57 lines
1.7 KiB
Rust
57 lines
1.7 KiB
Rust
#![feature(proc_macro_hygiene, decl_macro)]
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#[macro_use] extern crate rocket;
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use rocket::State;
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use rocket::http::Status;
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use rocket_contrib::json::Json;
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use trust_dns_client::client::{Client, SyncClient};
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use trust_dns_client::tcp::TcpClientConnection;
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use trust_dns_client::op::{DnsResponse, ResponseCode};
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use trust_dns_client::rr::{DNSClass, Name, RecordType};
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mod models;
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mod config;
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use models::errors::ErrorResponse;
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#[get("/zones/<zone>/records")]
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fn get_zone_records(client: State<SyncClient<TcpClientConnection>>, zone: String) -> Result<Json<Vec<models::dns::Record>>, ErrorResponse<()>> {
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// TODO: Implement FromParam for Name
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let name = Name::from_utf8(&zone).unwrap();
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let response: DnsResponse = client.query(&name, DNSClass::IN, RecordType::AXFR).unwrap();
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if response.response_code() != ResponseCode::NoError {
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return ErrorResponse::new(
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Status::NotFound,
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format!("zone {} could not be found", name.to_utf8())
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).err()
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}
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let answers = response.answers();
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let mut records: Vec<_> = answers.to_vec().into_iter()
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.map(|record| models::dns::Record::from(record))
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.filter(|record| match record.rdata {
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models::dns::RData::NULL { .. } | models::dns::RData::DNSSEC(_) => false,
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_ => true,
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}).collect();
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// AXFR response ends with SOA, we remove it so it is not doubled in the response.
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records.pop();
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Ok(Json(records))
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}
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fn main() {
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let app_config = config::load("config.toml".into());
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let conn = TcpClientConnection::new(app_config.dns_server.address).unwrap();
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let client = SyncClient::new(conn);
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rocket::ignite()
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.manage(client)
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.mount("/api/v1", routes![get_zone_records]).launch();
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}
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