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|
use std::collections::HashMap;
use std::sync::OnceLock;
/// whois server overrides from Lists.toml ("io:whois.nic.io" style entries)
#[derive(Debug, Clone, Default)]
pub struct WhoisOverrides {
map: HashMap<String, String>,
}
impl WhoisOverrides {
pub fn get_server(&self, tld: &str) -> Option<&str> {
self.map.get(&tld.to_lowercase()).map(|s| s.as_str())
}
}
struct NamedList {
name: String,
tlds: Vec<String>,
}
struct ParsedLists {
lists: Vec<NamedList>,
whois_overrides: WhoisOverrides,
}
// parse "tld" or "tld:whois_server"
fn parse_entry(entry: &str) -> (String, Option<String>) {
if let Some(pos) = entry.find(':') {
(entry[..pos].to_string(), Some(entry[pos + 1..].to_string()))
} else {
(entry.to_string(), None)
}
}
// parse more
fn parse_list(entries: &[toml::Value], overrides: &mut HashMap<String, String>) -> Vec<String> {
entries
.iter()
.filter_map(|v| v.as_str())
.map(|entry| {
let (tld, server) = parse_entry(entry);
if let Some(s) = server {
overrides.insert(tld.to_lowercase(), s);
}
tld
})
.collect()
}
static PARSED_LISTS: OnceLock<ParsedLists> = OnceLock::new();
fn parsed_lists() -> &'static ParsedLists {
PARSED_LISTS.get_or_init(|| {
let raw: toml::Value =
toml::from_str(include_str!("../Lists.toml")).expect("Lists.toml must be valid TOML");
let table = raw.as_table().expect("Lists.toml must be a TOML table");
// Build list names in the order build.rs found em
let ordered_names: Vec<&str> = env!("HOARDOM_LIST_NAMES").split(',').collect();
let mut overrides = HashMap::new();
let mut lists = Vec::new();
for name in &ordered_names {
if let Some(toml::Value::Array(arr)) = table.get(*name) {
let tlds = parse_list(arr, &mut overrides);
lists.push(NamedList {
name: name.to_string(),
tlds,
});
}
}
ParsedLists {
lists,
whois_overrides: WhoisOverrides { map: overrides },
}
})
}
pub fn list_names() -> Vec<&'static str> {
parsed_lists()
.lists
.iter()
.map(|l| l.name.as_str())
.collect()
}
pub fn default_list_name() -> &'static str {
list_names().first().copied().unwrap_or("standard")
}
pub fn get_tlds(name: &str) -> Option<Vec<&'static str>> {
let lower = name.to_lowercase();
parsed_lists()
.lists
.iter()
.find(|l| l.name == lower)
.map(|l| l.tlds.iter().map(String::as_str).collect())
}
pub fn get_tlds_or_default(name: &str) -> Vec<&'static str> {
get_tlds(name).unwrap_or_else(|| get_tlds(default_list_name()).unwrap_or_default())
}
pub fn whois_overrides() -> &'static WhoisOverrides {
&parsed_lists().whois_overrides
}
pub fn apply_top_tlds(tlds: Vec<&'static str>, top: &[String]) -> Vec<&'static str> {
let mut result: Vec<&'static str> = Vec::with_capacity(tlds.len());
// add the top ones in the order specified
for t in top {
let lower = t.to_lowercase();
if let Some(&found) = tlds.iter().find(|&&tld| tld.to_lowercase() == lower) {
if !result.contains(&found) {
result.push(found);
}
}
}
// then add the rest lol
for tld in &tlds {
if !result.contains(tld) {
result.push(tld);
}
}
result
}
|
