aerc/lib/crypto/gpg/writer_test.go

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package gpg
import (
"bytes"
"io"
"strings"
"testing"
"git.sr.ht/~rjarry/aerc/lib/crypto/gpg/gpgbin"
"git.sr.ht/~rjarry/aerc/models"
"github.com/emersion/go-message/textproto"
)
func init() {
forceBoundary = "foo"
}
type writerTestCase struct {
name string
method string
body string
}
func TestWriter(t *testing.T) {
initGPGtest(t)
importPublicKey()
importSecretKey()
testCases := []writerTestCase{
{
name: "Encrypt",
method: "encrypt",
body: "This is an encrypted message!\r\n",
},
{
name: "Sign",
method: "sign",
body: "This is a signed message!\r\n",
},
}
var h textproto.Header
h.Set("From", "John Doe <john.doe@example.org>")
h.Set("To", "John Doe <john.doe@example.org>")
var header textproto.Header
header.Set("Content-Type", "text/plain")
to := []string{"john.doe@example.org"}
from := "john.doe@example.org"
var err error
for _, tc := range testCases {
var (
buf bytes.Buffer
cleartext io.WriteCloser
)
switch tc.method {
case "encrypt":
cleartext, err = Encrypt(&buf, h, to, from)
if err != nil {
t.Fatalf("Encrypt() = %v", err)
}
case "sign":
cleartext, err = Sign(&buf, h, from)
if err != nil {
t.Fatalf("Encrypt() = %v", err)
}
}
if err = textproto.WriteHeader(cleartext, header); err != nil {
t.Fatalf("textproto.WriteHeader() = %v", err)
}
if _, err = io.WriteString(cleartext, tc.body); err != nil {
t.Fatalf("io.WriteString() = %v", err)
}
if err = cleartext.Close(); err != nil {
t.Fatalf("ciphertext.Close() = %v", err)
}
switch tc.method {
case "encrypt":
validateEncrypt(t, buf)
case "sign":
validateSign(t, buf)
}
}
}
func validateEncrypt(t *testing.T, buf bytes.Buffer) {
md, err := gpgbin.Decrypt(&buf)
if err != nil {
t.Errorf("Encrypt error: could not decrypt test encryption")
}
var body bytes.Buffer
io.Copy(&body, md.Body)
if s := body.String(); s != wantEncrypted {
t.Errorf("Encrypt() = \n%v\n but want \n%v", s, wantEncrypted)
}
}
func validateSign(t *testing.T, buf bytes.Buffer) {
parts := strings.Split(buf.String(), "\r\n--foo\r\n")
msg := strings.NewReader(parts[1])
sig := strings.NewReader(parts[2])
md, err := gpgbin.Verify(msg, sig)
if err != nil {
t.Fatalf("gpg.Verify() = %v", err)
}
deepEqual(t, "Sign", md, &wantSigned)
}
var wantEncrypted = toCRLF(`Content-Type: text/plain
This is an encrypted message!
`)
var wantSignedBody = toCRLF(`Content-Type: text/plain
This is a signed message!
`)
var wantSigned = models.MessageDetails{
IsEncrypted: false,
IsSigned: true,
SignedBy: "John Doe (This is a test key) <john.doe@example.org>",
SignedByKeyId: 3490876580878068068,
SignatureError: "",
DecryptedWith: "",
DecryptedWithKeyId: 0,
Body: strings.NewReader(wantSignedBody),
Micalg: "pgp-sha256",
}