=e},{}],33:[function(a,b,c){"use strict";function d(a,b){return a.msg=I[b],b}function e(a){return(a<<1)-(a>4?9:0)}function f(a){for(var b=a.length;--b>=0;)a[b]=0}function g(a){var b=a.state,c=b.pending;c>a.avail_out&&(c=a.avail_out),0!==c&&(E.arraySet(a.output,b.pending_buf,b.pending_out,c,a.next_out),a.next_out+=c,b.pending_out+=c,a.total_out+=c,a.avail_out-=c,b.pending-=c,0===b.pending&&(b.pending_out=0))}function h(a,b){F._tr_flush_block(a,a.block_start>=0?a.block_start:-1,a.strstart-a.block_start,b),a.block_start=a.strstart,g(a.strm)}function i(a,b){a.pending_buf[a.pending++]=b}function j(a,b){a.pending_buf[a.pending++]=b>>>8&255,a.pending_buf[a.pending++]=255&b}function k(a,b,c,d){var e=a.avail_in;return e>d&&(e=d),0===e?0:(a.avail_in-=e,E.arraySet(b,a.input,a.next_in,e,c),1===a.state.wrap?a.adler=G(a.adler,b,e,c):2===a.state.wrap&&(a.adler=H(a.adler,b,e,c)),a.next_in+=e,a.total_in+=e,e)}function l(a,b){var c,d,e=a.max_chain_length,f=a.strstart,g=a.prev_length,h=a.nice_match,i=a.strstart>a.w_size-la?a.strstart-(a.w_size-la):0,j=a.window,k=a.w_mask,l=a.prev,m=a.strstart+ka,n=j[f+g-1],o=j[f+g];a.prev_length>=a.good_match&&(e>>=2),h>a.lookahead&&(h=a.lookahead);do{if(c=b,j[c+g]===o&&j[c+g-1]===n&&j[c]===j[f]&&j[++c]===j[f+1]){f+=2,c++;do{}while(j[++f]===j[++c]&&j[++f]===j[++c]&&j[++f]===j[++c]&&j[++f]===j[++c]&&j[++f]===j[++c]&&j[++f]===j[++c]&&j[++f]===j[++c]&&j[++f]===j[++c]&&fg){if(a.match_start=b,g=d,d>=h)break;n=j[f+g-1],o=j[f+g]}}}while((b=l[b&k])>i&&0!=--e);return g<=a.lookahead?g:a.lookahead}function m(a){var b,c,d,e,f,g=a.w_size;do{if(e=a.window_size-a.lookahead-a.strstart,a.strstart>=g+(g-la)){E.arraySet(a.window,a.window,g,g,0),a.match_start-=g,a.strstart-=g,a.block_start-=g,c=a.hash_size,b=c;do{d=a.head[--b],a.head[b]=d>=g?d-g:0}while(--c);c=g,b=c;do{d=a.prev[--b],a.prev[b]=d>=g?d-g:0}while(--c);e+=g}if(0===a.strm.avail_in)break;if(c=k(a.strm,a.window,a.strstart+a.lookahead,e),a.lookahead+=c,a.lookahead+a.insert>=ja)for(f=a.strstart-a.insert,a.ins_h=a.window[f],a.ins_h=(a.ins_h<a.pending_buf_size-5&&(c=a.pending_buf_size-5);;){if(a.lookahead<=1){if(m(a),0===a.lookahead&&b===J)return ua;if(0===a.lookahead)break}a.strstart+=a.lookahead,a.lookahead=0;var d=a.block_start+c;if((0===a.strstart||a.strstart>=d)&&(a.lookahead=a.strstart-d,a.strstart=d,h(a,!1),0===a.strm.avail_out))return ua;if(a.strstart-a.block_start>=a.w_size-la&&(h(a,!1),0===a.strm.avail_out))return ua}return a.insert=0,b===M?(h(a,!0),0===a.strm.avail_out?wa:xa):(a.strstart>a.block_start&&(h(a,!1),a.strm.avail_out),ua)}function o(a,b){for(var c,d;;){if(a.lookahead=ja&&(a.ins_h=(a.ins_h<=ja)if(d=F._tr_tally(a,a.strstart-a.match_start,a.match_length-ja),a.lookahead-=a.match_length,a.match_length<=a.max_lazy_match&&a.lookahead>=ja){a.match_length--;do{a.strstart++,a.ins_h=(a.ins_h<=ja&&(a.ins_h=(a.ins_h<4096)&&(a.match_length=ja-1)),a.prev_length>=ja&&a.match_length<=a.prev_length){e=a.strstart+a.lookahead-ja,d=F._tr_tally(a,a.strstart-1-a.prev_match,a.prev_length-ja),a.lookahead-=a.prev_length-1,a.prev_length-=2;do{++a.strstart<=e&&(a.ins_h=(a.ins_h<=ja&&a.strstart>0&&(e=a.strstart-1,(d=g[e])===g[++e]&&d===g[++e]&&d===g[++e])){f=a.strstart+ka;do{}while(d===g[++e]&&d===g[++e]&&d===g[++e]&&d===g[++e]&&d===g[++e]&&d===g[++e]&&d===g[++e]&&d===g[++e]&&ea.lookahead&&(a.match_length=a.lookahead)}if(a.match_length>=ja?