package gpg import ( "bytes" "io" "log" "os/exec" "git.sr.ht/~rjarry/aerc/lib/crypto/gpg/gpgbin" "git.sr.ht/~rjarry/aerc/models" "github.com/ProtonMail/go-crypto/openpgp" "github.com/emersion/go-message/mail" ) // Mail satisfies the PGPProvider interface in aerc type Mail struct { logger *log.Logger } func (m *Mail) Init(l *log.Logger) error { m.logger = l _, err := exec.LookPath("gpg") return err } func (m *Mail) Decrypt(r io.Reader, decryptKeys openpgp.PromptFunction) (*models.MessageDetails, error) { gpgReader, err := Read(r) if err != nil { return nil, err } md := gpgReader.MessageDetails md.SignatureValidity = models.Valid if md.SignatureError != "" { md.SignatureValidity = handleSignatureError(md.SignatureError) } return md, nil } func (m *Mail) ImportKeys(r io.Reader) error { return gpgbin.Import(r) } func (m *Mail) Encrypt(buf *bytes.Buffer, rcpts []string, signer string, decryptKeys openpgp.PromptFunction, header *mail.Header) (io.WriteCloser, error) { return Encrypt(buf, header.Header.Header, rcpts, signer) } func (m *Mail) Sign(buf *bytes.Buffer, signer string, decryptKeys openpgp.PromptFunction, header *mail.Header) (io.WriteCloser, error) { return Sign(buf, header.Header.Header, signer) } func (m *Mail) Close() {} func (m *Mail) GetSignerKeyId(s string) (string, error) { return gpgbin.GetPrivateKeyId(s) } func (m *Mail) GetKeyId(s string) (string, error) { return gpgbin.GetKeyId(s) } func (m *Mail) ExportKey(k string) (io.Reader, error) { return gpgbin.ExportPublicKey(k) } func handleSignatureError(e string) models.SignatureValidity { if e == "gpg: missing public key" { return models.UnknownEntity } if e == "gpg: header hash does not match actual sig hash" { return models.MicalgMismatch } return models.UnknownValidity }