unify changes with main sheetjs project

- Fixed issue #14 h/t @wisekaa03
- CFB write truncate file names exceeding 32 characters

Co-authored-by: Stanislav Vyaliy <wisekaa03@gmail.com>
This commit is contained in:
SheetJS 2022-03-31 04:57:58 -04:00
parent c5eb7e6278
commit 0e33eb6e13
13 changed files with 242 additions and 251 deletions

@ -1,44 +1,36 @@
var Base64 = (function make_b64(){
var map = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
return {
encode: function(input/*:string*/)/*:string*/ {
var o = "";
var c1=0, c2=0, c3=0, e1=0, e2=0, e3=0, e4=0;
for(var i = 0; i < input.length; ) {
c1 = input.charCodeAt(i++);
e1 = (c1 >> 2);
c2 = input.charCodeAt(i++);
e2 = ((c1 & 3) << 4) | (c2 >> 4);
c3 = input.charCodeAt(i++);
e3 = ((c2 & 15) << 2) | (c3 >> 6);
e4 = (c3 & 63);
if (isNaN(c2)) { e3 = e4 = 64; }
else if (isNaN(c3)) { e4 = 64; }
o += map.charAt(e1) + map.charAt(e2) + map.charAt(e3) + map.charAt(e4);
}
return o;
},
decode: function b64_decode(input/*:string*/)/*:string*/ {
var o = "";
var c1=0, c2=0, c3=0, e1=0, e2=0, e3=0, e4=0;
input = input.replace(/[^\w\+\/\=]/g, "");
for(var i = 0; i < input.length;) {
e1 = map.indexOf(input.charAt(i++));
e2 = map.indexOf(input.charAt(i++));
c1 = (e1 << 2) | (e2 >> 4);
o += String.fromCharCode(c1);
e3 = map.indexOf(input.charAt(i++));
c2 = ((e2 & 15) << 4) | (e3 >> 2);
if (e3 !== 64) { o += String.fromCharCode(c2); }
e4 = map.indexOf(input.charAt(i++));
c3 = ((e3 & 3) << 6) | e4;
if (e4 !== 64) { o += String.fromCharCode(c3); }
}
return o;
}
};
})();
var Base64_map = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
function Base64_encode(input/*:string*/)/*:string*/ {
var o = "";
var c1 = 0, c2 = 0, c3 = 0, e1 = 0, e2 = 0, e3 = 0, e4 = 0;
for (var i = 0; i < input.length; ) {
c1 = input.charCodeAt(i++);
e1 = (c1 >> 2);
c2 = input.charCodeAt(i++);
e2 = ((c1 & 3) << 4) | (c2 >> 4);
c3 = input.charCodeAt(i++);
e3 = ((c2 & 15) << 2) | (c3 >> 6);
e4 = (c3 & 63);
if (isNaN(c2)) e3 = e4 = 64;
else if (isNaN(c3)) e4 = 64;
o += Base64_map.charAt(e1) + Base64_map.charAt(e2) + Base64_map.charAt(e3) + Base64_map.charAt(e4);
}
return o;
}
function Base64_decode(input/*:string*/)/*:string*/ {
var o = "";
var c1 = 0, c2 = 0, c3 = 0, e1 = 0, e2 = 0, e3 = 0, e4 = 0;
input = input.replace(/[^\w\+\/\=]/g, "");
for (var i = 0; i < input.length;) {
e1 = Base64_map.indexOf(input.charAt(i++));
e2 = Base64_map.indexOf(input.charAt(i++));
c1 = (e1 << 2) | (e2 >> 4);
o += String.fromCharCode(c1);
e3 = Base64_map.indexOf(input.charAt(i++));
c2 = ((e2 & 15) << 4) | (e3 >> 2);
if (e3 !== 64) o += String.fromCharCode(c2);
e4 = Base64_map.indexOf(input.charAt(i++));
c3 = ((e3 & 3) << 6) | e4;
if (e4 !== 64) o += String.fromCharCode(c3);
}
return o;
}

