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-rw-r--r--synapse/__init__.py2
-rw-r--r--synapse/app/appservice.py4
-rw-r--r--synapse/app/client_reader.py4
-rw-r--r--synapse/app/federation_reader.py4
-rw-r--r--synapse/app/media_repository.py4
-rw-r--r--synapse/app/pusher.py4
-rw-r--r--synapse/app/synchrotron.py2
-rw-r--r--synapse/config/_base.py5
-rw-r--r--synapse/config/password_auth_providers.py9
-rw-r--r--synapse/handlers/message.py15
-rw-r--r--synapse/python_dependencies.py2
-rw-r--r--synapse/rest/client/transactions.py98
-rw-r--r--synapse/rest/client/v1/base.py5
-rw-r--r--synapse/rest/client/v1/room.py90
-rw-r--r--synapse/rest/client/v1/transactions.py97
-rw-r--r--synapse/rest/client/v2_alpha/sendtodevice.py17
-rw-r--r--synapse/storage/events.py1
-rw-r--r--synapse/util/__init__.py10
-rw-r--r--synapse/util/ldap_auth_provider.py3
19 files changed, 186 insertions, 190 deletions
diff --git a/synapse/__init__.py b/synapse/__init__.py
index 4e2a592d3d..d366b69dab 100644
--- a/synapse/__init__.py
+++ b/synapse/__init__.py
@@ -16,4 +16,4 @@
 """ This is a reference implementation of a Matrix home server.
 """
 
-__version__ = "0.18.2"
+__version__ = "0.18.3"
diff --git a/synapse/app/appservice.py b/synapse/app/appservice.py
index 4e62a84b28..dd9ee406a1 100644
--- a/synapse/app/appservice.py
+++ b/synapse/app/appservice.py
@@ -34,6 +34,8 @@ from synapse.util.manhole import manhole
 from synapse.util.rlimit import change_resource_limit
 from synapse.util.versionstring import get_version_string
 
+from synapse import events
+
 from twisted.internet import reactor, defer
 from twisted.web.resource import Resource
 
@@ -151,6 +153,8 @@ def start(config_options):
 
     setup_logging(config.worker_log_config, config.worker_log_file)
 
+    events.USE_FROZEN_DICTS = config.use_frozen_dicts
+
     database_engine = create_engine(config.database_config)
 
     if config.notify_appservices:
diff --git a/synapse/app/client_reader.py b/synapse/app/client_reader.py
index 9fccc73db3..0086a2977e 100644
--- a/synapse/app/client_reader.py
+++ b/synapse/app/client_reader.py
@@ -41,6 +41,8 @@ from synapse.util.rlimit import change_resource_limit
 from synapse.util.versionstring import get_version_string
 from synapse.crypto import context_factory
 
+from synapse import events
+
 
 from twisted.internet import reactor, defer
 from twisted.web.resource import Resource
@@ -165,6 +167,8 @@ def start(config_options):
 
     setup_logging(config.worker_log_config, config.worker_log_file)
 
+    events.USE_FROZEN_DICTS = config.use_frozen_dicts
+
     database_engine = create_engine(config.database_config)
 
     tls_server_context_factory = context_factory.ServerContextFactory(config)
diff --git a/synapse/app/federation_reader.py b/synapse/app/federation_reader.py
index 1f5ae1937e..b5f59a9931 100644
--- a/synapse/app/federation_reader.py
+++ b/synapse/app/federation_reader.py
@@ -39,6 +39,8 @@ from synapse.api.urls import FEDERATION_PREFIX
 from synapse.federation.transport.server import TransportLayerServer
 from synapse.crypto import context_factory
 
+from synapse import events
+
 
 from twisted.internet import reactor, defer
 from twisted.web.resource import Resource
@@ -156,6 +158,8 @@ def start(config_options):
 
     setup_logging(config.worker_log_config, config.worker_log_file)
 
