449 lines
18 KiB
Python
449 lines
18 KiB
Python
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# -*- coding: utf-8 -*-
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"""
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werkzeug.testsuite.http
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~~~~~~~~~~~~~~~~~~~~~~~
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HTTP parsing utilities.
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:copyright: (c) 2013 by Armin Ronacher.
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:license: BSD, see LICENSE for more details.
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"""
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import unittest
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from datetime import datetime
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from werkzeug.testsuite import WerkzeugTestCase
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from werkzeug._compat import itervalues, wsgi_encoding_dance
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from werkzeug import http, datastructures
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from werkzeug.test import create_environ
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class HTTPUtilityTestCase(WerkzeugTestCase):
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def test_accept(self):
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a = http.parse_accept_header('en-us,ru;q=0.5')
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self.assert_equal(list(itervalues(a)), ['en-us', 'ru'])
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self.assert_equal(a.best, 'en-us')
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self.assert_equal(a.find('ru'), 1)
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self.assert_raises(ValueError, a.index, 'de')
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self.assert_equal(a.to_header(), 'en-us,ru;q=0.5')
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def test_mime_accept(self):
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a = http.parse_accept_header('text/xml,application/xml,'
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'application/xhtml+xml,'
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'text/html;q=0.9,text/plain;q=0.8,'
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'image/png,*/*;q=0.5',
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datastructures.MIMEAccept)
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self.assert_raises(ValueError, lambda: a['missing'])
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self.assert_equal(a['image/png'], 1)
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self.assert_equal(a['text/plain'], 0.8)
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self.assert_equal(a['foo/bar'], 0.5)
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self.assert_equal(a[a.find('foo/bar')], ('*/*', 0.5))
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def test_accept_matches(self):
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a = http.parse_accept_header('text/xml,application/xml,application/xhtml+xml,'
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'text/html;q=0.9,text/plain;q=0.8,'
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'image/png', datastructures.MIMEAccept)
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self.assert_equal(a.best_match(['text/html', 'application/xhtml+xml']),
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'application/xhtml+xml')
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self.assert_equal(a.best_match(['text/html']), 'text/html')
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self.assert_true(a.best_match(['foo/bar']) is None)
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self.assert_equal(a.best_match(['foo/bar', 'bar/foo'],
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default='foo/bar'), 'foo/bar')
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self.assert_equal(a.best_match(['application/xml', 'text/xml']), 'application/xml')
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def test_charset_accept(self):
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a = http.parse_accept_header('ISO-8859-1,utf-8;q=0.7,*;q=0.7',
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datastructures.CharsetAccept)
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self.assert_equal(a['iso-8859-1'], a['iso8859-1'])
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self.assert_equal(a['iso-8859-1'], 1)
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self.assert_equal(a['UTF8'], 0.7)
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self.assert_equal(a['ebcdic'], 0.7)
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def test_language_accept(self):
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a = http.parse_accept_header('de-AT,de;q=0.8,en;q=0.5',
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datastructures.LanguageAccept)
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self.assert_equal(a.best, 'de-AT')
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self.assert_true('de_AT' in a)
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self.assert_true('en' in a)
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self.assert_equal(a['de-at'], 1)
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self.assert_equal(a['en'], 0.5)
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def test_set_header(self):
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hs = http.parse_set_header('foo, Bar, "Blah baz", Hehe')
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self.assert_true('blah baz' in hs)
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self.assert_true('foobar' not in hs)
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self.assert_true('foo' in hs)
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self.assert_equal(list(hs), ['foo', 'Bar', 'Blah baz', 'Hehe'])