@ -1,18 +1,15 @@
/* crc32.js (C) 2014-present SheetJS -- http://sheetjs.com */
/*! crc32.js (C) 2014-present SheetJS -- http://sheetjs.com */
/* vim: set ts=2: */
/*exported CRC32 */
var CRC32;
(function (factory) {
/*jshint ignore:start */
/*eslint-disable */
factory(CRC32 = {});
/*eslint-enable */
/*jshint ignore:end */
}(function(CRC32) {
CRC32.version = '1.2.0';
/* see perf/crc32table.js */
var CRC32 = /*#__PURE__*/(function() {
var CRC32 = {};
CRC32.version = '1.2.1';
/*::
type ABuf = Array<number> | Buffer | Uint8Array;
type CRC32TableType = Array<number> | Int32Array;
*/
/*global Int32Array */
function signed_crc_table()/*:any*/ {
function signed_crc_table()/*:CRC32TableType*/ {
var c = 0, table/*:Array<number>*/ = new Array(256);
for(var n =0; n != 256; ++n){
@ -31,71 +28,70 @@ function signed_crc_table()/*:any*/ {
return typeof Int32Array !== 'undefined' ? new Int32Array(table) : table;
}
var T = signed_crc_table();
function crc32_bstr(bstr/*:string*/, seed/*:number*/)/*:number*/ {
var C = seed ^ -1, L = bstr.length - 1;
for(var i = 0; i < L;) {
C = (C>>>8) ^ T[(C^bstr.charCodeAt(i++))&0xFF];
C = (C>>>8) ^ T[(C^bstr.charCodeAt(i++))&0xFF];
var T0 = signed_crc_table();
function slice_by_16_tables(T) {
var c = 0, v = 0, n = 0, table/*:Array<number>*/ = typeof Int32Array !== 'undefined' ? new Int32Array(4096) : new Array(4096) ;
for(n = 0; n != 256; ++n) table[n] = T[n];
for(n = 0; n != 256; ++n) {
v = T[n];
for(c = 256 + n; c < 4096; c += 256) v = table[c] = (v >>> 8) ^ T[v & 0xFF];
}
if(i === L) C = (C>>>8) ^ T[(C ^ bstr.charCodeAt(i))&0xFF];
return C ^ -1;
var out = [];
for(n = 1; n != 16; ++n) out[n - 1] = typeof Int32Array !== 'undefined' ? table.subarray(n * 256, n * 256 + 256) : table.slice(n * 256, n * 256 + 256);
return out;
}
var TT = slice_by_16_tables(T0);
var T1 = TT[0], T2 = TT[1], T3 = TT[2], T4 = TT[3], T5 = TT[4];
var T6 = TT[5], T7 = TT[6], T8 = TT[7], T9 = TT[8], Ta = TT[9];
var Tb = TT[10], Tc = TT[11], Td = TT[12], Te = TT[13], Tf = TT[14];
function crc32_bstr(bstr/*:string*/, seed/*:?number*/)/*:number*/ {
var C = seed/*:: ? 0 : 0 */ ^ -1;
for(var i = 0, L = bstr.length; i < L;) C = (C>>>8) ^ T0[(C^bstr.charCodeAt(i++))&0xFF];
return ~C;
}
function crc32_buf(buf/*:Uint8Array|Array<number>*/, seed/*:number*/)/*:number*/ {
if(buf.length > 10000) return crc32_buf_8(buf, seed);
var C = seed ^ -1, L = buf.length - 3;
for(var i = 0; i < L;) {
C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
}
while(i < L+3) C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
return C ^ -1;
function crc32_buf(B/*:ABuf*/, seed/*:?number*/)/*:number*/ {
var C = seed/*:: ? 0 : 0 */ ^ -1, L = B.length - 15, i = 0;
for(; i < L;) C =
Tf[B[i++] ^ (C & 255)] ^
Te[B[i++] ^ ((C >> 8) & 255)] ^
Td[B[i++] ^ ((C >> 16) & 255)] ^
Tc[B[i++] ^ (C >>> 24)] ^
Tb[B[i++]] ^ Ta[B[i++]] ^ T9[B[i++]] ^ T8[B[i++]] ^
T7[B[i++]] ^ T6[B[i++]] ^ T5[B[i++]] ^ T4[B[i++]] ^
T3[B[i++]] ^ T2[B[i++]] ^ T1[B[i++]] ^ T0[B[i++]];
L += 15;
while(i < L) C = (C>>>8) ^ T0[(C^B[i++])&0xFF];
return ~C;
}
function crc32_buf_8(buf/*:Uint8Array|Array<number>*/, seed/*:number*/)/*:number*/ {
var C = seed ^ -1, L = buf.length - 7;
for(var i = 0; i < L;) {
C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
}
while(i < L+7) C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
return C ^ -1;
}
function crc32_str(str/*:string*/, seed/*:number*/)/*:number*/ {
var C = seed ^ -1;
for(var i = 0, L=str.length, c, d; i < L;) {
function crc32_str(str/*:string*/, seed/*:?number*/)/*:number*/ {
var C = seed/*:: ? 0 : 0 */ ^ -1;
for(var i = 0, L = str.length, c = 0, d = 0; i < L;) {
c = str.charCodeAt(i++);
if(c < 0x80) {
C = (C>>>8) ^ T[(C ^ c)&0xFF];
C = (C>>>8) ^ T0[(C^c)&0xFF];
} else if(c < 0x800) {
C = (C>>>8) ^ T[(C ^ (192|((c>>6)&31)))&0xFF];
C = (C>>>8) ^ T[(C ^ (128|(c&63)))&0xFF];
C = (C>>>8) ^ T0[(C ^ (192|((c>>6)&31)))&0xFF];
C = (C>>>8) ^ T0[(C ^ (128|(c&63)))&0xFF];
} else if(c >= 0xD800 && c < 0xE000) {
c = (c&1023)+64; d = str.charCodeAt(i++)&1023;
C = (C>>>8) ^ T[(C ^ (240|((c>>8)&7)))&0xFF];
C = (C>>>8) ^ T[(C ^ (128|((c>>2)&63)))&0xFF];
C = (C>>>8) ^ T[(C ^ (128|((d>>6)&15)|((c&3)<<4)))&0xFF];
C = (C>>>8) ^ T[(C ^ (128|(d&63)))&0xFF];
C = (C>>>8) ^ T0[(C ^ (240|((c>>8)&7)))&0xFF];
C = (C>>>8) ^ T0[(C ^ (128|((c>>2)&63)))&0xFF];
C = (C>>>8) ^ T0[(C ^ (128|((d>>6)&15)|((c&3)<<4)))&0xFF];
C = (C>>>8) ^ T0[(C ^ (128|(d&63)))&0xFF];
} else {
C = (C>>>8) ^ T[(C ^ (224|((c>>12)&15)))&0xFF];
C = (C>>>8) ^ T[(C ^ (128|((c>>6)&63)))&0xFF];
C = (C>>>8) ^ T[(C ^ (128|(c&63)))&0xFF];
C = (C>>>8) ^ T0[(C ^ (224|((c>>12)&15)))&0xFF];
C = (C>>>8) ^ T0[(C ^ (128|((c>>6)&63)))&0xFF];
C = (C>>>8) ^ T0[(C ^ (128|(c&63)))&0xFF];
}
}
return C ^ -1;
return ~C;
}
CRC32.table = T;
CRC32.table = T0;
CRC32.bstr = crc32_bstr;
CRC32.buf = crc32_buf;
CRC32.str = crc32_str;
}));
return CRC32;
})();

