use crate::{
DnsRecord, DnsRecordType, Error, IntoFqdn, http::HttpClientBuilder,
utils::strip_origin_from_name,
};
use base64::{Engine, engine::general_purpose::STANDARD as BASE64};
use serde::{Deserialize, Serialize};
use std::time::Duration;
const DEFAULT_API_ENDPOINT: &str = "https://api.domeneshop.no/v0";
#[derive(Clone)]
pub struct DomeneshopProvider {
client: HttpClientBuilder,
endpoint: String,
}
#[derive(Deserialize, Debug, Clone)]
pub struct Domain {
pub id: i64,
pub domain: String,
}
#[derive(Serialize, Deserialize, Debug, Clone)]
pub struct DnsRecordPayload {
pub host: String,
#[serde(rename = "type")]
pub record_type: String,
pub data: String,
pub ttl: u32,
#[serde(skip_serializing_if = "Option::is_none")]
pub priority: Option<u16>,
#[serde(skip_serializing_if = "Option::is_none")]
pub weight: Option<u16>,
#[serde(skip_serializing_if = "Option::is_none")]
pub port: Option<u16>,
#[serde(skip_serializing_if = "Option::is_none")]
pub flags: Option<u8>,
#[serde(skip_serializing_if = "Option::is_none")]
pub tag: Option<String>,
}
#[derive(Deserialize, Debug, Clone)]
pub struct ExistingDnsRecord {
pub id: i64,
pub host: String,
#[serde(rename = "type")]
pub record_type: String,
}
pub struct DomeneshopRecordContent {
pub record_type: &'static str,
pub data: String,
pub priority: Option<u16>,
pub weight: Option<u16>,
pub port: Option<u16>,
pub flags: Option<u8>,
pub tag: Option<String>,
}
impl DomeneshopProvider {
pub(crate) fn new(
api_token: impl AsRef<str>,
api_secret: impl AsRef<str>,
timeout: Option<Duration>,
) -> Self {
let credentials = format!("{}:{}", api_token.as_ref(), api_secret.as_ref());
let encoded = BASE64.encode(credentials.as_bytes());
let client = HttpClientBuilder::default()
.with_header("Authorization", format!("Basic {encoded}"))
.with_timeout(timeout);
Self {
client,
endpoint: DEFAULT_API_ENDPOINT.to_string(),
}
}
#[cfg(test)]
pub(crate) fn with_endpoint(self, endpoint: impl AsRef<str>) -> Self {
Self {
endpoint: endpoint.as_ref().to_string(),
..self
}
}
pub(crate) async fn create(
&self,
name: impl IntoFqdn<'_>,
record: DnsRecord,
ttl: u32,
origin: impl IntoFqdn<'_>,
) -> crate::Result<()> {
let name = name.into_name();
let domain = origin.into_name();
let host = strip_origin_from_name(&name, &domain, Some("@"));
let domain_id = self.find_domain_id(&domain).await?;
let content = DomeneshopRecordContent::try_from(record)?;
let body = DnsRecordPayload {
host,
record_type: content.record_type.to_string(),
data: content.data,
ttl,
priority: content.priority,
weight: content.weight,
port: content.port,
flags: content.flags,
tag: content.tag,
};
self.client
.post(format!(
"{endpoint}/domains/{domain_id}/dns",
endpoint = self.endpoint
))
.with_body(&body)?
.send_raw()
.await
.map(|_| ())
}
pub(crate) async fn update(
&self,
name: impl IntoFqdn<'_>,
record: DnsRecord,
ttl: u32,
origin: impl IntoFqdn<'_>,
) -> crate::Result<()> {
let name = name.into_name();
let domain = origin.into_name();
let host = strip_origin_from_name(&name, &domain, Some("@"));
let record_type = record.as_type();
let domain_id = self.find_domain_id(&domain).await?;
let record_id = self
.find_record_id(domain_id, &host, record_type)
.await?;
let content = DomeneshopRecordContent::try_from(record)?;
let body = DnsRecordPayload {
host,
record_type: content.record_type.to_string(),
data: content.data,
ttl,
priority: content.priority,
weight: content.weight,
port: content.port,
flags: content.flags,
tag: content.tag,
};
self.client
.put(format!(
"{endpoint}/domains/{domain_id}/dns/{record_id}",
endpoint = self.endpoint
))
.with_body(&body)?