(c=F._tr_tally(a,1,a.match_length-ja),a.lookahead-=a.match_length,a.strstart+=a.match_length,a.match_length=0):(c=F._tr_tally(a,0,a.window[a.strstart]),a.lookahead--,a.strstart++),c&&(h(a,!1),0===a.strm.avail_out))return ua}return a.insert=0,b===M?(h(a,!0),0===a.strm.avail_out?wa:xa):a.last_lit&&(h(a,!1),0===a.strm.avail_out)?ua:va}function r(a,b){for(var c;;){if(0===a.lookahead&&(m(a),0===a.lookahead)){if(b===J)return ua;break}if(a.match_length=0,c=F._tr_tally(a,0,a.window[a.strstart]),a.lookahead--,a.strstart++,c&&(h(a,!1),0===a.strm.avail_out))return ua}return a.insert=0,b===M?(h(a,!0),0===a.strm.avail_out?wa:xa):a.last_lit&&(h(a,!1),0===a.strm.avail_out)?ua:va}function s(a,b,c,d,e){this.good_length=a,this.max_lazy=b,this.nice_length=c,this.max_chain=d,this.func=e}function t(a){a.window_size=2*a.w_size,f(a.head),a.max_lazy_match=D[a.level].max_lazy,a.good_match=D[a.level].good_length,a.nice_match=D[a.level].nice_length,a.max_chain_length=D[a.level].max_chain,a.strstart=0,a.block_start=0,a.lookahead=0,a.insert=0,a.match_length=a.prev_length=ja-1,a.match_available=0,a.ins_h=0}function u(){this.strm=null,this.status=0,this.pending_buf=null,this.pending_buf_size=0,this.pending_out=0,this.pending=0,this.wrap=0,this.gzhead=null,this.gzindex=0,this.method=$,this.last_flush=-1,this.w_size=0,this.w_bits=0,this.w_mask=0,this.window=null,this.window_size=0,this.prev=null,this.head=null,this.ins_h=0,this.hash_size=0,this.hash_bits=0,this.hash_mask=0,this.hash_shift=0,this.block_start=0,this.match_length=0,this.prev_match=0,this.match_available=0,this.strstart=0,this.match_start=0,this.lookahead=0,this.prev_length=0,this.max_chain_length=0,this.max_lazy_match=0,this.level=0,this.strategy=0,this.good_match=0,this.nice_match=0,this.dyn_ltree=new E.Buf16(2*ha),this.dyn_dtree=new E.Buf16(2*(2*fa+1)),this.bl_tree=new E.Buf16(2*(2*ga+1)),f(this.dyn_ltree),f(this.dyn_dtree),f(this.bl_tree),this.l_desc=null,this.d_desc=null,this.bl_desc=null,this.bl_count=new E.Buf16(ia+1),this.heap=new E.Buf16(2*ea+1),f(this.heap),this.heap_len=0,this.heap_max=0,this.depth=new E.Buf16(2*ea+1),f(this.depth),this.l_buf=0,this.lit_bufsize=0,this.last_lit=0,this.d_buf=0,this.opt_len=0,this.static_len=0,this.matches=0,this.insert=0,this.bi_buf=0,this.bi_valid=0}function v(a){var b;return a&&a.state?(a.total_in=a.total_out=0,a.data_type=Z,b=a.state,b.pending=0,b.pending_out=0,b.wrap<0&&(b.wrap=-b.wrap),b.status=b.wrap?na:sa,a.adler=2===b.wrap?0:1,b.last_flush=J,F._tr_init(b),O):d(a,Q)}function w(a){var b=v(a);return b===O&&t(a.state),b}function x(a,b){return a&&a.state?2!