Implement msc4323 suspension

Author: nexy7574

go.mod

@@ -13,7 +13,7 @@ require (
 	golang.org/x/sync v0.16.0
 	gopkg.in/yaml.v3 v3.0.1
 	maunium.net/go/mauflag v1.0.0
-	maunium.net/go/mautrix v0.25.1-0.20250823214755-7e07700a6943
+	maunium.net/go/mautrix v0.25.1-0.20250831164929-75f12ea228d8
 )
 
 require (

go.sum

@@ -98,5 +98,5 @@ gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 maunium.net/go/mauflag v1.0.0 h1:YiaRc0tEI3toYtJMRIfjP+jklH45uDHtT80nUamyD4M=
 maunium.net/go/mauflag v1.0.0/go.mod h1:nLivPOpTpHnpzEh8jEdSL9UqO9+/KBJFmNRlwKfkPeA=
-maunium.net/go/mautrix v0.25.1-0.20250823214755-7e07700a6943 h1:qNRr7dDDJhGUMTqkp4p1EJ18SL0yMKzB1pdzSZ2XUWo=
-maunium.net/go/mautrix v0.25.1-0.20250823214755-7e07700a6943/go.mod h1:pDd6Ppg+1PbWrw/rg4ZQQfVYZICRGzH+DcliZ/BODvU=
+maunium.net/go/mautrix v0.25.1-0.20250831164929-75f12ea228d8 h1:9vZSazM726hCXBQiH8DdFmRlEmQTHJVN8ksDhbpOX20=
+maunium.net/go/mautrix v0.25.1-0.20250831164929-75f12ea228d8/go.mod h1:pDd6Ppg+1PbWrw/rg4ZQQfVYZICRGzH+DcliZ/BODvU=

policyeval/commands.go

@@ -883,9 +883,14 @@ var cmdSuspend = &CommandHandler{
 	Name:    "suspend",
 	Aliases: []string{"unsuspend"},
 	Func: func(ce *CommandEvent) {
-		err := ce.Meta.Bot.SynapseAdmin.SuspendAccount(ce.Ctx, id.UserID(ce.Args[0]), synapseadmin.ReqSuspendUser{
-			Suspend: ce.Command != "unsuspend",
-		})
+		var err error
+		if ce.Meta.Bot.SpecVersions.Supports(mautrix.FeatureAccountModeration) {
+			_, err = ce.Meta.Bot.UnstableSetSuspendedStatus(ce.Ctx, id.UserID(ce.Args[0]), ce.Command == "suspend")
+		} else {
+			err = ce.Meta.Bot.SynapseAdmin.SuspendAccount(ce.Ctx, id.UserID(ce.Args[0]), synapseadmin.ReqSuspendUser{
+				Suspend: ce.Command != "unsuspend",
+			})
+		}
 		if err != nil {
 			ce.Reply("Failed to %s: %v", ce.Command, err)
 		} else {

policyeval/execute.go

@@ -139,7 +139,13 @@ func (pe *PolicyEvaluator) maybeApplySuspend(ctx context.Context, userID id.User
 	if !plist.AutoSuspend {
 		return
 	}
-	err := pe.Bot.SynapseAdmin.SuspendAccount(ctx, userID, synapseadmin.ReqSuspendUser{Suspend: true})
+
+	var err error
+	if pe.Bot.SpecVersions.Supports(mautrix.FeatureAccountModeration) {
+		_, err = pe.Bot.UnstableSetSuspendedStatus(ctx, userID, true)
+	} else {
+		err = pe.Bot.SynapseAdmin.SuspendAccount(ctx, userID, synapseadmin.ReqSuspendUser{Suspend: true})
+	}
 	if err != nil {
 		zerolog.Ctx(ctx).Err(err).Stringer("user_id", userID).Msg("Failed to suspend user")
 		pe.sendNotice(ctx, "Failed to suspend %s: %v", format.MarkdownMention(userID), err)