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Copy pathtest_headerregistry.py
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1829 lines (1581 loc) · 64.9 KB
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import datetime
import textwrap
import unittest
from email import errors
from email import policy
from email.message import Message
from test.test_email import TestEmailBase, parameterize
from email import headerregistry
from email.headerregistry import Address, Group
from test.support import ALWAYS_EQ
DITTO = object()
class TestHeaderRegistry(TestEmailBase):
def test_arbitrary_name_unstructured(self):
factory = headerregistry.HeaderRegistry()
h = factory('foobar', 'test')
self.assertIsInstance(h, headerregistry.BaseHeader)
self.assertIsInstance(h, headerregistry.UnstructuredHeader)
def test_name_case_ignored(self):
factory = headerregistry.HeaderRegistry()
# Whitebox check that test is valid
self.assertNotIn('Subject', factory.registry)
h = factory('Subject', 'test')
self.assertIsInstance(h, headerregistry.BaseHeader)
self.assertIsInstance(h, headerregistry.UniqueUnstructuredHeader)
class FooBase:
def __init__(self, *args, **kw):
pass
def test_override_default_base_class(self):
factory = headerregistry.HeaderRegistry(base_class=self.FooBase)
h = factory('foobar', 'test')
self.assertIsInstance(h, self.FooBase)
self.assertIsInstance(h, headerregistry.UnstructuredHeader)
class FooDefault:
parse = headerregistry.UnstructuredHeader.parse
def test_override_default_class(self):
factory = headerregistry.HeaderRegistry(default_class=self.FooDefault)
h = factory('foobar', 'test')
self.assertIsInstance(h, headerregistry.BaseHeader)
self.assertIsInstance(h, self.FooDefault)
def test_override_default_class_only_overrides_default(self):
factory = headerregistry.HeaderRegistry(default_class=self.FooDefault)
h = factory('subject', 'test')
self.assertIsInstance(h, headerregistry.BaseHeader)
self.assertIsInstance(h, headerregistry.UniqueUnstructuredHeader)
def test_dont_use_default_map(self):
factory = headerregistry.HeaderRegistry(use_default_map=False)
h = factory('subject', 'test')
self.assertIsInstance(h, headerregistry.BaseHeader)
self.assertIsInstance(h, headerregistry.UnstructuredHeader)
def test_map_to_type(self):
factory = headerregistry.HeaderRegistry()
h1 = factory('foobar', 'test')
factory.map_to_type('foobar', headerregistry.UniqueUnstructuredHeader)
h2 = factory('foobar', 'test')
self.assertIsInstance(h1, headerregistry.BaseHeader)
self.assertIsInstance(h1, headerregistry.UnstructuredHeader)
self.assertIsInstance(h2, headerregistry.BaseHeader)
self.assertIsInstance(h2, headerregistry.UniqueUnstructuredHeader)
class TestHeaderBase(TestEmailBase):
factory = headerregistry.HeaderRegistry()
def make_header(self, name, value):
return self.factory(name, value)
class TestBaseHeaderFeatures(TestHeaderBase):
def test_str(self):
h = self.make_header('subject', 'this is a test')
self.assertIsInstance(h, str)
self.assertEqual(h, 'this is a test')
self.assertEqual(str(h), 'this is a test')
def test_substr(self):
h = self.make_header('subject', 'this is a test')
self.assertEqual(h[5:7], 'is')
def test_has_name(self):
h = self.make_header('subject', 'this is a test')
self.assertEqual(h.name, 'subject')
def _test_attr_ro(self, attr):
h = self.make_header('subject', 'this is a test')
with self.assertRaises(AttributeError):
setattr(h, attr, 'foo')
def test_name_read_only(self):
self._test_attr_ro('name')
def test_defects_read_only(self):
self._test_attr_ro('defects')
def test_defects_is_tuple(self):
h = self.make_header('subject', 'this is a test')
self.assertEqual(len(h.defects), 0)
self.assertIsInstance(h.defects, tuple)
# Make sure it is still true when there are defects.
h = self.make_header('date', '')
self.assertEqual(len(h.defects), 1)
self.assertIsInstance(h.defects, tuple)
# XXX: FIXME
#def test_CR_in_value(self):
