diff options
| -rw-r--r-- | synapse/api/errors.py | 74 | ||||
| -rw-r--r-- | synapse/handlers/device.py | 36 | ||||
| -rw-r--r-- | synapse/handlers/room_list.py | 66 | ||||
| -rw-r--r-- | synapse/http/matrixfederationclient.py | 15 | ||||
| -rw-r--r-- | synapse/notifier.py | 44 | ||||
| -rw-r--r-- | synapse/push/mailer.py | 2 | ||||
| -rw-r--r-- | synapse/replication/slave/storage/events.py | 4 | ||||
| -rw-r--r-- | synapse/rest/client/v2_alpha/devices.py | 47 | ||||
| -rw-r--r-- | synapse/rest/media/v1/download_resource.py | 12 | ||||
| -rw-r--r-- | synapse/rest/media/v1/media_repository.py | 44 | ||||
| -rw-r--r-- | synapse/storage/_base.py | 41 | ||||
| -rw-r--r-- | synapse/storage/devices.py | 17 | ||||
| -rw-r--r-- | synapse/storage/events.py | 49 | ||||
| -rw-r--r-- | synapse/storage/state.py | 14 | ||||
| -rw-r--r-- | synapse/storage/stream.py | 3 |
15 files changed, 395 insertions, 73 deletions
diff --git a/synapse/api/errors.py b/synapse/api/errors.py index 921c457738..6fbd5d6876 100644 --- a/synapse/api/errors.py +++ b/synapse/api/errors.py @@ -15,6 +15,7 @@ """Contains exceptions and error codes.""" +import json import logging logger = logging.getLogger(__name__) @@ -50,27 +51,35 @@ class Codes(object): class CodeMessageException(RuntimeError): - """An exception with integer code and message string attributes.""" + """An exception with integer code and message string attributes. + Attributes: + code (int): HTTP error code + msg (str): string describing the error + """ def __init__(self, code, msg): super(CodeMessageException, self).__init__("%d: %s" % (code, msg)) self.code = code self.msg = msg - self.response_code_message = None def error_dict(self): return cs_error(self.msg) class SynapseError(CodeMessageException): - """A base error which can be caught for all synapse events.""" + """A base exception type for matrix errors which have an errcode and error + message (as well as an HTTP status code). + + Attributes: + errcode (str): Matrix error code e.g 'M_FORBIDDEN' + """ def __init__(self, code, msg, errcode=Codes.UNKNOWN): """Constructs a synapse error. Args: code (int): The integer error code (an HTTP response code) msg (str): The human-readable error message. - err (str): The error code e.g 'M_FORBIDDEN' + errcode (str): The matrix error code e.g 'M_FORBIDDEN' """ super(SynapseError, self).__init__(code, msg) self.errcode = errcode @@ -81,6 +90,39 @@ class SynapseError(CodeMessageException): self.errcode, ) + @classmethod + def from_http_response_exception(cls, err): + """Make a SynapseError based on an HTTPResponseException + + This is useful when a proxied request has failed, and we need to + decide how to map the failure onto a matrix error to send back to the + client. + + An attempt is made to parse the body of the http response as a matrix + error. If that succeeds, the errcode and error message from the body + are used as the errcode and error message in the new synapse error. + + Otherwise, the errcode is set to M_UNKNOWN, and the error message is + set to the reason code from the HTTP response. + + Args: + err (HttpResponseException): + + Returns: + SynapseError: + """ + # try to parse the body as json, to get better errcode/msg, but + # default to M_UNKNOWN with the HTTP status as the error text + try: + j = json.loads(err.response) + except ValueError: + j = {} + errcode = j.get('errcode', Codes.UNKNOWN) + errmsg = j.get('error', err.msg) + + res = SynapseError(err.code, errmsg, errcode) + return res + class RegistrationError(SynapseError): """An error raised when a registration event fails.""" @@ -106,13 +148,11 @@ class UnrecognizedRequestError(SynapseError): class NotFoundError(SynapseError): """An error indicating we can't find the thing you asked for""" - def __init__(self, *args, **kwargs): - if "errcode" not in kwargs: - kwargs["errcode"] = Codes.NOT_FOUND + def __init__(self, msg="Not found", errcode=Codes.NOT_FOUND): super(NotFoundError, self).__init__( 404, - "Not found", - **kwargs + msg, + errcode=errcode ) @@ -173,7 +213,6 @@ class LimitExceededError(SynapseError): errcode=Codes.LIMIT_EXCEEDED): super(LimitExceededError, self).