==a.state.wrap?Q:(a.state.gzhead=b,O):Q}function y(a,b,c,e,f,g){if(!a)return Q;var h=1;if(b===T&&(b=6),e<0?(h=0,e=-e):e>15&&(h=2,e-=16),f<1||f>_||c!==$||e<8||e>15||b<0||b>9||g<0||g>X)return d(a,Q);8===e&&(e=9);var i=new u;return a.state=i,i.strm=a,i.wrap=h,i.gzhead=null,i.w_bits=e,i.w_size=1<N||b<0)return a?d(a,Q):Q;if(h=a.state,!a.output||!a.input&&0!==a.avail_in||h.status===ta&&b!==M)return d(a,0===a.avail_out?S:Q);if(h.strm=a,c=h.last_flush,h.last_flush=b,h.status===na)if(2===h.wrap)a.adler=0,i(h,31),i(h,139),i(h,8),h.gzhead?(i(h,(h.gzhead.text?1:0)+(h.gzhead.hcrc?2:0)+(h.gzhead.extra?4:0)+(h.gzhead.name?8:0)+(h.gzhead.comment?16:0)),i(h,255&h.gzhead.time),i(h,h.gzhead.time>>8&255),i(h,h.gzhead.time>>16&255),i(h,h.gzhead.time>>24&255),i(h,9===h.level?2:h.strategy>=V||h.level<2?4:0),i(h,255&h.gzhead.os),h.gzhead.extra&&h.gzhead.extra.length&&(i(h,255&h.gzhead.extra.length),i(h,h.gzhead.extra.length>>8&255)),h.gzhead.hcrc&&(a.adler=H(a.adler,h.pending_buf,h.pending,0)),h.gzindex=0,h.status=oa):(i(h,0),i(h,0),i(h,0),i(h,0),i(h,0),i(h,9===h.level?2:h.strategy>=V||h.level<2?4:0),i(h,ya),h.status=sa);else{var 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0===a.avail_out&&(h.last_flush=-1),O;if(o===va&&(b===K?F._tr_align(h):b!==N&&(F._tr_stored_block(h,0,0,!1),b===L&&(f(h.head),0===h.lookahead&&(h.strstart=0,h.block_start=0,h.insert=0))),g(a),0===a.avail_out))return h.last_flush=-1,O}return b!==M?O:h.wrap<=0?P:(2===h.wrap?(i(h,255&a.adler),i(h,a.adler>>8&255),i(h,a.adler>>16&255),i(h,a.adler>>24&255),i(h,255&a.total_in),i(h,a.total_in>>8&255),i(h,a.total_in>>16&255),i(h,a.total_in>>24&255)):(j(h,a.adler>>>16),j(h,65535&a.adler)),g(a),h.wrap>0&&(h.wrap=-h.wrap),0!==h.pending?O:P)}function B(a){var b;return a&&a.state?(b=a.state.status)!==na&&b!==oa&&b!==pa&&b!==qa&&b!==ra&&b!==sa&&b!==ta?d(a,Q):(a.state=null,b===sa?d(a,R):O):Q}function C(a,b){var c,d,e,g,h,i,j,k,l=b.length;if(!a||!a.state)return Q;if(c=a.state,2===(g=c.wrap)||1===g&&c.status!==na||c.lookahead)return Q;for(1===g&&(a.adler=G(a.adler,b,l,0)),c.wrap=0,l>=c.w_size&&(0===g&&(f(c.head),c.strstart=0,c.block_start=0,c.insert=0),k=new E.Buf8(c.w_size),E.arraySet(k,b,l-c.w_size,c.w_size,0),b=k,l=c.w_size),h=a.avail_in,i=a.next_in,j=a.input,a.avail_in=l,a.next_in=0,a.input=b,m(c);c.lookahead>=ja;){d=c.strstart,e=c.lookahead-(ja-1);do{c.ins_h=(c.ins_h<>>24,o>>>=v,p-=v,0==(v=u>>>16&255))B[g++]=65535&u;else{if(!(16&v)){if(0==(64&v)){u=q[(65535&u)+(o&(1<>>=v,p-=v),p<15&&(o+=A[e++]<>>24,o>>>=v,p-=v,!