# # XXX: this also re-raises the issue of embedded headers,
# # need test and solution for that.
# value = '\r'.join(['this is', ' a test'])
# h = self.make_header('subject', value)
# self.assertEqual(h, value)
# self.assertDefectsEqual(h.defects, [errors.ObsoleteHeaderDefect])
@parameterize
class TestUnstructuredHeader(TestHeaderBase):
def string_as_value(self,
source,
decoded,
*args):
l = len(args)
defects = args[0] if l>0 else []
header = 'Subject:' + (' ' if source else '')
folded = header + (args[1] if l>1 else source) + '\n'
h = self.make_header('Subject', source)
self.assertEqual(h, decoded)
self.assertDefectsEqual(h.defects, defects)
self.assertEqual(h.fold(policy=policy.default), folded)
string_params = {
'rfc2047_simple_quopri': (
'=?utf-8?q?this_is_a_test?=',
'this is a test',
[],
'this is a test'),
'rfc2047_gb2312_base64': (
'=?gb2312?b?1eLKx9bQzsSy4srUo6E=?=',
'\u8fd9\u662f\u4e2d\u6587\u6d4b\u8bd5\uff01',
[],
'=?utf-8?b?6L+Z5piv5Lit5paH5rWL6K+V77yB?='),
'rfc2047_simple_nonascii_quopri': (
'=?utf-8?q?=C3=89ric?=',
'Éric'),
'rfc2047_quopri_with_regular_text': (
'The =?utf-8?q?=C3=89ric=2C?= Himself',
'The Éric, Himself'),
}
@parameterize
class TestDateHeader(TestHeaderBase):
datestring = 'Sun, 23 Sep 2001 20:10:55 -0700'
utcoffset = datetime.timedelta(hours=-7)
tz = datetime.timezone(utcoffset)
dt = datetime.datetime(2001, 9, 23, 20, 10, 55, tzinfo=tz)
def test_parse_date(self):
h = self.make_header('date', self.datestring)
self.assertEqual(h, self.datestring)
self.assertEqual(h.datetime, self.dt)
self.assertEqual(h.datetime.utcoffset(), self.utcoffset)
self.assertEqual(h.defects, ())
def test_set_from_datetime(self):
h = self.make_header('date', self.dt)
self.assertEqual(h, self.datestring)
self.assertEqual(h.datetime, self.dt)
self.assertEqual(h.defects, ())
def test_date_header_properties(self):
h = self.make_header('date', self.datestring)
self.assertIsInstance(h, headerregistry.UniqueDateHeader)
self.assertEqual(h.max_count, 1)
self.assertEqual(h.defects, ())
def test_resent_date_header_properties(self):
h = self.make_header('resent-date', self.datestring)
self.assertIsInstance(h, headerregistry.DateHeader)
self.assertEqual(h.max_count, None)
self.assertEqual(h.defects, ())
def test_no_value_is_defect(self):
h = self.make_header('date', '')
self.assertEqual(len(h.defects), 1)
self.assertIsInstance(h.defects[0], errors.HeaderMissingRequiredValue)
def test_invalid_date_format(self):
s = 'Not a date header'
h = self.make_header('date', s)
self.assertEqual(h, s)
self.assertIsNone(h.datetime)
self.assertEqual(len(h.defects), 1)
self.assertIsInstance(h.defects[0], errors.InvalidDateDefect)
def test_invalid_date_value(self):
s = 'Tue, 06 Jun 2017 27:39:33 +0600'
h = self.make_header('date', s)
self.assertEqual(h, s)
self.assertIsNone(h.datetime)
self.assertEqual(len(h.defects), 1)
self.assertIsInstance(h.defects[0], errors.InvalidDateDefect)
def test_datetime_read_only(self):
h = self.make_header('date', self.datestring)
with self.assertRaises(AttributeError):
h.datetime = 'foo'
def test_set_date_header_from_datetime(self):
m = Message(policy=policy.default)
m['Date'] = self.dt
self.assertEqual(m['Date'], self.datestring)
self.assertEqual(m['Date'].datetime, self.dt)
@parameterize
class TestContentTypeHeader(TestHeaderBase):
def content_type_as_value(self,
source,
content_type,
maintype,
subtype,
*args):
l = len(args)
parmdict = args[0] if l>0 else {}
defects = args[1] if l>1 else []
decoded = args[2] if l>2 and args[2] is not DITTO else source
header = 'Content-Type:' + ' ' if source else ''
folded = args[3] if l>3 else header + decoded + '\n'
h = self.make_header('Content-Type', source)
self.assertEqual(h.content_type, content_type)
self.assertEqual(h.maintype, maintype)
self.assertEqual(h.subtype, subtype)
self.assertEqual(h.params, parmdict)
with self.assertRaises(TypeError):
h.params['abc'] = 'xyz' # make sure params is read-only.
