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linkchecker/tests/test_url.py
Bastian Kleineidam e429dbcc13 Do not parse URL CGI part recursively.
2010-10-27 20:55:21 +02:00

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# -*- coding: iso-8859-1 -*-
# Copyright (C) 2004-2010 Bastian Kleineidam
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
"""
Test url routines.
"""
import unittest
import os
import re
import linkcheck.url
# 'ftp://user:pass@ftp.foo.net/foo/bar':
# 'ftp://user:pass@ftp.foo.net/foo/bar',
# 'http://USER:pass@www.Example.COM/foo/bar':
# 'http://USER:pass@www.example.com/foo/bar',
# '-': '-',
# All portions of the URI must be utf-8 encoded NFC form Unicode strings
#valid: http://example.com/?q=%C3%87 (C-cedilla U+00C7)
#valid: http://example.com/?q=%E2%85%A0 (Roman numeral one U+2160)
#invalid: http://example.com/?q=%C7 (C-cedilla ISO-8859-1)
#invalid: http://example.com/?q=C%CC%A7
# (Latin capital letter C + Combining cedilla U+0327)
def url_norm (url, encoding=None):
return linkcheck.url.url_norm(url, encoding=encoding)[0]
class TestUrl (unittest.TestCase):
"""Test url norming and quoting."""
def urlnormtest (self, url, nurl, encoding=None):
self.assertFalse(linkcheck.url.url_needs_quoting(nurl),
"Result URL %r must not need quoting" % nurl)
nurl1 = url_norm(url, encoding=encoding)
self.assertFalse(linkcheck.url.url_needs_quoting(nurl1),
"Normed URL %r needs quoting" % nurl)
self.assertEqual(nurl1, nurl)
def test_pathattack (self):
# Windows winamp path attack prevention.
url = "http://server/..%5c..%5c..%5c..%5c..%5c..%5c..%5c.."\
"%5ccskin.zip"
nurl = "http://server/cskin.zip"
self.assertEqual(linkcheck.url.url_quote(url_norm(url)), nurl)
def test_stripsite (self):
stripsite = linkcheck.url.stripsite
url = "http://example.org/a/b/c"
self.assertEqual(stripsite(url)[0], "example.org")
self.assertEqual(stripsite(url)[1], "/a/b/c")
def test_safe_patterns (self):
is_safe_host = linkcheck.url.is_safe_host
safe_host_pattern = linkcheck.url.safe_host_pattern
self.assertTrue(is_safe_host("example.org"))
self.assertTrue(is_safe_host("example.org:80"))
self.assertTrue(not is_safe_host("example.org:21"))
pat = safe_host_pattern("example.org")
ro = re.compile(pat)
self.assertTrue(ro.match("http://example.org:80/"))
def test_url_quote (self):
url_quote = linkcheck.url.url_quote
url = "http://a:80/bcd"
self.assertEqual(url_quote(url), url)
url = "http://a:80/bcd?"
url2 = "http://a:80/bcd"
self.assertEqual(url_quote(url), url2)
url = "http://a:80/bcd?a=b"
url2 = "http://a:80/bcd?a=b"
self.assertEqual(url_quote(url), url2)
url = "a/b"
self.assertEqual(url_quote(url), url)
url = "bcd?"
url2 = "bcd"
self.assertEqual(url_quote(url), url2)
url = "bcd?a=b"
url2 = "bcd?a=b"
self.assertEqual(url_quote(url), url2)
def test_norm_quote (self):
# Test url norm quoting.
url = "http://groups.google.com/groups?hl=en&lr&ie=UTF-8&"\
"threadm=3845B54D.E546F9BD%40monmouth.com&rnum=2&"\
"prev=/groups%3Fq%3Dlogitech%2Bwingman%2Bextreme%2Bdigital"\
"%2B3d%26hl%3Den%26lr%3D%26ie%3DUTF-8%26selm%3D3845B54D.E5"\
"46F9BD%2540monmouth.com%26rnum%3D2"
self.urlnormtest(url, url)
url = "http://redirect.alexa.com/redirect?"\
"http://www.offeroptimizer.com"
self.urlnormtest(url, url)
url = "http://www.lesgensducinema.com/photo/Philippe%20Nahon.jpg"
self.urlnormtest(url, url)
