use crate::{
CAARecord, DnsRecord, DnsRecordType, Error, IntoFqdn, KeyValue, MXRecord, SRVRecord,
TLSARecord, TlsaCertUsage, TlsaMatching, TlsaSelector,
http::{HttpClient, HttpClientBuilder},
utils::strip_origin_from_name,
};
use serde::{Deserialize, Serialize};
use std::time::Duration;
const DEFAULT_ENDPOINT: &str = "https://developers.hostinger.com";
#[derive(Clone)]
pub struct HostingerProvider {
client: HttpClient,
endpoint: String,
}
#[derive(Serialize, Debug)]
pub struct ZoneRequest {
pub overwrite: bool,
#[serde(skip_serializing_if = "Vec::is_empty")]
pub zone: Vec<RecordSet>,
}
#[derive(Serialize, Deserialize, Debug, Clone)]
pub struct RecordSet {
pub name: String,
#[serde(rename = "type")]
pub record_type: String,
pub ttl: u32,
pub records: Vec<RecordValue>,
}
#[derive(Serialize, Deserialize, Debug, Clone)]
pub struct RecordValue {
pub content: String,
#[serde(default, skip_serializing_if = "is_false")]
pub is_disabled: bool,
}
#[derive(Serialize, Debug)]
pub struct Filters {
pub filters: Vec<Filter>,
}
#[derive(Serialize, Debug)]
pub struct Filter {
pub name: String,
#[serde(rename = "type")]
pub record_type: String,
}
fn is_false(value: &bool) -> bool {
!*value
}
impl HostingerProvider {
pub(crate) fn new(
api_token: impl AsRef<str>,
timeout: Option<Duration>,
) -> crate::Result<Self> {
let token = api_token.as_ref();
if token.is_empty() {
return Err(Error::Api("Hostinger API token is empty".to_string()));
}
let client = HttpClientBuilder::default()
.with_header("Authorization", format!("Bearer {token}"))
.with_header("Accept", "application/json")
.with_timeout(timeout)
.build();
Ok(Self {
client,
endpoint: DEFAULT_ENDPOINT.to_string(),
})
}
#[cfg(test)]
pub(crate) fn with_endpoint(self, endpoint: impl AsRef<str>) -> Self {
Self {
endpoint: endpoint.as_ref().to_string(),
..self
}
}
fn zone_url(&self, domain: &str) -> String {
format!("{}/api/dns/v1/zones/{}", self.endpoint, domain)
}
pub(crate) async fn set_rrset(
&self,
name: impl IntoFqdn<'_>,
record_type: DnsRecordType,
ttl: u32,
records: Vec<DnsRecord>,
origin: impl IntoFqdn<'_>,
) -> crate::Result<()> {
check_record_types(record_type, &records)?;
let name = name.into_name();
let domain = origin.into_name();
let subdomain = strip_origin_from_name(&name, &domain, Some("@"));
if records.is_empty() {
let request = Filters {
filters: vec![Filter {
name: subdomain,
record_type: record_type.as_str().to_string(),
}],
};
return self
.client
.delete(self.zone_url(&domain))
.with_body(request)?
.send_with_retry::<serde_json::Value>(3)
.await
.map(|_| ())
.or_else(|err| match err {
Error::NotFound => Ok(()),
err => Err(err),
});
}
let contents = build_contents(record_type, records);
let new_rrset = RecordSet {
name: subdomain,
record_type: record_type.as_str().to_string(),
ttl,
records: contents
.into_iter()
.map(|content| RecordValue {
content,
is_disabled: false,
})
.collect(),
};
let request = ZoneRequest {
overwrite: true,
zone: vec![new_rrset],
};
self.client
.put(self.zone_url(&domain))
.with_body(request)?
