Inconsistent SignatureDoesNotMatch Amazon S3 with django-pipeline, s3boto and storages

Question

I have 2 files compiled by django-pipeline along with s3boto: master.css and master.js. They are set to \"Public\" in my buckets. However, when I access them, sometimes mast

Answer 1

I had a similar issue causing SignatureDoesNotMatch errors when downloading files using an S3 signed URL and the python requests HTTP library.

My problem ended up being a bad content-type. The documentation at AWS on Authenticating REST Requests helped me figure it out, and has examples in Python.