+    events.USE_FROZEN_DICTS = config.use_frozen_dicts
+
     database_engine = create_engine(config.database_config)
 
     tls_server_context_factory = context_factory.ServerContextFactory(config)
diff --git a/synapse/app/media_repository.py b/synapse/app/media_repository.py
index 6e5ec01c6c..44c19a1bef 100644
--- a/synapse/app/media_repository.py
+++ b/synapse/app/media_repository.py
@@ -41,6 +41,8 @@ from synapse.api.urls import (
 )
 from synapse.crypto import context_factory
 
+from synapse import events
+
 
 from twisted.internet import reactor, defer
 from twisted.web.resource import Resource
@@ -162,6 +164,8 @@ def start(config_options):
 
     setup_logging(config.worker_log_config, config.worker_log_file)
 
+    events.USE_FROZEN_DICTS = config.use_frozen_dicts
+
     database_engine = create_engine(config.database_config)
 
     tls_server_context_factory = context_factory.ServerContextFactory(config)
diff --git a/synapse/app/pusher.py b/synapse/app/pusher.py
index 1a6f5507a9..a0e765c54f 100644
--- a/synapse/app/pusher.py
+++ b/synapse/app/pusher.py
@@ -36,6 +36,8 @@ from synapse.util.manhole import manhole
 from synapse.util.rlimit import change_resource_limit
 from synapse.util.versionstring import get_version_string
 
+from synapse import events
+
 from twisted.internet import reactor, defer
 from twisted.web.resource import Resource
 
@@ -239,6 +241,8 @@ def start(config_options):
 
     setup_logging(config.worker_log_config, config.worker_log_file)
 
+    events.USE_FROZEN_DICTS = config.use_frozen_dicts
+
     if config.start_pushers:
         sys.stderr.write(
             "\nThe pushers must be disabled in the main synapse process"
diff --git a/synapse/app/synchrotron.py b/synapse/app/synchrotron.py
index 64b209ffe6..bf1b995dc2 100644
--- a/synapse/app/synchrotron.py
+++ b/synapse/app/synchrotron.py
@@ -446,6 +446,8 @@ def start(config_options):
 
     setup_logging(config.worker_log_config, config.worker_log_file)
 
+    synapse.events.USE_FROZEN_DICTS = config.use_frozen_dicts
+
     database_engine = create_engine(config.database_config)
 
     ss = SynchrotronServer(
diff --git a/synapse/config/_base.py b/synapse/config/_base.py
index af9f17bf7b..1ab5593c6e 100644
--- a/synapse/config/_base.py
+++ b/synapse/config/_base.py
@@ -64,11 +64,12 @@ class Config(object):
         if isinstance(value, int) or isinstance(value, long):
             return value
         second = 1000
-        hour = 60 * 60 * second
+        minute = 60 * second
+        hour = 60 * minute
         day = 24 * hour
         week = 7 * day
         year = 365 * day
-        sizes = {"s": second, "h": hour, "d": day, "w": week, "y": year}
+        sizes = {"s": second, "m": minute, "h": hour, "d": day, "w": week, "y": year}
         size = 1
         suffix = value[-1]
         if suffix in sizes:
diff --git a/synapse/config/password_auth_providers.py b/synapse/config/password_auth_providers.py
index f6d9bb1c62..1f438d2bb3 100644
--- a/synapse/config/password_auth_providers.py
+++ b/synapse/config/password_auth_providers.py
@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from ._base import Config
+from ._base import Config, ConfigError
 
 import importlib
 
@@ -39,7 +39,12 @@ class PasswordAuthProviderConfig(Config):
             module = importlib.import_module(module)
             provider_class = getattr(module, clz)
 
-            provider_config = provider_class.parse_config(provider["config"])
+            try:
+                provider_config = provider_class.parse_config(provider["config"])
+            except Exception as e:
+                raise ConfigError(
+                    "Failed to parse config for %r: %r" % (provider['module'], e)
+                )
             self.password_providers.append((provider_class, provider_config))
 
     def default_config(self, **kwargs):
diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py
index abfa8c65a4..81df45177a 100644
--- a/synapse/handlers/message.py
+++ b/synapse/handlers/message.py
@@ -34,6 +34,7 @@ from ._base import BaseHandler
 from canonicaljson import encode_canonical_json
 
 import logging
+import random
 
 logger = logging.getLogger(__name__)
 