__init__(code, msg, errcode) self.retry_after_ms = retry_after_ms - self.response_code_message = "Too Many Requests" def error_dict(self): return cs_error( @@ -243,6 +282,19 @@ class FederationError(RuntimeError): class HttpResponseException(CodeMessageException): + """ + Represents an HTTP-level failure of an outbound request + + Attributes: + response (str): body of response + """ def __init__(self, code, msg, response): - self.response = response + """ + + Args: + code (int): HTTP status code + msg (str): reason phrase from HTTP response status line + response (str): body of response + """ super(HttpResponseException, self).__init__(code, msg) + self.response = response diff --git a/synapse/handlers/device.py b/synapse/handlers/device.py index e859b3165f..1b007d4945 100644 --- a/synapse/handlers/device.py +++ b/synapse/handlers/device.py @@ -170,6 +170,40 @@ class DeviceHandler(BaseHandler): yield self.notify_device_update(user_id, [device_id]) @defer.inlineCallbacks + def delete_devices(self, user_id, device_ids): + """ Delete several devices + + Args: + user_id (str): + device_ids (str): The list of device IDs to delete + + Returns: + defer.Deferred: + """ + + try: + yield self.store.delete_devices(user_id, device_ids) + except errors.StoreError, e: + if e.code == 404: + # no match + pass + else: + raise + + # Delete access tokens and e2e keys for each device. Not optimised as it is not + # considered as part of a critical path. + for device_id in device_ids: + yield self.store.user_delete_access_tokens( + user_id, device_id=device_id, + delete_refresh_tokens=True, + ) + yield self.store.delete_e2e_keys_by_device( + user_id=user_id, device_id=device_id + ) + + yield self.notify_device_update(user_id, device_ids) + + @defer.inlineCallbacks def update_device(self, user_id, device_id, content): """ Update the given device @@ -262,7 +296,7 @@ class DeviceHandler(BaseHandler): # ordering: treat it the same as a new room event_ids = [] - current_state_ids = yield self.state.get_current_state_ids(room_id) + current_state_ids = yield self.store.get_current_state_ids(room_id) # special-case for an empty prev state: include all members # in the changed list diff --git a/synapse/handlers/room_list.py b/synapse/handlers/room_list.py index 19eebbd43f..516cd9a6ac 100644 --- a/synapse/handlers/room_list.py +++ b/synapse/handlers/room_list.py @@ -21,6 +21,7 @@ from synapse.api.constants import ( EventTypes, JoinRules, ) from synapse.util.async import concurrently_execute +from synapse.util.caches.descriptors import cachedInlineCallbacks from synapse.util.caches.response_cache import ResponseCache from synapse.types import ThirdPartyInstanceID @@ -62,6 +63,10 @@ class RoomListHandler(BaseHandler): appservice and network id to use an appservice specific one. Setting to None returns all public rooms across all lists. """ + logger.info( + "Getting public room list: limit=%r, since=%r, search=%r, network=%r", + limit, since_token, bool(search_filter), network_tuple, + ) if search_filter: # We explicitly don't bother caching searches or requests for # appservice specific lists. @@ -91,7 +96,6 @@ class RoomListHandler(BaseHandler): rooms_to_order_value = {} rooms_to_num_joined = {} - rooms_to_latest_event_ids = {} newly_visible = [] newly_unpublished = [] @@ -116,19 +120,26 @@ class RoomListHandler(BaseHandler): @defer.inlineCallbacks def get_order_for_room(room_id): - latest_event_ids = rooms_to_latest_event_ids.get(room_id, None) - if not latest_event_ids: + # Most of the rooms won't have changed between the since token and + # now (especially if the since token is "now"). So, we can ask what + # the current users are in a room (that will hit a cache) and then + # check if the room has changed since the since token. (We have to + # do it in that order to avoid races). + # If things have changed then fall back to getting the current state + # at the since token. + joined_users = yield self.store.get_users_in_room(room_id) + if self.store.has_room_changed_since(room_id, stream_token): latest_event_ids = yield self.store.get_forward_extremeties_for_room( room_id, stream_token ) - rooms_to_latest_event_ids[room_id] = latest_event_ids - if not latest_event_ids: - return + if not latest_event_ids: + return + + joined_users = yield