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Add inbound mail handling
Add normalized event, signal, and webhooks for inbound mail. Closes #43 Closes #86
This commit is contained in:
Mike Edmunds
GitHub
170
tests/test_mailjet_inbound.py
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170
tests/test_mailjet_inbound.py
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import json
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from base64 import b64encode
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from mock import ANY
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from anymail.inbound import AnymailInboundMessage
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from anymail.signals import AnymailInboundEvent
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from anymail.webhooks.mailjet import MailjetInboundWebhookView
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from .utils import sample_image_content, sample_email_content
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from .webhook_cases import WebhookTestCase
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class MailjetInboundTestCase(WebhookTestCase):
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def test_inbound_basics(self):
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raw_event = {
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"Sender": "envelope-from@example.org",
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"Recipient": "test@inbound.example.com",
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"Date": "20171012T013104", # this is just the Date header from the sender, parsed to UTC
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"From": '"Displayed From" <from+test@example.org>',
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"Subject": "Test subject",
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"Headers": {
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"Return-Path": ["<bounce-handler=from+test%example.org@mail.example.org>"],
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"Received": [
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"from mail.example.org by parse.mailjet.com ..."
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"by mail.example.org for <test@inbound.example.com> ...",
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"by 10.10.1.71 with HTTP; Wed, 11 Oct 2017 18:31:04 -0700 (PDT)",
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],
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"MIME-Version": ["1.0"],
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"From": '"Displayed From" <from+test@example.org>',
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"Date": "Wed, 11 Oct 2017 18:31:04 -0700",
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"Message-ID": "<CAEPk3R+4Zr@mail.example.org>",
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"Subject": "Test subject",
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"To": "Test Inbound <test@inbound.example.com>, other@example.com",
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"Cc": "cc@example.com",
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"Reply-To": "from+test@milter.example.org",
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"Content-Type": ["multipart/alternative; boundary=\"boundary0\""],
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},
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"Parts": [{
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"Headers": {
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"Content-Type": ['text/plain; charset="UTF-8"']
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},
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"ContentRef": "Text-part"
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}, {
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"Headers": {
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"Content-Type": ['text/html; charset="UTF-8"'],
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"Content-Transfer-Encoding": ["quoted-printable"]
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},
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"ContentRef": "Html-part"
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}],
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"Text-part": "Test body plain",
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"Html-part": "<div>Test body html</div>",
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"SpamAssassinScore": "1.7"
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}
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response = self.client.post('/anymail/mailjet/inbound/',
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content_type='application/json', data=json.dumps(raw_event))
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self.assertEqual(response.status_code, 200)
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kwargs = self.assert_handler_called_once_with(self.inbound_handler, sender=MailjetInboundWebhookView,
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event=ANY, esp_name='Mailjet')
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# AnymailInboundEvent
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event = kwargs['event']
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self.assertIsInstance(event, AnymailInboundEvent)
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self.assertEqual(event.event_type, 'inbound')
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self.assertIsNone(event.timestamp) # Mailjet doesn't provide inbound event timestamp
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self.assertIsNone(event.event_id) # Mailjet doesn't provide inbound event id
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self.assertIsInstance(event.message, AnymailInboundMessage)
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self.assertEqual(event.esp_event, raw_event)
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# AnymailInboundMessage - convenience properties
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message = event.message
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self.assertEqual(message.from_email.display_name, 'Displayed From')
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self.assertEqual(message.from_email.addr_spec, 'from+test@example.org')
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self.assertEqual([str(e) for e in message.to],
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['Test Inbound <test@inbound.example.com>', 'other@example.com'])
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self.assertEqual([str(e) for e in message.cc],
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['cc@example.com'])
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self.assertEqual(message.subject, 'Test subject')
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self.assertEqual(message.date.isoformat(" "), "2017-10-11 18:31:04-07:00")
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self.assertEqual(message.text, 'Test body plain')
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self.assertEqual(message.html, '<div>Test body html</div>')
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self.assertEqual(message.envelope_sender, 'envelope-from@example.org')
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self.assertEqual(message.envelope_recipient, 'test@inbound.example.com')
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self.assertIsNone(message.stripped_text) # Mailjet doesn't provide stripped plaintext body
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self.assertIsNone(message.stripped_html) # Mailjet doesn't provide stripped html
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self.assertIsNone(message.spam_detected) # Mailjet doesn't provide spam boolean
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self.assertEqual(message.spam_score, 1.7)
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# AnymailInboundMessage - other headers
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self.assertEqual(message['Message-ID'], "<CAEPk3R+4Zr@mail.example.org>")
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self.assertEqual(message['Reply-To'], "from+test@milter.example.org")
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self.assertEqual(message.get_all('Received'), [
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"from mail.example.org by parse.mailjet.com ..."