@ -1,3 +1,3 @@
/* [MS-CFB] v20171201 */
var CFB = (function _CFB(){
var CFB = /*#__PURE__*/(function _CFB(){
var exports/*:CFBModule*/ = /*::(*/{}/*:: :any)*/;

@ -11,7 +11,7 @@ function sleuth_fat(idx/*:number*/, cnt/*:number*/, sectors/*:Array<RawBytes>*/,
if((q = __readInt32LE(sector,i*4)) === ENDOFCHAIN) break;
fat_addrs.push(q);
}
sleuth_fat(__readInt32LE(sector,ssz-4),cnt - 1, sectors, ssz, fat_addrs);
if(cnt >= 1) sleuth_fat(__readInt32LE(sector,ssz-4),cnt - 1, sectors, ssz, fat_addrs);
}
}

@ -10,7 +10,7 @@ function read(blob/*:RawBytes|string*/, options/*:CFBReadOpts*/) {
}
switch(type || "base64") {
case "file": /*:: if(typeof blob !== 'string') throw "Must pass a filename when type='file'"; */return read_file(blob, options);
case "base64": /*:: if(typeof blob !== 'string') throw "Must pass a base64-encoded binary string when type='file'"; */return parse(s2a(Base64.decode(blob)), options);
case "base64": /*:: if(typeof blob !== 'string') throw "Must pass a base64-encoded binary string when type='file'"; */return parse(s2a(Base64_decode(blob)), options);
case "binary": /*:: if(typeof blob !== 'string') throw "Must pass a binary string when type='file'"; */return parse(s2a(blob), options);
}
return parse(/*::typeof blob == 'string' ? new Buffer(blob, 'utf-8') : */blob, options);

@ -10,7 +10,9 @@
for(i = 0; i < data.length; ++i) {
var dad = dirname(data[i][0]);
s = fullPaths[dad];
if(!s) {
while(!s) {
while(dirname(dad) && !fullPaths[dirname(dad)]) dad = dirname(dad);
data.push([dad, ({
name: filename(dad).replace("/",""),
type: 1,
@ -18,8 +20,12 @@
ct: now, mt: now,
content: null
}/*:any*/)]);
// Add name to set
fullPaths[dad] = true;
dad = dirname(data[i][0]);
s = fullPaths[dad];
}
}

