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filer/lib/unzip.js

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Switched to zlib.js, all tests passing
2014-03-26 17:57:16 +00:00
/** @license zlib.js 2012 - imaya [ https://github.com/imaya/zlib.js ] The MIT License */(function() {'use strict';function m(a){throw a;}var q=void 0,u,aa=this;function v(a,b){var c=a.split("."),d=aa;!(c[0]in d)&&d.execScript&&d.execScript("var "+c[0]);for(var f;c.length&&(f=c.shift());)!c.length&&b!==q?d[f]=b:d=d[f]?d[f]:d[f]={}};var w="undefined"!==typeof Uint8Array&&"undefined"!==typeof Uint16Array&&"undefined"!==typeof Uint32Array&&"undefined"!==typeof DataView;new (w?Uint8Array:Array)(256);var x;for(x=0;256>x;++x)for(var y=x,ba=7,y=y>>>1;y;y>>>=1)--ba;var z=[0,1996959894,3993919788,2567524794,124634137,1886057615,3915621685,2657392035,249268274,2044508324,3772115230,2547177864,162941995,2125561021,3887607047,2428444049,498536548,1789927666,4089016648,2227061214,450548861,1843258603,4107580753,2211677639,325883990,1684777152,4251122042,2321926636,335633487,1661365465,4195302755,2366115317,997073096,1281953886,3579855332,2724688242,1006888145,1258607687,3524101629,2768942443,901097722,1119000684,3686517206,2898065728,853044451,1172266101,3705015759,
2882616665,651767980,1373503546,3369554304,3218104598,565507253,1454621731,3485111705,3099436303,671266974,1594198024,3322730930,2970347812,795835527,1483230225,3244367275,3060149565,1994146192,31158534,2563907772,4023717930,1907459465,112637215,2680153253,3904427059,2013776290,251722036,2517215374,3775830040,2137656763,141376813,2439277719,3865271297,1802195444,476864866,2238001368,4066508878,1812370925,453092731,2181625025,4111451223,1706088902,314042704,2344532202,4240017532,1658658271,366619977,
2362670323,4224994405,1303535960,984961486,2747007092,3569037538,1256170817,1037604311,2765210733,3554079995,1131014506,879679996,2909243462,3663771856,1141124467,855842277,2852801631,3708648649,1342533948,654459306,3188396048,3373015174,1466479909,544179635,3110523913,3462522015,1591671054,702138776,2966460450,3352799412,1504918807,783551873,3082640443,3233442989,3988292384,2596254646,62317068,1957810842,3939845945,2647816111,81470997,1943803523,3814918930,2489596804,225274430,2053790376,3826175755,
2466906013,167816743,2097651377,4027552580,2265490386,503444072,1762050814,4150417245,2154129355,426522225,1852507879,4275313526,2312317920,282753626,1742555852,4189708143,2394877945,397917763,1622183637,3604390888,2714866558,953729732,1340076626,3518719985,2797360999,1068828381,1219638859,3624741850,2936675148,906185462,1090812512,3747672003,2825379669,829329135,1181335161,3412177804,3160834842,628085408,1382605366,3423369109,3138078467,570562233,1426400815,3317316542,2998733608,733239954,1555261956,