self.assertDefectsEqual(h.defects, defects)
self.assertEqual(h, decoded)
self.assertEqual(h.fold(policy=policy.default), folded)
content_type_params = {
# Examples from RFC 2045.
'RFC_2045_1': (
'text/plain; charset=us-ascii (Plain text)',
'text/plain',
'text',
'plain',
{'charset': 'us-ascii'},
[],
'text/plain; charset="us-ascii"'),
'RFC_2045_2': (
'text/plain; charset=us-ascii',
'text/plain',
'text',
'plain',
{'charset': 'us-ascii'},
[],
'text/plain; charset="us-ascii"'),
'RFC_2045_3': (
'text/plain; charset="us-ascii"',
'text/plain',
'text',
'plain',
{'charset': 'us-ascii'}),
# RFC 2045 5.2 says syntactically invalid values are to be treated as
# text/plain.
'no_subtype_in_content_type': (
'text/',
'text/plain',
'text',
'plain',
{},
[errors.InvalidHeaderDefect]),
'no_slash_in_content_type': (
'foo',
'text/plain',
'text',
'plain',
{},
[errors.InvalidHeaderDefect]),
'junk_text_in_content_type': (
'<crazy "stuff">',
'text/plain',
'text',
'plain',
{},
[errors.InvalidHeaderDefect]),
'too_many_slashes_in_content_type': (
'image/jpeg/foo',
'text/plain',
'text',
'plain',
{},
[errors.InvalidHeaderDefect]),
# But unknown names are OK. We could make non-IANA names a defect, but
# by not doing so we make ourselves future proof. The fact that they
# are unknown will be detectable by the fact that they don't appear in
# the mime_registry...and the application is free to extend that list
# to handle them even if the core library doesn't.
'unknown_content_type': (
'bad/names',
'bad/names',
'bad',
'names'),
# The content type is case insensitive, and CFWS is ignored.
'mixed_case_content_type': (
'ImAge/JPeg',
'image/jpeg',
'image',
'jpeg'),
'spaces_in_content_type': (
' text / plain ',
'text/plain',
'text',
'plain'),
'cfws_in_content_type': (
'(foo) text (bar)/(baz)plain(stuff)',
'text/plain',
'text',
'plain'),
# test some parameters (more tests could be added for parameters
# associated with other content types, but since parameter parsing is
# generic they would be redundant for the current implementation).
'charset_param': (
'text/plain; charset="utf-8"',
'text/plain',
'text',
'plain',
{'charset': 'utf-8'}),
'capitalized_charset': (
'text/plain; charset="US-ASCII"',
'text/plain',
'text',
'plain',
{'charset': 'US-ASCII'}),
'unknown_charset': (
'text/plain; charset="fOo"',
'text/plain',
'text',
'plain',
{'charset': 'fOo'}),
'capitalized_charset_param_name_and_comment': (
'text/plain; (interjection) Charset="utf-8"',
'text/plain',
'text',
'plain',
{'charset': 'utf-8'},
[],
# Should the parameter name be lowercased here?
'text/plain; Charset="utf-8"'),
