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From Alexander Shorin <>
Subject Re: Faking External Attachments Using Reverse Proxy
Date Mon, 23 Mar 2015 13:27:55 GMT
On Mon, Mar 23, 2015 at 4:19 PM, Robert Nagy <> wrote:
> Rewriting the requests listed here
<> should not be a problem.
However, I’m unsure whether there are any other attachment related requests that we might
need to take into account. I’m in particular worried about the scenario where a CouchDB
with internal attachments syncs up with a database behind the proxy. What is the API for attachments
during sync/replication?

Here are the ways to bypass your proxy:

GET http://localhost:5984/db/doc?attachments=true
GET http://localhost:5984/db/_changes?include_docs=true&attachments=true
GET http://localhost:5984/db/_design/ddoc/_view/something?include_docs=true&attachments=true
GET http://localhost:5984/db/doc?open_revs=all ACCEPT: multipart/*

Replicator itself uses two ways to handle attachments:
0. Replicator fetches attachments using multipart request to /db/doc
resource with open_revs=[...] param;
1. Inline, when their size and amount are fits the inner
limitations[1]. Those who does been sent via POST /db/_bulk_docs
2. All the others are sent with multipart document update with PUT
/db/doc request.

So as you see, replicator will always bypass your proxy.



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