.send_with_retry::<serde_json::Value>(3)
.await
.map(|_| ())
}
pub(crate) async fn add_to_rrset(
&self,
name: impl IntoFqdn<'_>,
record_type: DnsRecordType,
ttl: u32,
records: Vec<DnsRecord>,
origin: impl IntoFqdn<'_>,
) -> crate::Result<()> {
check_record_types(record_type, &records)?;
if records.is_empty() {
return Ok(());
}
let name = name.into_name();
let domain = origin.into_name();
let subdomain = strip_origin_from_name(&name, &domain, Some("@"));
let to_add = build_contents(record_type, records);
let zone = self.fetch_zone(&domain).await?;
let mut existing = zone
.into_iter()
.find(|r| r.name == subdomain && r.record_type == record_type.as_str());
let mut changed = false;
let merged = match existing.as_mut() {
Some(rrset) => {
let before = rrset.records.len();
for content in &to_add {
if !rrset.records.iter().any(|r| &r.content == content) {
rrset.records.push(RecordValue {
content: content.clone(),
is_disabled: false,
});
}
}
if rrset.records.len() != before {
changed = true;
}
existing.unwrap()
}
None => {
changed = true;
RecordSet {
name: subdomain,
record_type: record_type.as_str().to_string(),
ttl,
records: to_add
.into_iter()
.map(|content| RecordValue {
content,
is_disabled: false,
})
.collect(),
}
}
};
if !changed {
return Ok(());
}
let request = ZoneRequest {
overwrite: true,
zone: vec![merged],
};
self.client
.put(self.zone_url(&domain))
.with_body(request)?
.send_with_retry::<serde_json::Value>(3)
.await
.map(|_| ())
}
pub(crate) async fn remove_from_rrset(
&self,
name: impl IntoFqdn<'_>,
record_type: DnsRecordType,
records: Vec<DnsRecord>,
origin: impl IntoFqdn<'_>,
) -> crate::Result<()> {
check_record_types(record_type, &records)?;
if records.is_empty() {
return Ok(());
}
let name = name.into_name();
let domain = origin.into_name();
let subdomain = strip_origin_from_name(&name, &domain, Some("@"));
let to_remove = build_contents(record_type, records);
let zone = self.fetch_zone(&domain).await?;
let Some(rrset) = zone
.into_iter()
.find(|r| r.name == subdomain && r.record_type == record_type.as_str())
else {
return Ok(());
};
let before = rrset.records.len();
let filtered: Vec<RecordValue> = rrset
.records
.into_iter()
.filter(|r| !to_remove.iter().any(|c| c == &r.content))
.collect();
if filtered.len() == before {
return Ok(());
}
if filtered.is_empty() {
let request = Filters {
filters: vec![Filter {
name: subdomain,
record_type: record_type.as_str().to_string(),
}],
};
return self
.client
.delete(self.zone_url(&domain))
.with_body(request)?
.send_with_retry::<serde_json::Value>(3)
.await
.map(|_| ())
.or_else(|err| match err {
Error::NotFound => Ok(()),
err => Err(err),
});
}
let updated = RecordSet {
name: rrset.name,
record_type: rrset.record_type,
ttl: rrset.ttl,
records: filtered,
};
let request = ZoneRequest {
overwrite: true,
zone: vec![updated],
};
self.client
.put(self.zone_url(&domain))
.with_body(request)?
.send_with_retry::<serde_json::Value>(3)
.await
.map(|_| ())
}
pub(crate) async fn list_rrset(
&self,
name: impl IntoFqdn<'_>,
record_type: DnsRecordType,
origin: impl IntoFqdn<'_>,
) -> crate::Result<Vec<DnsRecord>> {
let name = name.into_name();
let domain = origin.into_name();
let subdomain = strip_origin_from_name(&name, &domain, Some("@"));
let rrset = self
.fetch_record_set(&domain, &subdomain, record_type)
.await?;
match rrset {
None => Ok(Vec::new()),
Some(rrset) => rrset
.records
.into_iter()
.map(|r| parse_record(record_type, &r.content))
.collect(),
}
}
async fn fetch_zone(&self, domain: &str) -> crate::Result<Vec<RecordSet>> {
let response = self.client.get(self.zone_url(domain)).send_raw().await?;
if response.is_empty() {
return Ok(Vec::new());
}
serde_json::from_str(&response)
.map_err(|err| Error::Serialize(format!("Failed to deserialize Hostinger zone: {err}")))
}
async fn fetch_record_set(
&self,
domain: &str,
subdomain: &str,
record_type: DnsRecordType,
) -> crate::Result<Option<RecordSet>> {
let zone = self.fetch_zone(domain).await?;
Ok(zone
.into_iter()
.find(|r| r.name == subdomain && r.record_type == record_type.as_str()))
}
}
fn check_record_types(expected: DnsRecordType, records: &[DnsRecord]) -> crate::Result<()> {
for r in records {
if r.as_type() != expected {
return Err(Error::Api(format!(
"RRSet record type mismatch: expected {}, got {}",
expected.as_str(),
r.as_type().as_str(),
)));
}
}
Ok(())
}
fn build_contents(_expected_type: DnsRecordType, records: Vec<DnsRecord>) -> Vec<String> {
records.iter().map(encode_record).collect()
}
fn ensure_fqdn(name: &str) -> String {
if name.ends_with('.') {
name.to_string()
} else {
format!("{name}.")
