Merge branch 'develop' of github.com:matrix-org/synapse into rejections

1 files changed, 560 insertions, 0 deletions

diff --git a/synapse/rest/client/v1/room.py b/synapse/rest/client/v1/room.py
new file mode 100644
index 0000000000..f06e3ddb98
--- /dev/null
+++ b/synapse/rest/client/v1/room.py
@@ -0,0 +1,560 @@
+# -*- coding: utf-8 -*-
+# Copyright 2014, 2015 OpenMarket Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+""" This module contains REST servlets to do with rooms: /rooms/<paths> """
+from twisted.internet import defer
+
+from base import ClientV1RestServlet, client_path_pattern
+from synapse.api.errors import SynapseError, Codes
+from synapse.streams.config import PaginationConfig
+from synapse.api.constants import EventTypes, Membership
+from synapse.types import UserID, RoomID, RoomAlias
+
+import json
+import logging
+import urllib
+
+
+logger = logging.getLogger(__name__)
+
+
+class RoomCreateRestServlet(ClientV1RestServlet):
+    # No PATTERN; we have custom dispatch rules here
+
+    def register(self, http_server):
+        PATTERN = "/createRoom"
+        register_txn_path(self, PATTERN, http_server)
+        # define CORS for all of /rooms in RoomCreateRestServlet for simplicity
+        http_server.register_path("OPTIONS",
+                                  client_path_pattern("/rooms(?:/.*)?$"),
+                                  self.on_OPTIONS)
+        # define CORS for /createRoom[/txnid]
+        http_server.register_path("OPTIONS",
+                                  client_path_pattern("/createRoom(?:/.*)?$"),
+                                  self.on_OPTIONS)
+
+    @defer.inlineCallbacks
+    def on_PUT(self, request, txn_id):
+        try:
+            defer.returnValue(
+                self.txns.get_client_transaction(request, txn_id)
+            )
+        except KeyError:
+            pass
+
+        response = yield self.on_POST(request)
+
+        self.txns.store_client_transaction(request, txn_id, response)
+        defer.returnValue(response)
+
+    @defer.inlineCallbacks
+    def on_POST(self, request):
+        auth_user = yield self.auth.get_user_by_req(request)
+
+        room_config = self.get_room_config(request)
+        info = yield self.make_room(room_config, auth_user, None)
+        room_config.update(info)
+        defer.returnValue((200, info))
+
+    @defer.inlineCallbacks
+    def make_room(self, room_config, auth_user, room_id):
+        handler = self.handlers.room_creation_handler
+        info = yield handler.create_room(
+            user_id=auth_user.to_string(),
+            room_id=room_id,
+            config=room_config
+        )
+        defer.returnValue(info)
+
+    def get_room_config(self, request):
+        try:
+            user_supplied_config = json.loads(request.content.read())
+            if "visibility" not in user_supplied_config:
+                # default visibility
+                user_supplied_config["visibility"] = "public"
+            return user_supplied_config
+        except (ValueError, TypeError):
+            raise SynapseError(400, "Body must be JSON.",
+                               errcode=Codes.BAD_JSON)
+
+    def on_OPTIONS(self, request):
+        return (200, {})
+
+
+# TODO: Needs unit testing for generic events
+class RoomStateEventRestServlet(ClientV1RestServlet):
+    def register(self, http_server):
+        # /room/$roomid/state/$eventtype
+        no_state_key = "/rooms/(?P<room_id>[^/]*)/state/(?P<event_type>[^/]*)$"
+
+        # /room/$roomid/state/$eventtype/$statekey
+        state_key = ("/rooms/(?P<room_id>[^/]*)/state/"
+                     "(?P<event_type>[^/]*)/(?P<state_key>[^/]*)$")
+
+        http_server.register_path("GET",
+                                  client_path_pattern(state_key),
+                                  self.on_GET)
+        http_server.register_path("PUT",
+                                  client_path_pattern(state_key),
