pwreset: Stop daemon on restart, dont fail if json is malformed

daemon now stops on the RESTART signal, and when it fails to read JSON,
it no longer stops the whole daemon.

main.go

@@ -586,11 +586,13 @@ func start(asDaemon, firstCall bool) {
 		}
 	}()
 	for range RESTART {
+		println("got it too!")
 		ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
 		defer cancel()
 		if err := SRV.Shutdown(ctx); err != nil {
 			app.err.Fatalf("Server shutdown error: %s", err)
 		}
+		app.info.Println("Server shut down.")
 		return
 	}
 }
@@ -608,6 +610,7 @@ func (app *appContext) shutdown() {
 		if err := SRV.Shutdown(cntx); err != nil {
 			app.err.Fatalf("Server shutdown error: %s", err)
 		}
+
 		os.Exit(1)
 	}
 }

pwreset.go

@@ -40,13 +40,13 @@ func (app *appContext) StartPWR() {
 	}
 	defer watcher.Close()
 
-	done := make(chan bool)
 	go pwrMonitor(app, watcher)
 	err = watcher.Add(path)
 	if err != nil {
 		app.err.Printf("Failed to start password reset daemon: %s", err)
 	}
-	<-done
+
+	<-RESTART
 }
 
 // PasswordReset represents a passwordreset-xyz.json file generated by Jellyfin.
@@ -77,7 +77,7 @@ func pwrMonitor(app *appContext, watcher *fsnotify.Watcher) {
 				err = json.Unmarshal(data, &pwr)
 				if len(pwr.Pin) == 0 || err != nil {
 					app.debug.Printf("PWR: Failed to read PIN: %v", err)
-					return
+					continue
 				}
 				app.info.Printf("New password reset for user \"%s\"", pwr.Username)
 				if currentTime := time.Now(); pwr.Expiry.After(currentTime) {