Merge remote-tracking branch 'origin/develop' into matrix-org-hotfixes

4 files changed, 36 insertions, 7 deletions

diff --git a/synapse/config/appservice.py b/synapse/config/appservice.py
index 439bfe1526..ada165f238 100644
--- a/synapse/config/appservice.py
+++ b/synapse/config/appservice.py
@@ -170,6 +170,7 @@ def _load_appservice(
     # When enabled, appservice transactions contain the following information:
     #  - device One-Time Key counts
     #  - device unused fallback key usage states
+    #  - device list changes
     msc3202_transaction_extensions = as_info.get("org.matrix.msc3202", False)
     if not isinstance(msc3202_transaction_extensions, bool):
         raise ValueError(
diff --git a/synapse/config/experimental.py b/synapse/config/experimental.py
index 064db4487c..43db5fcdd9 100644
--- a/synapse/config/experimental.py
+++ b/synapse/config/experimental.py
@@ -59,8 +59,9 @@ class ExperimentalConfig(Config):
             "msc3202_device_masquerading", False
         )
 
-        # Portion of MSC3202 related to transaction extensions:
-        # sending one-time key counts and fallback key usage to application services.
+        # The portion of MSC3202 related to transaction extensions:
+        # sending device list changes, one-time key counts and fallback key
+        # usage to application services.
         self.msc3202_transaction_extensions: bool = experimental.get(
             "msc3202_transaction_extensions", False
         )
@@ -77,3 +78,6 @@ class ExperimentalConfig(Config):
 
         # The deprecated groups feature.
         self.groups_enabled: bool = experimental.get("groups_enabled", True)
+
+        # MSC2654: Unread counts
+        self.msc2654_enabled: bool = experimental.get("msc2654_enabled", False)
diff --git a/synapse/config/key.py b/synapse/config/key.py
index ee83c6c06b..f5377e7d9c 100644
--- a/synapse/config/key.py
+++ b/synapse/config/key.py
@@ -16,7 +16,7 @@
 import hashlib
 import logging
 import os
-from typing import Any, Dict, Iterator, List, Optional
+from typing import TYPE_CHECKING, Any, Dict, Iterator, List, Optional
 
 import attr
 import jsonschema
@@ -38,6 +38,9 @@ from synapse.util.stringutils import random_string, random_string_with_symbols
 
 from ._base import Config, ConfigError
 
+if TYPE_CHECKING:
+    from signedjson.key import VerifyKeyWithExpiry
+
 INSECURE_NOTARY_ERROR = """\
 Your server is configured to accept key server responses without signature
 validation or TLS certificate validation. This is likely to be very insecure. If
@@ -300,7 +303,7 @@ class KeyConfig(Config):
 
     def read_old_signing_keys(
         self, old_signing_keys: Optional[JsonDict]
-    ) -> Dict[str, VerifyKey]:
+    ) -> Dict[str, "VerifyKeyWithExpiry"]:
         if old_signing_keys is None:
             return {}
         keys = {}
@@ -308,8 +311,8 @@ class KeyConfig(Config):
             if is_signing_algorithm_supported(key_id):
                 key_base64 = key_data["key"]
                 key_bytes = decode_base64(key_base64)
-                verify_key = decode_verify_key_bytes(key_id, key_bytes)
-                verify_key.expired_ts = key_data["expired_ts"]
+                verify_key: "VerifyKeyWithExpiry" = decode_verify_key_bytes(key_id, key_bytes)  # type: ignore[assignment]
+                verify_key.expired = key_data["expired_ts"]
                 keys[key_id] = verify_key
             else:
                 raise ConfigError(
@@ -422,7 +425,7 @@ def _parse_key_servers(
         server_name = server["server_name"]
         result = TrustedKeyServer(server_name=server_name)
 
-        verify_keys = server.get("verify_keys")
+        verify_keys: Optional[Dict[str, str]] = server.get("verify_keys")
         if verify_keys is not None:
             result.verify_keys = {}
             for key_id, key_base64 in verify_keys.items():
diff --git a/synapse/config/server.py b/synapse/config/server.py
index 38de4b8000..b3a9e50752 100644
--- a/synapse/config/server.py
+++ b/synapse/config/server.py
@@ -680,6 +680,18 @@ class ServerConfig(Config):
             config.get("use_account_validity_in_account_status") or False
         )
 
+        # This is a temporary option that enables fully using the new
+        # `device_lists_changes_in_room` without the backwards compat code. This
+        # is primarily for testing. If enabled the server should *not* be
+        # downgraded, as it may lead to missing device list updates.
+        self.use_new_device_lists_changes_in_room = (
+            config.get("use_new_device_lists_changes_in_room") or False
+        )
+
+        self.rooms_to_exclude_from_sync: List[str] = (
+            config.get("exclude_rooms_from_sync") or []
+        )
+
     def has_tls_listener(self) -> bool:
         return any(listener.tls for listener in self.listeners)
 
@@ -1234,6 +1246,15 @@ class ServerConfig(Config):
           # information about using custom templates.
           #
           #custom_template_directory: /path/to/custom/templates/
+
+        # List of rooms to exclude from sync responses. This is useful for server
+        # administrators wishing to group users into a room without these users being able
+        # to see it from their client.
+        #
+        # By default, no room is excluded.
+        #
+        #exclude_rooms_from_sync:
+        #    - !foo:example.com
         """
             % locals()
         )