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use std::{ future::{ready, Ready}, rc::Rc, }; use actix_web::{ dev::{self, Service, ServiceRequest, ServiceResponse, Transform}, web, Error, HttpResponse, }; use futures_util::future::LocalBoxFuture; pub struct Auth; impl<S: 'static, B> Transform<S, ServiceRequest> for Auth where S: Service<ServiceRequest, Response = ServiceResponse<B>, Error = Error>, S::Future: 'static, B: 'static, { type Response = ServiceResponse<B>; type Error = Error; type InitError = (); type Transform = AuthMiddleware<S>; type Future = Ready<Result<Self::Transform, Self::InitError>>; fn new_transform(&self, service: S) -> Self::Future { ready(Ok(AuthMiddleware { service: Rc::new(service), })) } } pub struct AuthMiddleware<S> { // This is special: We need this to avoid lifetime issues. service: Rc<S>, } impl<S, B> Service<ServiceRequest> for AuthMiddleware<S> where S: Service<ServiceRequest, Response = ServiceResponse<B>, Error = Error> + 'static, S::Future: 'static, B: 'static, { type Response = ServiceResponse<B>; type Error = Error; type Future = LocalBoxFuture<'static, Result<Self::Response, Self::Error>>; dev::forward_ready!(service); fn call(&self, mut req: ServiceRequest) -> Self::Future { let svc = self.service.clone(); let fut = async move { let token = req .headers() .get("Authorization") .and_then(|header| header.to_str().ok()) .map(|token| token.trim_start_matches("Bearer ")); match token { Some(_) => { let res = svc.call(req).await?; println!("response: {:?}", res.headers()); Ok(res) }, None => { let json = serde_json::json!({"code": 401, "message": "Unauthorized"}); let response = HttpResponse::Unauthorized() .content_type("application/json") .body(json.to_string()); Ok(ServiceResponse::new(req, response)) } } }; Box::pin(fut) } }
You can use this middleware example as a guide for writing your custom logger that can print the body it reads.
There are only successful examples and no failed examples. I need to return JSON immediately and not continue. What should I do
The text was updated successfully, but these errors were encountered:
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You can use this middleware example as a guide for writing your custom logger that can print the body it reads.
There are only successful examples and no failed examples. I need to return JSON immediately and not continue. What should I do
The text was updated successfully, but these errors were encountered: