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-rw-r--r--changelog.d/7997.misc1
-rw-r--r--synapse/config/server.py15
-rw-r--r--synapse/push/baserules.py216
-rw-r--r--synapse/rest/client/v1/push_rule.py11
-rw-r--r--synapse/storage/databases/main/push_rule.py16
5 files changed, 245 insertions, 14 deletions
diff --git a/changelog.d/7997.misc b/changelog.d/7997.misc
new file mode 100644
index 0000000000..fd53674bc6
--- /dev/null
+++ b/changelog.d/7997.misc
@@ -0,0 +1 @@
+Implement new experimental push rules for some users.
diff --git a/synapse/config/server.py b/synapse/config/server.py
index 848587d232..9f15ed109e 100644
--- a/synapse/config/server.py
+++ b/synapse/config/server.py
@@ -530,6 +530,21 @@ class ServerConfig(Config):
             "request_token_inhibit_3pid_errors", False,
         )
 
+        # List of users trialing the new experimental default push rules. This setting is
+        # not included in the sample configuration file on purpose as it's a temporary
+        # hack, so that some users can trial the new defaults without impacting every
+        # user on the homeserver.
+        users_new_default_push_rules = (
+            config.get("users_new_default_push_rules") or []
+        )  # type: list
+        if not isinstance(users_new_default_push_rules, list):
+            raise ConfigError("'users_new_default_push_rules' must be a list")
+
+        # Turn the list into a set to improve lookup speed.
+        self.users_new_default_push_rules = set(
+            users_new_default_push_rules
+        )  # type: set
+
     def has_tls_listener(self) -> bool:
         return any(listener.tls for listener in self.listeners)
 
diff --git a/synapse/push/baserules.py b/synapse/push/baserules.py
index 286374d0b5..8047873ff1 100644
--- a/synapse/push/baserules.py
+++ b/synapse/push/baserules.py
@@ -19,11 +19,13 @@ import copy
 from synapse.push.rulekinds import PRIORITY_CLASS_INVERSE_MAP, PRIORITY_CLASS_MAP
 
 
-def list_with_base_rules(rawrules):
+def list_with_base_rules(rawrules, use_new_defaults=False):
     """Combine the list of rules set by the user with the default push rules
 
     Args:
         rawrules(list): The rules the user has modified or set.
+        use_new_defaults(bool): Whether to use the new experimental default rules when
+            appending or prepending default rules.
 
     Returns:
         A new list with the rules set by the user combined with the defaults.
@@ -43,7 +45,9 @@ def list_with_base_rules(rawrules):
 
     ruleslist.extend(
         make_base_prepend_rules(
-            PRIORITY_CLASS_INVERSE_MAP[current_prio_class], modified_base_rules
+            PRIORITY_CLASS_INVERSE_MAP[current_prio_class],
+            modified_base_rules,
+            use_new_defaults,
         )
     )
 
@@ -54,6 +58,7 @@ def list_with_base_rules(rawrules):
                     make_base_append_rules(
                         PRIORITY_CLASS_INVERSE_MAP[current_prio_class],
                         modified_base_rules,
+                        use_new_defaults,
                     )
                 )
                 current_prio_class -= 1
@@ -62,6 +67,7 @@ def list_with_base_rules(rawrules):
                         make_base_prepend_rules(
                             PRIORITY_CLASS_INVERSE_MAP[current_prio_class],
                             modified_base_rules,
+                            use_new_defaults,
                         )
                     )
 
