func allowAnyOriginHandshake(cfg *websocket.Config, req *http.Request) error {
var err error
cfg.Origin, err = websocket.Origin(cfg, req)
cfg.Header = make(http.Header)
cfg.Header.Set("Access-Control-Allow-Origin", "*")
printf("allowAnyOriginHandshake err: %v", err)
return err
}
func (server *Server) Handshake(config *ws.Config, request *http.Request) (err error) {
for _, protocol := range config.Protocol {
if protocol == "cscn" {
config.Protocol = []string{protocol}
return nil
}
}
return ws.ErrBadWebSocketProtocol
}
func checkWAMPHandshake(config *websocket.Config, req *http.Request) error {
for _, protocol := range config.Protocol {
if protocol == "wamp" {
config.Protocol = []string{protocol}
return nil
}
}
return websocket.ErrBadWebSocketProtocol
}
func (c *WebsocketClient) dialTimeout(config *websocket.Config, timeout uint) (ws *websocket.Conn, err error) {
c.logger.Debug("ConnectOnce:websocket.DialConfig:call")
defer c.logger.Debug("ConnectOnce:websocket.DialConfig:return")
// websocket.Dial() does not handle timeouts, so we use lower-level net package
// to create connection with timeout, then create ws client with the net connection.
if config.Location == nil {
return nil, websocket.ErrBadWebSocketLocation
}
if config.Origin == nil {
return nil, websocket.ErrBadWebSocketOrigin
}
var conn net.Conn
switch config.Location.Scheme {
case "ws":
conn, err = net.DialTimeout("tcp", config.Location.Host, time.Duration(timeout)*time.Second)
case "wss":
dialer := &net.Dialer{
Timeout: time.Duration(timeout) * time.Second,
}
if config.Location.Host == "localhost:8443" {
// Test uses mock ws server which uses self-signed cert which causes Go to throw
// an error like "x509: certificate signed by unknown authority". This disables
// the cert verification for testing.
config.TlsConfig = &tls.Config{
InsecureSkipVerify: true,
}
}
conn, err = tls.DialWithDialer(dialer, "tcp", config.Location.Host, config.TlsConfig)
default:
err = websocket.ErrBadScheme
}
if err != nil {
return nil, &websocket.DialError{config, err}
}
ws, err = websocket.NewClient(config, conn)
if err != nil {
return nil, err
}
return ws, nil
}