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use crate::Api;
use futures::future::BoxFuture;
use hyper::header::HeaderName;
use hyper::{service::Service, Error, Request, Response, StatusCode};
use std::default::Default;
use std::io;
use std::marker::PhantomData;
use std::task::{Context, Poll};
use swagger::auth::{AuthData, Authorization, Bearer, Scopes};
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<Target, T, A, B, C, D> Service<Target> for MakeAddContext<T, A>
where
Target: Send,
A: Default + Push<XSpanIdString, Result = B> + Send,
B: Push<Option<AuthData>, Result = C>,
C: Push<Option<Authorization>, Result = D>,
D: Send + 'static,
T: Service<Target> + Send,
T::Future: Send + 'static,
{
type Error = T::Error;
type Response = AddContext<T::Response, A, B, C, D>;
type Future = BoxFuture<'static, Result<Self::Response, Self::Error>>;
fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
self.inner.poll_ready(cx)
}
fn call(&mut self, target: Target) -> Self::Future {
let service = self.inner.call(target);
Box::pin(async move { Ok(AddContext::new(service.await?)) })
}
}
/// Middleware to add context data from the request
pub struct AddContext<T, A, B, C, D>
where
A: Default + Push<XSpanIdString, Result = B>,
B: Push<Option<AuthData>, Result = C>,
C: Push<Option<Authorization>, Result = D>,
{
inner: T,
marker: PhantomData<A>,
}
impl<T, A, B, C, D> AddContext<T, A, B, C, D>
where
A: Default + Push<XSpanIdString, Result = B>,
B: Push<Option<AuthData>, Result = C>,
C: Push<Option<Authorization>, Result = D>,
{
pub fn new(inner: T) -> Self {
AddContext {
inner,
marker: PhantomData,
}
}
}
impl<T, A, B, C, D, ReqBody> Service<Request<ReqBody>> for AddContext<T, A, B, C, D>
where
A: Default + Push<XSpanIdString, Result = B>,
B: Push<Option<AuthData>, Result = C>,
C: Push<Option<Authorization>, Result = D>,
D: Send + 'static,
T: Service<(Request<ReqBody>, D)>,
{
type Error = T::Error;
type Future = T::Future;
type Response = T::Response;
fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
self.inner.poll_ready(cx)
}
fn call(&mut self, request: Request<ReqBody>) -> Self::Future {
let context = A::default().push(XSpanIdString::get_or_generate(&request));
let headers = request.headers();
{
use std::ops::Deref;
use swagger::auth::Bearer;
if let Some(bearer) = swagger::auth::from_headers::<Bearer>(&headers) {
let auth_data = AuthData::Bearer(bearer);
let context = context.push(Some(auth_data));
let context = context.push(None::<Authorization>);
return self.inner.call((request, context));
}
}
let context = context.push(None::<AuthData>);
let context = context.push(None::<Authorization>);
self.inner.call((request, context))
}
}
|
