rama_http::layer::forwarded

Struct SetForwardedHeaderLayer

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pub struct SetForwardedHeaderLayer<T = Forwarded> { /* private fields */ }
Expand description

Layer to write Forwarded information for this proxy, added to the end of the chain of forwarded information already known.

This layer can set any header as long as you have a ForwardHeader implementation for the header you want to set. You can pass it as the type to the layer when creating the layer using SetForwardedHeaderLayer::new.

The following headers are supported out of the box with each their own constructor:

The “by” property is set to rama by default. Use SetForwardedHeaderLayer::forward_by to overwrite this, typically with the actual IPv4/IPv6 address of your proxy.

Rama also has the following headers already implemented for you to use:

X-Real-Ip, X-Client-Ip, Client-Ip, CF-Connecting-Ip and True-Client-Ip.

There are no SetForwardedHeaderLayer constructors for these headers, but you can use the SetForwardedHeaderLayer::new constructor and pass the header type as a type parameter, alone or in a tuple with other headers.

§Example

This example shows how you could expose the real Client IP using the [X-Real-IP][crate::headers::XRealIp] header.

use rama_net::stream::SocketInfo;
use rama_http::Request;
use rama_core::service::service_fn;
use rama_http::{headers::forwarded::XRealIp, layer::forwarded::SetForwardedHeaderLayer};
use rama_core::{Context, Service, Layer};
use std::convert::Infallible;


async fn svc(_ctx: Context<State>, request: Request<Body>) -> Result<(), Infallible> {
    // ...
}

let service = SetForwardedHeaderLayer::<XRealIp>::new()
    .into_layer(service_fn(svc));

service.serve(ctx, req).await.unwrap();

Implementations§

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impl<T> SetForwardedHeaderLayer<T>

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pub fn forward_by(self, node_id: impl Into<NodeId>) -> Self

Set the given NodeId as the “by” property, identifying this proxy.

Default of None will be set to rama otherwise.

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pub fn set_forward_by(&mut self, node_id: impl Into<NodeId>) -> &mut Self

Set the given NodeId as the “by” property, identifying this proxy.

Default of None will be set to rama otherwise.

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impl<T> SetForwardedHeaderLayer<T>

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pub fn new() -> Self

Create a new SetForwardedHeaderLayer for the specified headers T.

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impl SetForwardedHeaderLayer

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pub fn forwarded() -> Self

Create a new SetForwardedHeaderLayer for the standard Forwarded header.

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impl SetForwardedHeaderLayer<Via>

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pub fn via() -> Self

Create a new SetForwardedHeaderLayer for the canonical Via header.

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impl SetForwardedHeaderLayer<XForwardedFor>

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pub fn x_forwarded_for() -> Self

Create a new SetForwardedHeaderLayer for the canonical [X-Forwarded-For] header.

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impl SetForwardedHeaderLayer<XForwardedHost>

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pub fn x_forwarded_host() -> Self

Create a new SetForwardedHeaderLayer for the canonical [X-Forwarded-Host] header.

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impl SetForwardedHeaderLayer<XForwardedProto>

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pub fn x_forwarded_proto() -> Self

Create a new SetForwardedHeaderLayer for the canonical [X-Forwarded-Proto] header.

Trait Implementations§

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impl<T: Clone> Clone for SetForwardedHeaderLayer<T>

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fn clone(&self) -> Self

Returns a duplicate 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<T: Debug> Debug for SetForwardedHeaderLayer<T>

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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 SetForwardedHeaderLayer

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl<H, S> Layer<S> for SetForwardedHeaderLayer<H>

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type Service = SetForwardedHeaderService<S, H>

The service produced by the layer.
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fn layer(&self, inner: S) -> Self::Service

Wrap the given service with the middleware, returning a new service.
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fn into_layer(self, inner: S) -> Self::Service

Same as layer but consuming self after the service was created. Read more

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