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"by mail.example.org for <test@inbound.example.com> ...",
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"by 10.10.1.71 with HTTP; Wed, 11 Oct 2017 18:31:04 -0700 (PDT)",
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])
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def test_attachments(self):
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image_content = sample_image_content()
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email_content = sample_email_content()
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raw_event = {
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"Headers": {
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"MIME-Version": ["1.0"],
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"Content-Type": ["multipart/mixed; boundary=\"boundary0\""],
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},
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"Parts": [{
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"Headers": {"Content-Type": ['multipart/related; boundary="boundary1"']}
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}, {
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"Headers": {"Content-Type": ['multipart/alternative; boundary="boundary2"']}
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}, {
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"Headers": {"Content-Type": ['text/plain; charset="UTF-8"']},
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"ContentRef": "Text-part"
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}, {
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"Headers": {
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"Content-Type": ['text/html; charset="UTF-8"'],
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"Content-Transfer-Encoding": ["quoted-printable"]
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},
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"ContentRef": "Html-part"
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}, {
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"Headers": {
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"Content-Type": ['text/plain'],
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"Content-Disposition": ['attachment; filename="test.txt"'],
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"Content-Transfer-Encoding": ["quoted-printable"],
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},
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"ContentRef": "Attachment1"
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}, {
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"Headers": {
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"Content-Type": ['image/png; name="image.png"'],
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"Content-Disposition": ['inline; filename="image.png"'],
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"Content-Transfer-Encoding": ["base64"],
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"Content-ID": ["<abc123>"],
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},
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"ContentRef": "InlineAttachment1"
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}, {
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"Headers": {
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"Content-Type": ['message/rfc822; charset="US-ASCII"'],
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"Content-Disposition": ['attachment'],
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},
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"ContentRef": "Attachment2"
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}],
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"Text-part": "Test body plain",
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"Html-part": "<div>Test body html <img src='cid:abc123'></div>",
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"InlineAttachment1": b64encode(image_content).decode('ascii'),
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"Attachment1": b64encode('test attachment'.encode('utf-8')).decode('ascii'),
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"Attachment2": b64encode(email_content).decode('ascii'),
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}
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response = self.client.post('/anymail/mailjet/inbound/',
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content_type='application/json', data=json.dumps(raw_event))
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self.assertEqual(response.status_code, 200)
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kwargs = self.assert_handler_called_once_with(self.inbound_handler, sender=MailjetInboundWebhookView,
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event=ANY, esp_name='Mailjet')
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event = kwargs['event']
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message = event.message
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attachments = message.attachments # AnymailInboundMessage convenience accessor
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self.assertEqual(len(attachments), 2)
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self.assertEqual(attachments[0].get_filename(), 'test.txt')
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self.assertEqual(attachments[0].get_content_type(), 'text/plain')
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self.assertEqual(attachments[0].get_content_text(), u'test attachment')
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self.assertEqual(attachments[1].get_content_type(), 'message/rfc822')
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self.assertEqualIgnoringHeaderFolding(attachments[1].get_content_bytes(), email_content)
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inlines = message.inline_attachments
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self.assertEqual(len(inlines), 1)
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inline = inlines['abc123']
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self.assertEqual(inline.get_filename(), 'image.png')
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self.assertEqual(inline.get_content_type(), 'image/png')
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self.assertEqual(inline.get_content_bytes(), image_content)
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