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commands.go
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commands.go
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package commands
import (
"fmt"
"github.com/mgutz/ansi"
"github.com/trntv/sshed/host"
"github.com/trntv/sshed/keychain"
"github.com/trntv/sshed/ssh"
"github.com/urfave/cli"
"gopkg.in/AlecAivazis/survey.v1"
"io/ioutil"
"os"
"os/exec"
"os/user"
"runtime"
"sort"
"strings"
)
type Commands struct {
bin string
}
type options struct {
verbose bool
}
func RegisterCommands(app *cli.App) {
commands := &Commands{}
beforeFunc := app.Before
app.Before = func(context *cli.Context) error {
err := beforeFunc(context)
if err != nil {
return err
}
commands.bin = context.String("bin")
if keychain.Bootstrapped == false {
fmt.Println("Creating keychain...")
var encrypt bool
err = survey.AskOne(&survey.Confirm{
Message: "Protect keychain with password?",
Default: false,
}, &encrypt, nil)
if encrypt == true {
key := commands.askPassword()
err = keychain.EncryptDatabase(key)
if err != nil {
return err
}
}
return nil
}
if keychain.Encrypted == true {
key := commands.askPassword()
keychain.Password = key
}
return nil
}
app.Commands = []cli.Command{
commands.newShowCommand(),
commands.newListCommand(),
commands.newAddCommand(),
commands.newRemoveCommand(),
commands.newToCommand(),
commands.newAtCommand(),
commands.newEncryptCommand(),
commands.newConfigCommand(),
}
}
func (cmds *Commands) completeWithServers() {
hosts := ssh.Config.GetAll()
for key := range hosts {
fmt.Println(key)
}
}
func (cmds *Commands) askPassword() string {
key := ""
prompt := &survey.Password{
Message: "Please type your password:",
}
survey.AskOne(prompt, &key, nil)
return key
}
func (cmds *Commands) askServerKey() (string, error) {
var key string
options := make([]string, 0)
srvs := ssh.Config.GetAll()
for key := range srvs {
options = append(options, key)
}
sort.Strings(options)
prompt := &survey.Select{
Message: "Choose server:",
Options: options,
PageSize: 16,
}
err := survey.AskOne(prompt, &key, survey.Required)
return key, err
}
func (cmds *Commands) askServersKeys() ([]string, error) {
var keys []string
options := make([]string, 0)
srvs := ssh.Config.GetAll()
for _, h := range srvs {
options = append(options, h.Key)
}
sort.Strings(options)
prompt := &survey.MultiSelect{
Message: "Choose servers:",
Options: options,
PageSize: 16,
}
err := survey.AskOne(prompt, &keys, survey.Required)
return keys, err
}
func (cmds *Commands) createCommand(c *cli.Context, srv *host.Host, options *options, command string) (cmd *exec.Cmd, err error) {
var username string
if srv.User == "" {
u, err := user.Current()
if err != nil {
return nil, err
}
username = u.Username
} else {
username = srv.User
}
var args = make([]string, 0)
if srv.Password() != "" {
args = []string{
"sshpass",
fmt.Sprintf("-p %s", srv.Password()),
}
}
args = append(args, cmds.bin)
args = append(args, fmt.Sprintf("-F %s", ssh.Config.Path))
if pk := srv.PrivateKey(); pk != "" {
tf, err := ioutil.TempFile("", "")
defer os.Remove(tf.Name())
defer tf.Close()
if err != nil {
return nil, err
}
_, err = tf.Write([]byte(pk))
if err != nil {
return nil, err
}
err = tf.Chmod(os.FileMode(0600))
if err != nil {
return nil, err
}
srv.IdentityFile = tf.Name()
}
if srv.User != "" {
args = append(args, fmt.Sprintf("%s@%s", username, srv.Hostname))
} else {
args = append(args, fmt.Sprintf("%s", srv.Hostname))
}
if srv.Port != "" {
args = append(args, fmt.Sprintf("-p %s", srv.Port))
}
if srv.IdentityFile != "" {
args = append(args, fmt.Sprintf("-i %s", srv.IdentityFile))
}
if options.verbose == true {
args = append(args, "-v")
}
if command != "" {
args = append(args, command)
}
if options.verbose == true {
fmt.Printf("%s: %s\r\n", ansi.Color("Executing", "green"), strings.Join(args, " "))
}
if runtime.GOOS == "windows" {
cmd = exec.Command("cmd", "/C", strings.Join(args, " "))
} else {
cmd = exec.Command("sh", "-c", strings.Join(args, " "))
}
cmd.Stderr = os.Stderr
cmd.Stdin = os.Stdin
cmd.Stdout = os.Stdout
return cmd, err
}