import quopri from base64 import b64encode from email.utils import collapse_rfc2231_value from textwrap import dedent from django.core.mail import SafeMIMEText from django.test import SimpleTestCase from anymail.inbound import AnymailInboundMessage from .utils import SAMPLE_IMAGE_FILENAME, sample_email_path, sample_image_content SAMPLE_IMAGE_CONTENT = sample_image_content() class AnymailInboundMessageConstructionTests(SimpleTestCase): def test_construct_params(self): msg = AnymailInboundMessage.construct( from_email="from@example.com", to="to@example.com", cc="cc@example.com", subject="test subject") self.assertEqual(msg['From'], "from@example.com") self.assertEqual(msg['To'], "to@example.com") self.assertEqual(msg['Cc'], "cc@example.com") self.assertEqual(msg['Subject'], "test subject") self.assertEqual(msg.defects, []) # ensures email.message.Message.__init__ ran self.assertIsNone(msg.envelope_recipient) # ensures AnymailInboundMessage.__init__ ran def test_construct_headers_from_mapping(self): msg = AnymailInboundMessage.construct( headers={'Reply-To': "reply@example.com", 'X-Test': "anything"}) self.assertEqual(msg['reply-to'], "reply@example.com") # headers are case-insensitive self.assertEqual(msg['X-TEST'], "anything") def test_construct_headers_from_pairs(self): # allows multiple instances of a header msg = AnymailInboundMessage.construct( headers=[['Reply-To', "reply@example.com"], ['Received', "by 10.1.1.4 with SMTP id q4csp; Sun, 22 Oct 2017 00:23:22 -0700 (PDT)"], ['Received', "from mail.example.com (mail.example.com. [10.10.1.9])" " by mx.example.com with SMTPS id 93s8iok for ;" " Sun, 22 Oct 2017 00:23:21 -0700 (PDT)"], ]) self.assertEqual(msg['Reply-To'], "reply@example.com") self.assertEqual(msg.get_all('Received'), [ "by 10.1.1.4 with SMTP id q4csp; Sun, 22 Oct 2017 00:23:22 -0700 (PDT)", "from mail.example.com (mail.example.com. [10.10.1.9])" " by mx.example.com with SMTPS id 93s8iok for ;" " Sun, 22 Oct 2017 00:23:21 -0700 (PDT)"]) def test_construct_headers_from_raw(self): # (note header "folding" in second Received header) msg = AnymailInboundMessage.construct( raw_headers=dedent("""\ Reply-To: reply@example.com Subject: raw subject Content-Type: x-custom/custom Received: by 10.1.1.4 with SMTP id q4csp; Sun, 22 Oct 2017 00:23:22 -0700 (PDT) Received: from mail.example.com (mail.example.com. [10.10.1.9]) by mx.example.com with SMTPS id 93s8iok for ; Sun, 22 Oct 2017 00:23:21 -0700 (PDT) """), subject="Explicit subject overrides raw") self.assertEqual(msg['Reply-To'], "reply@example.com") self.assertEqual(msg.get_all('Received'), [ "by 10.1.1.4 with SMTP id q4csp; Sun, 22 Oct 2017 00:23:22 -0700 (PDT)", "from mail.example.com (mail.example.com. [10.10.1.9])" # unfolding should have stripped newlines " by mx.example.com with SMTPS id 93s8iok for ;" " Sun, 22 Oct 2017 00:23:21 -0700 (PDT)"]) self.assertEqual(msg.get_all('Subject'), ["Explicit subject overrides raw"]) self.assertEqual(msg.get_all('Content-Type'), ["multipart/mixed"]) # Content-Type in raw header ignored def test_construct_bodies(self): # this verifies we construct the expected MIME structure; # see the `text` and `html` props (in the ConveniencePropTests below) # for an easier way to get to these fields (that works however constructed) msg = AnymailInboundMessage.construct(text="Plaintext body", html="HTML