Recently (as in, the last few hours - however, it may have been broken for a few days), I've been unable to login via Stack Exchange for a third party application with Stack Exchange's OAuth support. When attempting to login, I'm presented with the following error screen:
Transcription of the error page:
Application Login Failure
An error occurred while login into an application.
Error Details
error: invalid_request
error description: OAuth request must be over HTTPS
Note that the URL is HTTPS, and so is the redirect_uri
.
I've reproduced this on two independently developed applications and on two distinct networks (my work machine, and mobile).