# Since this is pretty much the ur-mimeheader, we'll put all the tests
# that exercise the parameter parsing and formatting here. Note that
# when we refold we may canonicalize, so things like whitespace,
# quoting, and rfc2231 encoding may change from what was in the input
# header.
'unquoted_param_value': (
'text/plain; title=foo',
'text/plain',
'text',
'plain',
{'title': 'foo'},
[],
'text/plain; title="foo"',
),
'param_value_with_tspecials': (
'text/plain; title="(bar)foo blue"',
'text/plain',
'text',
'plain',
{'title': '(bar)foo blue'}),
'param_with_extra_quoted_whitespace': (
'text/plain; title=" a loong way \t home "',
'text/plain',
'text',
'plain',
{'title': ' a loong way \t home '}),
'bad_params': (
'blarg; baz; boo',
'text/plain',
'text',
'plain',
{'baz': '', 'boo': ''},
[errors.InvalidHeaderDefect]*3),
'spaces_around_param_equals': (
'Multipart/mixed; boundary = "CPIMSSMTPC06p5f3tG"',
'multipart/mixed',
'multipart',
'mixed',
{'boundary': 'CPIMSSMTPC06p5f3tG'},
[],
'Multipart/mixed; boundary="CPIMSSMTPC06p5f3tG"',
),
'spaces_around_semis': (
('image/jpeg; name="wibble.JPG" ; x-mac-type="4A504547" ; '
'x-mac-creator="474B4F4E"'),
'image/jpeg',
'image',
'jpeg',
{'name': 'wibble.JPG',
'x-mac-type': '4A504547',
'x-mac-creator': '474B4F4E'},
[],
('image/jpeg; name="wibble.JPG"; x-mac-type="4A504547"; '
'x-mac-creator="474B4F4E"'),
('Content-Type: image/jpeg; name="wibble.JPG";'
' x-mac-type="4A504547";\n'
' x-mac-creator="474B4F4E"\n'),
),
'lots_of_mime_params': (
('image/jpeg; name="wibble.JPG"; x-mac-type="4A504547"; '
'x-mac-creator="474B4F4E"; x-extrastuff="make it longer"'),
'image/jpeg',
'image',
'jpeg',
{'name': 'wibble.JPG',
'x-mac-type': '4A504547',
'x-mac-creator': '474B4F4E',
'x-extrastuff': 'make it longer'},
[],
('image/jpeg; name="wibble.JPG"; x-mac-type="4A504547"; '
'x-mac-creator="474B4F4E"; x-extrastuff="make it longer"'),
# In this case the whole of the MimeParameters does *not* fit
# one one line, so we break at a lower syntactic level.
('Content-Type: image/jpeg; name="wibble.JPG";'
' x-mac-type="4A504547";\n'
' x-mac-creator="474B4F4E"; x-extrastuff="make it longer"\n'),
),
'semis_inside_quotes': (
'image/jpeg; name="Jim&&Jill"',
'image/jpeg',
'image',
'jpeg',
{'name': 'Jim&&Jill'}),
'single_quotes_inside_quotes': (
'image/jpeg; name="Jim \'Bob\' Jill"',
'image/jpeg',
'image',
'jpeg',
{'name': "Jim 'Bob' Jill"}),
'double_quotes_inside_quotes': (
r'image/jpeg; name="Jim \"Bob\" Jill"',
'image/jpeg',
'image',
'jpeg',
{'name': 'Jim "Bob" Jill'},
[],
r'image/jpeg; name="Jim \"Bob\" Jill"'),
'non_ascii_in_params': (
('foo\xa7/bar; b\xa7r=two; '