@ -3,7 +3,6 @@
for(var i = 0; i < cfb.FileIndex.length; ++i) {
var file = cfb.FileIndex[i];
if(!file.content) continue;
/*:: if(file.content == null) throw new Error("unreachable"); */
var flen = file.content.length;
if(flen > 0){
if(flen < 0x1000) mini_size += (flen + 0x3F) >> 6;

@ -9,6 +9,10 @@
file = cfb.FileIndex[i];
if(i === 0) file.start = file.size ? file.start - 1 : ENDOFCHAIN;
var _nm/*:string*/ = (i === 0 && _opts.root) || file.name;
if(_nm.length > 32) {
console.error("Name " + _nm + " will be truncated to " + _nm.slice(0,32));
_nm = _nm.slice(0, 32);
}
flen = 2*(_nm.length+1);
o.write_shift(64, _nm, "utf16le");
o.write_shift(2, flen);

@ -16,7 +16,7 @@ function write(cfb/*:CFBContainer*/, options/*:CFBWriteOpts*/)/*:RawBytes|string
switch(options && options.type || "buffer") {
case "file": get_fs(); fs.writeFileSync(options.filename, (o/*:any*/)); return o;
case "binary": return typeof o == "string" ? o : a2s(o);
case "base64": return Base64.encode(typeof o == "string" ? o : a2s(o));
case "base64": return Base64_encode(typeof o == "string" ? o : a2s(o));
case "buffer": if(has_buf) return Buffer.isBuffer(o) ? o : Buffer_from(o);
/* falls through */
case "array": return typeof o == "string" ? s2a(o) : o;

@ -1,12 +1,13 @@
var _deflateRaw = (function() {
var _deflateRaw = /*#__PURE__*/(function _deflateRawIIFE() {
var DST_LN_RE = use_typed_arrays ? new Uint8Array(0x8000) : [];
for(var j = 0, k = 0; j < DST_LN.length; ++j) {
var j = 0, k = 0;
for(; j < DST_LN.length - 1; ++j) {
for(; k < DST_LN[j+1]; ++k) DST_LN_RE[k] = j;
}
for(;k < 32768; ++k) DST_LN_RE[k] = 29;
var LEN_LN_RE = use_typed_arrays ? new Uint8Array(0x102) : [];
for(j = 0, k = 0; j < LEN_LN.length; ++j) {
var LEN_LN_RE = use_typed_arrays ? new Uint8Array(0x103) : [];
for(j = 0, k = 0; j < LEN_LN.length - 1; ++j) {
for(; k < LEN_LN[j+1]; ++k) LEN_LN_RE[k] = j;
}

@ -103,14 +103,12 @@ function inflate(data, usz/*:number*/) {
var sz = data[boff>>>3] | data[(boff>>>3)+1]<<8;
boff += 32;
/* push sz bytes */
if(!usz && OL < woff + sz) { outbuf = realloc(outbuf, woff + sz); OL = outbuf.length; }
if(typeof data.copy === 'function') {
// $FlowIgnore
data.copy(outbuf, woff, boff>>>3, (boff>>>3)+sz);
woff += sz; boff += 8*sz;
} else while(sz-- > 0) { outbuf[woff++] = data[boff>>>3]; boff += 8; }
if(sz > 0) {
if(!usz && OL < woff + sz) { outbuf = realloc(outbuf, woff + sz); OL = outbuf.length; }
while(sz-- > 0) { outbuf[woff++] = data[boff>>>3]; boff += 8; }
}
continue;
} else if((header >>> 1) == 1) {
} else if((header >> 1) == 1) {
/* Fixed Huffman */
max_len_1 = 9; max_len_2 = 5;
} else {
@ -155,7 +153,8 @@ function inflate(data, usz/*:number*/) {
}
}
}
return [usz ? outbuf : outbuf.slice(0, woff), (boff+7)>>>3];
if(usz) return [outbuf, (boff+7)>>>3];
return [outbuf.slice(0, woff), (boff+7)>>>3];
}
function _inflate(payload, usz) {

