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</pre></div><pre class="rust"><code><span class="kw">use </span>std::{borrow::Cow, fmt};
<span class="kw">use </span>actix_web::{
http::header::{HeaderValue, InvalidHeaderValue, TryIntoHeaderValue},
web::{BufMut, BytesMut},
};
<span class="kw">use </span><span class="kw">crate</span>::headers::authorization::{errors::ParseError, scheme::Scheme};
<span class="doccomment">/// Credentials for `Bearer` authentication scheme, defined in [RFC 6750].
///
/// Should be used in combination with [`Authorization`] header.
///
/// [RFC 6750]: https://tools.ietf.org/html/rfc6750
/// [`Authorization`]: crate::headers::authorization::Authorization
</span><span class="attr">#[derive(Clone, Eq, Ord, PartialEq, PartialOrd)]
</span><span class="kw">pub struct </span>Bearer {
token: Cow<<span class="lifetime">'static</span>, str>,
}
<span class="kw">impl </span>Bearer {
<span class="doccomment">/// Creates new `Bearer` credentials with the token provided.
///
/// # Example
/// ```
/// # use actix_web_httpauth::headers::authorization::Bearer;
/// let credentials = Bearer::new("mF_9.B5f-4.1JqM");
/// ```
</span><span class="kw">pub fn </span>new<T>(token: T) -> Bearer
<span class="kw">where
</span>T: Into<Cow<<span class="lifetime">'static</span>, str>>,
{
Bearer {
token: token.into(),
}
}
<span class="doccomment">/// Gets reference to the credentials token.
</span><span class="kw">pub fn </span>token(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>str {
<span class="self">self</span>.token.as_ref()
}
}
<span class="kw">impl </span>Scheme <span class="kw">for </span>Bearer {
<span class="kw">fn </span>parse(header: <span class="kw-2">&</span>HeaderValue) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>, ParseError> {
<span class="comment">// "Bearer *" length
</span><span class="kw">if </span>header.len() < <span class="number">8 </span>{
<span class="kw">return </span><span class="prelude-val">Err</span>(ParseError::Invalid);
}
<span class="kw">let </span><span class="kw-2">mut </span>parts = header.to_str()<span class="question-mark">?</span>.splitn(<span class="number">2</span>, <span class="string">' '</span>);
<span class="kw">match </span>parts.next() {
<span class="prelude-val">Some</span>(<span class="string">"Bearer"</span>) => {}
<span class="kw">_ </span>=> <span class="kw">return </span><span class="prelude-val">Err</span>(ParseError::MissingScheme),
}
<span class="kw">let </span>token = parts.next().ok_or(ParseError::Invalid)<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(Bearer {
token: token.to_string().into(),
})
}
}
<span class="kw">impl </span>fmt::Debug <span class="kw">for </span>Bearer {
<span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> fmt::Result {
f.write_fmt(<span class="macro">format_args!</span>(<span class="string">"Bearer ******"</span>))
}
}
<span class="kw">impl </span>fmt::Display <span class="kw">for </span>Bearer {
<span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> fmt::Result {
f.write_fmt(<span class="macro">format_args!</span>(<span class="string">"Bearer {}"</span>, <span class="self">self</span>.token))
}
}
<span class="kw">impl </span>TryIntoHeaderValue <span class="kw">for </span>Bearer {
<span class="kw">type </span>Error = InvalidHeaderValue;
<span class="kw">fn </span>try_into_value(<span class="self">self</span>) -> <span class="prelude-ty">Result</span><HeaderValue, <span class="self">Self</span>::Error> {
<span class="kw">let </span><span class="kw-2">mut </span>buffer = BytesMut::with_capacity(<span class="number">7 </span>+ <span class="self">self</span>.token.len());
buffer.put(<span class="kw-2">&</span><span class="string">b"Bearer "</span>[..]);
buffer.extend_from_slice(<span class="self">self</span>.token.as_bytes());
HeaderValue::from_maybe_shared(buffer.freeze())
}
}
<span class="attr">#[cfg(test)]
</span><span class="kw">mod </span>tests {
<span class="kw">use super</span>::<span class="kw-2">*</span>;
<span class="attr">#[test]
</span><span class="kw">fn </span>test_parse_header() {
<span class="kw">let </span>value = HeaderValue::from_static(<span class="string">"Bearer mF_9.B5f-4.1JqM"</span>);
<span class="kw">let </span>scheme = Bearer::parse(<span class="kw-2">&</span>value);
<span class="macro">assert!</span>(scheme.is_ok());
<span class="kw">let </span>scheme = scheme.unwrap();
<span class="macro">assert_eq!</span>(scheme.token, <span class="string">"mF_9.B5f-4.1JqM"</span>);
}
<span class="attr">#[test]
</span><span class="kw">fn </span>test_empty_header() {
<span class="kw">let </span>value = HeaderValue::from_static(<span class="string">""</span>);
<span class="kw">let </span>scheme = Bearer::parse(<span class="kw-2">&</span>value);
<span class="macro">assert!</span>(scheme.is_err());
}
<span class="attr">#[test]
</span><span class="kw">fn </span>test_wrong_scheme() {
<span class="kw">let </span>value = HeaderValue::from_static(<span class="string">"OAuthToken foo"</span>);
<span class="kw">let </span>scheme = Bearer::parse(<span class="kw-2">&</span>value);
<span class="macro">assert!</span>(scheme.is_err());
}
<span class="attr">#[test]
</span><span class="kw">fn </span>test_missing_token() {
<span class="kw">let </span>value = HeaderValue::from_static(<span class="string">"Bearer "</span>);
<span class="kw">let </span>scheme = Bearer::parse(<span class="kw-2">&</span>value);
<span class="macro">assert!</span>(scheme.is_err());
}
<span class="attr">#[test]
</span><span class="kw">fn </span>test_into_header_value() {
<span class="kw">let </span>bearer = Bearer::new(<span class="string">"mF_9.B5f-4.1JqM"</span>);
<span class="kw">let </span>result = bearer.try_into_value();
<span class="macro">assert!</span>(result.is_ok());
<span class="macro">assert_eq!</span>(
result.unwrap(),
HeaderValue::from_static(<span class="string">"Bearer mF_9.B5f-4.1JqM"</span>)
);
}
}
</code></pre></div></section></main></body></html>