3268935591,3050360625,752459403,1541320221,2607071920,3965973030,1969922972,40735498,2617837225,3943577151,1913087877,83908371,2512341634,3803740692,2075208622,213261112,2463272603,3855990285,2094854071,198958881,2262029012,4057260610,1759359992,534414190,2176718541,4139329115,1873836001,414664567,2282248934,4279200368,1711684554,285281116,2405801727,4167216745,1634467795,376229701,2685067896,3608007406,1308918612,956543938,2808555105,3495958263,1231636301,1047427035,2932959818,3654703836,1088359270,
936918E3,2847714899,3736837829,1202900863,817233897,3183342108,3401237130,1404277552,615818150,3134207493,3453421203,1423857449,601450431,3009837614,3294710456,1567103746,711928724,3020668471,3272380065,1510334235,755167117],B=w?new Uint32Array(z):z;function C(a){var b=a.length,c=0,d=Number.POSITIVE_INFINITY,f,h,k,e,g,l,p,s,r,A;for(s=0;s<b;++s)a[s]>c&&(c=a[s]),a[s]<d&&(d=a[s]);f=1<<c;h=new (w?Uint32Array:Array)(f);k=1;e=0;for(g=2;k<=c;){for(s=0;s<b;++s)if(a[s]===k){l=0;p=e;for(r=0;r<k;++r)l=l<<1|p&1,p>>=1;A=k<<16|s;for(r=l;r<f;r+=g)h[r]=A;++e}++k;e<<=1;g<<=1}return[h,c,d]};var D=[],E;for(E=0;288>E;E++)switch(!0){case 143>=E:D.push([E+48,8]);break;case 255>=E:D.push([E-144+400,9]);break;case 279>=E:D.push([E-256+0,7]);break;case 287>=E:D.push([E-280+192,8]);break;default:m("invalid literal: "+E)}
var ca=function(){function a(a){switch(!0){case 3===a:return[257,a-3,0];case 4===a:return[258,a-4,0];case 5===a:return[259,a-5,0];case 6===a:return[260,a-6,0];case 7===a:return[261,a-7,0];case 8===a:return[262,a-8,0];case 9===a:return[263,a-9,0];case 10===a:return[264,a-10,0];case 12>=a:return[265,a-11,1];case 14>=a:return[266,a-13,1];case 16>=a:return[267,a-15,1];case 18>=a:return[268,a-17,1];case 22>=a:return[269,a-19,2];case 26>=a:return[270,a-23,2];case 30>=a:return[271,a-27,2];case 34>=a:return[272,
a-31,2];case 42>=a:return[273,a-35,3];case 50>=a:return[274,a-43,3];case 58>=a:return[275,a-51,3];case 66>=a:return[276,a-59,3];case 82>=a:return[277,a-67,4];case 98>=a:return[278,a-83,4];case 114>=a:return[279,a-99,4];case 130>=a:return[280,a-115,4];case 162>=a:return[281,a-131,5];case 194>=a:return[282,a-163,5];case 226>=a:return[283,a-195,5];case 257>=a:return[284,a-227,5];case 258===a:return[285,a-258,0];default:m("invalid length: "+a)}}var b=[],c,d;for(c=3;258>=c;c++)d=a(c),b[c]=d[2]<<24|d[1]<<
16|d[0];return b}();w&&new Uint32Array(ca);function F(a,b){this.l=[];this.m=32768;this.d=this.f=this.c=this.t=0;this.input=w?new Uint8Array(a):a;this.u=!1;this.n=G;this.L=!1;if(b||!(b={}))b.index&&(this.c=b.index),b.bufferSize&&(this.m=b.bufferSize),b.bufferType&&(this.n=b.bufferType),b.resize&&(this.L=b.resize);switch(this.n){case H:this.a=32768;this.b=new (w?Uint8Array:Array)(32768+this.m+258);break;case G:this.a=0;this.b=new (w?Uint8Array:Array)(this.m);this.e=this.X;this.B=this.S;this.q=this.W;break;default:m(Error("invalid inflate mode"))}}
var H=0,G=1;
