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</pre></div><pre class="rust"><code><span class="doccomment">//! Extractor for the "Basic" HTTP Authentication Scheme.
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</span><span class="kw">use </span>std::borrow::Cow;
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<span class="kw">use </span>actix_utils::future::{ready, Ready};
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<span class="kw">use </span>actix_web::{dev::Payload, http::header::Header, FromRequest, HttpRequest};
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<span class="kw">use super</span>::{config::AuthExtractorConfig, errors::AuthenticationError};
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<span class="kw">use </span><span class="kw">crate</span>::headers::{
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authorization::{Authorization, Basic},
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www_authenticate::basic::Basic <span class="kw">as </span>Challenge,
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};
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<span class="doccomment">/// [`BasicAuth`] extractor configuration used for [`WWW-Authenticate`] header later.
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///
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/// [`WWW-Authenticate`]: crate::headers::www_authenticate::WwwAuthenticate
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</span><span class="attr">#[derive(Debug, Clone, Default)]
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</span><span class="kw">pub struct </span>Config(Challenge);
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<span class="kw">impl </span>Config {
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<span class="doccomment">/// Set challenge `realm` attribute.
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///
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/// The "realm" attribute indicates the scope of protection in the manner described in HTTP/1.1
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/// [RFC 2617 §1.2](https://tools.ietf.org/html/rfc2617#section-1.2).
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</span><span class="kw">pub fn </span>realm<T>(<span class="kw-2">mut </span><span class="self">self</span>, value: T) -> Config
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<span class="kw">where
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</span>T: Into<Cow<<span class="lifetime">'static</span>, str>>,
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{
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<span class="self">self</span>.<span class="number">0</span>.realm = <span class="prelude-val">Some</span>(value.into());
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<span class="self">self
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</span>}
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}
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<span class="kw">impl </span>AsRef<Challenge> <span class="kw">for </span>Config {
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<span class="kw">fn </span>as_ref(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>Challenge {
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<span class="kw-2">&</span><span class="self">self</span>.<span class="number">0
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</span>}
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}
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<span class="kw">impl </span>AuthExtractorConfig <span class="kw">for </span>Config {
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<span class="kw">type </span>Inner = Challenge;
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<span class="kw">fn </span>into_inner(<span class="self">self</span>) -> <span class="self">Self</span>::Inner {
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<span class="self">self</span>.<span class="number">0
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</span>}
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}
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<span class="doccomment">/// Extractor for HTTP Basic auth.
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///
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/// # Examples
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/// ```
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/// use actix_web_httpauth::extractors::basic::BasicAuth;
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///
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/// async fn index(auth: BasicAuth) -> String {
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/// format!("Hello, {}!", auth.user_id())
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/// }
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/// ```
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///
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/// If authentication fails, this extractor fetches the [`Config`] instance from the [app data] in
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/// order to properly form the `WWW-Authenticate` response header.
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///
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/// # Examples
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/// ```
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/// use actix_web::{web, App};
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/// use actix_web_httpauth::extractors::basic::{self, BasicAuth};
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///
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/// async fn index(auth: BasicAuth) -> String {
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/// format!("Hello, {}!", auth.user_id())
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/// }
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///
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/// App::new()
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/// .app_data(basic::Config::default().realm("Restricted area"))
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/// .service(web::resource("/index.html").route(web::get().to(index)));
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/// ```
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///
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/// [app data]: https://docs.rs/actix-web/4/actix_web/struct.App.html#method.app_data
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</span><span class="attr">#[derive(Debug, Clone)]
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</span><span class="kw">pub struct </span>BasicAuth(Basic);
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<span class="kw">impl </span>BasicAuth {
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<span class="doccomment">/// Returns client's user-ID.
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</span><span class="kw">pub fn </span>user_id(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>str {
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<span class="self">self</span>.<span class="number">0</span>.user_id()
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}
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<span class="doccomment">/// Returns client's password.
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</span><span class="kw">pub fn </span>password(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span>str> {
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<span class="self">self</span>.<span class="number">0</span>.password()
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}
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}
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<span class="kw">impl </span>From<Basic> <span class="kw">for </span>BasicAuth {
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<span class="kw">fn </span>from(basic: Basic) -> <span class="self">Self </span>{
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<span class="self">Self</span>(basic)
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}
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}
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<span class="kw">impl </span>FromRequest <span class="kw">for </span>BasicAuth {
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<span class="kw">type </span>Future = Ready<<span class="prelude-ty">Result</span><<span class="self">Self</span>, <span class="self">Self</span>::Error>>;
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<span class="kw">type </span>Error = AuthenticationError<Challenge>;
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<span class="kw">fn </span>from_request(req: <span class="kw-2">&</span>HttpRequest, <span class="kw">_</span>: <span class="kw-2">&mut </span>Payload) -> <<span class="self">Self </span><span class="kw">as </span>FromRequest>::Future {
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ready(
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Authorization::<Basic>::parse(req)
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.map(|auth| BasicAuth(auth.into_scheme()))
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.map_err(|err| {
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<span class="macro">log::debug!</span>(<span class="string">"`BasicAuth` extract error: {}"</span>, err);
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<span class="kw">let </span>challenge = req
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.app_data::<Config>()
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.map(|config| config.<span class="number">0</span>.clone())
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.unwrap_or_default();
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AuthenticationError::new(challenge)
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}),
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)
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}
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}
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</code></pre></div></section></main></body></html> |