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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="Source of the Rust file `actix-web-httpauth/src/headers/authorization/scheme/basic.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>basic.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::borrow::Cow</span>;
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<span class="kw">use</span> <span class="ident">std::fmt</span>;
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<span class="kw">use</span> <span class="ident">std::str</span>;
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<span class="kw">use</span> <span class="ident">actix_web::http::header</span>::{<span class="ident">HeaderValue</span>, <span class="ident">IntoHeaderValue</span>, <span class="ident">InvalidHeaderValue</span>};
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<span class="kw">use</span> <span class="ident">actix_web::web</span>::{<span class="ident">BufMut</span>, <span class="ident">BytesMut</span>};
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<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::headers::authorization::errors::ParseError</span>;
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<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::headers::authorization::Scheme</span>;
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<span class="doccomment">/// Credentials for `Basic` authentication scheme, defined in [RFC 7617](https://tools.ietf.org/html/rfc7617)</span>
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<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Clone</span>, <span class="ident">Eq</span>, <span class="ident">Ord</span>, <span class="ident">PartialEq</span>, <span class="ident">PartialOrd</span>)]</span>
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<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Basic</span> {
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<span class="ident">user_id</span>: <span class="ident">Cow</span><span class="op"><</span><span class="lifetime">'static</span>, <span class="ident">str</span><span class="op">></span>,
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<span class="ident">password</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Cow</span><span class="op"><</span><span class="lifetime">'static</span>, <span class="ident">str</span><span class="op">></span><span class="op">></span>,
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}
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<span class="kw">impl</span> <span class="ident">Basic</span> {
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<span class="doccomment">/// Creates `Basic` credentials with provided `user_id` and optional</span>
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<span class="doccomment">/// `password`.</span>
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<span class="doccomment">///</span>
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<span class="doccomment">/// ## Example</span>
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<span class="doccomment">///</span>
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<span class="doccomment">/// ```</span>
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<span class="doccomment">/// # use actix_web_httpauth::headers::authorization::Basic;</span>
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<span class="doccomment">/// let credentials = Basic::new("Alladin", Some("open sesame"));</span>
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<span class="doccomment">/// ```</span>
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<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span><span class="op"><</span><span class="ident">U</span>, <span class="ident">P</span><span class="op">></span>(<span class="ident">user_id</span>: <span class="ident">U</span>, <span class="ident">password</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">P</span><span class="op">></span>) -> <span class="ident">Basic</span>
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<span class="kw">where</span>
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<span class="ident">U</span>: <span class="ident">Into</span><span class="op"><</span><span class="ident">Cow</span><span class="op"><</span><span class="lifetime">'static</span>, <span class="ident">str</span><span class="op">></span><span class="op">></span>,
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<span class="ident">P</span>: <span class="ident">Into</span><span class="op"><</span><span class="ident">Cow</span><span class="op"><</span><span class="lifetime">'static</span>, <span class="ident">str</span><span class="op">></span><span class="op">></span>,
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{
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<span class="ident">Basic</span> {
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<span class="ident">user_id</span>: <span class="ident">user_id</span>.<span class="ident">into</span>(),
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<span class="ident">password</span>: <span class="ident">password</span>.<span class="ident">map</span>(<span class="ident">Into::into</span>),
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}
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}
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<span class="doccomment">/// Returns client's user-ID.</span>
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<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">user_id</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span><span class="ident">Cow</span><span class="op"><</span><span class="lifetime">'static</span>, <span class="ident">str</span><span class="op">></span> {