}
}
fn encode_record(record: &DnsRecord) -> String {
match record {
DnsRecord::A(ip) => ip.to_string(),
DnsRecord::AAAA(ip) => ip.to_string(),
DnsRecord::CNAME(value) => ensure_fqdn(value),
DnsRecord::NS(value) => ensure_fqdn(value),
DnsRecord::MX(mx) => format!("{} {}", mx.priority, ensure_fqdn(&mx.exchange)),
DnsRecord::TXT(value) => value.clone(),
DnsRecord::SRV(srv) => format!(
"{} {} {} {}",
srv.priority,
srv.weight,
srv.port,
ensure_fqdn(&srv.target)
),
DnsRecord::TLSA(tlsa) => tlsa.to_string(),
DnsRecord::CAA(caa) => caa.to_string(),
}
}
fn strip_trailing_dot(s: &str) -> &str {
s.strip_suffix('.').unwrap_or(s)
}
fn parse_record(record_type: DnsRecordType, content: &str) -> crate::Result<DnsRecord> {
match record_type {
DnsRecordType::A => content
.parse()
.map(DnsRecord::A)
.map_err(|e| Error::Parse(format!("invalid A record: {e}"))),
DnsRecordType::AAAA => content
.parse()
.map(DnsRecord::AAAA)
.map_err(|e| Error::Parse(format!("invalid AAAA record: {e}"))),
DnsRecordType::CNAME => Ok(DnsRecord::CNAME(strip_trailing_dot(content).to_string())),
DnsRecordType::NS => Ok(DnsRecord::NS(strip_trailing_dot(content).to_string())),
DnsRecordType::MX => parse_mx(content),
DnsRecordType::TXT => Ok(DnsRecord::TXT(unquote_txt(content))),
DnsRecordType::SRV => parse_srv(content),
DnsRecordType::TLSA => parse_tlsa(content),
DnsRecordType::CAA => parse_caa(content),
}
}
fn unquote_txt(content: &str) -> String {
let trimmed = content
.strip_prefix('"')
.and_then(|s| s.strip_suffix('"'))
.unwrap_or(content);
trimmed.replace("\\\"", "\"")
}
fn parse_mx(content: &str) -> crate::Result<DnsRecord> {
let (prio, exchange) = content
.split_once(' ')
.ok_or_else(|| Error::Parse(format!("invalid MX record: {content}")))?;
let priority: u16 = prio
.parse()
.map_err(|e| Error::Parse(format!("invalid MX priority {prio}: {e}")))?;
Ok(DnsRecord::MX(MXRecord {
priority,
exchange: strip_trailing_dot(exchange.trim()).to_string(),
}))
}
fn parse_srv(content: &str) -> crate::Result<DnsRecord> {
let mut parts = content.split_whitespace();
let priority: u16 = parts
.next()
.ok_or_else(|| Error::Parse(format!("invalid SRV record: {content}")))?
.parse()
.map_err(|e| Error::Parse(format!("invalid SRV priority: {e}")))?;
let weight: u16 = parts
.next()
.ok_or_else(|| Error::Parse(format!("invalid SRV record: {content}")))?
.parse()
.map_err(|e| Error::Parse(format!("invalid SRV weight: {e}")))?;
let port: u16 = parts
.next()
.ok_or_else(|| Error::Parse(format!("invalid SRV record: {content}")))?
.parse()
.map_err(|e| Error::Parse(format!("invalid SRV port: {e}")))?;
let target = parts
.next()
.ok_or_else(|| Error::Parse(format!("invalid SRV record: {content}")))?;
Ok(DnsRecord::SRV(SRVRecord {
priority,
weight,
port,
target: strip_trailing_dot(target).to_string(),
}))
}
fn parse_tlsa(content: &str) -> crate::Result<DnsRecord> {
let mut parts = content.split_whitespace();
let usage: u8 = parts
.next()
.ok_or_else(|| Error::Parse(format!("invalid TLSA record: {content}")))?
.parse()
.map_err(|e| Error::Parse(format!("invalid TLSA usage: {e}")))?;
let selector: u8 = parts
.next()
.ok_or_else(|| Error::Parse(format!("invalid TLSA record: {content}")))?
