From 8cdebce470869613658543cb79ed5dd97a5f0548 Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Thu, 11 Dec 2014 13:25:19 +0000 Subject: [PATCH] Fix redactions. Fix 'age' key --- synapse/events/__init__.py | 1 + synapse/events/builder.py | 13 ++++-- synapse/events/utils.py | 21 ++++++++++ synapse/state.py | 12 ++++++ synapse/storage/_base.py | 70 +++++++++++++++++++-------------- tests/storage/test_redaction.py | 6 +-- 6 files changed, 88 insertions(+), 35 deletions(-) diff --git a/synapse/events/__init__.py b/synapse/events/__init__.py index 7103b937af..98d7f0e324 100644 --- a/synapse/events/__init__.py +++ b/synapse/events/__init__.py @@ -97,6 +97,7 @@ class EventBase(object): origin_server_ts = _event_dict_property("origin_server_ts") prev_events = _event_dict_property("prev_events") prev_state = _event_dict_property("prev_state") + redacts = _event_dict_property("redacts") room_id = _event_dict_property("room_id") sender = _event_dict_property("sender") state_key = _event_dict_property("state_key") diff --git a/synapse/events/builder.py b/synapse/events/builder.py index 642264e9f3..9579b1fe8b 100644 --- a/synapse/events/builder.py +++ b/synapse/events/builder.py @@ -19,11 +19,18 @@ from synapse.types import EventID from synapse.util.stringutils import random_string +import copy + class EventBuilder(EventBase): def __init__(self, key_values={}): + signatures = copy.deepcopy(key_values.pop("signatures", {})) + unsigned = copy.deepcopy(key_values.pop("unsigned", {})) + super(EventBuilder, self).__init__( key_values, + signatures=signatures, + unsigned=unsigned ) def update_event_key(self, key, value): @@ -61,9 +68,9 @@ class EventBuilderFactory(object): key_values.setdefault("origin", self.hostname) key_values.setdefault("origin_server_ts", time_now) - if "unsigned" in key_values: - age = key_values["unsigned"].pop("age", 0) - key_values["unsigned"].setdefault("age_ts", time_now - age) + key_values.setdefault("unsigned", {}) + age = key_values["unsigned"].pop("age", 0) + key_values["unsigned"].setdefault("age_ts", time_now - age) key_values["signatures"] = {} diff --git a/synapse/events/utils.py b/synapse/events/utils.py index f5e135e3d0..6d9c9352e2 100644 --- a/synapse/events/utils.py +++ b/synapse/events/utils.py @@ -80,6 +80,11 @@ def prune_event(event): allowed_fields["content"] = new_content + allowed_fields["unsigned"] = {} + + if "age_ts" in event.unsigned: + allowed_fields["unsigned"]["age_ts"] = event.unsigned["age_ts"] + return type(event)(allowed_fields) @@ -97,4 +102,20 @@ def serialize_event(hs, e): d["user_id"] = d.pop("sender", None) + if "redacted_because" in e.unsigned: + d["redacted_because"] = serialize_event( + hs, e.unsigned["redacted_because"] + ) + + del d["unsigned"]["redacted_because"] + + if "redacted_by" in e.unsigned: + d["redacted_by"] = e.unsigned["redacted_by"] + del d["unsigned"]["redacted_by"] + + del d["auth_events"] + del d["prev_events"] + del d["hashes"] + del d["signatures"] + return d diff --git a/synapse/state.py b/synapse/state.py index 7fdf596006..5bfa73fb46 100644 --- a/synapse/state.py +++ b/synapse/state.py @@ -155,6 +155,12 @@ class StateHandler(object): else: context.auth_events = {} + if event.is_state(): + key = (event.type, event.state_key) + if key in context.current_state: + replaces = context.current_state[key] + event.unsigned["replaces_state"] = replaces.event_id + defer.returnValue([]) if event.is_state(): @@ -177,6 +183,12 @@ class StateHandler(object): prev_state ) + if event.is_state(): + key = (event.type, event.state_key) + if key in context.current_state: + replaces = context.current_state[key] + event.unsigned["replaces_state"] = replaces.event_id + if hasattr(event, "auth_events") and event.auth_events: auth_ids = zip(*event.auth_events)[0] context.auth_events = { diff --git a/synapse/storage/_base.py b/synapse/storage/_base.py index 12239fa074..ffc26d4a61 100644 --- a/synapse/storage/_base.py +++ b/synapse/storage/_base.py @@ -444,39 +444,51 @@ class SQLBaseStore(object): def _get_events_txn(self, txn, event_ids): events = [] for e_id in event_ids: - js = self._simple_select_one_onecol_txn( - txn, - table="event_json", - keyvalues={"event_id": e_id}, - retcol="json", - allow_none=True, - ) + ev = self._get_event_txn(txn, e_id) - if not js: - # FIXME (erikj): What should we actually do here? - continue - - d = json.loads(js) - - ev = FrozenEvent(d) - - if hasattr(ev, "redacted") and ev.redacted: - # Get the redaction event. - select_event_sql = "SELECT * FROM events WHERE event_id = ?" - txn.execute(select_event_sql, (ev.redacted,)) - - del_evs = self._parse_events_txn( - txn, self.cursor_to_dict(txn) - ) - - if del_evs: - ev = prune_event(ev) - ev.redacted_because = del_evs[0] - - events.append(ev) + if ev: + events.append(ev) return events + def _get_event_txn(self, txn, event_id, check_redacted=True): + sql = ( + "SELECT json, r.event_id FROM event_json as e " + "LEFT JOIN redactions as r ON e.event_id = r.redacts " + "WHERE e.event_id = ? " + "LIMIT 1 " + ) + + txn.execute(sql, (event_id,)) + + res = txn.fetchone() + + if not res: + return None + + js, redacted = res + + d = json.loads(js) + + ev = FrozenEvent(d) + + if check_redacted and redacted: + ev = prune_event(ev) + + ev.unsigned["redacted_by"] = redacted + # Get the redaction event. + + because = self._get_event_txn( + txn, + redacted, + check_redacted=False + ) + + if because: + ev.unsigned["redacted_because"] = because + + return ev + def _parse_events(self, rows): return self.runInteraction( "_parse_events", self._parse_events_txn, rows diff --git a/tests/storage/test_redaction.py b/tests/storage/test_redaction.py index e8671ae3a2..d81f7add1c 100644 --- a/tests/storage/test_redaction.py +++ b/tests/storage/test_redaction.py @@ -149,7 +149,7 @@ class RedactionTestCase(unittest.TestCase): event, ) - self.assertFalse(hasattr(event, "redacted_because")) + self.assertFalse("redacted_because" in event.unsigned) # Redact event reason = "Because I said so" @@ -179,7 +179,7 @@ class RedactionTestCase(unittest.TestCase): event, ) - self.assertTrue(hasattr(event, "redacted_because")) + self.assertTrue("redacted_because" in event.unsigned) self.assertObjectHasAttributes( { @@ -187,7 +187,7 @@ class RedactionTestCase(unittest.TestCase): "user_id": self.u_alice.to_string(), "content": {"reason": reason}, }, - event.redacted_because, + event.unsigned["redacted_because"], ) @defer.inlineCallbacks