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< / pre > < pre class = "rust" > < code > < span class = "doccomment" > //! HTTP Authentication middleware.
< / span > < span class = "kw" > use < / span > std::{
future::Future,
marker::PhantomData,
pin::Pin,
rc::Rc,
sync::Arc,
task::{Context, Poll},
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};
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< span class = "kw" > use < / span > actix_web::{
body::{EitherBody, MessageBody},
dev::{Service, ServiceRequest, ServiceResponse, Transform},
Error, FromRequest,
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};
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< span class = "kw" > use < / span > futures_core::ready;
< span class = "kw" > use < / span > futures_util::future::{< span class = "self" > self< / span > , LocalBoxFuture, TryFutureExt < span class = "kw" > as _< / span > };
< span class = "kw" > use < / span > < span class = "kw" > crate< / span > ::extractors::{basic, bearer};
< span class = "doccomment" > /// Middleware for checking HTTP authentication.
///
/// If there is no `Authorization` header in the request, this middleware returns an error
/// immediately, without calling the `F` callback.
///
/// Otherwise, it will pass both the request and the parsed credentials into it. In case of
/// successful validation `F` callback is required to return the `ServiceRequest` back.
< / span > < span class = "attribute" > #[derive(Debug, Clone)]
< / span > < span class = "kw" > pub struct < / span > HttpAuthentication< T, F>
< span class = "kw" > where
< / span > T: FromRequest,
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{
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process_fn: Arc< F> ,
_extractor: PhantomData< T> ,
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}
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< span class = "kw" > impl< / span > < T, F, O> HttpAuthentication< T, F>
< span class = "kw" > where
< / span > T: FromRequest,
F: Fn(ServiceRequest, T) -> O,
O: Future< Output = < span class = "prelude-ty" > Result< / span > < ServiceRequest, (Error, ServiceRequest)> > ,
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{
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< span class = "doccomment" > /// Construct `HttpAuthentication` middleware with the provided auth extractor `T` and
/// validation callback `F`.
< / span > < span class = "kw" > pub fn < / span > with_fn(process_fn: F) -> HttpAuthentication< T, F> {
HttpAuthentication {
process_fn: Arc::new(process_fn),
_extractor: PhantomData,
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}
}
}
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< span class = "kw" > impl< / span > < F, O> HttpAuthentication< basic::BasicAuth, F>
< span class = "kw" > where
< / span > F: Fn(ServiceRequest, basic::BasicAuth) -> O,
O: Future< Output = < span class = "prelude-ty" > Result< / span > < ServiceRequest, (Error, ServiceRequest)> > ,
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{
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< span class = "doccomment" > /// Construct `HttpAuthentication` middleware for the HTTP " Basic" authentication scheme.
///
/// # Examples
/// ```
/// # use actix_web::{Error, dev::ServiceRequest};
/// # use actix_web_httpauth::{extractors::basic::BasicAuth, middleware::HttpAuthentication};
/// // In this example validator returns immediately, but since it is required to return
/// // anything that implements `IntoFuture` trait, it can be extended to query database or to
/// // do something else in a async manner.
/// async fn validator(
/// req: ServiceRequest,
/// credentials: BasicAuth,
/// ) -> Result< ServiceRequest, (Error, ServiceRequest)> {
/// // All users are great and more than welcome!
/// Ok(req)
/// }
///
/// let middleware = HttpAuthentication::basic(validator);
/// ```
< / span > < span class = "kw" > pub fn < / span > basic(process_fn: F) -> < span class = "self" > Self < / span > {
< span class = "self" > Self< / span > ::with_fn(process_fn)
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}
}
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< span class = "kw" > impl< / span > < F, O> HttpAuthentication< bearer::BearerAuth, F>
< span class = "kw" > where
< / span > F: Fn(ServiceRequest, bearer::BearerAuth) -> O,
O: Future< Output = < span class = "prelude-ty" > Result< / span > < ServiceRequest, (Error, ServiceRequest)> > ,
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{
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< span class = "doccomment" > /// Construct `HttpAuthentication` middleware for the HTTP " Bearer" authentication scheme.
