I maintain some software that ingests files from dropbox. Recently it has started failing because dropbox often returns a 405 "Method not allowed" error on HEAD operations. Is this a known issue, is there a fix pending for this?
Here's an example of this. (I have deleted this file but you can reproduce with pretty much any file in dropbox)
% curl -s -I "https://www.dropbox.com/s/0f8gimqdxyid48e/test.txt?dl=1" | grep "HTTP"
HTTP/2 302
% curl -s -I "https://www.dropbox.com/s/0f8gimqdxyid48e/test.txt?dl=1" | grep "HTTP"
HTTP/2 302
% curl -s -I "https://www.dropbox.com/s/0f8gimqdxyid48e/test.txt?dl=1" | grep "HTTP"
HTTP/2 302
% curl -s -I "https://www.dropbox.com/s/0f8gimqdxyid48e/test.txt?dl=1" | grep "HTTP"
HTTP/2 405
% curl -s -I "https://www.dropbox.com/s/0f8gimqdxyid48e/test.txt?dl=1" | grep "HTTP"
HTTP/2 302
% curl -s -I "https://www.dropbox.com/s/0f8gimqdxyid48e/test.txt?dl=1" | grep "HTTP"
HTTP/2 302
% curl -s -I "https://www.dropbox.com/s/0f8gimqdxyid48e/test.txt?dl=1" | grep "HTTP"
HTTP/2 405