upgrade base-x to 5.0.1

js/base-x-5.0.1.js

@@ -7,47 +7,47 @@
 (function(){
 this.baseX = function base (ALPHABET) {
   if (ALPHABET.length >= 255) { throw new TypeError('Alphabet too long') }
-  var BASE_MAP = new Uint8Array(256)
-  for (var j = 0; j < BASE_MAP.length; j++) {
+  const BASE_MAP = new Uint8Array(256)
+  for (let j = 0; j < BASE_MAP.length; j++) {
     BASE_MAP[j] = 255
   }
-  for (var i = 0; i < ALPHABET.length; i++) {
-    var x = ALPHABET.charAt(i)
-    var xc = x.charCodeAt(0)
+  for (let i = 0; i < ALPHABET.length; i++) {
+    const x = ALPHABET.charAt(i)
+    const xc = x.charCodeAt(0)
     if (BASE_MAP[xc] !== 255) { throw new TypeError(x + ' is ambiguous') }
     BASE_MAP[xc] = i
   }
-  var BASE = ALPHABET.length
-  var LEADER = ALPHABET.charAt(0)
-  var FACTOR = Math.log(BASE) / Math.log(256) // log(BASE) / log(256), rounded up
-  var iFACTOR = Math.log(256) / Math.log(BASE) // log(256) / log(BASE), rounded up
+  const BASE = ALPHABET.length
+  const LEADER = ALPHABET.charAt(0)
+  const FACTOR = Math.log(BASE) / Math.log(256) // log(BASE) / log(256), rounded up
+  const iFACTOR = Math.log(256) / Math.log(BASE) // log(256) / log(BASE), rounded up
   function encode (source) {
-    if (source instanceof Uint8Array) {
-    } else if (ArrayBuffer.isView(source)) {
+    // eslint-disable-next-line no-empty
+    if (source instanceof Uint8Array) { } else if (ArrayBuffer.isView(source)) {
       source = new Uint8Array(source.buffer, source.byteOffset, source.byteLength)
     } else if (Array.isArray(source)) {
       source = Uint8Array.from(source)
     }
     if (!(source instanceof Uint8Array)) { throw new TypeError('Expected Uint8Array') }
     if (source.length === 0) { return '' }
-        // Skip & count leading zeroes.
-    var zeroes = 0
-    var length = 0
-    var pbegin = 0
-    var pend = source.length
+    // Skip & count leading zeroes.
+    let zeroes = 0
+    let length = 0
+    let pbegin = 0
+    const pend = source.length
     while (pbegin !== pend && source[pbegin] === 0) {
       pbegin++
       zeroes++
     }
-        // Allocate enough space in big-endian base58 representation.
-    var size = ((pend - pbegin) * iFACTOR + 1) >>> 0
-    var b58 = new Uint8Array(size)
-        // Process the bytes.
+    // Allocate enough space in big-endian base58 representation.
+    const size = ((pend - pbegin) * iFACTOR + 1) >>> 0
+    const b58 = new Uint8Array(size)
+    // Process the bytes.
     while (pbegin !== pend) {
-      var carry = source[pbegin]
-            // Apply "b58 = b58 * 256 + ch".
-      var i = 0
-      for (var it1 = size - 1; (carry !== 0 || i < length) && (it1 !== -1); it1--, i++) {
+      let carry = source[pbegin]
+      // Apply "b58 = b58 * 256 + ch".
+      let i = 0
+      for (let it1 = size - 1; (carry !== 0 || i < length) && (it1 !== -1); it1--, i++) {
         carry += (256 * b58[it1]) >>> 0
         b58[it1] = (carry % BASE) >>> 0
         carry = (carry / BASE) >>> 0
@@ -56,38 +56,42 @@ this.baseX = function base (ALPHABET) {
       length = i
       pbegin++
     }
-        // Skip leading zeroes in base58 result.
-    var it2 = size - length
+    // Skip leading zeroes in base58 result.
+    let it2 = size - length
     while (it2 !== size && b58[it2] === 0) {
       it2++
     }
-        // Translate the result into a string.
-    var str = LEADER.repeat(zeroes)
+    // Translate the result into a string.
+    let str = LEADER.repeat(zeroes)
     for (; it2 < size; ++it2) { str += ALPHABET.charAt(b58[it2]) }
     return str
   }
   function decodeUnsafe (source) {
     if (typeof source !== 'string') { throw new TypeError('Expected String') }
