fix: set options from decorator to IsBase64 method

src/decorator/string/IsBase64.ts

@@ -26,7 +26,7 @@ export function IsBase64(
       name: IS_BASE64,
       constraints: [options],
       validator: {
-        validate: (value, args): boolean => isBase64(value),
+        validate: (value, args): boolean => isBase64(value, options),
         defaultMessage: buildMessage(eachPrefix => eachPrefix + '$property must be base64 encoded', validationOptions),
       },
     },

test/functional/validation-functions-and-decorators.spec.ts

@@ -1655,6 +1655,7 @@ describe('IsBase32', () => {
 
 describe('IsBase64', () => {
   const constraint = '';
+  const urlNotSafe = [btoa('malicious_data+/=')];
   const validValues = ['aGVsbG8='];
   const invalidValues = [null, undefined, 'hell*mynameisalex'];
 
@@ -1679,6 +1680,14 @@ describe('IsBase64', () => {
     invalidValues.forEach(value => expect(isBase64(value)).toBeFalsy());
   });
 
+  it('should fail if method in validator said that its invalid, and i pass a url not safe and set in options urlSafe to true', () => {
+    urlNotSafe.forEach(value => expect(isBase64(value, { urlSafe: true })).toBeFalsy());
+  });
+
+  it('should not fail if method in validator said that its valid, and i pass a url not safe and set in options urlSafe to false', () => {
+    urlNotSafe.forEach(value => expect(isBase64(value, { urlSafe: false })).toBeTruthy());
+  });
+
   it('should return error object with proper data', () => {
     const validationType = 'isBase64';
     const message = 'someProperty must be base64 encoded';