100 lines
2.6 KiB
Rust
100 lines
2.6 KiB
Rust
use header::{Header, HeaderFormat};
|
|
use Port;
|
|
use std::fmt;
|
|
use header::parsing::from_one_raw_str;
|
|
|
|
/// The `Host` header.
|
|
///
|
|
/// HTTP/1.1 requires that all requests include a `Host` header, and so hyper
|
|
/// client requests add one automatically.
|
|
///
|
|
/// Currently is just a String, but it should probably become a better type,
|
|
/// like url::Host or something.
|
|
#[derive(Clone, PartialEq, Debug)]
|
|
pub struct Host {
|
|
/// The hostname, such a example.domain.
|
|
pub hostname: String,
|
|
/// An optional port number.
|
|
pub port: Option<Port>
|
|
}
|
|
|
|
impl Header for Host {
|
|
fn header_name() -> &'static str {
|
|
"Host"
|
|
}
|
|
|
|
fn parse_header(raw: &[Vec<u8>]) -> Option<Host> {
|
|
from_one_raw_str(raw).and_then(|mut s: String| {
|
|
// FIXME: use rust-url to parse this
|
|
// https://github.com/servo/rust-url/issues/42
|
|
let idx = {
|
|
let slice = &s[];
|
|
if slice.char_at(1) == '[' {
|
|
match slice.rfind(']') {
|
|
Some(idx) => {
|
|
if slice.len() > idx + 2 {
|
|
Some(idx + 1)
|
|
} else {
|
|
None
|
|
}
|
|
}
|
|
None => return None // this is a bad ipv6 address...
|
|
}
|
|
} else {
|
|
slice.rfind(':')
|
|
}
|
|
};
|
|
|
|
let port = match idx {
|
|
Some(idx) => s[idx + 1..].parse(),
|
|
None => None
|
|
};
|
|
|
|
match idx {
|
|
Some(idx) => s.truncate(idx),
|
|
None => ()
|
|
}
|
|
|
|
Some(Host {
|
|
hostname: s,
|
|
port: port
|
|
})
|
|
})
|
|
}
|
|
}
|
|
|
|
impl HeaderFormat for Host {
|
|
fn fmt_header(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
|
|
match self.port {
|
|
None | Some(80) | Some(443) => write!(fmt, "{}", self.hostname),
|
|
Some(port) => write!(fmt, "{}:{}", self.hostname, port)
|
|
}
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use super::Host;
|
|
use header::Header;
|
|
|
|
|
|
#[test]
|
|
fn test_host() {
|
|
let host = Header::parse_header([b"foo.com".to_vec()].as_slice());
|
|
assert_eq!(host, Some(Host {
|
|
hostname: "foo.com".to_string(),
|
|
port: None
|
|
}));
|
|
|
|
|
|
let host = Header::parse_header([b"foo.com:8080".to_vec()].as_slice());
|
|
assert_eq!(host, Some(Host {
|
|
hostname: "foo.com".to_string(),
|
|
port: Some(8080)
|
|
}));
|
|
}
|
|
}
|
|
|
|
bench_header!(bench, Host, { vec![b"foo.com:3000".to_vec()] });
|
|
|