@@ -415,6 +416,20 @@ class MessageHandler(BaseHandler):
                 builder.room_id,
             )
 
+            # We want to limit the max number of prev events we point to in our
+            # new event
+            if len(latest_ret) > 10:
+                # Sort by reverse depth, so we point to the most recent.
+                latest_ret.sort(key=lambda a: -a[2])
+                new_latest_ret = latest_ret[:5]
+
+                # We also randomly point to some of the older events, to make
+                # sure that we don't completely ignore the older events.
+                if latest_ret[5:]:
+                    sample_size = min(5, len(latest_ret[5:]))
+                    new_latest_ret.extend(random.sample(latest_ret[5:], sample_size))
+                latest_ret = new_latest_ret
+
             if latest_ret:
                 depth = max([d for _, _, d in latest_ret]) + 1
             else:
diff --git a/synapse/python_dependencies.py b/synapse/python_dependencies.py
index b9e41770ee..59bc084b11 100644
--- a/synapse/python_dependencies.py
+++ b/synapse/python_dependencies.py
@@ -69,6 +69,7 @@ def requirements(config=None, include_conditional=False):
 def github_link(project, version, egg):
     return "https://github.com/%s/tarball/%s/#egg=%s" % (project, version, egg)
 
+
 DEPENDENCY_LINKS = {
 }
 
@@ -156,6 +157,7 @@ def list_requirements():
             result.append(requirement)
     return result
 
+
 if __name__ == "__main__":
     import sys
     sys.stdout.writelines(req + "\n" for req in list_requirements())
diff --git a/synapse/rest/client/transactions.py b/synapse/rest/client/transactions.py
new file mode 100644
index 0000000000..351170edbc
--- /dev/null
+++ b/synapse/rest/client/transactions.py
@@ -0,0 +1,98 @@
+# -*- coding: utf-8 -*-
+# Copyright 2014-2016 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 logic for storing HTTP PUT transactions. This is used
+to ensure idempotency when performing PUTs using the REST API."""
+import logging
+
+from synapse.api.auth import get_access_token_from_request
+from synapse.util.async import ObservableDeferred
+
+logger = logging.getLogger(__name__)
+
+
+def get_transaction_key(request):
+    """A helper function which returns a transaction key that can be used
+    with TransactionCache for idempotent requests.
+
+    Idempotency is based on the returned key being the same for separate
+    requests to the same endpoint. The key is formed from the HTTP request
+    path and the access_token for the requesting user.
+
+    Args:
+        request (twisted.web.http.Request): The incoming request. Must
+        contain an access_token.
+    Returns:
+        str: A transaction key
+    """
+    token = get_access_token_from_request(request)
+    return request.path + "/" + token
+
+
+CLEANUP_PERIOD_MS = 1000 * 60 * 30  # 30 mins
+
+
+class HttpTransactionCache(object):
+
+    def __init__(self, clock):
+        self.clock = clock
+        self.transactions = {
+            # $txn_key: (ObservableDeferred<(res_code, res_json_body)>, timestamp)
+        }
+        # Try to clean entries every 30 mins. This means entries will exist
+        # for at *LEAST* 30 mins, and at *MOST* 60 mins.
+        self.cleaner = self.clock.looping_call(self._cleanup, CLEANUP_PERIOD_MS)
+
+    def fetch_or_execute_request(self, request, fn, *args, **kwargs):
+        """A helper function for fetch_or_execute which extracts
+        a transaction key from the given request.
+
+        See:
+            fetch_or_execute
+        """
+        return self.fetch_or_execute(
+            get_transaction_key(request), fn, *args, **kwargs
+        )
+
+    def fetch_or_execute(self, txn_key, fn, *args, **kwargs):
+        """Fetches the response for this transaction, or executes the given function
+        to produce a response for this transaction.
+
+        Args:
+            txn_key (str): A key to ensure idempotency should fetch_or_execute be
+            called again at a later point in time.
+            fn (function): A function which returns a tuple of
+            (response_code, response_dict).
+            *args: Arguments to pass to fn.
+            **kwargs: Keyword arguments to pass to fn.
+        Returns:
+            Deferred which resolves to a tuple of (response_code, response_dict).
+        """
+        try:
+            return self.transactions[txn_key][0].observe()
+        except (KeyError, IndexError):
+            pass  # execute the function instead.
+
+        deferred = fn(*args, **kwargs)
+        observable = ObservableDeferred(deferred)
+        self.transactions[txn_key] = (observable, self.clock.time_msec())
+        return observable.observe()
+
+    def _cleanup(self):
+        now = self.clock.time_msec()
+        for key in self.transactions.keys():
+            ts = self.transactions[key][1]
+            if now > (ts + CLEANUP_PERIOD_MS):  # after cleanup period
+                del self.transactions[key]
diff --git a/synapse/rest/client/v1/base.py b/synapse/rest/client/v1/base.py
index c2a8447860..c7aa0bbf59 100644
--- a/synapse/rest/client/v1/base.py
+++ b/synapse/rest/client/v1/base.py
@@ -18,7 +18,8 @@
 