@ -27,7 +27,7 @@ function get_content_type(fi/*:CFBEntry*/, fp/*:string*/)/*:string*/ {
/* 76 character chunks TODO: intertwine encoding */
function write_base64_76(bstr/*:string*/)/*:string*/ {
var data = Base64.encode(bstr);
var data = Base64_encode(bstr);
var o = [];
for(var i = 0; i < data.length; i+= 76) o.push(data.slice(i, i+76));
return o.join("\r\n") + "\r\n";
@ -108,7 +108,7 @@ function parse_mime(cfb/*:CFBContainer*/, data/*:Array<string>*/, root/*:string*
}
++di;
switch(cte.toLowerCase()) {
case 'base64': fdata = s2a(Base64.decode(data.slice(di).join(""))); break;
case 'base64': fdata = s2a(Base64_decode(data.slice(di).join(""))); break;
case 'quoted-printable': fdata = parse_quoted_printable(data.slice(di)); break;
default: throw new Error("Unsupported Content-Transfer-Encoding " + cte);
}

242
cfb.js

@ -4,50 +4,42 @@
/*exported CFB */
/*global module, require:false, process:false, Buffer:false, Uint8Array:false, Uint16Array:false */
var Base64 = (function make_b64(){
var map = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
return {
encode: function(input) {
var o = "";
var c1=0, c2=0, c3=0, e1=0, e2=0, e3=0, e4=0;
for(var i = 0; i < input.length; ) {
c1 = input.charCodeAt(i++);
e1 = (c1 >> 2);
c2 = input.charCodeAt(i++);
e2 = ((c1 & 3) << 4) | (c2 >> 4);
c3 = input.charCodeAt(i++);
e3 = ((c2 & 15) << 2) | (c3 >> 6);
e4 = (c3 & 63);
if (isNaN(c2)) { e3 = e4 = 64; }
else if (isNaN(c3)) { e4 = 64; }
o += map.charAt(e1) + map.charAt(e2) + map.charAt(e3) + map.charAt(e4);
}
return o;
},
decode: function b64_decode(input) {
var o = "";
var c1=0, c2=0, c3=0, e1=0, e2=0, e3=0, e4=0;
input = input.replace(/[^\w\+\/\=]/g, "");
for(var i = 0; i < input.length;) {
e1 = map.indexOf(input.charAt(i++));
e2 = map.indexOf(input.charAt(i++));
c1 = (e1 << 2) | (e2 >> 4);
o += String.fromCharCode(c1);
e3 = map.indexOf(input.charAt(i++));
c2 = ((e2 & 15) << 4) | (e3 >> 2);
if (e3 !== 64) { o += String.fromCharCode(c2); }
e4 = map.indexOf(input.charAt(i++));
c3 = ((e3 & 3) << 6) | e4;
if (e4 !== 64) { o += String.fromCharCode(c3); }
}
return o;
}
};
})();
var Base64_map = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
function Base64_encode(input) {
var o = "";
var c1 = 0, c2 = 0, c3 = 0, e1 = 0, e2 = 0, e3 = 0, e4 = 0;
for (var i = 0; i < input.length; ) {
c1 = input.charCodeAt(i++);
e1 = (c1 >> 2);
c2 = input.charCodeAt(i++);
e2 = ((c1 & 3) << 4) | (c2 >> 4);
c3 = input.charCodeAt(i++);
e3 = ((c2 & 15) << 2) | (c3 >> 6);
e4 = (c3 & 63);
if (isNaN(c2)) e3 = e4 = 64;
else if (isNaN(c3)) e4 = 64;
o += Base64_map.charAt(e1) + Base64_map.charAt(e2) + Base64_map.charAt(e3) + Base64_map.charAt(e4);
}
return o;
}
function Base64_decode(input) {
var o = "";
var c1 = 0, c2 = 0, c3 = 0, e1 = 0, e2 = 0, e3 = 0, e4 = 0;
input = input.replace(/[^\w\+\/\=]/g, "");
for (var i = 0; i < input.length;) {
e1 = Base64_map.indexOf(input.charAt(i++));
e2 = Base64_map.indexOf(input.charAt(i++));
c1 = (e1 << 2) | (e2 >> 4);
o += String.fromCharCode(c1);
e3 = Base64_map.indexOf(input.charAt(i++));
c2 = ((e2 & 15) << 4) | (e3 >> 2);
if (e3 !== 64) o += String.fromCharCode(c2);
e4 = Base64_map.indexOf(input.charAt(i++));
c3 = ((e3 & 3) << 6) | e4;
if (e4 !== 64) o += String.fromCharCode(c3);
}