body") self.assertEqual(msg['Content-Type'], "multipart/mixed") self.assertEqual(len(msg.get_payload()), 1) related = msg.get_payload(0) self.assertEqual(related['Content-Type'], "multipart/related") self.assertEqual(len(related.get_payload()), 1) alternative = related.get_payload(0) self.assertEqual(alternative['Content-Type'], "multipart/alternative") self.assertEqual(len(alternative.get_payload()), 2) plaintext = alternative.get_payload(0) self.assertEqual(plaintext['Content-Type'], 'text/plain; charset="utf-8"') self.assertEqual(plaintext.get_content_text(), "Plaintext body") html = alternative.get_payload(1) self.assertEqual(html['Content-Type'], 'text/html; charset="utf-8"') self.assertEqual(html.get_content_text(), "HTML body") def test_construct_attachments(self): att1 = AnymailInboundMessage.construct_attachment( 'text/csv', "One,Two\n1,2".encode('iso-8859-1'), charset="iso-8859-1", filename="test.csv") att2 = AnymailInboundMessage.construct_attachment( 'image/png', SAMPLE_IMAGE_CONTENT, filename=SAMPLE_IMAGE_FILENAME, content_id="abc123") msg = AnymailInboundMessage.construct(attachments=[att1, att2]) self.assertEqual(msg['Content-Type'], "multipart/mixed") self.assertEqual(len(msg.get_payload()), 2) # bodies (related), att1 att1_part = msg.get_payload(1) self.assertEqual(att1_part['Content-Type'], 'text/csv; name="test.csv"; charset="iso-8859-1"') self.assertEqual(att1_part['Content-Disposition'], 'attachment; filename="test.csv"') self.assertNotIn('Content-ID', att1_part) self.assertEqual(att1_part.get_content_text(), "One,Two\n1,2") related = msg.get_payload(0) self.assertEqual(len(related.get_payload()), 2) # alternatives (with no bodies in this test); att2 att2_part = related.get_payload(1) self.assertEqual(att2_part['Content-Type'], 'image/png; name="sample_image.png"') self.assertEqual(att2_part['Content-Disposition'], 'inline; filename="sample_image.png"') self.assertEqual(att2_part['Content-ID'], '') self.assertEqual(att2_part.get_content_bytes(), SAMPLE_IMAGE_CONTENT) def test_construct_attachments_from_uploaded_files(self): from django.core.files.uploadedfile import SimpleUploadedFile file = SimpleUploadedFile(SAMPLE_IMAGE_FILENAME, SAMPLE_IMAGE_CONTENT, 'image/png') att = AnymailInboundMessage.construct_attachment_from_uploaded_file(file, content_id="abc123") self.assertEqual(att['Content-Type'], 'image/png; name="sample_image.png"') self.assertEqual(att['Content-Disposition'], 'inline; filename="sample_image.png"') self.assertEqual(att['Content-ID'], '') self.assertEqual(att.get_content_bytes(), SAMPLE_IMAGE_CONTENT) def test_construct_attachments_from_base64_data(self): # This is a fairly common way for ESPs to provide attachment content to webhooks content = b64encode(SAMPLE_IMAGE_CONTENT) att = AnymailInboundMessage.construct_attachment(content_type="image/png", content=content, base64=True) self.assertEqual(att.get_content_bytes(), SAMPLE_IMAGE_CONTENT) def test_construct_attachment_unicode_filename(self): # Issue #197 att = AnymailInboundMessage.construct_attachment( content_type="text/plain", content="Unicode ✓", charset='utf-8', base64=False, filename="Simulácia.txt", content_id="inline-id",) self.assertEqual(att.get_filename(), "Simulácia.txt") self.assertTrue(att.is_inline_attachment()) self.assertEqual(att.get_content_text(), "Unicode ✓") def test_parse_raw_mime(self): # (we're not trying to exhaustively test email.parser MIME handling here; # just that AnymailInboundMessage.parse_raw_mime calls it correctly) raw = dedent("""\ Content-Type: text/plain Subject: This is a test message This is a test body. """) msg = AnymailInboundMessage.parse_raw_mime(raw) self.assertEqual(msg['Subject'], "This is a test message") self.assertEqual(msg.get_content_text(), "This is a test body.