F.prototype.r=function(){for(;!this.u;){var a=I(this,3);a&1&&(this.u=!0);a>>>=1;switch(a){case 0:var b=this.input,c=this.c,d=this.b,f=this.a,h=b.length,k=q,e=q,g=d.length,l=q;this.d=this.f=0;c+1>=h&&m(Error("invalid uncompressed block header: LEN"));k=b[c++]|b[c++]<<8;c+1>=h&&m(Error("invalid uncompressed block header: NLEN"));e=b[c++]|b[c++]<<8;k===~e&&m(Error("invalid uncompressed block header: length verify"));c+k>b.length&&m(Error("input buffer is broken"));switch(this.n){case H:for(;f+k>d.length;){l=
g-f;k-=l;if(w)d.set(b.subarray(c,c+l),f),f+=l,c+=l;else for(;l--;)d[f++]=b[c++];this.a=f;d=this.e();f=this.a}break;case G:for(;f+k>d.length;)d=this.e({H:2});break;default:m(Error("invalid inflate mode"))}if(w)d.set(b.subarray(c,c+k),f),f+=k,c+=k;else for(;k--;)d[f++]=b[c++];this.c=c;this.a=f;this.b=d;break;case 1:this.q(da,ea);break;case 2:fa(this);break;default:m(Error("unknown BTYPE: "+a))}}return this.B()};
var J=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15],K=w?new Uint16Array(J):J,L=[3,4,5,6,7,8,9,10,11,13,15,17,19,23,27,31,35,43,51,59,67,83,99,115,131,163,195,227,258,258,258],M=w?new Uint16Array(L):L,ga=[0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0,0,0],O=w?new Uint8Array(ga):ga,ha=[1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577],ia=w?new Uint16Array(ha):ha,ja=[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],P=w?new Uint8Array(ja):ja,Q=new (w?Uint8Array:Array)(288),R,la;R=0;for(la=Q.length;R<la;++R)Q[R]=143>=R?8:255>=R?9:279>=R?7:8;var da=C(Q),S=new (w?Uint8Array:Array)(30),T,ma;T=0;for(ma=S.length;T<ma;++T)S[T]=5;var ea=C(S);function I(a,b){for(var c=a.f,d=a.d,f=a.input,h=a.c,k=f.length,e;d<b;)h>=k&&m(Error("input buffer is broken")),c|=f[h++]<<d,d+=8;e=c&(1<<b)-1;a.f=c>>>b;a.d=d-b;a.c=h;return e}
function U(a,b){for(var c=a.f,d=a.d,f=a.input,h=a.c,k=f.length,e=b[0],g=b[1],l,p;d<g&&!(h>=k);)c|=f[h++]<<d,d+=8;l=e[c&(1<<g)-1];p=l>>>16;a.f=c>>p;a.d=d-p;a.c=h;return l&65535}
function fa(a){function b(a,b,c){var d,e=this.K,f,g;for(g=0;g<a;)switch(d=U(this,b),d){case 16:for(f=3+I(this,2);f--;)c[g++]=e;break;case 17:for(f=3+I(this,3);f--;)c[g++]=0;e=0;break;case 18:for(f=11+I(this,7);f--;)c[g++]=0;e=0;break;default:e=c[g++]=d}this.K=e;return c}var c=I(a,5)+257,d=I(a,5)+1,f=I(a,4)+4,h=new (w?Uint8Array:Array)(K.length),k,e,g,l;for(l=0;l<f;++l)h[K[l]]=I(a,3);if(!w){l=f;for(f=h.length;l<f;++l)h[K[l]]=0}k=C(h);e=new (w?Uint8Array:Array)(c);g=new (w?Uint8Array:Array)(d);a.K=
0;a.q(C(b.call(a,c,k,e)),C(b.call(a,d,k,g)))}u=F.prototype;u.q=function(a,b){var c=this.b,d=this.a;this.C=a;for(var f=c.length-258,h,k,e,g;256!==(h=U(this,a));)if(256>h)d>=f&&(this.a=d,c=this.e(),d=this.a),c[d++]=h;else{k=h-257;g=M[k];0<O[k]&&(g+=I(this,O[k]));h=U(this,b);e=ia[h];0<P[h]&&(e+=I(this,P[h]));d>=f&&(this.a=d,c=this.e(),d=this.a);for(;g--;)c[d]=c[d++-e]}for(;8<=this.d;)this.d-=8,this.c--;this.a=d};
u.W=function(a,b){var c=this.b,d=this.a;this.C=a;for(var f=c.length,h,k,e,g;256!==(h=U(this,a));)if(256>h)d>=f&&(c=this.e(),f=c.length),c[d++]=h;else{k=h-257;g=M[k];0<O[k]&&(g+=I(this,O[k]));h=U(this,b);e=ia[h];0<P[h]&&(e+=I(this,P[h]));d+g>f&&(c=this.e(),f=c.length);for(;g--;)c[d]=c[d++-e]}for(;8<=this.d;)this.d-=8,this.c--;this.a=d};
