Option to specify TLS config for publisher (#115)

dagsync/ipnisync/option.go

@@ -1,6 +1,7 @@
 package ipnisync
 
 import (
+	"crypto/tls"
 	"fmt"
 	"time"
 
@@ -16,6 +17,7 @@ type config struct {
 	streamHost host.Host
 	requireTLS bool
 	httpAddrs  []string
+	tlsConfig  *tls.Config
 }
 
 // Option is a function that sets a value in a config.
@@ -101,6 +103,14 @@ func WithStreamHost(h host.Host) Option {
 	}
 }
 
+// WithTLSConfig sets the TLS config for the HTTP server.
+func WithTLSConfig(tlsConfig *tls.Config) Option {
+	return func(c *config) error {
+		c.tlsConfig = tlsConfig
+		return nil
+	}
+}
+
 type clientConfig struct {
 	authPeerID bool
 	streamHost host.Host

dagsync/ipnisync/publisher.go

@@ -105,6 +105,7 @@ func NewPublisher(lsys ipld.LinkSystem, privKey ic.PrivKey, options ...Option) (
 		StreamHost:        opts.streamHost,
 		ListenAddrs:       httpListenAddrs,
 		InsecureAllowHTTP: !opts.requireTLS,
+		TLSConfig:         opts.tlsConfig,
 	}
 	pub.pubHost = publisherHost