Add --daemon-ca-path argument and establish HTTPS connection if specified.

server/args.go

@@ -27,6 +27,7 @@ type Args struct {
 	DBPath              string
 	Chain               *string
 	DaemonURL           *url.URL
+	DaemonCAPath        string
 	EsHost              string
 	EsPort              int
 	PrometheusPort      int
@@ -230,6 +231,7 @@ func ParseArgs(searchRequest *pb.SearchRequest) *Args {
 	chain := parser.Selector("", "chain", []string{chaincfg.MainNetParams.Name, chaincfg.TestNet3Params.Name, chaincfg.RegressionNetParams.Name, "testnet"},
 		&argparse.Options{Required: false, Help: "Which chain to use, default is 'mainnet'. Values 'regtest' and 'testnet' are for testing", Default: chaincfg.MainNetParams.Name})
 	daemonURLStr := parser.String("", "daemon-url", &argparse.Options{Required: false, Help: "URL for rpc to lbrycrd or lbcd, <rpcuser>:<rpcpassword>@<lbcd rpc ip><lbrcd rpc port>.", Validate: validateURL, Default: defaultDaemonURL})
+	daemonCAPath := parser.String("", "daemon-ca-path", &argparse.Options{Required: false, Help: "Path to the lbcd CA file. Use SSL certificate to verify connection to lbcd."})
 	esHost := parser.String("", "eshost", &argparse.Options{Required: false, Help: "elasticsearch host", Default: DefaultEsHost})
 	esPort := parser.Int("", "esport", &argparse.Options{Required: false, Help: "elasticsearch port", Default: DefaultEsPort})
 	prometheusPort := parser.Int("", "prometheus-port", &argparse.Options{Required: false, Help: "prometheus port", Default: DefaultPrometheusPort})
@@ -303,6 +305,7 @@ func ParseArgs(searchRequest *pb.SearchRequest) *Args {
 		DBPath:              *dbPath,
 		Chain:               chain,
 		DaemonURL:           daemonURL,
+		DaemonCAPath:        *daemonCAPath,
 		EsHost:              *esHost,
 		EsPort:              *esPort,
 		PrometheusPort:      *prometheusPort,

server/server.go

@@ -9,6 +9,7 @@ import (
 	"fmt"
 	"hash"
 	"io"
+	"io/ioutil"
 	golog "log"
 	"net"
 	"net/http"
@@ -291,6 +292,13 @@ func MakeHubServer(grp *stop.Group, args *Args) *Server {
 
 	var lbcdClient *lbcd.Client = nil
 	if args.DaemonURL != nil {
+		var rpcCertificate []byte
+		if args.DaemonCAPath != "" {
+			rpcCertificate, err = ioutil.ReadFile(args.DaemonCAPath)
+			if err != nil {
+				log.Fatalf("failed to read SSL certificate from path: %v", args.DaemonCAPath)
+			}
+		}
 		log.Warnf("connecting to lbcd daemon at %v...", args.DaemonURL.Host)
 		password, _ := args.DaemonURL.User.Password()
 		cfg := &lbcd.ConnConfig{
@@ -298,11 +306,12 @@ func MakeHubServer(grp *stop.Group, args *Args) *Server {
 			User:         args.DaemonURL.User.Username(),
 			Pass:         password,
 			HTTPPostMode: true,
-			DisableTLS:   true,
+			DisableTLS:   rpcCertificate == nil,
+			Certificates: rpcCertificate,
 		}
 		lbcdClient, err = lbcd.New(cfg, nil)
 		if err != nil {
-			log.Fatalf("lbcd connection failed: %v", err)
+			log.Fatalf("lbcd daemon connection failed: %v", err)
 		}
 	}