u.e=function(){var a=new (w?Uint8Array:Array)(this.a-32768),b=this.a-32768,c,d,f=this.b;if(w)a.set(f.subarray(32768,a.length));else{c=0;for(d=a.length;c<d;++c)a[c]=f[c+32768]}this.l.push(a);this.t+=a.length;if(w)f.set(f.subarray(b,b+32768));else for(c=0;32768>c;++c)f[c]=f[b+c];this.a=32768;return f};
u.X=function(a){var b,c=this.input.length/this.c+1|0,d,f,h,k=this.input,e=this.b;a&&("number"===typeof a.H&&(c=a.H),"number"===typeof a.Q&&(c+=a.Q));2>c?(d=(k.length-this.c)/this.C[2],h=258*(d/2)|0,f=h<e.length?e.length+h:e.length<<1):f=e.length*c;w?(b=new Uint8Array(f),b.set(e)):b=e;return this.b=b};
u.B=function(){var a=0,b=this.b,c=this.l,d,f=new (w?Uint8Array:Array)(this.t+(this.a-32768)),h,k,e,g;if(0===c.length)return w?this.b.subarray(32768,this.a):this.b.slice(32768,this.a);h=0;for(k=c.length;h<k;++h){d=c[h];e=0;for(g=d.length;e<g;++e)f[a++]=d[e]}h=32768;for(k=this.a;h<k;++h)f[a++]=b[h];this.l=[];return this.buffer=f};
u.S=function(){var a,b=this.a;w?this.L?(a=new Uint8Array(b),a.set(this.b.subarray(0,b))):a=this.b.subarray(0,b):(this.b.length>b&&(this.b.length=b),a=this.b);return this.buffer=a};function V(a){a=a||{};this.files=[];this.v=a.comment}V.prototype.M=function(a){this.j=a};V.prototype.s=function(a){var b=a[2]&65535|2;return b*(b^1)>>8&255};V.prototype.k=function(a,b){a[0]=(B[(a[0]^b)&255]^a[0]>>>8)>>>0;a[1]=(6681*(20173*(a[1]+(a[0]&255))>>>0)>>>0)+1>>>0;a[2]=(B[(a[2]^a[1]>>>24)&255]^a[2]>>>8)>>>0};V.prototype.U=function(a){var b=[305419896,591751049,878082192],c,d;w&&(b=new Uint32Array(b));c=0;for(d=a.length;c<d;++c)this.k(b,a[c]&255);return b};function W(a,b){b=b||{};this.input=w&&a instanceof Array?new Uint8Array(a):a;this.c=0;this.ca=b.verify||!1;this.j=b.password}var na={P:0,N:8},X=[80,75,1,2],Y=[80,75,3,4],Z=[80,75,5,6];function oa(a,b){this.input=a;this.offset=b}
oa.prototype.parse=function(){var a=this.input,b=this.offset;(a[b++]!==X[0]||a[b++]!==X[1]||a[b++]!==X[2]||a[b++]!==X[3])&&m(Error("invalid file header signature"));this.version=a[b++];this.ja=a[b++];this.$=a[b++]|a[b++]<<8;this.I=a[b++]|a[b++]<<8;this.A=a[b++]|a[b++]<<8;this.time=a[b++]|a[b++]<<8;this.V=a[b++]|a[b++]<<8;this.p=(a[b++]|a[b++]<<8|a[b++]<<16|a[b++]<<24)>>>0;this.z=(a[b++]|a[b++]<<8|a[b++]<<16|a[b++]<<24)>>>0;this.J=(a[b++]|a[b++]<<8|a[b++]<<16|a[b++]<<24)>>>0;this.h=a[b++]|a[b++]<<
8;this.g=a[b++]|a[b++]<<8;this.F=a[b++]|a[b++]<<8;this.fa=a[b++]|a[b++]<<8;this.ha=a[b++]|a[b++]<<8;this.ga=a[b++]|a[b++]<<8|a[b++]<<16|a[b++]<<24;this.aa=(a[b++]|a[b++]<<8|a[b++]<<16|a[b++]<<24)>>>0;this.filename=String.fromCharCode.apply(null,w?a.subarray(b,b+=this.h):a.slice(b,b+=this.h));this.Y=w?a.subarray(b,b+=this.g):a.slice(b,b+=this.g);this.v=w?a.subarray(b,b+this.F):a.slice(b,b+this.F);this.length=b-this.offset};function pa(a,b){this.input=a;this.offset=b}var qa={O:1,da:8,ea:2048};
