Files
gokill/actions/shell_script.go

119 lines
2.3 KiB
Go

package actions
import (
"encoding/json"
"fmt"
"os/exec"
"os"
"unknown.com/gokill/internal"
)
type ShellScript struct {
Path string `json:"path"`
ActionChan ActionResultChan
}
func isExecutableFile(path string) bool {
fi, err := os.Lstat(path)
if err != nil {
return false
}
mode := fi.Mode()
//TODO: should check if current user can execute
if mode&01111 == 0 {
return false
}
return true
}
func (c ShellScript) DryExecute() {
internal.LogDoc(c).Infof("Test Executing ShellScript:\n%s", c.Path)
_, err := os.Open(c.Path)
if err != nil {
internal.LogDoc(c).Warning("Test executing Shellscript Failed.")
c.ActionChan <- err
return
}
if !isExecutableFile(c.Path) {
internal.LogDoc(c).Warning("Test executing Shellscript Failed.")
c.ActionChan <- fmt.Errorf("File is not executable: %s", c.Path)
return
}
c.ActionChan <- nil
}
func (c ShellScript) Execute() {
if !isExecutableFile(c.Path) {
internal.LogDoc(c).Warning("Executing Shellscript Failed.")
c.ActionChan <- fmt.Errorf("File is not executable: %s", c.Path)
return
}
cmd := exec.Command("/bin/sh", c.Path)
stdout, err := cmd.Output()
if err != nil {
internal.LogDoc(c).Warning("Failed to execute Shellscript")
c.ActionChan <- fmt.Errorf("Error during ShellScript execute: %s", err)
}
internal.LogDoc(c).Infof("Shellscript output:\n%s", string(stdout[:]))
c.ActionChan <- nil
}
func CreateShellScript(config internal.ActionConfig, c ActionResultChan) (ShellScript, error) {
result := ShellScript{}
err := json.Unmarshal(config.Options, &result)
if err != nil {
return ShellScript{}, err
}
if result.Path == "" {
return ShellScript{}, internal.OptionMissingError{"path"}
}
result.ActionChan = c
return result, nil
}
func (cc ShellScript) Create(config internal.ActionConfig, c ActionResultChan) (Action, error) {
return CreateShellScript(config, c)
}
func (p ShellScript) GetName() string {
return "ShellScript"
}
func (p ShellScript) GetDescription() string {
return "Executes the given shell script."
}
func (p ShellScript) GetExample() string {
return `
{
"type": "ShellScript",
"options": {
"path": "/path/to/file.sh"
}
}
`
}
func (p ShellScript) GetOptions() []internal.ConfigOption {
return []internal.ConfigOption{
{"path", "string", "path to script to execute", ""},
}
}