self.state_handler.get_current_user_in_room( + room_id, latest_event_ids, + ) - joined_users = yield self.state_handler.get_current_user_in_room( - room_id, latest_event_ids, - ) num_joined_users = len(joined_users) rooms_to_num_joined[room_id] = num_joined_users @@ -165,19 +176,19 @@ class RoomListHandler(BaseHandler): rooms_to_scan = rooms_to_scan[:since_token.current_limit] rooms_to_scan.reverse() - # Actually generate the entries. _generate_room_entry will append to + # Actually generate the entries. _append_room_entry_to_chunk will append to # chunk but will stop if len(chunk) > limit chunk = [] if limit and not search_filter: step = limit + 1 for i in xrange(0, len(rooms_to_scan), step): # We iterate here because the vast majority of cases we'll stop - # at first iteration, but occaisonally _generate_room_entry + # at first iteration, but occaisonally _append_room_entry_to_chunk # won't append to the chunk and so we need to loop again. # We don't want to scan over the entire range either as that # would potentially waste a lot of work. yield concurrently_execute( - lambda r: self._generate_room_entry( + lambda r: self._append_room_entry_to_chunk( r, rooms_to_num_joined[r], chunk, limit, search_filter ), @@ -187,7 +198,7 @@ class RoomListHandler(BaseHandler): break else: yield concurrently_execute( - lambda r: self._generate_room_entry( + lambda r: self._append_room_entry_to_chunk( r, rooms_to_num_joined[r], chunk, limit, search_filter ), @@ -256,21 +267,35 @@ class RoomListHandler(BaseHandler): defer.returnValue(results) @defer.inlineCallbacks - def _generate_room_entry(self, room_id, num_joined_users, chunk, limit, - search_filter): + def _append_room_entry_to_chunk(self, room_id, num_joined_users, chunk, limit, + search_filter): + """Generate the entry for a room in the public room list and append it + to the `chunk` if it matches the search filter + """ if limit and len(chunk) > limit + 1: # We've already got enough, so lets just drop it. return + result = yield self._generate_room_entry(room_id, num_joined_users) + + if result and _matches_room_entry(result, search_filter): + chunk.append(result) + + @cachedInlineCallbacks(num_args=1, cache_context=True) + def _generate_room_entry(self, room_id, num_joined_users, cache_context): + """Returns the entry for a room + """ result = { "room_id": room_id, "num_joined_members": num_joined_users, } - current_state_ids = yield self.state_handler.get_current_state_ids(room_id) + current_state_ids = yield self.store.get_current_state_ids( + room_id, on_invalidate=cache_context.invalidate, + ) event_map = yield self.store.get_events([ - event_id for key, event_id in current_state_ids.items() + event_id for key, event_id in current_state_ids.iteritems() if key[0] in ( EventTypes.JoinRules, EventTypes.Name, @@ -294,7 +319,9 @@ class RoomListHandler(BaseHandler): if join_rule and join_rule != JoinRules.PUBLIC: defer.returnValue(None) - aliases = yield self.store.get_aliases_for_room(room_id) + aliases = yield self.store.get_aliases_for_room( + room_id, on_invalidate=cache_context.invalidate + ) if aliases: result["aliases"] = aliases @@ -334,8 +361,7 @@ class RoomListHandler(BaseHandler): if avatar_url: result["avatar_url"] = avatar_url - if _matches_room_entry(result, search_filter): - chunk.append(result) + defer.returnValue(result) @defer.inlineCallbacks def get_remote_public_room_list(self, server_name, limit=None, since_token=None, diff --git a/synapse/http/matrixfederationclient.py b/synapse/http/matrixfederationclient.py index 78b92cef36..82586e3dea 100644 --- a/synapse/http/matrixfederationclient.py +++ b/synapse/http/matrixfederationclient.py @@ -108,6 +108,12 @@ class MatrixFederationHttpClient(object): query_bytes=b"", retry_on_dns_fail=True, timeout=None, long_retries=False): """ Creates and sends a request to the given url + + Returns: + Deferred: resolves with the http response object on success. + + Fails with ``HTTPRequestException``: if we get an HTTP response + code >= 300. """ headers_dict[b"User-Agent"] = [self.version_string] headers_dict[b"Host"] = [destination] @@ -408,8 +414,11 @@ class MatrixFederationHttpClient(object): output_stream (file): File to write the response