fix error in mail parsing: not all 'inline' elements ara attachments

core/mail/protocol.py

@@ -129,8 +129,11 @@ def parse_email_body(raw, log=None):
             ctype = part.get_content_type()
             cdispo = str(part.get('Content-Disposition'))
 
+
+            if ctype == 'multipart/mixed':
+                log.debug("Ignoring Multipart %s %s", ctype, cdispo)
             # skip any text/plain (txt) attachments
-            if ctype == 'text/plain' and 'attachment' not in cdispo:
+            elif ctype == 'text/plain' and 'attachment' not in cdispo:
                 segment = part.get_payload()
                 if not segment:
                     continue
@@ -209,7 +212,8 @@ def receive_email(envelope, log=None):
 
     email = Email.objects.create(
         sender=sender, recipient=recipient, body=body, subject=subject, reference=header_message_id,
-        in_reply_to=header_in_reply_to, raw_file=ContentFile(envelope.content, name=random_filename), event=target_event,
+        in_reply_to=header_in_reply_to, raw_file=ContentFile(envelope.content, name=random_filename),
+        event=target_event,
         issue_thread=active_issue_thread)
     for attachment in attachments:
         email.attachments.add(attachment)

core/mail/tests/v2/test_mails.py

@@ -939,3 +939,75 @@ hello =C3=A4=C3=B6=C3=BC'''
         states = StateChange.objects.filter(issue_thread=IssueThread.objects.all()[0])
         self.assertEqual(1, len(states))
         self.assertEqual('pending_new', states[0].state)
+
+    def test_text_with_attachment2(self):
+        from aiosmtpd.smtp import Envelope
+        from asgiref.sync import async_to_sync
+        import aiosmtplib
+        aiosmtplib.send = make_mocked_coro()
+        handler = LMTPHandler()
+        server = mock.Mock()
+        session = mock.Mock()
+        envelope = Envelope()
+        envelope.mail_from = 'test1@test'
+        envelope.rcpt_tos = ['test2@test']
+        envelope.content = b'''Subject: test
+From: test1@test
+To: test2@test
+Message-ID: <1@test>
+Content-Type: multipart/mixed; boundary="abc"
+Content-Disposition: inline
+Content-Transfer-Encoding: 8bit
+
+--abc
+Content-Type: text/plain; charset=utf-8
+Content-Disposition: inline
+Content-Transfer-Encoding: 8bit
+
+test1
+
+--abc
+Content-Type: image/jpeg; name="test.jpg"
+Content-Disposition: attachment; filename="test.jpg"
+Content-Transfer-Encoding: base64
+Content-ID: <1>
+X-Attachment-Id: 1
+
+dGVzdGltYWdl
+
+--abc--'''
+
+        result = async_to_sync(handler.handle_DATA)(server, session, envelope)
+        self.assertEqual(result, '250 Message accepted for delivery')
+        self.assertEqual(len(Email.objects.all()), 2)
+        self.assertEqual(len(IssueThread.objects.all()), 1)
+        aiosmtplib.send.assert_called_once()
+        self.assertEqual('test', Email.objects.all()[0].subject)
+        self.assertEqual('test1@test', Email.objects.all()[0].sender)
+        self.assertEqual('test2@test', Email.objects.all()[0].recipient)
+        self.assertEqual('test1\n', Email.objects.all()[0].body)
+        self.assertEqual(IssueThread.objects.all()[0], Email.objects.all()[0].issue_thread)
+        self.assertEqual('<1@test>', Email.objects.all()[0].reference)
+        self.assertEqual(None, Email.objects.all()[0].in_reply_to)
+        self.assertEqual(expected_auto_reply_subject.format('test', IssueThread.objects.all()[0].short_uuid()),
+                         Email.objects.all()[1].subject)
+        self.assertEqual('test2@test', Email.objects.all()[1].sender)
+        self.assertEqual('test1@test', Email.objects.all()[1].recipient)
+        self.assertEqual(expected_auto_reply.format(IssueThread.objects.all()[0].short_uuid()),
+                         Email.objects.all()[1].body)
+        self.assertEqual(IssueThread.objects.all()[0], Email.objects.all()[1].issue_thread)
+        self.assertTrue(Email.objects.all()[1].reference.startswith("<"))
+        self.assertTrue(Email.objects.all()[1].reference.endswith("@localhost>"))
+        self.assertEqual("<1@test>", Email.objects.all()[1].in_reply_to)
+        self.assertEqual('test', IssueThread.objects.all()[0].name)
+        self.assertEqual('pending_new', IssueThread.objects.all()[0].state)
+        self.assertEqual(None, IssueThread.objects.all()[0].assigned_to)
+        states = StateChange.objects.filter(issue_thread=IssueThread.objects.all()[0])
+        self.assertEqual(1, len(states))
+        self.assertEqual('pending_new', states[0].state)
+        self.assertEqual(1, len(EmailAttachment.objects.all()))
+        self.assertEqual(1, EmailAttachment.objects.all()[0].id)
+        self.assertEqual('image/jpeg', EmailAttachment.objects.all()[0].mime_type)
+        self.assertEqual('test.jpg', EmailAttachment.objects.all()[0].name)
+        file_content = EmailAttachment.objects.all()[0].file.read()
+        self.assertEqual(b'testimage', file_content)