diff options
Diffstat (limited to 'synapse/handlers/room.py')
| -rw-r--r-- | synapse/handlers/room.py | 168 |
1 files changed, 167 insertions, 1 deletions
diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py index 3364a5de14..3f0cde56f0 100644 --- a/synapse/handlers/room.py +++ b/synapse/handlers/room.py @@ -22,11 +22,16 @@ from synapse.types import UserID, RoomAlias, RoomID from synapse.api.constants import ( EventTypes, Membership, JoinRules, RoomCreationPreset, ) -from synapse.api.errors import StoreError, SynapseError +from synapse.api.errors import AuthError, StoreError, SynapseError from synapse.util import stringutils, unwrapFirstError from synapse.util.async import run_on_reactor +from signedjson.sign import verify_signed_json +from signedjson.key import decode_verify_key_bytes + from collections import OrderedDict +from unpaddedbase64 import decode_base64 + import logging import string @@ -483,6 +488,13 @@ class RoomMemberHandler(BaseHandler): should_do_dance = not self.hs.is_mine(inviter) room_hosts = [inviter.domain] + elif "third_party_invite" in event.content: + if "sender" in event.content["third_party_invite"]: + inviter = UserID.from_string( + event.content["third_party_invite"]["sender"] + ) + should_do_dance = not self.hs.is_mine(inviter) + room_hosts = [inviter.domain] else: # return the same error as join_room_alias does raise SynapseError(404, "No known servers") @@ -540,6 +552,160 @@ class RoomMemberHandler(BaseHandler): suppress_auth=(not do_auth), ) + @defer.inlineCallbacks + def do_3pid_invite( + self, + room_id, + inviter, + medium, + address, + id_server, + display_name, + token_id, + txn_id + ): + invitee = yield self._lookup_3pid( + id_server, medium, address + ) + + if invitee: + # make sure it looks like a user ID; it'll throw if it's invalid. + UserID.from_string(invitee) + yield self.hs.get_handlers().message_handler.create_and_send_event( + { + "type": EventTypes.Member, + "content": { + "membership": unicode("invite") + }, + "room_id": room_id, + "sender": inviter.to_string(), + "state_key": invitee, + }, + token_id=token_id, + txn_id=txn_id, + ) + else: + yield self._make_and_store_3pid_invite( + id_server, + display_name, + medium, + address, + room_id, + inviter, + token_id, + txn_id=txn_id + ) + + @defer.inlineCallbacks + def _lookup_3pid(self, id_server, medium, address): + """Looks up a 3pid in the passed identity server. + + Args: + id_server (str): The server name (including port, if required) + of the identity server to use. + medium (str): The type of the third party identifier (e.g. "email"). + address (str): The third party identifier (e.g. "foo@example.com"). + + Returns: + (str) the matrix ID of the 3pid, or None if it is not recognized. + """ + try: + data = yield self.hs.get_simple_http_client().get_json( + "https://%s/_matrix/identity/api/v1/lookup" % (id_server,), + { + "medium": medium, + "address": address, + } + ) + + if "mxid" in data: + if "signatures" not in data: + raise AuthError(401, "No signatures on 3pid binding") + self.verify_any_signature(data, id_server) + defer.returnValue(data["mxid"]) + + except IOError as e: + logger.warn("Error from identity server lookup: %s" % (e,)) + defer.returnValue(None) + + @defer.inlineCallbacks + def verify_any_signature(self, data, server_hostname): + if server_hostname not in data["signatures"]: + raise AuthError(401, "No signature from server %s" % (server_hostname,)) + for key_name, signature in data["signatures"][server_hostname].items(): + key_data = yield self.hs.get_simple_http_client().get_json( + "https://%s/_matrix/identity/api/v1/pubkey/%s" % + (server_hostname, key_name,), + ) + if "public_key" not in key_data: + raise AuthError(401, "No public key named %s from %s" % + (key_name, server_hostname,)) + verify_signed_json( + data, + server_hostname, + decode_verify_key_bytes(key_name, decode_base64(key_data["public_key"])) + ) + return + + @defer.inlineCallbacks + def _make_and_store_3pid_invite( + self, + id_server, + display_name, + medium, + address, + room_id, + user, + token_id, + txn_id + ): + token, public_key, key_validity_url = ( + yield self._ask_id_server_for_third_party_invite( + id_server, + medium, + address, + room_id, + user.to_string() + ) + ) + msg_handler = self.hs.get_handlers().message_handler + yield msg_handler.create_and_send_event( + { + "type": EventTypes.ThirdPartyInvite, + "content": { + "display_name": display_name, + "key_validity_url": key_validity_url, + "public_key": public_key, + }, + "room_id": room_id, + "sender": user.to_string(), + "state_key": token, + }, + token_id=token_id, + txn_id=txn_id, + ) + + @defer.inlineCallbacks + def _ask_id_server_for_third_party_invite( + self, id_server, medium, address, room_id, sender): + is_url = "https://%s/_matrix/identity/api/v1/store-invite" % (id_server,) + data = yield self.hs.get_simple_http_client().post_urlencoded_get_json( + is_url, + { + "medium": medium, + "address": address, + "room_id": room_id, + "sender": sender, + } + ) + # TODO: Check for success + token = data["token"] + public_key = data["public_key"] + key_validity_url = "https://%s/_matrix/identity/api/v1/pubkey/isvalid" % ( + id_server, + ) + defer.returnValue((token, public_key, key_validity_url)) + class RoomListHandler(BaseHandler): |