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-rw-r--r--synapse/api/auth.py88
-rw-r--r--synapse/api/errors.py4
-rw-r--r--synapse/handlers/presence.py51
-rw-r--r--synapse/push/baserules.py14
-rw-r--r--synapse/push/rulekinds.py14
-rw-r--r--synapse/python_dependencies.py14
-rw-r--r--synapse/rest/media/v1/identicon_resource.py14
-rw-r--r--synapse/storage/schema/delta/14/upgrade_appservice_db.py14
-rw-r--r--synapse/storage/schema/delta/14/v14.sql14
9 files changed, 160 insertions, 67 deletions
diff --git a/synapse/api/auth.py b/synapse/api/auth.py
index e159e4503f..a21120b313 100644
--- a/synapse/api/auth.py
+++ b/synapse/api/auth.py
@@ -183,18 +183,10 @@ class Auth(object):
         else:
             join_rule = JoinRules.INVITE
 
-        user_level = self._get_power_level_from_event_state(
-            event,
-            event.user_id,
-            auth_events,
-        )
+        user_level = self._get_user_power_level(event.user_id, auth_events)
 
-        ban_level, kick_level, redact_level = (
-            self._get_ops_level_from_event_state(
-                event,
-                auth_events,
-            )
-        )
+        # FIXME (erikj): What should we do here as the default?
+        ban_level = self._get_named_level(auth_events, "ban", 50)
 
         logger.debug(
             "is_membership_change_allowed: %s",
@@ -210,11 +202,6 @@ class Auth(object):
             }
         )
 
-        if ban_level:
-            ban_level = int(ban_level)
-        else:
-            ban_level = 50  # FIXME (erikj): What should we do here?
-
         if Membership.JOIN != membership:
             # JOIN is the only action you can perform if you're not in the room
             if not caller_in_room:  # caller isn't joined
@@ -259,10 +246,7 @@ class Auth(object):
                     403, "You cannot unban user &s." % (target_user_id,)
                 )
             elif target_user_id != event.user_id:
-                if kick_level:
-                    kick_level = int(kick_level)
-                else:
-                    kick_level = 50  # FIXME (erikj): What should we do here?
+                kick_level = self._get_named_level(auth_events, "kick", 50)
 
                 if user_level < kick_level:
                     raise AuthError(
@@ -276,34 +260,42 @@ class Auth(object):
 
         return True
 
-    def _get_power_level_from_event_state(self, event, user_id, auth_events):
+    def _get_power_level_event(self, auth_events):
         key = (EventTypes.PowerLevels, "", )
-        power_level_event = auth_events.get(key)
-        level = None
+        return auth_events.get(key)
+
+    def _get_user_power_level(self, user_id, auth_events):
+        power_level_event = self._get_power_level_event(auth_events)
+
         if power_level_event:
             level = power_level_event.content.get("users", {}).get(user_id)
             if not level:
                 level = power_level_event.content.get("users_default", 0)
+
+            if level is None:
+                return 0
+            else:
+                return int(level)
         else:
             key = (EventTypes.Create, "", )
             create_event = auth_events.get(key)
             if (create_event is not None and
                     create_event.content["creator"] == user_id):
                 return 100
+            else:
+                return 0
 
-        return level
+    def _get_named_level(self, auth_events, name, default):
+        power_level_event = self._get_power_level_event(auth_events)
 
-    def _get_ops_level_from_event_state(self, event, auth_events):
-        key = (EventTypes.PowerLevels, "", )
-        power_level_event = auth_events.get(key)
+        if not power_level_event:
+            return default
 
-        if power_level_event:
-            return (
-                power_level_event.content.get("ban", 50),
-                power_level_event.content.get("kick", 50),
-                power_level_event.content.get("redact", 50),
-            )
-        return None, None, None,
+        level = power_level_event.content.get(name, None)
+        if level is not None:
+            return int(level)
+        else:
+            return default
 
     @defer.inlineCallbacks
     def get_user_by_req(self, request):
@@ -498,16 +490,7 @@ class Auth(object):
         else:
             send_level = 0
 