pa.prototype.parse=function(){var a=this.input,b=this.offset;(a[b++]!==Y[0]||a[b++]!==Y[1]||a[b++]!==Y[2]||a[b++]!==Y[3])&&m(Error("invalid local file header signature"));this.$=a[b++]|a[b++]<<8;this.I=a[b++]|a[b++]<<8;this.A=a[b++]|a[b++]<<8;this.time=a[b++]|a[b++]<<8;this.V=a[b++]|a[b++]<<8;this.p=(a[b++]|a[b++]<<8|a[b++]<<16|a[b++]<<24)>>>0;this.z=(a[b++]|a[b++]<<8|a[b++]<<16|a[b++]<<24)>>>0;this.J=(a[b++]|a[b++]<<8|a[b++]<<16|a[b++]<<24)>>>0;this.h=a[b++]|a[b++]<<8;this.g=a[b++]|a[b++]<<8;this.filename=
String.fromCharCode.apply(null,w?a.subarray(b,b+=this.h):a.slice(b,b+=this.h));this.Y=w?a.subarray(b,b+=this.g):a.slice(b,b+=this.g);this.length=b-this.offset};
function $(a){var b=[],c={},d,f,h,k;if(!a.i){if(a.o===q){var e=a.input,g;if(!a.D)a:{var l=a.input,p;for(p=l.length-12;0<p;--p)if(l[p]===Z[0]&&l[p+1]===Z[1]&&l[p+2]===Z[2]&&l[p+3]===Z[3]){a.D=p;break a}m(Error("End of Central Directory Record not found"))}g=a.D;(e[g++]!==Z[0]||e[g++]!==Z[1]||e[g++]!==Z[2]||e[g++]!==Z[3])&&m(Error("invalid signature"));a.ia=e[g++]|e[g++]<<8;a.ka=e[g++]|e[g++]<<8;a.la=e[g++]|e[g++]<<8;a.ba=e[g++]|e[g++]<<8;a.R=(e[g++]|e[g++]<<8|e[g++]<<16|e[g++]<<24)>>>0;a.o=(e[g++]|
e[g++]<<8|e[g++]<<16|e[g++]<<24)>>>0;a.w=e[g++]|e[g++]<<8;a.v=w?e.subarray(g,g+a.w):e.slice(g,g+a.w)}d=a.o;h=0;for(k=a.ba;h<k;++h)f=new oa(a.input,d),f.parse(),d+=f.length,b[h]=f,c[f.filename]=h;a.R<d-a.o&&m(Error("invalid file header size"));a.i=b;a.G=c}}u=W.prototype;u.Z=function(){var a=[],b,c,d;this.i||$(this);d=this.i;b=0;for(c=d.length;b<c;++b)a[b]=d[b].filename;return a};
u.r=function(a,b){var c;this.G||$(this);c=this.G[a];c===q&&m(Error(a+" not found"));var d;d=b||{};var f=this.input,h=this.i,k,e,g,l,p,s,r,A;h||$(this);h[c]===q&&m(Error("wrong index"));e=h[c].aa;k=new pa(this.input,e);k.parse();e+=k.length;g=k.z;if(0!==(k.I&qa.O)){!d.password&&!this.j&&m(Error("please set password"));s=this.T(d.password||this.j);r=e;for(A=e+12;r<A;++r)ra(this,s,f[r]);e+=12;g-=12;r=e;for(A=e+g;r<A;++r)f[r]=ra(this,s,f[r])}switch(k.A){case na.P:l=w?this.input.subarray(e,e+g):this.input.slice(e,
e+g);break;case na.N:l=(new F(this.input,{index:e,bufferSize:k.J})).r();break;default:m(Error("unknown compression type"))}if(this.ca){var t=q,n,N="number"===typeof t?t:t=0,ka=l.length;n=-1;for(N=ka&7;N--;++t)n=n>>>8^B[(n^l[t])&255];for(N=ka>>3;N--;t+=8)n=n>>>8^B[(n^l[t])&255],n=n>>>8^B[(n^l[t+1])&255],n=n>>>8^B[(n^l[t+2])&255],n=n>>>8^B[(n^l[t+3])&255],n=n>>>8^B[(n^l[t+4])&255],n=n>>>8^B[(n^l[t+5])&255],n=n>>>8^B[(n^l[t+6])&255],n=n>>>8^B[(n^l[t+7])&255];p=(n^4294967295)>>>0;k.p!==p&&m(Error("wrong crc: file=0x"+
k.p.toString(16)+", data=0x"+p.toString(16)))}return l};u.M=function(a){this.j=a};function ra(a,b,c){c^=a.s(b);a.k(b,c);return c}u.k=V.prototype.k;u.T=V.prototype.U;u.s=V.prototype.s;v("Zlib.Unzip",W);v("Zlib.Unzip.prototype.decompress",W.prototype.r);v("Zlib.Unzip.prototype.getFilenames",W.prototype.Z);v("Zlib.Unzip.prototype.setPassword",W.prototype.M);}).call(this);