 from synapse.http.servlet import RestServlet
 from synapse.api.urls import CLIENT_PREFIX
-from .transactions import HttpTransactionStore
+from synapse.rest.client.transactions import HttpTransactionCache
+
 import re
 
 import logging
@@ -59,4 +60,4 @@ class ClientV1RestServlet(RestServlet):
         self.hs = hs
         self.builder_factory = hs.get_event_builder_factory()
         self.auth = hs.get_v1auth()
-        self.txns = HttpTransactionStore()
+        self.txns = HttpTransactionCache(hs.get_clock())
diff --git a/synapse/rest/client/v1/room.py b/synapse/rest/client/v1/room.py
index 010fbc7c32..3fb1f2deb3 100644
--- a/synapse/rest/client/v1/room.py
+++ b/synapse/rest/client/v1/room.py
@@ -53,19 +53,10 @@ class RoomCreateRestServlet(ClientV1RestServlet):
                                    client_path_patterns("/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)
+        return self.txns.fetch_or_execute_request(
+            request, self.on_POST, request
+        )
 
     @defer.inlineCallbacks
     def on_POST(self, request):
@@ -214,19 +205,10 @@ class RoomSendEventRestServlet(ClientV1RestServlet):
     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, txn_id)
-
-        self.txns.store_client_transaction(request, txn_id, response)
-        defer.returnValue(response)
+        return self.txns.fetch_or_execute_request(
+            request, self.on_POST, request, room_id, event_type, txn_id
+        )
 
 
 # TODO: Needs unit testing for room ID + alias joins
@@ -283,19 +265,10 @@ class JoinRoomAliasServlet(ClientV1RestServlet):
 
         defer.returnValue((200, {"room_id": room_id}))
 
-    @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, txn_id)
-
-        self.txns.store_client_transaction(request, txn_id, response)
-        defer.returnValue(response)
+        return self.txns.fetch_or_execute_request(
+            request, self.on_POST, request, room_identifier, txn_id
+        )
 
 
 # TODO: Needs unit testing
@@ -537,22 +510,11 @@ class RoomForgetRestServlet(ClientV1RestServlet):
 
         defer.returnValue((200, {}))
 
-    @defer.inlineCallbacks
     def on_PUT(self, request, room_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, txn_id
+        return self.txns.fetch_or_execute_request(
+            request, self.on_POST, request, room_id, txn_id
         )
 
-        self.txns.store_client_transaction(request, txn_id, response)
-        defer.returnValue(response)
-
 
 # TODO: Needs unit testing
 class RoomMembershipRestServlet(ClientV1RestServlet):
@@ -623,22 +585,11 @@ class RoomMembershipRestServlet(ClientV1RestServlet):
                 return False
         return True
 
