use more Buffer

src/libs/secret.js

@@ -1,5 +1,6 @@
 import CryptoJS from "crypto-js";
 import pako from "pako";
+import {Buffer} from "buffer";
 //import {gzip_encode_raw,gzip_decode_raw} from 'wasm-flate';
 
 const wasmFlate = window.wasm_bindgen;
@@ -137,16 +138,10 @@ export function convertHexStringToBase64(hexString) {
 }
 
 export function convertHexStringToUint8Array(hexString) {
-  var result = [];
-  for (var i = 0; i < hexString.length; i += 2) {
-    result.push(parseInt(hexString.substr(i, 2), 16));
-  }
-  return Uint8Array.from(result);
+  return Uint8Array.from(Buffer.from(hexString, 'hex'));
 }
 export function convertUint8ArrayToHexString(byteArray) {
-  return Array.prototype.map.call(byteArray, function(byte) {
-    return ('0' + (byte & 0xFF).toString(16)).slice(-2);
-  }).join('');
+  return Buffer.from(byteArray).toString('hex');
 }
 
 function convertWordArrayToUint8Array(wordArray) {

src/views/ViewNote.vue

@@ -580,26 +580,19 @@ export default {
             return;
           }
 
-          let blob = new Blob([res.data], {
-            type: res.data.type
-          });
-
-          let reader = new FileReader();
-          reader.onload = function (e) {
-            if (!e.target.result || e.target.result.byteLength == 0) {
+          res.data.arrayBuffer().then(function (ab) {
+            if (!ab || ab.byteLength == 0) {
               return;
             }
 
-            let base64String = Buffer.from(e.target.result).toString('base64')
+            let base64String = Buffer.from(ab).toString('base64')
             that.noteForm.text = unwrap(base64String, that.secret.secretKey);
-            //that.noteForm.escapeText = getEscapeText(that.noteForm.text);
 
             // if local is enough, set local
             if (storage.local.getAvailableSize() > 1 * 1024 * 1024) {
               storage.local.setText(that.secret.storeKey, that.state.lock + '|' + that.secret.cipher + '|1|' + that.state.serverTime + '|' + base64String);
             }
-          };
-          reader.readAsArrayBuffer(blob);
+          });
         });
 
       } else {