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9552aa0 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 | // Hostname matching function from SVR.JS rewritten from JavaScript to Rust
pub fn match_hostname(hostname: Option<&str>, req_hostname: Option<&str>) -> bool {
if hostname.is_none() || hostname == Some("*") {
return true;
}
if let (Some(hostname), Some(req_hostname)) = (hostname, req_hostname) {
if hostname.starts_with("*.") && hostname != "*." {
let hostnames_root = &hostname[2..];
if req_hostname == hostnames_root
|| (req_hostname.len() > hostnames_root.len()
&& req_hostname.ends_with(&format!(".{}", hostnames_root)[..]))
{
return true;
}
} else if req_hostname == hostname {
return true;
}
}
false
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn should_return_true_if_hostname_is_undefined() {
assert!(match_hostname(None, Some("example.com")));
}
#[test]
fn should_return_true_if_hostname_is_star() {
assert!(match_hostname(Some("*"), Some("example.com")));
}
#[test]
fn should_return_true_if_req_hostname_matches_hostname_exactly() {
assert!(match_hostname(Some("example.com"), Some("example.com")));
}
#[test]
fn should_return_false_if_req_hostname_does_not_match_hostname_exactly() {
assert!(!match_hostname(Some("example.com"), Some("example.org")));
}
#[test]
fn should_return_true_if_hostname_starts_with_star_dot_and_req_hostname_matches_the_root() {
assert!(match_hostname(
Some("*.example.com"),
Some("sub.example.com")
));
}
#[test]
fn should_return_false_if_hostname_starts_with_star_dot_and_req_hostname_does_not_match_the_root()
{
assert!(!match_hostname(Some("*.example.com"), Some("example.org")));
}
#[test]
fn should_return_true_if_hostname_starts_with_star_dot_and_req_hostname_is_the_root() {
assert!(match_hostname(Some("*.example.com"), Some("example.com")));
}
#[test]
fn should_return_false_if_hostname_is_star_dot() {
assert!(!match_hostname(Some("*."), Some("example.com")));
}
#[test]
fn should_return_false_if_req_hostname_is_undefined() {
assert!(!match_hostname(Some("example.com"), None));
}
#[test]
fn should_return_false_if_hostname_does_not_start_with_star_dot_and_req_hostname_does_not_match()
{
assert!(!match_hostname(
Some("sub.example.com"),
Some("example.com")
));
}
#[test]
fn should_return_true_if_hostname_starts_with_star_dot_and_req_hostname_matches_the_root_with_additional_subdomains(
) {
assert!(match_hostname(
Some("*.example.com"),
Some("sub.sub.example.com")
));
}
#[test]
fn should_return_false_if_hostname_starts_with_star_dot_and_req_hostname_does_not_match_the_root_with_additional_subdomains(
) {
assert!(!match_hostname(
Some("*.example.com"),
Some("sub.sub.example.org")
));
}
}
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