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forgejo/services/mailer/incoming/incoming_test.go
KN4CK3R fc037b4b82
Add support for incoming emails (#22056)
closes #13585
fixes #9067
fixes #2386
ref #6226
ref #6219
fixes #745

This PR adds support to process incoming emails to perform actions.
Currently I added handling of replies and unsubscribing from
issues/pulls. In contrast to #13585 the IMAP IDLE command is used
instead of polling which results (in my opinion 😉) in cleaner code.

Procedure:
- When sending an issue/pull reply email, a token is generated which is
present in the Reply-To and References header.
- IMAP IDLE waits until a new email arrives
- The token tells which action should be performed

A possible signature and/or reply gets stripped from the content.

I added a new service to the drone pipeline to test the receiving of
incoming mails. If we keep this in, we may test our outgoing emails too
in future.

Co-authored-by: silverwind <me@silverwind.io>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
2023-01-14 23:57:10 +08:00

138 lines
3.4 KiB
Go

// Copyright 2023 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package incoming
import (
"strings"
"testing"
"github.com/jhillyerd/enmime"
"github.com/stretchr/testify/assert"
)
func TestIsAutomaticReply(t *testing.T) {
cases := []struct {
Headers map[string]string
Expected bool
}{
{
Headers: map[string]string{},
Expected: false,
},
{
Headers: map[string]string{
"Auto-Submitted": "no",
},
Expected: false,
},
{
Headers: map[string]string{
"Auto-Submitted": "yes",
},
Expected: true,
},
{
Headers: map[string]string{
"X-Autoreply": "no",
},
Expected: false,
},
{
Headers: map[string]string{
"X-Autoreply": "yes",
},
Expected: true,
},
{
Headers: map[string]string{
"X-Autorespond": "yes",
},
Expected: true,
},
}
for _, c := range cases {
b := enmime.Builder().
From("Dummy", "dummy@gitea.io").
To("Dummy", "dummy@gitea.io")
for k, v := range c.Headers {
b = b.Header(k, v)
}
root, err := b.Build()
assert.NoError(t, err)
env, err := enmime.EnvelopeFromPart(root)
assert.NoError(t, err)
assert.Equal(t, c.Expected, isAutomaticReply(env))
}
}
func TestGetContentFromMailReader(t *testing.T) {
mailString := "Content-Type: multipart/mixed; boundary=message-boundary\r\n" +
"\r\n" +
"--message-boundary\r\n" +
"Content-Type: multipart/alternative; boundary=text-boundary\r\n" +
"\r\n" +
"--text-boundary\r\n" +
"Content-Type: text/plain\r\n" +
"Content-Disposition: inline\r\n" +
"\r\n" +
"mail content\r\n" +
"--text-boundary--\r\n" +
"--message-boundary\r\n" +
"Content-Type: text/plain\r\n" +
"Content-Disposition: attachment; filename=attachment.txt\r\n" +
"\r\n" +
"attachment content\r\n" +
"--message-boundary--\r\n"
env, err := enmime.ReadEnvelope(strings.NewReader(mailString))
assert.NoError(t, err)
content := getContentFromMailReader(env)
assert.Equal(t, "mail content", content.Content)
assert.Len(t, content.Attachments, 1)
assert.Equal(t, "attachment.txt", content.Attachments[0].Name)
assert.Equal(t, []byte("attachment content"), content.Attachments[0].Content)
mailString = "Content-Type: multipart/mixed; boundary=message-boundary\r\n" +
"\r\n" +
"--message-boundary\r\n" +
"Content-Type: multipart/alternative; boundary=text-boundary\r\n" +
"\r\n" +
"--text-boundary\r\n" +
"Content-Type: text/html\r\n" +
"Content-Disposition: inline\r\n" +
"\r\n" +
"<p>mail content</p>\r\n" +
"--text-boundary--\r\n" +
"--message-boundary--\r\n"
env, err = enmime.ReadEnvelope(strings.NewReader(mailString))
assert.NoError(t, err)
content = getContentFromMailReader(env)
assert.Equal(t, "mail content", content.Content)
assert.Empty(t, content.Attachments)
mailString = "Content-Type: multipart/mixed; boundary=message-boundary\r\n" +
"\r\n" +
"--message-boundary\r\n" +
"Content-Type: multipart/alternative; boundary=text-boundary\r\n" +
"\r\n" +
"--text-boundary\r\n" +
"Content-Type: text/plain\r\n" +
"Content-Disposition: inline\r\n" +
"\r\n" +
"mail content without signature\r\n" +
"--\r\n" +
"signature\r\n" +
"--text-boundary--\r\n" +
"--message-boundary--\r\n"
env, err = enmime.ReadEnvelope(strings.NewReader(mailString))
assert.NoError(t, err)
content = getContentFromMailReader(env)
assert.NoError(t, err)
assert.Equal(t, "mail content without signature", content.Content)
assert.Empty(t, content.Attachments)
}