Viewing File: /usr/local/cpanel/base/sharedjs/asn1_optimized.js

(function(undefined){"use strict";var hardLimit=100,ellipsis="…",DOM={tag:function(tagName,className){var t=document.createElement(tagName);t.className=className;return t},text:function(str){return document.createTextNode(str)}};function Stream(enc,pos){if(enc instanceof Stream){this.enc=enc.enc;this.pos=enc.pos}else{this.enc=enc;this.pos=pos}}Stream.prototype.get=function(pos){if(pos===undefined)pos=this.pos++;if(pos>=this.enc.length)throw"Requesting byte offset "+pos+" on a stream of length "+this.enc.length;return this.enc[pos]};Stream.prototype.hexDigits="0123456789ABCDEF";Stream.prototype.hexByte=function(b){return this.hexDigits.charAt(b>>4&15)+this.hexDigits.charAt(b&15)};Stream.prototype.parseStringBMP=function(start,end){var char_codes=[];for(var i=start;i<end;i+=2){var high_byte=this.get(i);var low_byte=this.get(i+1);char_codes.push((high_byte<<8)+low_byte)}return String.fromCharCode.apply(String,char_codes)};Stream.prototype.parseStringISO=function(start,end){var s="";for(var i=start;i<end;++i)s+=String.fromCharCode(this.get(i));return s};Stream.prototype.parseStringUTF=function(start,end){var s="";for(var i=start;i<end;){var c=this.get(i++);if(c<128)s+=String.fromCharCode(c);else if(c>191&&c<224)s+=String.fromCharCode((c&31)<<6|this.get(i++)&63);else s+=String.fromCharCode((c&15)<<12|(this.get(i++)&63)<<6|this.get(i++)&63)}return s};Stream.prototype.parseInteger=function(start,end){var len=end-start;if(len>4){len<<=3;var s=this.get(start);if(s===0)len-=8;else while(s<128){s<<=1;--len}return"("+len+" bit)"}var n=0;for(var i=start;i<end;++i)n=n<<8|this.get(i);return n};Stream.prototype.parseBitString=function(start,end){var unusedBit=this.get(start),lenBit=(end-start-1<<3)-unusedBit,s="("+lenBit+" bit)";if(lenBit<=20){var skip=unusedBit;s+=" ";for(var i=end-1;i>start;--i){var b=this.get(i);for(var j=skip;j<8;++j)s+=b>>j&1?"1":"0";skip=0}}return s};Stream.prototype.parseOctetString=function(start,end){var len=end-start,s="("+len+" byte) ";if(len>hardLimit)end=start+hardLimit;for(var i=start;i<end;++i)s+=this.hexByte(this.get(i));if(len>hardLimit)s+=ellipsis;return s};Stream.prototype.parseOID=function(start,end){var s="",n=0,bits=0;for(var i=start;i<end;++i){var v=this.get(i);n=n<<7|v&127;bits+=7;if(!(v&128)){if(s===""){var m=n<80?n<40?0:1:2;s=m+"."+(n-m*40)}else s+="."+(bits>=31?"bigint":n);n=bits=0}}return s};function ASN1(stream,header,length,tag,sub){this.stream=stream;this.header=header;this.length=length;this.tag=tag;this.sub=sub}ASN1.prototype.reSeemsASCII=/^[ -~]+$/;ASN1.prototype.content=function(){if(this.tag===undefined)return null;var tagClass=this.tag>>6,tagNumber=this.tag&31,content=this.posContent(),len=Math.abs(this.length);if(tagClass!==0){if(this.sub!==null)return"("+this.sub.length+" elem)";var s=this.stream.parseStringISO(content,content+Math.min(len,hardLimit));if(this.reSeemsASCII.test(s))return s.substring(0,2*hardLimit)+(s.length>2*hardLimit?ellipsis:"");else return this.stream.parseOctetString(content,content+len)}switch(tagNumber){case 1:return this.stream.get(content)===0?"false":"true";case 2:return this.stream.parseInteger(content,content+len);case 3:return this.sub?"("+this.sub.length+" elem)":this.stream.parseBitString(content,content+len);case 4:return this.sub?"("+this.sub.length+" elem)":this.stream.parseOctetString(content,content+len);case 6:return this.stream.parseOID(content,content+len);case 16:case 17:return"("+this.sub.length+" elem)";case 12:return this.stream.parseStringUTF(content,content+len);case 18:case 19:case 20:case 21:case 22:case 26:return this.stream.parseStringISO(content,content+len);case 23:case 24:return this.stream.parseTime(content,content+len);case 30:return this.stream.parseStringBMP(content,content+len)}return null};ASN1.prototype.posStart=function(){return this.stream.pos};ASN1.prototype.posContent=function(){return this.stream.pos+this.header};ASN1.prototype.posEnd=function(){return this.stream.pos+this.header+Math.abs(this.length)};ASN1.decodeLength=function(stream){var buf=stream.get(),len=buf&127;if(len==buf)return len;if(len>3)throw"Length over 24 bits not supported at position "+(stream.pos-1);if(len===0)return-1;buf=0;for(var i=0;i<len;++i)buf=buf<<8|stream.get();return buf};ASN1.decode=function(stream){if(!(stream instanceof Stream))stream=new Stream(stream,0);var streamStart=new Stream(stream),tag=stream.get(),len=ASN1.decodeLength(stream),header=stream.pos-streamStart.pos,sub=null;if(tag&32){var start=stream.pos;if(tag==3)stream.get();sub=[];if(len>=0){var end=start+len;while(stream.pos<end)sub[sub.length]=ASN1.decode(stream);if(stream.pos!=end)throw"Content size is not correct for container starting at offset "+start}else{try{for(;;){var s=ASN1.decode(stream);if(s.tag===0)break;sub[sub.length]=s}len=start-stream.pos}catch(e){throw"Exception while decoding undefined length content: "+e}}}else stream.pos+=len;return new ASN1(streamStart,header,len,tag,sub)};window.ASN1=ASN1})();