Check negative limit command parameter (#358) (#359)

fix #358

Co-authored-by: Brahim Hamdouni <brahim@hamdouni.com>
Reviewed-on: https://gitea.com/gitea/tea/pulls/359
Reviewed-by: techknowlogick <techknowlogick@gitea.io>
Reviewed-by: Norwin <noerw@noreply.gitea.io>
Co-authored-by: Brahim HAMDOUNI <hamdouni@noreply.gitea.io>
Co-committed-by: Brahim HAMDOUNI <hamdouni@noreply.gitea.io>

modules/context/context.go

@@ -39,6 +39,9 @@ type TeaContext struct {
 func (ctx *TeaContext) GetListOptions() gitea.ListOptions {
 	page := ctx.Int("page")
 	limit := ctx.Int("limit")
+	if limit < 0 {
+		limit = 0
+	}
 	if limit != 0 && page == 0 {
 		page = 1
 	}