-        user_level = self._get_power_level_from_event_state(
-            event,
-            event.user_id,
-            auth_events,
-        )
-
-        if user_level:
-            user_level = int(user_level)
-        else:
-            user_level = 0
+        user_level = self._get_user_power_level(event.user_id, auth_events)
 
         if user_level < send_level:
             raise AuthError(
@@ -539,16 +522,9 @@ class Auth(object):
         return True
 
     def _check_redaction(self, event, auth_events):
-        user_level = self._get_power_level_from_event_state(
-            event,
-            event.user_id,
-            auth_events,
-        )
+        user_level = self._get_user_power_level(event.user_id, auth_events)
 
-        _, _, redact_level = self._get_ops_level_from_event_state(
-            event,
-            auth_events,
-        )
+        redact_level = self._get_named_level(auth_events, "redact", 50)
 
         if user_level < redact_level:
             raise AuthError(
@@ -576,11 +552,7 @@ class Auth(object):
         if not current_state:
             return
 
-        user_level = self._get_power_level_from_event_state(
-            event,
-            event.user_id,
-            auth_events,
-        )
+        user_level = self._get_user_power_level(event.user_id, auth_events)
 
         # Check other levels:
         levels_to_check = [
diff --git a/synapse/api/errors.py b/synapse/api/errors.py
index eddd889778..72d2bd5b4c 100644
--- a/synapse/api/errors.py
+++ b/synapse/api/errors.py
@@ -35,8 +35,8 @@ class Codes(object):
     LIMIT_EXCEEDED = "M_LIMIT_EXCEEDED"
     CAPTCHA_NEEDED = "M_CAPTCHA_NEEDED"
     CAPTCHA_INVALID = "M_CAPTCHA_INVALID"
-    MISSING_PARAM = "M_MISSING_PARAM",
-    TOO_LARGE = "M_TOO_LARGE",
+    MISSING_PARAM = "M_MISSING_PARAM"
+    TOO_LARGE = "M_TOO_LARGE"
     EXCLUSIVE = "M_EXCLUSIVE"
 
 
diff --git a/synapse/handlers/presence.py b/synapse/handlers/presence.py
index bbc7a0f200..571eacd343 100644
--- a/synapse/handlers/presence.py
+++ b/synapse/handlers/presence.py
@@ -36,6 +36,9 @@ metrics = synapse.metrics.get_metrics_for(__name__)
 # Don't bother bumping "last active" time if it differs by less than 60 seconds
 LAST_ACTIVE_GRANULARITY = 60*1000
 
+# Keep no more than this number of offline serial revisions
+MAX_OFFLINE_SERIALS = 1000
+
 
 # TODO(paul): Maybe there's one of these I can steal from somewhere
 def partition(l, func):
@@ -135,6 +138,9 @@ class PresenceHandler(BaseHandler):
         self._remote_sendmap = {}
         # map remote users to sets of local users who're interested in them
         self._remote_recvmap = {}
+        # list of (serial, set of(userids)) tuples, ordered by serial, latest
+        # first
+        self._remote_offline_serials = []
 
         # map any user to a UserPresenceCache
         self._user_cachemap = {}
@@ -714,8 +720,24 @@ class PresenceHandler(BaseHandler):
                 statuscache=statuscache,
             )
 
+            user_id = user.to_string()
+
             if state["presence"] == PresenceState.OFFLINE:
+                self._remote_offline_serials.insert(
+                    0,
+                    (self._user_cachemap_latest_serial, set([user_id]))
+                )
+                while len(self._remote_offline_serials) > MAX_OFFLINE_SERIALS:
+                    self._remote_offline_serials.pop()  # remove the oldest
                 del self._user_cachemap[user]
+            else:
+                # Remove the user from remote_offline_serials now that they're
+                # no longer offline
+                for idx, elem in enumerate(self._remote_offline_serials):
+                    (_, user_ids) = elem
+                    user_ids.discard(user_id)
+                    if not user_ids:
+                        self._remote_offline_serials.pop(idx)
 
         for poll in content.get("poll", []):
             user = UserID.from_string(poll)
@@ -836,6 +858,8 @@ class PresenceEventSource(object):
 
         presence = self.hs.get_handlers().presence_handler
         cachemap = presence._user_cachemap
+        clock = self.clock
+        latest_serial = None
 
         updates = []
         # TODO(paul): use a DeferredList ? How to limit concurrency.
@@ -845,18 +869,31 @@ class PresenceEventSource(object):
             if cached.serial <= from_key:
                 continue
 
