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Re: [PATCH 8/8] remote-curl: in v2, fill credentials if needed

On Tue, Feb 05, 2019 at 04:21:22PM -0800, Jonathan Tan wrote:

> In post_rpc(), remote-curl calls credential_fill() if HTTP_REAUTH is
> returned, but this is not true in proxy_request(). Do this in
> proxy_request() too.

Can we do this as a general rule? If we look at the code in post_rpc(),
there are two cases: when large_request is set and when it is not.

When it's not, we have the whole request in a buffer, and we can happily
resend it.

But when it's not, we cannot restart it, because we'll have thrown away
some of the data. So we send an initial probe_rpc() as a sanity check.
If that works and we later get a 401 on the real request, we still fail

In the case of proxy_request(), we don't know ahead of time whether the
request is large or not; we just proxy the data through. And we don't do
the probe thing at all. So wouldn't we dropping some data for the
follow-up request?