fix(binary): add type checking for buffer

mongodb · May 31, 2018 · cbfb25d · cbfb25d
1 parent 00a7f57
commit cbfb25d
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/lib/bson/binary.js b/lib/bson/binary.js
@@ -30,6 +30,16 @@ if (typeof global !== 'undefined') {
 function Binary(buffer, subType) {
  if (!(this instanceof Binary)) return new Binary(buffer, subType);
 
+ if (
+ buffer != null &&
+ !(typeof buffer === 'string') &&
+ !Buffer.isBuffer(buffer) &&
+ !(buffer instanceof Uint8Array) &&
+ !Array.isArray(buffer)
+ ) {
+ throw new Error('only String, Buffer, Uint8Array or Array accepted');
+ }
+
  this._bsontype = 'Binary';
 
  if (buffer instanceof Number) {