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<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">user_id</span>
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}
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<span class="doccomment">/// Returns client's password if provided.</span>
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<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">password</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><span class="op"><</span><span class="kw-2">&</span><span class="ident">Cow</span><span class="op"><</span><span class="lifetime">'static</span>, <span class="ident">str</span><span class="op">></span><span class="op">></span> {
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<span class="self">self</span>.<span class="ident">password</span>.<span class="ident">as_ref</span>()
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}
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}
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<span class="kw">impl</span> <span class="ident">Scheme</span> <span class="kw">for</span> <span class="ident">Basic</span> {
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<span class="kw">fn</span> <span class="ident">parse</span>(<span class="ident">header</span>: <span class="kw-2">&</span><span class="ident">HeaderValue</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> {
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<span class="comment">// "Basic *" length</span>
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<span class="kw">if</span> <span class="ident">header</span>.<span class="ident">len</span>() <span class="op"><</span> <span class="number">7</span> {
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<span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">ParseError::Invalid</span>);
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}
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<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">parts</span> <span class="op">=</span> <span class="ident">header</span>.<span class="ident">to_str</span>()<span class="question-mark">?</span>.<span class="ident">splitn</span>(<span class="number">2</span>, <span class="string">' '</span>);
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<span class="kw">match</span> <span class="ident">parts</span>.<span class="ident">next</span>() {
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||
<span class="prelude-val">Some</span>(<span class="ident">scheme</span>) <span class="kw">if</span> <span class="ident">scheme</span> <span class="op">==</span> <span class="string">"Basic"</span> => (),
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<span class="kw">_</span> => <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">ParseError::MissingScheme</span>),
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}
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<span class="kw">let</span> <span class="ident">decoded</span> <span class="op">=</span> <span class="ident">base64::decode</span>(<span class="ident">parts</span>.<span class="ident">next</span>().<span class="ident">ok_or</span>(<span class="ident">ParseError::Invalid</span>)<span class="question-mark">?</span>)<span class="question-mark">?</span>;
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||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">credentials</span> <span class="op">=</span> <span class="ident">str::from_utf8</span>(<span class="kw-2">&</span><span class="ident">decoded</span>)<span class="question-mark">?</span>.<span class="ident">splitn</span>(<span class="number">2</span>, <span class="string">':'</span>);
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||
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<span class="kw">let</span> <span class="ident">user_id</span> <span class="op">=</span> <span class="ident">credentials</span>
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.<span class="ident">next</span>()
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.<span class="ident">ok_or</span>(<span class="ident">ParseError::MissingField</span>(<span class="string">"user_id"</span>))
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.<span class="ident">map</span>(<span class="op">|</span><span class="ident">user_id</span><span class="op">|</span> <span class="ident">user_id</span>.<span class="ident">to_string</span>().<span class="ident">into</span>())<span class="question-mark">?</span>;
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<span class="kw">let</span> <span class="ident">password</span> <span class="op">=</span> <span class="ident">credentials</span>
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.<span class="ident">next</span>()
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.<span class="ident">ok_or</span>(<span class="ident">ParseError::MissingField</span>(<span class="string">"password"</span>))
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.<span class="ident">map</span>(<span class="op">|</span><span class="ident">password</span><span class="op">|</span> {
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<span class="kw">if</span> <span class="ident">password</span>.<span class="ident">is_empty</span>() {
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<span class="prelude-val">None</span>
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} <span class="kw">else</span> {