.parse()
.map_err(|e| Error::Parse(format!("invalid TLSA selector: {e}")))?;
let matching: u8 = parts
.next()
.ok_or_else(|| Error::Parse(format!("invalid TLSA record: {content}")))?
.parse()
.map_err(|e| Error::Parse(format!("invalid TLSA matching: {e}")))?;
let hex: String = parts.collect::<Vec<_>>().join("");
Ok(DnsRecord::TLSA(TLSARecord {
cert_usage: tlsa_cert_usage_from_u8(usage)?,
selector: tlsa_selector_from_u8(selector)?,
matching: tlsa_matching_from_u8(matching)?,
cert_data: decode_hex(&hex)?,
}))
}
fn tlsa_cert_usage_from_u8(value: u8) -> crate::Result<TlsaCertUsage> {
Ok(match value {
0 => TlsaCertUsage::PkixTa,
1 => TlsaCertUsage::PkixEe,
2 => TlsaCertUsage::DaneTa,
3 => TlsaCertUsage::DaneEe,
255 => TlsaCertUsage::Private,
_ => return Err(Error::Parse(format!("unknown TLSA cert usage: {value}"))),
})
}
fn tlsa_selector_from_u8(value: u8) -> crate::Result<TlsaSelector> {
Ok(match value {
0 => TlsaSelector::Full,
1 => TlsaSelector::Spki,
255 => TlsaSelector::Private,
_ => return Err(Error::Parse(format!("unknown TLSA selector: {value}"))),
})
}
fn tlsa_matching_from_u8(value: u8) -> crate::Result<TlsaMatching> {
Ok(match value {
0 => TlsaMatching::Raw,
1 => TlsaMatching::Sha256,
2 => TlsaMatching::Sha512,
255 => TlsaMatching::Private,
_ => return Err(Error::Parse(format!("unknown TLSA matching: {value}"))),
})
}
fn decode_hex(hex: &str) -> crate::Result<Vec<u8>> {
if !hex.len().is_multiple_of(2) {
return Err(Error::Parse(format!("invalid hex string: {hex}")));
}
(0..hex.len())
.step_by(2)
.map(|i| {
u8::from_str_radix(&hex[i..i + 2], 16)
.map_err(|e| Error::Parse(format!("invalid hex byte: {e}")))
})
.collect()
}
fn parse_caa(content: &str) -> crate::Result<DnsRecord> {
let mut parts = content.splitn(3, ' ');
let flags: u8 = parts
.next()
.ok_or_else(|| Error::Parse(format!("invalid CAA record: {content}")))?
.parse()
.map_err(|e| Error::Parse(format!("invalid CAA flags: {e}")))?;
let tag = parts
.next()
.ok_or_else(|| Error::Parse(format!("invalid CAA record: {content}")))?
.to_string();
let raw_value = parts
.next()
.ok_or_else(|| Error::Parse(format!("invalid CAA record: {content}")))?;
let value = raw_value
.strip_prefix('"')
.and_then(|s| s.strip_suffix('"'))
.unwrap_or(raw_value)
.to_string();
let issuer_critical = flags & 0x80 != 0;
match tag.as_str() {
"issue" => {
let (name, options) = parse_caa_value(&value);
Ok(DnsRecord::CAA(CAARecord::Issue {
issuer_critical,
name,
options,
}))
}
"issuewild" => {
let (name, options) = parse_caa_value(&value);
Ok(DnsRecord::CAA(CAARecord::IssueWild {
issuer_critical,
name,
options,
}))
}
"iodef" => Ok(DnsRecord::CAA(CAARecord::Iodef {
issuer_critical,
url: value,
})),
other => Err(Error::Parse(format!("unknown CAA tag: {other}"))),
}
}
fn parse_caa_value(value: &str) -> (Option<String>, Vec<KeyValue>) {
let mut parts = value.split(';').map(str::trim);
let name_part = parts.next().unwrap_or("").trim().to_string();
let name = if name_part.is_empty() {
None
} else {
Some(name_part)
};
let options = parts
.filter(|p| !p.is_empty())
.map(|p| match p.split_once('=') {
Some((k, v)) => KeyValue {
key: k.trim().to_string(),
value: v.trim().to_string(),
},
None => KeyValue {
key: p.trim().to_string(),
value: String::new(),
},
})
.collect();
(name, options)
}