body to. args (dict): Optional dictionary used to create the query string. Returns: - A (int,dict) tuple of the file length and a dict of the response - headers. + Deferred: resolves with an (int,dict) tuple of the file length and + a dict of the response headers. + + Fails with ``HTTPRequestException`` if we get an HTTP response code + >= 300 """ encoded_args = {} @@ -419,7 +428,7 @@ class MatrixFederationHttpClient(object): encoded_args[k] = [v.encode("UTF-8") for v in vs] query_bytes = urllib.urlencode(encoded_args, True) - logger.debug("Query bytes: %s Retry DNS: %s", args, retry_on_dns_fail) + logger.debug("Query bytes: %s Retry DNS: %s", query_bytes, retry_on_dns_fail) def body_callback(method, url_bytes, headers_dict): self.sign_request(destination, method, url_bytes, headers_dict) diff --git a/synapse/notifier.py b/synapse/notifier.py index 8051a7a842..6abb33bb3f 100644 --- a/synapse/notifier.py +++ b/synapse/notifier.py @@ -73,6 +73,13 @@ class _NotifierUserStream(object): self.user_id = user_id self.rooms = set(rooms) self.current_token = current_token + + # The last token for which we should wake up any streams that have a + # token that comes before it. This gets updated everytime we get poked. + # We start it at the current token since if we get any streams + # that have a token from before we have no idea whether they should be + # woken up or not, so lets just wake them up. + self.last_notified_token = current_token self.last_notified_ms = time_now_ms with PreserveLoggingContext(): @@ -89,6 +96,7 @@ class _NotifierUserStream(object): self.current_token = self.current_token.copy_and_advance( stream_key, stream_id ) + self.last_notified_token = self.current_token self.last_notified_ms = time_now_ms noify_deferred = self.notify_deferred @@ -113,8 +121,14 @@ class _NotifierUserStream(object): def new_listener(self, token): """Returns a deferred that is resolved when there is a new token greater than the given token. + + Args: + token: The token from which we are streaming from, i.e. we shouldn't + notify for things that happened before this. """ - if self.current_token.is_after(token): + # Immediately wake up stream if something has already since happened + # since their last token. + if self.last_notified_token.is_after(token): return _NotificationListener(defer.succeed(self.current_token)) else: return _NotificationListener(self.notify_deferred.observe()) @@ -294,40 +308,44 @@ class Notifier(object): self._register_with_keys(user_stream) result = None + prev_token = from_token if timeout: end_time = self.clock.time_msec() + timeout - prev_token = from_token while not result: try: - current_token = user_stream.current_token - - result = yield callback(prev_token, current_token) - if result: - break - now = self.clock.time_msec() if end_time <= now: break # Now we wait for the _NotifierUserStream to be told there # is a new token. - # We need to supply the token we supplied to callback so - # that we don't miss any current_token updates. - prev_token = current_token listener = user_stream.new_listener(prev_token) with PreserveLoggingContext(): yield self.clock.time_bound_deferred( listener.deferred, time_out=(end_time - now) / 1000. ) + + current_token = user_stream.current_token + + result = yield callback(prev_token, current_token) + if result: + break + + # Update the prev_token to the current_token since nothing + # has happened between the old prev_token and the current_token + prev_token = current_token except DeferredTimedOutError: break except defer.CancelledError: break - else: + + if result is None: + # This happened if there was no timeout or if the timeout had + # already expired. current_token = user_stream.current_token - result = yield callback(from_token, current_token) + result = yield callback(prev_token, current_token) defer.returnValue(result) diff --git a/synapse/push/mailer.py b/synapse/push/mailer.py index 62d794f22b..3a50c72e0b 100644 --- a/synapse/push/mailer.py +++ b/synapse/push/mailer.py @@ -139,7 +139,7 @@ class Mailer(object): @defer.inlineCallbacks def _fetch_room_state(room_id): - room_state = yield self.state_handler.get_current_state_ids(room_id) + room_state = yield self.store.get_current_state_ids(room_id) state_by_room[room_id] = room_state # Run at most 3 of these at once: sync does 10 at a time but email diff --git a/synapse/replication/slave/storage/events.py b/synapse/replication/slave/storage/events.py index 622b2d8540..518c9ea2e9 100644 --- a/synapse/replication/slave/storage/events.py +++ b/synapse/replication/slave/storage/events.py @@ -109,6 +109,10 @@ class SlavedEventStore(BaseSlavedStore): get_recent_event_ids_for_room = ( StreamStore.