'baz=thr\xa7e'.encode('latin-1').decode('us-ascii',
'surrogateescape')),
'foo\uFFFD/bar',
'foo\uFFFD',
'bar',
{'b\uFFFDr': 'two', 'baz': 'thr\uFFFDe'},
[errors.UndecodableBytesDefect]*3,
'foo�/bar; b�r="two"; baz="thr�e"',
# XXX Two bugs here: the mime type is not allowed to be an encoded
# word, and we shouldn't be emitting surrogates in the parameter
# names. But I don't know what the behavior should be here, so I'm
# punting for now. In practice this is unlikely to be encountered
# since headers with binary in them only come from a binary source
# and are almost certain to be re-emitted without refolding.
'Content-Type: =?unknown-8bit?q?foo=A7?=/bar; b\udca7r="two";\n'
" baz*=unknown-8bit''thr%A7e\n",
),
# RFC 2231 parameter tests.
'rfc2231_segmented_normal_values': (
'image/jpeg; name*0="abc"; name*1=".html"',
'image/jpeg',
'image',
'jpeg',
{'name': "abc.html"},
[],
'image/jpeg; name="abc.html"'),
'quotes_inside_rfc2231_value': (
r'image/jpeg; bar*0="baz\"foobar"; bar*1="\"baz"',
'image/jpeg',
'image',
'jpeg',
{'bar': 'baz"foobar"baz'},
[],
r'image/jpeg; bar="baz\"foobar\"baz"'),
'non_ascii_rfc2231_value': (
('text/plain; charset=us-ascii; '
"title*=us-ascii'en'This%20is%20"
'not%20f\xa7n').encode('latin-1').decode('us-ascii',
'surrogateescape'),
'text/plain',
'text',
'plain',
{'charset': 'us-ascii', 'title': 'This is not f\uFFFDn'},
[errors.UndecodableBytesDefect],
'text/plain; charset="us-ascii"; title="This is not f�n"',
'Content-Type: text/plain; charset="us-ascii";\n'
" title*=unknown-8bit''This%20is%20not%20f%A7n\n",
),
'rfc2231_encoded_charset': (
'text/plain; charset*=ansi-x3.4-1968\'\'us-ascii',
'text/plain',
'text',
'plain',
{'charset': 'us-ascii'},
[],
'text/plain; charset="us-ascii"'),
# This follows the RFC: no double quotes around encoded values.
'rfc2231_encoded_no_double_quotes': (
("text/plain;"
"\tname*0*=''This%20is%20;"
"\tname*1*=%2A%2A%2Afun%2A%2A%2A%20;"
'\tname*2="is it not.pdf"'),
'text/plain',
'text',
'plain',
{'name': 'This is ***fun*** is it not.pdf'},
[],
'text/plain; name="This is ***fun*** is it not.pdf"',
),
# Make sure we also handle it if there are spurious double quotes.
'rfc2231_encoded_with_double_quotes': (
("text/plain;"
'\tname*0*="us-ascii\'\'This%20is%20even%20more%20";'
'\tname*1*="%2A%2A%2Afun%2A%2A%2A%20";'
'\tname*2="is it not.pdf"'),
'text/plain',
'text',
'plain',
{'name': 'This is even more ***fun*** is it not.pdf'},
[errors.InvalidHeaderDefect]*2,
'text/plain; name="This is even more ***fun*** is it not.pdf"',
),
'rfc2231_single_quote_inside_double_quotes': (
('text/plain; charset=us-ascii;'
'\ttitle*0*="us-ascii\'en\'This%20is%20really%20";'
'\ttitle*1*="%2A%2A%2Afun%2A%2A%2A%20";'
'\ttitle*2="isn\'t it!"'),
'text/plain',
'text',
'plain',
