internal: fix URL generation for websocket connection (#12439)

Signed-off-by: Jens Langhammer <jens@goauthentik.io>

internal/outpost/ak/api_ws_test.go

@@ -0,0 +1,32 @@
+package ak
+
+import (
+	"net/url"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func URLMustParse(u string) *url.URL {
+	ur, err := url.Parse(u)
+	if err != nil {
+		panic(err)
+	}
+	return ur
+}
+
+func TestWebsocketURL(t *testing.T) {
+	u := URLMustParse("http://localhost:9000?foo=bar")
+	uuid := "23470845-7263-4fe3-bd79-ec1d7bf77d77"
+	ac := &APIController{}
+	nu := ac.getWebsocketURL(*u, uuid)
+	assert.Equal(t, "ws://localhost:9000/ws/outpost/23470845-7263-4fe3-bd79-ec1d7bf77d77?foo=bar", nu.String())
+}
+
+func TestWebsocketURL_Subpath(t *testing.T) {
+	u := URLMustParse("http://localhost:9000/foo/bar/")
+	uuid := "23470845-7263-4fe3-bd79-ec1d7bf77d77"
+	ac := &APIController{}
+	nu := ac.getWebsocketURL(*u, uuid)
+	assert.Equal(t, "ws://localhost:9000/foo/bar/ws/outpost/23470845-7263-4fe3-bd79-ec1d7bf77d77", nu.String())
+}