\n") self.assertEqual(msg.defects, []) # (see test_attachment_as_uploaded_file below for parsing basic attachment from raw mime) def test_parse_raw_mime_bytes(self): raw = ( b'Content-Type: text/plain; charset=ISO-8859-3\r\n' b'Content-Transfer-Encoding: 8bit\r\n' b'Subject: Test bytes\r\n' b'\r\n' b'\xD8i estas retpo\xFEto.\r\n') msg = AnymailInboundMessage.parse_raw_mime_bytes(raw) self.assertEqual(msg['Subject'], "Test bytes") self.assertEqual(msg.get_content_text(), "Ĝi estas retpoŝto.\r\n") self.assertEqual(msg.get_content_bytes(), b'\xD8i estas retpo\xFEto.\r\n') self.assertEqual(msg.defects, []) def test_parse_raw_mime_8bit_utf8(self): # In come cases, the message below ends up with 'Content-Transfer-Encoding: 8bit', # so needs to be parsed as bytes, not text (see https://bugs.python.org/issue18271). # Message.as_string() returns str (text), not bytes. # (This might be a Django bug; plain old MIMEText avoids the problem by using # 'Content-Transfer-Encoding: base64', which parses fine as text or bytes.) # Either way, AnymailInboundMessage should try to sidestep the whole issue. raw = SafeMIMEText("Unicode ✓", "plain", "utf-8").as_string() msg = AnymailInboundMessage.parse_raw_mime(raw) self.assertEqual(msg.text, "Unicode ✓") # *not* "Unicode \\u2713" def test_parse_raw_mime_file_text(self): with open(sample_email_path(), mode="r") as fp: msg = AnymailInboundMessage.parse_raw_mime_file(fp) self.assertEqual(msg["Subject"], "Test email") self.assertEqual(msg.text, "Hi Bob, This is a message. Thanks!\n") self.assertEqual(msg.get_all("Received"), [ # this is the first line in the sample email file "by luna.mailgun.net with SMTP mgrt 8734663311733; Fri, 03 May 2013 18:26:27 +0000"]) def test_parse_raw_mime_file_bytes(self): with open(sample_email_path(), mode="rb") as fp: msg = AnymailInboundMessage.parse_raw_mime_file(fp) self.assertEqual(msg["Subject"], "Test email") self.assertEqual(msg.text, "Hi Bob, This is a message. Thanks!\n") self.assertEqual(msg.get_all("Received"), [ # this is the first line in the sample email file "by luna.mailgun.net with SMTP mgrt 8734663311733; Fri, 03 May 2013 18:26:27 +0000"]) class AnymailInboundMessageConveniencePropTests(SimpleTestCase): # AnymailInboundMessage defines several properties to simplify reading # commonly-used items in an email.message.Message def test_address_props(self): msg = AnymailInboundMessage.construct( from_email='"Sender, Inc." ', to='First To , to2@example.com', cc='First Cc , cc2@example.com', ) self.assertEqual(str(msg.from_email), '"Sender, Inc." ') self.assertEqual(msg.from_email.addr_spec, 'sender@example.com') self.assertEqual(msg.from_email.display_name, 'Sender, Inc.') self.assertEqual(msg.from_email.username, 'sender') self.assertEqual(msg.from_email.domain, 'example.com') self.assertEqual(len(msg.to), 2) self.assertEqual(msg.to[0].addr_spec, 'to1@example.com') self.assertEqual(msg.to[0].display_name, 'First To') self.assertEqual(msg.to[1].addr_spec, 'to2@example.com') self.assertEqual(msg.to[1].display_name, '') self.assertEqual(len(msg.cc), 