-    @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, txn_id
+        return self.txns.fetch_or_execute_request(
+            request, self.on_POST, request, room_id, membership_action, txn_id
         )
 
-        self.txns.store_client_transaction(request, txn_id, response)
-        defer.returnValue(response)
-
 
 class RoomRedactEventRestServlet(ClientV1RestServlet):
     def __init__(self, hs):
@@ -669,19 +620,10 @@ class RoomRedactEventRestServlet(ClientV1RestServlet):
 
         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, txn_id)
-
-        self.txns.store_client_transaction(request, txn_id, response)
-        defer.returnValue(response)
+        return self.txns.fetch_or_execute_request(
+            request, self.on_POST, request, room_id, event_id, txn_id
+        )
 
 
 class RoomTypingRestServlet(ClientV1RestServlet):
diff --git a/synapse/rest/client/v1/transactions.py b/synapse/rest/client/v1/transactions.py
deleted file mode 100644
index 2f2c9d0881..0000000000
--- a/synapse/rest/client/v1/transactions.py
+++ /dev/null
@@ -1,97 +0,0 @@
-# -*- coding: utf-8 -*-
-# Copyright 2014-2016 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 logic for storing HTTP PUT transactions. This is used
-to ensure idempotency when performing PUTs using the REST API."""
-import logging
-
-from synapse.api.auth import get_access_token_from_request
-
-logger = logging.getLogger(__name__)
-
-
-# FIXME: elsewhere we use FooStore to indicate something in the storage layer...
-class HttpTransactionStore(object):
-
-    def __init__(self):
-        # { key : (txn_id, response) }
-        self.transactions = {}
-
-    def get_response(self, key, txn_id):
-        """Retrieve a response for this request.
-
-        Args:
-            key (str): A transaction-independent key for this request. Usually
-                this is a combination of the path (without the transaction id)
-                and the user's access token.
-            txn_id (str): The transaction ID for this request
-        Returns:
-            A tuple of (HTTP response code, response content) or None.
-        """
-        try:
-            logger.debug("get_response TxnId: %s", txn_id)
-            (last_txn_id, response) = self.transactions[key]
-            if txn_id == last_txn_id:
-                logger.info("get_response: Returning a response for %s", txn_id)
-                return response
-        except KeyError:
-            pass
-        return None
-
-    def store_response(self, key, txn_id, response):
-        """Stores an HTTP response tuple.
-
-        Args:
-            key (str): A transaction-independent key for this request. Usually
-                this is a combination of the path (without the transaction id)
-                and the user's access token.
-            txn_id (str): The transaction ID for this request.
-            response (tuple): A tuple of (HTTP response code, response content)
-        """
-        logger.debug("store_response TxnId: %s", txn_id)
-        self.transactions[key] = (txn_id, response)
-
-    def store_client_transaction(self, request, txn_id, response):
-        """Stores the request/response pair of an HTTP transaction.
-
-        Args:
-            request (twisted.web.http.Request): The twisted HTTP request. This
-            request must have the transaction ID as the last path segment.
-            response (tuple): A tuple of (response code, response dict)
-            txn_id (str): The transaction ID for this request.
-        """
-        self.store_response(self._get_key(request), txn_id, response)
-
-    def get_client_transaction(self, request, txn_id):
-        """Retrieves a stored response if there was one.
-
-        Args:
-            request (twisted.web.http.Request): The twisted HTTP request. This
-            request must have the transaction ID as the last path segment.
-            txn_id (str): The transaction ID for this request.
-        Returns:
-            The response tuple.
-        Raises:
-            KeyError if the transaction was not found.
-        """
-        response = self.get_response(self._get_key(request), txn_id)
-        if response is None:
-            raise KeyError("Transaction not found.")
-        return response
-
-    def _get_key(self, request):
-        token = get_access_token_from_request(request)
-        path_without_txn_id = request.path.rsplit("/", 1)[0]
-        return path_without_txn_id + "/" + token
diff --git a/synapse/rest/client/v2_alpha/sendtodevice.py b/synapse/rest/client/v2_alpha/sendtodevice.py
index 5975164b37..ac660669f3 100644
--- a/synapse/rest/client/v2_alpha/sendtodevice.py
+++ b/synapse/rest/client/v2_alpha/sendtodevice.py
@@ -19,7 +19,7 @@ from twisted.internet import defer
 
