<!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="Source of the Rust file `actix-web-httpauth/src/headers/authorization/header.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>header.rs - source</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="alternate icon" type="image/png" href="../../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../../favicon.svg"><style type="text/css">#crate-search{background-image:url("../../../../down-arrow.svg");}</style></head><body class="rustdoc source"><!--[if lte IE 11]><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_web_httpauth/index.html'><div class='logo-container rust-logo'><img src='../../../../rust-logo.png' alt='logo'></div></a></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu" title="themes"><img width="18" height="18" alt="Pick another theme!" src="../../../../brush.svg"></button><div id="theme-choices" role="menu"></div></div><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" id="help-button" title="help">?</button><a id="settings-menu" href="../../../../settings.html" title="settings"><img width="18" height="18" alt="Change settings" src="../../../../wheel.svg"></a></div></form></nav><section id="main" class="content"><div class="example-wrap"><pre class="line-numbers"><span id="1"> 1</span>
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</pre><pre class="rust"><code><span class="kw">use</span> <span class="ident">std::fmt</span>;
<span class="kw">use</span> <span class="ident">actix_web::error::ParseError</span>;
<span class="kw">use</span> <span class="ident">actix_web::http::header</span>::{<span class="ident">Header</span>, <span class="ident">HeaderName</span>, <span class="ident">HeaderValue</span>, <span class="ident">IntoHeaderValue</span>, <span class="ident">AUTHORIZATION</span>};
<span class="kw">use</span> <span class="ident">actix_web::HttpMessage</span>;
<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::headers::authorization::scheme::Scheme</span>;
<span class="doccomment">/// `Authorization` header, defined in [RFC 7235](https://tools.ietf.org/html/rfc7235#section-4.2)</span>
<span class="doccomment">///</span>
<span class="doccomment">/// The "Authorization" header field allows a user agent to authenticate</span>
<span class="doccomment">/// itself with an origin server -- usually, but not necessarily, after</span>
<span class="doccomment">/// receiving a 401 (Unauthorized) response. Its value consists of</span>
<span class="doccomment">/// credentials containing the authentication information of the user</span>
<span class="doccomment">/// agent for the realm of the resource being requested.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// `Authorization` header is generic over [authentication</span>
<span class="doccomment">/// scheme](./trait.Scheme.html).</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Example</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```</span>
<span class="doccomment">/// # use actix_web::http::header::Header;</span>
<span class="doccomment">/// # use actix_web::{HttpRequest, Result};</span>
<span class="doccomment">/// # use actix_web_httpauth::headers::authorization::{Authorization, Basic};</span>
<span class="doccomment">/// fn handler(req: HttpRequest) -> Result<String> {</span>
<span class="doccomment">/// let auth = Authorization::<Basic>::parse(&req)?;</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Ok(format!("Hello, {}!", auth.as_ref().user_id()))</span>
<span class="doccomment">/// }</span>
<span class="doccomment">/// ```</span>
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Eq</span>, <span class="ident">PartialEq</span>, <span class="ident">Ord</span>, <span class="ident">PartialOrd</span>, <span class="ident">Hash</span>, <span class="ident">Debug</span>, <span class="ident">Default</span>, <span class="ident">Clone</span>)]</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Authorization</span><span class="op"><</span><span class="ident">S</span>: <span class="ident">Scheme</span><span class="op">></span>(<span class="ident">S</span>);
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="ident">Authorization</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>
<span class="kw">where</span>
<span class="ident">S</span>: <span class="ident">Scheme</span>,
{
<span class="doccomment">/// Consumes `Authorization` header and returns inner [`Scheme`]</span>
<span class="doccomment">/// implementation.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [`Scheme`]: ./trait.Scheme.html</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">into_scheme</span>(<span class="self">self</span>) -> <span class="ident">S</span> {
<span class="self">self</span>.<span class="number">0</span>
}
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="ident">From</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="kw">for</span> <span class="ident">Authorization</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>
<span class="kw">where</span>
<span class="ident">S</span>: <span class="ident">Scheme</span>,
{
<span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">scheme</span>: <span class="ident">S</span>) -> <span class="ident">Authorization</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
<span class="ident">Authorization</span>(<span class="ident">scheme</span>)
}
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="ident">AsRef</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="kw">for</span> <span class="ident">Authorization</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>
<span class="kw">where</span>
<span class="ident">S</span>: <span class="ident">Scheme</span>,
{
<span class="kw">fn</span> <span class="ident">as_ref</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span><span class="ident">S</span> {
<span class="kw-2">&</span><span class="self">self</span>.<span class="number">0</span>
}
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="ident">AsMut</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="kw">for</span> <span class="ident">Authorization</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>
<span class="kw">where</span>
<span class="ident">S</span>: <span class="ident">Scheme</span>,
{
<span class="kw">fn</span> <span class="ident">as_mut</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) -> <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">S</span> {
<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="number">0</span>
}
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span>: <span class="ident">Scheme</span><span class="op">></span> <span class="ident">Header</span> <span class="kw">for</span> <span class="ident">Authorization</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">fn</span> <span class="ident">name</span>() -> <span class="ident">HeaderName</span> {
<span class="ident">AUTHORIZATION</span>
}
<span class="kw">fn</span> <span class="ident">parse</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">HttpMessage</span><span class="op">></span>(<span class="ident">msg</span>: <span class="kw-2">&</span><span class="ident">T</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="self">Self</span>, <span class="ident">ParseError</span><span class="op">></span> {
<span class="kw">let</span> <span class="ident">header</span> <span class="op">=</span> <span class="ident">msg</span>.<span class="ident">headers</span>().<span class="ident">get</span>(<span class="ident">AUTHORIZATION</span>).<span class="ident">ok_or</span>(<span class="ident">ParseError::Header</span>)<span class="question-mark">?</span>;
<span class="kw">let</span> <span class="ident">scheme</span> <span class="op">=</span> <span class="ident">S::parse</span>(<span class="ident">header</span>).<span class="ident">map_err</span>(<span class="op">|</span><span class="kw">_</span><span class="op">|</span> <span class="ident">ParseError::Header</span>)<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(<span class="ident">Authorization</span>(<span class="ident">scheme</span>))
}
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span>: <span class="ident">Scheme</span><span class="op">></span> <span class="ident">IntoHeaderValue</span> <span class="kw">for</span> <span class="ident">Authorization</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
<span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="op"><</span><span class="ident">S</span> <span class="kw">as</span> <span class="ident">IntoHeaderValue</span><span class="op">></span><span class="ident">::Error</span>;
<span class="kw">fn</span> <span class="ident">try_into_value</span>(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">HeaderValue</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">></span> {
<span class="self">self</span>.<span class="number">0</span>.<span class="ident">try_into_value</span>()
}
}
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span>: <span class="ident">Scheme</span><span class="op">></span> <span class="ident">fmt::Display</span> <span class="kw">for</span> <span class="ident">Authorization</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
<span class="kw">fn</span> <span class="ident">fmt</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">f</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">fmt::Formatter</span><span class="op"><</span><span class="lifetime">'_</span><span class="op">></span>) -> <span class="ident">fmt::Result</span> {
<span class="ident">fmt::Display::fmt</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="number">0</span>, <span class="ident">f</span>)
}
}
</code></pre></div>
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