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#[cfg(test)]
#[macro_use]
extern crate serde;
use std::fmt;
use std::ops::{Deref, DerefMut};
use actix_http::{Payload, PayloadStream, Response};
use actix_http::http::StatusCode;
use actix_web::{FromRequest, HttpRequest, Responder};
#[cfg(feature = "compress")]
use actix_web::dev::Decompress;
use futures_util::core_reexport::fmt::Formatter;
use futures_util::future::{err, LocalBoxFuture, ok, Ready};
use futures_util::FutureExt;
use serde::de::DeserializeOwned;
use serde::Serialize;
pub use body::*;
pub use config::*;
pub use error::*;
mod error;
mod config;
mod body;
#[cfg(test)]
mod tests;
pub struct Cbor<T>(pub T);
impl<T> Cbor<T> {
pub fn into_inner(self) -> T {
self.0
}
}
impl<T> Deref for Cbor<T> {
type Target = T;
fn deref(&self) -> &T {
&self.0
}
}
impl<T> DerefMut for Cbor<T> {
fn deref_mut(&mut self) -> &mut T {
&mut self.0
}
}
impl<T> fmt::Debug for Cbor<T> where T: fmt::Debug {
fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
write!(f, "Cbor: {:?}", self.0)
}
}
impl<T> Responder for Cbor<T> where T: Serialize {
type Error = CborError;
type Future = Ready<Result<Response, Self::Error>>;
fn respond_to(self, _: &HttpRequest) -> Self::Future {
let body = match serde_cbor::to_vec(&self.0) {
Ok(body) => body,
Err(e) => return err(e.into())
};
ok(Response::build(StatusCode::OK)
.content_type("application/cbor")
.body(body))
}
}
impl<T> FromRequest for Cbor<T> where T: DeserializeOwned + 'static {
type Error = actix_web::Error;
type Future = LocalBoxFuture<'static, Result<Self, Self::Error>>;
type Config = CborConfig;
fn from_request(req: &HttpRequest, payload: &mut Payload<PayloadStream>) -> Self::Future {
let req2 = req.clone();
let config = CborConfig::from_req(req);
let limit = config.limit;
let ctype = config.content_type.clone();
let err_handler = config.err_handler.clone();
CborBody::new(req, payload, ctype)
.limit(limit)
.map(move |res| match res {
Err(e) => {
log::debug!(
"Failed to deserialize CBOR from payload. \
Request path: {}",
req2.path()
);
if let Some(err) = err_handler {
Err((*err)(e, &req2))
} else {
Err(e.into())
}
}
Ok(data) => Ok(Cbor(data)),
})
.boxed_local()
}
}