Add prometheus metrics to router

[akkoma] / lib / pleroma / web / plugs / csp_nonce_plug.ex

diff --git a/lib/pleroma/web/plugs/csp_nonce_plug.ex b/lib/pleroma/web/plugs/csp_nonce_plug.ex
new file mode 100644 (file)
index 0000000..bc2c6fc
--- /dev/null
+++ b/lib/pleroma/web/plugs/csp_nonce_plug.ex
@@ -0,0 +1,21 @@
+defmodule Pleroma.Web.Plugs.CSPNoncePlug do
+  import Plug.Conn
+
+  def init(opts) do
+    opts
+  end
+
+  def call(conn, _opts) do
+    assign_csp_nonce(conn)
+  end
+
+  defp assign_csp_nonce(conn) do
+    nonce =
+      :crypto.strong_rand_bytes(128)
+      |> Base.url_encode64()
+      |> binary_part(0, 15)
+
+    conn
+    |> assign(:csp_nonce, nonce)
+  end
+end