///
/// # Examples
/// ```
/// # use actix_web::{Error, dev::ServiceRequest};
/// # use actix_web_httpauth::{
/// # extractors::{AuthenticationError, AuthExtractorConfig, bearer::{self, BearerAuth}},
/// # middleware::HttpAuthentication,
/// # };
/// async fn validator(
/// req: ServiceRequest,
/// credentials: BearerAuth
/// ) -> Result< ServiceRequest, (Error, ServiceRequest)> {
/// if credentials.token() == " mF_9.B5f-4.1JqM" {
/// Ok(req)
/// } else {
/// let config = req.app_data::< bearer::Config> ()
/// .cloned()
/// .unwrap_or_default()
/// .scope(" urn:example:channel=HBO& urn:example:rating=G,PG-13" );
///
/// Err((AuthenticationError::from(config).into(), req))
/// }
/// }
///
/// let middleware = HttpAuthentication::bearer(validator);
/// ```
< / span > < span class = "kw" > pub fn < / span > bearer(process_fn: F) -> < span class = "self" > Self < / span > {
< span class = "self" > Self< / span > ::with_fn(process_fn)
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}
}
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< span class = "kw" > impl< / span > < S, B, T, F, O> Transform< S, ServiceRequest> < span class = "kw" > for < / span > HttpAuthentication< T, F>
< span class = "kw" > where
< / span > S: Service< ServiceRequest, Response = ServiceResponse< B> , Error = Error> + < span class = "lifetime" > ' static< / span > ,
S::Future: < span class = "lifetime" > ' static< / span > ,
F: Fn(ServiceRequest, T) -> O + < span class = "lifetime" > ' static< / span > ,
O: Future< Output = < span class = "prelude-ty" > Result< / span > < ServiceRequest, (Error, ServiceRequest)> > + < span class = "lifetime" > ' static< / span > ,
T: FromRequest + < span class = "lifetime" > ' static< / span > ,
B: MessageBody + < span class = "lifetime" > ' static< / span > ,
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{
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< span class = "kw" > type < / span > Response = ServiceResponse< EitherBody< B> > ;
< span class = "kw" > type < / span > Error = Error;
< span class = "kw" > type < / span > Transform = AuthenticationMiddleware< S, F, T> ;
< span class = "kw" > type < / span > InitError = ();
< span class = "kw" > type < / span > Future = future::Ready< < span class = "prelude-ty" > Result< / span > < < span class = "self" > Self< / span > ::Transform, < span class = "self" > Self< / span > ::InitError> > ;
< span class = "kw" > fn < / span > new_transform(< span class = "kw-2" > & < / span > < span class = "self" > self< / span > , service: S) -> < span class = "self" > Self< / span > ::Future {
future::ok(AuthenticationMiddleware {
service: Rc::new(service),
process_fn: < span class = "self" > self< / span > .process_fn.clone(),
_extractor: PhantomData,
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})
}
}
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< span class = "attribute" > #[doc(hidden)]
< / span > < span class = "kw" > pub struct < / span > AuthenticationMiddleware< S, F, T>
< span class = "kw" > where
< / span > T: FromRequest,
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{
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service: Rc< S> ,
process_fn: Arc< F> ,
_extractor: PhantomData< T> ,
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}
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< span class = "kw" > impl< / span > < S, B, F, T, O> Service< ServiceRequest> < span class = "kw" > for < / span > AuthenticationMiddleware< S, F, T>
< span class = "kw" > where
< / span > S: Service< ServiceRequest, Response = ServiceResponse< B> , Error = Error> + < span class = "lifetime" > ' static< / span > ,
S::Future: < span class = "lifetime" > ' static< / span > ,
F: Fn(ServiceRequest, T) -> O + < span class = "lifetime" > ' static< / span > ,
O: Future< Output = < span class = "prelude-ty" > Result< / span > < ServiceRequest, (Error, ServiceRequest)> > + < span class = "lifetime" > ' static< / span > ,
T: FromRequest + < span class = "lifetime" > ' static< / span > ,
B: MessageBody + < span class = "lifetime" > ' static< / span > ,
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{
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< span class = "kw" > type < / span > Response = ServiceResponse< EitherBody< B> > ;
< span class = "kw" > type < / span > Error = S::Error;
< span class = "kw" > type < / span > Future = LocalBoxFuture< < span class = "lifetime" > ' static< / span > , < span class = "prelude-ty" > Result< / span > < < span class = "self" > Self< / span > ::Response, < span class = "self" > Self< / span > ::Error> > ;
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< span class = "macro" > actix_web::dev::forward_ready!< / span > (service);