__dict__["get_recent_event_ids_for_room"] ) + get_current_state_ids = ( + StateStore.__dict__["get_current_state_ids"] + ) + has_room_changed_since = DataStore.has_room_changed_since.__func__ get_unread_push_actions_for_user_in_range_for_http = ( DataStore.get_unread_push_actions_for_user_in_range_for_http.__func__ diff --git a/synapse/rest/client/v2_alpha/devices.py b/synapse/rest/client/v2_alpha/devices.py index a1feaf3d54..b57ba95d24 100644 --- a/synapse/rest/client/v2_alpha/devices.py +++ b/synapse/rest/client/v2_alpha/devices.py @@ -46,6 +46,52 @@ class DevicesRestServlet(servlet.RestServlet): defer.returnValue((200, {"devices": devices})) +class DeleteDevicesRestServlet(servlet.RestServlet): + """ + API for bulk deletion of devices. Accepts a JSON object with a devices + key which lists the device_ids to delete. Requires user interactive auth. + """ + PATTERNS = client_v2_patterns("/delete_devices", releases=[], v2_alpha=False) + + def __init__(self, hs): + super(DeleteDevicesRestServlet, self).__init__() + self.hs = hs + self.auth = hs.get_auth() + self.device_handler = hs.get_device_handler() + self.auth_handler = hs.get_auth_handler() + + @defer.inlineCallbacks + def on_POST(self, request): + try: + body = servlet.parse_json_object_from_request(request) + except errors.SynapseError as e: + if e.errcode == errors.Codes.NOT_JSON: + # deal with older clients which didn't pass a J*DELETESON dict + # the same as those that pass an empty dict + body = {} + else: + raise e + + if 'devices' not in body: + raise errors.SynapseError( + 400, "No devices supplied", errcode=errors.Codes.MISSING_PARAM + ) + + authed, result, params, _ = yield self.auth_handler.check_auth([ + [constants.LoginType.PASSWORD], + ], body, self.hs.get_ip_from_request(request)) + + if not authed: + defer.returnValue((401, result)) + + requester = yield self.auth.get_user_by_req(request) + yield self.device_handler.delete_devices( + requester.user.to_string(), + body['devices'], + ) + defer.returnValue((200, {})) + + class DeviceRestServlet(servlet.RestServlet): PATTERNS = client_v2_patterns("/devices/(?P<device_id>[^/]*)$", releases=[], v2_alpha=False) @@ -111,5 +157,6 @@ class DeviceRestServlet(servlet.RestServlet): def register_servlets(hs, http_server): + DeleteDevicesRestServlet(hs).register(http_server) DevicesRestServlet(hs).register(http_server) DeviceRestServlet(hs).register(http_server) diff --git a/synapse/rest/media/v1/download_resource.py b/synapse/rest/media/v1/download_resource.py index dfb87ffd15..6788375e85 100644 --- a/synapse/rest/media/v1/download_resource.py +++ b/synapse/rest/media/v1/download_resource.py @@ -12,6 +12,7 @@ # 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. +import synapse.http.servlet from ._base import parse_media_id, respond_with_file, respond_404 from twisted.web.resource import Resource @@ -81,6 +82,17 @@ class DownloadResource(Resource): @defer.inlineCallbacks def _respond_remote_file(self, request, server_name, media_id, name): + # don't forward requests for remote media if allow_remote is false + allow_remote = synapse.http.servlet.parse_boolean( + request, "allow_remote", default=True) + if not allow_remote: + logger.info( + "Rejecting request for remote media %s/%s due to allow_remote", + server_name, media_id, + ) + respond_404(request) + return + media_info = yield self.media_repo.get_remote_media(server_name, media_id) media_type = media_info["media_type"] diff --git a/synapse/rest/media/v1/media_repository.py b/synapse/rest/media/v1/media_repository.py index 481ffee200..c43b185e08 100644 --- a/synapse/rest/media/v1/media_repository.py +++ b/synapse/rest/media/v1/media_repository.py @@ -13,22 +13,23 @@ # See the License for the specific language governing