From 1b3243cb0022087a39cb2caeabcef69d1fa1a273 Mon Sep 17 00:00:00 2001
From: Andrew Morgan <andrew@amorgan.xyz>
Date: Tue, 20 Jan 2026 17:14:47 +0000
Subject: [PATCH] Disable local passwords in MAS Synapse

Otherwise we'll get the following error upon Synapse startup: Password auth cannot be enabled while OAuth delegation is enabled.
---
 .../element-web/tests/restricted-guests.spec.ts               | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/restricted-guests/element-web/tests/restricted-guests.spec.ts b/modules/restricted-guests/element-web/tests/restricted-guests.spec.ts
index 964cbdbd46..31ef8fa8e1 100644
--- a/modules/restricted-guests/element-web/tests/restricted-guests.spec.ts
+++ b/modules/restricted-guests/element-web/tests/restricted-guests.spec.ts
@@ -195,6 +195,10 @@ const masTest = base.extend<
                         endpoint: `${MAS_INTERNAL_URL}/`,
                         secret: MAS_SHARED_SECRET,
                     },
+                    // Must be disabled when using MAS.
+                    password_config: {
+                        enabled: false,
+                    },
                 } as Partial<SynapseConfig>)
                 .withMatrixAuthenticationService(guestMas)
                 .withNetwork(network)