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</pre><pre class="rust"><code><span class="kw">use</span> <span class="ident">std::borrow::Cow</span>;
<span class="kw">use</span> <span class="ident">std::fmt</span>;
<span class="kw">use</span> <span class="ident">actix_web::http::header</span>::{<span class="ident">HeaderValue</span>, <span class="ident">InvalidHeaderValue</span>, <span class="ident">TryIntoHeaderValue</span>};
<span class="kw">use</span> <span class="ident">actix_web::web</span>::{<span class="ident">BufMut</span>, <span class="ident">BytesMut</span>};
<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::headers::authorization::errors::ParseError</span>;
<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::headers::authorization::scheme::Scheme</span>;
<span class="doccomment">/// Credentials for `Bearer` authentication scheme, defined in [RFC6750](https://tools.ietf.org/html/rfc6750)</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Should be used in combination with</span>
<span class="doccomment">/// [`Authorization`](./struct.Authorization.html) header.</span>
<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>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Bearer</span> {
<span class="ident">token</span>: <span class="ident">Cow</span><span class="op">&lt;</span><span class="lifetime">&#39;static</span>, <span class="ident">str</span><span class="op">&gt;</span>,
}
<span class="kw">impl</span> <span class="ident">Bearer</span> {
<span class="doccomment">/// Creates new `Bearer` credentials with the token provided.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ## Example</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ```</span>
<span class="doccomment">/// # use actix_web_httpauth::headers::authorization::Bearer;</span>
<span class="doccomment">/// let credentials = Bearer::new(&quot;mF_9.B5f-4.1JqM&quot;);</span>
<span class="doccomment">/// ```</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span>(<span class="ident">token</span>: <span class="ident">T</span>) -&gt; <span class="ident">Bearer</span>
<span class="kw">where</span>
<span class="ident">T</span>: <span class="ident">Into</span><span class="op">&lt;</span><span class="ident">Cow</span><span class="op">&lt;</span><span class="lifetime">&#39;static</span>, <span class="ident">str</span><span class="op">&gt;</span><span class="op">&gt;</span>,
{
<span class="ident">Bearer</span> {
<span class="ident">token</span>: <span class="ident">token</span>.<span class="ident">into</span>(),
}
}
<span class="doccomment">/// Gets reference to the credentials token.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">token</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="kw-2">&amp;</span><span class="ident">Cow</span><span class="op">&lt;</span><span class="lifetime">&#39;static</span>, <span class="ident">str</span><span class="op">&gt;</span> {
<span class="kw-2">&amp;</span><span class="self">self</span>.<span class="ident">token</span>
}
}
<span class="kw">impl</span> <span class="ident">Scheme</span> <span class="kw">for</span> <span class="ident">Bearer</span> {
<span class="kw">fn</span> <span class="ident">parse</span>(<span class="ident">header</span>: <span class="kw-2">&amp;</span><span class="ident">HeaderValue</span>) -&gt; <span class="prelude-ty">Result</span><span class="op">&lt;</span><span class="self">Self</span>, <span class="ident">ParseError</span><span class="op">&gt;</span> {
<span class="comment">// &quot;Bearer *&quot; length</span>
<span class="kw">if</span> <span class="ident">header</span>.<span class="ident">len</span>() <span class="op">&lt;</span> <span class="number">8</span> {
<span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">ParseError::Invalid</span>);
}
<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">&#39; &#39;</span>);
<span class="kw">match</span> <span class="ident">parts</span>.<span class="ident">next</span>() {
<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">&quot;Bearer&quot;</span> =&gt; (),
<span class="kw">_</span> =&gt; <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">ParseError::MissingScheme</span>),
}
<span class="kw">let</span> <span class="ident">token</span> <span class="op">=</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="prelude-val">Ok</span>(<span class="ident">Bearer</span> {
<span class="ident">token</span>: <span class="ident">token</span>.<span class="ident">to_string</span>().<span class="ident">into</span>(),
})
}
}
<span class="kw">impl</span> <span class="ident">fmt::Debug</span> <span class="kw">for</span> <span class="ident">Bearer</span> {
<span class="kw">fn</span> <span class="ident">fmt</span>(<span class="kw-2">&amp;</span><span class="self">self</span>, <span class="ident">f</span>: <span class="kw-2">&amp;mut</span> <span class="ident">fmt::Formatter</span><span class="op">&lt;</span><span class="lifetime">&#39;_</span><span class="op">&gt;</span>) -&gt; <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">&quot;Bearer ******&quot;</span>))
}
}
<span class="kw">impl</span> <span class="ident">fmt::Display</span> <span class="kw">for</span> <span class="ident">Bearer</span> {
<span class="kw">fn</span> <span class="ident">fmt</span>(<span class="kw-2">&amp;</span><span class="self">self</span>, <span class="ident">f</span>: <span class="kw-2">&amp;mut</span> <span class="ident">fmt::Formatter</span><span class="op">&lt;</span><span class="lifetime">&#39;_</span><span class="op">&gt;</span>) -&gt; <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">&quot;Bearer {}&quot;</span>, <span class="self">self</span>.<span class="ident">token</span>))
}
}
<span class="kw">impl</span> <span class="ident">TryIntoHeaderValue</span> <span class="kw">for</span> <span class="ident">Bearer</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>) -&gt; <span class="prelude-ty">Result</span><span class="op">&lt;</span><span class="ident">HeaderValue</span>, <span class="ident"><span class="self">Self</span>::Error</span><span class="op">&gt;</span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">buffer</span> <span class="op">=</span> <span class="ident">BytesMut::with_capacity</span>(<span class="number">7</span> <span class="op">+</span> <span class="self">self</span>.<span class="ident">token</span>.<span class="ident">len</span>());
<span class="ident">buffer</span>.<span class="ident">put</span>(<span class="kw-2">&amp;</span><span class="string">b&quot;Bearer &quot;</span>[..]);
<span class="ident">buffer</span>.<span class="ident">extend_from_slice</span>(<span class="self">self</span>.<span class="ident">token</span>.<span class="ident">as_bytes</span>());
<span class="ident">HeaderValue::from_maybe_shared</span>(<span class="ident">buffer</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="kw-2">*</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">&quot;Bearer mF_9.B5f-4.1JqM&quot;</span>);
<span class="kw">let</span> <span class="ident">scheme</span> <span class="op">=</span> <span class="ident">Bearer::parse</span>(<span class="kw-2">&amp;</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">token</span>, <span class="string">&quot;mF_9.B5f-4.1JqM&quot;</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">&quot;&quot;</span>);
<span class="kw">let</span> <span class="ident">scheme</span> <span class="op">=</span> <span class="ident">Bearer::parse</span>(<span class="kw-2">&amp;</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">&quot;OAuthToken foo&quot;</span>);
<span class="kw">let</span> <span class="ident">scheme</span> <span class="op">=</span> <span class="ident">Bearer::parse</span>(<span class="kw-2">&amp;</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_token</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">&quot;Bearer &quot;</span>);
<span class="kw">let</span> <span class="ident">scheme</span> <span class="op">=</span> <span class="ident">Bearer::parse</span>(<span class="kw-2">&amp;</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">bearer</span> <span class="op">=</span> <span class="ident">Bearer::new</span>(<span class="string">&quot;mF_9.B5f-4.1JqM&quot;</span>);
<span class="kw">let</span> <span class="ident">result</span> <span class="op">=</span> <span class="ident">bearer</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">&quot;Bearer mF_9.B5f-4.1JqM&quot;</span>)
);
}
}
</code></pre></div>
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