(16&(v=u>>>16&255))){if(0==(64&v)){u=r[(65535&u)+(o&(1<j){a.msg="invalid distance too far back",c.mode=d;break a}if(o>>>=v,p-=v,v=g-h,x>v){if((v=x-v)>l&&c.sane){a.msg="invalid distance too far back",c.mode=d;break a}if(y=0,z=n,0===m){if(y+=k-v,v2;)B[g++]=z[y++],B[g++]=z[y++],B[g++]=z[y++],w-=3;w&&(B[g++]=z[y++],w>1&&(B[g++]=z[y++]))}else{y=g-x;do{B[g++]=B[y++],B[g++]=B[y++],B[g++]=B[y++],w-=3}while(w>2);w&&(B[g++]=B[y++],w>1&&(B[g++]=B[y++]))}break}}break}}while(e>3,e-=w,p-=w<<3,o&=(1<>>24&255)+(a>>>8&65280)+((65280&a)<<8)+((255&a)<<24)}function e(){this.mode=0,this.last=!1,this.wrap=0,this.havedict=!1,this.flags=0,this.dmax=0,this.check=0,this.total=0,this.head=null,this.wbits=0,this.wsize=0,this.whave=0,this.wnext=0,this.window=null,this.hold=0,this.bits=0,this.length=0,this.offset=0,this.extra=0,this.lencode=null,this.distcode=null,this.lenbits=0,this.distbits=0,this.ncode=0,this.nlen=0,this.ndist=0,this.have=0,this.next=null,this.lens=new s.Buf16(320),this.work=new s.Buf16(288),this.lendyn=null,this.distdyn=null,this.sane=0,this.back=0,this.was=0}function f(a){var b;return a&&a.state?(b=a.state,a.total_in=a.total_out=b.total=0,a.msg="",b.wrap&&(a.adler=1&b.wrap),b.mode=L,b.last=0,b.havedict=0,b.dmax=32768,b.head=null,b.hold=0,b.bits=0,b.lencode=b.lendyn=new s.Buf32(pa),b.distcode=b.distdyn=new s.Buf32(qa),b.sane=1,b.back=-1,D):G}function g(a){var b;return a&&a.state?(b=a.state,b.wsize=0,b.whave=0,b.wnext=0,f(a)):G}function h(a,b){var c,d;return a&&a.state?(d=a.state,b<0?(c=0,b=-b):(c=1+(b>>4),b<48&&(b&=15)),b&&(b<8||b>15)?G:(null!==d.window&&d.wbits!==b&&(d.window=null),d.wrap=c,d.wbits=b,g(a))):G}function i(a,b){var c,d;return a?(d=new e,a.state=d,d.window=null,c=h(a,b),c!==D&&(a.state=null),c):G}function j(a){return i(a,sa)}function k(a){if(ta){var b;for(q=new s.Buf32(512),r=new s.Buf32(32),b=0;b<144;)a.lens[b++]=8;for(;b<256;)a.lens[b++]=9;for(;b<280;)a.lens[b++]=7;for(;b<288;)a.lens[b++]=8;for(w(y,a.lens,0,288,q,0,a.work,{bits:9}),b=0;b<32;)a.lens[b++]=5;w(z,a.lens,0,32,r,0,a.work,{bits:5}),ta=!1}a.lencode=q,a.lenbits=9,a.distcode=r,a.distbits=5}function l(a,b,c,d){var e,f=a.state;return null===f.window&&(f.wsize=1<=f.wsize?(s.arraySet(f.window,b,c-f.wsize,f.wsize,0),f.wnext=0,f.whave=f.wsize):(e=f.wsize-f.wnext,e>d&&(e=d),s.arraySet(f.window,b,c-d,e,f.wnext),d-=e,d?(s.arraySet(f.window,b,c-d,d,0),f.wnext=d,f.whave=f.wsize):(f.wnext+=e,f.wnext===f.wsize&&(f.wnext=0),f.whave>>8&255,c.check=u(c.check,Ba,2,0),m=0,n=0,c.mode=M;break}if(c.flags=0,c.head&&(c.head.done=!1),!(1&c.wrap)||(((255&m)<<8)+(m>>8))%31){a.msg="incorrect header check",c.mode=ma;break}if((15&m)!==K){a.msg="unknown compression method",c.mode=ma;break}if(m>>>=4,n-=4,wa=8+(15&m),0===c.wbits)c.wbits=wa;else if(wa>c.wbits){a.msg="invalid window size",c.mode=ma;break}c.dmax=1<>8&1),512&c.flags&&(Ba[0]=255&m,Ba[1]=m>>>8&255,c.check=u(c.check,Ba,2,0)),m=0,n=0,c.mode=N;case N:for(;n<32;){if(0===i)break a;i--,m+=e[g++]<>>8&255, +Ba[2]=m>>>16&255,Ba[3]=m>>>24&255,c.check=u(c.check,Ba,4,0)),m=0,n=0,c.mode=O;case O:for(;n<16;){if(0===i)break a;i--,m+=e[g++]<>8),512&c.flags&&(Ba[0]=255&m,Ba[1]=m>>>8&255,c.check=u(c.check,Ba,2,0)),m=0,n=0,c.mode=P;case P:if(1024&c.flags){for(;n<16;){if(0===i)break a;i--,m+=e[g++]<>>8&255,c.check=u(c.check,Ba,2,0)),m=0,n=0}else