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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="API documentation for the Rust `identity` mod in crate `actix_web`."><meta name="keywords" content="rust, rustlang, rust-lang, identity"><title>actix_web::middleware::identity - Rust</title><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../dark.css"><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script src="../../../storage.js"></script></head><body class="rustdoc mod"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div><p class='location'>Module identity</p><div class="sidebar-elems"><div class="block items"><ul><li><a href="#structs">Structs</a></li><li><a href="#traits">Traits</a></li></ul></div><p class='location'><a href='../../index.html'>actix_web</a>::<wbr><a href='../index.html'>middleware</a></p><script>window.sidebarCurrent = {name: 'identity', ty: 'mod', relpath: '../'};</script><script defer src="../sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../../../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><input class="search-input" name="search" autocomplete="off" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><a id="settings-menu" href="../../../settings.html"><img src="../../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><span class='in-band'>Module <a href='../../index.html'>actix_web</a>::<wbr><a href='../index.html'>middleware</a>::<wbr><a class="mod" href=''>identity</a></span><span class='out-of-band'><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>−</span>]</a></span><a class='srclink' href='../../../src/actix_web/middleware/identity.rs.html#1-387' title='goto source code'>[src]</a></span></h1><div class='docblock'><p>Request identity service for Actix applications.</p>
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<p><a href="struct.IdentityService.html"><strong>IdentityService</strong></a> middleware can be
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used with different policies types to store identity information.</p>
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<p>By default, only cookie identity policy is implemented. Other backend
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implementations can be added separately.</p>
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<p><a href="struct.CookieIdentityPolicy.html"><strong>CookieIdentityPolicy</strong></a>
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uses cookies as identity storage.</p>
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<p>To access current request identity
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<a href="trait.RequestIdentity.html"><strong>RequestIdentity</strong></a> should be used.
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<em>HttpRequest</em> implements <em>RequestIdentity</em> trait.</p>
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<pre class="rust rust-example-rendered">
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<span class="kw">use</span> <span class="ident">actix_web</span>::<span class="ident">middleware</span>::<span class="ident">identity</span>::<span class="ident">RequestIdentity</span>;
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<span class="kw">use</span> <span class="ident">actix_web</span>::<span class="ident">middleware</span>::<span class="ident">identity</span>::{<span class="ident">CookieIdentityPolicy</span>, <span class="ident">IdentityService</span>};
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<span class="kw">use</span> <span class="ident">actix_web</span>::<span class="kw-2">*</span>;
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<span class="kw">fn</span> <span class="ident">index</span>(<span class="ident">req</span>: <span class="ident">HttpRequest</span>) <span class="op">-></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">String</span><span class="op">></span> {
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<span class="comment">// access request identity</span>
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<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">id</span>) <span class="op">=</span> <span class="ident">req</span>.<span class="ident">identity</span>() {
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<span class="prelude-val">Ok</span>(<span class="macro">format</span><span class="macro">!</span>(<span class="string">"Welcome! {}"</span>, <span class="ident">id</span>))
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} <span class="kw">else</span> {
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<span class="prelude-val">Ok</span>(<span class="string">"Welcome Anonymous!"</span>.<span class="ident">to_owned</span>())
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}
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}
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<span class="kw">fn</span> <span class="ident">login</span>(<span class="kw-2">mut</span> <span class="ident">req</span>: <span class="ident">HttpRequest</span>) <span class="op">-></span> <span class="ident">HttpResponse</span> {
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<span class="ident">req</span>.<span class="ident">remember</span>(<span class="string">"User1"</span>.<span class="ident">to_owned</span>()); <span class="comment">// <- remember identity</span>
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<span class="ident">HttpResponse</span>::<span class="prelude-val">Ok</span>().<span class="ident">finish</span>()
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}
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<span class="kw">fn</span> <span class="ident">logout</span>(<span class="kw-2">mut</span> <span class="ident">req</span>: <span class="ident">HttpRequest</span>) <span class="op">-></span> <span class="ident">HttpResponse</span> {
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<span class="ident">req</span>.<span class="ident">forget</span>(); <span class="comment">// <- remove identity</span>
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<span class="ident">HttpResponse</span>::<span class="prelude-val">Ok</span>().<span class="ident">finish</span>()
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}
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<span class="kw">fn</span> <span class="ident">main</span>() {
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<span class="kw">let</span> <span class="ident">app</span> <span class="op">=</span> <span class="ident">App</span>::<span class="ident">new</span>().<span class="ident">middleware</span>(<span class="ident">IdentityService</span>::<span class="ident">new</span>(
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<span class="comment">// <- create identity middleware</span>
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<span class="ident">CookieIdentityPolicy</span>::<span class="ident">new</span>(<span class="kw-2">&</span>[<span class="number">0</span>; <span class="number">32</span>]) <span class="comment">// <- create cookie session backend</span>
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.<span class="ident">name</span>(<span class="string">"auth-cookie"</span>)
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.<span class="ident">secure</span>(<span class="bool-val">false</span>),
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));
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}</pre>
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</div><h2 id='structs' class='section-header'><a href="#structs">Structs</a></h2>
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<table>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.CookieIdentityPolicy.html"
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title='struct actix_web::middleware::identity::CookieIdentityPolicy'>CookieIdentityPolicy</a></td>
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<td class='docblock-short'>
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<p>Use cookies for request identity storage.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.IdentityService.html"
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title='struct actix_web::middleware::identity::IdentityService'>IdentityService</a></td>
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<td class='docblock-short'>
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<p>Request identity middleware</p>
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</td>
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</tr></table><h2 id='traits' class='section-header'><a href="#traits">Traits</a></h2>
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<table>
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<tr class=' module-item'>
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<td><a class="trait" href="trait.Identity.html"
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title='trait actix_web::middleware::identity::Identity'>Identity</a></td>
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<td class='docblock-short'>
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<p>An identity</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="trait" href="trait.IdentityPolicy.html"
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title='trait actix_web::middleware::identity::IdentityPolicy'>IdentityPolicy</a></td>
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<td class='docblock-short'>
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<p>Identity policy definition.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="trait" href="trait.RequestIdentity.html"
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title='trait actix_web::middleware::identity::RequestIdentity'>RequestIdentity</a></td>
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<td class='docblock-short'>
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<p>The helper trait to obtain your identity from a request.</p>
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</td>
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