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Log Cloudflare geolocation headers on each request

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Graham McIntire 2026-03-22 16:08:52 -05:00
parent 6988116a42
commit 139568cd05
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1 changed files with 15 additions and 3 deletions
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18
lib/aprsme_web/plugs/ip_geolocation.ex
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@ -7,6 +7,8 @@ defmodule AprsmeWeb.Plugs.IPGeolocation do
import Plug.Conn
require Logger
@impl true
def init(opts), do: opts
@ -23,14 +25,24 @@ defmodule AprsmeWeb.Plugs.IPGeolocation do
defp handle_geolocation(_cached, conn), do: conn
defp extract_cf_headers(conn) do
with [lat_str] <- get_req_header(conn, "cf-iplatitude"),
[lng_str] <- get_req_header(conn, "cf-iplongitude"),
lat_header = get_req_header(conn, "cf-iplatitude")
lng_header = get_req_header(conn, "cf-iplongitude")
Logger.info(
"Cloudflare geolocation headers: cf-iplatitude=#{inspect(lat_header)}, cf-iplongitude=#{inspect(lng_header)}"
)
with [lat_str] <- lat_header,
[lng_str] <- lng_header,
{lat, ""} <- Float.parse(lat_str),
{lng, ""} <- Float.parse(lng_str),
true <- lat >= -90 and lat <= 90 and lng >= -180 and lng <= 180 do
Logger.info("IP geolocation resolved: lat=#{lat}, lng=#{lng}")
put_session(conn, :ip_geolocation, %{"lat" => lat, "lng" => lng})
else
_ -> conn
_ ->
Logger.info("No valid Cloudflare geolocation headers found")
conn
end
end
end