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</pre><pre class="rust"><code><span class="kw">use</span> <span class="ident">std::fmt</span>;
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<span class="kw">use</span> <span class="ident">actix_web::error::ParseError</span>;
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<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">TryIntoHeaderValue</span>, <span class="ident">AUTHORIZATION</span>};
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<span class="kw">use</span> <span class="ident">actix_web::HttpMessage</span>;
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<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::headers::authorization::scheme::Scheme</span>;
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<span class="doccomment">/// `Authorization` header, defined in [RFC 7235](https://tools.ietf.org/html/rfc7235#section-4.2)</span>
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<span class="doccomment">///</span>
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<span class="doccomment">/// The "Authorization" header field allows a user agent to authenticate</span>
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<span class="doccomment">/// itself with an origin server -- usually, but not necessarily, after</span>
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<span class="doccomment">/// receiving a 401 (Unauthorized) response. Its value consists of</span>
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<span class="doccomment">/// credentials containing the authentication information of the user</span>
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<span class="doccomment">/// agent for the realm of the resource being requested.</span>
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<span class="doccomment">///</span>
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<span class="doccomment">/// `Authorization` header is generic over [authentication</span>
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<span class="doccomment">/// scheme](./trait.Scheme.html).</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::http::header::Header;</span>
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<span class="doccomment">/// # use actix_web::{HttpRequest, Result};</span>
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<span class="doccomment">/// # use actix_web_httpauth::headers::authorization::{Authorization, Basic};</span>
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<span class="doccomment">/// fn handler(req: HttpRequest) -> Result<String> {</span>
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<span class="doccomment">/// let auth = Authorization::<Basic>::parse(&req)?;</span>
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<span class="doccomment">///</span>
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<span class="doccomment">/// Ok(format!("Hello, {}!", auth.as_ref().user_id()))</span>
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<span class="doccomment">/// }</span>
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<span class="doccomment">/// ```</span>
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<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>
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<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>);
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<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>
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<span class="kw">where</span>
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<span class="ident">S</span>: <span class="ident">Scheme</span>,
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{
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<span class="doccomment">/// Consumes `Authorization` header and returns inner [`Scheme`]</span>
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<span class="doccomment">/// implementation.</span>
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<span class="doccomment">///</span>
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<span class="doccomment">/// [`Scheme`]: ./trait.Scheme.html</span>
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<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> {
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<span class="self">self</span>.<span class="number">0</span>
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}
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}
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<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>
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<span class="kw">where</span>
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<span class="ident">S</span>: <span class="ident">Scheme</span>,
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{
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<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> {
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<span class="ident">Authorization</span>(<span class="ident">scheme</span>)
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}
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}
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<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>
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<span class="kw">where</span>
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<span class="ident">S</span>: <span class="ident">Scheme</span>,
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{
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<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> {
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<span class="kw-2">&</span><span class="self">self</span>.<span class="number">0</span>
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}
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}
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<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>
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<span class="kw">where</span>
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<span class="ident">S</span>: <span class="ident">Scheme</span>,
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{
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<span class="kw">fn</span> <span class="ident">as_mut</span>(<span class="kw-2">&mut</span> <span class="self">self</span>) -> <span class="kw-2">&mut</span> <span class="ident">S</span> {
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<span class="kw-2">&mut</span> <span class="self">self</span>.<span class="number">0</span>
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}
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}
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<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> {
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<span class="attribute">#[<span class="ident">inline</span>]</span>
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<span class="kw">fn</span> <span class="ident">name</span>() -> <span class="ident">HeaderName</span> {
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<span class="ident">AUTHORIZATION</span>
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}
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<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> {
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<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>;
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<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>;
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<span class="prelude-val">Ok</span>(<span class="ident">Authorization</span>(<span class="ident">scheme</span>))
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}
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}
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<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">TryIntoHeaderValue</span> <span class="kw">for</span> <span class="ident">Authorization</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
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<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">TryIntoHeaderValue</span><span class="op">></span><span class="ident">::Error</span>;
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<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> {
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<span class="self">self</span>.<span class="number">0</span>.<span class="ident">try_into_value</span>()
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}
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}
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<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> {
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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">&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">fmt::Display::fmt</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="number">0</span>, <span class="ident">f</span>)
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}
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||
}
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</code></pre></div>
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