c.head&&(c.head.extra=null);c.mode=Q;case Q:if(1024&c.flags&&(q=c.length,q>i&&(q=i),q&&(c.head&&(wa=c.head.extra_len-c.length,c.head.extra||(c.head.extra=new Array(c.head.extra_len)),s.arraySet(c.head.extra,e,g,q,wa)),512&c.flags&&(c.check=u(c.check,e,q,g)),i-=q,g+=q,c.length-=q),c.length))break a;c.length=0,c.mode=R;case R:if(2048&c.flags){if(0===i)break a;q=0;do{wa=e[g+q++],c.head&&wa&&c.length<65536&&(c.head.name+=String.fromCharCode(wa))}while(wa&&q>9&1,c.head.done=!0),a.adler=c.check=0,c.mode=W;break;case U:for(;n<32;){if(0===i)break a;i--,m+=e[g++]<>>=7&n,n-=7&n,c.mode=ja;break}for(;n<3;){if(0===i)break a;i--,m+=e[g++]<>>=1,n-=1,3&m){case 0:c.mode=Y;break;case 1:if(k(c),c.mode=ca,b===C){m>>>=2,n-=2;break a}break;case 2:c.mode=_;break;case 3:a.msg="invalid block type",c.mode=ma}m>>>=2,n-=2;break;case Y:for(m>>>=7&n,n-=7&n;n<32;){if(0===i)break a;i--,m+=e[g++]<>>16^65535)){a.msg="invalid stored block lengths",c.mode=ma;break}if(c.length=65535&m,m=0,n=0,c.mode=Z,b===C)break a;case Z:c.mode=$;case $:if(q=c.length){if(q>i&&(q=i),q>j&&(q=j),0===q)break a;s.arraySet(f,e,g,q,h),i-=q,g+=q,j-=q,h+=q,c.length-=q;break}c.mode=W;break;case _:for(;n<14;){if(0===i)break a;i--,m+=e[g++]<>>=5,n-=5,c.ndist=1+(31&m),m>>>=5,n-=5,c.ncode=4+(15&m),m>>>=4,n-=4,c.nlen>286||c.ndist>30){a.msg="too many length or distance symbols",c.mode=ma;break}c.have=0,c.mode=aa;case aa:for(;c.have>>=3,n-=3}for(;c.have<19;)c.lens[Ca[c.have++]]=0;if(c.lencode=c.lendyn,c.lenbits=7,ya={bits:c.lenbits},xa=w(x,c.lens,0,19,c.lencode,0,c.work,ya),c.lenbits=ya.bits,xa){a.msg="invalid code lengths set",c.mode=ma;break}c.have=0,c.mode=ba;case ba:for(;c.have>>24,ra=Aa>>>16&255,sa=65535&Aa,!(qa<=n);){if(0===i)break a;i--,m+=e[g++]<>>=qa,n-=qa,c.lens[c.have++]=sa;else{if(16===sa){for(za=qa+2;n>>=qa,n-=qa,0===c.have){a.msg="invalid bit length repeat",c.mode=ma;break}wa=c.lens[c.have-1],q=3+(3&m),m>>>=2,n-=2}else if(17===sa){for(za=qa+3;n>>=qa,n-=qa,wa=0,q=3+(7&m),m>>>=3,n-=3}else{for(za=qa+7;n>>=qa,n-=qa,wa=0,q=11+(127&m),m>>>=7,n-=7}if(c.have+q>c.nlen+c.ndist){a.msg="invalid bit length repeat",c.mode=ma;break}for(;q--;)c.lens[c.have++]=wa}}if(c.mode===ma)break;if(0===c.lens[256]){a.msg="invalid code -- missing end-of-block",c.mode=ma;break}if(c.lenbits=9,ya={bits:c.lenbits},xa=w(y,c.lens,0,c.nlen,c.lencode,0,c.work,ya),c.lenbits=ya.bits,xa){a.msg="invalid literal/lengths set",c.mode=ma;break}if(c.distbits=6,c.distcode=c.distdyn,ya={bits:c.distbits},xa=w(z,c.lens,c.nlen,c.ndist,c.distcode,0,c.work,ya),c.distbits=ya.bits,xa){a.msg="invalid distances set",c.mode=ma;break}if(c.mode=ca,b===C)break a;case ca:c.mode=da;case da:if(i>=6&&j>=258){a.next_out=h,a.avail_out=j,a.next_in=g,a.avail_in=i,c.hold=m,c.bits=n,v(a,p),h=a.next_out,f=a.output,j=a.avail_out,g=a.next_in,e=a.input,i=a.avail_in,m=c.hold,n=c.bits,c.mode===W&&(c.back=-1);break}for(c.back=0;Aa=c.lencode[m&(1<>>24,ra=Aa>>>16&255,sa=65535&Aa,!