Method RecipientV1

plugin/plugin.go:182–350

RecipientV1 implements the recipient-v1 state machine. It returns an exit code to pass to os.Exit. Most plugins should call [Plugin.Main] instead of this method.

()

//
// Most plugins should call [Plugin.Main] instead of this method.
func (p *Plugin) RecipientV1() int {
	if p.recipient == nil && p.idAsRecipient == nil {
		return p.fatalf("recipient-v1 not supported")
	}

	var recipientStrings, identityStrings []string
	var fileKeys [][]byte
	var supportsLabels bool

	p.sr = format.NewStanzaReader(bufio.NewReader(p.stdin))
ReadLoop:
	for {
		s, err := p.sr.ReadStanza()
		if err != nil {
			return p.fatalf("failed to read stanza: %v", err)
		}

		switch s.Type {
		case "add-recipient":
			if err := expectStanzaWithNoBody(s, 1); err != nil {
				return p.fatalf("%v", err)
			}
			recipientStrings = append(recipientStrings, s.Args[0])
		case "add-identity":
			if err := expectStanzaWithNoBody(s, 1); err != nil {
				return p.fatalf("%v", err)
			}
			identityStrings = append(identityStrings, s.Args[0])
		case "extension-labels":
			if err := expectStanzaWithNoBody(s, 0); err != nil {
				return p.fatalf("%v", err)
			}
			supportsLabels = true
		case "wrap-file-key":
			if err := expectStanzaWithBody(s, 0); err != nil {
				return p.fatalf("%v", err)
			}
			fileKeys = append(fileKeys, s.Body)
		case "done":
			if err := expectStanzaWithNoBody(s, 0); err != nil {
				return p.fatalf("%v", err)
			}
			break ReadLoop
		default:
			// Unsupported stanzas in uni-directional phases are ignored.
		}
	}

	if len(recipientStrings)+len(identityStrings) == 0 {
		return p.fatalf("no recipients or identities provided")
	}
	if len(fileKeys) == 0 {
		return p.fatalf("no file keys provided")
	}

	var recipients, identities []age.Recipient
	for i, s := range recipientStrings {
		name, data, err := ParseRecipient(s)