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hs.add('Foo')
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self.assert_equal(hs.to_header(), 'foo, Bar, "Blah baz", Hehe')
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def test_list_header(self):
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hl = http.parse_list_header('foo baz, blah')
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self.assert_equal(hl, ['foo baz', 'blah'])
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def test_dict_header(self):
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d = http.parse_dict_header('foo="bar baz", blah=42')
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self.assert_equal(d, {'foo': 'bar baz', 'blah': '42'})
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def test_cache_control_header(self):
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cc = http.parse_cache_control_header('max-age=0, no-cache')
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assert cc.max_age == 0
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assert cc.no_cache
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cc = http.parse_cache_control_header('private, community="UCI"', None,
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datastructures.ResponseCacheControl)
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assert cc.private
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assert cc['community'] == 'UCI'
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c = datastructures.ResponseCacheControl()
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assert c.no_cache is None
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assert c.private is None
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c.no_cache = True
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assert c.no_cache == '*'
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c.private = True
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assert c.private == '*'
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del c.private
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assert c.private is None
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assert c.to_header() == 'no-cache'
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def test_authorization_header(self):
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a = http.parse_authorization_header('Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ==')
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assert a.type == 'basic'
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assert a.username == 'Aladdin'
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assert a.password == 'open sesame'
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a = http.parse_authorization_header('''Digest username="Mufasa",
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realm="testrealm@host.invalid",
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nonce="dcd98b7102dd2f0e8b11d0f600bfb0c093",
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uri="/dir/index.html",
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qop=auth,
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nc=00000001,
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cnonce="0a4f113b",
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response="6629fae49393a05397450978507c4ef1",
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opaque="5ccc069c403ebaf9f0171e9517f40e41"''')
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assert a.type == 'digest'
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assert a.username == 'Mufasa'
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assert a.realm == 'testrealm@host.invalid'
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assert a.nonce == 'dcd98b7102dd2f0e8b11d0f600bfb0c093'
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assert a.uri == '/dir/index.html'
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assert 'auth' in a.qop
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assert a.nc == '00000001'
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assert a.cnonce == '0a4f113b'
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assert a.response == '6629fae49393a05397450978507c4ef1'
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assert a.opaque == '5ccc069c403ebaf9f0171e9517f40e41'
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a = http.parse_authorization_header('''Digest username="Mufasa",
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realm="testrealm@host.invalid",
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nonce="dcd98b7102dd2f0e8b11d0f600bfb0c093",
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uri="/dir/index.html",
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response="e257afa1414a3340d93d30955171dd0e",
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opaque="5ccc069c403ebaf9f0171e9517f40e41"''')
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assert a.type == 'digest'
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assert a.username == 'Mufasa'
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assert a.realm == 'testrealm@host.invalid'
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assert a.nonce == 'dcd98b7102dd2f0e8b11d0f600bfb0c093'
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assert a.uri == '/dir/index.html'
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assert a.response == 'e257afa1414a3340d93d30955171dd0e'
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assert a.opaque == '5ccc069c403ebaf9f0171e9517f40e41'
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assert http.parse_authorization_header('') is None
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assert http.parse_authorization_header(None) is None
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assert http.parse_authorization_header('foo') is None
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def test_www_authenticate_header(self):
