Implementation of certmagic as an ACME provider

api/server/acme/certmagic/certmagic.go

@@ -0,0 +1,42 @@
+// Package certmagic is the ACME provider from github.com/mholt/certmagic
+package certmagic
+
+import (
+	"net"
+
+	"github.com/mholt/certmagic"
+
+	"github.com/micro/go-micro/api/server/acme"
+)
+
+type certmagicProvider struct {
+	opts *acme.Options
+}
+
+func (c *certmagicProvider) NewListener(ACMEHosts ...string) (net.Listener, error) {
+	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)
+	}
+	return certmagic.Listen(ACMEHosts)
+}
+
+// New returns a certmagic provider
+func New(options ...acme.Option) acme.Provider {
+	o := &acme.Options{}
+	if len(options) == 0 {
+		for _, op := range acme.Default() {
+			op(o)
+		}
+	} else {
+		for _, op := range options {
+			op(o)
+		}
+	}
+	return &certmagicProvider{
+		opts: o,
+	}
+}

api/server/acme/certmagic/certmagic_test.go

@@ -0,0 +1,37 @@
+package certmagic
+
+import (
+	"testing"
+
+	"github.com/go-acme/lego/v3/providers/dns/cloudflare"
+	"github.com/micro/go-micro/api/server/acme"
+)
+
+func TestCertMagic(t *testing.T) {
+	l, err := New().NewListener()
+	if err != nil {
+		t.Error(err.Error())
+	}
+	l.Close()
+
+	c := cloudflare.NewDefaultConfig()
+	c.AuthEmail = ""
+	c.AuthKey = ""
+	c.AuthToken = "test"
+	c.ZoneToken = "test"
+
+	p, err := cloudflare.NewDNSProviderConfig(c)
+	if err != nil {
+		t.Error(err.Error())
+	}
+
+	l, err = New(acme.AcceptTLS(true),
+		acme.CA(acme.LetsEncryptStagingCA),
+		acme.ChallengeProvider(p),
+	).NewListener()
+
+	if err != nil {
+		t.Error(err.Error())
+	}
+	l.Close()
+}