# Only perform percent-encoding where it is essential.
url = "http://example.com/%7Ejane"
nurl = "http://example.com/~jane"
self.urlnormtest(url, nurl)
url = "http://example.com/%7ejane"
self.urlnormtest(url, nurl)
# Always use uppercase A-through-F characters when percent-encoding.
url = "http://example.com/?q=1%2a2"
nurl = "http://example.com/?q=1%2A2"
self.urlnormtest(url, nurl)
# the no-quote chars
url = "http://example.com/a*+-();b"
self.urlnormtest(url, url)
url = "http://linkchecker.git.sourceforge.net/git/gitweb.cgi?p=linkchecker/linkchecker;a=blob;f=doc/changelog.txt;hb=HEAD"
self.urlnormtest(url, url)
url = "http://www.company.com/path/doc.html?url=/path2/doc2.html?foo=bar"
self.urlnormtest(url, url)
url = "http://example.com/#a b"
nurl = "http://example.com/#a%20b"
self.urlnormtest(url, nurl)
url = "http://example.com/?u=http://example2.com?b=c "
nurl = "http://example.com/?u=http://example2.com?b=c%20"
self.urlnormtest(url, nurl)
url = "http://example.com/?u=http://example2.com?b="
nurl = "http://example.com/?u=http://example2.com?b="
self.urlnormtest(url, nurl)
url = "http://localhost:8001/?quoted=<3D>"
nurl = "http://localhost:8001/?quoted=%FC"
self.urlnormtest(url, nurl, encoding="iso-8859-1")
url = "http://host/?a=b/c+d="
nurl = "http://host/?a=b/c%20d%3D"
self.urlnormtest(url, nurl)
def test_norm_case_sensitivity (self):
# Test url norm case sensitivity.
# Always provide the URI scheme in lowercase characters.
url = "HTTP://example.com/"
nurl = "http://example.com/"
self.urlnormtest(url, nurl)
# Always provide the host, if any, in lowercase characters.
url = "http://EXAMPLE.COM/"
nurl = "http://example.com/"
self.urlnormtest(url, nurl)
url = "http://EXAMPLE.COM:55/"
nurl = "http://example.com:55/"
self.urlnormtest(url, nurl)
def test_norm_defaultport (self):
# Test url norm default port recognition.
# For schemes that define a port, use an empty port if the default
# is desired
url = "http://example.com:80/"
nurl = "http://example.com/"
self.urlnormtest(url, nurl)
url = "http://example.com:8080/"
nurl = "http://example.com:8080/"
self.urlnormtest(url, nurl)
def test_norm_host_dot (self):
# Test url norm host dot removal.
url = "http://example.com./"
nurl = "http://example.com/"
self.urlnormtest(url, nurl)
url = "http://example.com.:81/"
nurl = "http://example.com:81/"
self.urlnormtest(url, nurl)
def test_norm_fragment (self):
# Test url norm fragment preserving.
# Empty fragment identifiers must be preserved:
url = "http://www.w3.org/2000/01/rdf-schema#"
nurl = url
self.urlnormtest(url, nurl)
url = "http://example.org/foo/ #a=1,2,3"
nurl = "http://example.org/foo/%20#a%3D1%2C2%2C3"
self.urlnormtest(url, nurl)
def test_norm_empty_path (self):
# Test url norm empty path handling.
# For schemes that define an empty path to be equivalent to a
# path of "/", use "/".
url = "http://example.com"
nurl = "http://example.com"
self.urlnormtest(url, nurl)
url = "http://example.com?a=b"
nurl = "http://example.com/?a=b"
self.urlnormtest(url, nurl)
url = "http://example.com#foo"
nurl = "http://example.com/#foo"
self.urlnormtest(url, nurl)
def test_norm_path_backslashes (self):
