diff --git a/synapse/api/auth.py b/synapse/api/auth.py index 9eb0491c9..462e97bd9 100644 --- a/synapse/api/auth.py +++ b/synapse/api/auth.py @@ -21,8 +21,8 @@ from synapse.api.constants import Membership, JoinRules from synapse.api.errors import AuthError, StoreError, Codes, SynapseError from synapse.api.events.room import ( RoomMemberEvent, RoomPowerLevelsEvent, RoomRedactionEvent, - RoomJoinRulesEvent, RoomOpsPowerLevelsEvent, InviteJoinEvent, - RoomCreateEvent, RoomSendEventLevelEvent, RoomAddStateLevelEvent, + RoomJoinRulesEvent, InviteJoinEvent, + RoomCreateEvent, ) from synapse.util.logutils import log_function @@ -51,6 +51,7 @@ class Auth(object): if event.old_state_events is None: # Oh, we don't know what the state of the room was, so we # are trusting that this is allowed (at least for now) + logger.warn("Trusting event: %s", event.event_id) return True if hasattr(event, "outlier") and event.outlier is True: @@ -64,7 +65,7 @@ class Auth(object): return True if event.type == RoomMemberEvent.TYPE: - self._can_replace_state(event) + self._can_send_event(event) allowed = self.is_membership_change_allowed(event) if allowed: logger.debug("Allowing! %s", event) @@ -72,16 +73,7 @@ class Auth(object): logger.debug("Denying! %s", event) return allowed - if not event.type == InviteJoinEvent.TYPE: - self.check_event_sender_in_room(event) - - if is_state: - # TODO (erikj): This really only should be called for *new* - # state - self._can_add_state(event) - self._can_replace_state(event) - else: - self._can_send_event(event) + self._can_send_event(event) if event.type == RoomPowerLevelsEvent.TYPE: self._check_power_levels(event) @@ -239,21 +231,21 @@ class Auth(object): power_level_event = event.old_state_events.get(key) level = None if power_level_event: - level = power_level_event.content.get(user_id) + level = power_level_event.content.get("users", {}).get(user_id) if not level: - level = power_level_event.content.get("default", 0) + level = power_level_event.content.get("users_default", 0) return level def _get_ops_level_from_event_state(self, event): - key = (RoomOpsPowerLevelsEvent.TYPE, "", ) - ops_event = event.old_state_events.get(key) + key = (RoomPowerLevelsEvent.TYPE, "", ) + power_level_event = event.old_state_events.get(key) - if ops_event: + if power_level_event: return ( - ops_event.content.get("ban_level"), - ops_event.content.get("kick_level"), - ops_event.content.get("redact_level"), + power_level_event.content.get("ban", 50), + power_level_event.content.get("kick", 50), + power_level_event.content.get("redact", 50), ) return None, None, None, @@ -325,13 +317,22 @@ class Auth(object): @log_function def _can_send_event(self, event): - key = (RoomSendEventLevelEvent.TYPE, "", ) + key = (RoomPowerLevelsEvent.TYPE, "", ) send_level_event = event.old_state_events.get(key) send_level = None if send_level_event: - send_level = send_level_event.content.get(event.user_id) + send_level = send_level_event.content.get("events", {}).get( + event.type + ) if not send_level: - send_level = send_level_event.content.get("level", 0) + if hasattr(event, "state_key"): + send_level = send_level_event.content.get( + "state_default", 50 + ) + else: + send_level = send_level_event.content.get( + "events_default", 0 + ) if send_level: send_level = int(send_level) @@ -350,85 +351,21 @@ class Auth(object): if user_level < send_level: raise AuthError( - 403, "You don't have permission to post to the room" + 403, "You don't have permission to post that to the room" ) return True - def _can_add_state(self, event): - key = (RoomAddStateLevelEvent.TYPE, "", ) - add_level_event = event.old_state_events.get(key) - add_level = None - if add_level_event: - add_level = add_level_event.content.get(event.user_id) - if not add_level: - add_level = add_level_event.content.get("level", 0) - - if add_level: - add_level = int(add_level) - else: - add_level = 0 - - user_level = self._get_power_level_from_event_state( - event, - event.user_id, - ) - - user_level = int(user_level) - - if user_level < add_level: - raise AuthError( - 403, "You don't have permission to add state to the room" - ) - - return True - - def _can_replace_state(self, event): - user_level = self._get_power_level_from_event_state( - event, - event.user_id, - ) - - if user_level: - user_level = int(user_level) - else: - user_level = 0 - - logger.debug( - "Checking power level for %s, %s", event.user_id, user_level - ) - - key = (event.type, event.state_key, ) - current_state = event.old_state_events.get(key) - - if current_state and hasattr(current_state, "required_power_level"): - req = current_state.required_power_level - - logger.debug("Checked power level for %s, %s", event.user_id, req) - if user_level < req: - raise AuthError( - 403, - "You don't have permission to change that state" - ) - def _check_redaction(self, event): user_level = self._get_power_level_from_event_state( event, event.user_id, ) - if user_level: - user_level = int(user_level) - else: - user_level = 0 - _, _, redact_level = self._get_ops_level_from_event_state( event ) - if not redact_level: - redact_level = 50 - if user_level < redact_level: raise AuthError( 403, @@ -436,14 +373,9 @@ class Auth(object): ) def _check_power_levels(self, event): - for k, v in event.content.items(): - if k == "default": - continue - - # FIXME (erikj): We don't want hsob_Ts in content. - if k == "hsob_ts": - continue - + user_list = event.content.get("users", {}) + # Validate users + for k, v in user_list.items(): try: self.hs.parse_userid(k) except: @@ -459,72 +391,63 @@ class Auth(object): if not current_state: return - else: - current_state = current_state[0] user_level = self._get_power_level_from_event_state( event, event.user_id, ) - if user_level: - user_level = int(user_level) - else: - user_level = 0 + # Check other levels: + levels_to_check = [ + ("users_default", []), + ("events_default", []), + ("ban", []), + ("redact", []), + ("kick", []), + ] - old_list = current_state.content + old_list = current_state.content.get("users") + for user in set(old_list.keys() + user_list.keys()): + levels_to_check.append( + (user, ["users"]) + ) - # FIXME (erikj) - old_people = {k: v for k, v in old_list.items() if k.startswith("@")} - new_people = { - k: v for k, v in event.content.items() - if k.startswith("@") - } + old_list = current_state.content.get("events") + new_list = event.content.get("events") + for ev_id in set(old_list.keys() + new_list.keys()): + levels_to_check.append( + (ev_id, ["events"]) + ) - removed = set(old_people.keys()) - set(new_people.keys()) - added = set(new_people.keys()) - set(old_people.keys()) - same = set(old_people.keys()) & set(new_people.keys()) + old_state = current_state.content + new_state = event.content - for r in removed: - if int(old_list[r]) > user_level: - raise AuthError( - 403, - "You don't have permission to remove user: %s" % (r, ) - ) + for level_to_check, dir in levels_to_check: + old_loc = old_state + for d in dir: + old_loc = old_loc.get(d, {}) - for n in added: - if int(event.content[n]) > user_level: + new_loc = new_state + for d in dir: + new_loc = new_loc.get(d, {}) + + if level_to_check in old_loc: + old_level = int(old_loc[level_to_check]) + else: + old_level = None + + if level_to_check in new_loc: + new_level = int(new_loc[level_to_check]) + else: + new_level = None + + if new_level is not None and old_level is not None: + if new_level == old_level: + continue + + if old_level > user_level or new_level > user_level: raise AuthError( 403, "You don't have permission to add ops level greater " "than your own" ) - - for s in same: - if int(event.content[s]) != int(old_list[s]): - if int(event.content[s]) > user_level: - raise AuthError( - 