geoip-api/src/main.rs

86 lines
2.3 KiB
Rust

use itertools::Itertools;
use serde::Serialize;
use std::{net::Ipv4Addr, sync::Arc};
use warp::{http::StatusCode, reply, Filter};
use serde_json::json;
const IP2ASN_DATA: &str = include_str!("../data/ip2asn-v4.tsv");
#[derive(Serialize)]
struct RangeRecord {
#[serde(skip)]
ip_start: Ipv4Addr,
#[serde(skip)]
ip_end: Ipv4Addr,
asn: u64,
country_code: &'static str,
asn_description: &'static str,
}
fn parse_ranges() -> Vec<RangeRecord> {
let mut ranges = Vec::with_capacity(IP2ASN_DATA.lines().count());
IP2ASN_DATA
.lines()
.filter(|s| !s.is_empty())
.map(|l| {
l.splitn(5, '\t')
.next_tuple::<(&str, &str, &str, &str, &str)>()
.unwrap()
})
.for_each(|(ip_start, ip_end, asn, country_code, asn_description)| {
ranges.push(RangeRecord {
ip_start: ip_start.parse().unwrap(),
ip_end: ip_end.parse().unwrap(),
asn: asn.parse().unwrap(),
country_code,
asn_description,
})
});
ranges
}
type RangeData = Arc<Vec<RangeRecord>>;
fn with_ranges(
ranges: RangeData,
) -> impl Filter<Extract = (RangeData,), Error = std::convert::Infallible> + Clone {
warp::any().map(move || ranges.clone())
}
fn get_range_data(ip: String, ranges: RangeData) -> impl warp::Reply {
if let Ok(ipv4) = ip.parse::<Ipv4Addr>() {
for range in ranges.iter() {
if (range.ip_start..=range.ip_end).contains(&ipv4) {
return reply::with_status(reply::json(&range), StatusCode::OK);
}
}
reply::with_status(
reply::json(&json!({ "error": "range not found" })),
StatusCode::NOT_FOUND,
)
} else {
reply::with_status(
reply::json(&json!({ "error": "invalid ipv4 address" })),
StatusCode::BAD_REQUEST,
)
}
}
#[tokio::main]
async fn main() {
eprintln!("[i] Parsing IP ASN data...");
let ranges: RangeData = Arc::new(parse_ranges());
eprintln!("[i] Done!");
let get_ip_data = warp::path!(String)
.and(with_ranges(ranges.clone()))
.map(get_range_data);
println!("\nListening on http://127.0.0.1:8000 ...");
warp::serve(get_ip_data).bind(([127, 0, 0, 1], 8000)).await;
}