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< span class = "kw" > fn < / span > call(< span class = "kw-2" > & < / span > < span class = "self" > self< / span > , req: ServiceRequest) -> < span class = "self" > Self< / span > ::Future {
< span class = "kw" > let < / span > process_fn = Arc::clone(< span class = "kw-2" > & < / span > < span class = "self" > self< / span > .process_fn);
< span class = "kw" > let < / span > service = Rc::clone(< span class = "kw-2" > & < / span > < span class = "self" > self< / span > .service);
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Box::pin(< span class = "kw" > async move < / span > {
< span class = "kw" > let < / span > (req, credentials) = < span class = "kw" > match < / span > Extract::< T> ::new(req).< span class = "kw" > await < / span > {
< span class = "prelude-val" > Ok< / span > (req) => req,
< span class = "prelude-val" > Err< / span > ((err, req)) => {
< span class = "kw" > return < / span > < span class = "prelude-val" > Ok< / span > (req.error_response(err).map_into_right_body());
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}
};
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< span class = "kw" > let < / span > req = < span class = "kw" > match < / span > process_fn(req, credentials).< span class = "kw" > await < / span > {
< span class = "prelude-val" > Ok< / span > (req) => req,
< span class = "prelude-val" > Err< / span > ((err, req)) => {
< span class = "kw" > return < / span > < span class = "prelude-val" > Ok< / span > (req.error_response(err).map_into_right_body());
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}
};
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service.call(req).< span class = "kw" > await< / span > .map(|res| res.map_into_left_body())
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})
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}
}
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< span class = "kw" > struct < / span > Extract< T> {
req: < span class = "prelude-ty" > Option< / span > < ServiceRequest> ,
fut: < span class = "prelude-ty" > Option< / span > < LocalBoxFuture< < span class = "lifetime" > ' static< / span > , < span class = "prelude-ty" > Result< / span > < T, Error> > > ,
_extractor: PhantomData< < span class = "kw" > fn< / span > () -> T> ,
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}
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< span class = "kw" > impl< / span > < T> Extract< T> {
< span class = "kw" > pub fn < / span > new(req: ServiceRequest) -> < span class = "self" > Self < / span > {
Extract {
req: < span class = "prelude-val" > Some< / span > (req),
fut: < span class = "prelude-val" > None< / span > ,
_extractor: PhantomData,
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}
}
}
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< span class = "kw" > impl< / span > < T> Future < span class = "kw" > for < / span > Extract< T>
< span class = "kw" > where
< / span > T: FromRequest,
T::Future: < span class = "lifetime" > ' static< / span > ,
T::Error: < span class = "lifetime" > ' static< / span > ,
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{
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< span class = "kw" > type < / span > Output = < span class = "prelude-ty" > Result< / span > < (ServiceRequest, T), (Error, ServiceRequest)> ;
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< span class = "kw" > fn < / span > poll(< span class = "kw-2" > mut < / span > < span class = "self" > self< / span > : Pin< < span class = "kw-2" > & mut < / span > < span class = "self" > Self< / span > > , ctx: < span class = "kw-2" > & mut < / span > Context< < span class = "lifetime" > ' _< / span > > ) -> Poll< < span class = "self" > Self< / span > ::Output> {
< span class = "kw" > if < / span > < span class = "self" > self< / span > .fut.is_none() {
< span class = "kw" > let < / span > req = < span class = "self" > self< / span > .req.as_mut().expect(< span class = "string" > " Extract future was polled twice!" < / span > );
< span class = "kw" > let < / span > fut = req.extract::< T> ().map_err(Into::into);
< span class = "self" > self< / span > .fut = < span class = "prelude-val" > Some< / span > (Box::pin(fut));
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}
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< span class = "kw" > let < / span > fut = < span class = "self" > self
< / span > .fut
.as_mut()
.expect(< span class = "string" > " Extraction future should be initialized at this point" < / span > );
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< span class = "kw" > let < / span > credentials = < span class = "macro" > ready!< / span > (fut.as_mut().poll(ctx)).map_err(|err| {
