Struct tower_http::cors::Cors

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pub struct Cors<S> { /* private fields */ }

This is supported on crate feature cors only.

Expand description

Middleware which adds headers for CORS.

See the module docs for an example.

Implementations

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impl<S> Cors<S>

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pub fn new(inner: S) -> Self

Create a new Cors.

This creates a restrictive configuration. Use the builder methods to customize the behavior.

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pub fn permissive(inner: S) -> Self

A very permissive configuration suitable for development.

See CorsLayer::permissive for more details.

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pub fn get_ref(&self) -> &S

Gets a reference to the underlying service.

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pub fn get_mut(&mut self) -> &mut S

Gets a mutable reference to the underlying service.

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pub fn into_inner(self) -> S

Consumes self, returning the underlying service.

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pub fn layer() -> CorsLayer

Returns a new Layer that wraps services with a Cors middleware.

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pub fn allow_credentials(self, allow_credentials: bool) -> Self

Set the Access-Control-Allow-Credentials header.

See CorsLayer::allow_credentials for more details.

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pub fn allow_headers(self, headers: I) -> Self where
I: Into<AnyOr<Vec<HeaderName>>>,

Set the value of the Access-Control-Allow-Headers header.

See CorsLayer::allow_headers for more details.

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pub fn max_age(self, max_age: Duration) -> Self

Set the value of the Access-Control-Max-Age header.

See CorsLayer::max_age for more details.

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pub fn allow_methods<T>(self, methods: T) -> Self where
T: Into<AnyOr<Vec<Method>>>,

Set the value of the Access-Control-Allow-Methods header.

See CorsLayer::allow_methods for more details.

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pub fn allow_origin<T>(self, origin: T) -> Self where
T: Into<AnyOr<Origin>>,

Set the value of the Access-Control-Allow-Origin header.

See CorsLayer::allow_origin for more details.

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pub fn expose_headers(self, headers: I) -> Self where
I: Into<AnyOr<Vec<HeaderName>>>,

Set the value of the Access-Control-Expose-Headers header.

See CorsLayer::expose_headers for more details.

Trait Implementations

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impl<S: Clone> Clone for Cors<S>

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fn clone(&self) -> Cors<S>

Returns a copy of the value. Read more

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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl<S: Debug> Debug for Cors<S>

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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impl<S, ReqBody, ResBody> Service<Request<ReqBody>> for Cors<S> where
S: Service<Request<ReqBody>, Response = Response<ResBody>>,
ResBody: Default,

type Response = S::Response

Responses given by the service.

type Error = S::Error

Errors produced by the service.

type Future = ResponseFuture<S::Future, ResBody>

The future response value.

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fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>>

Returns Poll::Ready(Ok(())) when the service is able to process requests. Read more

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fn call(&mut self, req: Request<ReqBody>) -> Self::Future

Process the request and return the response asynchronously. Read more

Auto Trait Implementations

impl<S> !RefUnwindSafe for Cors<S>

impl<S> Send for Cors<S> where
S: Send,

impl<S> Sync for Cors<S> where
S: Sync,

impl<S> Unpin for Cors<S> where
S: Unpin,

impl<S> !UnwindSafe for Cors<S>

Blanket Implementations

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impl<T> Any for T where
T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<M, S, Target, Request> MakeService<Target, Request> for M where
M: Service<Target, Response = S>,
S: Service<Request>,

type Response = <S as Service<Request>>::Response

Responses given by the service

type Error = <S as Service<Request>>::Error

Errors produced by the service

type Service = S

The Service value created by this factory

type MakeError = <M as Service<Target>>::Error

Errors produced while building a service.

type Future = <M as Service<Target>>::Future

The future of the Service instance.

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fn poll_ready(
&mut self,
cx: &mut Context<'_>
) -> Poll<Result<(), <M as MakeService<Target, Request>>::MakeError>>

Returns Poll::Ready when the factory is able to create more services. Read more

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fn make_service(
&mut self,
target: Target
) -> <M as MakeService<Target, Request>>::Future

Create and return a new service value asynchronously.

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fn into_service(self) -> IntoService<Self, Request>

Consume this MakeService and convert it into a Service. Read more

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fn as_service(&mut self) -> AsService<'_, Self, Request>

Convert this MakeService into a Service without consuming the original MakeService. Read more

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impl<T> PolicyExt for T where
T: ?Sized,

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fn and<P, B, E>(self, other: P) -> And<T, P> where
T: Policy<B, E>,
P: Policy<B, E>,

This is supported on crate feature follow-redirect only.

