honkoma/lib/pleroma/plugs/digest.ex

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defmodule Pleroma.Web.Plugs.DigestPlug do
alias Plug.Conn
require Logger
def read_body(conn, opts) do
{:ok, body, conn} = Conn.read_body(conn, opts)
digest = "SHA-256=" <> (:crypto.hash(:sha256, body) |> Base.encode64())
{:ok, body, Conn.assign(conn, :digest, digest)}
end
end