124 lines
3.5 KiB
Rust
124 lines
3.5 KiB
Rust
mod file;
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mod network;
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use file::{read_cache_file, write_cache_file};
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use human_panic::setup_panic;
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use network::{get_current_ip, get_dns_record_id, get_zone_identifier, update_ddns};
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use quicli::fs::read_file;
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use quicli::prelude::*;
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use std::path::PathBuf;
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use structopt::StructOpt;
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#[derive(Deserialize)]
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struct Config {
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email: String,
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auth_key: String,
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zone: String,
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domain: String,
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}
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#[derive(Debug, StructOpt)]
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/// Inform Cloudflare's DDNS service of the current IP address for your domain
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struct Cli {
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/// Your TOML config file containing all the required options (email, auth_key, zone, domain) which you can use instead of passing the arguments to the command line
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#[structopt(long = "config", short = "f")]
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config: Option<PathBuf>,
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/// Your Cloudflare login email
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#[structopt(long = "email", short = "e", required_unless = "config")]
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email: Option<String>,
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/// The auth key you need to generate in your Cloudflare profile
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#[structopt(long = "key", short = "k", required_unless = "config")]
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auth_key: Option<String>,
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/// The zone in which your domain is (usually that is your base domain name)
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#[structopt(long = "zone", short = "z", required_unless = "config")]
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zone: Option<String>,
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/// The domain for which you want to report the current IP address
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#[structopt(long = "domain", short = "d", required_unless = "config")]
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domain: Option<String>,
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/// Cache file for previously reported IP address (if skipped the IP will be reported on every execution)
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#[structopt(long = "cache", short = "c")]
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cache: Option<PathBuf>,
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}
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fn main() -> CliResult {
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setup_panic!();
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let args = Cli::from_args();
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let should_use_cache = args.cache.is_some();
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let cached_ip: Option<String> = match args.cache.clone() {
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Some(v) => {
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if v.exists() {
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Some(read_cache_file(&v.clone())?)
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} else {
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Some("0.0.0.0".to_owned())
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}
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}
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None => None,
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};
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let current_ip = get_current_ip()?;
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if cached_ip.is_some() && current_ip == cached_ip.unwrap() {
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println!("IP is unchanged. Exiting...");
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return Ok(());
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}
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if should_use_cache {
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println!(
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"Saving current IP {} to cache file {:?}...",
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¤t_ip,
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&args.cache.clone().unwrap()
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);
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write_cache_file(&args.cache.unwrap(), ¤t_ip)?;
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}
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let (email, auth_key, zone, domain) = match args.config {
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Some(c) => {
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let config_str = read_file(c)?;
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let config: Config = toml::from_str(&config_str)?;
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(config.email, config.auth_key, config.zone, config.domain)
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}
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None => (
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args.email.expect("Email is not set"),
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args.auth_key.expect("Auth key is not set"),
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args.zone.expect("Zone is not set"),
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args.domain.expect("Domain is not set"),
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),
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};
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update(¤t_ip, &email, &auth_key, &zone, &domain)?;
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println!(
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"Successfully updated the A record for {} to {}",
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&domain, ¤t_ip
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);
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Ok(())
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}
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fn update(
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current_ip: &str,
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email: &str,
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auth_key: &str,
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zone: &str,
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domain: &str,
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) -> Result<(), Error> {
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let zone_id = get_zone_identifier(&zone, &email, &auth_key)?;
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let record_id = get_dns_record_id(&zone_id, &domain, &email, &auth_key)?;
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update_ddns(
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¤t_ip,
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&domain,
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&zone_id,
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&record_id,
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&email,
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&auth_key,
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)?;
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Ok(())
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}
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