<!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/extractors/errors.rs`."><title>errors.rs - source</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-46f98efaafac5295.ttf.woff2,FiraSans-Regular-018c141bf0843ffd.woff2,FiraSans-Medium-8f9a781e4970d388.woff2,SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2,SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../../../static.files/rustdoc-dd39b87e5fcfba68.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="actix_web_httpauth" data-themes="" data-resource-suffix="" data-rustdoc-version="1.81.0-nightly (f21554f7f 2024-06-08)" data-channel="nightly" data-search-js="search-9d4fa2dd5e5a7e17.js" data-settings-js="settings-4313503d2e1961c2.js" ><script src="../../../static.files/storage-118b08c4c78b968e.js"></script><script defer src="../../../static.files/src-script-e66d777a5a92e9b2.js"></script><script defer src="../../../src-files.js"></script><script defer src="../../../static.files/main-20a3ad099b048cf2.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-df360f571f6edeae.css"></noscript><link rel="icon" href="https://actix.rs/favicon.ico"></head><body class="rustdoc src"><!--[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="src-sidebar-title"><h2>Files</h2></div></nav><div class="sidebar-resizer"></div><main><rustdoc-search></rustdoc-search><section id="main-content" class="content"><div class="example-wrap"><div data-nosnippet><pre class="src-line-numbers"><a href="#1" id="1">1</a>
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</pre></div><pre class="rust"><code><span class="kw">use </span>std::{error::Error, fmt};

<span class="kw">use </span>actix_web::{http::StatusCode, HttpResponse, ResponseError};

<span class="kw">use </span><span class="kw">crate</span>::headers::www_authenticate::{Challenge, WwwAuthenticate};

<span class="doccomment">/// Authentication error returned by authentication extractors.
///
/// Different extractors may extend `AuthenticationError` implementation in order to provide access
/// inner challenge fields.
</span><span class="attr">#[derive(Debug)]
</span><span class="kw">pub struct </span>AuthenticationError&lt;C: Challenge&gt; {
    challenge: C,
    status_code: StatusCode,
}

<span class="kw">impl</span>&lt;C: Challenge&gt; AuthenticationError&lt;C&gt; {
    <span class="doccomment">/// Creates new authentication error from the provided `challenge`.
    ///
    /// By default returned error will resolve into the `HTTP 401` status code.
    </span><span class="kw">pub fn </span>new(challenge: C) -&gt; AuthenticationError&lt;C&gt; {
        AuthenticationError {
            challenge,
            status_code: StatusCode::UNAUTHORIZED,
        }
    }

    <span class="doccomment">/// Returns mutable reference to the inner challenge instance.
    </span><span class="kw">pub fn </span>challenge_mut(<span class="kw-2">&amp;mut </span><span class="self">self</span>) -&gt; <span class="kw-2">&amp;mut </span>C {
        <span class="kw-2">&amp;mut </span><span class="self">self</span>.challenge
    }

    <span class="doccomment">/// Returns mutable reference to the inner status code.
    ///
    /// Can be used to override returned status code, but by default this lib tries to stick to the
    /// RFC, so it might be unreasonable.
    </span><span class="kw">pub fn </span>status_code_mut(<span class="kw-2">&amp;mut </span><span class="self">self</span>) -&gt; <span class="kw-2">&amp;mut </span>StatusCode {
        <span class="kw-2">&amp;mut </span><span class="self">self</span>.status_code
    }
}

<span class="kw">impl</span>&lt;C: Challenge&gt; fmt::Display <span class="kw">for </span>AuthenticationError&lt;C&gt; {
    <span class="kw">fn </span>fmt(<span class="kw-2">&amp;</span><span class="self">self</span>, f: <span class="kw-2">&amp;mut </span>fmt::Formatter&lt;<span class="lifetime">'_</span>&gt;) -&gt; fmt::Result {
        fmt::Display::fmt(<span class="kw-2">&amp;</span><span class="self">self</span>.status_code, f)
    }
}

<span class="kw">impl</span>&lt;C: Challenge + <span class="lifetime">'static</span>&gt; Error <span class="kw">for </span>AuthenticationError&lt;C&gt; {}

<span class="kw">impl</span>&lt;C: Challenge + <span class="lifetime">'static</span>&gt; ResponseError <span class="kw">for </span>AuthenticationError&lt;C&gt; {
    <span class="kw">fn </span>status_code(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; StatusCode {
        <span class="self">self</span>.status_code
    }

    <span class="kw">fn </span>error_response(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; HttpResponse {
        HttpResponse::build(<span class="self">self</span>.status_code())
            .insert_header(WwwAuthenticate(<span class="self">self</span>.challenge.clone()))
            .finish()
    }
}

<span class="attr">#[cfg(test)]
</span><span class="kw">mod </span>tests {
    <span class="kw">use </span>actix_web::Error;

    <span class="kw">use super</span>::<span class="kw-2">*</span>;
    <span class="kw">use </span><span class="kw">crate</span>::headers::www_authenticate::basic::Basic;

    <span class="attr">#[test]
    </span><span class="kw">fn </span>test_status_code_is_preserved_across_error_conversions() {
        <span class="kw">let </span>ae = AuthenticationError::new(Basic::default());
        <span class="kw">let </span>expected = ae.status_code;

        <span class="comment">// Converting the AuthenticationError into a ResponseError should preserve the status code.
        </span><span class="kw">let </span>err = Error::from(ae);
        <span class="kw">let </span>res_err = err.as_response_error();
        <span class="macro">assert_eq!</span>(expected, res_err.status_code());
    }
}
</code></pre></div></section></main></body></html>