domani/src/domain/manager.rs

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use crate::domain::{self, acme, checker, config};
use crate::error::unexpected::{self, Mappable};
use crate::origin;
use crate::util;
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use std::{future, pin, sync};
use tokio_util::sync::CancellationToken;
#[derive(thiserror::Error, Debug)]
pub enum GetConfigError {
#[error("not found")]
NotFound,
#[error(transparent)]
Unexpected(#[from] unexpected::Error),
}
impl From<config::GetError> for GetConfigError {
fn from(e: config::GetError) -> GetConfigError {
match e {
config::GetError::NotFound => GetConfigError::NotFound,
config::GetError::Unexpected(e) => GetConfigError::Unexpected(e),
}
}
}
#[derive(thiserror::Error, Debug)]
pub enum GetOriginError {
#[error("not found")]
NotFound,
#[error(transparent)]
Unexpected(#[from] unexpected::Error),
}
impl From<config::GetError> for GetOriginError {
fn from(e: config::GetError) -> GetOriginError {
match e {
config::GetError::NotFound => GetOriginError::NotFound,
config::GetError::Unexpected(e) => GetOriginError::Unexpected(e),
}
}
}
#[derive(thiserror::Error, Debug)]
pub enum SyncError {
#[error("not found")]
NotFound,
#[error("already in progress")]
AlreadyInProgress,
#[error(transparent)]
Unexpected(#[from] unexpected::Error),
}
impl From<config::GetError> for SyncError {
fn from(e: config::GetError) -> SyncError {
match e {
config::GetError::NotFound => SyncError::NotFound,
config::GetError::Unexpected(e) => SyncError::Unexpected(e),
}
}
}
#[derive(thiserror::Error, Debug)]
pub enum SyncWithConfigError {
#[error("invalid url")]
InvalidURL,
#[error("invalid branch name")]
InvalidBranchName,
#[error("already in progress")]
AlreadyInProgress,
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#[error("target A/AAAA not set")]
TargetANotSet,
#[error("challenge token not set")]
ChallengeTokenNotSet,
#[error(transparent)]
Unexpected(#[from] unexpected::Error),
}
impl From<origin::store::SyncError> for SyncWithConfigError {
fn from(e: origin::store::SyncError) -> SyncWithConfigError {
match e {
origin::store::SyncError::InvalidURL => SyncWithConfigError::InvalidURL,
origin::store::SyncError::InvalidBranchName => SyncWithConfigError::InvalidBranchName,
origin::store::SyncError::AlreadyInProgress => SyncWithConfigError::AlreadyInProgress,
origin::store::SyncError::Unexpected(e) => SyncWithConfigError::Unexpected(e),
}
}
}
impl From<checker::CheckDomainError> for SyncWithConfigError {
fn from(e: checker::CheckDomainError) -> SyncWithConfigError {
match e {
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checker::CheckDomainError::TargetANotSet => SyncWithConfigError::TargetANotSet,
checker::CheckDomainError::ChallengeTokenNotSet => {
SyncWithConfigError::ChallengeTokenNotSet
}
checker::CheckDomainError::Unexpected(e) => SyncWithConfigError::Unexpected(e),
}
}
}
impl From<config::SetError> for SyncWithConfigError {
fn from(e: config::SetError) -> SyncWithConfigError {
match e {
config::SetError::Unexpected(e) => SyncWithConfigError::Unexpected(e),
}
}
}
pub type GetAcmeHttp01ChallengeKeyError = acme::manager::GetHttp01ChallengeKeyError;
//#[mockall::automock]
pub trait Manager: Sync + Send + rustls::server::ResolvesServerCert {
fn get_config(&self, domain: &domain::Name) -> Result<config::Config, GetConfigError>;
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fn get_origin(
&self,
domain: &domain::Name,
) -> Result<sync::Arc<dyn origin::Origin>, GetOriginError>;
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fn sync_cert<'mgr>(
&'mgr self,
domain: domain::Name,
) -> pin::Pin<Box<dyn future::Future<Output = Result<(), unexpected::Error>> + Send + 'mgr>>;
fn sync_with_config<'mgr>(
&'mgr self,
domain: domain::Name,
config: config::Config,
) -> pin::Pin<Box<dyn future::Future<Output = Result<(), SyncWithConfigError>> + Send + 'mgr>>;
fn get_acme_http01_challenge_key(
&self,
token: &str,
) -> Result<String, GetAcmeHttp01ChallengeKeyError>;
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fn all_domains(&self) -> Result<Vec<domain::Name>, unexpected::Error>;
}
struct ManagerImpl {
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origin_store: Box<dyn origin::store::Store>,
domain_config_store: Box<dyn config::Store>,
domain_checker: checker::DNSChecker,
acme_manager: Option<Box<dyn acme::manager::Manager>>,
}