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<span class="prelude-val">Some</span>(<span class="ident">password</span>.<span class="ident">to_string</span>().<span class="ident">into</span>())
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}
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})<span class="question-mark">?</span>;
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<span class="prelude-val">Ok</span>(<span class="ident">Basic</span> { <span class="ident">user_id</span>, <span class="ident">password</span> })
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}
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}
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<span class="kw">impl</span> <span class="ident">fmt::Debug</span> <span class="kw">for</span> <span class="ident">Basic</span> {
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<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> {
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<span class="ident">f</span>.<span class="ident">write_fmt</span>(<span class="macro">format_args!</span>(<span class="string">"Basic {}:******"</span>, <span class="self">self</span>.<span class="ident">user_id</span>))
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}
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}
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<span class="kw">impl</span> <span class="ident">fmt::Display</span> <span class="kw">for</span> <span class="ident">Basic</span> {
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<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">f</span>.<span class="ident">write_fmt</span>(<span class="macro">format_args!</span>(<span class="string">"Basic {}:******"</span>, <span class="self">self</span>.<span class="ident">user_id</span>))
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span> <span class="ident">IntoHeaderValue</span> <span class="kw">for</span> <span class="ident">Basic</span> {
|
||
<span class="kw">type</span> <span class="ident">Error</span> <span class="op">=</span> <span class="ident">InvalidHeaderValue</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="op"><</span><span class="self">Self</span> <span class="kw">as</span> <span class="ident">IntoHeaderValue</span><span class="op">></span><span class="ident">::Error</span><span class="op">></span> {
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">credentials</span> <span class="op">=</span> <span class="ident">BytesMut::with_capacity</span>(
|
||
<span class="self">self</span>.<span class="ident">user_id</span>.<span class="ident">len</span>()
|
||
<span class="op">+</span> <span class="number">1</span> <span class="comment">// ':'</span>
|
||
<span class="op">+</span> <span class="self">self</span>.<span class="ident">password</span>.<span class="ident">as_ref</span>().<span class="ident">map_or</span>(<span class="number">0</span>, <span class="op">|</span><span class="ident">pwd</span><span class="op">|</span> <span class="ident">pwd</span>.<span class="ident">len</span>()),
|
||
);
|
||
|
||
<span class="ident">credentials</span>.<span class="ident">extend_from_slice</span>(<span class="self">self</span>.<span class="ident">user_id</span>.<span class="ident">as_bytes</span>());
|
||
<span class="ident">credentials</span>.<span class="ident">put_u8</span>(<span class="string">b':'</span>);
|
||
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="kw-2">ref</span> <span class="ident">password</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">password</span> {
|
||
<span class="ident">credentials</span>.<span class="ident">extend_from_slice</span>(<span class="ident">password</span>.<span class="ident">as_bytes</span>());
|
||
}
|
||
|
||
<span class="comment">// TODO: It would be nice not to allocate new `String` here but write</span>
|
||
<span class="comment">// directly to `value`</span>
|
||
<span class="kw">let</span> <span class="ident">encoded</span> <span class="op">=</span> <span class="ident">base64::encode</span>(<span class="kw-2">&</span><span class="ident">credentials</span>);
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">value</span> <span class="op">=</span> <span class="ident">BytesMut::with_capacity</span>(<span class="number">6</span> <span class="op">+</span> <span class="ident">encoded</span>.<span class="ident">len</span>());
|
||
<span class="ident">value</span>.<span class="ident">put</span>(<span class="kw-2">&</span><span class="string">b"Basic "</span>[..]);
|
||
<span class="ident">value</span>.<span class="ident">put</span>(<span class="ident">encoded</span>.<span class="ident">as_bytes</span>());
|
||
|
||
<span class="ident">HeaderValue::from_maybe_shared</span>(<span class="ident">value</span>.<span class="ident">freeze</span>())
|
||
}
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">test</span>)]</span>
|
||
<span class="kw">mod</span> <span class="ident">tests</span> {
|
||
<span class="kw">use</span> <span class="kw">super</span>::{<span class="ident">Basic</span>, <span class="ident">Scheme</span>};
|
||
<span class="kw">use</span> <span class="ident">actix_web::http::header</span>::{<span class="ident">HeaderValue</span>, <span class="ident">IntoHeaderValue</span>};
|
||
|
||
<span class="attribute">#[<span class="ident">test</span>]</span>
|
||
<span class="kw">fn</span> <span class="ident">test_parse_header</span>() {
|
||
<span class="kw">let</span> <span class="ident">value</span> <span class="op">=</span> <span class="ident">HeaderValue::from_static</span>(<span class="string">"Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ=="</span>);
|
||
<span class="kw">let</span> <span class="ident">scheme</span> <span class="op">=</span> <span class="ident">Basic::parse</span>(<span class="kw-2">&</span><span class="ident">value</span>);