(qa<=n);){if(0===i)break a;i--,m+=e[g++]<>ta)],qa=Aa>>>24,ra=Aa>>>16&255,sa=65535&Aa,!(ta+qa<=n);){if(0===i)break a;i--,m+=e[g++]<>>=ta,n-=ta,c.back+=ta}if(m>>>=qa,n-=qa,c.back+=qa,c.length=sa,0===ra){c.mode=ia;break}if(32&ra){c.back=-1,c.mode=W;break}if(64&ra){a.msg="invalid literal/length code",c.mode=ma;break}c.extra=15&ra,c.mode=ea;case ea:if(c.extra){for(za=c.extra;n>>=c.extra,n-=c.extra,c.back+=c.extra}c.was=c.length,c.mode=fa;case fa:for(;Aa=c.distcode[m&(1<>>24,ra=Aa>>>16&255,sa=65535&Aa,!(qa<=n);){if(0===i)break a;i--,m+=e[g++]<>ta)],qa=Aa>>>24,ra=Aa>>>16&255,sa=65535&Aa,!(ta+qa<=n);){if(0===i)break a;i--,m+=e[g++]<>>=ta,n-=ta,c.back+=ta}if(m>>>=qa,n-=qa,c.back+=qa,64&ra){a.msg="invalid distance code",c.mode=ma;break}c.offset=sa,c.extra=15&ra,c.mode=ga;case ga:if(c.extra){for(za=c.extra;n>>=c.extra,n-=c.extra,c.back+=c.extra}if(c.offset>c.dmax){a.msg="invalid distance too far back",c.mode=ma;break}c.mode=ha;case ha:if(0===j)break a;if(q=p-j,c.offset>q){if((q=c.offset-q)>c.whave&&c.sane){a.msg="invalid distance too far back",c.mode=ma;break}q>c.wnext?(q-=c.wnext,r=c.wsize-q):r=c.wnext-q,q>c.length&&(q=c.length),pa=c.window}else pa=f,r=h-c.offset,q=c.length;q>j&&(q=j),j-=q,c.length-=q;do{f[h++]=pa[r++]}while(--q);0===c.length&&(c.mode=da);break;case ia:if(0===j)break a;f[h++]=c.length,j--,c.mode=da;break;case ja:if(c.wrap){for(;n<32;){if(0===i)break a;i--,m|=e[g++]<=1&&0===P[G];G--);if(H>G&&(H=G),0===G)return p[q++]=20971520,p[q++]=20971520,s.bits=1,0;for(F=1;F0&&(a===h||1!==G))return-1;for(Q[1]=0,D=1;Df||a===j&&L>g)return 1;for(;;){z=D-J,r[E]y?(A=R[S+r[E]],B=N[O+r[E]]):(A=96,B=0),t=1<>J)+u]=z<<24|A<<16|B|0}while(0!==u);for(t=1<>=1;if(0!==t?(M&=t-1,M+=t):M=0,E++,0==--P[D]){if(D===G)break;D=b[c+r[E]]}if(D>H&&(M&w)!==v){for(0===J&&(J=H),x+=F,I=D-J,K=1<f||a===j&&L>g)return 1;v=M&w,p[v]=H<<24|I<<16|x-q|0}}return 0!==M&&(p[x+M]=D-J<<24|64<<16|0),s.bits=H,0}},{"../utils/common":28}],38:[function(a,b,c){"use strict";b.exports={2:"need dictionary",1:"stream end",0:"","-1":"file error","-2":"stream error","-3":"data error","-4":"insufficient memory","-5":"buffer error","-6":"incompatible version"}},{}],39:[function(a,b,c){"use strict";function d(a){for(var b=a.length;--b>=0;)a[b]=0}function e(a,b,c,d,e){this.static_tree=a,this.extra_bits=b,this.extra_base=c,this.elems=d,this.max_length=e,this.has_stree=a&&a.length}function f(a,b){this.dyn_tree=a,this.max_code=0,this.stat_desc=b}function g(a){return a<256?ia[a]:ia[256+(a>>>7)]}function h(a,b){a.pending_buf[a.pending++]=255&b,a.pending_buf[a.pending++]=b>>>8&255}function i(a,b,c){a.bi_valid>X-c?(a.bi_buf|=b<>X-a.bi_valid,a.bi_valid+=c-X):(a.bi_buf|=b<>>=1,c<<=1}while(--b>0);return c>>>1}function l(a){16===a.bi_valid?