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Replace Host::IPv4/IPv6 with single variant taking IpAddr #818

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48 changes: 25 additions & 23 deletions url/src/host.rs
Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@

use std::cmp;
use std::fmt::{self, Formatter};
use std::net::{Ipv4Addr, Ipv6Addr};
use std::net::{IpAddr, Ipv4Addr, Ipv6Addr};

use percent_encoding::{percent_decode, utf8_percent_encode, CONTROLS};
#[cfg(feature = "serde")]
Expand All @@ -30,8 +30,8 @@ impl From<Host<String>> for HostInternal {
match host {
Host::Domain(ref s) if s.is_empty() => HostInternal::None,
Host::Domain(_) => HostInternal::Domain,
Host::Ipv4(address) => HostInternal::Ipv4(address),
Host::Ipv6(address) => HostInternal::Ipv6(address),
Host::Ip(IpAddr::V4(address)) => HostInternal::Ipv4(address),
Host::Ip(IpAddr::V6(address)) => HostInternal::Ipv6(address),
}
}
}
Expand All @@ -45,31 +45,30 @@ pub enum Host<S = String> {
/// a special URL, or percent encoded for non-special URLs. Hosts for
/// non-special URLs are also called opaque hosts.
Domain(S),

/// An IPv4 address.
/// `Url::host_str` returns the serialization of this address,
/// as four decimal integers separated by `.` dots.
Ipv4(Ipv4Addr),

/// An IPv6 address.
/// `Url::host_str` returns the serialization of that address between `[` and `]` brackets,
/// in the format per [RFC 5952 *A Recommendation
/// for IPv6 Address Text Representation*](https://tools.ietf.org/html/rfc5952):
/// Either an IPv4 or IPv6 address. `Url::host_str` returns the serializatin of this address,
/// either as four decimal integers separated by `.` dots for an IPv4 address, or an address
/// between [ and ] brackets, in the format per [RFC 5952 *A Recommendation for IPv6 Address
/// Text Representation*](https://tools.ietf.org/html/rfc5952):
/// lowercase hexadecimal with maximal `::` compression.
Ipv6(Ipv6Addr),
Ip(IpAddr),
}

impl<'a> Host<&'a str> {
/// Return a copy of `self` that owns an allocated `String` but does not borrow an `&Url`.
pub fn to_owned(&self) -> Host<String> {
match *self {
Host::Domain(domain) => Host::Domain(domain.to_owned()),
Host::Ipv4(address) => Host::Ipv4(address),
Host::Ipv6(address) => Host::Ipv6(address),
Host::Ip(address) => Host::Ip(address),
}
}
}

impl<S> From<IpAddr> for Host<S> {
fn from(address: IpAddr) -> Self {
Host::Ip(address)
}
}

impl Host<String> {
/// Parse a host: either an IPv6 address in [] square brackets, or a domain.
///
Expand All @@ -79,7 +78,9 @@ impl Host<String> {
if !input.ends_with(']') {
return Err(ParseError::InvalidIpv6Address);
}
return parse_ipv6addr(&input[1..input.len() - 1]).map(Host::Ipv6);
return parse_ipv6addr(&input[1..input.len() - 1])
.map(IpAddr::V6)
.map(From::from);
}
let domain = percent_decode(input.as_bytes()).decode_utf8_lossy();

Expand Down Expand Up @@ -115,7 +116,7 @@ impl Host<String> {
Err(ParseError::InvalidDomainCharacter)
} else if ends_in_a_number(&domain) {
let address = parse_ipv4addr(&domain)?;
Ok(Host::Ipv4(address))
Ok(Host::Ip(IpAddr::V4(address)))
} else {
Ok(Host::Domain(domain))
}
Expand All @@ -127,7 +128,9 @@ impl Host<String> {
if !input.ends_with(']') {
return Err(ParseError::InvalidIpv6Address);
}
return parse_ipv6addr(&input[1..input.len() - 1]).map(Host::Ipv6);
return parse_ipv6addr(&input[1..input.len() - 1])
.map(IpAddr::V6)
.map(|x| x.into());
}