Create a new Policy that returns Action::Follow only if self and other return Action::Follow. Read more

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fn or<P, B, E>(self, other: P) -> Or<T, P> where
T: Policy<B, E>,
P: Policy<B, E>,

This is supported on crate feature follow-redirect only.

Create a new Policy that returns Action::Follow if either self or other returns Action::Follow. Read more

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impl<T, Request> ServiceExt<Request> for T where
T: Service<Request> + ?Sized,

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fn ready(&mut self) -> Ready<'_, Self, Request>

Yields a mutable reference to the service when it is ready to accept a request.

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fn ready_and(&mut self) -> Ready<'_, Self, Request>

👎 Deprecated since 0.4.6:

please use the ServiceExt::ready method instead

Yields a mutable reference to the service when it is ready to accept a request.

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fn ready_oneshot(self) -> ReadyOneshot<Self, Request>

Yields the service when it is ready to accept a request.

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fn oneshot(self, req: Request) -> Oneshot<Self, Request>

Consume this Service, calling with the providing request once it is ready.

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fn call_all<S>(self, reqs: S) -> CallAll<Self, S> where
S: Stream<Item = Request>,
Self::Error: Into<Box<dyn Error + Send + Sync + 'static, Global>>,

Process all requests from the given Stream, and produce a Stream of their responses. Read more

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fn and_then<F>(self, f: F) -> AndThen<Self, F> where
F: Clone,

Executes a new future after this service’s future resolves. This does not alter the behaviour of the poll_ready method. Read more

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fn map_response<F, Response>(self, f: F) -> MapResponse<Self, F> where
F: FnOnce(Self::Response) -> Response + Clone,

Maps this service’s response value to a different value. This does not alter the behaviour of the poll_ready method. Read more

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fn map_err<F, Error>(self, f: F) -> MapErr<Self, F> where
F: FnOnce(Self::Error) -> Error + Clone,

Maps this service’s error value to a different value. This does not alter the behaviour of the poll_ready method. Read more

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fn map_result<F, Response, Error>(self, f: F) -> MapResult<Self, F> where
Error: From<Self::Error>,
F: FnOnce(Result<Self::Response, Self::Error>) -> Result<Response, Error> + Clone,

Maps this service’s result type (Result<Self::Response, Self::Error>) to a different value, regardless of whether the future succeeds or fails. Read more

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fn map_request<F, NewRequest>(self, f: F) -> MapRequest<Self, F> where
F: FnMut(NewRequest) -> Request,

Composes a function in front of the service. Read more

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fn then<F, Response, Error, Fut>(self, f: F) -> Then<Self, F> where
 Error: From<Self::Error>,
 F: FnOnce(Result<Self::Response, Self::Error>) -> Fut + Clone,
 Fut: Future<Output = Result<Response, Error>>,

Composes an asynchronous function after this service. Read more

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fn map_future<F, Fut, Response, Error>(self, f: F) -> MapFuture<Self, F> where
 F: FnMut(Self::Future) -> Fut,
 Error: From<Self::Error>,
 Fut: Future<Output = Result<Response, Error>>,

Composes a function that transforms futures produced by the service. Read more

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fn boxed(self) -> BoxService<Request, Self::Response, Self::Error> where
 Self: 'static + Send,
 Self::Future: 'static,
 Self::Future: Send,

Convert the service into a Service + Send trait object. Read more

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fn boxed_clone(self) -> BoxCloneService<Request, Self::Response, Self::Error> where
 Self: 'static + Clone + Send,
 Self::Future: 'static,
 Self::Future: Send,

Convert the service into a Service + Clone + Send trait object. Read more

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impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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fn clone_into(&self, target: &mut T)

🔬 This is a nightly-only experimental API. (toowned_clone_into)

