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authorErik Johnston <erik@matrix.org>2015-02-12 11:42:43 +0000
committerErik Johnston <erik@matrix.org>2015-02-12 11:42:43 +0000
commit1ed836cc2b909e0bcd439964173008e9755c4750 (patch)
tree65862dbcf81107332c0c7c65a2eda86eb6afc9ba /synapse/federation/transport/server.py
parentMerge pull request #59 from matrix-org/hotfixes-v0.6.1f (diff)
parentExpand on caching (diff)
downloadsynapse-0.7.0.tar.xz
Merge branch 'release-v0.7.0' of github.com:matrix-org/synapse v0.7.0
Diffstat (limited to '')
-rw-r--r--synapse/federation/transport/server.py (renamed from synapse/federation/transport.py)298
1 files changed, 23 insertions, 275 deletions
diff --git a/synapse/federation/transport.py b/synapse/federation/transport/server.py

index 1f0f06e0fe..2ffb37aa18 100644 --- a/synapse/federation/transport.py +++ b/synapse/federation/transport/server.py
@@ -13,14 +13,6 @@ # See the License for the specific language governing permissions and # limitations under the License. -"""The transport layer is responsible for both sending transactions to remote -home servers and receiving a variety of requests from other home servers. - -Typically, this is done over HTTP (and all home servers are required to -support HTTP), however individual pairings of servers may decide to communicate -over a different (albeit still reliable) protocol. -""" - from twisted.internet import defer from synapse.api.urls import FEDERATION_PREFIX as PREFIX @@ -28,248 +20,15 @@ from synapse.api.errors import Codes, SynapseError from synapse.util.logutils import log_function import logging -import json +import simplejson as json import re logger = logging.getLogger(__name__) -class TransportLayer(object): - """This is a basic implementation of the transport layer that translates - transactions and other requests to/from HTTP. - - Attributes: - server_name (str): Local home server host - - server (synapse.http.server.HttpServer): the http server to - register listeners on - - client (synapse.http.client.HttpClient): the http client used to - send requests - - request_handler (TransportRequestHandler): The handler to fire when we - receive requests for data. - - received_handler (TransportReceivedHandler): The handler to fire when - we receive data. - """ - - def __init__(self, homeserver, server_name, server, client): - """ - Args: - server_name (str): Local home server host - server (synapse.protocol.http.HttpServer): the http server to - register listeners on - client (synapse.protocol.http.HttpClient): the http client used to - send requests - """ - self.keyring = homeserver.get_keyring() - self.server_name = server_name - self.server = server - self.client = client - self.request_handler = None - self.received_handler = None - - @log_function - def get_context_state(self, destination, context, event_id=None): - """ Requests all state for a given context (i.e. room) from the - given server. - - Args: - destination (str): The host name of the remote home server we want - to get the state from. - context (str): The name of the context we want the state of - - Returns: - Deferred: Results in a dict received from the remote homeserver. - """ - logger.debug("get_context_state dest=%s, context=%s", - destination, context) - - subpath = "/state/%s/" % context - - args = {} - if event_id: - args["event_id"] = event_id - - return self._do_request_for_transaction( - destination, subpath, args=args - ) - - @log_function - def get_event(self, destination, event_id): - """ Requests the pdu with give id and origin from the given server. - - Args: - destination (str): The host name of the remote home server we want - to get the state from. - event_id (str): The id of the event being requested. - - Returns: - Deferred: Results in a dict received from the remote homeserver. - """ - logger.debug("get_pdu dest=%s, event_id=%s", - destination, event_id) - - subpath = "/event/%s/" % (event_id, ) - - return self._do_request_for_transaction(destination, subpath) - - @log_function - def backfill(self, dest, context, event_tuples, limit): - """ Requests `limit` previous PDUs in a given context before list of - PDUs. - - Args: - dest (str) - context (str) - event_tuples (list) - limt (int) - - Returns: - Deferred: Results in a dict received from the remote homeserver. - """ - logger.debug( - "backfill dest=%s, context=%s, event_tuples=%s, limit=%s", - dest, context, repr(event_tuples), str(limit) - ) - - if not event_tuples: - # TODO: raise? - return - - subpath = "/backfill/%s/" % (context,) - - args = { - "v": event_tuples, - "limit": [str(limit)], - } - - return self._do_request_for_transaction( - dest, - subpath, - args=args, - ) - - @defer.inlineCallbacks - @log_function - def send_transaction(self, transaction, json_data_callback=None): - """ Sends the