Check signature stopped working for Proxy apps

Technical Q&A
1

I have a couple Proxy apps. One for QA one for developing.

Today suddenly both Apps stopped validate signature.

I didn’t change code.

I’m using ShopifySharp library for my project.

Please help me with any idea

1 Like
2

I found issue in ShopifySharp in method ParseRawQuerystring.

It ignores url get parameters with empty value. For example: logged_in_customer_id=

Solution description in git