add authentication token support

gumble/client.go

@@ -105,6 +105,7 @@ func (c *Client) Connect() error {
 		Username: &c.config.Username,
 		Password: &c.config.Password,
 		Opus:     proto.Bool(true),
+		Tokens:   c.config.Tokens,
 	}
 	c.Send(protoMessage{&versionPacket})
 	c.Send(protoMessage{&authenticationPacket})
@@ -274,6 +275,14 @@ func (c *Client) Channels() Channels {
 	return c.channels
 }
 
+// Reauthenticate will resend the tokens from the connection config.
+func (c *Client) Reauthenticate() {
+	authenticationPacket := MumbleProto.Authenticate{
+		Tokens: c.config.Tokens,
+	}
+	c.Send(protoMessage{&authenticationPacket})
+}
+
 // Send will send a message to the server.
 func (c *Client) Send(message Message) error {
 	c.sendMutex.Lock()

gumble/config.go

@@ -6,9 +6,10 @@ import (
 )
 
 type Config struct {
-	Username string // client username
-	Password string // client password (usually not required)
-	Address  string // server address, including port (e.g. localhost:64738)
+	Username string   // Client username
+	Password string   // Client password (usually not required)
+	Address  string   // Server address, including port (e.g. localhost:64738)
+	Tokens   []string // Server access tokens
 
 	TlsConfig tls.Config
 	Dialer    net.Dialer