+                                  self.on_PUT)
+        http_server.register_path("GET",
+                                  client_path_pattern(no_state_key),
+                                  self.on_GET_no_state_key)
+        http_server.register_path("PUT",
+                                  client_path_pattern(no_state_key),
+                                  self.on_PUT_no_state_key)
+
+    def on_GET_no_state_key(self, request, room_id, event_type):
+        return self.on_GET(request, room_id, event_type, "")
+
+    def on_PUT_no_state_key(self, request, room_id, event_type):
+        return self.on_PUT(request, room_id, event_type, "")
+
+    @defer.inlineCallbacks
+    def on_GET(self, request, room_id, event_type, state_key):
+        user = yield self.auth.get_user_by_req(request)
+
+        msg_handler = self.handlers.message_handler
+        data = yield msg_handler.get_room_data(
+            user_id=user.to_string(),
+            room_id=room_id,
+            event_type=event_type,
+            state_key=state_key,
+        )
+
+        if not data:
+            raise SynapseError(
+                404, "Event not found.", errcode=Codes.NOT_FOUND
+            )
+        defer.returnValue((200, data.get_dict()["content"]))
+
+    @defer.inlineCallbacks
+    def on_PUT(self, request, room_id, event_type, state_key):
+        user = yield self.auth.get_user_by_req(request)
+
+        content = _parse_json(request)
+
+        event_dict = {
+            "type": event_type,
+            "content": content,
+            "room_id": room_id,
+            "sender": user.to_string(),
+        }
+
+        if state_key is not None:
+            event_dict["state_key"] = state_key
+
+        msg_handler = self.handlers.message_handler
+        yield msg_handler.create_and_send_event(event_dict)
+
+        defer.returnValue((200, {}))
+
+
+# TODO: Needs unit testing for generic events + feedback
+class RoomSendEventRestServlet(ClientV1RestServlet):
+
+    def register(self, http_server):
+        # /rooms/$roomid/send/$event_type[/$txn_id]
+        PATTERN = ("/rooms/(?P<room_id>[^/]*)/send/(?P<event_type>[^/]*)")
+        register_txn_path(self, PATTERN, http_server, with_get=True)
+
+    @defer.inlineCallbacks
+    def on_POST(self, request, room_id, event_type):
+        user = yield self.auth.get_user_by_req(request)
+        content = _parse_json(request)
+
+        msg_handler = self.handlers.message_handler
+        event = yield msg_handler.create_and_send_event(
+            {
+                "type": event_type,
+                "content": content,
+                "room_id": room_id,
+                "sender": user.to_string(),
+            }
+        )
+
+        defer.returnValue((200, {"event_id": event.event_id}))
+
+    def on_GET(self, request, room_id, event_type, txn_id):
+        return (200, "Not implemented")
+
+    @defer.inlineCallbacks
+    def on_PUT(self, request, room_id, event_type, txn_id):
+        try:
+            defer.returnValue(
+                self.txns.get_client_transaction(request, txn_id)
+            )
+        except KeyError:
+            pass
+
+        response = yield self.on_POST(request, room_id, event_type)
+
+        self.txns.store_client_transaction(request, txn_id, response)
+        defer.returnValue(response)
+
+
+# TODO: Needs unit testing for room ID + alias joins
+class JoinRoomAliasServlet(ClientV1RestServlet):
+
+    def register(self, http_server):
+        # /join/$room_identifier[/$txn_id]
+        PATTERN = ("/join/(?P<room_identifier>[^/]*)")
+        register_txn_path(self, PATTERN, http_server)
+
+    @defer.inlineCallbacks
+    def on_POST(self, request, room_identifier):
+        user = yield self.auth.get_user_by_req(request)
+
+        # the identifier could be a room alias or a room id. Try one then the
+        # other if it fails to parse, without swallowing other valid
+        # SynapseErrors.
