From b5fef6054a3d5763a031440ad4c56fc97b12d2aa Mon Sep 17 00:00:00 2001
From: Dirk Klimpel <5740567+dklimpel@users.noreply.github.com>
Date: Thu, 19 Aug 2021 11:40:40 +0200
Subject: Support MSC3283: Expose `enable_set_displayname` in capabilities
 (#10452)

---
 synapse/config/experimental.py      |  3 +++
 synapse/rest/client/capabilities.py | 11 +++++++++++
 2 files changed, 14 insertions(+)

(limited to 'synapse')

diff --git a/synapse/config/experimental.py b/synapse/config/experimental.py
index b918fb15b0..a85d8a5dc6 100644
--- a/synapse/config/experimental.py
+++ b/synapse/config/experimental.py
@@ -39,5 +39,8 @@ class ExperimentalConfig(Config):
         # MSC3244 (room version capabilities)
         self.msc3244_enabled: bool = experimental.get("msc3244_enabled", False)
 
+        # MSC3283 (set displayname, avatar_url and change 3pid capabilities)
+        self.msc3283_enabled: bool = experimental.get("msc3283_enabled", False)
+
         # MSC3266 (room summary api)
         self.msc3266_enabled: bool = experimental.get("msc3266_enabled", False)
diff --git a/synapse/rest/client/capabilities.py b/synapse/rest/client/capabilities.py
index 88e3aac797..093549512e 100644
--- a/synapse/rest/client/capabilities.py
+++ b/synapse/rest/client/capabilities.py
@@ -61,6 +61,17 @@ class CapabilitiesRestServlet(RestServlet):
                 "org.matrix.msc3244.room_capabilities"
             ] = MSC3244_CAPABILITIES
 
+        if self.config.experimental.msc3283_enabled:
+            response["capabilities"]["org.matrix.msc3283.set_displayname"] = {
+                "enabled": self.config.enable_set_displayname
+            }
+            response["capabilities"]["org.matrix.msc3283.set_avatar_url"] = {
+                "enabled": self.config.enable_set_avatar_url
+            }
+            response["capabilities"]["org.matrix.msc3283.3pid_changes"] = {
+                "enabled": self.config.enable_3pid_changes
+            }
+
         return 200, response
 
 
-- 
cgit 1.5.1