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authorDavid Baker <dbkr@users.noreply.github.com>2021-07-22 15:29:27 +0100
committerGitHub <noreply@github.com>2021-07-22 15:29:27 +0100
commit7da24b975dfb10c277cf963dfddb88f55b1ca598 (patch)
treeb5e55404cfc05ac84e4008770ac1538d64738060 /synapse
parentMove upgrade blurb (diff)
downloadsynapse-7da24b975dfb10c277cf963dfddb88f55b1ca598.tar.xz
Always send device_one_time_keys_count (#10457)
As per comment

Fixes https://github.com/matrix-org/synapse/issues/10456
See also https://github.com/vector-im/element-android/issues/3725
Diffstat (limited to 'synapse')
-rw-r--r--synapse/rest/client/v2_alpha/sync.py11
1 files changed, 7 insertions, 4 deletions
diff --git a/synapse/rest/client/v2_alpha/sync.py b/synapse/rest/client/v2_alpha/sync.py
index ecbbcf3851..32e8500795 100644
--- a/synapse/rest/client/v2_alpha/sync.py
+++ b/synapse/rest/client/v2_alpha/sync.py
@@ -252,10 +252,13 @@ class SyncRestServlet(RestServlet):
         if sync_result.device_lists.left:
             response["device_lists"]["left"] = list(sync_result.device_lists.left)
 
-        if sync_result.device_one_time_keys_count:
-            response[
-                "device_one_time_keys_count"
-            ] = sync_result.device_one_time_keys_count
+        # We always include this because https://github.com/vector-im/element-android/issues/3725
+        # The spec isn't terribly clear on when this can be omitted and how a client would tell
+        # the difference between "no keys present" and "nothing changed" in terms of whole field
+        # absent / individual key type entry absent
+        # Corresponding synapse issue: https://github.com/matrix-org/synapse/issues/10456
+        response["device_one_time_keys_count"] = sync_result.device_one_time_keys_count
+
         if sync_result.device_unused_fallback_key_types:
             response[
                 "org.matrix.msc2732.device_unused_fallback_key_types"