Function RenderStaticErrorPage

site/site.go:721–742

RenderStaticErrorPage renders the static error page. This is used by app requests to avoid dependence on the dashboard but maintain the ability to render a friendly error page on subdomains.

(rw http.ResponseWriter, r *http.Request, data ErrorPageData)

// requests to avoid dependence on the dashboard but maintain the ability to
// render a friendly error page on subdomains.
func RenderStaticErrorPage(rw http.ResponseWriter, r *http.Request, data ErrorPageData) {
	type outerData struct {
		Error ErrorPageData

		ErrorDescriptionHTML htmltemplate.HTML
	}

	rw.Header().Set("Content-Type", "text/html; charset=utf-8")
	rw.WriteHeader(data.Status)

	err := errorTemplate.Execute(rw, outerData{
		Error:                data,
		ErrorDescriptionHTML: htmltemplate.HTML(data.Description), //nolint:gosec // gosec thinks this is user-input, but it is from Coder deployment configuration.
	})
	if err != nil {
		httpapi.Write(r.Context(), rw, http.StatusInternalServerError, codersdk.Response{
			Message: "Failed to render error page: " + err.Error(),
			Detail:  fmt.Sprintf("Original error was: %d %s, %s", data.Status, data.Title, data.Description),
		})
		return
	}
}

func applicationNameOrDefault(cfg codersdk.AppearanceConfig) string {
	if cfg.ApplicationName != "" {