1 # Pleroma: A lightweight social networking server
2 # Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
3 # SPDX-License-Identifier: AGPL-3.0-only
5 defmodule Pleroma.Web.Plugs.DigestPlug do
9 def read_body(conn, opts) do
11 with [digest_header] <- Conn.get_req_header(conn, "digest") do
13 |> String.split("=", parts: 2)
19 unless String.downcase(digest_algorithm) == "sha-256" do
21 message: "invalid value for digest algorithm, got: #{digest_algorithm}"
24 {:ok, body, conn} = Conn.read_body(conn, opts)
25 encoded_digest = :crypto.hash(:sha256, body) |> Base.encode64()
26 {:ok, body, Conn.assign(conn, :digest, "#{digest_algorithm}=#{encoded_digest}")}