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edit.go
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edit.go
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package main
import (
"fmt"
"io/ioutil"
"os"
"os/exec"
"github.com/karimsa/secrets"
"github.com/urfave/cli/v2"
)
var cmdEdit = &cli.Command{
Name: "edit",
Usage: "Edit a file with encrypted values",
Flags: []cli.Flag{
inFlag,
formatFlag,
strategyFlag,
passphraseFlag,
keyFlag,
keyFileFlag,
&cli.StringFlag{
Name: "editor",
Usage: "Text editor to open for temporary file",
EnvVars: []string{"EDITOR"},
Value: "vi",
},
flagLogLevel,
},
Action: func(ctx *cli.Context) error {
format := ctx.String("format")
inPath := ctx.String("in")
editor := ctx.String("editor")
securePaths, err := getInputPaths(ctx)
if err != nil {
return err
}
if format == "" {
format = getFormatFromPath(inPath)
}
inFile, err := os.OpenFile(inPath, os.O_RDONLY, 0)
if err != nil {
return err
}
cipher, err := getCipher(ctx)
if err != nil {
return err
}
envFile, err := secrets.Open(secrets.OpenEnvOptions{
Format: format,
Reader: inFile,
Cipher: cipher,
SecurePaths: securePaths,
})
if err != nil {
return err
}
// Create temporary version for user edits
tmp, err := ioutil.TempFile("/tmp", "*")
if err != nil {
return fmt.Errorf("failed to create temporary file for editing: %s", err)
}
defer os.Remove(tmp.Name())
buff, err := envFile.UnsafeRawExport(format)
if err != nil {
return err
}
_, err = tmp.Write(buff)
if err != nil {
return err
}
err = tmp.Sync()
if err != nil {
return err
}
cmd := exec.Command("/bin/sh", "-c", fmt.Sprintf("%s %s", editor, tmp.Name()))
cmd.Stdin = os.Stdin
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
err = cmd.Run()
if err != nil {
return err
}
editFile, err := os.OpenFile(tmp.Name(), os.O_RDONLY, 0)
if err != nil {
return err
}
err = envFile.UpdateFrom(format, editFile)
if err != nil {
return err
}
return envFile.ExportFile(format, inPath, os.O_RDWR)
},
}