Uses borrowed data to replace owned data, usually by cloning. Read more

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

Struct tower_http::cors::Cors

Implementations

impl<S> Cors<S>

pub fn new(inner: S) -> Self

pub fn permissive(inner: S) -> Self

pub fn get_ref(&self) -> &S

pub fn get_mut(&mut self) -> &mut S

pub fn into_inner(self) -> S

pub fn layer() -> CorsLayer

pub fn allow_credentials(self, allow_credentials: bool) -> Self

pub fn allow_headers<I>(self, headers: I) -> Self where I: Into<AnyOr<Vec<HeaderName>>>,

pub fn max_age(self, max_age: Duration) -> Self

pub fn allow_methods<T>(self, methods: T) -> Self where T: Into<AnyOr<Vec<Method>>>,

pub fn allow_origin<T>(self, origin: T) -> Self where T: Into<AnyOr<Origin>>,

pub fn expose_headers<I>(self, headers: I) -> Self where I: Into<AnyOr<Vec<HeaderName>>>,

Trait Implementations

impl<S: Clone> Clone for Cors<S>

fn clone(&self) -> Cors<S>

fn clone_from(&mut self, source: &Self)

impl<S: Debug> Debug for Cors<S>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

impl<S, ReqBody, ResBody> Service<Request<ReqBody>> for Cors<S> where S: Service<Request<ReqBody>, Response = Response<ResBody>>, ResBody: Default,

type Response = S::Response

type Error = S::Error

type Future = ResponseFuture<S::Future, ResBody>

fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>>

fn call(&mut self, req: Request<ReqBody>) -> Self::Future

Auto Trait Implementations

impl<S> !RefUnwindSafe for Cors<S>

impl<S> Send for Cors<S> where S: Send,

impl<S> Sync for Cors<S> where S: Sync,

impl<S> Unpin for Cors<S> where S: Unpin,

impl<S> !UnwindSafe for Cors<S>

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

fn from(t: T) -> T

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

fn in_current_span(self) -> Instrumented<Self>

impl<T, U> Into<U> for T where U: From<T>,

fn into(self) -> U

impl<M, S, Target, Request> MakeService<Target, Request> for M where M: Service<Target, Response = S>, S: Service<Request>,

type Response = <S as Service<Request>>::Response

type Error = <S as Service<Request>>::Error

type Service = S

type MakeError = <M as Service<Target>>::Error

type Future = <M as Service<Target>>::Future

fn poll_ready( &mut self, cx: &mut Context<'_>) -> Poll<Result<(), <M as MakeService<Target, Request>>::MakeError>>

fn make_service( &mut self, target: Target) -> <M as MakeService<Target, Request>>::Future

fn into_service(self) -> IntoService<Self, Request>

fn as_service(&mut self) -> AsService<'_, Self, Request>

impl<T> PolicyExt for T where T: ?Sized,

fn and<P, B, E>(self, other: P) -> And<T, P> where T: Policy<B, E>, P: Policy<B, E>,

fn or<P, B, E>(self, other: P) -> Or<T, P> where T: Policy<B, E>, P: Policy<B, E>,

impl<T, Request> ServiceExt<Request> for T where T: Service<Request> + ?Sized,

fn ready(&mut self) -> Ready<'_, Self, Request>

fn ready_and(&mut self) -> Ready<'_, Self, Request>

fn ready_oneshot(self) -> ReadyOneshot<Self, Request>

fn oneshot(self, req: Request) -> Oneshot<Self, Request>

fn call_all<S>(self, reqs: S) -> CallAll<Self, S> where S: Stream<Item = Request>, Self::Error: Into<Box<dyn Error + Send + Sync + 'static, Global>>,

fn and_then<F>(self, f: F) -> AndThen<Self, F> where F: Clone,

fn map_response<F, Response>(self, f: F) -> MapResponse<Self, F> where F: FnOnce(Self::Response) -> Response + Clone,

fn map_err<F, Error>(self, f: F) -> MapErr<Self, F> where F: FnOnce(Self::Error) -> Error + Clone,

fn map_result<F, Response, Error>(self, f: F) -> MapResult<Self, F> where Error: From<Self::Error>, F: FnOnce(Result<Self::Response, Self::Error>) -> Result<Response, Error> + Clone,

fn map_request<F, NewRequest>(self, f: F) -> MapRequest<Self, F> where F: FnMut(NewRequest) -> Request,

fn then<F, Response, Error, Fut>(self, f: F) -> Then<Self, F> where Error: From<Self::Error>, F: FnOnce(Result<Self::Response, Self::Error>) -> Fut + Clone, Fut: Future<Output = Result<Response, Error>>,

