/
attach.go
68 lines (58 loc) · 1.51 KB
/
attach.go
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//
// Copyright (c) 2019-2021 Red Hat, Inc.
// This program and the accompanying materials are made
// available under the terms of the Eclipse Public License 2.0
// which is available at https://www.eclipse.org/legal/epl-2.0/
//
// SPDX-License-Identifier: EPL-2.0
//
// Contributors:
// Red Hat, Inc. - initial API and implementation
//
package websocket
import (
"errors"
"net/http"
"strconv"
"github.com/eclipse-che/che-machine-exec/auth"
"github.com/eclipse-che/che-machine-exec/common/rest"
"github.com/eclipse-che/che-machine-exec/exec"
"github.com/gin-gonic/gin"
"github.com/gorilla/websocket"
"github.com/sirupsen/logrus"
)
var (
upgrader = websocket.Upgrader{
CheckOrigin: func(r *http.Request) bool {
return true
},
}
)
func HandleAttach(c *gin.Context) {
if auth.IsEnabled() {
_, err := auth.Authenticate(c)
if err != nil {
rest.WriteErrorResponse(c, err)
return
}
}
if err := doAttach(c.Writer, c.Request, c.Param("id")); err != nil {
c.JSON(c.Writer.Status(), err.Error())
}
}
func doAttach(w http.ResponseWriter, r *http.Request, idParam string) error {
id, err := strconv.Atoi(idParam)
if err != nil {
return errors.New("failed to parse id")
}
wsConn, err := upgrader.Upgrade(w, r, nil)
if err != nil {
logrus.Errorln("Unable to upgrade connection to ws-conn " + err.Error())
return err
}
if err = exec.GetExecManager().Attach(id, wsConn); err != nil {
logrus.Errorln("Attach to exec", strconv.Itoa(id), " failed. Cause: ", err.Error())
return err
}
return nil
}