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(
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err,
< span class = "comment" > // returning request allows a proper error response to be created
< / span > < span class = "self" > self< / span > .req.take().expect(< span class = "string" > " Extract future was polled twice!" < / span > ),
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)
})< span class = "question-mark" > ?< / span > ;
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< span class = "kw" > let < / span > req = < span class = "self" > self< / span > .req.take().expect(< span class = "string" > " Extract future was polled twice!" < / span > );
Poll::Ready(< span class = "prelude-val" > Ok< / span > ((req, credentials)))
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}
}
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< span class = "attribute" > #[cfg(test)]
< / span > < span class = "kw" > mod < / span > tests {
< span class = "kw" > use < / span > actix_service::into_service;
< span class = "kw" > use < / span > actix_web::{
dev::Service,
error::{< span class = "self" > self< / span > , ErrorForbidden},
http::StatusCode,
test::TestRequest,
web, App, HttpResponse,
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};
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< span class = "kw" > use super< / span > ::< span class = "kw-2" > *< / span > ;
< span class = "kw" > use < / span > < span class = "kw" > crate< / span > ::extractors::{basic::BasicAuth, bearer::BearerAuth};
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< span class = "doccomment" > /// This is a test for https://github.com/actix/actix-extras/issues/10
< / span > < span class = "attribute" > #[actix_web::test]
< / span > < span class = "kw" > async fn < / span > test_middleware_panic() {
< span class = "kw" > let < / span > middleware = AuthenticationMiddleware {
service: Rc::new(into_service(|< span class = "kw" > _< / span > : ServiceRequest| < span class = "kw" > async move < / span > {
actix_web::rt::time::sleep(std::time::Duration::from_secs(< span class = "number" > 1< / span > )).< span class = "kw" > await< / span > ;
< span class = "prelude-val" > Err< / span > ::< ServiceResponse, < span class = "kw" > _< / span > > (error::ErrorBadRequest(< span class = "string" > " error" < / span > ))
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})),
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process_fn: Arc::new(|req, < span class = "kw" > _< / span > : BearerAuth| < span class = "kw" > async < / span > { < span class = "prelude-val" > Ok< / span > (req) }),
_extractor: PhantomData,
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};
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< span class = "kw" > let < / span > req = TestRequest::get()
.append_header((< span class = "string" > " Authorization" < / span > , < span class = "string" > " Bearer 1" < / span > ))
.to_srv_request();
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< span class = "kw" > let < / span > f = middleware.call(req).< span class = "kw" > await< / span > ;
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< span class = "kw" > let < / span > _res = futures_util::future::lazy(|cx| middleware.poll_ready(cx)).< span class = "kw" > await< / span > ;
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< span class = "macro" > assert!< / span > (f.is_err());
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}
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< span class = "doccomment" > /// This is a test for https://github.com/actix/actix-extras/issues/10
< / span > < span class = "attribute" > #[actix_web::test]
< / span > < span class = "kw" > async fn < / span > test_middleware_panic_several_orders() {
< span class = "kw" > let < / span > middleware = AuthenticationMiddleware {
service: Rc::new(into_service(|< span class = "kw" > _< / span > : ServiceRequest| < span class = "kw" > async move < / span > {
actix_web::rt::time::sleep(std::time::Duration::from_secs(< span class = "number" > 1< / span > )).< span class = "kw" > await< / span > ;
< span class = "prelude-val" > Err< / span > ::< ServiceResponse, < span class = "kw" > _< / span > > (error::ErrorBadRequest(< span class = "string" > " error" < / span > ))
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})),
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process_fn: Arc::new(|req, < span class = "kw" > _< / span > : BearerAuth| < span class = "kw" > async < / span > { < span class = "prelude-val" > Ok< / span > (req) }),
_extractor: PhantomData,
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};
