1 files changed, 0 insertions, 287 deletions
diff --git a/golib/eows/eows.go b/golib/eows/eows.go
deleted file mode 100644
index 9d0b520..0000000
--- a/golib/eows/eows.go
+++ /dev/null
@@ -1,287 +0,0 @@
-// Package eows is used to Execute commands Over WebSocket
-package eows
-
-import (
-	"fmt"
-	"os"
-	"os/exec"
-	"strings"
-	"syscall"
-	"time"
-	"unsafe"
-
-	"github.com/Sirupsen/logrus"
-	"github.com/googollee/go-socket.io"
-	"github.com/kr/pty"
-)
-
-// OnInputCB is the function callback used to receive data
-type OnInputCB func(e *ExecOverWS, stdin []byte) ([]byte, error)
-
-// EmitOutputCB is the function callback used to emit data
-type EmitOutputCB func(e *ExecOverWS, stdout, stderr []byte)
-
-// EmitExitCB is the function callback used to emit exit proc code
-type EmitExitCB func(e *ExecOverWS, code int, err error)
-
-// SplitType Type of spliting method to tokenize stdout/stderr
-type SplitType uint8
-
-const (
-	// SplitLine Split line by line
-	SplitLine SplitType = iota
-	// SplitChar Split character by character
-	SplitChar
-	// SplitLineTime Split by line or until a timeout has passed
-	SplitLineTime
-	// SplitTime Split until a timeout has passed
-	SplitTime
-)
-
-// Inspired by :
-// https://github.com/gorilla/websocket/blob/master/examples/command/main.go
-
-// ExecOverWS .
-type ExecOverWS struct {
-	Cmd      string           // command name to execute
-	Args     []string         // command arguments
-	SocketIO *socketio.Socket // websocket
-	Sid      string           // websocket ID
-	CmdID    string           // command ID
-
-	// Optional fields
-	Env            []string                // command environment variables
-	CmdExecTimeout int                     // command execution time timeout
-	Log            *logrus.Logger          // logger (nil if disabled)
-	InputEvent     string                  // websocket input event name
-	InputCB        OnInputCB               // stdin callback
-	OutputCB       EmitOutputCB            // stdout/stderr callback
-	ExitCB         EmitExitCB              // exit proc callback
-	UserData       *map[string]interface{} // user data passed to callbacks
-	OutSplit       SplitType               // split method to tokenize stdout/stderr
-	LineTimeSpan   int64                   // time span (only used with SplitTime or SplitLineTime)
-	PtyMode        bool                    // Allocate a pseudo-terminal (allow to execute screen-based program)
-	PtyTermEcho    bool                    // Turn on/off terminal echo
-
-	// Private fields
-
-	proc       *os.Process
-	command    *exec.Cmd
-	ptmx       *os.File
-	procExited bool
-}
-
-var cmdIDMap = make(map[string]*ExecOverWS)
-
-// New creates a new instace of eows
-func New(cmd string, args []string, so *socketio.Socket, soID, cmdID string) *ExecOverWS {
-
-	e := &ExecOverWS{
-		Cmd:            cmd,
-		Args:           args,
-		SocketIO:       so,
-		Sid:            soID,
-		CmdID:          cmdID,
-		CmdExecTimeout: -1,            // default no timeout
-		OutSplit:       SplitLineTime, // default split by line with time
-		LineTimeSpan:   500 * time.Millisecond.Nanoseconds(),
-		PtyMode:        false,
-		PtyTermEcho:    true,
-	}
-
-	cmdIDMap[cmdID] = e
-
-	return e
-}
-
-// GetEows gets ExecOverWS object from command ID
-func GetEows(cmdID string) *ExecOverWS {
-	if _, ok := cmdIDMap[cmdID]; !ok {
-		return nil
-	}
-	return cmdIDMap[cmdID]
-}
-
-// Start executes the command and redirect stdout/stderr into a WebSocket
-func (e *ExecOverWS) Start() error {
-	var err error
-	var outr, outw, errr, errw, inr, inw *os.File
-
-	bashArgs := []string{"/bin/bash", "-c", e.Cmd + " " + strings.Join(e.Args, " ")}
-
-	// no timeout == 1 year
-	if e.CmdExecTimeout == -1 {
-		e.CmdExecTimeout = 365 * 24 * 60 * 60
-	}
-
-	e.procExited = false
-
-	if e.PtyMode {
-
-		e.command = exec.Command(bashArgs[0], bashArgs[1:]...)
-		e.command.Env = append(os.Environ(), e.Env...)
