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https://github.com/element-hq/synapse
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Noop device key changes if they're the same
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commit
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3 changed files with 45 additions and 15 deletions
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@ -287,11 +287,12 @@ class E2eKeysHandler(object):
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device_id, user_id, time_now
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)
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# TODO: Sign the JSON with the server key
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yield self.store.set_e2e_device_keys(
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user_id, device_id, time_now,
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encode_canonical_json(device_keys)
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changed = yield self.store.set_e2e_device_keys(
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user_id, device_id, time_now, device_keys,
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)
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yield self.device_handler.notify_device_update(user_id, [device_id])
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if changed:
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# Only notify about device updates *if* the keys actually changed
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yield self.device_handler.notify_device_update(user_id, [device_id])
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one_time_keys = keys.get("one_time_keys", None)
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if one_time_keys:
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@ -164,6 +164,7 @@ class DeviceStore(SQLBaseStore):
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keyvalues={
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"user_id": user_id,
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},
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desc="mark_remote_user_device_list_as_unsubscribed",
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)
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def update_remote_device_list_cache_entry(self, user_id, device_id, content,
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@ -14,21 +14,49 @@
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# limitations under the License.
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from twisted.internet import defer
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from canonicaljson import encode_canonical_json
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from ._base import SQLBaseStore
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class EndToEndKeyStore(SQLBaseStore):
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def set_e2e_device_keys(self, user_id, device_id, time_now, json_bytes):
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return self._simple_upsert(
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table="e2e_device_keys_json",
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keyvalues={
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"user_id": user_id,
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"device_id": device_id,
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},
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values={
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"ts_added_ms": time_now,
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"key_json": json_bytes,
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}
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def set_e2e_device_keys(self, user_id, device_id, time_now, device_keys):
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"""Stores device keys for a device. Returns whether there was a change
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or the keys were already in the database.
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"""
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def _set_e2e_device_keys_txn(txn):
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old_key_json = self._simple_select_one_onecol_txn(
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txn,
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table="e2e_device_keys_json",
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keyvalues={
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"user_id": user_id,
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"device_id": device_id,
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},
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retcol="key_json",
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allow_none=True,
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)
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new_key_json = encode_canonical_json(device_keys)
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if old_key_json == new_key_json:
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return False
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self._simple_upsert_txn(
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txn,
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table="e2e_device_keys_json",
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keyvalues={
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"user_id": user_id,
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"device_id": device_id,
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},
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values={
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"ts_added_ms": time_now,
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"key_json": new_key_json,
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}
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)
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return True
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return self.runInteraction(
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"set_e2e_device_keys", _set_e2e_device_keys_txn
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)
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def get_e2e_device_keys(self, query_list, include_all_devices=False):
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