https://github.com/realaravinth/actix-optional-middleware

Conditionally load actix-web middleware
https://github.com/realaravinth/actix-optional-middleware

actix-web actix-web-middleware

Last synced: 3 months ago
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Conditionally load actix-web middleware

• Host: GitHub
• URL: https://github.com/realaravinth/actix-optional-middleware
• Owner: realaravinth
• License: apache-2.0
• Created: 2021-07-10T12:27:30.000Z (almost 4 years ago)
• Default Branch: master
• Last Pushed: 2021-12-17T06:12:23.000Z (over 3 years ago)
• Last Synced: 2025-04-13T16:16:06.443Z (3 months ago)
• Topics: actix-web, actix-web-middleware
• Language: Rust
• Homepage: https://realaravinth.github.io/actix-optional-middleware/actix_optional_middleware/
• Size: 2.04 MB
• Stars: 3
• Watchers: 1
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE-APACHE

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README

        


  
Actix Optional Middleware

  


    Conditionally load middleware

  


[![Documentation](https://img.shields.io/badge/docs-master-blue)](https://realaravinth.github.io/actix-optional-middleware/actix_optional_middleware/)

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[![codecov](https://codecov.io/gh/realaravinth/actix-optional-middleware/branch/master/graph/badge.svg?token=TYZXLOOHYQ)](https://codecov.io/gh/realaravinth/actix-optional-middleware)



This library supports conditional loading of an Actix Web middleware.

When conditions are not met, a dummy middleware that simply forwards

requests are substituted.

## Usage

Add this to your `Cargo.toml`:

```toml

actix-optional-middleware = { version = "0.1", git = "https://github.com/realaravinth/actix-optional-middleware" }

```

## Example

```rust

use std::rc::Rc;

use actix_optional_middleware::{Group, Dummy};

use actix_web::dev::{AnyBody, Service, ServiceRequest,

ServiceResponse, Transform};

use actix_web::middleware::DefaultHeaders;

use actix_web::{web, App, Error, HttpServer, Responder, get};

#[get("/test", wrap = "get_group_middleware()")]

async fn h1() -> impl Responder {

    "Handler 1"

}

// flip this value to see dummy in action

const ACTIVE: bool = true;

fn get_group_middleware() -> Group

where

    S: Service, Error = Error>

		+ 'static,

{

    if ACTIVE {

        Group::Real(Rc::new(DefaultHeaders::new()

               .header("Permissions-Policy", "interest-cohort=()"

        )))

    } else {

        Group::default()

    }

}

```