{'charset': 'us-ascii', 'title': "This is really ***fun*** isn't it!"},
[errors.InvalidHeaderDefect]*2,
('text/plain; charset="us-ascii"; '
'title="This is really ***fun*** isn\'t it!"'),
('Content-Type: text/plain; charset="us-ascii";\n'
' title="This is really ***fun*** isn\'t it!"\n'),
),
'rfc2231_single_quote_in_value_with_charset_and_lang': (
('application/x-foo;'
"\tname*0*=\"us-ascii'en-us'Frank's\"; name*1*=\" Document\""),
'application/x-foo',
'application',
'x-foo',
{'name': "Frank's Document"},
[errors.InvalidHeaderDefect]*2,
'application/x-foo; name="Frank\'s Document"',
),
'rfc2231_single_quote_in_non_encoded_value': (
('application/x-foo;'
"\tname*0=\"us-ascii'en-us'Frank's\"; name*1=\" Document\""),
'application/x-foo',
'application',
'x-foo',
{'name': "us-ascii'en-us'Frank's Document"},
[],
'application/x-foo; name="us-ascii\'en-us\'Frank\'s Document"',
),
'rfc2231_no_language_or_charset': (
'text/plain; NAME*0*=english_is_the_default.html',
'text/plain',
'text',
'plain',
{'name': 'english_is_the_default.html'},
[errors.InvalidHeaderDefect],
'text/plain; NAME="english_is_the_default.html"'),
'rfc2231_encoded_no_charset': (
("text/plain;"
'\tname*0*="\'\'This%20is%20even%20more%20";'
'\tname*1*="%2A%2A%2Afun%2A%2A%2A%20";'
'\tname*2="is it.pdf"'),
'text/plain',
'text',
'plain',
{'name': 'This is even more ***fun*** is it.pdf'},
[errors.InvalidHeaderDefect]*2,
'text/plain; name="This is even more ***fun*** is it.pdf"',
),
'rfc2231_partly_encoded': (
("text/plain;"
'\tname*0*="\'\'This%20is%20even%20more%20";'
'\tname*1*="%2A%2A%2Afun%2A%2A%2A%20";'
'\tname*2="is it.pdf"'),
'text/plain',
'text',
'plain',
{'name': 'This is even more ***fun*** is it.pdf'},
[errors.InvalidHeaderDefect]*2,
'text/plain; name="This is even more ***fun*** is it.pdf"',
),
'rfc2231_partly_encoded_2': (
("text/plain;"
'\tname*0*="\'\'This%20is%20even%20more%20";'
'\tname*1="%2A%2A%2Afun%2A%2A%2A%20";'
'\tname*2="is it.pdf"'),
'text/plain',
'text',
'plain',
{'name': 'This is even more %2A%2A%2Afun%2A%2A%2A%20is it.pdf'},
[errors.InvalidHeaderDefect],
('text/plain;'
' name="This is even more %2A%2A%2Afun%2A%2A%2A%20is it.pdf"'),
('Content-Type: text/plain;\n'
' name="This is even more %2A%2A%2Afun%2A%2A%2A%20is'
' it.pdf"\n'),
),
'rfc2231_unknown_charset_treated_as_ascii': (
"text/plain; name*0*=bogus'xx'ascii_is_the_default",
'text/plain',
'text',
'plain',
{'name': 'ascii_is_the_default'},
[],
'text/plain; name="ascii_is_the_default"'),
'rfc2231_bad_character_in_charset_parameter_value': (
"text/plain; charset*=ascii''utf-8%F1%F2%F3",
'text/plain',
'text',
'plain',
{'charset': 'utf-8\uFFFD\uFFFD\uFFFD'},
[errors.UndecodableBytesDefect],
'text/plain; charset="utf-8\uFFFD\uFFFD\uFFFD"',
"Content-Type: text/plain;"
