From c731ec5421fbe3b7f7797533c6763bfdd018114d Mon Sep 17 00:00:00 2001
From: Erwan Leboucher <erwanleboucher@gmail.com>
Date: Thu, 27 Aug 2026 08:40:06 +0200
Subject: [PATCH] fix: Stop applying MSC4155 invite filtering to outgoing
 invites

---
 changelog.d/msc4155-outbound-invites.bugfix.md |  1 +
 src/api/client/membership/invite.rs            | 11 +++++------
 src/api/client/room/create.rs                  | 14 ++++++--------
 3 files changed, 12 insertions(+), 14 deletions(-)
 create mode 100644 changelog.d/msc4155-outbound-invites.bugfix.md

diff --git a/changelog.d/msc4155-outbound-invites.bugfix.md b/changelog.d/msc4155-outbound-invites.bugfix.md
new file mode 100644
index 000000000..fc479293f
--- /dev/null
+++ b/changelog.d/msc4155-outbound-invites.bugfix.md
@@ -0,0 +1 @@
+Fixed MSC4155 invite filtering being applied to outgoing invites, which prevented users from inviting anyone they had blocked or ignored invites from. Contributed by @eleboucher.
diff --git a/src/api/client/membership/invite.rs b/src/api/client/membership/invite.rs
index cf88de8f9..eda4a276e 100644
--- a/src/api/client/membership/invite.rs
+++ b/src/api/client/membership/invite.rs
@@ -49,13 +49,12 @@ pub(crate) async fn invite_user_route(
 			reason,
 			..
 		}) => {
-			let sender_filter_level = services
+			// silently drop invites to users the sender has ignored
+			if services
 				.users
-				.invite_filter_level(recipient_user, sender_user)
-				.await;
-
-			if !matches!(sender_filter_level, FilterLevel::Allow) {
-				// drop invites if the sender has the recipient filtered
+				.user_is_ignored(recipient_user, sender_user)
+				.await
+			{
 				return Ok(invite_user::v3::Response::new());
 			}
 
diff --git a/src/api/client/room/create.rs b/src/api/client/room/create.rs
index 157acf72a..03bf0b449 100644
--- a/src/api/client/room/create.rs
+++ b/src/api/client/room/create.rs
@@ -156,14 +156,12 @@ pub(crate) async fn create_room_route(
 	let mut invitees = BTreeSet::new();
 
 	for recipient_user in &body.invite {
-		if !matches!(
-			services
-				.users
-				.invite_filter_level(recipient_user, sender_user)
-				.await,
-			FilterLevel::Allow
-		) {
-			// drop invites if the creator has them blocked
+		// silently drop invites to users the creator has ignored
+		if services
+			.users
+			.user_is_ignored(recipient_user, sender_user)
+			.await
+		{
 			continue;
 		}