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-rw-r--r--synapse/push/baserules.py23
-rw-r--r--synapse/push/bulk_push_rule_evaluator.py35
-rw-r--r--synapse/push/push_rule_evaluator.py34
3 files changed, 85 insertions, 7 deletions
diff --git a/synapse/push/baserules.py b/synapse/push/baserules.py
index 85effdfa46..9dce99ebec 100644
--- a/synapse/push/baserules.py
+++ b/synapse/push/baserules.py
@@ -1,4 +1,5 @@
 # Copyright 2015, 2016 OpenMarket Ltd
+# Copyright 2017 New Vector Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -238,6 +239,28 @@ BASE_APPEND_OVERRIDE_RULES = [
             }
         ]
     },
+    {
+        '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',
+                'value': True,
+            }
+        ]
+    }
 ]
 
 
diff --git a/synapse/push/bulk_push_rule_evaluator.py b/synapse/push/bulk_push_rule_evaluator.py
index b0d64aa6c4..425a017bdf 100644
--- a/synapse/push/bulk_push_rule_evaluator.py
+++ b/synapse/push/bulk_push_rule_evaluator.py
@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
 # Copyright 2015 OpenMarket Ltd
+# Copyright 2017 New Vector Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -19,11 +20,13 @@ from twisted.internet import defer
 
 from .push_rule_evaluator import PushRuleEvaluatorForEvent
 
+from synapse.event_auth import get_user_power_level
 from synapse.api.constants import EventTypes, Membership
 from synapse.metrics import get_metrics_for
 from synapse.util.caches import metrics as cache_metrics
 from synapse.util.caches.descriptors import cached
 from synapse.util.async import Linearizer
+from synapse.state import POWER_KEY
 
 from collections import namedtuple
 
@@ -59,6 +62,7 @@ class BulkPushRuleEvaluator(object):
     def __init__(self, hs):
         self.hs = hs
         self.store = hs.get_datastore()
+        self.auth = hs.get_auth()
 
         self.room_push_rule_cache_metrics = cache_metrics.register_cache(
             "cache",
@@ -109,6 +113,29 @@ class BulkPushRuleEvaluator(object):
         )
 
     @defer.inlineCallbacks
+    def _get_power_levels_and_sender_level(self, event, context):
+        pl_event_id = context.prev_state_ids.get(POWER_KEY)
+        if pl_event_id:
+            # fastpath: if there's a power level event, that's all we need, and
+            # not having a power level event is an extreme edge case
+            pl_event = yield self.store.get_event(pl_event_id)
+            auth_events = {POWER_KEY: pl_event}
+        else:
+            auth_events_ids = yield self.auth.compute_auth_events(
+                event, context.prev_state_ids, for_verification=False,
+            )
+            auth_events = yield self.store.get_events(auth_events_ids)
+            auth_events = {
+                (e.type, e.state_key): e for e in auth_events.itervalues()
+            }
+
+        sender_level = get_user_power_level(event.sender, auth_events)
+
+        pl_event = auth_events.get(POWER_KEY)
+
+        defer.returnValue((pl_event.content if pl_event else {}, sender_level))
+
+    @defer.inlineCallbacks
     def action_for_event_by_user(self, event, context):
         """Given an event and context, evaluate the push rules and return
         the results
@@ -123,7 +150,13 @@ class BulkPushRuleEvaluator(object):
             event, context
         )
 
-        evaluator = PushRuleEvaluatorForEvent(event, len(room_members))
+        (power_levels, sender_power_level) = (
+            yield self._get_power_levels_and_sender_level(event, context)
+        )
+
+        evaluator = PushRuleEvaluatorForEvent(
+            event, len(room_members), sender_power_level, power_levels,
+        )
 
         condition_cache = {}
 
diff --git a/synapse/push/push_rule_evaluator.py b/synapse/push/push_rule_evaluator.py
index 65f9a63fd8..3601f2d365 100644
--- a/synapse/push/push_rule_evaluator.py
+++ b/synapse/push/push_rule_evaluator.py
@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
 # Copyright 2015, 2016 OpenMarket Ltd
+# Copyright 2017 New Vector Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -29,6 +30,21 @@ INEQUALITY_EXPR = re.compile("^([=<>]*)([0-9]*)$")
 
 
 def _room_member_count(ev, condition, room_member_count):
+    return _test_ineq_condition(condition, room_member_count)
+
+
+def _sender_notification_permission(ev, condition, sender_power_level, power_levels):
+    notif_level_key = condition.get('key')
+    if notif_level_key is None:
+        return False
+
+    notif_levels = power_levels.get('notifications', {})
+    room_notif_level = notif_levels.get(notif_level_key, 50)
+
+    return sender_power_level >= room_notif_level
+
+
+def _test_ineq_condition(condition, number):
     if 'is' not in condition:
         return False
     m = INEQUALITY_EXPR.match(condition['is'])
@@ -41,15 +57,15 @@ def _room_member_count(ev, condition, room_member_count):
     rhs = int(rhs)
 
     if ineq == '' or ineq == '==':
-        return room_member_count == rhs
+        return number == rhs
     elif ineq == '<':
-        return room_member_count < rhs
+        return number < rhs
     elif ineq == '>':
-        return room_member_count > rhs
+        return number > rhs
     elif ineq == '>=':
-        return room_member_count >= rhs
+        return number >= rhs
     elif ineq == '<=':
-        return room_member_count <= rhs
+        return number <= rhs
     else:
         return False
 
@@ -65,9 +81,11 @@ def tweaks_for_actions(actions):
 
 
 class PushRuleEvaluatorForEvent(object):
-    def __init__(self, event, room_member_count):
+    def __init__(self, event, room_member_count, sender_power_level, power_levels):
         self._event = event
         self._room_member_count = room_member_count
+        self._sender_power_level = sender_power_level
+        self._power_levels = power_levels
 
         # Maps strings of e.g. 'content.body' -> event["content"]["body"]
         self._value_cache = _flatten_dict(event)
@@ -81,6 +99,10 @@ class PushRuleEvaluatorForEvent(object):
             return _room_member_count(
                 self._event, condition, self._room_member_count
             )
+        elif condition['kind'] == 'sender_notification_permission':
+            return _sender_notification_permission(
+                self._event, condition, self._sender_power_level, self._power_levels,
+            )
         else:
             return True