Minor Change (oops)

src/Corrosion/lib/codec.js

@@ -0,0 +1,66 @@
+exports.xor = {
+    encode(str){
+        if (!str) return str;
+        return encodeURIComponent(str.toString().split('').map((char, ind) => ind % 2 ? String.fromCharCode(char.charCodeAt() ^ 2) : char).join(''));
+    },
+    decode(str){
+        if (!str) return str;
+        return decodeURIComponent(str).split('').map((char, ind) => ind % 2 ? String.fromCharCode(char.charCodeAt() ^ 2) : char).join('');
+    },
+};
+exports.plain = {
+    encode(str) {
+        if (!str) return str;
+        return encodeURIComponent(str);
+    },
+    decode(str) {
+        if (!str) return str;
+        return decodeURIComponent(str);
+    },
+};
+exports.base64 = {
+    encode(str){
+        if (!str) return str;
+        str = str.toString();
+        const b64chs = Array.from('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=');
+        let u32;
+        let c0; 
+        let c1; 
+        let c2; 
+        let asc = '';
+        let pad = str.length % 3;
+        
+        for (let i = 0; i < str.length;) {
+            if((c0 = str.charCodeAt(i++)) > 255 || (c1 = str.charCodeAt(i++)) > 255 || (c2 = str.charCodeAt(i++)) > 255)throw new TypeError('invalid character found');
+            u32 = (c0 << 16) | (c1 << 8) | c2;
+            asc += b64chs[u32 >> 18 & 63]
+                + b64chs[u32 >> 12 & 63]
+                + b64chs[u32 >> 6 & 63]
+                + b64chs[u32 & 63];
+        }
+        
+        return encodeURIComponent(pad ? asc.slice(0, pad - 3) + '==='.substr(pad) : asc);
+    },
+    decode(str){
+        if (!str) return str;
+        str = decodeURIComponent(str.toString());
+        const b64tab = {"0":52,"1":53,"2":54,"3":55,"4":56,"5":57,"6":58,"7":59,"8":60,"9":61,"A":0,"B":1,"C":2,"D":3,"E":4,"F":5,"G":6,"H":7,"I":8,"J":9,"K":10,"L":11,"M":12,"N":13,"O":14,"P":15,"Q":16,"R":17,"S":18,"T":19,"U":20,"V":21,"W":22,"X":23,"Y":24,"Z":25,"a":26,"b":27,"c":28,"d":29,"e":30,"f":31,"g":32,"h":33,"i":34,"j":35,"k":36,"l":37,"m":38,"n":39,"o":40,"p":41,"q":42,"r":43,"s":44,"t":45,"u":46,"v":47,"w":48,"x":49,"y":50,"z":51,"+":62,"/":63,"=":64};
+        str = str.replace(/\s+/g, '');        
+        str += '=='.slice(2 - (str.length & 3));
+        let u24;
+        let bin = '';
+        let r1;
+        let r2;
+        
+        for (let i = 0; i < str.length;) {
+            u24 = b64tab[str.charAt(i++)] << 18
+            | b64tab[str.charAt(i++)] << 12
+            | (r1 = b64tab[str.charAt(i++)]) << 6
+            | (r2 = b64tab[str.charAt(i++)]);
+            bin += r1 === 64 ? String.fromCharCode(u24 >> 16 & 255)
+                : r2 === 64 ? String.fromCharCode(u24 >> 16 & 255, u24 >> 8 & 255)
+                    : String.fromCharCode(u24 >> 16 & 255, u24 >> 8 & 255, u24 & 255);
+        };
+        return bin;
+    },
+};