-		e.ptmx, err = pty.Start(e.command)
-		if err != nil {
-			err = fmt.Errorf("Process start error: " + err.Error())
-			goto exitErr
-		}
-		e.proc = e.command.Process
-
-		// Turn off terminal echo
-		if !e.PtyTermEcho {
-			e.terminalEcho(e.ptmx, false)
-		}
-
-	} else {
-
-		// Create pipes
-		outr, outw, err = os.Pipe()
-		if err != nil {
-			err = fmt.Errorf("Pipe stdout error: " + err.Error())
-			goto exitErr
-		}
-
-		errr, errw, err = os.Pipe()
-		if err != nil {
-			err = fmt.Errorf("Pipe stderr error: " + err.Error())
-			goto exitErr
-		}
-
-		inr, inw, err = os.Pipe()
-		if err != nil {
-			err = fmt.Errorf("Pipe stdin error: " + err.Error())
-			goto exitErr
-		}
-
-		e.proc, err = os.StartProcess(bashArgs[0], bashArgs, &os.ProcAttr{
-			Files: []*os.File{inr, outw, errw},
-			Env:   append(os.Environ(), e.Env...),
-		})
-		if err != nil {
-			err = fmt.Errorf("Process start error: " + err.Error())
-			goto exitErr
-		}
-	}
-
-	go func() {
-		stdoutDone := make(chan struct{})
-
-		if e.PtyMode {
-			// Make sure to close the pty at the end.
-			defer e.ptmx.Close()
-
-			// Handle both stdout mixed with stderr
-			go e.ptsPumpStdout(e.ptmx, stdoutDone)
-
-			// Blocking function that poll input or wait for end of process
-			e.pumpStdin(e.ptmx)
-
-		} else {
-			// Make sure to close all pipes
-			defer outr.Close()
-			defer outw.Close()
-			defer errr.Close()
-			defer errw.Close()
-			defer inr.Close()
-			defer inw.Close()
-
-			// Handle stdout + stderr
-			go e.pipePumpStdout(outr, stdoutDone)
-			go e.pipePumpStderr(errr)
-
-			// Blocking function that poll input or wait for end of process
-			e.pumpStdin(inw)
-		}
-
-		if status, err := e.proc.Wait(); err == nil {
-			// Other commands need a bonk on the head.
-			if !status.Exited() {
-				if err := e.proc.Signal(os.Interrupt); err != nil {
-					e.logError("Proc interrupt:", err)
-				}
-
-				select {
-				case <-stdoutDone:
-				case <-time.After(time.Second):
-					// A bigger bonk on the head.
-					if err := e.proc.Signal(os.Kill); err != nil {
-						e.logError("Proc term:", err)
-					}
-					<-stdoutDone
-				}
-			}
-		}
-
-		delete(cmdIDMap, e.CmdID)
-	}()
-
-	return nil
-
-exitErr:
-	for _, pf := range []*os.File{outr, outw, errr, errw, inr, inw} {
-		pf.Close()
-	}
-	return err
-}
-
-// TerminalSetSize Set terminal size
-func (e *ExecOverWS) TerminalSetSize(rows, cols uint16) error {
-	if !e.PtyMode || e.ptmx == nil {
-		return fmt.Errorf("PtyMode not set")
-	}
-	w, err := pty.GetsizeFull(e.ptmx)
-	if err != nil {
-		return err
-	}
-	return e.TerminalSetSizePos(rows, cols, w.X, w.Y)
-}
-
-// TerminalSetSizePos Set terminal size and position
-func (e *ExecOverWS) TerminalSetSizePos(rows, cols, x, y uint16) error {
-	if !e.PtyMode || e.ptmx == nil {
-		return fmt.Errorf("PtyMode not set")
-	}
-	winSz := pty.Winsize{Rows: rows, Cols: cols, X: x, Y: y}
-	return pty.Setsize(e.ptmx, &winSz)
-}
-
-/**
- * Private functions
- **/
-
-// terminalEcho Enable or disable echoing terminal input.
-// This is useful specifically for when users enter passwords.
-func (e *ExecOverWS) terminalEcho(ff *os.File, show bool) {
-	var termios = &syscall.Termios{}
-
-	fd := ff.Fd()
-
-	if _, _, err := syscall.Syscall(syscall.SYS_IOCTL, fd,
-		syscall.TCGETS, uintptr(unsafe.Pointer(termios))); err != 0 {
-		return
-	}
-
-	if show {
-		termios.Lflag |= syscall.ECHO
-	} else {
-		termios.Lflag &^= syscall.ECHO
-	}
-
-	if _, _, err := syscall.Syscall(syscall.SYS_IOCTL, fd,
-		uintptr(syscall.TCSETS),
-		uintptr(unsafe.Pointer(termios))); err != 0 {
-		return
-	}
-}
-
-func (e *ExecOverWS) logDebug(format string, a ...interface{}) {
-	if e.Log != nil {
-		e.Log.Debugf(format, a...)
-	}
-}
-
-func (e *ExecOverWS) logError(format string, a ...interface{}) {
-	if e.Log != nil {
-		e.Log.Errorf(format, a...)
-	}
-}