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wa = http.parse_www_authenticate_header('Basic realm="WallyWorld"')
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assert wa.type == 'basic'
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assert wa.realm == 'WallyWorld'
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wa.realm = 'Foo Bar'
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assert wa.to_header() == 'Basic realm="Foo Bar"'
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wa = http.parse_www_authenticate_header('''Digest
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realm="testrealm@host.com",
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qop="auth,auth-int",
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nonce="dcd98b7102dd2f0e8b11d0f600bfb0c093",
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opaque="5ccc069c403ebaf9f0171e9517f40e41"''')
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assert wa.type == 'digest'
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assert wa.realm == 'testrealm@host.com'
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assert 'auth' in wa.qop
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assert 'auth-int' in wa.qop
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assert wa.nonce == 'dcd98b7102dd2f0e8b11d0f600bfb0c093'
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assert wa.opaque == '5ccc069c403ebaf9f0171e9517f40e41'
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wa = http.parse_www_authenticate_header('broken')
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assert wa.type == 'broken'
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assert not http.parse_www_authenticate_header('').type
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assert not http.parse_www_authenticate_header('')
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def test_etags(self):
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assert http.quote_etag('foo') == '"foo"'
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assert http.quote_etag('foo', True) == 'w/"foo"'
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assert http.unquote_etag('"foo"') == ('foo', False)
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assert http.unquote_etag('w/"foo"') == ('foo', True)
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es = http.parse_etags('"foo", "bar", w/"baz", blar')
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assert sorted(es) == ['bar', 'blar', 'foo']
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assert 'foo' in es
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assert 'baz' not in es
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assert es.contains_weak('baz')
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assert 'blar' in es
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assert es.contains_raw('w/"baz"')
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assert es.contains_raw('"foo"')
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assert sorted(es.to_header().split(', ')) == ['"bar"', '"blar"', '"foo"', 'w/"baz"']
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def test_etags_nonzero(self):
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etags = http.parse_etags('w/"foo"')
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self.assert_true(bool(etags))
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self.assert_true(etags.contains_raw('w/"foo"'))
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def test_parse_date(self):
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assert http.parse_date('Sun, 06 Nov 1994 08:49:37 GMT ') == datetime(1994, 11, 6, 8, 49, 37)
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assert http.parse_date('Sunday, 06-Nov-94 08:49:37 GMT') == datetime(1994, 11, 6, 8, 49, 37)
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assert http.parse_date(' Sun Nov 6 08:49:37 1994') == datetime(1994, 11, 6, 8, 49, 37)
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assert http.parse_date('foo') is None
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def test_parse_date_overflows(self):
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assert http.parse_date(' Sun 02 Feb 1343 08:49:37 GMT') == datetime(1343, 2, 2, 8, 49, 37)
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assert http.parse_date('Thu, 01 Jan 1970 00:00:00 GMT') == datetime(1970, 1, 1, 0, 0)
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assert http.parse_date('Thu, 33 Jan 1970 00:00:00 GMT') is None
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def test_remove_entity_headers(self):
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now = http.http_date()
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headers1 = [('Date', now), ('Content-Type', 'text/html'), ('Content-Length', '0')]
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headers2 = datastructures.Headers(headers1)
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http.remove_entity_headers(headers1)
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assert headers1 == [('Date', now)]
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http.remove_entity_headers(headers2)
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self.assert_equal(headers2, datastructures.Headers([(u'Date', now)]))
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def test_remove_hop_by_hop_headers(self):
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headers1 = [('Connection', 'closed'), ('Foo', 'bar'),
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('Keep-Alive', 'wtf')]
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headers2 = datastructures.Headers(headers1)
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http.remove_hop_by_hop_headers(headers1)
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assert headers1 == [('Foo', 'bar')]
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http.remove_hop_by_hop_headers(headers2)
