Test allowed origins on startup.

cmaglie · cmaglie · commit 86d054dcd006 · 2025-10-30T17:06:51.000+01:00
diff --git a/internal/api/handlers/monitor.go b/internal/api/handlers/monitor.go
@@ -127,6 +127,9 @@ func checkOrigin(origin string, allowedOrigins []string) bool {
 }
 
 func HandleMonitorWS(allowedOrigins []string) http.HandlerFunc {
+	// Do a dry-run of checkorigin, so it can panic if misconfigured now, not on first request
+	_ = checkOrigin("http://example.com:8000", allowedOrigins)
+
 	upgrader := websocket.Upgrader{
 		ReadBufferSize:  1024,
 		WriteBufferSize: 1024,

Original file line number	Diff line number	Diff line change
`@@ -127,6 +127,9 @@ func checkOrigin(origin string, allowedOrigins []string) bool {`
`127`	`127`	`}`
`128`	`128`
`129`	`129`	`func HandleMonitorWS(allowedOrigins []string) http.HandlerFunc {`
	`130`	`+ // Do a dry-run of checkorigin, so it can panic if misconfigured now, not on first request`
	`131`	`+ _ = checkOrigin("http://example.com:8000", allowedOrigins)`
	`132`	`+`
`130`	`133`	`upgrader := websocket.Upgrader{`
`131`	`134`	`ReadBufferSize: 1024,`
`132`	`135`	`WriteBufferSize: 1024,`