X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fplugs%2Fhttp_signature.ex;h=23d22a712fcf9839490b9d4cf44de3a370c7cf9b;hb=d3c404af124c7083b1f23466b9e82df5d2a407d0;hp=9236c501c39c46c8028b27a3c2be3da09a8c6041;hpb=ac67453e8afc57fc0d31806a0318d35a4d6f704e;p=akkoma

diff --git a/lib/pleroma/plugs/http_signature.ex b/lib/pleroma/plugs/http_signature.ex
index 9236c501c..23d22a712 100644
--- a/lib/pleroma/plugs/http_signature.ex
+++ b/lib/pleroma/plugs/http_signature.ex
@@ -1,5 +1,8 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Web.Plugs.HTTPSignaturePlug do
-  alias Pleroma.Web.HTTPSignatures
   import Plug.Conn
   require Logger
 
@@ -7,16 +10,31 @@ defmodule Pleroma.Web.Plugs.HTTPSignaturePlug do
     options
   end
 
-  def call(%{assigns: %{valid_signature: true}} = conn, opts) do
+  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}")
-    if get_req_header(conn, "signature") do
-      conn = conn
-      |> put_req_header("(request-target)", String.downcase("#{conn.method} #{conn.request_path}"))
+  def call(conn, _opts) do
+    headers = get_req_header(conn, "signature")
+    signature = Enum.at(headers, 0)
+
+    if signature do
+      # set (request-target) header to the appropriate value
+      # we also replace the digest header with the one we computed
+      conn =
+        conn
+        |> put_req_header(
+          "(request-target)",
+          String.downcase("#{conn.method}") <> " #{conn.request_path}"
+        )
+
+      conn =
+        if conn.assigns[:digest] do
+          conn
+          |> put_req_header("digest", conn.assigns[:digest])
+        else
+          conn
+        end
 
       assign(conn, :valid_signature, HTTPSignatures.validate_conn(conn))
     else