(h(a,a.bi_buf),a.bi_buf=0,a.bi_valid=0):a.bi_valid>=8&&(a.pending_buf[a.pending++]=255&a.bi_buf,a.bi_buf>>=8,a.bi_valid-=8)}function m(a,b){var c,d,e,f,g,h,i=b.dyn_tree,j=b.max_code,k=b.stat_desc.static_tree,l=b.stat_desc.has_stree,m=b.stat_desc.extra_bits,n=b.stat_desc.extra_base,o=b.stat_desc.max_length,p=0;for(f=0;f<=W;f++)a.bl_count[f]=0;for(i[2*a.heap[a.heap_max]+1]=0,c=a.heap_max+1;co&&(f=o,p++),i[2*d+1]=f,d>j||(a.bl_count[f]++,g=0,d>=n&&(g=m[d-n]),h=i[2*d],a.opt_len+=h*(f+g),l&&(a.static_len+=h*(k[2*d+1]+g)));if(0!==p){do{for(f=o-1;0===a.bl_count[f];)f--;a.bl_count[f]--,a.bl_count[f+1]+=2,a.bl_count[o]--,p-=2}while(p>0);for(f=o;0!==f;f--)for(d=a.bl_count[f];0!==d;)(e=a.heap[--c])>j||(i[2*e+1]!==f&&(a.opt_len+=(f-i[2*e+1])*i[2*e],i[2*e+1]=f),d--)}}function n(a,b,c){var d,e,f=new Array(W+1),g=0;for(d=1;d<=W;d++)f[d]=g=g+c[d-1]<<1;for(e=0;e<=b;e++){var h=a[2*e+1];0!==h&&(a[2*e]=k(f[h]++,h))}}function o(){var a,b,c,d,f,g=new Array(W+1);for(c=0,d=0;d>=7;d8?h(a,a.bi_buf):a.bi_valid>0&&(a.pending_buf[a.pending++]=a.bi_buf),a.bi_buf=0,a.bi_valid=0}function r(a,b,c,d){q(a),d&&(h(a,c),h(a,~c)),G.arraySet(a.pending_buf,a.window,b,c,a.pending),a.pending+=c}function s(a,b,c,d){var e=2*b,f=2*c;return a[e]>1;c>=1;c--)t(a,f,c);e=i;do{c=a.heap[1],a.heap[1]=a.heap[a.heap_len--],t(a,f,1),d=a.heap[1],a.heap[--a.heap_max]=c,a.heap[--a.heap_max]=d,f[2*e]=f[2*c]+f[2*d],a.depth[e]=(a.depth[c]>=a.depth[d]?a.depth[c]:a.depth[d])+1,f[2*c+1]=f[2*d+1]=e,a.heap[1]=e++,t(a,f,1)}while(a.heap_len>=2);a.heap[--a.heap_max]=a.heap[1],m(a,b),n(f,j,a.bl_count)}function w(a,b,c){var d,e,f=-1,g=b[1],h=0,i=7,j=4;for(0===g&&(i=138,j=3),b[2*(c+1)+1]=65535,d=0;d<=c;d++)e=g,g=b[2*(d+1)+1],++h=3&&0===a.bl_tree[2*ea[b]+1];b--);return a.opt_len+=3*(b+1)+5+5+4,b}function z(a,b,c,d){var e;for(i(a,b-257,5),i(a,c-1,5),i(a,d-4,4),e=0;e>>=1)if(1&c&&0!==a.dyn_ltree[2*b])return I;if(0!==a.dyn_ltree[18]||0!==a.dyn_ltree[20]||0!==a.dyn_ltree[26])return J;for(b=32;b0?(a.strm.data_type===K&&(a.strm.data_type=A(a)),v(a,a.l_desc),v(a,a.d_desc),g=y(a),e=a.opt_len+3+7>>>3,(f=a.static_len+3+7>>>3)<=e&&(e=f)):e=f=c+5,c+4<=e&&-1!==b?C(a,b,c,d):a.strategy===H||f===e?(i(a,(M<<1)+(d?1:0),3),u(a,ga,ha)):(i(a,(N<<1)+(d?1:0),3),z(a,a.l_desc.max_code+1,a.d_desc.max_code+1,g+1),u(a,a.dyn_ltree,a.dyn_dtree)),p(a),d&&q(a)}function F(a,b,c){return a.pending_buf[a.d_buf+2*a.last_lit]=b>>>8&255,a.pending_buf[a.d_buf+2*a.last_lit+1]=255&b,a.pending_buf[a.l_buf+a.last_lit]=255&c,a.last_lit++,0===b?a.dyn_ltree[2*c]++:(a.matches++,b--,a.dyn_ltree[2*(ja[c]+R+1)]++,a.dyn_dtree[2*g(b)]++),a.last_lit===a.lit_bufsize-1}var G=a("../utils/common"),H=4,I=0,J=1,K=2,L=0,M=1,N=2,O=3,P=258,Q=29,R=256,S=R+1+Q,T=30,U=19,V=2*S+1,W=15,X=16,Y=7,Z=256,$=16,_=17,aa=18,ba=[0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0],ca=[0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13],da=[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,3,7],ea=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15],fa=512,ga=new Array(2*(S+2));d(ga);var ha=new Array(2*T);d(ha);var ia=new Array(fa);d(ia);var ja=new Array(P-O+1);d(ja);var ka=new Array(Q);d(ka);var la=new