" charset*=unknown-8bit''utf-8%F1%F2%F3\n",
),
'rfc2231_utf8_in_supposedly_ascii_charset_parameter_value': (
"text/plain; charset*=ascii''utf-8%E2%80%9D",
'text/plain',
'text',
'plain',
{'charset': 'utf-8”'},
[errors.UndecodableBytesDefect],
'text/plain; charset="utf-8”"',
# XXX Should folding change the charset to utf8? Currently it just
# reproduces the original, which is arguably fine.
"Content-Type: text/plain;"
" charset*=unknown-8bit''utf-8%E2%80%9D\n",
),
'rfc2231_nonascii_in_charset_of_charset_parameter_value': (
"text/plain; charset*=utf-8”''utf-8%E2%80%9D",
'text/plain',
'text',
'plain',
{'charset': 'utf-8”'},
[],
'text/plain; charset="utf-8”"',
"Content-Type: text/plain;"
" charset*=utf-8''utf-8%E2%80%9D\n",
),
'rfc2231_encoded_then_unencoded_segments': (
('application/x-foo;'
'\tname*0*="us-ascii\'en-us\'My";'
'\tname*1=" Document";'
'\tname*2=" For You"'),
'application/x-foo',
'application',
'x-foo',
{'name': 'My Document For You'},
[errors.InvalidHeaderDefect],
'application/x-foo; name="My Document For You"',
),
# My reading of the RFC is that this is an invalid header. The RFC
# says that if charset and language information is given, the first
# segment *must* be encoded.
'rfc2231_unencoded_then_encoded_segments': (
('application/x-foo;'
'\tname*0=us-ascii\'en-us\'My;'
'\tname*1*=" Document";'
'\tname*2*=" For You"'),
'application/x-foo',
'application',
'x-foo',
{'name': 'My Document For You'},
[errors.InvalidHeaderDefect]*3,
'application/x-foo; name="My Document For You"',
),
# XXX: I would say this one should default to ascii/en for the
# "encoded" segment, since the first segment is not encoded and is
# in double quotes, making the value a valid non-encoded string. The
# old parser decodes this just like the previous case, which may be the
# better Postel rule, but could equally result in borking headers that
# intentionally have quoted quotes in them. We could get this 98%
# right if we treat it as a quoted string *unless* it matches the
# charset'lang'value pattern exactly *and* there is at least one
# encoded segment. Implementing that algorithm will require some
# refactoring, so I haven't done it (yet).
'rfc2231_quoted_unencoded_then_encoded_segments': (
('application/x-foo;'
'\tname*0="us-ascii\'en-us\'My";'
'\tname*1*=" Document";'
'\tname*2*=" For You"'),
'application/x-foo',
'application',
'x-foo',
{'name': "us-ascii'en-us'My Document For You"},
[errors.InvalidHeaderDefect]*2,
'application/x-foo; name="us-ascii\'en-us\'My Document For You"',
),
# Make sure our folding algorithm produces multiple sections correctly.
# We could mix encoded and non-encoded segments, but we don't, we just
# make them all encoded. It might be worth fixing that, since the
# sections can get used for wrapping ascii text.
'rfc2231_folded_segments_correctly_formatted': (
('application/x-foo;'
'\tname="' + "with spaces"*8 + '"'),
'application/x-foo',
'application',
'x-foo',
{'name': "with spaces"*8},
[],
'application/x-foo; name="' + "with spaces"*8 + '"',
"Content-Type: application/x-foo;\n"
" name*0*=us-ascii''with%20spaceswith%20spaceswith%20spaceswith"
"%20spaceswith;\n"
" name*1*=%20spaceswith%20spaceswith%20spaceswith%20spaces\n"
),
}
@parameterize
class TestContentTransferEncoding(TestHeaderBase):
def cte_as_value(self,
source,
cte,
*args):
l = len(args)
defects = args[0] if l>0 else []
decoded = args[1] if l>1 and args[1] is not DITTO else source
header = 'Content-Transfer-Encoding:' + ' ' if source else ''
folded = args[2] if l>2 else header + source + '\n'
h = self.make_header('Content-Transfer-Encoding', source)
self.assertEqual(h.cte, cte)
self.assertDefectsEqual(h.defects, defects)
self.assertEqual(h, decoded)
self.assertEqual(h.fold(policy=policy.default), folded)
cte_params = {
'RFC_2183_1': (
'base64',
'base64',),
'no_value': (
'',
'7bit',
[errors.HeaderMissingRequiredValue],
'',
'Content-Transfer-Encoding:\n',
),
'junk_after_cte': (
'7bit and a bunch more',
'7bit',
[errors.InvalidHeaderDefect]),
'extra_space_after_cte': (
'base64 ',
'base64',
[]),
}
@parameterize
class TestContentDisposition(TestHeaderBase):
def content_disp_as_value(self,
source,
content_disposition,
*args):
l = len(args)
parmdict = args[0] if l>0 else {}
defects = args[1] if l>1 else []
decoded = args[2] if l>2 and args[2] is not DITTO else source
header = 'Content-Disposition:' + ' ' if source else ''
folded = args[3] if l>3 else header + source + '\n'
h = self.make_header('Content-Disposition', source)
self.assertEqual(h.content_disposition, content_disposition)
self.assertEqual(h.params, parmdict)
self.assertDefectsEqual(h.defects, defects)
self.assertEqual(h, decoded)
self.assertEqual(h.fold(policy=policy.default), folded)
