tree 2e8ae479ed7bc80777ca777406c6a092a6b52096
parent 46e2687e955bc91d581442f7d0c0b437e05c5d92
author Rob Findley <rfindley@google.com> 1705444271 -0500
committer Gopher Robot <gobot@golang.org> 1705445070 +0000

share: use forwarded IP for geoIP prefix allow list comparison

CL 556157 used the http.Request.RemoteAddr for comparing with the allow
list of miscategorized IP prefixes. This is incorrect as it is generally
127.0.0.1 for App Engine traffic.

Use X-Forwarded-For instead:
https://cloud.google.com/appengine/docs/standard/reference/request-headers

For golang/go#65081

Change-Id: Ia0861bdf76dd401c8fa1cd0871c09ae901f5a089
Reviewed-on: https://go-review.googlesource.com/c/playground/+/556195
TryBot-Result: Gopher Robot <gobot@golang.org>
Commit-Queue: Robert Findley <rfindley@google.com>
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
Run-TryBot: Robert Findley <rfindley@google.com>
Auto-Submit: Robert Findley <rfindley@google.com>