+
+        identifier = None
+        is_room_alias = False
+        try:
+            identifier = RoomAlias.from_string(room_identifier)
+            is_room_alias = True
+        except SynapseError:
+            identifier = RoomID.from_string(room_identifier)
+
+        # TODO: Support for specifying the home server to join with?
+
+        if is_room_alias:
+            handler = self.handlers.room_member_handler
+            ret_dict = yield handler.join_room_alias(user, identifier)
+            defer.returnValue((200, ret_dict))
+        else:  # room id
+            msg_handler = self.handlers.message_handler
+            yield msg_handler.create_and_send_event(
+                {
+                    "type": EventTypes.Member,
+                    "content": {"membership": Membership.JOIN},
+                    "room_id": identifier.to_string(),
+                    "sender": user.to_string(),
+                    "state_key": user.to_string(),
+                }
+            )
+
+            defer.returnValue((200, {"room_id": identifier.to_string()}))
+
+    @defer.inlineCallbacks
+    def on_PUT(self, request, room_identifier, txn_id):
+        try:
+            defer.returnValue(
+                self.txns.get_client_transaction(request, txn_id)
+            )
+        except KeyError:
+            pass
+
+        response = yield self.on_POST(request, room_identifier)
+
+        self.txns.store_client_transaction(request, txn_id, response)
+        defer.returnValue(response)
+
+
+# TODO: Needs unit testing
+class PublicRoomListRestServlet(ClientV1RestServlet):
+    PATTERN = client_path_pattern("/publicRooms$")
+
+    @defer.inlineCallbacks
+    def on_GET(self, request):
+        handler = self.handlers.room_list_handler
+        data = yield handler.get_public_room_list()
+        defer.returnValue((200, data))
+
+
+# TODO: Needs unit testing
+class RoomMemberListRestServlet(ClientV1RestServlet):
+    PATTERN = client_path_pattern("/rooms/(?P<room_id>[^/]*)/members$")
+
+    @defer.inlineCallbacks
+    def on_GET(self, request, room_id):
+        # TODO support Pagination stream API (limit/tokens)
+        user = yield self.auth.get_user_by_req(request)
+        handler = self.handlers.room_member_handler
+        members = yield handler.get_room_members_as_pagination_chunk(
+            room_id=room_id,
+            user_id=user.to_string())
+
+        for event in members["chunk"]:
+            # FIXME: should probably be state_key here, not user_id
+            target_user = UserID.from_string(event["user_id"])
+            # Presence is an optional cache; don't fail if we can't fetch it
+            try:
+                presence_handler = self.handlers.presence_handler
+                presence_state = yield presence_handler.get_state(
+                    target_user=target_user, auth_user=user
+                )
+                event["content"].update(presence_state)
+            except:
+                pass
+
+        defer.returnValue((200, members))
+
+
+# TODO: Needs unit testing
+class RoomMessageListRestServlet(ClientV1RestServlet):
+    PATTERN = client_path_pattern("/rooms/(?P<room_id>[^/]*)/messages$")
+
+    @defer.inlineCallbacks
+    def on_GET(self, request, room_id):
+        user = yield self.auth.get_user_by_req(request)
+        pagination_config = PaginationConfig.from_request(
+            request, default_limit=10,
+        )
+        with_feedback = "feedback" in request.args
+        as_client_event = "raw" not in request.args
+        handler = self.handlers.message_handler
+        msgs = yield handler.get_messages(
+            room_id=room_id,
+            user_id=user.to_string(),
+            pagin_config=pagination_config,
+            feedback=with_feedback,
+            as_client_event=as_client_event
+        )
+
+        defer.returnValue((200, msgs))
+
+
+# TODO: Needs unit testing
+class RoomStateRestServlet(ClientV1RestServlet):
+    PATTERN = client_path_pattern("/rooms/(?P<room_id>[^/]*)/state$")
+
+    @defer.inlineCallbacks
+    def on_GET(self, request, room_id):
+        user = yield self.auth.get_user_by_req(request)
+        handler = self.handlers.message_handler
+        # Get all the current state for this room
+        events = yield handler.get_state_events(
+            room_id=room_id,
+            user_id=user.to_string(),
+        )
+        defer.returnValue((200, events))
+
+
+# TODO: Needs unit testing
+class RoomInitialSyncRestServlet(ClientV1RestServlet):
+    PATTERN = client_path_pattern("/rooms/(?P<room_id>[^/]*)/initialSync$")
+
+    @defer.inlineCallbacks
+    def on_GET(self, request, room_id):
+        user = yield self.auth.get_user_by_req(request)
+        pagination_config = PaginationConfig.from_request(request)
+        content = yield self.handlers.message_handler.room_initial_sync(
+            room_id=room_id,
+            user_id=user.to_string(),
+            pagin_config=pagination_config,
+        )
+        defer.returnValue((200, content))
+
+
+class RoomTriggerBackfill(ClientV1RestServlet):
+    PATTERN = client_path_pattern("/rooms/(?P<room_id>[^/]*)/backfill$")
+
+    @defer.inlineCallbacks
+    def on_GET(self, request, room_id):
+        remote_server = urllib.unquote(
+            request.args["remote"][0]
+        ).decode("UTF-8")
+
+        limit = int(request.args["limit"][0])
+
+        handler = self.handlers.federation_handler
+        events = yield handler.backfill(remote_server, room_id, limit)
+
+        res = [self.hs.serialize_event(event) for event in events]
+        defer.returnValue((200, res))
+
+
+# TODO: Needs unit testing
+class RoomMembershipRestServlet(ClientV1RestServlet):
+
+    def register(self, http_server):
+        # /rooms/$roomid/[invite|join|leave]
+        PATTERN = ("/rooms/(?P<room_id>[^/]*)/"
+                   "(?P<membership_action>join|invite|leave|ban|kick)")
+        register_txn_path(self, PATTERN, http_server)
+
+    @defer.inlineCallbacks
+    def on_POST(self, request, room_id, membership_action):
+        user = yield self.auth.get_user_by_req(request)
+
+        content = _parse_json(request)
+
+        # target user is you unless it is an invite
+        state_key = user.to_string()
+        if membership_action in ["invite", "ban", "kick"]:
+            if "user_id" not in content:
+                raise SynapseError(400, "Missing user_id key.")
+            state_key = content["user_id"]
+
+            if membership_action == "kick":
+                membership_action = "leave"
+
+        msg_handler = self.handlers.message_handler
+        yield msg_handler.create_and_send_event(
+            {
+                "type": EventTypes.Member,
+                "content": {"membership": unicode(membership_action)},
+                "room_id": room_id,
+                "sender": user.to_string(),
+                "state_key": state_key,
+            }
+        )
+
+        defer.returnValue((200, {}))
+
+    @defer.inlineCallbacks
+    def on_PUT(self, request, room_id, membership_action, txn_id):
+        try:
+            defer.returnValue(
+                self.txns.get_client_transaction(request, txn_id)
+            )
+        except KeyError:
+            pass
+
+        response = yield self.on_POST(request, room_id, membership_action)
+
+        self.txns.store_client_transaction(request, txn_id, response)
+        defer.returnValue(response)
+
+
+class RoomRedactEventRestServlet(ClientV1RestServlet):
+    def register(self, http_server):
+        PATTERN = ("/rooms/(?P<room_id>[^/]*)/redact/(?P<event_id>[^/]*)")
+        register_txn_path(self, PATTERN, http_server)
+
+    @defer.inlineCallbacks
+    def on_POST(self, request, room_id, event_id):
+        user = yield self.auth.get_user_by_req(request)
+        content = _parse_json(request)
+
+        msg_handler = self.handlers.message_handler