|
||
|
||
<span class="macro">assert!</span>(<span class="ident">scheme</span>.<span class="ident">is_ok</span>());
|
||
<span class="kw">let</span> <span class="ident">scheme</span> <span class="op">=</span> <span class="ident">scheme</span>.<span class="ident">unwrap</span>();
|
||
<span class="macro">assert_eq!</span>(<span class="ident">scheme</span>.<span class="ident">user_id</span>, <span class="string">"Aladdin"</span>);
|
||
<span class="macro">assert_eq!</span>(<span class="ident">scheme</span>.<span class="ident">password</span>, <span class="prelude-val">Some</span>(<span class="string">"open sesame"</span>.<span class="ident">into</span>()));
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">test</span>]</span>
|
||
<span class="kw">fn</span> <span class="ident">test_empty_password</span>() {
|
||
<span class="kw">let</span> <span class="ident">value</span> <span class="op">=</span> <span class="ident">HeaderValue::from_static</span>(<span class="string">"Basic QWxhZGRpbjo="</span>);
|
||
<span class="kw">let</span> <span class="ident">scheme</span> <span class="op">=</span> <span class="ident">Basic::parse</span>(<span class="kw-2">&</span><span class="ident">value</span>);
|
||
|
||
<span class="macro">assert!</span>(<span class="ident">scheme</span>.<span class="ident">is_ok</span>());
|
||
<span class="kw">let</span> <span class="ident">scheme</span> <span class="op">=</span> <span class="ident">scheme</span>.<span class="ident">unwrap</span>();
|
||
<span class="macro">assert_eq!</span>(<span class="ident">scheme</span>.<span class="ident">user_id</span>, <span class="string">"Aladdin"</span>);
|
||
<span class="macro">assert_eq!</span>(<span class="ident">scheme</span>.<span class="ident">password</span>, <span class="prelude-val">None</span>);
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">test</span>]</span>
|
||
<span class="kw">fn</span> <span class="ident">test_empty_header</span>() {
|
||
<span class="kw">let</span> <span class="ident">value</span> <span class="op">=</span> <span class="ident">HeaderValue::from_static</span>(<span class="string">""</span>);
|
||
<span class="kw">let</span> <span class="ident">scheme</span> <span class="op">=</span> <span class="ident">Basic::parse</span>(<span class="kw-2">&</span><span class="ident">value</span>);
|
||
|
||
<span class="macro">assert!</span>(<span class="ident">scheme</span>.<span class="ident">is_err</span>());
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">test</span>]</span>
|
||
<span class="kw">fn</span> <span class="ident">test_wrong_scheme</span>() {
|
||
<span class="kw">let</span> <span class="ident">value</span> <span class="op">=</span> <span class="ident">HeaderValue::from_static</span>(<span class="string">"THOUSHALLNOTPASS please?"</span>);
|
||
<span class="kw">let</span> <span class="ident">scheme</span> <span class="op">=</span> <span class="ident">Basic::parse</span>(<span class="kw-2">&</span><span class="ident">value</span>);
|
||
|
||
<span class="macro">assert!</span>(<span class="ident">scheme</span>.<span class="ident">is_err</span>());
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">test</span>]</span>
|
||
<span class="kw">fn</span> <span class="ident">test_missing_credentials</span>() {
|
||
<span class="kw">let</span> <span class="ident">value</span> <span class="op">=</span> <span class="ident">HeaderValue::from_static</span>(<span class="string">"Basic "</span>);
|
||
<span class="kw">let</span> <span class="ident">scheme</span> <span class="op">=</span> <span class="ident">Basic::parse</span>(<span class="kw-2">&</span><span class="ident">value</span>);
|
||
|
||
<span class="macro">assert!</span>(<span class="ident">scheme</span>.<span class="ident">is_err</span>());
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">test</span>]</span>
|
||
<span class="kw">fn</span> <span class="ident">test_missing_credentials_colon</span>() {
|
||
<span class="kw">let</span> <span class="ident">value</span> <span class="op">=</span> <span class="ident">HeaderValue::from_static</span>(<span class="string">"Basic QWxsYWRpbg=="</span>);
|
||
<span class="kw">let</span> <span class="ident">scheme</span> <span class="op">=</span> <span class="ident">Basic::parse</span>(<span class="kw-2">&</span><span class="ident">value</span>);
|
||
|
||
<span class="macro">assert!</span>(<span class="ident">scheme</span>.<span class="ident">is_err</span>());
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">test</span>]</span>
|
||
<span class="kw">fn</span> <span class="ident">test_into_header_value</span>() {
|
||
<span class="kw">let</span> <span class="ident">basic</span> <span class="op">=</span> <span class="ident">Basic</span> {
|
||
<span class="ident">user_id</span>: <span class="string">"Aladdin"</span>.<span class="ident">into</span>(),
|
||
<span class="ident">password</span>: <span class="prelude-val">Some</span>(<span class="string">"open sesame"</span>.<span class="ident">into</span>()),
|
||
};
|
||
|
||
<span class="kw">let</span> <span class="ident">result</span> <span class="op">=</span> <span class="ident">basic</span>.<span class="ident">try_into_value</span>();
|
||
<span class="macro">assert!</span>(<span class="ident">result</span>.<span class="ident">is_ok</span>());
|
||
<span class="macro">assert_eq!</span>(
|
||
<span class="ident">result</span>.<span class="ident">unwrap</span>(),
|
||
<span class="ident">HeaderValue::from_static</span>(<span class="string">"Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ=="</span>)
|
||
);
|
||
}
|
||
}
|
||
</code></pre></div>
|
||
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