async fn sync_origins(origin_store: &dyn origin::store::Store, canceller: CancellationToken) {
let mut interval = tokio::time::interval(tokio::time::Duration::from_secs(20 * 60));
loop {
tokio::select! {
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_ = interval.tick() => {
match origin_store.all_descrs() {
Ok(iter) => iter.into_iter(),
Err(err) => {
log::error!("Error fetching origin descriptors: {err}");
return;
}
}
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.for_each(|descr| {
if let Err(err) = origin_store.sync(descr.clone(), origin::store::Limits {}) {
log::error!("Failed to sync store for {:?}: {err}", descr);
return;
}
});
},
_ = canceller.cancelled() => return,
}
}
}
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pub fn new(
task_stack: &mut util::TaskStack<unexpected::Error>,
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origin_store: Box<dyn origin::store::Store>,
domain_config_store: Box<dyn config::Store>,
domain_checker: checker::DNSChecker,
acme_manager: Option<Box<dyn acme::manager::Manager>>,
) -> sync::Arc<dyn Manager> {
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let manager = sync::Arc::new(ManagerImpl {
origin_store,
domain_config_store,
domain_checker,
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acme_manager,
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});
task_stack.push_spawn(|canceller| {
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let manager = manager.clone();
async move { Ok(sync_origins(manager.origin_store.as_ref(), canceller).await) }
});
manager
}
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impl Manager for ManagerImpl {
fn get_config(&self, domain: &domain::Name) -> Result<config::Config, GetConfigError> {
Ok(self.domain_config_store.get(domain)?)
}
fn get_origin(
&self,
domain: &domain::Name,
) -> Result<sync::Arc<dyn origin::Origin>, GetOriginError> {
let config = self.domain_config_store.get(domain)?;
let origin = self
.origin_store
.get(config.origin_descr)
// if there's a config there should be an origin, any error here is unexpected
.or_unexpected()?;
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Ok(origin)
}
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fn sync_cert<'mgr>(
&'mgr self,
domain: domain::Name,
) -> pin::Pin<Box<dyn future::Future<Output = Result<(), unexpected::Error>> + Send + 'mgr>>
{
Box::pin(async move {
if let Some(ref acme_manager) = self.acme_manager {
acme_manager.sync_domain(domain.clone()).await?;
}
Ok(())
})
}
fn sync_with_config<'mgr>(
&'mgr self,
domain: domain::Name,
config: config::Config,
) -> pin::Pin<Box<dyn future::Future<Output = Result<(), SyncWithConfigError>> + Send + 'mgr>>
{
Box::pin(async move {
let config_hash = config
.hash()
.or_unexpected_while("calculating config hash")?;
self.domain_checker
.check_domain(&domain, &config_hash)
.await?;
self.origin_store
.sync(config.origin_descr.clone(), origin::store::Limits {})?;
self.domain_config_store.set(&domain, &config)?;
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self.sync_cert(domain).await?;
Ok(())
})
}
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fn get_acme_http01_challenge_key(
&self,
token: &str,
) -> Result<String, GetAcmeHttp01ChallengeKeyError> {
if let Some(ref acme_manager) = self.acme_manager {
return acme_manager.get_http01_challenge_key(token);
}
Err(GetAcmeHttp01ChallengeKeyError::NotFound)
}
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fn all_domains(&self) -> Result<Vec<domain::Name>, unexpected::Error> {
self.domain_config_store.all_domains()
}
}
impl rustls::server::ResolvesServerCert for ManagerImpl {
fn resolve(
&self,
client_hello: rustls::server::ClientHello<'_>,
) -> Option<sync::Arc<rustls::sign::CertifiedKey>> {
let domain = client_hello.server_name()?;
match self.acme_manager.as_ref()?.get_certificate(domain) {
Err(acme::manager::GetCertificateError::NotFound) => {
log::warn!("No cert found for domain {domain}");
Ok(None)
}
Err(acme::manager::GetCertificateError::Unexpected(err)) => Err(err),
Ok((key, cert)) => {
match rustls::sign::any_supported_type(&key.into()).or_unexpected() {
Err(err) => Err(err),
Ok(key) => Ok(Some(sync::Arc::new(rustls::sign::CertifiedKey {
cert: cert.into_iter().map(|cert| cert.into()).collect(),
key,
ocsp: None,
sct_list: None,
}))),
}
}
}
.unwrap_or_else(|err| {
log::error!("Unexpected error getting cert for domain {domain}: {err}");
None
})
}
}