go-xmpp/xmpp_transport.go
2019-10-28 16:38:10 +01:00

62 lines
1.2 KiB
Go

package xmpp
import (
"crypto/tls"
"net"
"time"
)
// XMPPTransport implements the XMPP native TCP transport
type XMPPTransport struct {
Config TransportConfiguration
TLSConfig *tls.Config
// TCP level connection / can be replaced by a TLS session after starttls
conn net.Conn
}
func (t *XMPPTransport) Connect(address string) error {
var err error
t.conn, err = net.DialTimeout("tcp", address, time.Duration(t.Config.ConnectTimeout)*time.Second)
return err
}
func (t XMPPTransport) DoesStartTLS() bool {
return true
}
func (t *XMPPTransport) StartTLS(domain string) error {
if t.Config.TLSConfig == nil {
t.Config.TLSConfig = &tls.Config{}
}
if t.Config.TLSConfig.ServerName == "" {
t.Config.TLSConfig.ServerName = domain
}
tlsConn := tls.Client(t.conn, t.TLSConfig)
// We convert existing connection to TLS
if err := tlsConn.Handshake(); err != nil {
return err
}
if !t.TLSConfig.InsecureSkipVerify {
if err := tlsConn.VerifyHostname(domain); err != nil {
return err
}
}
return nil
}
func (t XMPPTransport) Read(p []byte) (n int, err error) {
return t.conn.Read(p)
}
func (t XMPPTransport) Write(p []byte) (n int, err error) {
return t.conn.Write(p)
}
func (t XMPPTransport) Close() error {
return t.conn.Close()
}