69 lines
1.6 KiB
Go
69 lines
1.6 KiB
Go
// Package certmagic is the ACME provider from github.com/mholt/certmagic
|
|
package certmagic
|
|
|
|
import (
|
|
"crypto/tls"
|
|
"log"
|
|
"math/rand"
|
|
"net"
|
|
"time"
|
|
|
|
"github.com/mholt/certmagic"
|
|
|
|
"github.com/micro/go-micro/v2/api/server/acme"
|
|
)
|
|
|
|
type certmagicProvider struct {
|
|
opts acme.Options
|
|
}
|
|
|
|
// TODO: set self-contained options
|
|
func (c *certmagicProvider) setup() {
|
|
certmagic.Default.CA = c.opts.CA
|
|
if c.opts.ChallengeProvider != nil {
|
|
// Enabling DNS Challenge disables the other challenges
|
|
certmagic.Default.DNSProvider = c.opts.ChallengeProvider
|
|
}
|
|
if c.opts.OnDemand {
|
|
certmagic.Default.OnDemand = new(certmagic.OnDemandConfig)
|
|
}
|
|
if c.opts.Cache != nil {
|
|
// already validated by new()
|
|
certmagic.Default.Storage = c.opts.Cache.(certmagic.Storage)
|
|
}
|
|
// If multiple instances of the provider are running, inject some
|
|
// randomness so they don't collide
|
|
rand.Seed(time.Now().UnixNano())
|
|
randomDuration := (7 * 24 * time.Hour) + (time.Duration(rand.Intn(504)) * time.Hour)
|
|
certmagic.Default.RenewDurationBefore = randomDuration
|
|
}
|
|
|
|
func (c *certmagicProvider) Listen(hosts ...string) (net.Listener, error) {
|
|
c.setup()
|
|
return certmagic.Listen(hosts)
|
|
}
|
|
|
|
func (c *certmagicProvider) TLSConfig(hosts ...string) (*tls.Config, error) {
|
|
c.setup()
|
|
return certmagic.TLS(hosts)
|
|
}
|
|
|
|
// New returns a certmagic provider
|
|
func NewProvider(options ...acme.Option) acme.Provider {
|
|
opts := acme.DefaultOptions()
|
|
|
|
for _, o := range options {
|
|
o(&opts)
|
|
}
|
|
|
|
if opts.Cache != nil {
|
|
if _, ok := opts.Cache.(certmagic.Storage); !ok {
|
|
log.Fatal("ACME: cache provided doesn't implement certmagic's Storage interface")
|
|
}
|
|
}
|
|
|
|
return &certmagicProvider{
|
|
opts: opts,
|
|
}
|
|
}
|