I remember working somewhere as a contractor and given a legacy piece of code to update. And then that went ok so later they approached me again but this time

I remember working somewhere as a contractor and given a legacy piece of code to update. And then that went ok so later they approached me again but this time with much less clear requirements. It became a stalemate, me asking them to clarify, them pointing to their watches and saying when can this be done. Eventually they tried to pressure me into basically add a backdoor. I almost did this but eventually explained in my pr why the code want not safe and would lead to possibility of unauthorized crap. Everybody else was extremely junior and seemed to be unaware of this.