content_disp_params = {
# Examples from RFC 2183.
'RFC_2183_1': (
'inline',
'inline',),
'RFC_2183_2': (
('attachment; filename=genome.jpeg;'
' modification-date="Wed, 12 Feb 1997 16:29:51 -0500";'),
'attachment',
{'filename': 'genome.jpeg',
'modification-date': 'Wed, 12 Feb 1997 16:29:51 -0500'},
[],
('attachment; filename="genome.jpeg"; '
'modification-date="Wed, 12 Feb 1997 16:29:51 -0500"'),
('Content-Disposition: attachment; filename="genome.jpeg";\n'
' modification-date="Wed, 12 Feb 1997 16:29:51 -0500"\n'),
),
'no_value': (
'',
None,
{},
[errors.HeaderMissingRequiredValue],
'',
'Content-Disposition:\n'),
'invalid_value': (
'ab./k',
'ab.',
{},
[errors.InvalidHeaderDefect]),
'invalid_value_with_params': (
'ab./k; filename="foo"',
'ab.',
{'filename': 'foo'},
[errors.InvalidHeaderDefect]),
'invalid_parameter_value_with_fws_between_ew': (
'attachment; filename="=?UTF-8?Q?Schulbesuchsbest=C3=A4ttigung=2E?='
' =?UTF-8?Q?pdf?="',
'attachment',
{'filename': 'Schulbesuchsbestättigung.pdf'},
[errors.InvalidHeaderDefect]*3,
('attachment; filename="Schulbesuchsbestättigung.pdf"'),
('Content-Disposition: attachment;\n'
' filename*=utf-8\'\'Schulbesuchsbest%C3%A4ttigung.pdf\n'),
),
'parameter_value_with_fws_between_tokens': (
'attachment; filename="File =?utf-8?q?Name?= With Spaces.pdf"',
'attachment',
{'filename': 'File Name With Spaces.pdf'},
[errors.InvalidHeaderDefect],
'attachment; filename="File Name With Spaces.pdf"',
('Content-Disposition: attachment; filename="File Name With Spaces.pdf"\n'),
)
}
@parameterize
class TestMIMEVersionHeader(TestHeaderBase):
def version_string_as_MIME_Version(self,
source,
decoded,
version,
major,
minor,
defects):
h = self.make_header('MIME-Version', source)
self.assertEqual(h, decoded)
self.assertEqual(h.version, version)
self.assertEqual(h.major, major)
self.assertEqual(h.minor, minor)
self.assertDefectsEqual(h.defects, defects)
if source:
source = ' ' + source
self.assertEqual(h.fold(policy=policy.default),
'MIME-Version:' + source + '\n')
version_string_params = {
# Examples from the RFC.
'RFC_2045_1': (
'1.0',
'1.0',
'1.0',
1,
0,
[]),
'RFC_2045_2': (
'1.0 (produced by MetaSend Vx.x)',
'1.0 (produced by MetaSend Vx.x)',
'1.0',
1,
0,
[]),
'RFC_2045_3': (
'(produced by MetaSend Vx.x) 1.0',
'(produced by MetaSend Vx.x) 1.0',
'1.0',
1,
0,
[]),
'RFC_2045_4': (
'1.(produced by MetaSend Vx.x)0',
'1.(produced by MetaSend Vx.x)0',
'1.0',
1,
0,
[]),
# Other valid values.
'1_1': (
'1.1',
'1.1',
'1.1',
1,
1,
[]),
'2_1': (
'2.1',
'2.1',