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assert headers2 == datastructures.Headers([('Foo', 'bar')])
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def test_parse_options_header(self):
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assert http.parse_options_header(r'something; foo="other\"thing"') == \
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('something', {'foo': 'other"thing'})
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assert http.parse_options_header(r'something; foo="other\"thing"; meh=42') == \
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('something', {'foo': 'other"thing', 'meh': '42'})
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assert http.parse_options_header(r'something; foo="other\"thing"; meh=42; bleh') == \
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('something', {'foo': 'other"thing', 'meh': '42', 'bleh': None})
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assert http.parse_options_header('something; foo="other;thing"; meh=42; bleh') == \
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('something', {'foo': 'other;thing', 'meh': '42', 'bleh': None})
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assert http.parse_options_header('something; foo="otherthing"; meh=; bleh') == \
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('something', {'foo': 'otherthing', 'meh': None, 'bleh': None})
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def test_dump_options_header(self):
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assert http.dump_options_header('foo', {'bar': 42}) == \
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'foo; bar=42'
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assert http.dump_options_header('foo', {'bar': 42, 'fizz': None}) in \
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('foo; bar=42; fizz', 'foo; fizz; bar=42')
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def test_dump_header(self):
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assert http.dump_header([1, 2, 3]) == '1, 2, 3'
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assert http.dump_header([1, 2, 3], allow_token=False) == '"1", "2", "3"'
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assert http.dump_header({'foo': 'bar'}, allow_token=False) == 'foo="bar"'
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assert http.dump_header({'foo': 'bar'}) == 'foo=bar'
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def test_is_resource_modified(self):
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env = create_environ()
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# ignore POST
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env['REQUEST_METHOD'] = 'POST'
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assert not http.is_resource_modified(env, etag='testing')
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env['REQUEST_METHOD'] = 'GET'
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# etagify from data
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self.assert_raises(TypeError, http.is_resource_modified, env,
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data='42', etag='23')
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env['HTTP_IF_NONE_MATCH'] = http.generate_etag(b'awesome')
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assert not http.is_resource_modified(env, data=b'awesome')
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env['HTTP_IF_MODIFIED_SINCE'] = http.http_date(datetime(2008, 1, 1, 12, 30))
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assert not http.is_resource_modified(env,
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last_modified=datetime(2008, 1, 1, 12, 00))
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assert http.is_resource_modified(env,
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last_modified=datetime(2008, 1, 1, 13, 00))
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def test_date_formatting(self):
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assert http.cookie_date(0) == 'Thu, 01-Jan-1970 00:00:00 GMT'
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assert http.cookie_date(datetime(1970, 1, 1)) == 'Thu, 01-Jan-1970 00:00:00 GMT'
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assert http.http_date(0) == 'Thu, 01 Jan 1970 00:00:00 GMT'
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assert http.http_date(datetime(1970, 1, 1)) == 'Thu, 01 Jan 1970 00:00:00 GMT'
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def test_cookies(self):
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self.assert_strict_equal(
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dict(http.parse_cookie('dismiss-top=6; CP=null*; PHPSESSID=0a539d42abc001cd'
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'c762809248d4beed; a=42')),
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{
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'CP': u'null*',
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'PHPSESSID': u'0a539d42abc001cdc762809248d4beed',
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'a': u'42',
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'dismiss-top': u'6'
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}
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)
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self.assert_strict_equal(
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set(http.dump_cookie('foo', 'bar baz blub', 360, httponly=True,
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sync_expires=False).split(u'; ')),
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set([u'HttpOnly', u'Max-Age=360', u'Path=/', u'foo="bar baz blub"'])
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)
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self.assert_strict_equal(dict(http.parse_cookie('fo234{=bar; blub=Blah')),
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{'fo234{': u'bar', 'blub': u'Blah'})