2) self.assertEqual(msg.cc[0].address, 'First Cc ') self.assertEqual(msg.cc[1].address, 'cc2@example.com') # Default None/empty lists msg = AnymailInboundMessage() self.assertIsNone(msg.from_email) self.assertEqual(msg.to, []) self.assertEqual(msg.cc, []) def test_body_props(self): msg = AnymailInboundMessage.construct(text="Test plaintext", html="Test HTML") self.assertEqual(msg.text, "Test plaintext") self.assertEqual(msg.html, "Test HTML") # Make sure attachments don't confuse it att_text = AnymailInboundMessage.construct_attachment('text/plain', "text attachment") att_html = AnymailInboundMessage.construct_attachment('text/html', "html attachment") msg = AnymailInboundMessage.construct(text="Test plaintext", attachments=[att_text, att_html]) self.assertEqual(msg.text, "Test plaintext") self.assertIsNone(msg.html) # no html body (the html attachment doesn't count) msg = AnymailInboundMessage.construct(html="Test HTML", attachments=[att_text, att_html]) self.assertIsNone(msg.text) # no plaintext body (the text attachment doesn't count) self.assertEqual(msg.html, "Test HTML") # Default None msg = AnymailInboundMessage() self.assertIsNone(msg.text) self.assertIsNone(msg.html) def test_body_props_charsets(self): text_8859_10 = "Detta är det vanliga innehållet".encode("ISO-8859-10") html_8859_8 = "

HTML זהו תוכן

".encode("ISO-8859-8") raw = dedent("""\ MIME-Version: 1.0 Subject: Charset test Content-Type: multipart/alternative; boundary="this_is_a_boundary" --this_is_a_boundary Content-Type: text/plain; charset=ISO-8859-10 Content-Transfer-Encoding: QUOTED-PRINTABLE {text} --this_is_a_boundary Content-Type: text/html; charset=ISO-8859-8 Content-Transfer-Encoding: QUOTED-PRINTABLE {html} --this_is_a_boundary-- """).format( text=quopri.encodestring(text_8859_10).decode("ASCII"), html=quopri.encodestring(html_8859_8).decode("ASCII"), ) msg = AnymailInboundMessage.parse_raw_mime(raw) self.assertEqual(msg.defects, []) self.assertEqual(msg.text, "Detta är det vanliga innehållet") self.assertEqual(msg.html, "

HTML זהו תוכן

") self.assertEqual(msg.get_payload(0).get_content_bytes(), text_8859_10) self.assertEqual(msg.get_payload(0).get_content_text(), "Detta är det vanliga innehållet") self.assertEqual(msg.get_payload(1).get_content_bytes(), html_8859_8) self.assertEqual(msg.get_payload(1).get_content_text(), "

HTML זהו תוכן

") def test_missing_or_invalid_charsets(self): """get_content_text has options for handling missing/invalid charset declarations""" raw = dedent("""\ Subject: Oops, missing charset declaration Content-Type: text/plain Content-Transfer-Encoding: quoted-printable Algunos programas de correo electr=f3nico est=e1n rotos """) msg = AnymailInboundMessage.parse_raw_mime(raw) self.assertEqual(msg.defects, []) # default is charset from Content-Type (or 'utf-8' if missing), errors='replace'; .text uses defaults self.assertEqual(msg.get_content_text(), "Algunos programas de correo electr�nico est�n rotos\n") self.assertEqual(msg.text, "Algunos programas de correo electr�nico est�n rotos\n") # can give specific charset if you know headers are wrong/missing self.assertEqual(msg.get_content_text(charset='ISO-8859-1'), "Algunos programas de correo electrónico están rotos\n") # can change error handling with self.assertRaises(UnicodeDecodeError): msg.get_content_text(errors='strict') self.assertEqual(msg.get_content_text(errors='ignore'), "Algunos