* refactor receiverid into a separate controller base

* allow multiple headers to prepare for checking multiple claims

owrx/controllers/receiverid.py

@@ -0,0 +1,21 @@
+from owrx.controllers import Controller
+from owrx.receiverid import ReceiverId
+from datetime import datetime
+
+
+class ReceiverIdController(Controller):
+    def __init__(self, handler, request, options):
+        super().__init__(handler, request, options)
+        self.authHeaders = []
+
+    def send_response(self, content, code=200, content_type="text/html", last_modified: datetime = None, max_age=None, headers=None):
+        if headers is None:
+            headers = {}
+        headers['Authorization'] = self.authHeaders
+        super().send_response(content, code=code, content_type=content_type, last_modified=last_modified, max_age=max_age, headers=headers)
+        pass
+
+    def handle_request(self):
+        headers = self.request.headers.get_all("Authorization", [])
+        self.authHeaders = [ReceiverId.getResponseHeader(h) for h in headers]
+        super().handle_request()