-            if (yield self.is_visible(observer_user, observed_user)):
-                updates.append((observed_user, cached))
+            if not (yield self.is_visible(observer_user, observed_user)):
+                continue
+
+            if latest_serial is None or cached.serial > latest_serial:
+                latest_serial = cached.serial
+            updates.append(cached.make_event(user=observed_user, clock=clock))
 
         # TODO(paul): limit
 
-        if updates:
-            clock = self.clock
+        for serial, user_ids in presence._remote_offline_serials:
+            if serial < from_key:
+                break
 
-            latest_serial = max([x[1].serial for x in updates])
-            data = [x[1].make_event(user=x[0], clock=clock) for x in updates]
+            for u in user_ids:
+                updates.append({
+                    "type": "m.presence",
+                    "content": {"user_id": u, "presence": PresenceState.OFFLINE},
+                })
+        # TODO(paul): For the v2 API we want to tell the client their from_key
+        #   is too old if we fell off the end of the _remote_offline_serials
+        #   list, and get them to invalidate+resync. In v1 we have no such
+        #   concept so this is a best-effort result.
 
-            defer.returnValue((data, latest_serial))
+        if updates:
+            defer.returnValue((updates, latest_serial))
         else:
             defer.returnValue(([], presence._user_cachemap_latest_serial))
 
diff --git a/synapse/push/baserules.py b/synapse/push/baserules.py
index 60fd35fbfb..f8408d6596 100644
--- a/synapse/push/baserules.py
+++ b/synapse/push/baserules.py
@@ -1,3 +1,17 @@
+# Copyright 2015 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.
+
 from synapse.push.rulekinds import PRIORITY_CLASS_MAP, PRIORITY_CLASS_INVERSE_MAP
 
 
diff --git a/synapse/push/rulekinds.py b/synapse/push/rulekinds.py
index 660aa4e10e..4c591aa638 100644
--- a/synapse/push/rulekinds.py
+++ b/synapse/push/rulekinds.py
@@ -1,3 +1,17 @@
+# Copyright 2015 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.
+
 PRIORITY_CLASS_MAP = {
     'underride': 1,
     'sender': 2,
diff --git a/synapse/python_dependencies.py b/synapse/python_dependencies.py
index ee72f774b3..8b457419cf 100644
--- a/synapse/python_dependencies.py
+++ b/synapse/python_dependencies.py
@@ -1,3 +1,17 @@
+# Copyright 2015 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.
+
 import logging
 from distutils.version import LooseVersion
 
diff --git a/synapse/rest/media/v1/identicon_resource.py b/synapse/rest/media/v1/identicon_resource.py
index 912856386a..603859d5d4 100644
--- a/synapse/rest/media/v1/identicon_resource.py
+++ b/synapse/rest/media/v1/identicon_resource.py
@@ -1,3 +1,17 @@
+# Copyright 2015 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.
+
 from pydenticon import Generator
 from twisted.web.resource import Resource
 
diff --git a/synapse/storage/schema/delta/14/upgrade_appservice_db.py b/synapse/storage/schema/delta/14/upgrade_appservice_db.py
index 847b1c5b89..9f3a4dd4c5 100644
--- a/synapse/storage/schema/delta/14/upgrade_appservice_db.py
+++ b/synapse/storage/schema/delta/14/upgrade_appservice_db.py
@@ -1,3 +1,17 @@
+# Copyright 2015 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.
+
 import json
 import logging
 
diff --git a/synapse/storage/schema/delta/14/v14.sql b/synapse/storage/schema/delta/14/v14.sql
index 0212726448..1d09ad7a15 100644
--- a/synapse/storage/schema/delta/14/v14.sql
+++ b/synapse/storage/schema/delta/14/v14.sql
@@ -1,3 +1,17 @@
+/* Copyright 2015 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.
+ */
 CREATE TABLE IF NOT EXISTS push_rules_enable (
   id INTEGER PRIMARY KEY AUTOINCREMENT,
   user_name TEXT NOT NULL,