@@ -70,27 +76,39 @@ def list_with_base_rules(rawrules):
     while current_prio_class > 0:
         ruleslist.extend(
             make_base_append_rules(
-                PRIORITY_CLASS_INVERSE_MAP[current_prio_class], modified_base_rules
+                PRIORITY_CLASS_INVERSE_MAP[current_prio_class],
+                modified_base_rules,
+                use_new_defaults,
             )
         )
         current_prio_class -= 1
         if current_prio_class > 0:
             ruleslist.extend(
                 make_base_prepend_rules(
-                    PRIORITY_CLASS_INVERSE_MAP[current_prio_class], modified_base_rules
+                    PRIORITY_CLASS_INVERSE_MAP[current_prio_class],
+                    modified_base_rules,
+                    use_new_defaults,
                 )
             )
 
     return ruleslist
 
 
-def make_base_append_rules(kind, modified_base_rules):
+def make_base_append_rules(kind, modified_base_rules, use_new_defaults=False):
     rules = []
 
     if kind == "override":
-        rules = BASE_APPEND_OVERRIDE_RULES
+        rules = (
+            NEW_APPEND_OVERRIDE_RULES
+            if use_new_defaults
+            else BASE_APPEND_OVERRIDE_RULES
+        )
     elif kind == "underride":
-        rules = BASE_APPEND_UNDERRIDE_RULES
+        rules = (
+            NEW_APPEND_UNDERRIDE_RULES
+            if use_new_defaults
+            else BASE_APPEND_UNDERRIDE_RULES
+        )
     elif kind == "content":
         rules = BASE_APPEND_CONTENT_RULES
 
@@ -105,7 +123,7 @@ def make_base_append_rules(kind, modified_base_rules):
     return rules
 
 
-def make_base_prepend_rules(kind, modified_base_rules):
+def make_base_prepend_rules(kind, modified_base_rules, use_new_defaults=False):
     rules = []
 
     if kind == "override":
@@ -270,6 +288,135 @@ BASE_APPEND_OVERRIDE_RULES = [
 ]
 
 
+NEW_APPEND_OVERRIDE_RULES = [
+    {
+        "rule_id": "global/override/.m.rule.encrypted",
+        "conditions": [
+            {
+                "kind": "event_match",
+                "key": "type",
+                "pattern": "m.room.encrypted",
+                "_id": "_encrypted",
+            }
+        ],
+        "actions": ["notify"],
+    },
+    {
+        "rule_id": "global/override/.m.rule.suppress_notices",
+        "conditions": [
+            {
+                "kind": "event_match",
+                "key": "type",
+                "pattern": "m.room.message",
+                "_id": "_suppress_notices_type",
+            },
+            {
+                "kind": "event_match",
+                "key": "content.msgtype",
+                "pattern": "m.notice",
+                "_id": "_suppress_notices",
+            },
+        ],
+        "actions": [],
+    },
+    {
+        "rule_id": "global/underride/.m.rule.suppress_edits",
+        "conditions": [
+            {
+                "kind": "event_match",
+                "key": "m.relates_to.m.rel_type",
+                "pattern": "m.replace",
+                "_id": "_suppress_edits",
+            }
+        ],
+        "actions": [],
+    },
+    {
+        "rule_id": "global/override/.m.rule.invite_for_me",
+        "conditions": [
+            {
+                "kind": "event_match",
+                "key": "type",
+                "pattern": "m.room.member",
+                "_id": "_member",
+            },
+            {
+                "kind": "event_match",
+                "key": "content.membership",
+                "pattern": "invite",
+                "_id": "_invite_member",
+            },
+            {"kind": "event_match", "key": "state_key", "pattern_type": "user_id"},
+        ],
+        "actions": ["notify", {"set_tweak": "sound", "value": "default"}],
+    },
+    {
+        "rule_id": "global/override/.m.rule.contains_display_name",
+        "conditions": [{"kind": "contains_display_name"}],
+        "actions": [
+            "notify",
+            {"set_tweak": "sound", "value": "default"},
+            {"set_tweak": "highlight"},
+        ],
+    },
+    {
+        "rule_id": "global/override/.m.rule.tombstone",
+        "conditions": [
+            {
+                "kind": "event_match",
+                "key": "type",
+                "pattern": "m.room.tombstone",
+                "_id": "_tombstone",
+            },
+            {
+                "kind": "event_match",
+                "key": "state_key",
+                "pattern": "",
+                "_id": "_tombstone_statekey",
+            },
+        ],
+        "actions": [
+            "notify",
+            {"set_tweak": "sound", "value": "default"},
+            {"set_tweak": "highlight"},
+        ],
+    },
+    {
+        "rule_id": "global/override/.m.rule.roomnotif",
+        "conditions": [
+            {
+                "kind": "event_match",
+                "key": "content.body",
+                "pattern": "@room",
+                "_id": "_roomnotif_content",
+            },
+            {
+                "kind": "sender_notification_permission",
+                "key": "room",
+                "_id": "_roomnotif_pl",
+            },
+        ],
+        "actions": [
+            "notify",
+            {"set_tweak": "highlight"},
+            {"set_tweak": "sound", "value": "default"},
+        ],
+    },
+    {
+        "rule_id": "global/override/.m.rule.call",
+        "conditions": [
+            {
+                "kind": "event_match",
+                "key": "type",
+                "pattern": "m.call.invite",
+                "_id": "_call",
+            }
+        ],
+        "actions": ["notify", {"set_tweak": "sound", "value": "ring"}],
+    },
+]
+
+
 BASE_APPEND_UNDERRIDE_RULES = [
     {
         "rule_id": "global/underride/.m.rule.call",
@@ -354,6 +501,36 @@ BASE_APPEND_UNDERRIDE_RULES = [
 ]
 
