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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="Sessions for Actix Web."><meta name="keywords" content="rust, rustlang, rust-lang, actix_session"><title>actix_session - 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="../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../ayu.css" disabled ><script id="default-settings"></script><script src="../storage.js"></script><script src="../crates.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../favicon.svg">
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<link rel="alternate icon" type="image/png" href="../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></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" role="button">☰</div><a href='../actix_session/index.html'><div class='logo-container rust-logo'><img src='../rust-logo.png' alt='logo'></div></a><p class="location">Crate actix_session</p><div class="block version"><p>Version 0.4.1</p></div><div class="sidebar-elems"><a id="all-types" href="all.html"><p>See all actix_session's items</p></a><div class="block items"><ul><li><a href="#structs">Structs</a></li><li><a href="#enums">Enums</a></li><li><a href="#traits">Traits</a></li></ul></div><p class="location"></p><div id="sidebar-vars" data-name="actix_session" data-ty="mod" data-relpath="../"></div></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../brush.svg" width="18" height="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" class="help-button">?</button>
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<a id="settings-menu" href="../settings.html"><img src="../wheel.svg" width="18" height="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="in-band">Crate <a class="mod" href="">actix_session</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_session/lib.rs.html#1-332" title="goto source code">[src]</a></span></h1><div class="docblock"><p>Sessions for Actix Web.</p>
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<p>Provides a general solution for session management. Session middleware could provide different
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implementations which could be accessed via general session API.</p>
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<p>This crate provides a general solution for session management and includes a cookie backend.
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Other backend implementations can be built to use persistent or key-value stores, for example.</p>
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<p>In general, some session middleware, such as a <a href="../actix_session/struct.CookieSession.html" title="CookieSession"><code>CookieSession</code></a> is initialized and applied.
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To access session data, the <a href="../actix_session/struct.Session.html" title="Session"><code>Session</code></a> extractor must be used. This extractor allows reading
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modifying session data.</p>
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<div class="example-wrap"><pre class="rust rust-example-rendered">
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<span class="kw">use</span> <span class="ident">actix_web</span>::{<span class="ident">web</span>, <span class="ident">App</span>, <span class="ident">HttpServer</span>, <span class="ident">HttpResponse</span>, <span class="ident">Error</span>};
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<span class="kw">use</span> <span class="ident">actix_session</span>::{<span class="ident">Session</span>, <span class="ident">CookieSession</span>};
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<span class="kw">fn</span> <span class="ident">index</span>(<span class="ident">session</span>: <span class="ident">Session</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>, <span class="ident">Error</span><span class="op">></span> {
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<span class="comment">// access session data</span>
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<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">count</span>) <span class="op">=</span> <span class="ident">session</span>.<span class="ident">get</span>::<span class="op"><</span><span class="ident">i32</span><span class="op">></span>(<span class="string">"counter"</span>)<span class="question-mark">?</span> {
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<span class="macro">println</span><span class="macro">!</span>(<span class="string">"SESSION value: {}"</span>, <span class="ident">count</span>);
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<span class="ident">session</span>.<span class="ident">set</span>(<span class="string">"counter"</span>, <span class="ident">count</span> <span class="op">+</span> <span class="number">1</span>)<span class="question-mark">?</span>;
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} <span class="kw">else</span> {
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<span class="ident">session</span>.<span class="ident">set</span>(<span class="string">"counter"</span>, <span class="number">1</span>)<span class="question-mark">?</span>;
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}
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<span class="prelude-val">Ok</span>(<span class="string">"Welcome!"</span>)
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}
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<span class="attribute">#[<span class="ident">actix_rt</span>::<span class="ident">main</span>]</span>
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<span class="kw">async</span> <span class="kw">fn</span> <span class="ident">main</span>() <span class="op">-</span><span class="op">></span> <span class="ident">std</span>::<span class="ident">io</span>::<span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> {
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<span class="ident">HttpServer</span>::<span class="ident">new</span>(
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<span class="op">|</span><span class="op">|</span> <span class="ident">App</span>::<span class="ident">new</span>()
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<span class="comment">// create cookie based session middleware</span>
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.<span class="ident">wrap</span>(<span class="ident">CookieSession</span>::<span class="ident">signed</span>(<span class="kw-2">&</span>[<span class="number">0</span>; <span class="number">32</span>]).<span class="ident">secure</span>(<span class="bool-val">false</span>))
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.<span class="ident">default_service</span>(<span class="ident">web</span>::<span class="ident">to</span>(<span class="op">|</span><span class="op">|</span> <span class="ident">HttpResponse</span>::<span class="prelude-val">Ok</span>())))
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.<span class="ident">bind</span>((<span class="string">"127.0.0.1"</span>, <span class="number">8080</span>))<span class="question-mark">?</span>
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.<span class="ident">run</span>()
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.<span class="kw">await</span>
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}</pre></div>
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</div><h2 id="structs" class="section-header"><a href="#structs">Structs</a></h2>
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<table><tr class="module-item"><td><a class="struct" href="struct.CookieSession.html" title="actix_session::CookieSession struct">CookieSession</a></td><td class="docblock-short"><p>Use cookies for session storage.</p>
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</td></tr><tr class="module-item"><td><a class="struct" href="struct.Session.html" title="actix_session::Session struct">Session</a></td><td class="docblock-short"><p>The high-level interface you use to modify session data.</p>
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</td></tr></table><h2 id="enums" class="section-header"><a href="#enums">Enums</a></h2>
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<table><tr class="module-item"><td><a class="enum" href="enum.SessionStatus.html" title="actix_session::SessionStatus enum">SessionStatus</a></td><td class="docblock-short"></td></tr></table><h2 id="traits" class="section-header"><a href="#traits">Traits</a></h2>
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<table><tr class="module-item"><td><a class="trait" href="trait.UserSession.html" title="actix_session::UserSession trait">UserSession</a></td><td class="docblock-short"><p>Extraction of a <a href="../actix_session/struct.Session.html" title="Session"><code>Session</code></a> object.</p>
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