Move federation API responding code out of weird mix of lambdas into Servlet-style methods on instances
Paul "LeoNerd" Evans
parent
9d9d39536b
commit
a901ed16b5
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@ -122,14 +122,9 @@ class TransportLayerServer(object):
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Args:
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handler (TransportReceivedHandler)
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"""
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self.received_handler = handler
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# This is when someone is trying to send us a bunch of data.
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self.server.register_path(
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"PUT",
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re.compile("^" + PREFIX + "/send/([^/]*)/$"),
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self._with_authentication(self._on_send_request)
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)
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FederationSendServlet(
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handler, self._with_authentication, self.server_name
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).register(self.server)
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@log_function
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def register_request_handler(self, handler):
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@ -138,136 +133,48 @@ class TransportLayerServer(object):
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Args:
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handler (TransportRequestHandler)
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"""
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self.request_handler = handler
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for servletclass in (
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FederationPullServlet,
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FederationEventServlet,
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FederationStateServlet,
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FederationBackfillServlet,
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FederationQueryServlet,
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FederationMakeJoinServlet,
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FederationEventServlet,
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FederationSendJoinServlet,
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FederationInviteServlet,
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FederationQueryAuthServlet,
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FederationGetMissingEventsServlet,
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):
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servletclass(handler, self._with_authentication).register(self.server)
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# This is for when someone asks us for everything since version X
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self.server.register_path(
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"GET",
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re.compile("^" + PREFIX + "/pull/$"),
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self._with_authentication(
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lambda origin, content, query:
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handler.on_pull_request(query["origin"][0], query["v"])
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)
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)
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# This is when someone asks for a data item for a given server
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# data_id pair.
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self.server.register_path(
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"GET",
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re.compile("^" + PREFIX + "/event/([^/]*)/$"),
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self._with_authentication(
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lambda origin, content, query, event_id:
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handler.on_pdu_request(origin, event_id)
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)
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)
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class BaseFederationServlet(object):
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def __init__(self, handler, wrapper):
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self.handler = handler
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self.wrapper = wrapper
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# This is when someone asks for all data for a given context.
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self.server.register_path(
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"GET",
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re.compile("^" + PREFIX + "/state/([^/]*)/$"),
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self._with_authentication(
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lambda origin, content, query, context:
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handler.on_context_state_request(
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origin,
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context,
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query.get("event_id", [None])[0],
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)
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)
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)
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def register(self, server):
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pattern = re.compile("^" + PREFIX + self.PATH)
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self.server.register_path(
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"GET",
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re.compile("^" + PREFIX + "/backfill/([^/]*)/$"),
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self._with_authentication(
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lambda origin, content, query, context:
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self._on_backfill_request(
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origin, context, query["v"], query["limit"]
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)
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)
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)
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for method in ("GET", "PUT", "POST"):
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code = getattr(self, "on_%s" % (method), None)
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if code is None:
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continue
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# This is when we receive a server-server Query
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self.server.register_path(
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"GET",
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re.compile("^" + PREFIX + "/query/([^/]*)$"),
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self._with_authentication(
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lambda origin, content, query, query_type:
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handler.on_query_request(
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query_type,
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{k: v[0].decode("utf-8") for k, v in query.items()}
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)
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)
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)
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server.register_path(method, pattern, self.wrapper(code))
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self.server.register_path(
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"GET",
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re.compile("^" + PREFIX + "/make_join/([^/]*)/([^/]*)$"),
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self._with_authentication(
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lambda origin, content, query, context, user_id:
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self._on_make_join_request(
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origin, content, query, context, user_id
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)
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)
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)
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self.server.register_path(
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"GET",
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re.compile("^" + PREFIX + "/event_auth/([^/]*)/([^/]*)$"),
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self._with_authentication(
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lambda origin, content, query, context, event_id:
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handler.on_event_auth(
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origin, context, event_id,
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)
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)
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)
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class FederationSendServlet(BaseFederationServlet):
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PATH = "/send/([^/]*)/$"
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self.server.register_path(
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"PUT",
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re.compile("^" + PREFIX + "/send_join/([^/]*)/([^/]*)$"),
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self._with_authentication(
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lambda origin, content, query, context, event_id:
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self._on_send_join_request(
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origin, content, query,
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)
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)
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)
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self.server.register_path(
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"PUT",
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re.compile("^" + PREFIX + "/invite/([^/]*)/([^/]*)$"),
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self._with_authentication(
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lambda origin, content, query, context, event_id:
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self._on_invite_request(
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origin, content, query,
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)
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)
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)
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self.server.register_path(
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"POST",
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re.compile("^" + PREFIX + "/query_auth/([^/]*)/([^/]*)$"),
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self._with_authentication(
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lambda origin, content, query, context, event_id:
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self._on_query_auth_request(
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origin, content, event_id,
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)
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)
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)
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self.server.register_path(
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"POST",
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re.compile("^" + PREFIX + "/get_missing_events/([^/]*)/?$"),
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self._with_authentication(
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lambda origin, content, query, room_id:
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self._get_missing_events(
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origin, content, room_id,
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)
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)
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)
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def __init__(self, handler, wrapper, server_name):
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super(FederationSendServlet, self).__init__(handler, wrapper)
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self.server_name = server_name
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# This is when someone is trying to send us a bunch of data.