 
+NEW_APPEND_UNDERRIDE_RULES = [
+    {
+        "rule_id": "global/underride/.m.rule.room_one_to_one",
+        "conditions": [
+            {"kind": "room_member_count", "is": "2", "_id": "member_count"},
+            {
+                "kind": "event_match",
+                "key": "content.body",
+                "pattern": "*",
+                "_id": "body",
+            },
+        ],
+        "actions": ["notify", {"set_tweak": "sound", "value": "default"}],
+    },
+    {
+        "rule_id": "global/underride/.m.rule.message",
+        "conditions": [
+            {
+                "kind": "event_match",
+                "key": "content.body",
+                "pattern": "*",
+                "_id": "body",
+            },
+        ],
+        "actions": ["notify"],
+        "enabled": False,
+    },
+]
+
+
 BASE_RULE_IDS = set()
 
 for r in BASE_APPEND_CONTENT_RULES:
@@ -375,3 +552,26 @@ for r in BASE_APPEND_UNDERRIDE_RULES:
     r["priority_class"] = PRIORITY_CLASS_MAP["underride"]
     r["default"] = True
     BASE_RULE_IDS.add(r["rule_id"])
+
+
+NEW_RULE_IDS = set()
+
+for r in BASE_APPEND_CONTENT_RULES:
+    r["priority_class"] = PRIORITY_CLASS_MAP["content"]
+    r["default"] = True
+    NEW_RULE_IDS.add(r["rule_id"])
+
+for r in BASE_PREPEND_OVERRIDE_RULES:
+    r["priority_class"] = PRIORITY_CLASS_MAP["override"]
+    r["default"] = True
+    NEW_RULE_IDS.add(r["rule_id"])
+
+for r in NEW_APPEND_OVERRIDE_RULES:
+    r["priority_class"] = PRIORITY_CLASS_MAP["override"]
+    r["default"] = True
+    NEW_RULE_IDS.add(r["rule_id"])
+
+for r in NEW_APPEND_UNDERRIDE_RULES:
+    r["priority_class"] = PRIORITY_CLASS_MAP["underride"]
+    r["default"] = True
+    NEW_RULE_IDS.add(r["rule_id"])
diff --git a/synapse/rest/client/v1/push_rule.py b/synapse/rest/client/v1/push_rule.py
index 9fd4908136..00831879f3 100644
--- a/synapse/rest/client/v1/push_rule.py
+++ b/synapse/rest/client/v1/push_rule.py
@@ -25,7 +25,7 @@ from synapse.http.servlet import (
     parse_json_value_from_request,
     parse_string,
 )
-from synapse.push.baserules import BASE_RULE_IDS
+from synapse.push.baserules import BASE_RULE_IDS, NEW_RULE_IDS
 from synapse.push.clientformat import format_push_rules_for_user
 from synapse.push.rulekinds import PRIORITY_CLASS_MAP
 from synapse.rest.client.v2_alpha._base import client_patterns
@@ -45,6 +45,8 @@ class PushRuleRestServlet(RestServlet):
         self.notifier = hs.get_notifier()
         self._is_worker = hs.config.worker_app is not None
 
