From b370fe61c0aeccac7745ad404dad925ec217ba6d Mon Sep 17 00:00:00 2001 From: David Baker Date: Wed, 28 Mar 2018 17:18:02 +0100 Subject: [PATCH] Implement group join API --- synapse/federation/transport/client.py | 13 ++++++++ synapse/federation/transport/server.py | 18 +++++++++++ synapse/groups/groups_server.py | 45 ++++++++++++++++++++++++++ synapse/handlers/groups_local.py | 40 ++++++++++++++++++++++- synapse/storage/group_server.py | 12 +++++-- 5 files changed, 124 insertions(+), 4 deletions(-) diff --git a/synapse/federation/transport/client.py b/synapse/federation/transport/client.py index 3beab4783..370f7ba78 100644 --- a/synapse/federation/transport/client.py +++ b/synapse/federation/transport/client.py @@ -614,6 +614,19 @@ class TransportLayerClient(object): ignore_backoff=True, ) + @log_function + def join_group(self, destination, group_id, user_id, content): + """Attempts to join a group + """ + path = PREFIX + "/groups/%s/users/%s/join" % (group_id, user_id) + + return self.client.post_json( + destination=destination, + path=path, + data=content, + ignore_backoff=True, + ) + @log_function def invite_to_group(self, destination, group_id, user_id, requester_user_id, content): """Invite a user to a group diff --git a/synapse/federation/transport/server.py b/synapse/federation/transport/server.py index b98e30459..4c94d5a36 100644 --- a/synapse/federation/transport/server.py +++ b/synapse/federation/transport/server.py @@ -803,6 +803,23 @@ class FederationGroupsAcceptInviteServlet(BaseFederationServlet): defer.returnValue((200, new_content)) +class FederationGroupsJoinServlet(BaseFederationServlet): + """Attempt to join a group + """ + PATH = "/groups/(?P[^/]*)/users/(?P[^/]*)/join$" + + @defer.inlineCallbacks + def on_POST(self, origin, content, query, group_id, user_id): + if get_domain_from_id(user_id) != origin: + raise SynapseError(403, "user_id doesn't match origin") + + new_content = yield self.handler.join_group( + group_id, user_id, content, + ) + + defer.returnValue((200, new_content)) + + class FederationGroupsRemoveUserServlet(BaseFederationServlet): """Leave or kick a user from the group """ @@ -1182,6 +1199,7 @@ GROUP_SERVER_SERVLET_CLASSES = ( FederationGroupsInvitedUsersServlet, FederationGroupsInviteServlet, FederationGroupsAcceptInviteServlet, + FederationGroupsJoinServlet, FederationGroupsRemoveUserServlet, FederationGroupsSummaryRoomsServlet, FederationGroupsCategoriesServlet, diff --git a/synapse/groups/groups_server.py b/synapse/groups/groups_server.py index 70781e185..77b6273e3 100644 --- a/synapse/groups/groups_server.py +++ b/synapse/groups/groups_server.py @@ -723,6 +723,51 @@ class GroupsServerHandler(object): "attestation": local_attestation, }) + @defer.inlineCallbacks + def join_group(self, group_id, requester_user_id, content): + """User tries to join the group. + + This will error if the group requires an invite/knock to join + """ + + yield self.check_group_is_ours(group_id, requester_user_id, and_exists=True) + + group_info = yield self.store.get_group( + group_id, + ) + if not group_info['is_joinable']: + raise SynapseError(403, "Group is not publicly joinable") + + if not self.hs.is_mine_id(requester_user_id): + local_attestation = self.attestations.create_attestation( + group_id, requester_user_id, + ) + remote_attestation = content["attestation"] + + yield self.attestations.verify_attestation( + remote_attestation, + user_id=requester_user_id, + group_id=group_id, + ) + else: + local_attestation = None + remote_attestation = None + + is_public = _parse_visibility_from_contents(content) + + yield self.store.add_user_to_group( + group_id, requester_user_id, + is_admin=False, + is_public=is_public, + local_attestation=local_attestation, + remote_attestation=remote_attestation, + ) + + defer.returnValue({ + "state": "join", + "attestation": local_attestation, + }) + @defer.inlineCallbacks def knock(self, group_id, requester_user_id, content): """A user requests becoming a member of the group diff --git a/synapse/handlers/groups_local.py b/synapse/handlers/groups_local.py index 5f7b0ff30..977993e7d 100644 --- a/synapse/handlers/groups_local.py +++ b/synapse/handlers/groups_local.py @@ -229,7 +229,45 @@ class GroupsLocalHandler(object): def join_group(self, group_id, user_id, content): """Request to join a group """ - raise NotImplementedError() # TODO + if self.is_mine_id(group_id): + yield self.groups_server_handler.join_group( + group_id, user_id, content + ) + local_attestation = None + remote_attestation = None + else: + local_attestation = self.attestations.create_attestation(group_id, user_id) + content["attestation"] = local_attestation + + res = yield self.transport_client.join_group( + get_domain_from_id(group_id), group_id, user_id, content, + ) + + remote_attestation = res["attestation"] + + yield self.attestations.verify_attestation( + remote_attestation, + group_id=group_id, + user_id=user_id, + server_name=get_domain_from_id(group_id), + ) + + # TODO: Check that the group is public and we're being added publically + is_publicised = content.get("publicise", False) + + token = yield self.store.register_user_group_membership( + group_id, user_id, + membership="join", + is_admin=False, + local_attestation=local_attestation, + remote_attestation=remote_attestation, + is_publicised=is_publicised, + ) + self.notifier.on_new_event( + "groups_key", token, users=[user_id], + ) + + defer.returnValue({}) @defer.inlineCallbacks def accept_invite(self, group_id, user_id, content): diff --git a/synapse/storage/group_server.py b/synapse/storage/group_server.py index db316a27e..16c11a056 100644 --- a/synapse/storage/group_server.py +++ b/synapse/storage/group_server.py @@ -48,19 +48,25 @@ class GroupServerStore(SQLBaseStore): desc="set_group_join_policy", ) + @defer.inlineCallbacks def get_group(self, group_id): - return self._simple_select_one( + ret = yield self._simple_select_one( table="groups", keyvalues={ "group_id": group_id, }, retcols=( - "name", "short_description", "long_description", "avatar_url", "is_public" + "name", "short_description", "long_description", "avatar_url", "is_public", "is_joinable", ), allow_none=True, - desc="is_user_in_group", + desc="get_group", ) + if ret and 'is_joinable' in ret: + ret['is_joinable'] = bool(ret['is_joinable']) + + defer.returnValue(ret) + def get_users_in_group(self, group_id, include_private=False): # TODO: Pagination