permissions and # limitations under the License. +from twisted.internet import defer, threads +import twisted.internet.error +import twisted.web.http +from twisted.web.resource import Resource + from .upload_resource import UploadResource from .download_resource import DownloadResource from .thumbnail_resource import ThumbnailResource from .identicon_resource import IdenticonResource from .preview_url_resource import PreviewUrlResource from .filepath import MediaFilePaths - -from twisted.web.resource import Resource - from .thumbnailer import Thumbnailer from synapse.http.matrixfederationclient import MatrixFederationHttpClient from synapse.util.stringutils import random_string -from synapse.api.errors import SynapseError - -from twisted.internet import defer, threads +from synapse.api.errors import SynapseError, HttpResponseException, \ + NotFoundError from synapse.util.async import Linearizer from synapse.util.stringutils import is_ascii @@ -157,11 +158,34 @@ class MediaRepository(object): try: length, headers = yield self.client.get_file( server_name, request_path, output_stream=f, - max_size=self.max_upload_size, + max_size=self.max_upload_size, args={ + # tell the remote server to 404 if it doesn't + # recognise the server_name, to make sure we don't + # end up with a routing loop. + "allow_remote": "false", + } ) - except Exception as e: - logger.warn("Failed to fetch remoted media %r", e) - raise SynapseError(502, "Failed to fetch remoted media") + except twisted.internet.error.DNSLookupError as e: + logger.warn("HTTP error fetching remote media %s/%s: %r", + server_name, media_id, e) + raise NotFoundError() + + except HttpResponseException as e: + logger.warn("HTTP error fetching remote media %s/%s: %s", + server_name, media_id, e.response) + if e.code == twisted.web.http.NOT_FOUND: + raise SynapseError.from_http_response_exception(e) + raise SynapseError(502, "Failed to fetch remote media") + + except SynapseError: + logger.exception("Failed to fetch remote media %s/%s", + server_name, media_id) + raise + + except Exception: + logger.exception("Failed to fetch remote media %s/%s", + server_name, media_id) + raise SynapseError(502, "Failed to fetch remote media") media_type = headers["Content-Type"][0] time_now_ms = self.clock.time_msec() diff --git a/synapse/storage/_base.py b/synapse/storage/_base.py index a7a8ec9b7b..13b106bba1 100644 --- a/synapse/storage/_base.py +++ b/synapse/storage/_base.py @@ -840,6 +840,47 @@ class SQLBaseStore(object): return txn.execute(sql, keyvalues.values()) + def _simple_delete_many(self, table, column, iterable, keyvalues, desc): + return self.runInteraction( + desc, self._simple_delete_many_txn, table, column, iterable, keyvalues + ) + + @staticmethod + def _simple_delete_many_txn(txn, table, column, iterable, keyvalues): + """Executes a DELETE query on the named table. + + Filters rows by if value of `column` is in `iterable`. + + Args: + txn : Transaction object + table : string giving the table name + column : column name to test for inclusion against `iterable` + iterable : list + keyvalues : dict of column names and values to select the rows with + """ + if not iterable: + return + + sql = "DELETE FROM %s" % table + + clauses = [] + values = [] + clauses.append( + "%s IN (%s)" % (column, ",".join("?" for _ in iterable)) + ) + values.extend(iterable) + + for key, value in keyvalues.items(): + clauses.append("%s = ?" % (key,)) + values.append(value) + + if clauses: + sql = "%s WHERE %s" % ( + sql, + " AND ".join(clauses), + ) + return txn.execute(sql, values) + def _get_cache_dict(self, db_conn, table, entity_column, stream_column, max_value, limit=100000): # Fetch a mapping of room_id -> max stream position for "recent" rooms. diff --git a/synapse/storage/devices.py b/synapse/storage/devices.py index bd56ba2515..563071b7a9 100644 --- a/synapse/storage/devices.py +++ b/synapse/storage/devices.py @@ -108,6 +108,23 @@ class DeviceStore(SQLBaseStore): desc="delete_device", ) + def delete_devices(self, user_id, device_ids): + """Deletes several devices. + + Args: + user_id (str): The ID of the user which owns the devices + device_ids (list): The IDs of the devices to delete + Returns: + defer.Deferred + """ + return self._simple_delete_many( + table="devices", + column="device_id", + iterable=device_ids, + keyvalues={"user_id": user_id}, + desc="delete_devices", + ) + def update_device(self, user_id, device_id, new_display_name=None): """Update a device. diff --git a/synapse/storage/events.py b/synapse/storage/events.py index db01eb6d14..72319c35ae 100644 --- a/synapse/storage/events.py +++ b/synapse/storage/events.py @@ -433,23 +433,43 @@ class EventsStore(SQLBaseStore): if not new_latest_event_ids: current_state = {} elif was_updated: + # We work out the current state by passing the state sets to the + # state resolution algorithm. It may ask for some events, including + # the events we have yet to persist, so we need a slightly more + # complicated event lookup function than simply looking the events + # up in the db. + events_map = {ev.event_id: ev for ev, _ in events_context} + + @defer.inlineCallbacks + def get_events(ev_ids): + # We get the events by first looking at the list of events we + # are trying to persist, and then fetching the rest from the DB. + db = [] + to_return = {} + for ev_id in ev_ids: + ev = events_map.get(ev_id, None) + if ev: + to_return[ev_id] = ev + else: + db.append(ev_id) + + if db: + evs = yield self.get_events( + ev_ids, get_prev_content=False, check_redacted=False, + ) + to_return.update(evs) + defer.returnValue(to_return) + current_state = yield resolve_events( state_sets, - state_map_factory=lambda ev_ids: self.get_events( - ev_ids, get_prev_content=False, check_redacted=False, - ), + state_map_factory=get_events, ) else: return - existing_state_rows = yield self._simple_select_list( - table="current_state_events", - keyvalues={"room_id": room_id}, - retcols=["event_id", "type", "state_key"], - desc="_calculate_state_delta", - ) + existing_state = yield self.get_current_state_ids(room_id) - existing_events = set(row["event_id"] for row in existing_state_rows) + existing_events = set(existing_state.itervalues()) new_events = set(ev_id for ev_id in current_state.itervalues()) changed_events = existing_events ^ new_events @@ -457,9 +477,8 @@ class EventsStore(SQLBaseStore): return to_delete = { - (row["type"], row["state_key"]): row["event_id"] - for row in existing_state_rows - if row["event_id"] in changed_events + key: ev_id for key, ev_id in existing_state.iteritems() + if ev_id in changed_events } events_to_insert = (new_events - existing_events) to_insert = { @@ -585,6 +604,10 @@ class EventsStore(SQLBaseStore): txn, self.get_users_in_room, (room_id,) ) + self._invalidate_cache_and_stream( + txn, self.get_current_state_ids, (room_id,) + ) + for room_id, new_extrem in new_forward_extremeties.items(): self._simple_delete_txn( txn, diff --git a/synapse/storage/state.py b/synapse/storage/state.py index 84482d8285..27f1ec89ec 100644 --- a/synapse/storage/state.py +++ b/synapse/storage/state.py @@ -14,7 +14,7 @@ # limitations under the License. from ._base import SQLBaseStore -from synapse.util.caches.descriptors import cached, cachedList +from synapse.util.caches.descriptors import cached, cachedList, cachedInlineCallbacks from synapse.util.caches import intern_string from synapse.storage.engines import PostgresEngine @@ -69,6 +69,18 @@ class StateStore(SQLBaseStore): where_clause="type='m.room.member'", ) + @cachedInlineCallbacks(max_entries=100000, iterable=True) + def get_current_state_ids(self, room_id): + rows = yield self._simple_select_list( + table="current_state_events", + keyvalues={"room_id": room_id}, + retcols=["event_id", "type", "state_key"], + desc="_calculate_state_delta", + ) + defer.returnValue({ + (r["type"], r["state_key"]): r["event_id"] for r in rows + }) + @defer.inlineCallbacks def get_state_groups_ids(self, room_id, event_ids): if not event_ids: diff --git a/synapse/storage/stream.py b/synapse/storage/stream.py index 200d124632..dddd5fc0e7 100644 --- a/synapse/storage/stream.py +++ b/synapse/storage/stream.py @@ -829,3 +829,6 @@ class StreamStore(SQLBaseStore): updatevalues={"stream_id": stream_id}, desc="update_federation_out_pos", ) + + def has_room_changed_since(self, room_id, stream_id): + return self._events_stream_cache.has_entity_changed(room_id, stream_id) |