programas de correo electrnico estn rotos\n") def test_date_props(self): msg = AnymailInboundMessage.construct(headers={ 'Date': "Mon, 23 Oct 2017 17:50:55 -0700" }) self.assertEqual(msg.date.isoformat(), "2017-10-23T17:50:55-07:00") # Default None self.assertIsNone(AnymailInboundMessage().date) def test_attachments_prop(self): att = AnymailInboundMessage.construct_attachment( 'image/png', SAMPLE_IMAGE_CONTENT, filename=SAMPLE_IMAGE_FILENAME) msg = AnymailInboundMessage.construct(attachments=[att]) self.assertEqual(msg.attachments, [att]) # Default empty list self.assertEqual(AnymailInboundMessage().attachments, []) def test_inline_attachments_prop(self): att = AnymailInboundMessage.construct_attachment( 'image/png', SAMPLE_IMAGE_CONTENT, filename=SAMPLE_IMAGE_FILENAME, content_id="abc123") msg = AnymailInboundMessage.construct(attachments=[att]) self.assertEqual(msg.inline_attachments, {'abc123': att}) # Default empty dict self.assertEqual(AnymailInboundMessage().inline_attachments, {}) def test_attachment_as_uploaded_file(self): raw = dedent("""\ MIME-Version: 1.0 Subject: Attachment test Content-Type: multipart/mixed; boundary="this_is_a_boundary" --this_is_a_boundary Content-Type: text/plain; charset="UTF-8" The test sample image is attached below. --this_is_a_boundary Content-Type: image/png; name="sample_image.png" Content-Disposition: attachment; filename="sample_image.png" Content-Transfer-Encoding: base64 iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAABHNCSVQICAgIfAhkiAAAAAlwSFlz AAALEgAACxIB0t1+/AAAABR0RVh0Q3JlYXRpb24gVGltZQAzLzEvMTNoZNRjAAAAHHRFWHRTb2Z0 d2FyZQBBZG9iZSBGaXJld29ya3MgQ1M1cbXjNgAAAZ1JREFUWIXtl7FKA0EQhr+TgIFgo5BXyBUp fIGksLawUNAXWFFfwCJgBAtfIJFMLXgQn8BSwdpCiPcKAdOIoI2x2Dmyd7kYwXhp9odluX/uZv6d nZu7DXowxiKZi0IAUHKCvxcsoAIEpST4IawVGb0Hb0BlpcigefACvAAvwAsoTTGGlwwzBAyivLUP EZrOM10AhGOH2wWugVVlHoAdhJHrPC8DNR0JGsAAQ9mxNzBOMNjS4Qrq69U5EKmf12ywWVsQI4QI IbCn3Gnmnk7uk1bokfooI7QRDlQIGCdzPwiYh0idtXNs2zq3UqwVEiDcu/R0DVjUnFpItuPSscfA FXCGSfEAdZ2fVeQ68OjYWwi3ycVvMhABGwgfKXZScHeZ+4c6VzN8FbuYukvOykCs+z8PJ0xqIXYE d4ALoKlVH2IIgUHWwd/6gNAFPjPcCPvKNTDcYAj1lXzKc7GIRrSZI6yJzcQ+dtV9bD+IkHThBj34 4j9/yYxupaQbXPJLNqsGFgeZ6qwpLP1b4AV4AV5AoKfjpR5OwR6VKwULCAC+AQV4W9Ps4uZQAAAA AElFTkSuQmCC --this_is_a_boundary-- """) msg = AnymailInboundMessage.parse_raw_mime(raw) attachment = msg.attachments[0] attachment_file = attachment.as_uploaded_file() self.assertEqual(attachment_file.name, "sample_image.png") self.assertEqual(attachment_file.content_type, "image/png") self.assertEqual(attachment_file.read(), SAMPLE_IMAGE_CONTENT) def test_attachment_as_uploaded_file_security(self): # Raw attachment filenames can be malicious; we want to make sure that # our Django file converter sanitizes them (as much as any uploaded filename) raw = dedent("""\ MIME-Version: 1.0 Subject: Attachment test Content-Type: multipart/mixed; boundary="this_is_a_boundary" --this_is_a_boundary Content-Type: text/plain; charset="UTF-8" The malicious attachment filenames below need to get sanitized --this_is_a_boundary Content-Type: text/plain; name="report.txt" Content-Disposition: attachment; filename="/etc/passwd" # (not that overwriting /etc/passwd is actually a thing # anymore, but you get the point) --this_is_a_boundary Content-Type: text/html Content-Disposition: attachment; filename="../static/index.html" Hey, did