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AUTH-1511: Add custom headers for ssh command

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This commit is contained in:
Austin Cherry
2019-02-07 10:56:33 -06:00
parent c9f1c1ec70
commit 92defa26d4
5 changed files with 50 additions and 13 deletions
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19
carrier/carrier.go
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@@ -34,13 +34,13 @@ func (c *StdinoutStream) Write(p []byte) (int, error) {
// StartClient will copy the data from stdin/stdout over a WebSocket connection
// to the edge (originURL)
func StartClient(logger *logrus.Logger, originURL string, stream io.ReadWriter) error {
return serveStream(logger, originURL, stream)
func StartClient(logger *logrus.Logger, originURL string, stream io.ReadWriter, headers http.Header) error {
return serveStream(logger, originURL, stream, headers)
}
// StartServer will setup a server on a specified port and copy data over a WebSocket connection
// to the edge (originURL)
func StartServer(logger *logrus.Logger, address, originURL string, shutdownC <-chan struct{}) error {
func StartServer(logger *logrus.Logger, address, originURL string, shutdownC <-chan struct{}, headers http.Header) error {
listener, err := net.Listen("tcp", address)
if err != nil {
logger.WithError(err).Error("failed to start forwarding server")
@@ -56,20 +56,20 @@ func StartServer(logger *logrus.Logger, address, originURL string, shutdownC <-c
if err != nil {
return err
}
go serveConnection(logger, conn, originURL)
go serveConnection(logger, conn, originURL, headers)
}
}
}
// serveConnection handles connections for the StartServer call
func serveConnection(logger *logrus.Logger, c net.Conn, originURL string) {
func serveConnection(logger *logrus.Logger, c net.Conn, originURL string, headers http.Header) {
defer c.Close()
serveStream(logger, originURL, c)
serveStream(logger, originURL, c, headers)
}
// serveStream will serve the data over the WebSocket stream
func serveStream(logger *logrus.Logger, originURL string, conn io.ReadWriter) error {
wsConn, err := createWebsocketStream(originURL)
func serveStream(logger *logrus.Logger, originURL string, conn io.ReadWriter, headers http.Header) error {
wsConn, err := createWebsocketStream(originURL, headers)
if err != nil {
logger.WithError(err).Errorf("failed to connect to %s\n", originURL)
return err
@@ -84,11 +84,12 @@ func serveStream(logger *logrus.Logger, originURL string, conn io.ReadWriter) er
// createWebsocketStream will create a WebSocket connection to stream data over
// It also handles redirects from Access and will present that flow if
// the token is not present on the request
func createWebsocketStream(originURL string) (*websocket.Conn, error) {
func createWebsocketStream(originURL string, headers http.Header) (*websocket.Conn, error) {
req, err := http.NewRequest(http.MethodGet, originURL, nil)
if err != nil {
return nil, err
}
req.Header = headers
wsConn, resp, err := websocket.ClientConnect(req, nil)
if err != nil && resp != nil && resp.StatusCode > 300 {