V2 Reimplementation & better content.

jagracey · Jun 3, 2016 · e5a68ec · e5a68ec
1 parent bdcce99
commit e5a68ec
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Showing 2 changed files with 27 additions and 31 deletions.
diff --git a/README.md b/README.md
diff --git a/phantom-script.js b/phantom-script.js
@@ -6,7 +6,6 @@
   * Encoder
   */
   var encode = function(payload){
-
     var convert2Ascii = function(text){
       return Array
       .from(text)
@@ -19,53 +18,50 @@
         }
         else
           return char;
-      });
-    };
-
-    var mapping = function(char){
-      if (char > 8)  char+= 2;
-      if (char > 31) char+= 95;
-      return char;
-    };
-
-    var mapCharacters = function(text){
-      return text
-      .split('')
-      .map(x=>x.charCodeAt())
-      .map(x=>{
-        var low  = mapping( x & 0x1F);
-        var high = mapping( x >> 5  );
-        return String.fromCharCode(high, low);
       })
       .join('');
     };
 
-    return mapCharacters( convert2Ascii(payload).join('') );
+    return convert2Ascii(payload)
+      .split('')
+      // Adds 9th bit, then slices it off for zero padding.
+      .map(x=>(0x100 | x.charCodeAt()).toString(2).slice(1))
+      .join('')
+      .split('')
+      .map(x=>String.fromCharCode(x*0xFEFF))
+      .join('');
   };
 
 
-
   /**
   * Decoder
   */
   var decode = function(val){
-    return val
-    .split('')
-    .map(x=>x.charCodeAt())
-    .filter( x=> (x <= 8) || (x >= 11 && x <= 31) || ( x >= 127 && x <= 159) )
-    .map(x=>{
-      if (x > 126) x-= 95;
-      if (x > 10) x-=2;
-      return x;
-    })
-    .reduce((x,cur,i,v)=> i%2? x + String.fromCharCode((v[i-1] << 5) + cur) : x,'');
+    return Array
+      .from(val)
+      .map(x=>x.charCodeAt() && 1 )
+      .join('')
+      .match(/.{8}/g)
+      .map(function(c){
+         return String.fromCharCode(parseInt(c,2))
+      })
+      .join('');
+  };
+
+
+  /**
+  * DecodeEval - Actually eval the decoded payload.
+  */
+  var decodeEval = function(code){
+    []["filter"]["constructor"]( decode(code) )();
   };
 
 
 
   var phantomScript = {
     encode: encode,
-    decode: decode
+    decode: decode,
+    decodeEval: decodeEval
   }
 
   typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = phantomScript :