<!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/errors.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>errors.rs - source</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" href="../../../../normalize.css"><link rel="stylesheet" href="../../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../../../ayu.css" disabled><link rel="stylesheet" href="../../../../dark.css" disabled><link rel="stylesheet" href="../../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../../storage.js"></script><script defer src="../../../../source-script.js"></script><script defer src="../../../../source-files.js"></script><script defer src="../../../../main.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"></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="mobile-topbar"><button class="sidebar-menu-toggle">☰</button><a class="sidebar-logo" href="../../../../actix_web_httpauth/index.html"><div class="logo-container"><img class="rust-logo" src="../../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../../actix_web_httpauth/index.html"><div class="logo-container"><img class="rust-logo" src="../../../../rust-logo.svg" alt="logo"></div></a></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../../actix_web_httpauth/index.html"><img class="rust-logo" src="../../../../rust-logo.svg" alt="logo"></a><nav class="sub"><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"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../../wheel.svg"></a></div></div></form></nav></div><section id="main-content" 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>std::{convert::From, error::Error, fmt, str};
<span class="kw">use </span>actix_web::http::header;
<span class="doccomment">/// Possible errors while parsing `Authorization` header.
///
/// Should not be used directly unless you are implementing your own
/// [authentication scheme](super::Scheme).
</span><span class="attribute">#[derive(Debug)]
</span><span class="kw">pub enum </span>ParseError {
<span class="doccomment">/// Header value is malformed.
</span>Invalid,
<span class="doccomment">/// Authentication scheme is missing.
</span>MissingScheme,
<span class="doccomment">/// Required authentication field is missing.
</span>MissingField(<span class="kw-2">&</span><span class="lifetime">'static </span>str),
<span class="doccomment">/// Unable to convert header into the str.
</span>ToStrError(header::ToStrError),
<span class="doccomment">/// Malformed base64 string.
</span>Base64DecodeError(base64::DecodeError),
<span class="doccomment">/// Malformed UTF-8 string.
</span>Utf8Error(str::Utf8Error),
}
<span class="kw">impl </span>fmt::Display <span class="kw">for </span>ParseError {
<span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> fmt::Result {
<span class="kw">match </span><span class="self">self </span>{
ParseError::Invalid => f.write_str(<span class="string">"Invalid header value"</span>),
ParseError::MissingScheme => f.write_str(<span class="string">"Missing authorization scheme"</span>),
ParseError::MissingField(field) => <span class="macro">write!</span>(f, <span class="string">"Missing header field ({})"</span>, field),
ParseError::ToStrError(err) => fmt::Display::fmt(err, f),
ParseError::Base64DecodeError(err) => fmt::Display::fmt(err, f),
ParseError::Utf8Error(err) => fmt::Display::fmt(err, f),
}
}
}
<span class="kw">impl </span>Error <span class="kw">for </span>ParseError {
<span class="kw">fn </span>source(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span>(<span class="kw">dyn </span>Error + <span class="lifetime">'static</span>)> {
<span class="kw">match </span><span class="self">self </span>{
ParseError::Invalid => <span class="prelude-val">None</span>,
ParseError::MissingScheme => <span class="prelude-val">None</span>,
ParseError::MissingField(<span class="kw">_</span>) => <span class="prelude-val">None</span>,
ParseError::ToStrError(err) => <span class="prelude-val">Some</span>(err),
ParseError::Base64DecodeError(err) => <span class="prelude-val">Some</span>(err),
ParseError::Utf8Error(err) => <span class="prelude-val">Some</span>(err),
}
}
}
<span class="kw">impl </span>From<header::ToStrError> <span class="kw">for </span>ParseError {
<span class="kw">fn </span>from(err: header::ToStrError) -> <span class="self">Self </span>{
ParseError::ToStrError(err)
}
}
<span class="kw">impl </span>From<base64::DecodeError> <span class="kw">for </span>ParseError {
<span class="kw">fn </span>from(err: base64::DecodeError) -> <span class="self">Self </span>{
ParseError::Base64DecodeError(err)
}
}
<span class="kw">impl </span>From<str::Utf8Error> <span class="kw">for </span>ParseError {
<span class="kw">fn </span>from(err: str::Utf8Error) -> <span class="self">Self </span>{
ParseError::Utf8Error(err)
}
}
</code></pre></div>
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