403, - "You don't have permission to add ops level greater " - "than your own" - ) - - if "default" in old_list: - old_default = int(old_list["default"]) - - if old_default > user_level: - raise AuthError( - 403, - "You don't have permission to add ops level greater than " - "your own" - ) - - if "default" in event.content: - new_default = int(event.content["default"]) - - if new_default > user_level: - raise AuthError( - 403, - "You don't have permission to add ops level greater " - "than your own" - ) diff --git a/synapse/api/events/__init__.py b/synapse/api/events/__init__.py index 98a66144e..84d3a9836 100644 --- a/synapse/api/events/__init__.py +++ b/synapse/api/events/__init__.py @@ -56,12 +56,12 @@ class SynapseEvent(JsonEncodedObject): "user_id", # sender/initiator "content", # HTTP body, JSON "state_key", - "required_power_level", "age_ts", "prev_content", "replaces_state", "redacted_because", "origin_server_ts", + "auth_chains", ] internal_keys = [ @@ -70,7 +70,6 @@ class SynapseEvent(JsonEncodedObject): "destinations", "origin", "outlier", - "power_level", "redacted", "prev_events", "hashes", diff --git a/synapse/api/events/factory.py b/synapse/api/events/factory.py index 9134c82ef..a1ec708a8 100644 --- a/synapse/api/events/factory.py +++ b/synapse/api/events/factory.py @@ -16,8 +16,8 @@ from synapse.api.events.room import ( RoomTopicEvent, MessageEvent, RoomMemberEvent, FeedbackEvent, InviteJoinEvent, RoomConfigEvent, RoomNameEvent, GenericEvent, - RoomPowerLevelsEvent, RoomJoinRulesEvent, RoomOpsPowerLevelsEvent, - RoomCreateEvent, RoomAddStateLevelEvent, RoomSendEventLevelEvent, + RoomPowerLevelsEvent, RoomJoinRulesEvent, + RoomCreateEvent, RoomRedactionEvent, ) @@ -39,9 +39,6 @@ class EventFactory(object): RoomPowerLevelsEvent, RoomJoinRulesEvent, RoomCreateEvent, - RoomAddStateLevelEvent, - RoomSendEventLevelEvent, - RoomOpsPowerLevelsEvent, RoomRedactionEvent, ] diff --git a/synapse/api/events/room.py b/synapse/api/events/room.py index cd936074f..25bc88370 100644 --- a/synapse/api/events/room.py +++ b/synapse/api/events/room.py @@ -153,28 +153,6 @@ class RoomPowerLevelsEvent(SynapseStateEvent): def get_content_template(self): return {} - -class RoomAddStateLevelEvent(SynapseStateEvent): - TYPE = "m.room.add_state_level" - - def get_content_template(self): - return {} - - -class RoomSendEventLevelEvent(SynapseStateEvent): - TYPE = "m.room.send_event_level" - - def get_content_template(self): - return {} - - -class RoomOpsPowerLevelsEvent(SynapseStateEvent): - TYPE = "m.room.ops_levels" - - def get_content_template(self): - return {} - - class RoomAliasesEvent(SynapseStateEvent): TYPE = "m.room.aliases" diff --git a/synapse/api/events/utils.py b/synapse/api/events/utils.py index 31601fd3a..5fc79105b 100644 --- a/synapse/api/events/utils.py +++ b/synapse/api/events/utils.py @@ -15,7 +15,6 @@ from .room import ( RoomMemberEvent, RoomJoinRulesEvent, RoomPowerLevelsEvent, - RoomAddStateLevelEvent, RoomSendEventLevelEvent, RoomOpsPowerLevelsEvent, RoomAliasesEvent, RoomCreateEvent, ) @@ -52,17 +51,17 @@ def _prune_event_or_pdu(event_type, event): elif event_type == RoomJoinRulesEvent.TYPE: add_fields("join_rule") elif event_type == RoomPowerLevelsEvent.TYPE: - # TODO: Actually check these are valid user_ids etc. - add_fields("default") - for k, v in event.content.items(): - if k.startswith("@") and isinstance(v, (int, long)): - new_content[k] = v - elif event_type == RoomAddStateLevelEvent.TYPE: - add_fields("level") - elif event_type == RoomSendEventLevelEvent.TYPE: - add_fields("level") - elif event_type == RoomOpsPowerLevelsEvent.TYPE: - add_fields("kick_level", "ban_level", "redact_level") + add_fields( + "users", + "users_default", + "events", + "events_default", + "events_default", + "state_default", + "ban", + "kick", + "redact", + ) elif event_type == RoomAliasesEvent.TYPE: add_fields("aliases") diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py index 55c893eb5..42a6c9f9b 100644 --- a/synapse/handlers/room.py +++ b/synapse/handlers/room.py @@ -21,8 +21,7 @@ from synapse.api.constants import Membership, JoinRules from synapse.api.errors import StoreError, SynapseError from synapse.api.events.room import ( RoomMemberEvent, RoomCreateEvent, RoomPowerLevelsEvent, - RoomJoinRulesEvent, RoomAddStateLevelEvent, RoomTopicEvent, - RoomSendEventLevelEvent, RoomOpsPowerLevelsEvent, RoomNameEvent, + RoomTopicEvent, RoomNameEvent, RoomJoinRulesEvent, ) from synapse.util import stringutils from ._base import BaseHandler @@ -139,7 +138,6 @@ class RoomCreationHandler(BaseHandler): etype=RoomNameEvent.TYPE, room_id=room_id, user_id=user_id, - required_power_level=50, content={"name": name}, ) @@ -151,7 +149,6 @@ class RoomCreationHandler(BaseHandler): etype=RoomTopicEvent.TYPE, room_id=room_id, user_id=user_id, - required_power_level=50, content={"topic": topic}, ) @@ -196,7 +193,6 @@ class RoomCreationHandler(BaseHandler): event_keys = { "room_id": room_id, "user_id": creator.to_string(), - "required_power_level": 100, } def create(etype, **content): @@ -213,7 +209,21 @@ class RoomCreationHandler(BaseHandler): power_levels_event = self.event_factory.create_event( etype=RoomPowerLevelsEvent.TYPE, - content={creator.to_string(): 100, "default": 0}, + content={ + "users": { + creator.to_string(): 100, + }, + "users_default": 0, + "events": { + RoomNameEvent.TYPE: 100, + RoomPowerLevelsEvent.TYPE: 100, + }, + "events_default": 0, + "state_default": 50, + "ban": 50, + "kick": 50, + "redact": 50 + }, **event_keys ) @@ -223,30 +233,10 @@ class RoomCreationHandler(BaseHandler): join_rule=join_rule, ) - add_state_event = create( - etype=RoomAddStateLevelEvent.TYPE, - level=100, - ) - - send_event = create( - etype=RoomSendEventLevelEvent.TYPE, - level=0, - ) - - ops = create( - etype=RoomOpsPowerLevelsEvent.TYPE, - ban_level=50, - kick_level=50, - redact_level=50, - ) - return [ creation_event, power_levels_event, join_rules_event, - add_state_event, - send_event, - ops, ] @@ -388,16 +378,6 @@ class RoomMemberHandler(BaseHandler): else: # This is not a JOIN, so we can handle it normally. - # If we're banning someone, set a req power level - if event.membership == Membership.BAN: - if not hasattr(event, "required_power_level") or event.required_power_level is None: - # Add some default required_power_level - user_level = yield self.store.get_power_level( - event.room_id, - event.user_id, - ) - event.required_power_level = user_level - if prev_state and prev_state.membership == event.membership: # double same action, treat this event as a NOOP. defer.returnValue({}) diff --git a/synapse/storage/__init__.py b/synapse/storage/__init__.py index 2d62fc2ed..2a1970914 100644 --- a/synapse/storage/__init__.py +++ b/synapse/storage/__init__.py @@ -17,13 +17,9 @@ from twisted.internet import defer from synapse.api.events.room import ( RoomMemberEvent, RoomTopicEvent, FeedbackEvent, -# RoomConfigEvent, RoomNameEvent, RoomJoinRulesEvent, RoomPowerLevelsEvent, - RoomAddStateLevelEvent, - RoomSendEventLevelEvent, - RoomOpsPowerLevelsEvent, RoomRedactionEvent, ) @@ -166,14 +162,6 @@ class DataStore(RoomMemberStore, RoomStore, self._store_room_topic_txn(txn, event) elif event.type == RoomJoinRulesEvent.TYPE: self._store_join_rule(txn, event) - elif event.type == RoomPowerLevelsEvent.TYPE: - self._store_power_levels(txn, event) - elif event.type == RoomAddStateLevelEvent.TYPE: - self._store_add_state_level(txn, event) - elif event.type == RoomSendEventLevelEvent.TYPE: - self._store_send_event_level(txn, event) - elif event.type == RoomOpsPowerLevelsEvent.TYPE: - self._store_ops_level(txn, event) elif event.type == RoomRedactionEvent.TYPE: self._store_redaction(txn, event) diff --git a/synapse/storage/room.py