diff options
author | Dimitri Sokolyuk <demon@dim13.org> | 2018-02-13 01:17:35 +0100 |
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committer | Dimitri Sokolyuk <demon@dim13.org> | 2018-02-13 01:17:35 +0100 |
commit | c32d9bf24c3b670c3a56ea55aeefb6232f3d4ec8 (patch) | |
tree | f9891ff5b851d40c2f48c8e73e36e32197bfcc89 /sign.go | |
parent | 886201867ac7383535c08d81dbabc6c9c77fe855 (diff) |
switch to subcommands
Diffstat (limited to 'sign.go')
-rw-r--r-- | sign.go | 72 |
1 files changed, 45 insertions, 27 deletions
@@ -1,6 +1,7 @@ package main import ( + "context" "flag" "io/ioutil" "log" @@ -9,46 +10,63 @@ import ( "dim13.org/signify/b64file" "dim13.org/signify/key" "dim13.org/signify/zsig" + "github.com/google/subcommands" ) // Usage: signify -S [-ez] [-x sigfile] -s seckey -m message -func sign(args []string) error { - opts := flag.NewFlagSet("sign", flag.ExitOnError) - var ( - embedded = opts.Bool("e", false, "Embed the message") - zip = opts.Bool("z", false, "Sign gzip archive") // TODO - sigFile = opts.String("x", "", "Signature file") - secFile = opts.String("s", "", "Secret file (required)") - msgFile = opts.String("m", "", "Message file (required)") - ) - opts.Parse(args) - if *secFile == "" || *msgFile == "" { - opts.Usage() - return nil - } - if *sigFile == "" { - *sigFile = SigName(*msgFile) +type signCommand struct { + embedded bool + zip bool + sigFile string + secFile string + msgFile string +} + +func (s *signCommand) Name() string { return "sign" } +func (s *signCommand) Synopsis() string { return "sign file" } +func (s *signCommand) Usage() string { + return "sign [-ez] [-x sigfile] -s seckey -m message\n" +} + +func (s *signCommand) SetFlags(f *flag.FlagSet) { + f.BoolVar(&s.embedded, "e", false, "embed the message") + f.BoolVar(&s.zip, "z", false, "sign gzip archive") // TODO + f.StringVar(&s.sigFile, "x", "", "signature file") + f.StringVar(&s.secFile, "s", "", "secret file (required)") + f.StringVar(&s.msgFile, "m", "", "message file (required)") +} + +func (s *signCommand) Execute(ctx context.Context, f *flag.FlagSet, args ...interface{}) subcommands.ExitStatus { + if s.secFile == "" || s.msgFile == "" { + f.Usage() + return subcommands.ExitUsageError + } + if s.sigFile == "" { + s.sigFile = SigName(s.msgFile) } switch { - case *zip && *embedded: - return ErrEZ - case *zip: - if err := signGzip(*secFile, *msgFile, *sigFile); err != nil { - return err + case s.zip && s.embedded: + return subcommands.ExitUsageError + case s.zip: + if err := signGzip(s.secFile, s.msgFile, s.sigFile); err != nil { + log.Println(err) + return subcommands.ExitFailure } - case *embedded: - if err := signEmbedded(*secFile, *msgFile, *sigFile); err != nil { - return err + case s.embedded: + if err := signEmbedded(s.secFile, s.msgFile, s.sigFile); err != nil { + log.Println(err) + return subcommands.ExitFailure } default: - if err := signPlain(*secFile, *msgFile, *sigFile); err != nil { - return err + if err := signPlain(s.secFile, s.msgFile, s.sigFile); err != nil { + log.Println(err) + return subcommands.ExitFailure } } - return nil + return subcommands.ExitSuccess } func signPlain(secFile, msgFile, sigFile string) error { |