fix: use btoa to read key file

app/core/modules/info/get-license.ts

@@ -4,6 +4,7 @@
  */
 
 import fs from 'fs';
+import btoa from 'btoa';
 import { varState } from '../../states';
 import { CoreContext, CoreResult } from '../../types';
 import { ensurePermission } from '../../utils';
@@ -27,8 +28,8 @@ export const getLicense = async function (context: CoreContext): Promise<CoreRes
 	// Get license data
 	const type = varState.data.regTy;
 	const state = (varState.data.regCheck.trim() === '' ? type : varState.data.regCheck).toUpperCase();
-	const file = await fs.promises.readFile(varState.data.regFile, 'utf8');
-	const parsedFile = Buffer.from(file).toString('base64').trim().replace(/\+/g, '-').replace(/\//g, '_').replace(/=/g, '');
+	const file = await fs.promises.readFile(varState.data.regFile, 'binary');
+	const parsedFile = btoa(file).trim().replace(/\+/g, '-').replace(/\//g, '_').replace(/=/g, '');
 
 	return {
 		get text() {

package-lock.json

@@ -2745,6 +2745,11 @@
         "node-int64": "^0.4.0"
       }
     },
+    "btoa": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/btoa/-/btoa-1.2.1.tgz",
+      "integrity": "sha512-SB4/MIGlsiVkMcHmT+pSmIPoNDoHg+7cMzmt3Uxt628MTz2487DKSqK/fuhFBrkuqrYv5UCEnACpF4dTFNKc/g=="
+    },
     "buffer": {
       "version": "5.7.1",
       "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.7.1.tgz",

package.json

@@ -49,6 +49,7 @@
     "apollo-server-express": "2.19.2",
     "async-exit-hook": "^2.0.1",
     "async-mutex": "^0.3.0",
+    "btoa": "^1.2.1",
     "bycontract": "^2.0.10",
     "bytes": "^3.1.0",
     "camelcase": "6.2.0",