fix(binary): add type checking for buffer

mongodb · May 17, 2018 · 26b05b5 · 26b05b5
1 parent ffed2c4
commit 26b05b5
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/lib/bson/binary.js b/lib/bson/binary.js
@@ -28,6 +28,16 @@ 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) {