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= How to Return a document's attachment from inside a vhost and/or redirect =
When you're inside of a vhost with rewrites, people can't see the database documents, and also can't see their attachents.
This was really annoying for me as all my product documents have images.
I first tried adding the ?with_attachments (or whatever it is) in a show function, but I thought, whoa! I'm gonna load 5 images into memory (in base64 encoding no less) to just return one .. that's a bit sucky.
So anyway, the docs say that rewrites are relative to /dbname/_design/designname .. I expected ../ in a rewrite to return the '/db/' root, but it actually needs '../../':
I'm not sure if there are any security issues with serving attachments like this. Technically someone might be able to put anything in :doc and anything in :attachment and they'd be getting it basically from the database root. So I'm going to be putting in another rewrite rule/filter on my nginx to stop them putting '_' in the names.
It'd be neat to have a rewrite customisable rewrite function or filter option.