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@defer.inlineCallbacks
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@log_function
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def _on_send_request(self, origin, content, query, transaction_id):
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def on_PUT(self, origin, content, query, transaction_id):
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""" Called on PUT /send/<transaction_id>/
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Args:
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@ -305,8 +212,7 @@ class TransportLayerServer(object):
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return
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try:
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handler = self.received_handler
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code, response = yield handler.on_incoming_transaction(
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code, response = yield self.handler.on_incoming_transaction(
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transaction_data
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)
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except:
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@ -315,65 +221,119 @@ class TransportLayerServer(object):
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defer.returnValue((code, response))
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@log_function
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def _on_backfill_request(self, origin, context, v_list, limits):
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class FederationPullServlet(BaseFederationServlet):
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PATH = "/pull/$"
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# This is for when someone asks us for everything since version X
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def on_GET(self, origin, content, query):
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return self.handler.on_pull_request(query["origin"][0], query["v"])
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class FederationEventServlet(BaseFederationServlet):
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PATH = "/event/([^/]*)/$"
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# This is when someone asks for a data item for a given server data_id pair.
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def on_GET(self, origin, content, query, event_id):
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return self.handler.on_pdu_request(origin, event_id)
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class FederationStateServlet(BaseFederationServlet):
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PATH = "/state/([^/]*)/$"
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# This is when someone asks for all data for a given context.
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def on_GET(self, origin, content, query, context):
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return self.handler.on_context_state_request(origin, context,
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query.get("event_id", [None])[0],
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)
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class FederationBackfillServlet(BaseFederationServlet):
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PATH = "/backfill/([^/]*)/$"
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def on_GET(self, origin, content, query, context):
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versions = query["v"]
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limits = query["limit"]
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if not limits:
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return defer.succeed(
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(400, {"error": "Did not include limit param"})
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)
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return defer.succeed((400, {"error": "Did not include limit param"}))
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limit = int(limits[-1])
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versions = v_list
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return self.handler.on_backfill_request(origin, context, versions, limit)
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return self.request_handler.on_backfill_request(
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origin, context, versions, limit
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class FederationQueryServlet(BaseFederationServlet):
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PATH = "/query/([^/]*)$"
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# This is when we receive a server-server Query
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def on_GET(self, origin, content, query, query_type):
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return self.handler.on_query_request(query_type,
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{k: v[0].decode("utf-8") for k, v in query.items()}
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)
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class FederationMakeJoinServlet(BaseFederationServlet):
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PATH = "/make_join/([^/]*)/([^/]*)$"
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@defer.inlineCallbacks
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@log_function
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def _on_make_join_request(self, origin, content, query, context, user_id):
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content = yield self.request_handler.on_make_join_request(
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context, user_id,
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)
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def on_GET(self, origin, content, query, context, user_id):
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content = yield self.handler.on_make_join_request(context, user_id)
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defer.returnValue((200, content))
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@defer.inlineCallbacks
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@log_function
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def _on_send_join_request(self, origin, content, query):
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content = yield self.request_handler.on_send_join_request(
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origin, content,
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)
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class FederationEventAuthServlet(BaseFederationServlet):
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PATH = "/event_auth/([^/]*)/([^/]*)$"
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def on_GET(self, origin, content, query, context, event_id):
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return self.handler.on_event_auth(origin, context, event_id)
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class FederationSendJoinServlet(BaseFederationServlet):
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PATH = "/send_join/([^/]*)/([^/]*)$"
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@defer.inlineCallbacks
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def on_PUT(self, origin, content, query, context, event_id):
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# TODO(paul): assert that context/event_id parsed from path actually
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# match those given in content
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content = yield self.handler.on_send_join_request(origin, content)
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defer.returnValue((200, content))
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@defer.inlineCallbacks
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@log_function
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def _on_invite_request(self, origin, content, query):
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content = yield self.request_handler.on_invite_request(
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origin, content,
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)
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class FederationInviteServlet(BaseFederationServlet):
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PATH = "/invite/([^/]*)/([^/]*)$"
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@defer.inlineCallbacks
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def on_PUT(self, origin, content, query, context, event_id):
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# TODO(paul): assert that context/event_id parsed from path actually
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# match those given in content
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content = yield self.handler.on_invite_request(origin, content)
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defer.returnValue((200, content))
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class FederationQueryAuthServlet(BaseFederationServlet):
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PATH = "/query_auth/([^/]*)/([^/]*)$"
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@defer.inlineCallbacks
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@log_function
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def _on_query_auth_request(self, origin, content, event_id):
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new_content = yield self.request_handler.on_query_auth_request(
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def on_POST(self, origin, content, query, context, event_id):
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new_content = yield self.handler.on_query_auth_request(
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origin, content, event_id
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)
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defer.returnValue((200, new_content))
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class FederationGetMissingEventsServlet(BaseFederationServlet):
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PATH = "/get_missing_events/([^/]*)/?$"
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@defer.inlineCallbacks
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@log_function
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def _get_missing_events(self, origin, content, room_id):
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def on_POST(self, origin, content, query, room_id):
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limit = int(content.get("limit", 10))
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min_depth = int(content.get("min_depth", 0))
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earliest_events = content.get("earliest_events", [])
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latest_events = content.get("latest_events", [])
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content = yield self.request_handler.on_get_missing_events(
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content = yield self.handler.on_get_missing_events(
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origin,
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room_id=room_id,
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earliest_events=earliest_events,
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