 from synapse.http import servlet
 from synapse.http.servlet import parse_json_object_from_request
-from synapse.rest.client.v1.transactions import HttpTransactionStore
+from synapse.rest.client.transactions import HttpTransactionCache
 
 from ._base import client_v2_patterns
 
@@ -40,18 +40,16 @@ class SendToDeviceRestServlet(servlet.RestServlet):
         super(SendToDeviceRestServlet, self).__init__()
         self.hs = hs
         self.auth = hs.get_auth()
-        self.txns = HttpTransactionStore()
+        self.txns = HttpTransactionCache(hs.get_clock())
         self.device_message_handler = hs.get_device_message_handler()
 
-    @defer.inlineCallbacks
     def on_PUT(self, request, message_type, txn_id):
-        try:
-            defer.returnValue(
-                self.txns.get_client_transaction(request, txn_id)
-            )
-        except KeyError:
-            pass
+        return self.txns.fetch_or_execute_request(
+            request, self._put, request, message_type, txn_id
+        )
 
+    @defer.inlineCallbacks
+    def _put(self, request, message_type, txn_id):
         requester = yield self.auth.get_user_by_req(request)
 
         content = parse_json_object_from_request(request)
@@ -63,7 +61,6 @@ class SendToDeviceRestServlet(servlet.RestServlet):
         )
 
         response = (200, {})
-        self.txns.store_client_transaction(request, txn_id, response)
         defer.returnValue(response)
 
 
diff --git a/synapse/storage/events.py b/synapse/storage/events.py
index 49aeb953bd..ecb79c07ef 100644
--- a/synapse/storage/events.py
+++ b/synapse/storage/events.py
@@ -54,6 +54,7 @@ def encode_json(json_object):
     else:
         return json.dumps(json_object, ensure_ascii=False)
 
+
 # These values are used in the `enqueus_event` and `_do_fetch` methods to
 # control how we batch/bulk fetch events from the database.
 # The values are plucked out of thing air to make initial sync run faster
diff --git a/synapse/util/__init__.py b/synapse/util/__init__.py
index 2b3f0bef3c..c05b9450be 100644
--- a/synapse/util/__init__.py
+++ b/synapse/util/__init__.py
@@ -34,7 +34,7 @@ class Clock(object):
     """A small utility that obtains current time-of-day so that time may be
     mocked during unit-tests.
 
-    TODO(paul): Also move the sleep() functionallity into it
+    TODO(paul): Also move the sleep() functionality into it
     """
 
     def time(self):
@@ -46,6 +46,14 @@ class Clock(object):
         return int(self.time() * 1000)
 
     def looping_call(self, f, msec):
+        """Call a function repeatedly.
+
+         Waits `msec` initially before calling `f` for the first time.
+
+        Args:
+            f(function): The function to call repeatedly.
+            msec(float): How long to wait between calls in milliseconds.
+        """
         l = task.LoopingCall(f)
         l.start(msec / 1000.0, now=False)
         return l
diff --git a/synapse/util/ldap_auth_provider.py b/synapse/util/ldap_auth_provider.py
index f852e9b037..1b989248fb 100644
--- a/synapse/util/ldap_auth_provider.py
+++ b/synapse/util/ldap_auth_provider.py
@@ -236,7 +236,8 @@ class LdapAuthProvider(object):
                 value=localpart,
                 base=self.ldap_base
             )
-            conn = ldap3.Connection(server, bind_dn, password)
+            conn = ldap3.Connection(server, bind_dn, password,
+                                    authentication=ldap3.AUTH_SIMPLE)
             logger.debug(
                 "Established LDAP connection in simple bind mode: %s",
                 conn
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-11-08 12:03:36 +0000