/*
* API Reference: https://api.gandi.net/docs/livedns/
+ *
* Some similar implementations:
* - https://github.com/rmarchant/gandi-ddns/blob/master/gandi_ddns.py
* - https://github.com/brianhp2/gandi-automatic-dns
*
- * TODO:
- * - Log to stdout with (at least) timestamps.
- * - Renew function.
*/
#![cfg_attr(debug_assertions, allow(unused_variables, unused_imports, dead_code))]
-use std::{ fs::File, net::{ IpAddr, Ipv4Addr }, thread, time };
-use ron::{ de::from_reader, ser::to_writer };
-use serde::{ Deserialize, Serialize };
+use std::{ net::{ IpAddr, Ipv4Addr }, thread, time };
use serde_json::{ Value, json };
-// A generic result of type 'T'.
-type Result<T> = std::result::Result<T, Box<dyn std::error::Error>>;
-
-#[derive(Debug)]
-struct Error {
- message: String
-}
+mod error;
+mod config;
-impl std::fmt::Display for Error {
- fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
- write!(f, "Error: {}", &self.message)
- }
-}
-
-impl std::error::Error for Error { }
-
-#[derive(Debug, Clone, Deserialize, Serialize)]
-struct Config {
- delay_between_check: time::Duration,
- api_key: String,
- fqdn: String,
- domains: Vec<String>,
- ttl: i32
-}
-
-impl Config {
- fn default() -> Self {
- Config { delay_between_check: time::Duration::from_secs(120), api_key: String::from(""), fqdn: String::from(""), domains: Vec::new(), ttl: 300 }
- }
-
- fn read(file_path: &str) -> Result<Config> {
- match File::open(file_path) {
- Ok(file) => from_reader(file).map_err(|e| e.into()),
- // The file doesn't exit -> create it with default values.
- Err(_) => {
- let file = File::create(file_path)?;
- let default_config = Config::default();
- to_writer(file, &default_config)?;
- Ok(default_config)
- }
- }
- }
-}
+use crate::error::{ Result, Error };
+use crate::config::Config;
const FILE_CONF: &str = "config.ron";
fn main() -> Result<()> {
-
- println!("GANDI DynDNS");
+ println!("=== GANDI LiveDNS updater ===");
let config = Config::read(FILE_CONF)?;
loop {
let time_beginning_loop = time::Instant::now();
- if let Err(err) = check_and_update_dns(&config.api_key, &config.fqdn, &config.domains, config.ttl) {
- println!("!! Error: {}", err);
+ if let Err(err) = check_and_update_dns(&config.api_key, &config.domains, config.ttl) {
+ println!("!! {}", err);
}
let elapsed = time::Instant::now() - time_beginning_loop;
}
}
-fn check_and_update_dns(api_key: &str, fqdn: &str, domains: &Vec<String>, ttl: i32) -> Result<()> {
+fn check_and_update_dns(api_key: &str, domains: &Vec<(String, String)>, ttl: i32) -> Result<()> {
let real_ip = get_real_ip()?;
- for domain in domains {
- let current_ip = get_current_record_ip(api_key, domain, fqdn)?;
+ for (hostname, domain) in domains {
+ let current_ip = get_current_record_ip(api_key, hostname, domain)?;
if real_ip != current_ip {
println!("IP addresses don't match for domain {}: real = {}, dns = {}. Renewing DNS...", domain, real_ip, current_ip);
- update_record_ip(api_key, domain, fqdn, real_ip, ttl)?;
+ update_record_ip(api_key, hostname, domain, real_ip, ttl)?;
println!("Renewing of {} successfully", domain);
}
}
}
fn get_real_ip() -> Result<Ipv4Addr> {
-
let url = "https://api.ipify.org";
let client = reqwest::blocking::Client::new();
Ok(resp) =>
if resp.status().is_success() {
let content = resp.text().unwrap();
- match content.parse::<IpAddr>() {
+ match content.parse() {
Ok(IpAddr::V4(ip_v4)) => Ok(ip_v4),
_ => Err(Box::new(Error { message: String::from("Can't parse IPv4 from ipify") }))
}
} else {
- Err(Box::new(Error { message: format!("Request unsuccessful: {:#?}", resp) }))
+ Err(Box::new(Error { message: format!("Request unsuccessful to {}: {:#?}", url, resp) }))
},
Err(error) => {
- Err(Box::new(Error { message: format!("Error during request: {:?}", error) }))
+ Err(Box::new(Error { message: format!("Error during request to {}: {:?}", url, error) }))
}
}
}
-enum Method {
- Put(String),
- Get
-}
-
-fn request_livedns_gandi(api_key: &str, url_fragment: &str, method: Method) -> Result<Value> {
- let url = format!("https://api.gandi.net/v5/livedns/{}", url_fragment);
- let client = reqwest::blocking::Client::new();
-
- let request_builder =
- match method {
- Method::Put(body) => client.put(url).body(body),
- Method::Get => client.get(url)
- };
-
- match request_builder.header("Authorization", format!("Apikey {}", api_key)).send() {
- Ok(resp) =>
- if resp.status().is_success() {
- let content = resp.text().unwrap();
- Ok(serde_json::from_str(&content).unwrap())
- } else {
- Err(Box::new(Error { message: format!("Request unsuccessful: {:#?}", resp) }))
- },
- Err(error) =>
- Err(Box::new(Error { message: format!("Error during request: {:?}", error) }))
- }
-}
-
fn get_current_record_ip(api_key: &str, name: &str, fqdn: &str) -> Result<Ipv4Addr> {
let json_value = request_livedns_gandi(api_key, &format!("domains/{}/records/{}/A", fqdn, name), Method::Get)?;
Ok(())
}
+
+enum Method {
+ Put(String),
+ Get
+}
+
+fn request_livedns_gandi(api_key: &str, url_fragment: &str, method: Method) -> Result<Value> {
+ let url = format!("https://api.gandi.net/v5/livedns/{}", url_fragment);
+ let client = reqwest::blocking::Client::new();
+
+ let request_builder =
+ match method {
+ Method::Put(body) => client.put(&url).body(body),
+ Method::Get => client.get(&url)
+ };
+
+ match request_builder.header("Authorization", format!("Apikey {}", api_key)).send() {
+ Ok(resp) =>
+ if resp.status().is_success() {
+ let content = resp.text().unwrap();
+ Ok(serde_json::from_str(&content).unwrap())
+ } else {
+ Err(Box::new(Error { message: format!("Request unsuccessful to {}: {:#?}", &url, resp) }))
+ },
+ Err(error) =>
+ Err(Box::new(Error { message: format!("Error during request to {}: {:?}", &url, error) }))
+ }
+}
projects / gandi_dns_update.git / blobdiff