node: make authenticated port configurable

cmd/utils/flags.go

@@ -520,7 +520,7 @@ var (
 	}
 	JWTSecretFlag = cli.StringFlag{
 		Name:  "jwt-secret",
-		Usage: "JWT secret to use for authenticated RPC endpoints",
+		Usage: "JWT secret (or path to a jwt secret) to use for authenticated RPC endpoints",
 	}
 	// Logging and debug settings
 	EthStatsURLFlag = cli.StringFlag{
@@ -558,6 +558,11 @@ var (
 		Usage: "HTTP-RPC server listening port",
 		Value: node.DefaultHTTPPort,
 	}
+	HTTPAuthPortFlag = cli.IntFlag{
+		Name:  "http.authport",
+		Usage: "HTTP-RPC server listening port for authenticated api's",
+		Value: node.DefaultAuthPort,
+	}
 	HTTPCORSDomainFlag = cli.StringFlag{
 		Name:  "http.corsdomain",
 		Usage: "Comma separated list of domains from which to accept cross origin requests (browser enforced)",
@@ -955,6 +960,10 @@ func setHTTP(ctx *cli.Context, cfg *node.Config) {
 		cfg.HTTPPort = ctx.GlobalInt(HTTPPortFlag.Name)
 	}
 
+	if ctx.GlobalIsSet(HTTPAuthPortFlag.Name) {
+		cfg.AuthPort = ctx.GlobalInt(HTTPAuthPortFlag.Name)
+	}
+
 	if ctx.GlobalIsSet(HTTPCORSDomainFlag.Name) {
 		cfg.HTTPCors = SplitAndTrim(ctx.GlobalString(HTTPCORSDomainFlag.Name))
 	}

node/config.go

@@ -113,6 +113,9 @@ type Config struct {
 	// for ephemeral nodes).
 	HTTPPort int `toml:",omitempty"`
 
+	// Authport is the port number on which the authenticated API is provided.
+	AuthPort int `toml:",omitempty"`
+
 	// HTTPCors is the Cross-Origin Resource Sharing header to send to requesting
 	// clients. Please be aware that CORS is a browser enforced security, it's fully
 	// useless for custom HTTP clients.
@@ -252,7 +255,7 @@ func (c *Config) HTTPEndpoint() string {
 
 // DefaultHTTPEndpoint returns the HTTP endpoint used by default.
 func DefaultHTTPEndpoint() string {
-	config := &Config{HTTPHost: DefaultHTTPHost, HTTPPort: DefaultHTTPPort}
+	config := &Config{HTTPHost: DefaultHTTPHost, HTTPPort: DefaultHTTPPort, AuthPort: DefaultAuthPort}
 	return config.HTTPEndpoint()
 }
 

node/defaults.go

@@ -34,12 +34,14 @@ const (
 	DefaultWSPort      = 8546        // Default TCP port for the websocket RPC server
 	DefaultGraphQLHost = "localhost" // Default host interface for the GraphQL server
 	DefaultGraphQLPort = 8547        // Default TCP port for the GraphQL server
+	DefaultAuthPort    = 8551        // Default port for the authenticated apis
 )
 
 // DefaultConfig contains reasonable default settings.
 var DefaultConfig = Config{
 	DataDir:             DefaultDataDir(),
 	HTTPPort:            DefaultHTTPPort,
+	AuthPort:            DefaultAuthPort,
 	HTTPModules:         []string{"net", "web3"},
 	HTTPVirtualHosts:    []string{"localhost"},
 	HTTPTimeouts:        rpc.DefaultHTTPTimeouts,

node/node.go

@@ -443,7 +443,7 @@ func (n *Node) startRPC() error {
 		}
 		// Configure authenticated HTTP (if needed).
 		if len(open) != len(all) {
-			if err := initHttp(n.httpAuth, all, 8551, jwtSecret); err != nil {
+			if err := initHttp(n.httpAuth, all, n.config.AuthPort, jwtSecret); err != nil {
 				return err
 			}
 		}
@@ -456,7 +456,7 @@ func (n *Node) startRPC() error {
 		}
 		// authenticated
 		if len(open) != len(all) {
-			if err := initWS(all, 8551, jwtSecret); err != nil {
+			if err := initWS(all, n.config.AuthPort, jwtSecret); err != nil {
 				return err
 			}
 		}