khatru: allow disabling expiration manager.

khatru/relay.go

@@ -6,6 +6,7 @@ import (
 	"log"
 	"net/http"
 	"os"
+	"slices"
 	"strconv"
 	"strings"
 	"sync"
@@ -168,3 +169,12 @@ func (rl *Relay) getBaseURL(r *http.Request) string {
 	}
 	return proto + "://" + host
 }
+
+func (rl *Relay) DisableExpiration() {
+	rl.expirationManager.stop()
+	idx := slices.Index(rl.Info.SupportedNIPs, 40)
+	if idx != -1 {
+		rl.Info.SupportedNIPs[idx] = rl.Info.SupportedNIPs[len(rl.Info.SupportedNIPs)-1]
+		rl.Info.SupportedNIPs = rl.Info.SupportedNIPs[0 : len(rl.Info.SupportedNIPs)-1]
+	}
+}