I overwrite your site? --this_is_a_boundary-- """) msg = AnymailInboundMessage.parse_raw_mime(raw) attachments = msg.attachments self.assertEqual(attachments[0].get_filename(), "/etc/passwd") # you wouldn't want to actually write here self.assertEqual(attachments[0].as_uploaded_file().name, "passwd") # path removed - good! self.assertEqual(attachments[1].get_filename(), "../static/index.html") self.assertEqual(attachments[1].as_uploaded_file().name, "index.html") # ditto for relative paths class AnymailInboundMessageAttachedMessageTests(SimpleTestCase): # message/rfc822 attachments should get parsed recursively original_raw_message = dedent("""\ MIME-Version: 1.0 From: sender@example.com Subject: Original message Return-Path: bounces@inbound.example.com Content-Type: multipart/related; boundary="boundary-orig" --boundary-orig Content-Type: text/html; charset="UTF-8" Here is your message! --boundary-orig Content-Type: image/png; name="sample_image.png" Content-Disposition: inline Content-ID: Content-Transfer-Encoding: base64 {image_content_base64} --boundary-orig-- """).format(image_content_base64=b64encode(SAMPLE_IMAGE_CONTENT).decode('ascii')) def test_parse_rfc822_attachment_from_raw_mime(self): # message/rfc822 attachments should be parsed recursively raw = dedent("""\ MIME-Version: 1.0 From: mailer-demon@example.org Subject: Undeliverable To: bounces@inbound.example.com Content-Type: multipart/mixed; boundary="boundary-bounce" --boundary-bounce Content-Type: text/plain Your message was undeliverable due to carrier pigeon strike. The original message is attached. --boundary-bounce Content-Type: message/rfc822 Content-Disposition: attachment {original_raw_message} --boundary-bounce-- """).format(original_raw_message=self.original_raw_message) msg = AnymailInboundMessage.parse_raw_mime(raw) self.assertIsInstance(msg, AnymailInboundMessage) att = msg.get_payload(1) self.assertIsInstance(att, AnymailInboundMessage) self.assertEqual(att.get_content_type(), "message/rfc822") self.assertTrue(att.is_attachment()) orig_msg = att.get_payload(0) self.assertIsInstance(orig_msg, AnymailInboundMessage) self.assertEqual(orig_msg['Subject'], "Original message") self.assertEqual(orig_msg.get_content_type(), "multipart/related") self.assertEqual(att.get_content_text(), self.original_raw_message) orig_inline_att = orig_msg.get_payload(1) self.assertEqual(orig_inline_att.get_content_type(), "image/png") self.assertTrue(orig_inline_att.is_inline_attachment()) self.assertEqual(orig_inline_att.get_payload(decode=True), SAMPLE_IMAGE_CONTENT) def test_construct_rfc822_attachment_from_data(self): # constructed message/rfc822 attachment should end up as parsed message # (same as if attachment was parsed from raw mime, as in previous test) att = AnymailInboundMessage.construct_attachment('message/rfc822', self.original_raw_message) self.assertIsInstance(att, AnymailInboundMessage) self.assertEqual(att.get_content_type(), "message/rfc822") self.assertTrue(att.is_attachment()) self.assertEqual(att.get_content_text(), self.original_raw_message) orig_msg = att.get_payload(0) self.assertIsInstance(orig_msg, AnymailInboundMessage) self.assertEqual(orig_msg['Subject'], "Original message") self.assertEqual(orig_msg.get_content_type(), "multipart/related") class EmailParserBehaviorTests(SimpleTestCase): # Python 3.5+'s EmailParser should