Send Appropriate Response on Error

Users can now place custom error pages in static/error/<error_code>.html
e.g. static/error/404.html

If no custom page is found, a default plaintext describing the error is served.
This commit is contained in:
eir 2018-04-26 14:14:37 -07:00 committed by Owen Nelson
parent fd93b3419f
commit 17106be497

View file

@ -22,7 +22,7 @@
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
use std::env;
use std::fs::remove_dir_all;
use std::fs::{File, remove_dir_all};
use std::io;
use std::path::{Path, PathBuf};
use std::sync::mpsc::channel;
@ -58,6 +58,31 @@ enum ChangeKind {
// errors
const LIVE_RELOAD: &'static str = include_str!("livereload.js");
struct ErrCatcher;
impl AfterMiddleware for ErrCatcher {
fn catch(&self, _: &mut Request, err: IronError) -> IronResult<Response> {
let err_status = err.response.status.unwrap_or(status::InternalServerError);
// Search for e.g. "static/error/404.html"
let err_page = File::open( format!("static/error/{}.html", err_status.to_u16()) );
if err_page.is_ok() {
let mut err_res = Response::with(( err_status, err_page.unwrap() ));
err_res.headers.set(ContentType::html());
return Ok(err_res);
}
// No custom error page, serve default
let mut err_res = Response::with(( err_status, format!("Error: {}.", err_status) ));
err_res.headers.set(ContentType::plaintext());
Ok(err_res)
}
}
fn livereload_handler(_: HttpRequest) -> &'static str {
LIVE_RELOAD