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use crate::Api;
use futures::Future;
use hyper;
use hyper::header::HeaderName;
use hyper::{body::Payload, service::Service, Error, Request, Response, StatusCode};
use std::default::Default;
use std::io;
use std::marker::PhantomData;
use swagger::auth::{AuthData, Authorization, Bearer, Scopes};
use swagger::context::ContextualPayload;
use swagger::{EmptyContext, Has, Pop, Push, XSpanIdString};
use url::form_urlencoded;
pub struct MakeAddContext<T, A> {
inner: T,
marker: PhantomData<A>,
}
impl<T, A, B, C, D> MakeAddContext<T, A>
where
A: Default + Push<XSpanIdString, Result = B>,
B: Push<Option<AuthData>, Result = C>,
C: Push<Option<Authorization>, Result = D>,
{
pub fn new(inner: T) -> MakeAddContext<T, A> {
MakeAddContext {
inner,
marker: PhantomData,
}
}
}
// Make a service that adds context.
impl<'a, T, SC, A, B, C, D, E, ME, S, OB, F> hyper::service::MakeService<&'a SC>
for MakeAddContext<T, A>
where
A: Default + Push<XSpanIdString, Result = B>,
B: Push<Option<AuthData>, Result = C>,
C: Push<Option<Authorization>, Result = D>,
D: Send + 'static,
T: hyper::service::MakeService<
&'a SC,
Error = E,
MakeError = ME,
Service = S,
ReqBody = ContextualPayload<hyper::Body, D>,
ResBody = OB,
Future = F,
>,
S: Service<Error = E, ReqBody = ContextualPayload<hyper::Body, D>, ResBody = OB> + 'static,
ME: swagger::ErrorBound,
E: swagger::ErrorBound,
F: Future<Item = S, Error = ME> + Send + 'static,
S::Future: Send,
OB: Payload,
{
type ReqBody = hyper::Body;
type ResBody = OB;
type Error = E;
type MakeError = ME;
type Service = AddContext<S, A>;
type Future = Box<dyn Future<Item = Self::Service, Error = ME> + Send + 'static>;
fn make_service(&mut self, ctx: &'a SC) -> Self::Future {
Box::new(self.inner.make_service(ctx).map(|s| AddContext::new(s)))
}
}
/// Middleware to extract authentication data from request
pub struct AddContext<T, A> {
inner: T,
marker: PhantomData<A>,
}
impl<T, A, B, C, D> AddContext<T, A>
where
A: Default + Push<XSpanIdString, Result = B>,
B: Push<Option<AuthData>, Result = C>,
C: Push<Option<Authorization>, Result = D>,
T: Service,
{
pub fn new(inner: T) -> AddContext<T, A> {
AddContext {
inner,
marker: PhantomData,
}
}
}
impl<T, A, B, C, D> Service for AddContext<T, A>
where
A: Default + Push<XSpanIdString, Result = B>,
B: Push<Option<AuthData>, Result = C>,
C: Push<Option<Authorization>, Result = D>,
D: Send + 'static,
T: Service<ReqBody = ContextualPayload<hyper::Body, D>>,
T::Future: Future<Item = Response<T::ResBody>, Error = T::Error> + Send + 'static,
{
type ReqBody = hyper::Body;
type ResBody = T::ResBody;
type Error = T::Error;
type Future = Box<dyn Future<Item = Response<T::ResBody>, Error = T::Error> + Send + 'static>;
fn call(&mut self, req: Request<Self::ReqBody>) -> Self::Future {
let context = A::default().push(XSpanIdString::get_or_generate(&req));
let (head, body) = req.into_parts();
let headers = head.headers.clone();
{
use std::ops::Deref;
use swagger::auth::Basic;
if let Some(basic) = swagger::auth::from_headers::<Basic>(&headers) {
let auth_data = AuthData::Basic(basic);
let context = context.push(Some(auth_data));
let context = context.push(None::<Authorization>);
let body = ContextualPayload {
inner: body,
context: context,
};
return Box::new(self.inner.call(hyper::Request::from_parts(head, body)));
}
}
let context = context.push(None::<AuthData>);
let context = context.push(None::<Authorization>);
let body = ContextualPayload {
inner: body,
context: context,
};
Box::new(self.inner.call(hyper::Request::from_parts(head, body)))
}
}
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