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also configure acme validation with http-01, and fix a bug that caused tls cert refresh at startup to not always run

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we already do acme tls-alpn-01 validation, and still require it (we could relax
this at some point). http-01 is easy to add.

the bug was that the list of acme managers and hosts to refresh was overwritten
by another listener. the listeners are a map, and we range over it, so the
order we handle them is random. if the public listener was handled first, and
an internal handler later, the list was reset again.
This commit is contained in:
Mechiel Lukkien
2023-03-10 17:55:37 +01:00
parent f60ad1452f
commit bddc8e4062
3 changed files with 28 additions and 15 deletions
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14
autotls/autotls.go
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@ -2,11 +2,9 @@
// requesting certificates with ACME, typically from Let's Encrypt.
package autotls
// We only do tls-alpn-01. For http-01, we would have to start another
// listener. For DNS we would need a third party tool with an API that can make
// the DNS changes, as we don't want to link in dozens of bespoke API's for DNS
// record manipulation into mox. We can do http-01 relatively easily. It could
// be useful to not depend on a single mechanism.
// We do tls-alpn-01, and also http-01. For DNS we would need a third party tool
// with an API that can make the DNS changes, as we don't want to link in dozens of
// bespoke API's for DNS record manipulation into mox.
import (
"bytes"
@ -272,6 +270,12 @@ func (m *Manager) HostPolicy(ctx context.Context, host string) (rerr error) {
default:
}
xhost, _, err := net.SplitHostPort(host)
if err == nil {
// For http-01, host may include a port number.
host = xhost
}
d, err := dns.ParseDomain(host)
if err != nil {
return fmt.Errorf("invalid host: %v", err)