Function callback_response

crates/openshell-cli/src/auth.rs:247–283

(
    status: StatusCode,
    allowed_origin: Option<&str>,
    content_type: Option<&str>,
    body: impl Into<Bytes>,
)

type CallbackResponse = Response<Full<Bytes>>;

fn callback_response(
    status: StatusCode,
    allowed_origin: Option<&str>,
    content_type: Option<&str>,
    body: impl Into<Bytes>,
) -> CallbackResponse {
    let mut response = Response::new(Full::new(body.into()));
    *response.status_mut() = status;
    let headers = response.headers_mut();
    if let Some(origin) = allowed_origin {
        headers.insert(
            ACCESS_CONTROL_ALLOW_ORIGIN,
            hyper::header::HeaderValue::from_str(origin).expect("callback origin is valid"),
        );
        headers.insert(
            ACCESS_CONTROL_ALLOW_METHODS,
            hyper::header::HeaderValue::from_static("POST, OPTIONS"),
        );
        headers.insert(
            ACCESS_CONTROL_ALLOW_HEADERS,
            hyper::header::HeaderValue::from_static("Content-Type"),
        );
        headers.insert(
            ACCESS_CONTROL_MAX_AGE,
            hyper::header::HeaderValue::from_static("60"),
        );
        headers.insert(VARY, hyper::header::HeaderValue::from_static("Origin"));
    }
    if let Some(content_type) = content_type {
        headers.insert(
            CONTENT_TYPE,
            hyper::header::HeaderValue::from_str(content_type)
                .expect("callback content type is valid"),
        );
    }
    response
}

fn empty_response(status: StatusCode, allowed_origin: Option<&str>) -> CallbackResponse {
    callback_response(status, allowed_origin, None, Bytes::new())