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def test_cookie_quoting(self):
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val = http.dump_cookie("foo", "?foo")
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self.assert_strict_equal(val, 'foo="?foo"; Path=/')
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self.assert_strict_equal(dict(http.parse_cookie(val)), {'foo': u'?foo'})
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self.assert_strict_equal(dict(http.parse_cookie(r'foo="foo\054bar"')),
|
||
|
|
{'foo': u'foo,bar'})
|
||
|
|
|
||
|
|
def test_cookie_domain_resolving(self):
|
||
|
|
val = http.dump_cookie('foo', 'bar', domain=u'\N{SNOWMAN}.com')
|
||
|
|
self.assert_strict_equal(val, 'foo=bar; Domain=xn--n3h.com; Path=/')
|
||
|
|
|
||
|
|
def test_cookie_unicode_dumping(self):
|
||
|
|
val = http.dump_cookie('foo', u'\N{SNOWMAN}')
|
||
|
|
h = datastructures.Headers()
|
||
|
|
h.add('Set-Cookie', val)
|
||
|
|
self.assert_equal(h['Set-Cookie'], 'foo="\\342\\230\\203"; Path=/')
|
||
|
|
|
||
|
|
cookies = http.parse_cookie(h['Set-Cookie'])
|
||
|
|
self.assert_equal(cookies['foo'], u'\N{SNOWMAN}')
|
||
|
|
|
||
|
|
def test_cookie_unicode_keys(self):
|
||
|
|
# Yes, this is technically against the spec but happens
|
||
|
|
val = http.dump_cookie(u'fö', u'fö')
|
||
|
|
self.assert_equal(val, wsgi_encoding_dance(u'fö="f\\303\\266"; Path=/', 'utf-8'))
|
||
|
|
cookies = http.parse_cookie(val)
|
||
|
|
self.assert_equal(cookies[u'fö'], u'fö')
|
||
|
|
|
||
|
|
def test_cookie_unicode_parsing(self):
|
||
|
|
# This is actually a correct test. This is what is being submitted
|
||
|
|
# by firefox if you set an unicode cookie and we get the cookie sent
|
||
|
|
# in on Python 3 under PEP 3333.
|
||
|
|
cookies = http.parse_cookie(u'fö=fö')
|
||
|
|
self.assert_equal(cookies[u'fö'], u'fö')
|
||
|
|
|
||
|
|
def test_cookie_domain_encoding(self):
|
||
|
|
val = http.dump_cookie('foo', 'bar', domain=u'\N{SNOWMAN}.com')
|
||
|
|
self.assert_strict_equal(val, 'foo=bar; Domain=xn--n3h.com; Path=/')
|
||
|
|
|
||
|
|
val = http.dump_cookie('foo', 'bar', domain=u'.\N{SNOWMAN}.com')
|
||
|
|
self.assert_strict_equal(val, 'foo=bar; Domain=.xn--n3h.com; Path=/')
|
||
|
|
|
||
|
|
val = http.dump_cookie('foo', 'bar', domain=u'.foo.com')
|
||
|
|
self.assert_strict_equal(val, 'foo=bar; Domain=.foo.com; Path=/')
|
||
|
|
|
||
|
|
|
||
|
|
class RangeTestCase(WerkzeugTestCase):
|
||
|
|
|
||
|
|
def test_if_range_parsing(self):
|
||
|
|
rv = http.parse_if_range_header('"Test"')
|
||
|
|
assert rv.etag == 'Test'
|
||
|
|
assert rv.date is None
|
||
|
|
assert rv.to_header() == '"Test"'
|
||
|
|
|
||
|
|
# weak information is dropped
|
||
|
|
rv = http.parse_if_range_header('w/"Test"')
|
||
|
|
assert rv.etag == 'Test'
|
||
|
|
assert rv.date is None
|
||
|
|
assert rv.to_header() == '"Test"'
|
||
|
|
|
||
|
|
# broken etags are supported too
|
||
|
|
rv = http.parse_if_range_header('bullshit')
|
||
|
|
assert rv.etag == 'bullshit'
|
||
|
|
assert rv.date is None
|
||
|
|
assert rv.to_header() == '"bullshit"'
|
||
|
|
|
||
|
|
rv = http.parse_if_range_header('Thu, 01 Jan 1970 00:00:00 GMT')
|
||
|
|
assert rv.etag is None
|
||
|
|
assert rv.date == datetime(1970, 1, 1)
|
||
|
|
assert rv.to_header() == 'Thu, 01 Jan 1970 00:00:00 GMT'
|
||
|
|
|
||
|
|
for x in '', None:
|
||
|
|
rv = http.parse_if_range_header(x)
|
||
|
|
assert rv.etag is None
|
||
|
|
assert rv.date is None
|
||
|
|
assert rv.to_header() == ''
|
||
|
|
|
||
|
|
def test_range_parsing():
|
||
|
|
rv = http.parse_range_header('bytes=52')
|
||
|
|
assert rv is None
|
||
|
|
|
||
|
|
rv = http.parse_range_header('bytes=52-')
|
||
|
|
assert rv.units == 'bytes'
|
||
|
|
assert rv.ranges == [(52, None)]
|
||
|
|
assert rv.to_header() == 'bytes=52-'
|
||
|
|
|
||
|
|
rv = http.parse_range_header('bytes=52-99')
|
||
|
|
assert rv.units == 'bytes'
|
||
|
|
assert rv.ranges == [(52, 100)]
|
||
|
|
assert rv.to_header() == 'bytes=52-99'
|
||
|
|
|
||
|
|
rv = http.parse_range_header('bytes=52-99,-1000')
|
||
|
|
assert rv.units == 'bytes'
|
||
|
|
assert rv.ranges == [(52, 100), (-1000, None)]
|
||
|
|
assert rv.to_header() == 'bytes=52-99,-1000'
|
||
|
|
|
||
|
|
rv = http.parse_range_header('bytes = 1 - 100')
|
||
|
|
assert rv.units == 'bytes'
|
||
|
|
assert rv.ranges == [(1, 101)]
|
||
|
|
assert rv.to_header() == 'bytes=1-100'
|
||
|
|
|
||
|
|
rv = http.parse_range_header('AWesomes=0-999')
|
||
|
|
assert rv.units == 'awesomes'
|
||
|
|
assert rv.ranges == [(0, 1000)]
|
||
|
|
assert rv.to_header() == 'awesomes=0-999'
|
||
|
|
|
||
|
|
def test_content_range_parsing():
|
||
|
|
rv = http.parse_content_range_header('bytes 0-98/*')
|
||
|
|
assert rv.units == 'bytes'
|
||
|
|
assert rv.start == 0
|
||
|
|
assert rv.stop == 99
|
||
|
|
assert rv.length is None
|
||
|
|
assert rv.to_header() == 'bytes 0-98/*'
|
||
|
|
|
||
|
|
rv = http.parse_content_range_header('bytes 0-98/*asdfsa')
|
||
|
|
assert rv is None
|
||
|
|
|
||
|
|
rv = http.parse_content_range_header('bytes 0-99/100')
|
||
|
|
assert rv.to_header() == 'bytes 0-99/100'
|
||
|
|
rv.start = None
|
||
|
|
rv.stop = None
|
||
|
|
assert rv.units == 'bytes'
|
||
|
|
assert rv.to_header() == 'bytes */100'
|
||
|
|
|
||
|
|
rv = http.parse_content_range_header('bytes */100')
|
||
|
|
assert rv.start is None
|
||
|
|
assert rv.stop is None
|
||
|
|
assert rv.length == 100
|
||
|
|
assert rv.units == 'bytes'
|
||
|
|
|
||
|
|
|
||
|
|
class RegressionTestCase(WerkzeugTestCase):
|
||
|
|
|
||
|
|
def test_best_match_works(self):
|
||
|
|
# was a bug in 0.6
|
||
|
|
rv = http.parse_accept_header('foo=,application/xml,application/xhtml+xml,'
|
||
|
|
'text/html;q=0.9,text/plain;q=0.8,'
|
||
|
|
'image/png,*/*;q=0.5',
|
||
|
|
datastructures.MIMEAccept).best_match(['foo/bar'])
|
||
|
|
self.assert_equal(rv, 'foo/bar')
|
||
|
|
|
||
|
|
|
||
|
|
def suite():
|
||
|
|
suite = unittest.TestSuite()
|
||
|
|
suite.addTest(unittest.makeSuite(HTTPUtilityTestCase))
|
||
|
|
suite.addTest(unittest.makeSuite(RegressionTestCase))
|
||
|
|
return suite
|