fn map_future<F, Fut, Response, Error>(self, f: F) -> MapFuture<Self, F> where F: FnMut(Self::Future) -> Fut, Error: From<Self::Error>, Fut: Future<Output = Result<Response, Error>>,

fn boxed(self) -> BoxService<Request, Self::Response, Self::Error> where Self: 'static + Send, Self::Future: 'static, Self::Future: Send,

fn boxed_clone(self) -> BoxCloneService<Request, Self::Response, Self::Error> where Self: 'static + Clone + Send, Self::Future: 'static, Self::Future: Send,

impl<T> ToOwned for T where T: Clone,

type Owned = T

fn to_owned(&self) -> T

fn clone_into(&self, target: &mut T)

impl<T, U> TryFrom<U> for T where U: Into<T>,

pub fn allow_headers<I>(self, headers: I) -> Self where
I: Into<AnyOr<Vec<HeaderName>>>,

pub fn allow_methods<T>(self, methods: T) -> Self where
T: Into<AnyOr<Vec<Method>>>,

pub fn allow_origin<T>(self, origin: T) -> Self where
T: Into<AnyOr<Origin>>,

pub fn expose_headers<I>(self, headers: I) -> Self where
I: Into<AnyOr<Vec<HeaderName>>>,

impl<S, ReqBody, ResBody> Service<Request<ReqBody>> for Cors<S> where
S: Service<Request<ReqBody>, Response = Response<ResBody>>,
ResBody: Default,

impl<S> Send for Cors<S> where
S: Send,

impl<S> Sync for Cors<S> where
S: Sync,

impl<S> Unpin for Cors<S> where
S: Unpin,

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<T, U> Into<U> for T where
U: From<T>,

impl<M, S, Target, Request> MakeService<Target, Request> for M where
M: Service<Target, Response = S>,
S: Service<Request>,

fn poll_ready(
&mut self,
cx: &mut Context<'_>
) -> Poll<Result<(), <M as MakeService<Target, Request>>::MakeError>>

fn make_service(
&mut self,
target: Target
) -> <M as MakeService<Target, Request>>::Future

impl<T> PolicyExt for T where
T: ?Sized,

fn and<P, B, E>(self, other: P) -> And<T, P> where
T: Policy<B, E>,
P: Policy<B, E>,

fn or<P, B, E>(self, other: P) -> Or<T, P> where
T: Policy<B, E>,
P: Policy<B, E>,

impl<T, Request> ServiceExt<Request> for T where
T: Service<Request> + ?Sized,

fn call_all<S>(self, reqs: S) -> CallAll<Self, S> where
S: Stream<Item = Request>,
Self::Error: Into<Box<dyn Error + Send + Sync + 'static, Global>>,

fn and_then<F>(self, f: F) -> AndThen<Self, F> where
F: Clone,

fn map_response<F, Response>(self, f: F) -> MapResponse<Self, F> where
F: FnOnce(Self::Response) -> Response + Clone,

fn map_err<F, Error>(self, f: F) -> MapErr<Self, F> where
F: FnOnce(Self::Error) -> Error + Clone,

fn map_result<F, Response, Error>(self, f: F) -> MapResult<Self, F> where
Error: From<Self::Error>,
F: FnOnce(Result<Self::Response, Self::Error>) -> Result<Response, Error> + Clone,

fn map_request<F, NewRequest>(self, f: F) -> MapRequest<Self, F> where
F: FnMut(NewRequest) -> Request,

fn then<F, Response, Error, Fut>(self, f: F) -> Then<Self, F> where
Error: From<Self::Error>,
F: FnOnce(Result<Self::Response, Self::Error>) -> Fut + Clone,
Fut: Future<Output = Result<Response, Error>>,

fn map_future<F, Fut, Response, Error>(self, f: F) -> MapFuture<Self, F> where
F: FnMut(Self::Future) -> Fut,
Error: From<Self::Error>,
Fut: Future<Output = Result<Response, Error>>,

fn boxed(self) -> BoxService<Request, Self::Response, Self::Error> where
Self: 'static + Send,
Self::Future: 'static,
Self::Future: Send,

fn boxed_clone(self) -> BoxCloneService<Request, Self::Response, Self::Error> where
Self: 'static + Clone + Send,
Self::Future: 'static,
Self::Future: Send,

impl<T> ToOwned for T where
T: Clone,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,