return o;
}
var has_buf = (typeof Buffer !== 'undefined' && typeof process !== 'undefined' && typeof process.versions !== 'undefined' && process.versions.node);
var Buffer_from = function(){};
@ -173,19 +165,12 @@ function new_buf(sz) {
return o;
}
/* crc32.js (C) 2014-present SheetJS -- http://sheetjs.com */
/*! crc32.js (C) 2014-present SheetJS -- http://sheetjs.com */
/* vim: set ts=2: */
/*exported CRC32 */
var CRC32;
(function (factory) {
/*jshint ignore:start */
/*eslint-disable */
factory(CRC32 = {});
/*eslint-enable */
/*jshint ignore:end */
}(function(CRC32) {
CRC32.version = '1.2.0';
/* see perf/crc32table.js */
var CRC32 = (function() {
var CRC32 = {};
CRC32.version = '1.2.1';
/*global Int32Array */
function signed_crc_table() {
var c = 0, table = new Array(256);
@ -206,74 +191,73 @@ function signed_crc_table() {
return typeof Int32Array !== 'undefined' ? new Int32Array(table) : table;
}
var T = signed_crc_table();
var T0 = signed_crc_table();
function slice_by_16_tables(T) {
var c = 0, v = 0, n = 0, table = typeof Int32Array !== 'undefined' ? new Int32Array(4096) : new Array(4096) ;
for(n = 0; n != 256; ++n) table[n] = T[n];
for(n = 0; n != 256; ++n) {
v = T[n];
for(c = 256 + n; c < 4096; c += 256) v = table[c] = (v >>> 8) ^ T[v & 0xFF];
}
var out = [];
for(n = 1; n != 16; ++n) out[n - 1] = typeof Int32Array !== 'undefined' ? table.subarray(n * 256, n * 256 + 256) : table.slice(n * 256, n * 256 + 256);
return out;
}
var TT = slice_by_16_tables(T0);
var T1 = TT[0], T2 = TT[1], T3 = TT[2], T4 = TT[3], T5 = TT[4];
var T6 = TT[5], T7 = TT[6], T8 = TT[7], T9 = TT[8], Ta = TT[9];
var Tb = TT[10], Tc = TT[11], Td = TT[12], Te = TT[13], Tf = TT[14];
function crc32_bstr(bstr, seed) {
var C = seed ^ -1, L = bstr.length - 1;
for(var i = 0; i < L;) {
C = (C>>>8) ^ T[(C^bstr.charCodeAt(i++))&0xFF];
C = (C>>>8) ^ T[(C^bstr.charCodeAt(i++))&0xFF];
}
if(i === L) C = (C>>>8) ^ T[(C ^ bstr.charCodeAt(i))&0xFF];
return C ^ -1;
var C = seed ^ -1;
for(var i = 0, L = bstr.length; i < L;) C = (C>>>8) ^ T0[(C^bstr.charCodeAt(i++))&0xFF];
return ~C;
}
function crc32_buf(buf, seed) {
if(buf.length > 10000) return crc32_buf_8(buf, seed);
var C = seed ^ -1, L = buf.length - 3;
for(var i = 0; i < L;) {
C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
}
while(i < L+3) C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
return C ^ -1;
}
function crc32_buf_8(buf, seed) {
var C = seed ^ -1, L = buf.length - 7;
for(var i = 0; i < L;) {
C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
}
while(i < L+7) C = (C>>>8) ^ T[(C^buf[i++])&0xFF];
return C ^ -1;
function crc32_buf(B, seed) {
var C = seed ^ -1, L = B.length - 15, i = 0;
for(; i < L;) C =
Tf[B[i++] ^ (C & 255)] ^
Te[B[i++] ^ ((C >> 8) & 255)] ^
Td[B[i++] ^ ((C >> 16) & 255)] ^
Tc[B[i++] ^ (C >>> 24)] ^
Tb[B[i++]] ^ Ta[B[i++]] ^ T9[B[i++]] ^ T8[B[i++]] ^
T7[B[i++]] ^ T6[B[i++]] ^ T5[B[i++]] ^ T4[B[i++]] ^
T3[B[i++]] ^ T2[B[i++]] ^ T1[B[i++]] ^ T0[B[i++]];
L += 15;
while(i < L) C = (C>>>8) ^ T0[(C^B[i++])&0xFF];
return ~C;
}
function crc32_str(str, seed) {
var C = seed ^ -1;
for(var i = 0, L=str.length, c, d; i < L;) {
for(var i = 0, L = str.length, c = 0, d = 0; i < L;) {
c = str.charCodeAt(i++);
if(c < 0x80) {
C = (C>>>8) ^ T[(C ^ c)&0xFF];
