one var to control encryption across all bridges (#2629)

* one var to control encryption across all bridges

* move var to matrix-base

roles/custom/matrix-bridge-mautrix-facebook/defaults/main.yml

@@ -149,3 +149,8 @@ matrix_mautrix_facebook_registration_yaml: |
   de.sorunome.msc2409.push_ephemeral: true
 
 matrix_mautrix_facebook_registration: "{{ matrix_mautrix_facebook_registration_yaml | from_yaml }}"
+
+# Enable End-to-bridge encryption
+matrix_mautrix_facebook_bridge_encryption_allow: "{{ matrix_bridges_encryption_enabled }}"
+matrix_mautrix_facebook_bridge_encryption_default: "{{ matrix_mautrix_facebook_bridge_encryption_allow }}"
+matrix_mautrix_facebook_bridge_encryption_key_sharing_allow: "{{ matrix_mautrix_facebook_bridge_encryption_allow }}"

roles/custom/matrix-bridge-mautrix-facebook/templates/config.yaml.j2

@@ -126,15 +126,15 @@ bridge:
     # application service.
     encryption:
         # Allow encryption, work in group chat rooms with e2ee enabled
-        allow: false
+        allow: {{ matrix_mautrix_facebook_bridge_encryption_allow|to_json }}
         # Default to encryption, force-enable encryption in all portals the bridge creates
         # This will cause the bridge bot to be in private chats for the encryption to work properly.
-        default: false
+        default: {{ matrix_mautrix_facebook_bridge_encryption_default|to_json }}
         # Options for automatic key sharing.
         key_sharing:
             # Enable key sharing? If enabled, key requests for rooms where users are in will be fulfilled.
             # You must use a client that supports requesting keys from other users to use this feature.
-            allow: false
+            allow_key_sharing: {{ matrix_mautrix_facebook_bridge_encryption_key_sharing_allow|to_json }}
             # Require the requesting device to have a valid cross-signing signature?
             # This doesn't require that the bridge has verified the device, only that the user has verified it.
             # Not yet implemented.