cloudflare-dns-updater/src/main.rs
2023-02-26 01:10:39 +01:00

176 lines
4.9 KiB
Rust

use serde_derive::{Deserialize, Serialize};
use reqwest::blocking::get;
use std::fs;
mod cloudflare;
#[derive(Serialize, Deserialize)]
struct DnsEntry {
name: String,
type4: bool,
type6: bool,
interface: Option<String>
}
#[derive(Serialize, Deserialize)]
struct DnsZone {
email: String,
name: String,
id: String,
dns_entries: Vec<DnsEntry>
}
#[derive(Serialize, Deserialize)]
struct DnsConfig {
ipv6_interface: String,
api_key: String,
zones: Vec<DnsZone>
}
impl DnsConfig {
fn new() -> DnsConfig {
DnsConfig {
ipv6_interface: "".to_string(),
api_key: "".to_string(),
zones: Vec::new() }
}
fn load(&mut self) {
let file_contents = match fs::read_to_string("config.json") {
Ok(data) => {data},
Err(e) => panic!("{:#?}", e)
};
let config_parse: DnsConfig = match serde_json::from_str(&file_contents) {
Ok(data) => {data},
Err(e) => panic!("{:#?}", e)
};
*self = config_parse;
}
}
struct Ips {
ipv4: String,
ipv6base: String
}
impl Ips {
fn new() -> Ips {
Ips {
ipv4: "0.0.0.0".to_string(),
ipv6base: ":".to_string()
}
}
fn get(&mut self, ipv6_interface: &str) {
let ipv4uri = "https://am.i.mullvad.net/ip";
let ipv6uri = "https://ipv6.am.i.mullvad.net/ip";
let response = get(ipv4uri);
match response {
Ok(data) => self.ipv4 = data.text().expect("0.0.0.0").trim_end().to_owned(),
Err(e) => panic!("{:#?}", e)
}
let response = get(ipv6uri);
match response {
Ok(data) => {
let ipv6 = data.text().expect(":");
let stripped = match ipv6.strip_suffix(ipv6_interface) {
Some(string) => {string.to_string()},
None => {":".to_string()}
};
self.ipv6base = stripped;
},
Err(e) => panic!("{:#?}", e)
}
}
}
fn main() {
let mut config = DnsConfig::new();
config.load();
let mut ips = Ips::new();
ips.get(&config.ipv6_interface);
let mut created4: u16 = 0;
let mut updated4: u16 = 0;
let mut unchanged4: u16 = 0;
let mut error4: u16 = 0;
let mut created6: u16 = 0;
let mut updated6: u16 = 0;
let mut unchanged6: u16 = 0;
let mut error6: u16 = 0;
for zone in config.zones {
let mut agent = cloudflare::Instance::new(&config.api_key);
agent.load_entries(&zone.email, &zone.id);
for entry in zone.dns_entries {
let mut found4 = false;
let mut found6 = false;
for cloudflare_entry in &agent.dns_entries {
if cloudflare_entry.is_equal(&entry.name) {
if cloudflare_entry.r#type == cloudflare::CloudflareDnsType::A && entry.type4 {
found4 = true;
if cloudflare_entry.is_ip_new(&ips.ipv4) {
let success = agent.update_entry(cloudflare_entry, &ips.ipv4);
if success { updated4 += 1 } else { error4 += 1 }
}
else {
unchanged4 += 1;
}
}
if cloudflare_entry.r#type == cloudflare::CloudflareDnsType::AAAA && entry.type6 {
found6 = true;
let ipv6 = ips.ipv6base.clone() + entry.interface.as_ref().unwrap();
if cloudflare_entry.is_ip_new(&ipv6) {
let success = agent.update_entry(cloudflare_entry, &ipv6);
if success { updated6 += 1 } else { error6 += 1 }
}
else {
unchanged6 += 1;
}
}
}
//println!("{:#?}", entry.subdomain); // DEBUG
}
if !found4 && entry.type4 {
let success = agent.create_entry(&zone.id, "A", &entry.name, &ips.ipv4);
if success { created4 += 1 };
}
if !found6 && entry.type6 {
let ipv6 = ips.ipv6base.clone() + entry.interface.as_ref().unwrap();
let success = agent.create_entry(&zone.id, "AAAA", &entry.name, &ipv6);
if success { created6 += 1 };
}
}
//println!("{:#?}", zone.domain); // DEBUG
}
println!("++++A Records+++");
println!("{} created", created4);
println!("{} updated", updated4);
println!("{} unchanged", unchanged4);
println!("{} errors", error4);
println!("++AAAA Records++");
println!("{} created", created6);
println!("{} updated", updated6);
println!("{} unchanged", unchanged6);
println!("{} errors", error6);
}