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< span class = "kw" > let < / span > req = TestRequest::get()
.append_header((< span class = "string" > " Authorization" < / span > , < span class = "string" > " Bearer 1" < / span > ))
.to_srv_request();
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< span class = "kw" > let < / span > f1 = middleware.call(req).< span class = "kw" > await< / span > ;
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< span class = "kw" > let < / span > req = TestRequest::get()
.append_header((< span class = "string" > " Authorization" < / span > , < span class = "string" > " Bearer 1" < / span > ))
.to_srv_request();
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< span class = "kw" > let < / span > f2 = middleware.call(req).< span class = "kw" > await< / span > ;
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< span class = "kw" > let < / span > req = TestRequest::get()
.append_header((< span class = "string" > " Authorization" < / span > , < span class = "string" > " Bearer 1" < / span > ))
.to_srv_request();
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< span class = "kw" > let < / span > f3 = middleware.call(req).< span class = "kw" > await< / span > ;
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< span class = "kw" > let < / span > _res = futures_util::future::lazy(|cx| middleware.poll_ready(cx)).< span class = "kw" > await< / span > ;
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< span class = "macro" > assert!< / span > (f1.is_err());
< span class = "macro" > assert!< / span > (f2.is_err());
< span class = "macro" > assert!< / span > (f3.is_err());
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}
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< span class = "attribute" > #[actix_web::test]
< / span > < span class = "kw" > async fn < / span > test_middleware_opt_extractor() {
< span class = "kw" > let < / span > middleware = AuthenticationMiddleware {
service: Rc::new(into_service(|req: ServiceRequest| < span class = "kw" > async move < / span > {
< span class = "prelude-val" > Ok< / span > ::< ServiceResponse, < span class = "kw" > _< / span > > (req.into_response(HttpResponse::Ok().finish()))
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})),
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process_fn: Arc::new(|req, auth: < span class = "prelude-ty" > Option< / span > < BearerAuth> | {
< span class = "macro" > assert!< / span > (auth.is_none());
< span class = "kw" > async < / span > { < span class = "prelude-val" > Ok< / span > (req) }
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}),
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_extractor: PhantomData,
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};
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< span class = "kw" > let < / span > req = TestRequest::get()
.append_header((< span class = "string" > " Authorization996" < / span > , < span class = "string" > " Bearer 1" < / span > ))
.to_srv_request();
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< span class = "kw" > let < / span > f = middleware.call(req).< span class = "kw" > await< / span > ;
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< span class = "kw" > let < / span > _res = futures_util::future::lazy(|cx| middleware.poll_ready(cx)).< span class = "kw" > await< / span > ;
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< span class = "macro" > assert!< / span > (f.is_ok());
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}
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< span class = "attribute" > #[actix_web::test]
< / span > < span class = "kw" > async fn < / span > test_middleware_res_extractor() {
< span class = "kw" > let < / span > middleware = AuthenticationMiddleware {
service: Rc::new(into_service(|req: ServiceRequest| < span class = "kw" > async move < / span > {
< span class = "prelude-val" > Ok< / span > ::< ServiceResponse, < span class = "kw" > _< / span > > (req.into_response(HttpResponse::Ok().finish()))
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})),
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process_fn: Arc::new(
|req, auth: < span class = "prelude-ty" > Result< / span > < BearerAuth, < BearerAuth < span class = "kw" > as < / span > FromRequest> ::Error> | {
< span class = "macro" > assert!< / span > (auth.is_err());
< span class = "kw" > async < / span > { < span class = "prelude-val" > Ok< / span > (req) }
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},
),
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_extractor: PhantomData,
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};
