text: #!/usr/bin/env python3
  # -*- coding: utf-8 -*-
  # Licensed to the Apache Software Foundation (ASF) under one or more
  # contributor license agreements.  See the NOTICE file distributed with
  # this work for additional information regarding copyright ownership.
  # The ASF licenses this file to You under the Apache License, Version 2.0
  # (the "License"); you may not use this file except in compliance with
  # the License.  You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  """Simple endpoint that returns an email source"""
  
  import plugins.server
  import plugins.session
  import plugins.messages
  import aiohttp.web
  import plugins.aaa
  
  
  async def process(
      server: plugins.server.BaseServer, session: plugins.session.SessionObject, indata: dict,
  ) -> aiohttp.web.Response:
      # First, assume permalink and look up the email based on that
      email = await plugins.messages.get_email(session, permalink=indata.get("id"))
  
      # If not found via permalink, it might be message-id instead, so try that
      if email is None:
          email = await plugins.messages.get_email(session, messageid=indata.get("id"), listid=indata.get("list", ""))
  
      if email and isinstance(email, dict) and not email.get("deleted"):
          if plugins.aaa.can_access_email(session, email):
              source = await plugins.messages.get_source(session, permalink=email["dbid"])
              if source and not source["_source"].get("deleted"):
                  return aiohttp.web.Response(
                      headers={"Content-Type": "text/plain"}, status=200, text=source["_source"]["source"],
                  )
      return aiohttp.web.Response(headers={}, status=404, text="Email not found")
  
  
  def register(server: plugins.server.BaseServer):
      return plugins.server.Endpoint(process)
  