+        self._users_new_default_push_rules = hs.config.users_new_default_push_rules
+
     async def on_PUT(self, request, path):
         if self._is_worker:
             raise Exception("Cannot handle PUT /push_rules on worker")
@@ -179,7 +181,12 @@ class PushRuleRestServlet(RestServlet):
             rule_id = spec["rule_id"]
             is_default_rule = rule_id.startswith(".")
             if is_default_rule:
-                if namespaced_rule_id not in BASE_RULE_IDS:
+                if user_id in self._users_new_default_push_rules:
+                    rule_ids = NEW_RULE_IDS
+                else:
+                    rule_ids = BASE_RULE_IDS
+
+                if namespaced_rule_id not in rule_ids:
                     raise SynapseError(404, "Unknown rule %r" % (namespaced_rule_id,))
             return self.store.set_push_rule_actions(
                 user_id, namespaced_rule_id, actions, is_default_rule
diff --git a/synapse/storage/databases/main/push_rule.py b/synapse/storage/databases/main/push_rule.py
index 264521635f..19a0211a03 100644
--- a/synapse/storage/databases/main/push_rule.py
+++ b/synapse/storage/databases/main/push_rule.py
@@ -38,7 +38,7 @@ from synapse.util.caches.stream_change_cache import StreamChangeCache
 logger = logging.getLogger(__name__)
 
 
-def _load_rules(rawrules, enabled_map):
+def _load_rules(rawrules, enabled_map, use_new_defaults=False):
     ruleslist = []
     for rawrule in rawrules:
         rule = dict(rawrule)
@@ -48,7 +48,7 @@ def _load_rules(rawrules, enabled_map):
         ruleslist.append(rule)
 
     # We're going to be mutating this a lot, so do a deep copy
-    rules = list(list_with_base_rules(ruleslist))
+    rules = list(list_with_base_rules(ruleslist, use_new_defaults))
 
     for i, rule in enumerate(rules):
         rule_id = rule["rule_id"]
@@ -104,6 +104,8 @@ class PushRulesWorkerStore(
             prefilled_cache=push_rules_prefill,
         )
 
+        self._users_new_default_push_rules = hs.config.users_new_default_push_rules
+
     @abc.abstractmethod
     def get_max_push_rules_stream_id(self):
         """Get the position of the push rules stream.
@@ -133,7 +135,9 @@ class PushRulesWorkerStore(
 
         enabled_map = yield self.get_push_rules_enabled_for_user(user_id)
 
-        rules = _load_rules(rows, enabled_map)
+        use_new_defaults = user_id in self._users_new_default_push_rules
+
+        rules = _load_rules(rows, enabled_map, use_new_defaults)
 
         return rules
 
@@ -193,7 +197,11 @@ class PushRulesWorkerStore(
         enabled_map_by_user = yield self.bulk_get_push_rules_enabled(user_ids)
 
         for user_id, rules in results.items():
-            results[user_id] = _load_rules(rules, enabled_map_by_user.get(user_id, {}))
+            use_new_defaults = user_id in self._users_new_default_push_rules
+
+            results[user_id] = _load_rules(
+                rules, enabled_map_by_user.get(user_id, {}), use_new_defaults,
+            )
 
         return results