handle all of these, so long as it's not # invoked with its default policy=compat32. This double checks we're using it # properly. (Also, older versions of Anymail included workarounds for these # in older, broken versions of the EmailParser.) def test_parse_folded_headers(self): raw = dedent("""\ Content-Type: text/plain Subject: This subject uses header folding X-Json: {"problematic": ["encoded newline\\n", "comma,semi;no space"]} Not-A-Header: This is the body. It is not folded. """) for end in ('\n', '\r', '\r\n'): # check NL, CR, and CRNL line-endings msg = AnymailInboundMessage.parse_raw_mime(raw.replace('\n', end)) self.assertEqual(msg['Subject'], "This subject uses header folding") self.assertEqual(msg["X-Json"], '{"problematic": ["encoded newline\\n", "comma,semi;no space"]}') self.assertEqual(msg.get_content_text(), "Not-A-Header: This is the body.{end} It is not folded.{end}".format(end=end)) self.assertEqual(msg.defects, []) def test_parse_encoded_headers(self): # RFC2047 header encoding raw = dedent("""\ Content-Type: text/plain From: =?US-ASCII?Q?Keith_Moore?= To: =?ISO-8859-1?Q?Keld_J=F8rn_Simonsen?= , =?ISO-8859-1?Q?Andr=E9?= "Pirard, Jr." Cc: =?utf-8?b?TmfGsOG7nWkgbmjhuq1u?= Subject: =?ISO-8859-1?B?SWYgeW91IGNhbiByZWFkIHRoaXMgeW8=?= =?utf-8?q?u_understand_the_example=E2=9C=93?= X-Broken: =?utf-8?q?Not_a_char:_=88.?= Some examples adapted from http://dogmamix.com/MimeHeadersDecoder/ """) msg = AnymailInboundMessage.parse_raw_mime(raw) self.assertEqual(msg["From"], "Keith Moore ") self.assertEqual(msg.from_email.display_name, "Keith Moore") self.assertEqual(msg.from_email.addr_spec, "moore@example.com") self.assertEqual(msg["To"], 'Keld Jørn Simonsen , ' '"André Pirard, Jr." ') self.assertEqual(msg.to[0].display_name, "Keld Jørn Simonsen") self.assertEqual(msg.to[1].display_name, "André Pirard, Jr.") # Note: Like email.headerregistry.Address, Anymail decodes an RFC2047-encoded display_name, # but does not decode a punycode domain. (Use `idna.decode(domain)` if you need that.) self.assertEqual(msg["Cc"], "Người nhận ") self.assertEqual(msg.cc[0].display_name, "Người nhận") self.assertEqual(msg.cc[0].addr_spec, "cc@xn--th-e0a.example.com") self.assertEqual(msg.cc[0].domain, "xn--th-e0a.example.com") # Subject breaks between 'o' and 'u' in the word "you", must be re-joined without space. # Also tests joining encoded words with different charsets: self.assertEqual(msg["Subject"], "If you can read this you understand the example\N{CHECK MARK}") # Replace illegal encodings (rather than causing error): self.assertEqual(msg["X-Broken"], "Not a char: \N{REPLACEMENT CHARACTER}.") def test_parse_encoded_params(self): raw = dedent("""\ MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="this_is_a_boundary" --this_is_a_boundary Content-Type: text/plain; charset="UTF-8" This is the body --this_is_a_boundary Content-Type: text/plain; name*=us-ascii''TPS%20Report Content-Disposition: attachment; filename*=iso-8859-1''Une%20pi%E8ce%20jointe%2Etxt This is an attachment --this_is_a_boundary-- """) msg = AnymailInboundMessage.parse_raw_mime(raw) att = msg.attachments[0] self.assertTrue(att.is_attachment()) self.assertEqual(att.get_content_disposition(), "attachment") self.assertEqual(collapse_rfc2231_value(att.get_param("Name", header="Content-Type")), "TPS Report") self.assertEqual(att.get_filename(), "Une pièce jointe.txt")