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</pre></div><pre class="rust"><code><span class="doccomment">//! Extractor for the "Bearer" HTTP Authentication Scheme.

</span><span class="kw">use </span>std::{borrow::Cow, default::Default};

<span class="kw">use </span>actix_utils::future::{ready, Ready};
<span class="kw">use </span>actix_web::{dev::Payload, http::header::Header, FromRequest, HttpRequest};

<span class="kw">use super</span>::{config::AuthExtractorConfig, errors::AuthenticationError};
<span class="kw">pub use </span><span class="kw">crate</span>::headers::www_authenticate::bearer::Error;
<span class="kw">use </span><span class="kw">crate</span>::headers::{authorization, www_authenticate::bearer};

<span class="doccomment">/// [`BearerAuth`] extractor configuration.
</span><span class="attr">#[derive(Debug, Clone, Default)]
</span><span class="kw">pub struct </span>Config(bearer::Bearer);

<span class="kw">impl </span>Config {
    <span class="doccomment">/// Set challenge `scope` attribute.
    ///
    /// The `"scope"` attribute is a space-delimited list of case-sensitive
    /// scope values indicating the required scope of the access token for
    /// accessing the requested resource.
    </span><span class="kw">pub fn </span>scope&lt;T: Into&lt;Cow&lt;<span class="lifetime">'static</span>, str&gt;&gt;&gt;(<span class="kw-2">mut </span><span class="self">self</span>, value: T) -&gt; Config {
        <span class="self">self</span>.<span class="number">0</span>.scope = <span class="prelude-val">Some</span>(value.into());
        <span class="self">self
    </span>}

    <span class="doccomment">/// Set challenge `realm` attribute.
    ///
    /// The "realm" attribute indicates the scope of protection in the manner
    /// described in HTTP/1.1 [RFC 2617](https://tools.ietf.org/html/rfc2617#section-1.2).
    </span><span class="kw">pub fn </span>realm&lt;T: Into&lt;Cow&lt;<span class="lifetime">'static</span>, str&gt;&gt;&gt;(<span class="kw-2">mut </span><span class="self">self</span>, value: T) -&gt; Config {
        <span class="self">self</span>.<span class="number">0</span>.realm = <span class="prelude-val">Some</span>(value.into());
        <span class="self">self
    </span>}
}

<span class="kw">impl </span>AsRef&lt;bearer::Bearer&gt; <span class="kw">for </span>Config {
    <span class="kw">fn </span>as_ref(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="kw-2">&amp;</span>bearer::Bearer {
        <span class="kw-2">&amp;</span><span class="self">self</span>.<span class="number">0
    </span>}
}

<span class="kw">impl </span>AuthExtractorConfig <span class="kw">for </span>Config {
    <span class="kw">type </span>Inner = bearer::Bearer;

    <span class="kw">fn </span>into_inner(<span class="self">self</span>) -&gt; <span class="self">Self</span>::Inner {
        <span class="self">self</span>.<span class="number">0
    </span>}
}

<span class="doccomment">/// Extractor for HTTP Bearer auth
///
/// # Examples
/// ```
/// use actix_web_httpauth::extractors::bearer::BearerAuth;
///
/// async fn index(auth: BearerAuth) -&gt; String {
///     format!("Hello, user with token {}!", auth.token())
/// }
/// ```
///
/// If authentication fails, this extractor fetches the [`Config`] instance
/// from the [app data] in order to properly form the `WWW-Authenticate`
/// response header.
///
/// # Examples
/// ```
/// use actix_web::{web, App};
/// use actix_web_httpauth::extractors::bearer::{self, BearerAuth};
///
/// async fn index(auth: BearerAuth) -&gt; String {
///     format!("Hello, {}!", auth.token())
/// }
///
/// App::new()
///     .app_data(
///         bearer::Config::default()
///             .realm("Restricted area")
///             .scope("email photo"),
///     )
///     .service(web::resource("/index.html").route(web::get().to(index)));
/// ```
</span><span class="attr">#[derive(Debug, Clone)]
</span><span class="kw">pub struct </span>BearerAuth(authorization::Bearer);

<span class="kw">impl </span>BearerAuth {
    <span class="doccomment">/// Returns bearer token provided by client.
    </span><span class="kw">pub fn </span>token(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="kw-2">&amp;</span>str {
        <span class="self">self</span>.<span class="number">0</span>.token()
    }
}

<span class="kw">impl </span>FromRequest <span class="kw">for </span>BearerAuth {
    <span class="kw">type </span>Future = Ready&lt;<span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>, <span class="self">Self</span>::Error&gt;&gt;;
    <span class="kw">type </span>Error = AuthenticationError&lt;bearer::Bearer&gt;;

    <span class="kw">fn </span>from_request(req: <span class="kw-2">&amp;</span>HttpRequest, _payload: <span class="kw-2">&amp;mut </span>Payload) -&gt; &lt;<span class="self">Self </span><span class="kw">as </span>FromRequest&gt;::Future {
        ready(
            authorization::Authorization::&lt;authorization::Bearer&gt;::parse(req)
                .map(|auth| BearerAuth(auth.into_scheme()))
                .map_err(|<span class="kw">_</span>| {
                    <span class="kw">let </span>bearer = req
                        .app_data::&lt;Config&gt;()
                        .map(|config| config.<span class="number">0</span>.clone())
                        .unwrap_or_default();

                    AuthenticationError::new(bearer)
                }),
        )
    }
}

<span class="doccomment">/// Extended error customization for HTTP `Bearer` auth.
</span><span class="kw">impl </span>AuthenticationError&lt;bearer::Bearer&gt; {
    <span class="doccomment">/// Attach `Error` to the current Authentication error.
    ///
    /// Error status code will be changed to the one provided by the `kind`
    /// Error.
    </span><span class="kw">pub fn </span>with_error(<span class="kw-2">mut </span><span class="self">self</span>, kind: Error) -&gt; <span class="self">Self </span>{
        <span class="kw-2">*</span><span class="self">self</span>.status_code_mut() = kind.status_code();
        <span class="self">self</span>.challenge_mut().error = <span class="prelude-val">Some</span>(kind);
        <span class="self">self
    </span>}

    <span class="doccomment">/// Attach error description to the current Authentication error.
    </span><span class="kw">pub fn </span>with_error_description&lt;T&gt;(<span class="kw-2">mut </span><span class="self">self</span>, desc: T) -&gt; <span class="self">Self
    </span><span class="kw">where
        </span>T: Into&lt;Cow&lt;<span class="lifetime">'static</span>, str&gt;&gt;,
    {
        <span class="self">self</span>.challenge_mut().error_description = <span class="prelude-val">Some</span>(desc.into());
        <span class="self">self
    </span>}

    <span class="doccomment">/// Attach error URI to the current Authentication error.
    ///
    /// It is up to implementor to provide properly formed absolute URI.
    </span><span class="kw">pub fn </span>with_error_uri&lt;T&gt;(<span class="kw-2">mut </span><span class="self">self</span>, uri: T) -&gt; <span class="self">Self
    </span><span class="kw">where
        </span>T: Into&lt;Cow&lt;<span class="lifetime">'static</span>, str&gt;&gt;,
    {
        <span class="self">self</span>.challenge_mut().error_uri = <span class="prelude-val">Some</span>(uri.into());
        <span class="self">self
    </span>}
}
</code></pre></div></section></main></body></html>