given Transaction to its destination - - Args: - transaction (Transaction) - - Returns: - Deferred: Results of the deferred is a tuple in the form of - (response_code, response_body) where the response_body is a - python dict decoded from json - """ - logger.debug( - "send_data dest=%s, txid=%s", - transaction.destination, transaction.transaction_id - ) - - if transaction.destination == self.server_name: - raise RuntimeError("Transport layer cannot send to itself!") - - # FIXME: This is only used by the tests. The actual json sent is - # generated by the json_data_callback. - json_data = transaction.get_dict() - - code, response = yield self.client.put_json( - transaction.destination, - path=PREFIX + "/send/%s/" % transaction.transaction_id, - data=json_data, - json_data_callback=json_data_callback, - ) - - logger.debug( - "send_data dest=%s, txid=%s, got response: %d", - transaction.destination, transaction.transaction_id, code - ) - - defer.returnValue((code, response)) - - @defer.inlineCallbacks - @log_function - def make_query(self, destination, query_type, args, retry_on_dns_fail): - path = PREFIX + "/query/%s" % query_type - - response = yield self.client.get_json( - destination=destination, - path=path, - args=args, - retry_on_dns_fail=retry_on_dns_fail, - ) - - defer.returnValue(response) - - @defer.inlineCallbacks - @log_function - def make_join(self, destination, context, user_id, retry_on_dns_fail=True): - path = PREFIX + "/make_join/%s/%s" % (context, user_id,) - - response = yield self.client.get_json( - destination=destination, - path=path, - retry_on_dns_fail=retry_on_dns_fail, - ) - - defer.returnValue(response) - - @defer.inlineCallbacks - @log_function - def send_join(self, destination, context, event_id, content): - path = PREFIX + "/send_join/%s/%s" % ( - context, - event_id, - ) - - code, content = yield self.client.put_json( - destination=destination, - path=path, - data=content, - ) - - if not 200 <= code < 300: - raise RuntimeError("Got %d from send_join", code) - - defer.returnValue(json.loads(content)) - - @defer.inlineCallbacks - @log_function - def send_invite(self, destination, context, event_id, content): - path = PREFIX + "/invite/%s/%s" % ( - context, - event_id, - ) - - code, content = yield self.client.put_json( - destination=destination, - path=path, - data=content, - ) - - if not 200 <= code < 300: - raise RuntimeError("Got %d from send_invite", code) - - defer.returnValue(json.loads(content)) - - @defer.inlineCallbacks - @log_function - def get_event_auth(self, destination, context, event_id): - path = PREFIX + "/event_auth/%s/%s" % ( - context, - event_id, - ) - - response = yield self.client.get_json( - destination=destination, - path=path, - ) - - defer.returnValue(response) +class TransportLayerServer(object): + """Handles incoming federation HTTP requests""" @defer.inlineCallbacks def _authenticate_request(self, request): @@ -283,7 +42,7 @@ class TransportLayer(object): content = None origin = None - if request.method == "PUT": + if request.method in ["PUT", "POST"]: # TODO: Handle other method types? other content types? try: content_bytes = request.content.read() @@ -373,8 +132,6 @@ class TransportLayer(object): """ self.request_handler = handler - # TODO(markjh): Namespace the federation URI paths - # This is for when someone asks us for everything since version X self.server.register_path( "GET", @@ -477,6 +234,16 @@ class TransportLayer(object): ) ) ) + self.server.register_path( + "POST", + re.compile("^" + PREFIX + "/query_auth/([^/]*)/([^/]*)$"), + self._with_authentication( + lambda origin, content, query, context, event_id: + self._on_query_auth_request( + origin, content, event_id, + ) + ) + ) @defer.inlineCallbacks @log_function @@ -528,34 +295,6 @@ class TransportLayer(object): defer.returnValue((code, response)) - @defer.inlineCallbacks - @log_function - def _do_request_for_transaction(self, destination, subpath, args={}): - """ - Args: - destination (str) - path (str) - args (dict): This is parsed directly to the HttpClient. - - Returns: - Deferred: Results in a dict. - """ - - data = yield self.client.get_json( - destination, - path=PREFIX + subpath, - args=args, - ) - - # Add certain keys to the JSON, ready for decoding as a Transaction - data.update( - origin=destination, - destination=self.server_name, - transaction_id=None - ) - - defer.returnValue(data) - @log_function def _on_backfill_request(self, origin, context, v_list, limits): if not limits: @@ -596,3 +335,12 @@ class TransportLayer(object): ) defer.returnValue((200, content)) + + @defer.inlineCallbacks + @log_function + def _on_query_auth_request(self, origin, content, event_id): + new_content = yield self.request_handler.on_query_auth_request( + origin, content, event_id + ) + + defer.returnValue((200, new_content))