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update cors doc string

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This commit is contained in:
Nikolay Kim 2018-04-09 21:39:32 -07:00
parent 2881859400
commit 23eea54776
1 changed files with 14 additions and 16 deletions
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30
src/middleware/cors.rs
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@ -10,8 +10,8 @@
//! 3. Call [finish](struct.Cors.html#method.finish) to retrieve the constructed backend.
//!
//! Cors middleware could be used as parameter for `App::middleware()` or
//! `ResourceHandler::middleware()` methods. But you have to use `Cors::register()` method to
//! support *preflight* OPTIONS request.
//! `ResourceHandler::middleware()` methods. But you have to use
//! `Cors::for_app()` method to support *preflight* OPTIONS request.
//!
//!
//! # Example
@ -19,7 +19,7 @@
//! ```rust
//! # extern crate actix_web;
//! use actix_web::{http, App, HttpRequest, HttpResponse};
//! use actix_web::middleware::cors;
//! use actix_web::middleware::cors::Cors;
//!
//! fn index(mut req: HttpRequest) -> &'static str {
//! "Hello world"
@ -27,19 +27,17 @@
//!
//! fn main() {
//! let app = App::new()
//! .resource("/index.html", |r| {
//! cors::Cors::build() // <- Construct CORS middleware
//! .allowed_origin("https://www.rust-lang.org/")
//! .allowed_methods(vec!["GET", "POST"])
//! .allowed_headers(vec![http::header::AUTHORIZATION, http::header::ACCEPT])
//! .allowed_header(http::header::CONTENT_TYPE)
//! .max_age(3600)
//! .finish()
//! .register(r); // <- Register CORS middleware
//! r.method(http::Method::GET).f(|_| HttpResponse::Ok());
//! r.method(http::Method::HEAD).f(|_| HttpResponse::MethodNotAllowed());
//! })
//! .finish();
//! .configure(|app| Cors::for_app(app) // <- Construct CORS middleware builder
//! .allowed_origin("https://www.rust-lang.org/")
//! .allowed_methods(vec!["GET", "POST"])
//! .allowed_headers(vec![http::header::AUTHORIZATION, http::header::ACCEPT])
//! .allowed_header(http::header::CONTENT_TYPE)
//! .max_age(3600)
//! .resource("/index.html", |r| {
//! r.method(http::Method::GET).f(|_| HttpResponse::Ok());
//! r.method(http::Method::HEAD).f(|_| HttpResponse::MethodNotAllowed());
//! })
//! .register());
//! }
//! ```
//! In this example custom *CORS* middleware get registered for "/index.html" endpoint.