b/synapse/storage/room.py index 7e48ce9cc..0c83c11ad 100644 --- a/synapse/storage/room.py +++ b/synapse/storage/room.py @@ -148,85 +148,6 @@ class RoomStore(SQLBaseStore): else: defer.returnValue(None) - def get_power_level(self, room_id, user_id): - return self.runInteraction( - "get_power_level", - self._get_power_level, - room_id, user_id, - ) - - def _get_power_level(self, txn, room_id, user_id): - sql = ( - "SELECT level FROM room_power_levels as r " - "INNER JOIN current_state_events as c " - "ON r.event_id = c.event_id " - "WHERE c.room_id = ? AND r.user_id = ? " - ) - - rows = txn.execute(sql, (room_id, user_id,)).fetchall() - - if len(rows) == 1: - return rows[0][0] - - sql = ( - "SELECT level FROM room_default_levels as r " - "INNER JOIN current_state_events as c " - "ON r.event_id = c.event_id " - "WHERE c.room_id = ? " - ) - - rows = txn.execute(sql, (room_id,)).fetchall() - - if len(rows) == 1: - return rows[0][0] - else: - return None - - def get_ops_levels(self, room_id): - return self.runInteraction( - "get_ops_levels", - self._get_ops_levels, - room_id, - ) - - def _get_ops_levels(self, txn, room_id): - sql = ( - "SELECT ban_level, kick_level, redact_level " - "FROM room_ops_levels as r " - "INNER JOIN current_state_events as c " - "ON r.event_id = c.event_id " - "WHERE c.room_id = ? " - ) - - rows = txn.execute(sql, (room_id,)).fetchall() - - if len(rows) == 1: - return OpsLevel(rows[0][0], rows[0][1], rows[0][2]) - else: - return OpsLevel(None, None) - - def get_add_state_level(self, room_id): - return self._get_level_from_table("room_add_state_levels", room_id) - - def get_send_event_level(self, room_id): - return self._get_level_from_table("room_send_event_levels", room_id) - - @defer.inlineCallbacks - def _get_level_from_table(self, table, room_id): - sql = ( - "SELECT level FROM %(table)s as r " - "INNER JOIN current_state_events as c " - "ON r.event_id = c.event_id " - "WHERE c.room_id = ? " - ) % {"table": table} - - rows = yield self._execute(None, sql, room_id) - - if len(rows) == 1: - defer.returnValue(rows[0][0]) - else: - defer.returnValue(None) - def _store_room_topic_txn(self, txn, event): self._simple_insert_txn( txn, @@ -260,84 +181,6 @@ class RoomStore(SQLBaseStore): }, ) - def _store_power_levels(self, txn, event): - for user_id, level in event.content.items(): - if user_id == "default": - self._simple_insert_txn( - txn, - "room_default_levels", - { - "event_id": event.event_id, - "room_id": event.room_id, - "level": level, - }, - ) - else: - self._simple_insert_txn( - txn, - "room_power_levels", - { - "event_id": event.event_id, - "room_id": event.room_id, - "user_id": user_id, - "level": level - }, - ) - - def _store_default_level(self, txn, event): - self._simple_insert_txn( - txn, - "room_default_levels", - { - "event_id": event.event_id, - "room_id": event.room_id, - "level": event.content["default_level"], - }, - ) - - def _store_add_state_level(self, txn, event): - self._simple_insert_txn( - txn, - "room_add_state_levels", - { - "event_id": event.event_id, - "room_id": event.room_id, - "level": event.content["level"], - }, - ) - - def _store_send_event_level(self, txn, event): - self._simple_insert_txn( - txn, - "room_send_event_levels", - { - "event_id": event.event_id, - "room_id": event.room_id, - "level": event.content["level"], - }, - ) - - def _store_ops_level(self, txn, event): - content = { - "event_id": event.event_id, - "room_id": event.room_id, - } - - if "kick_level" in event.content: - content["kick_level"] = event.content["kick_level"] - - if "ban_level" in event.content: - content["ban_level"] = event.content["ban_level"] - - if "redact_level" in event.content: - content["redact_level"] = event.content["redact_level"] - - self._simple_insert_txn( - txn, - "room_ops_levels", - content, - ) - class RoomsTable(Table): table_name = "rooms"