pub struct NormalizePath(/* private fields */);
Expand description

Middleware for normalizing a request’s path so that routes can be matched more flexibly.

Normalization Steps

  • Merges consecutive slashes into one. (For example, /path//one always becomes /path/one.)
  • Appends a trailing slash if one is not present, removes one if present, or keeps trailing slashes as-is, depending on which TrailingSlash variant is supplied to new.

Default Behavior

The default constructor chooses to strip trailing slashes from the end of paths with them (TrailingSlash::Trim). The implication is that route definitions should be defined without trailing slashes or else they will be inaccessible (or vice versa when using the TrailingSlash::Always behavior), as shown in the example tests below.

Examples

use actix_web::{web, middleware, App};

let app = App::new()
    .wrap(middleware::NormalizePath::trim())
    .route("/test", web::get().to(|| async { "test" }))
    .route("/unmatchable/", web::get().to(|| async { "unmatchable" }));

use actix_web::http::StatusCode;
use actix_web::test::{call_service, init_service, TestRequest};

let app = init_service(app).await;

let req = TestRequest::with_uri("/test").to_request();
let res = call_service(&app, req).await;
assert_eq!(res.status(), StatusCode::OK);

let req = TestRequest::with_uri("/test/").to_request();
let res = call_service(&app, req).await;
assert_eq!(res.status(), StatusCode::OK);

let req = TestRequest::with_uri("/unmatchable").to_request();
let res = call_service(&app, req).await;
assert_eq!(res.status(), StatusCode::NOT_FOUND);

let req = TestRequest::with_uri("/unmatchable/").to_request();
let res = call_service(&app, req).await;
assert_eq!(res.status(), StatusCode::NOT_FOUND);

Implementations§

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impl NormalizePath

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pub fn new(trailing_slash_style: TrailingSlash) -> Self

Create new NormalizePath middleware with the specified trailing slash style.

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pub fn trim() -> Self

Constructs a new NormalizePath middleware with trim semantics.

Use this instead of NormalizePath::default() to avoid deprecation warning.

Trait Implementations§

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impl Clone for NormalizePath

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fn clone(&self) -> NormalizePath

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 Debug for NormalizePath

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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 Default for NormalizePath

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl<S, B> Transform<S, ServiceRequest> for NormalizePathwhere S: Service<ServiceRequest, Response = ServiceResponse<B>, Error = Error>, S::Future: 'static,

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type Response = ServiceResponse<B>

Responses produced by the service.
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type Error = Error

Errors produced by the service.
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type Transform = NormalizePathNormalization<S>

The TransformService value created by this factory
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type InitError = ()

Errors produced while building a transform service.
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type Future = Ready<Result<<NormalizePath as Transform<S, ServiceRequest>>::Transform, <NormalizePath as Transform<S, ServiceRequest>>::InitError>>

The future response value.
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fn new_transform(&self, service: S) -> Self::Future

Creates and returns a new Transform component, asynchronously
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impl Copy for NormalizePath

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impl<T> Any for Twhere 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 Twhere T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere T: ?Sized,

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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

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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<U> for Twhere U: From<T>,

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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<T> Same<T> for T

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type Output = T

Should always be Self
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impl<T> ToOwned for Twhere T: Clone,

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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)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for Twhere V: MultiLane<T>,

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fn vzip(self) -> V

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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