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< span class = "kw" > let < / span > req = TestRequest::get()
.append_header((< span class = "string" > " Authorization" < / span > , < span class = "string" > " BearerLOL" < / span > ))
.to_srv_request();
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< span class = "kw" > let < / span > f = middleware.call(req).< span class = "kw" > await< / span > ;
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< span class = "kw" > let < / span > _res = futures_util::future::lazy(|cx| middleware.poll_ready(cx)).< span class = "kw" > await< / span > ;
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< span class = "macro" > assert!< / span > (f.is_ok());
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}
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< span class = "attribute" > #[actix_web::test]
< / span > < span class = "kw" > async fn < / span > test_middleware_works_with_app() {
< span class = "kw" > async fn < / span > validator(
req: ServiceRequest,
_credentials: BasicAuth,
) -> < span class = "prelude-ty" > Result< / span > < ServiceRequest, (actix_web::Error, ServiceRequest)> {
< span class = "prelude-val" > Err< / span > ((ErrorForbidden(< span class = "string" > " You are not welcome!" < / span > ), req))
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}
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< span class = "kw" > let < / span > middleware = HttpAuthentication::basic(validator);
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< span class = "kw" > let < / span > srv = actix_web::test::init_service(
App::new()
.wrap(middleware)
.route(< span class = "string" > " /" < / span > , web::get().to(HttpResponse::Ok)),
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)
.< span class = "kw" > await< / span > ;
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< span class = "kw" > let < / span > req = actix_web::test::TestRequest::with_uri(< span class = "string" > " /" < / span > )
.append_header((< span class = "string" > " Authorization" < / span > , < span class = "string" > " Basic DontCare" < / span > ))
.to_request();
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< span class = "kw" > let < / span > resp = srv.call(req).< span class = "kw" > await< / span > .unwrap();
< span class = "macro" > assert_eq!< / span > (resp.status(), StatusCode::UNAUTHORIZED);
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}
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< span class = "attribute" > #[actix_web::test]
< / span > < span class = "kw" > async fn < / span > test_middleware_works_with_scope() {
< span class = "kw" > async fn < / span > validator(
req: ServiceRequest,
_credentials: BasicAuth,
) -> < span class = "prelude-ty" > Result< / span > < ServiceRequest, (actix_web::Error, ServiceRequest)> {
< span class = "prelude-val" > Err< / span > ((ErrorForbidden(< span class = "string" > " You are not welcome!" < / span > ), req))
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}
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< span class = "kw" > let < / span > middleware = actix_web::middleware::Compat::new(HttpAuthentication::basic(validator));
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< span class = "kw" > let < / span > srv = actix_web::test::init_service(
App::new().service(
web::scope(< span class = "string" > " /" < / span > )
.wrap(middleware)
.route(< span class = "string" > " /" < / span > , web::get().to(HttpResponse::Ok)),
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),
)
.< span class = "kw" > await< / span > ;
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< span class = "kw" > let < / span > req = actix_web::test::TestRequest::with_uri(< span class = "string" > " /" < / span > )
.append_header((< span class = "string" > " Authorization" < / span > , < span class = "string" > " Basic DontCare" < / span > ))
.to_request();
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< span class = "kw" > let < / span > resp = srv.call(req).< span class = "kw" > await< / span > .unwrap();
< span class = "macro" > assert_eq!< / span > (resp.status(), StatusCode::UNAUTHORIZED);
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}
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}
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< / code > < / pre > < / div >
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< / section > < / div > < / main > < div id = "rustdoc-vars" data-root-path = "../../" data-current-crate = "actix_web_httpauth" data-themes = "ayu,dark,light" data-resource-suffix = "" data-rustdoc-version = "1.65.0-nightly (228710758 2022-09-10)" > < / div > < / body > < / html >
