101 lines
1.9 KiB
Go
101 lines
1.9 KiB
Go
package disk
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import (
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"flag"
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"fmt"
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"io"
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"os"
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"strings"
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"github.com/mitchellh/go-homedir"
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)
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// DefaultPath is the default path where the Vault token is stored.
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const DefaultPath = "~/.vault-token"
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type Command struct {
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Path string
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}
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func (c *Command) Run(args []string) int {
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var path string
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pathDefault := DefaultPath
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if c.Path != "" {
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pathDefault = c.Path
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}
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f := flag.NewFlagSet("token-disk", flag.ContinueOnError)
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f.StringVar(&path, "path", pathDefault, "")
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f.Usage = func() { fmt.Fprintf(os.Stderr, c.Help()+"\n") }
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if err := f.Parse(args); err != nil {
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fmt.Fprintf(os.Stderr, "\n%s\n", err)
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return 1
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}
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path, err := homedir.Expand(path)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Error expanding directory: %s\n", err)
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return 1
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}
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args = f.Args()
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switch args[0] {
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case "get":
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f, err := os.Open(path)
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if os.IsNotExist(err) {
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return 0
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}
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if err != nil {
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fmt.Fprintf(os.Stderr, "%s\n", err)
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return 1
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}
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defer f.Close()
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if _, err := io.Copy(os.Stdout, f); err != nil {
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fmt.Fprintf(os.Stderr, "%s\n", err)
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return 1
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}
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case "store":
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f, err := os.Create(path)
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if err != nil {
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fmt.Fprintf(os.Stderr, "%s\n", err)
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return 1
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}
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defer f.Close()
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if _, err := io.Copy(f, os.Stdin); err != nil {
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fmt.Fprintf(os.Stderr, "%s\n", err)
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return 1
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}
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case "erase":
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if err := os.Remove(path); err != nil && !os.IsNotExist(err) {
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fmt.Fprintf(os.Stderr, "%s\n", err)
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return 1
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}
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default:
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fmt.Fprintf(os.Stderr, "Error: unknown subcommand: %s\n", args[0])
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return 1
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}
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return 0
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}
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func (c *Command) Synopsis() string {
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return "Stores Vault tokens on disk"
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}
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func (c *Command) Help() string {
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helpText := `
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Usage: vault token-disk [options] [operation]
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Vault token helper (see vault config "token_helper") that writes
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authenticated tokens to disk unencrypted.
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Options:
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-path=path Path to store the token.
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`
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return strings.TrimSpace(helpText)
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}
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