debianize-mobilizon/lib/eventos_web/http_signature.ex
Thomas Citharel e14007bac5
WIP
Signed-off-by: Thomas Citharel <tcit@tcit.fr>
2018-06-06 18:12:21 +02:00

44 lines
1.0 KiB
Elixir

defmodule EventosWeb.HTTPSignaturePlug do
alias Eventos.Service.HTTPSignatures
import Plug.Conn
require Logger
def init(options) do
options
end
def call(%{assigns: %{valid_signature: true}} = conn, _opts) do
conn
end
def call(conn, _opts) do
user = conn.params["actor"]
Logger.debug("Checking sig for #{user}")
with [signature | _] <- get_req_header(conn, "signature") do
cond do
signature && String.contains?(signature, user) ->
conn =
conn
|> put_req_header(
"(request-target)",
String.downcase("#{conn.method}") <> " #{conn.request_path}"
)
assign(conn, :valid_signature, HTTPSignatures.validate_conn(conn))
signature ->
Logger.debug("Signature not from actor")
assign(conn, :valid_signature, false)
true ->
Logger.debug("No signature header!")
conn
end
else
_ ->
Logger.debug("No signature header!")
conn
end
end
end