C = (C>>>8) ^ T0[(C^c)&0xFF];
} else if(c < 0x800) {
C = (C>>>8) ^ T[(C ^ (192|((c>>6)&31)))&0xFF];
C = (C>>>8) ^ T[(C ^ (128|(c&63)))&0xFF];
C = (C>>>8) ^ T0[(C ^ (192|((c>>6)&31)))&0xFF];
C = (C>>>8) ^ T0[(C ^ (128|(c&63)))&0xFF];
} else if(c >= 0xD800 && c < 0xE000) {
c = (c&1023)+64; d = str.charCodeAt(i++)&1023;
C = (C>>>8) ^ T[(C ^ (240|((c>>8)&7)))&0xFF];
C = (C>>>8) ^ T[(C ^ (128|((c>>2)&63)))&0xFF];
C = (C>>>8) ^ T[(C ^ (128|((d>>6)&15)|((c&3)<<4)))&0xFF];
C = (C>>>8) ^ T[(C ^ (128|(d&63)))&0xFF];
C = (C>>>8) ^ T0[(C ^ (240|((c>>8)&7)))&0xFF];
C = (C>>>8) ^ T0[(C ^ (128|((c>>2)&63)))&0xFF];
C = (C>>>8) ^ T0[(C ^ (128|((d>>6)&15)|((c&3)<<4)))&0xFF];
C = (C>>>8) ^ T0[(C ^ (128|(d&63)))&0xFF];
} else {
C = (C>>>8) ^ T[(C ^ (224|((c>>12)&15)))&0xFF];
C = (C>>>8) ^ T[(C ^ (128|((c>>6)&63)))&0xFF];
C = (C>>>8) ^ T[(C ^ (128|(c&63)))&0xFF];
C = (C>>>8) ^ T0[(C ^ (224|((c>>12)&15)))&0xFF];
C = (C>>>8) ^ T0[(C ^ (128|((c>>6)&63)))&0xFF];
C = (C>>>8) ^ T0[(C ^ (128|(c&63)))&0xFF];
}
}
return C ^ -1;
return ~C;
}
CRC32.table = T;
CRC32.table = T0;
CRC32.bstr = crc32_bstr;
CRC32.buf = crc32_buf;
CRC32.str = crc32_str;
}));
return CRC32;
})();
/* [MS-CFB] v20171201 */
var CFB = (function _CFB(){
var exports = {};
@ -577,7 +561,7 @@ function sleuth_fat(idx, cnt, sectors, ssz, fat_addrs) {
if((q = __readInt32LE(sector,i*4)) === ENDOFCHAIN) break;
fat_addrs.push(q);
}
sleuth_fat(__readInt32LE(sector,ssz-4),cnt - 1, sectors, ssz, fat_addrs);
if(cnt >= 1) sleuth_fat(__readInt32LE(sector,ssz-4),cnt - 1, sectors, ssz, fat_addrs);
}
}
@ -695,7 +679,7 @@ function read(blob, options) {
}
switch(type || "base64") {
case "file": return read_file(blob, options);
case "base64": return parse(s2a(Base64.decode(blob)), options);
case "base64": return parse(s2a(Base64_decode(blob)), options);
case "binary": return parse(s2a(blob), options);
}
return parse(blob, options);
@ -753,7 +737,9 @@ function rebuild_cfb(cfb, f) {
for(i = 0; i < data.length; ++i) {
var dad = dirname(data[i][0]);
s = fullPaths[dad];
if(!s) {
while(!s) {
while(dirname(dad) && !fullPaths[dirname(dad)]) dad = dirname(dad);
data.push([dad, ({
name: filename(dad).replace("/",""),
type: 1,
@ -761,8 +747,12 @@ function rebuild_cfb(cfb, f) {
ct: now, mt: now,
content: null
})]);
// Add name to set
fullPaths[dad] = true;
dad = dirname(data[i][0]);
s = fullPaths[dad];
}
}
@ -810,7 +800,7 @@ function _write(cfb, options) {
for(var i = 0; i < cfb.FileIndex.length; ++i) {
var file = cfb.FileIndex[i];
if(!file.content) continue;
var flen = file.content.length;
var flen = file.content.length;
if(flen > 0){
if(flen < 0x1000) mini_size += (flen + 0x3F) >> 6;
else fat_size += (flen + 0x01FF) >> 9;
@ -898,6 +888,10 @@ flen = file.content.length;
file = cfb.FileIndex[i];
if(i === 0) file.start = file.size ? file.start - 1 : ENDOFCHAIN;
var _nm = (i === 0 && _opts.root) || file.name;
if(_nm.length > 32) {
console.error("Name " + _nm + " will be truncated to " + _nm.slice(0,32));
_nm = _nm.slice(0, 32);
}
flen = 2*(_nm.length+1);
o.write_shift(64, _nm, "utf16le");
o.write_shift(2, flen);
@ -1012,7 +1006,7 @@ function write(cfb, options) {
switch(options && options.type || "buffer") {
case "file": get_fs(); fs.writeFileSync(options.filename, (o)); return o;
case "binary": return typeof o == "string" ? o : a2s(o);
case "base64": return Base64.encode(typeof o == "string" ? o : a2s(o));
case "base64": return Base64_encode(typeof o == "string" ? o : a2s(o));
case "buffer": if(has_buf) return Buffer.isBuffer(o) ? o : Buffer_from(o);
/* falls through */
case "array": return typeof o == "string" ? s2a(o) : o;
@ -1202,15 +1196,16 @@ if(!use_typed_arrays) {
for(; i<=279; i++) clens.push(7);
for(; i<=287; i++) clens.push(8);
build_tree(clens, fix_lmap, 288);
})();var _deflateRaw = (function() {
})();var _deflateRaw = (function _deflateRawIIFE() {
var DST_LN_RE = use_typed_arrays ? new Uint8Array(0x8000) : [];
for(var j = 0, k = 0; j < DST_LN.length; ++j) {
var j = 0, k = 0;
for(; j < DST_LN.length - 1; ++j) {
for(; k < DST_LN[j+1]; ++k) DST_LN_RE[k] = j;
}
for(;k < 32768; ++k) DST_LN_RE[k] = 29;
var LEN_LN_RE = use_typed_arrays ? new Uint8Array(0x102) : [];
for(j = 0, k = 0; j < LEN_LN.length; ++j) {
var LEN_LN_RE = use_typed_arrays ? new Uint8Array(0x103) : [];
for(j = 0, k = 0; j < LEN_LN.length - 1; ++j) {
for(; k < LEN_LN[j+1]; ++k) LEN_LN_RE[k] = j;
}
@ -1423,14 +1418,12 @@ function inflate(data, usz) {
var sz = data[boff>>>3] | data[(boff>>>3)+1]<<8;
boff += 32;
/* push sz bytes */
if(!usz && OL < woff + sz) { outbuf = realloc(outbuf, woff + sz); OL = outbuf.length; }
if(typeof data.copy === 'function') {
// $FlowIgnore
data.copy(outbuf, woff, boff>>>3, (boff>>>3)+sz);
woff += sz; boff += 8*sz;
} else while(sz-- > 0) { outbuf[woff++] = data[boff>>>3]; boff += 8; }
if(sz > 0) {
if(!usz && OL < woff + sz) { outbuf = realloc(outbuf, woff + sz); OL = outbuf.length; }
while(sz-- > 0) { outbuf[woff++] = data[boff>>>3]; boff += 8; }
}
continue;
} else if((header >>> 1) == 1) {
} else if((header >> 1) == 1) {
/* Fixed Huffman */
max_len_1 = 9; max_len_2 = 5;
} else {
@ -1475,7 +1468,8 @@ function inflate(data, usz) {
}
}
}
return [usz ? outbuf : outbuf.slice(0, woff), (boff+7)>>>3];
if(usz) return [outbuf, (boff+7)>>>3];
return [outbuf.slice(0, woff), (boff+7)>>>3];
}
function _inflate(payload, usz) {
@ -1722,7 +1716,7 @@ function get_content_type(fi, fp) {
/* 76 character chunks TODO: intertwine encoding */
function write_base64_76(bstr) {
var data = Base64.encode(bstr);
var data = Base64_encode(bstr);
var o = [];
for(var i = 0; i < data.length; i+= 76) o.push(data.slice(i, i+76));
return o.join("\r\n") + "\r\n";
@ -1783,7 +1777,7 @@ function parse_quoted_printable(data) {
}
/* decode */
for(var oi = 0; oi < o.length; ++oi) o[oi] = o[oi].replace(/=[0-9A-Fa-f]{2}/g, function($$) { return String.fromCharCode(parseInt($$.slice(1), 16)); });
for(var oi = 0; oi < o.length; ++oi) o[oi] = o[oi].replace(/[=][0-9A-Fa-f]{2}/g, function($$) { return String.fromCharCode(parseInt($$.slice(1), 16)); });
return s2a(o.join("\r\n"));
}
@ -1803,7 +1797,7 @@ function parse_mime(cfb, data, root) {
}
++di;
switch(cte.toLowerCase()) {
case 'base64': fdata = s2a(Base64.decode(data.slice(di).join(""))); break;
case 'base64': fdata = s2a(Base64_decode(data.slice(di).join(""))); break;
case 'quoted-printable': fdata = parse_quoted_printable(data.slice(di)); break;
default: throw new Error("Unsupported Content-Transfer-Encoding " + cte);
}