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use crate::acme; use crate::args::RenewArgs; use crate::chall::Challenge; use crate::config::CertConfig; use crate::config::Config; use crate::errors::*; use crate::persist::FilePersist; use std::collections::HashSet; use std::fs; use std::process::Command; fn should_request_cert( args: &RenewArgs, config: &Config, persist: &FilePersist, cert: &CertConfig, ) -> Result<bool> { if args.force_renew { info!("{:?}: force renewing", cert.name); Ok(true) } else if let Some(existing) = persist.load_cert_info(&cert.name)? { let days_left = existing.days_left(); if days_left <= config.renew_if_days_left { info!("{:?}: existing cert is below threshold", cert.name); Ok(true) } else { info!("{:?}: cert already satisfied", cert.name); Ok(false) } } else { info!("{:?}: creating new cert", cert.name); Ok(true) } } fn execute_hooks(hooks: &[String], dry_run: bool) -> Result<()> { for exec in hooks { if dry_run { info!("executing hook: {:?} (dry run)", exec); } else { info!("executing hook: {:?}", exec); let status = Command::new("sh") .arg("-c") .arg(exec) .status() .context("Failed to spawn shell for hook")?; if !status.success() { error!("Failed to execute hook: {:?}", exec); } } } Ok(()) } fn renew_cert( args: &RenewArgs, config: &Config, persist: &FilePersist, cert: &CertConfig, ) -> Result<()> { let mut challenge = Challenge::new(&config); let request_cert = should_request_cert(&args, &config, &persist, &cert)?; if request_cert && args.dry_run { info!("renewing {:?} (dry run)", cert.name); execute_hooks(&cert.exec, args.skip_restarts)?; } else if request_cert { info!("renewing {:?}", cert.name); acme::request( persist.clone(), &mut challenge, &acme::Request { account_email: config.acme_email.as_deref(), acme_url: &config.acme_url, primary_name: &cert.name, alt_names: &cert.dns_names, }, ) .with_context(|| anyhow!("Fail to get certificate {:?}", cert.name))?; challenge.cleanup()?; execute_hooks(&cert.exec, args.skip_restarts)?; } Ok(()) } fn cleanup_certs(persist: &FilePersist, dry_run: bool) -> Result<()> { let live = persist .list_live_certs() .context("Failed to list live certificates")?; for (version, name) in &live { debug!("cert used in live: {:?} -> {:?}", name, version); } let cert_list = persist .list_certs() .context("Failed to list certificates")?; for (path, name, cert) in cert_list { if cert.days_left() >= 0 { debug!("cert {:?} is still valid, keeping it around", name); } else { if live.contains_key(&name) { debug!("cert {:?} is expired by still live, skipping", name); continue; } if dry_run { debug!( "cert {:?} is expired, would delete but dry run is enabled", name ); } else { info!("cert {:?} is expired, deleting...", name); if let Err(err) = fs::remove_dir_all(&path) { error!("Failed to delete {:?}: {:#}", name, err); } } } } Ok(()) } pub fn run(config: Config, mut args: RenewArgs) -> Result<()> { let persist = FilePersist::new(&config); let filter = args.certs.drain(..).collect::<HashSet<_>>(); for cert in config.filter_certs(&filter) { if let Err(err) = renew_cert(&args, &config, &persist, &cert) { error!("Failed to renew ({:?}): {:#}", cert.name, err); } } cleanup_certs(&persist, args.dry_run).context("Failed to cleanup old certs")?; Ok(()) }