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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Cross-Origin Resource Sharing (CORS) controls for Actix Web."><meta name="keywords" content="rust, rustlang, rust-lang, actix_cors"><title>actix_cors - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../normalize.css"><link rel="stylesheet" href="../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../ayu.css" disabled><link rel="stylesheet" href="../dark.css" disabled><link rel="stylesheet" href="../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../storage.js"></script><script defer src="../crates.js"></script><script defer src="../main.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="icon" href="https://actix.rs/favicon.ico"></head><body class="rustdoc mod crate"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">&#9776;</button><a class="sidebar-logo" href="../actix_cors/index.html"><div class="logo-container"><img src="https://actix.rs/img/logo.png" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../actix_cors/index.html"><div class="logo-container">
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<img src="https://actix.rs/img/logo.png" alt="logo"></div></a><h2 class="location"><a href="#">Crate actix_cors</a></h2><div class="sidebar-elems"><div class="block"><ul><li class="version">Version 0.6.2</li><li><a id="all-types" href="all.html">All Items</a></li></ul></div><section><div class="block"><ul><li><a href="#structs">Structs</a></li><li><a href="#enums">Enums</a></li></ul></div></section></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../actix_cors/index.html">
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<img src="https://actix.rs/img/logo.png" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../wheel.svg"></a></div></div></form></nav></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Crate <a class="mod" href="#">actix_cors</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../src/actix_cors/lib.rs.html#1-60">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Cross-Origin Resource Sharing (CORS) controls for Actix Web.</p>
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<p>This middleware can be applied to both applications and resources. Once built, a
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<a href="struct.Cors.html" title="Cors"><code>Cors</code></a> builder can be used as an argument for Actix Web’s <code>App::wrap()</code>,
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<code>Scope::wrap()</code>, or <code>Resource::wrap()</code> methods.</p>
<p>This CORS middleware automatically handles <code>OPTIONS</code> preflight requests.</p>
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<h2 id="example"><a href="#example">Example</a></h2>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>actix_cors::Cors;
<span class="kw">use </span>actix_web::{get, http, web, App, HttpRequest, HttpResponse, HttpServer};
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<span class="attribute">#[get(<span class="string">&quot;/index.html&quot;</span>)]
</span><span class="kw">async fn </span>index(req: HttpRequest) -&gt; <span class="kw-2">&amp;</span><span class="lifetime">&#39;static </span>str {
<span class="string">&quot;&lt;p&gt;Hello World!&lt;/p&gt;&quot;
</span>}
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<span class="attribute">#[actix_web::main]
</span><span class="kw">async fn </span>main() -&gt; std::io::Result&lt;()&gt; {
HttpServer::new(|| {
<span class="kw">let </span>cors = Cors::default()
.allowed_origin(<span class="string">&quot;https://www.rust-lang.org/&quot;</span>)
.allowed_origin_fn(|origin, _req_head| {
origin.as_bytes().ends_with(<span class="string">b&quot;.rust-lang.org&quot;</span>)
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})
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.allowed_methods(<span class="macro">vec!</span>[<span class="string">&quot;GET&quot;</span>, <span class="string">&quot;POST&quot;</span>])
.allowed_headers(<span class="macro">vec!</span>[http::header::AUTHORIZATION, http::header::ACCEPT])
.allowed_header(http::header::CONTENT_TYPE)
.max_age(<span class="number">3600</span>);
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App::new()
.wrap(cors)
.service(index)
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})
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.bind((<span class="string">&quot;127.0.0.1&quot;</span>, <span class="number">8080</span>))<span class="question-mark">?
</span>.run()
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.<span class="kw">await</span>;
<span class="prelude-val">Ok</span>(())
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}</code></pre></div>
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</div></details><h2 id="structs" class="small-section-header"><a href="#structs">Structs</a></h2><div class="item-table"><div class="item-row"><div class="item-left module-item"><a class="struct" href="struct.Cors.html" title="actix_cors::Cors struct">Cors</a></div><div class="item-right docblock-short"><p>Builder for CORS middleware.</p>
</div></div></div><h2 id="enums" class="small-section-header"><a href="#enums">Enums</a></h2><div class="item-table"><div class="item-row"><div class="item-left module-item"><a class="enum" href="enum.CorsError.html" title="actix_cors::CorsError enum">CorsError</a></div><div class="item-right docblock-short"><p>Errors that can occur when processing CORS guarded requests.</p>
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