2017-07-28 17:53:08 +00:00
|
|
|
var Base64=function(){var map="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";return{decode:function(input){var o="";var c1,c2,c3;var e1,e2,e3,e4;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 chr0=/\u0000/g,chr1=/[\u0001-\u0006]/;var s2a=function _s2a(s){return s.split("").map(function(x){return x.charCodeAt(0)&255})};var _s2a=s2a;var __toBuffer=function(bufs){var x=[];for(var i=0;i<bufs[0].length;++i){x.push.apply(x,bufs[0][i])}return x};var ___toBuffer=__toBuffer;var __utf16le=function(b,s,e){var ss=[];for(var i=s;i<e;i+=2)ss.push(String.fromCharCode(__readUInt16LE(b,i)));return ss.join("").replace(chr0,"").replace(chr1,"!")};var ___utf16le=__utf16le;var __hexlify=function(b,s,l){var ss=[];for(var i=s;i<s+l;++i)ss.push(("0"+b[i].toString(16)).slice(-2));return ss.join("")};var ___hexlify=__hexlify;var __bconcat=function(bufs){if(Array.isArray(bufs[0]))return[].concat.apply([],bufs);var maxlen=0,i=0;for(i=0;i<bufs.length;++i)maxlen+=bufs[i].length;var o=new Uint8Array(maxlen);for(i=0,maxlen=0;i<bufs.length;maxlen+=bufs[i].length,++i)o.set(bufs[i],maxlen);return o};var bconcat=__bconcat;if(typeof Buffer!=="undefined"){__utf16le=function(b,s,e){if(!Buffer.isBuffer(b))return ___utf16le(b,s,e);return b.toString("utf16le",s,e).replace(chr0,"").replace(chr1,"!")};__hexlify=function(b,s,l){return Buffer.isBuffer(b)?b.toString("hex",s,s+l):___hexlify(b,s,l)};__toBuffer=function(bufs){return bufs[0].length>0&&Buffer.isBuffer(bufs[0][0])?Buffer.concat(bufs[0]):___toBuffer(bufs)};s2a=function(s){return new Buffer(s,"binary")};bconcat=function(bufs){return Buffer.isBuffer(bufs[0])?Buffer.concat(bufs):__bconcat(bufs)}}var __readUInt8=function(b,idx){return b[idx]};var __readUInt16LE=function(b,idx){return b[idx+1]*(1<<8)+b[idx]};var __readInt16LE=function(b,idx){var u=b[idx+1]*(1<<8)+b[idx];return u<32768?u:(65535-u+1)*-1};var __readUInt32LE=function(b,idx){return b[idx+3]*(1<<24)+(b[idx+2]<<16)+(b[idx+1]<<8)+b[idx]};var __readInt32LE=function(b,idx){return(b[idx+3]<<24)+(b[idx+2]<<16)+(b[idx+1]<<8)+b[idx]};function ReadShift(size,t){var oI,oS,type=0;switch(size){case 1:oI=__readUInt8(this,this.l);break;case 2:oI=(t!=="i"?__readUInt16LE:__readInt16LE)(this,this.l);break;case 4:oI=__readInt32LE(this,this.l);break;case 16:type=2;oS=__hexlify(this,this.l,size);}this.l+=size;if(type===0)return oI;return oS}function CheckField(hexstr,fld){var m=__hexlify(this,this.l,hexstr.length>>1);if(m!==hexstr)throw new Error(fld+"Expected "+hexstr+" saw "+m);this.l+=hexstr.length>>1}function prep_blob(blob,pos){blob.l=pos;blob.read_shift=ReadShift;blob.chk=CheckField}var CFB=function _CFB(){var exports={};exports.version="0.12.0";function parse(file,options){var mver=3;var ssz=512;var nmfs=0;var ndfs=0;var dir_start=0;var minifat_start=0;var difat_start=0;var fat_addrs=[];var blob=file.slice(0,512);prep_blob(blob,0);var mv=check_get_mver(blob);mver=mv[0];switch(mver){case 3:ssz=512;break;case 4:ssz=4096;break;default:throw new Error("Major Version: Expected 3 or 4 saw "+mver);}if(ssz!==512){blob=file.slice(0,ssz);prep_blob(blob,28)}var header=file.slice(0,ssz);check_shifts(blob,mver);var nds=blob.read_shift(4,"i");if(mver===3&&nds!==0)throw new Error("# Directory Sectors: Expected 0 saw "+nds);blob.l+=4;dir_start=blob.read_shift(4,"i");blob.l+=4;blob.chk("00100000","Mini Stream Cutoff Size: ");minifat_start=blob.read_shift(4,"i");nmfs=blob.read_shift(4,"i");difat_start=blob.read_shift(4,"i");ndfs=blob.read_shift(4,"i");for(var q=-1,j=0;j<109;++j){q=blob.read_shift(4,"i");if(q<0)break;fat_addrs[j]=q}var sectors=sectorify(file,ssz);sleuth_fat(difat_start,ndfs,sectors,ssz,fat_addrs);var sector_list=make_sector_list(sectors,dir_start,fat_addrs,ssz);sector_list[dir_start].name="!Directory";if(nmfs>0&&minifa
|