Array(T);d(la);var ma,na,oa,pa=!1;c._tr_init=B,c._tr_stored_block=C,c._tr_flush_block=E,c._tr_tally=F,c._tr_align=D},{"../utils/common":28}],40:[function(a,b,c){"use strict";function d(){this.input=null,this.next_in=0,this.avail_in=0,this.total_in=0,this.output=null,this.next_out=0,this.avail_out=0,this.total_out=0,this.msg="",this.state=null,this.data_type=2,this.adler=0}b.exports=d},{}]},{},[10])(10)}); \ No newline at end of file diff --git a/lib/index.js b/lib/index.js index 96c3389d..d913cb3f 100644 --- a/lib/index.js +++ b/lib/index.js @@ -29,7 +29,10 @@ function JSZip(data, options) { // "folder/" : {...}, // "folder/data.txt" : {...} // } - this.files = {}; + // NOTE: we use a null prototype because we do not + // want filenames like "toString" coming from a zip file + // to overwrite methods and attributes in a normal Object. + this.files = Object.create(null); this.comment = null; diff --git a/lib/object.js b/lib/object.js index 7b99bb11..4fb5087f 100644 --- a/lib/object.js +++ b/lib/object.js @@ -615,9 +615,6 @@ var out = { var result = [], filename, relativePath, file, fileClone; for (filename in this.files) { - if (!this.files.hasOwnProperty(filename)) { - continue; - } file = this.files[filename]; // return a new object, don't let the user mess with our internal objects :) fileClone = new ZipObject(file.name, file._data, utils.extend(file.options)); @@ -761,9 +758,6 @@ var out = { // first, generate all the zip parts. for (var name in this.files) { - if (!this.files.hasOwnProperty(name)) { - continue; - } var file = this.files[name]; var compressionName = file.options.compression || options.compression.toUpperCase(); diff --git a/test/ref/pollution.zip b/test/ref/pollution.zip new file mode 100644 index 0000000000000000000000000000000000000000..c673c0a0aadaddb43a88460c871aad0f41d206f3 GIT binary patch literal 480 zcmWIWW@h1H0D-8yb3qCQR%UEKHVAVt$S{=T2bUCO=B0;*a56Bj2{@hr!lf1542&!< zm>C#YQh@3*Qgd?hxdPzkB%+za2{b1@zMv?-BtJeLY|vJqA=?NWRE}m4H_)Ku{Ji3l zqSEA&{35VX4}r!!!fg~IlN>WH-$?-7&cMJ3#7i1MEQDWKA$~>kXMi`tG)zAto8|#D s4avtq<3K*fV;rVWk&T-OG!DhzKm$Sk#xRf-6m1O5K==+w-vMzL06Aq~cmMzZ literal 0 HcmV?d00001 diff --git a/test/test.js b/test/test.js index 51be86c5..38fa4837 100644 --- a/test/test.js +++ b/test/test.js @@ -1167,6 +1167,13 @@ testZipFile("load(string) works", "ref/all.zip", function(file) { equal(zip.file("Hello.txt").asText(), "Hello World\n", "the zip was correctly read."); }); +testZipFile("Load files which shadow Object prototype methods", "ref/pollution.zip", function(file) { + ok(typeof file === "string"); + var zip = JSZip(file); + notEqual(Object.getPrototypeOf(zip.files), zip.files.__proto__); + equal(zip.file("__proto__").asText(), "hello\n", "the zip was correctly read."); +}); + testZipFile("load(string) handles bytes > 255", "ref/all.zip", function(file) { // the method used to load zip with ajax will remove the extra bits. // adding extra bits :)