85 lines
2.3 KiB
Rust
85 lines
2.3 KiB
Rust
use std::net::Ipv6Addr;
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use url::{Host, ParseError, Url};
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pub fn get_hostname(url: &str) -> Result<String, ParseError> {
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let hostname = match Url::parse(url)?
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.host()
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.ok_or(ParseError::EmptyHost)?
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{
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Host::Domain(domain) => domain.to_string(),
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Host::Ipv4(addr) => addr.to_string(),
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Host::Ipv6(addr) => addr.to_string(),
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};
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Ok(hostname)
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}
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pub fn guess_protocol(hostname: &str) -> &'static str {
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let maybe_ipv6_address = hostname.parse::<Ipv6Addr>();
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if let Ok(ipv6_address) = maybe_ipv6_address {
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let prefix = ipv6_address.segments()[0];
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if (0x0200..=0x03ff).contains(&prefix) {
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// Yggdrasil
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return "http";
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};
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};
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if hostname.ends_with(".onion") || hostname.ends_with(".i2p") {
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// Tor / I2P
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"http"
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} else {
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// Use HTTPS by default
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"https"
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_get_hostname() {
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let url = "https://example.org/objects/1";
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let hostname = get_hostname(url).unwrap();
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assert_eq!(hostname, "example.org");
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}
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#[test]
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fn test_get_hostname_tor() {
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let url = "http://2gzyxa5ihm7nsggfxnu52rck2vv4rvmdlkiu3zzui5du4xyclen53wid.onion/objects/1";
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let hostname = get_hostname(url).unwrap();
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assert_eq!(hostname, "2gzyxa5ihm7nsggfxnu52rck2vv4rvmdlkiu3zzui5du4xyclen53wid.onion");
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}
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#[test]
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fn test_get_hostname_yggdrasil() {
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let url = "http://[319:3cf0:dd1d:47b9:20c:29ff:fe2c:39be]/objects/1";
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let hostname = get_hostname(url).unwrap();
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assert_eq!(hostname, "319:3cf0:dd1d:47b9:20c:29ff:fe2c:39be");
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}
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#[test]
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fn test_get_hostname_email() {
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let url = "mailto:user@example.org";
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let result = get_hostname(url);
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assert_eq!(result.is_err(), true);
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}
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#[test]
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fn test_guess_protocol() {
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assert_eq!(
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guess_protocol("example.org"),
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"https",
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);
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assert_eq!(
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guess_protocol("2gzyxa5ihm7nsggfxnu52rck2vv4rvmdlkiu3zzui5du4xyclen53wid.onion"),
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"http",
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);
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assert_eq!(
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guess_protocol("zzz.i2p"),
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"http",
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);
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assert_eq!(
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guess_protocol("319:3cf0:dd1d:47b9:20c:29ff:fe2c:39be"),
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"http",
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);
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}
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}
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