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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="Identity policy."><meta name="keywords" content="rust, rustlang, rust-lang, IdentityPolicy"><title>IdentityPolicy in actix_identity - 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" type="text/css" href="../normalize.css"><link rel="stylesheet" type="text/css" href="../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../dark.css" disabled><link rel="stylesheet" type="text/css" href="../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../storage.js"></script><script src="../crates.js"></script><script defer src="../main.js"></script>
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</a><h2 class="location"><a href="#">IdentityPolicy</a></h2><div class="sidebar-elems"><section><div class="block"><h3 class="sidebar-title"><a href="#associated-types">Associated Types</a></h3><ul><li><a href="#associatedtype.Future">Future</a></li><li><a href="#associatedtype.ResponseFuture">ResponseFuture</a></li></ul></div><div class="block"><h3 class="sidebar-title"><a href="#required-methods">Required Methods</a></h3><ul><li><a href="#tymethod.from_request">from_request</a></li><li><a href="#tymethod.to_response">to_response</a></li></ul></div><div class="block"><h3 class="sidebar-title"><a href="#implementors">Implementors</a></h3></div></section><h2 class="location"><a href="index.html">In actix_identity</a></h2><div id="sidebar-vars" data-name="IdentityPolicy" data-ty="trait" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../actix_identity/index.html"><img class="rust-logo" src="../rust-logo.svg" alt="logo"></a><nav class="sub"><div class="theme-picker hidden"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu" title="themes"><img width="22" height="22" alt="Pick another theme!" src="../brush.svg"></button><div id="theme-choices" role="menu"></div></div><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"><button type="button" id="help-button" title="help">?</button><a id="settings-menu" href="../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../wheel.svg"></a></div></form></nav></div><section id="main-content" class="content"><div class="main-heading">
<h1 class="fqn"><span class="in-band">Trait <a href="index.html">actix_identity</a>::<wbr><a class="trait" href="#">IdentityPolicy</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_identity/lib.rs.html#71-89">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust trait"><code>pub trait IdentityPolicy: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + 'static {
type <a href="#associatedtype.Future" class="associatedtype">Future</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&lt;Output = Result&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>&gt;, Error&gt;&gt;;
type <a href="#associatedtype.ResponseFuture" class="associatedtype">ResponseFuture</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&lt;Output = Result&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, Error&gt;&gt;;
fn <a href="#tymethod.from_request" class="fnname">from_request</a>(&amp;self, req: &amp;mut ServiceRequest) -&gt; Self::<a class="associatedtype" href="trait.IdentityPolicy.html#associatedtype.Future" title="type actix_identity::IdentityPolicy::Future">Future</a>;
<div class="item-spacer"></div> fn <a href="#tymethod.to_response" class="fnname">to_response</a>&lt;B&gt;(<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&amp;self, <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;identity: <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>&gt;, <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;changed: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>, <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;response: &amp;mut ServiceResponse&lt;B&gt;<br>&nbsp;&nbsp;&nbsp;&nbsp;) -&gt; Self::<a class="associatedtype" href="trait.IdentityPolicy.html#associatedtype.ResponseFuture" title="type actix_identity::IdentityPolicy::ResponseFuture">ResponseFuture</a>;
}</code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Identity policy.</p>
</div></details><h2 id="associated-types" class="small-section-header">Associated Types<a href="#associated-types" class="anchor"></a></h2><div class="methods"><details class="rustdoc-toggle" open><summary><div id="associatedtype.Future" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/actix_identity/lib.rs.html#73">source</a></div><h4 class="code-header">type <a href="#associatedtype.Future" class="associatedtype">Future</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&lt;Output = Result&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>&gt;, Error&gt;&gt;</h4></div></summary><div class="docblock"><p>The return type of the middleware</p>
</div></details><details class="rustdoc-toggle" open><summary><div id="associatedtype.ResponseFuture" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/actix_identity/lib.rs.html#76">source</a></div><h4 class="code-header">type <a href="#associatedtype.ResponseFuture" class="associatedtype">ResponseFuture</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&lt;Output = Result&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, Error&gt;&gt;</h4></div></summary><div class="docblock"><p>The return type of the middleware</p>
</div></details></div><h2 id="required-methods" class="small-section-header">Required methods<a href="#required-methods" class="anchor"></a></h2><div class="methods"><details class="rustdoc-toggle" open><summary><div id="tymethod.from_request" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/actix_identity/lib.rs.html#80">source</a></div><h4 class="code-header">fn <a href="#tymethod.from_request" class="fnname">from_request</a>(&amp;self, req: &amp;mut ServiceRequest) -&gt; Self::<a class="associatedtype" href="trait.IdentityPolicy.html#associatedtype.Future" title="type actix_identity::IdentityPolicy::Future">Future</a></h4></div></summary><div class="docblock"><p>Parse the session from request and load data from a service identity.</p>
</div></details><details class="rustdoc-toggle" open><summary><div id="tymethod.to_response" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/actix_identity/lib.rs.html#83-88">source</a></div><h4 class="code-header">fn <a href="#tymethod.to_response" class="fnname">to_response</a>&lt;B&gt;(<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;self, <br>&nbsp;&nbsp;&nbsp;&nbsp;identity: <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>&gt;, <br>&nbsp;&nbsp;&nbsp;&nbsp;changed: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>, <br>&nbsp;&nbsp;&nbsp;&nbsp;response: &amp;mut ServiceResponse&lt;B&gt;<br>) -&gt; Self::<a class="associatedtype" href="trait.IdentityPolicy.html#associatedtype.ResponseFuture" title="type actix_identity::IdentityPolicy::ResponseFuture">ResponseFuture</a></h4></div></summary><div class="docblock"><p>Write changes to response</p>
</div></details></div><h2 id="implementors" class="small-section-header">Implementors<a href="#implementors" class="anchor"></a></h2><div class="item-list" id="implementors-list"><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-IdentityPolicy" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../src/actix_identity/cookie.rs.html#303-367">source</a></span><a href="#impl-IdentityPolicy" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="trait.IdentityPolicy.html" title="trait actix_identity::IdentityPolicy">IdentityPolicy</a> for <a class="struct" href="struct.CookieIdentityPolicy.html" title="struct actix_identity::CookieIdentityPolicy">CookieIdentityPolicy</a></h3></section></summary><div class="impl-items"><section id="associatedtype.Future-1" class="type trait-impl has-srclink"><a href="#associatedtype.Future-1" class="anchor"></a><h4 class="code-header">type <a href="#associatedtype.Future" class="associatedtype">Future</a> = Ready&lt;Result&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>&gt;, Error&gt;&gt;</h4></section><section id="associatedtype.ResponseFuture-1" class="type trait-impl has-srclink"><a href="#associatedtype.ResponseFuture-1" class="anchor"></a><h4 class="code-header">type <a href="#associatedtype.ResponseFuture" class="associatedtype">ResponseFuture</a> = Ready&lt;Result&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, Error&gt;&gt;</h4></section></div></details></div><script type="text/javascript" src="../implementors/actix_identity/trait.IdentityPolicy.js" async></script></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../" data-current-crate="actix_identity" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.61.0-nightly (63b8f01bb 2022-03-24)" ></div>
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