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</pre><pre class="rust"><code><span class="doccomment">//! Cross-Origin Resource Sharing (CORS) controls for Actix Web.</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! This middleware can be applied to both applications and resources. Once built, a</span>
<span class="doccomment">//! [`Cors`] builder can be used as an argument for Actix Web's `App::wrap()`,</span>
<span class="doccomment">//! `Scope::wrap()`, or `Resource::wrap()` methods.</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! This CORS middleware automatically handles `OPTIONS` preflight requests.</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! # Example</span>
<span class="doccomment">//! ```no_run</span>
<span class="doccomment">//! use actix_cors::Cors;</span>
<span class="doccomment">//! use actix_web::{get, http, web, App, HttpRequest, HttpResponse, HttpServer};</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! #[get("/index.html")]</span>
<span class="doccomment">//! async fn index(req: HttpRequest) -> &'static str {</span>
<span class="doccomment">//! "<p>Hello World!</p>"</span>
<span class="doccomment">//! }</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! #[actix_web::main]</span>
<span class="doccomment">//! async fn main() -> std::io::Result<()> {</span>
<span class="doccomment">//! HttpServer::new(|| {</span>
<span class="doccomment">//! let cors = Cors::default()</span>
<span class="doccomment">//! .allowed_origin("https://www.rust-lang.org/")</span>
<span class="doccomment">//! .allowed_origin_fn(|origin, _req_head| {</span>
<span class="doccomment">//! origin.as_bytes().ends_with(b".rust-lang.org")</span>
<span class="doccomment">//! })</span>
<span class="doccomment">//! .allowed_methods(vec!["GET", "POST"])</span>
<span class="doccomment">//! .allowed_headers(vec![http::header::AUTHORIZATION, http::header::ACCEPT])</span>
<span class="doccomment">//! .allowed_header(http::header::CONTENT_TYPE)</span>
<span class="doccomment">//! .max_age(3600);</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! App::new()</span>
<span class="doccomment">//! .wrap(cors)</span>
<span class="doccomment">//! .service(index)</span>
<span class="doccomment">//! })</span>
<span class="doccomment">//! .bind(("127.0.0.1", 8080))?</span>
<span class="doccomment">//! .run()</span>
<span class="doccomment">//! .await;</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! Ok(())</span>
<span class="doccomment">//! }</span>
<span class="doccomment">//! ```</span>
<span class="attribute">#![<span class="ident">forbid</span>(<span class="ident">unsafe_code</span>)]</span>
<span class="attribute">#![<span class="ident">deny</span>(<span class="ident">rust_2018_idioms</span>, <span class="ident">nonstandard_style</span>)]</span>
<span class="attribute">#![<span class="ident">warn</span>(<span class="ident">future_incompatible</span>, <span class="ident">missing_docs</span>, <span class="ident">missing_debug_implementations</span>)]</span>
<span class="attribute">#![<span class="ident">doc</span>(<span class="ident">html_logo_url</span> <span class="op">=</span> <span class="string">"https://actix.rs/img/logo.png"</span>)]</span>
<span class="attribute">#![<span class="ident">doc</span>(<span class="ident">html_favicon_url</span> <span class="op">=</span> <span class="string">"https://actix.rs/favicon.ico"</span>)]</span>
<span class="kw">mod</span> <span class="ident">all_or_some</span>;
<span class="kw">mod</span> <span class="ident">builder</span>;
<span class="kw">mod</span> <span class="ident">error</span>;
<span class="kw">mod</span> <span class="ident">inner</span>;
<span class="kw">mod</span> <span class="ident">middleware</span>;
<span class="kw">use</span> <span class="ident">all_or_some::AllOrSome</span>;
<span class="kw">pub</span> <span class="kw">use</span> <span class="ident">builder::Cors</span>;
<span class="kw">pub</span> <span class="kw">use</span> <span class="ident">error::CorsError</span>;
<span class="kw">use</span> <span class="ident">inner</span>::{<span class="ident">Inner</span>, <span class="ident">OriginFn</span>};
<span class="kw">pub</span> <span class="kw">use</span> <span class="ident">middleware::CorsMiddleware</span>;
</code></pre></div>
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