.send_raw()
.await
.map(|_| ())
}
pub(crate) async fn delete(
&self,
name: impl IntoFqdn<'_>,
origin: impl IntoFqdn<'_>,
record_type: DnsRecordType,
) -> crate::Result<()> {
let name = name.into_name();
let domain = origin.into_name();
let host = strip_origin_from_name(&name, &domain, Some("@"));
let domain_id = self.find_domain_id(&domain).await?;
let record_id = self.find_record_id(domain_id, &host, record_type).await?;
self.client
.delete(format!(
"{endpoint}/domains/{domain_id}/dns/{record_id}",
endpoint = self.endpoint
))
.send_raw()
.await
.map(|_| ())
}
async fn find_domain_id(&self, domain: &str) -> crate::Result<i64> {
let domains: Vec<Domain> = self
.client
.get(format!("{endpoint}/domains", endpoint = self.endpoint))
.send()
.await?;
domains
.into_iter()
.find(|d| d.domain == domain)
.map(|d| d.id)
.ok_or_else(|| Error::Api(format!("Domain {domain} not found")))
}
async fn find_record_id(
&self,
domain_id: i64,
host: &str,
record_type: DnsRecordType,
) -> crate::Result<i64> {
let records: Vec<ExistingDnsRecord> = self
.client
.get(format!(
"{endpoint}/domains/{domain_id}/dns",
endpoint = self.endpoint
))
.send()
.await?;
let type_str = record_type.as_str();
records
.into_iter()
.find(|r| r.host == host && r.record_type == type_str)
.map(|r| r.id)
.ok_or_else(|| {
Error::Api(format!(
"DNS Record {host} of type {type_str} not found"
))
})
}
}
impl TryFrom<DnsRecord> for DomeneshopRecordContent {
type Error = Error;
fn try_from(record: DnsRecord) -> Result<Self, Self::Error> {
match record {
DnsRecord::A(addr) => Ok(DomeneshopRecordContent {
record_type: "A",
data: addr.to_string(),
priority: None,
weight: None,
port: None,
flags: None,
tag: None,
}),
DnsRecord::AAAA(addr) => Ok(DomeneshopRecordContent {
record_type: "AAAA",
data: addr.to_string(),
priority: None,
weight: None,
port: None,
flags: None,
tag: None,
}),
DnsRecord::CNAME(target) => Ok(DomeneshopRecordContent {
record_type: "CNAME",
data: target,
priority: None,
weight: None,
port: None,
flags: None,
tag: None,
}),
DnsRecord::NS(target) => Ok(DomeneshopRecordContent {
record_type: "NS",
data: target,
priority: None,
weight: None,
port: None,
flags: None,
tag: None,
}),
DnsRecord::MX(mx) => Ok(DomeneshopRecordContent {
record_type: "MX",
data: mx.exchange,
priority: Some(mx.priority),
weight: None,
port: None,
flags: None,
tag: None,
}),
DnsRecord::TXT(text) => Ok(DomeneshopRecordContent {
record_type: "TXT",
data: text,
priority: None,
weight: None,
port: None,
flags: None,
tag: None,
}),
DnsRecord::SRV(srv) => Ok(DomeneshopRecordContent {
record_type: "SRV",
data: srv.target,
priority: Some(srv.priority),
weight: Some(srv.weight),
port: Some(srv.port),
flags: None,
tag: None,
}),
DnsRecord::TLSA(_) => Err(Error::Api(
"TLSA records are not supported by Domeneshop".to_string(),
)),
DnsRecord::CAA(caa) => {
let (flags, tag, value) = caa.decompose();
Ok(DomeneshopRecordContent {
record_type: "CAA",
data: value,
priority: None,
weight: None,
port: None,
flags: Some(flags),
tag: Some(tag),
})
}
}
}
}