feat: sandbox support str to base64 function;feat: compiance text ui (#2702)

* feat: sandbox strToBase64 function

* feat: compiance text ui

projects/sandbox/src/sandbox/jsFn/str2Base64.ts

@@ -0,0 +1,5 @@
+export const strToBase64 = (str: string, prefix: string) => {
+  const base64_string = Buffer.from(str, 'utf-8').toString('base64');
+
+  return `${prefix}${base64_string}`;
+};

projects/sandbox/src/sandbox/utils.ts

@@ -2,13 +2,18 @@ import { RunCodeDto, RunCodeResponse } from 'src/sandbox/dto/create-sandbox.dto'
 import IsolatedVM, { ExternalCopy, Isolate, Reference } from 'isolated-vm';
 import { countToken } from './jsFn/tiktoken';
 import { timeDelay } from './jsFn/delay';
+import { strToBase64 } from './jsFn/str2Base64';
 
 const CustomLogStr = 'CUSTOM_LOG';
 
 /* 
-    Rewrite code to add custom functions: Promise function; Log.
-  */
+  Rewrite code to add custom functions: Promise function; Log.
+*/
 function getFnCode(code: string) {
+  // rewrite log
+  code = code.replace(/console\.log/g, `${CustomLogStr}`);
+
+  // Promise function rewrite
   const rewriteSystemFn = `
     const thisDelay = (...args) => global_delay.applySyncPromise(undefined,args)
 `;
@@ -16,9 +21,6 @@ function getFnCode(code: string) {
   // rewrite delay
   code = code.replace(/delay\((.*)\)/g, `thisDelay($1)`);
 
-  // rewrite log
-  code = code.replace(/console\.log/g, `${CustomLogStr}`);
-
   const runCode = `
     (async() => { 
         try {
@@ -35,11 +37,12 @@ function getFnCode(code: string) {
   return runCode;
 }
 
+// Register global function
 function registerSystemFn(jail: IsolatedVM.Reference<Record<string | number | symbol, any>>) {
   return Promise.all([
-    // delay
     jail.set('global_delay', new Reference(timeDelay)),
-    jail.set('countToken', countToken)
+    jail.set('countToken', countToken),
+    jail.set('strToBase64', strToBase64)
   ]);
 }