# IdentityService in actix_identity - Rust
Request identity middleware
Keywords: rust, rustlang, rust-lang, IdentityService

# Struct actix_identity::IdentityService

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    pub struct IdentityService<T> { /* private fields */ }

Expand description

Request identity middleware

    use actix_web::App;
    use actix_identity::{CookieIdentityPolicy, IdentityService};

    // create cookie identity backend
    let policy = CookieIdentityPolicy::new(&[0; 32])
               .name("auth-cookie")
               .secure(false);

    let app = App::new()
        // wrap policy into identity middleware
        .wrap(IdentityService::new(policy));

## Implementations

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### impl<T> IdentityService<T>

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#### pub fn new(backend: T) -> Self

Create new identity service with specified backend.

## Trait Implementations

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### impl<S, T, B> Transform<S, ServiceRequest> for IdentityService<T> where
S: Service<ServiceRequest, Response = ServiceResponse<B>, Error = Error> + 'static,
S::Future: 'static,
T: IdentityPolicy,
B: MessageBody + 'static,

#### type Response = ServiceResponse<EitherBody<B>>

Responses produced by the service.

#### type Error = Error

Errors produced by the service.

#### type InitError = ()

Errors produced while building a transform service.

#### type Transform = IdentityServiceMiddleware<S, T>

The `TransformService` value created by this factory

#### type Future = Ready<Result<Self::Transform, Self::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

## Auto Trait Implementations

### impl<T> RefUnwindSafe for IdentityService<T> where
T: RefUnwindSafe,

### impl<T> !Send for IdentityService<T>

### impl<T> !Sync for IdentityService<T>

### impl<T> Unpin for IdentityService<T>

### impl<T> UnwindSafe for IdentityService<T> where
T: RefUnwindSafe,

## 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<U> 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<T> Same<T> for T

#### type Output = T

Should always be `Self`

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### impl<T, U> TryFrom<U> 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<U>>::Error>

Performs the conversion.

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

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

The type returned in the event of a conversion error.

const: unstable · source

#### fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

### impl<V, T> VZip<V> for T where
V: MultiLane<T>,

#### 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