+        event = yield msg_handler.create_and_send_event(
+            {
+                "type": EventTypes.Redaction,
+                "content": content,
+                "room_id": room_id,
+                "sender": user.to_string(),
+                "redacts": event_id,
+            }
+        )
+
+        defer.returnValue((200, {"event_id": event.event_id}))
+
+    @defer.inlineCallbacks
+    def on_PUT(self, request, room_id, event_id, txn_id):
+        try:
+            defer.returnValue(
+                self.txns.get_client_transaction(request, txn_id)
+            )
+        except KeyError:
+            pass
+
+        response = yield self.on_POST(request, room_id, event_id)
+
+        self.txns.store_client_transaction(request, txn_id, response)
+        defer.returnValue(response)
+
+
+class RoomTypingRestServlet(ClientV1RestServlet):
+    PATTERN = client_path_pattern(
+        "/rooms/(?P<room_id>[^/]*)/typing/(?P<user_id>[^/]*)$"
+    )
+
+    @defer.inlineCallbacks
+    def on_PUT(self, request, room_id, user_id):
+        auth_user = yield self.auth.get_user_by_req(request)
+
+        room_id = urllib.unquote(room_id)
+        target_user = UserID.from_string(urllib.unquote(user_id))
+
+        content = _parse_json(request)
+
+        typing_handler = self.handlers.typing_notification_handler
+
+        if content["typing"]:
+            yield typing_handler.started_typing(
+                target_user=target_user,
+                auth_user=auth_user,
+                room_id=room_id,
+                timeout=content.get("timeout", 30000),
+            )
+        else:
+            yield typing_handler.stopped_typing(
+                target_user=target_user,
+                auth_user=auth_user,
+                room_id=room_id,
+            )
+
+        defer.returnValue((200, {}))
+
+
+def _parse_json(request):
+    try:
+        content = json.loads(request.content.read())
+        if type(content) != dict:
+            raise SynapseError(400, "Content must be a JSON object.",
+                               errcode=Codes.NOT_JSON)
+        return content
+    except ValueError:
+        raise SynapseError(400, "Content not JSON.", errcode=Codes.NOT_JSON)
+
+
+def register_txn_path(servlet, regex_string, http_server, with_get=False):
+    """Registers a transaction-based path.
+
+    This registers two paths:
+        PUT regex_string/$txnid
+        POST regex_string
+
+    Args:
+        regex_string (str): The regex string to register. Must NOT have a
+        trailing $ as this string will be appended to.
+        http_server : The http_server to register paths with.
+        with_get: True to also register respective GET paths for the PUTs.
+    """
+    http_server.register_path(
+        "POST",
+        client_path_pattern(regex_string + "$"),
+        servlet.on_POST
+    )
+    http_server.register_path(
+        "PUT",
+        client_path_pattern(regex_string + "/(?P<txn_id>[^/]*)$"),
+        servlet.on_PUT
+    )
+    if with_get:
+        http_server.register_path(
+            "GET",
+            client_path_pattern(regex_string + "/(?P<txn_id>[^/]*)$"),
+            servlet.on_GET
+        )
+
+
+def register_servlets(hs, http_server):
+    RoomStateEventRestServlet(hs).register(http_server)
+    RoomCreateRestServlet(hs).register(http_server)
+    RoomMemberListRestServlet(hs).register(http_server)
+    RoomMessageListRestServlet(hs).register(http_server)
+    JoinRoomAliasServlet(hs).register(http_server)
+    RoomTriggerBackfill(hs).register(http_server)
+    RoomMembershipRestServlet(hs).register(http_server)
+    RoomSendEventRestServlet(hs).register(http_server)
+    PublicRoomListRestServlet(hs).register(http_server)
+    RoomStateRestServlet(hs).register(http_server)
+    RoomInitialSyncRestServlet(hs).register(http_server)
+    RoomRedactEventRestServlet(hs).register(http_server)
+    RoomTypingRestServlet(hs).register(http_server)