     if (source.length === 0) { return new Uint8Array() }
-    var psz = 0
-        // Skip and count leading '1's.
-    var zeroes = 0
-    var length = 0
+    let psz = 0
+    // Skip and count leading '1's.
+    let zeroes = 0
+    let length = 0
     while (source[psz] === LEADER) {
       zeroes++
       psz++
     }
-        // Allocate enough space in big-endian base256 representation.
-    var size = (((source.length - psz) * FACTOR) + 1) >>> 0 // log(58) / log(256), rounded up.
-    var b256 = new Uint8Array(size)
-        // Process the characters.
-    while (source[psz]) {
-            // Decode character
-      var carry = BASE_MAP[source.charCodeAt(psz)]
-            // Invalid character
+    // Allocate enough space in big-endian base256 representation.
+    const size = (((source.length - psz) * FACTOR) + 1) >>> 0 // log(58) / log(256), rounded up.
+    const b256 = new Uint8Array(size)
+    // Process the characters.
+    while (psz < source.length) {
+      // Find code of next character
+      const charCode = source.charCodeAt(psz)
+      // Base map can not be indexed using char code
+      if (charCode > 255) { return }
+      // Decode character
+      let carry = BASE_MAP[charCode]
+      // Invalid character
       if (carry === 255) { return }
-      var i = 0
-      for (var it3 = size - 1; (carry !== 0 || i < length) && (it3 !== -1); it3--, i++) {
+      let i = 0
+      for (let it3 = size - 1; (carry !== 0 || i < length) && (it3 !== -1); it3--, i++) {
         carry += (BASE * b256[it3]) >>> 0
         b256[it3] = (carry % 256) >>> 0
         carry = (carry / 256) >>> 0
@@ -96,27 +100,27 @@ this.baseX = function base (ALPHABET) {
       length = i
       psz++
     }
-        // Skip leading zeroes in b256.
-    var it4 = size - length
+    // Skip leading zeroes in b256.
+    let it4 = size - length
     while (it4 !== size && b256[it4] === 0) {
       it4++
     }
-    var vch = new Uint8Array(zeroes + (size - it4))
-    var j = zeroes
+    const vch = new Uint8Array(zeroes + (size - it4))
+    let j = zeroes
     while (it4 !== size) {
       vch[j++] = b256[it4++]
     }
     return vch
   }
   function decode (string) {
-    var buffer = decodeUnsafe(string)
+    const buffer = decodeUnsafe(string)
     if (buffer) { return buffer }
     throw new Error('Non-base' + BASE + ' character')
   }
   return {
-    encode: encode,
-    decodeUnsafe: decodeUnsafe,
-    decode: decode
+    encode,
+    decodeUnsafe,
+    decode
   }
 }
 }).call(this);

js/common.js

@@ -16,7 +16,7 @@ global.prettyPrint = window.PR.prettyPrint;
 global.prettyPrintOne = window.PR.prettyPrintOne;
 global.showdown = require('./showdown-2.1.0');
 global.DOMPurify = require('./purify-3.2.6');
-global.baseX = require('./base-x-4.0.0').baseX;
+global.baseX = require('./base-x-5.0.1').baseX;
 global.Legacy = require('./legacy').Legacy;
 require('./privatebin');
 

js/privatebin.js

@@ -10,7 +10,7 @@
  * @namespace
  */
 
-// global Base64, DOMPurify, FileReader, bootstrap, history, navigator, prettyPrint, prettyPrintOne, showdown, kjua
+// global Base64, DOMPurify, FileReader, baseX, bootstrap, history, navigator, prettyPrint, prettyPrintOne, showdown, kjua
 
 jQuery.fn.draghover = function() {
     'use strict';
@@ -985,7 +985,7 @@ jQuery.PrivateBin = (function($) {
          *
          * @private
          */
-        let base58 = new baseX('123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz');
+        const base58 = new baseX('123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz');
 
         /**
          * convert UTF-8 string stored in a DOMString to a standard UTF-16 DOMString