let is_invalid_host_char = |c| {
Expand Down Expand Up @@ -171,8 +174,8 @@ impl<S: AsRef<str>> fmt::Display for Host<S> {
fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
match *self {
Host::Domain(ref domain) => domain.as_ref().fmt(f),
Host::Ipv4(ref addr) => addr.fmt(f),
Host::Ipv6(ref addr) => {
Host::Ip(IpAddr::V4(ref addr)) => addr.fmt(f),
Host::Ip(IpAddr::V6(ref addr)) => {
f.write_str("[")?;
write_ipv6(addr, f)?;
f.write_str("]")
Expand All @@ -188,8 +191,7 @@ where
fn eq(&self, other: &Host<T>) -> bool {
match (self, other) {
(Host::Domain(a), Host::Domain(b)) => a == b,
(Host::Ipv4(a), Host::Ipv4(b)) => a == b,
(Host::Ipv6(a), Host::Ipv6(b)) => a == b,
(Host::Ip(a), Host::Ip(b)) => a == b,
(_, _) => false,
}
}
Expand Down
15 changes: 5 additions & 10 deletions url/src/lib.rs
Original file line number Diff line number Diff line change
Expand Up @@ -653,7 +653,7 @@ impl Url {
HostInternal::None => assert_eq!(host_str, ""),
HostInternal::Ipv4(address) => assert_eq!(host_str, address.to_string()),
HostInternal::Ipv6(address) => {
let h: Host<String> = Host::Ipv6(address);
let h: Host<String> = Host::Ip(address.into());
assert_eq!(host_str, h.to_string())
}
HostInternal::Domain => {
Expand Down Expand Up @@ -1086,8 +1086,8 @@ impl Url {
match self.host {
HostInternal::None => None,
HostInternal::Domain => Some(Host::Domain(self.slice(self.host_start..self.host_end))),
HostInternal::Ipv4(address) => Some(Host::Ipv4(address)),
HostInternal::Ipv6(address) => Some(Host::Ipv6(address)),
HostInternal::Ipv4(address) => Some(Host::Ip(address.into())),
HostInternal::Ipv6(address) => Some(Host::Ip(address.into())),
}
}

Expand Down Expand Up @@ -1232,8 +1232,7 @@ impl Url {
)?;
Ok(match host {
Host::Domain(domain) => (domain, port).to_socket_addrs()?.collect(),
Host::Ipv4(ip) => vec![(ip, port).into()],
Host::Ipv6(ip) => vec![(ip, port).into()],
Host::Ip(ip) => vec![(ip, port).into()],
})
}

Expand Down Expand Up @@ -2022,11 +2021,7 @@ impl Url {
return Err(());
}

let address = match address {
IpAddr::V4(address) => Host::Ipv4(address),
IpAddr::V6(address) => Host::Ipv6(address),
};
self.set_host_internal(address, None);
self.set_host_internal(address.into(), None);
Ok(())
}

Expand Down
29 changes: 19 additions & 10 deletions url/tests/unit.rs
Original file line number Diff line number Diff line change
Expand Up @@ -267,28 +267,34 @@ fn host() {
assert_host("http://www.mozilla.org", Host::Domain("www.mozilla.org"));
assert_host(
"http://1.35.33.49",
Host::Ipv4(Ipv4Addr::new(1, 35, 33, 49)),
Host::Ip(Ipv4Addr::new(1, 35, 33, 49).into()),
);
assert_host(
"http://[2001:0db8:85a3:08d3:1319:8a2e:0370:7344]",
Host::Ipv6(Ipv6Addr::new(
0x2001, 0x0db8, 0x85a3, 0x08d3, 0x1319, 0x8a2e, 0x0370, 0x7344,
)),
Host::Ip(
Ipv6Addr::new(
0x2001, 0x0db8, 0x85a3, 0x08d3, 0x1319, 0x8a2e, 0x0370, 0x7344,
)
.into(),
),
);
assert_host(
"http://[::]",
Host::Ipv6(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 0)),
Host::Ip(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 0).into()),
);
assert_host(
"http://[::1]",
Host::Ipv6(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1)),
Host::Ip(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1).into()),
);
assert_host(
"http://0x1.0X23.0x21.061",
Host::Ipv4(Ipv4Addr::new(1, 35, 33, 49)),
Host::Ip(Ipv4Addr::new(1, 35, 33, 49).into()),
);
assert_host(
"http://0x1232131",
Host::Ip(Ipv4Addr::new(1, 35, 33, 49).into()),
);
assert_host("http://0x1232131", Host::Ipv4(Ipv4Addr::new(1, 35, 33, 49)));
assert_host("http://111", Host::Ipv4(Ipv4Addr::new(0, 0, 0, 111)));
assert_host("http://111", Host::Ip(Ipv4Addr::new(0, 0, 0, 111).into()));
assert!(Url::parse("http://1.35.+33.49").is_err());
assert!(Url::parse("http://2..2.3").is_err());
assert!(Url::parse("http://42.0x1232131").is_err());
Expand Down Expand Up @@ -780,7 +786,10 @@ fn test_windows_unc_path() {
assert_eq!(url.as_str(), "file://xn--hst-sna/share/path/file.txt");

let url = Url::from_file_path(Path::new(r"\\192.168.0.1\share\path\file.txt")).unwrap();
assert_eq!(url.host(), Some(Host::Ipv4(Ipv4Addr::new(192, 168, 0, 1))));
assert_eq!(
url.host(),
Some(Host::Ip(Ipv4Addr::new(192, 168, 0, 1).into()))
);

let path = url.to_file_path().unwrap();
assert_eq!(path.to_str(), Some(r"\\192.168.0.1\share\path\file.txt"));
Expand Down