fn external_url() -> impl Filter<Extract = (Url,), Error = warp::Rejection> + Clone {
    warp::host::optional()
        .and(warp::header::optional("x-forwarded-host"))
        .and(warp::header::optional("x-forwarded-proto"))
        .and(warp::path::full())
        .and(optional_raw_query())
        .and_then(
            |maybe_host: Option<warp::http::uri::Authority>,
             maybe_forwarded_host: Option<String>,
             maybe_forward_proto: Option<String>,
             path: warp::path::FullPath,
             maybe_query: Option<String>| {
                let scheme = maybe_forward_proto.as_deref().unwrap_or("http");
                let host = maybe_forwarded_host
                    .as_deref()
                    .or_else(|| maybe_host.as_ref().map(|a| a.as_str()))
                    .unwrap_or("localhost");
                match Url::parse(&format!("{}://{}{}", scheme, host, path.as_str())) {
                    Ok(mut url) => {
                        url.set_query(maybe_query.as_deref());
                        future::ok(url)
                    }
                    Err(err) => {
                        error!("Invalid url: {}", err);
                        future::err(warp::reject())
                    }
                }
            },
        )
}
// Helper to reconstruct the original url of the request.
// This will honour the X-Forwarded-Host and X-Forwarded-Proto headers if the
// oauth-proxy operates behind a load-balancer (which it usually should do).
Helper to reconstruct the original url of the request.
Helper to reconstruct the original url of the request .
fn external_url() -> impl Filter<Extract = (Url,), Error = warp::Rejection> + Clone {
    warp::host::optional()
        .and(warp::header::optional("x-forwarded-host"))
        .and(warp::header::optional("x-forwarded-proto"))
        .and(warp::path::full())
        .and(optional_raw_query())
        .and_then(
            |maybe_host: Option<warp::http::uri::Authority>,
             maybe_forwarded_host: Option<String>,
             maybe_forward_proto: Option<String>,
             path: warp::path::FullPath,
             maybe_query: Option<String>| {
                let scheme = maybe_forward_proto.as_deref().unwrap_or("http");
                let host = maybe_forwarded_host
                    .as_deref()
                    .or_else(|| maybe_host.as_ref().map(|a| a.as_str()))
                    .unwrap_or("localhost");
                match Url::parse(&format!("{}://{}{}", scheme, host, path.as_str())) {
                    Ok(mut url) => {
                        url.set_query(maybe_query.as_deref());
                        future::ok(url)
                    }
                    Err(err) => {
                        error!("Invalid url: {}", err);
                        future::err(warp::reject())
                    }
                }
            },
        )
}
fn external_url ( ) -> impl Filter < Extract = ( Url , ) , Error = warp :: Rejection > + Clone { warp :: host :: optional ( ) . and ( warp :: header :: optional ( " " ) ) . and ( warp :: header :: optional ( " " ) ) . and ( warp :: path :: full ( ) ) . and ( optional_raw_query ( ) ) . and_then ( | maybe_host : Option < warp :: http :: uri :: Authority > , maybe_forwarded_host : Option < String > , maybe_forward_proto : Option < String > , path : warp :: path :: FullPath , maybe_query : Option < String > | { let scheme = maybe_forward_proto . as_deref ( ) . unwrap_or ( " " ) ; let host = maybe_forwarded_host . as_deref ( ) . or_else ( | | maybe_host . as_ref ( ) . map ( | a | a . as_str ( ) ) ) . unwrap_or ( " " ) ; match Url :: parse ( & format ! ( " " scheme host path as_str ( ) ) ) { Ok ( mut url ) => { url . set_query ( maybe_query . as_deref ( ) ) ; future :: ok ( url ) } Err ( err ) => { error ! ( " " err ) ; future :: err ( warp :: reject ( ) ) } } } , ) }
Helper to reconstruct the original url of the request.
Helper to reconstruct the original url of the request .