# Test url norm backslash path handling.
# note: this is not RFC conform (see url.py for more info)
url = r"http://example.com\test.html"
nurl = "http://example.com/test.html"
self.urlnormtest(url, nurl)
url = r"http://example.com/a\test.html"
nurl = "http://example.com/a/test.html"
self.urlnormtest(url, nurl)
url = r"http://example.com\a\test.html"
nurl = "http://example.com/a/test.html"
self.urlnormtest(url, nurl)
url = r"http://example.com\a/test.html"
nurl = "http://example.com/a/test.html"
self.urlnormtest(url, nurl)
def test_norm_path_slashes (self):
# Test url norm slashes in path handling.
# reduce duplicate slashes
url = "http://example.com//a/test.html"
nurl = "http://example.com/a/test.html"
self.urlnormtest(url, nurl)
url = "http://example.com//a/b/"
nurl = "http://example.com/a/b/"
self.urlnormtest(url, nurl)
def test_norm_path_dots (self):
# Test url norm dots in path handling.
# Prevent dot-segments appearing in non-relative URI paths.
url = "http://example.com/a/./b"
nurl = "http://example.com/a/b"
self.urlnormtest(url, nurl)
url = "http://example.com/a/../a/b"
self.urlnormtest(url, nurl)
url = "http://example.com/../a/b"
self.urlnormtest(url, nurl)
def test_norm_path_relative_dots (self):
# Test url norm relative path handling with dots.
# normalize redundant path segments
url = '/foo/bar/.'
nurl = '/foo/bar/'
self.urlnormtest(url, nurl)
url = '/foo/bar/./'
nurl = '/foo/bar/'
self.urlnormtest(url, nurl)
url = '/foo/bar/..'
nurl = '/foo/'
self.urlnormtest(url, nurl)
url = '/foo/bar/../'
nurl = '/foo/'
self.urlnormtest(url, nurl)
url = '/foo/bar/../baz'
nurl = '/foo/baz'
self.urlnormtest(url, nurl)
url = '/foo/bar/../..'
nurl = '/'
self.urlnormtest(url, nurl)
url = '/foo/bar/../../'
nurl = '/'
self.urlnormtest(url, nurl)
url = '/foo/bar/../../baz'
nurl = '/baz'
self.urlnormtest(url, nurl)
url = '/foo/bar/../../../baz'
nurl = '/baz'
self.urlnormtest(url, nurl)
url = '/foo/bar/../../../../baz'
nurl = '/baz'
self.urlnormtest(url, nurl)
url = '/./foo'
nurl = '/foo'
self.urlnormtest(url, nurl)
url = '/../foo'
nurl = '/foo'
self.urlnormtest(url, nurl)
url = '/foo.'
nurl = url
self.urlnormtest(url, nurl)
url = '/.foo'
nurl = url
self.urlnormtest(url, nurl)
url = '/foo..'
nurl = url
self.urlnormtest(url, nurl)
url = '/..foo'
nurl = url
self.urlnormtest(url, nurl)
url = '/./../foo'
nurl = '/foo'
self.urlnormtest(url, nurl)
url = '/./foo/.'
nurl = '/foo/'
self.urlnormtest(url, nurl)
url = '/foo/./bar'
nurl = '/foo/bar'
self.urlnormtest(url, nurl)
url = '/foo/../bar'
nurl = '/bar'
self.urlnormtest(url, nurl)
url = '../../../images/miniXmlButton.gif'
nurl = url
self.urlnormtest(url, nurl)
url = '/a..b/../images/miniXmlButton.gif'
nurl = '/images/miniXmlButton.gif'
self.urlnormtest(url, nurl)
url = '/.a.b/../foo/'
nurl = '/foo/'
self.urlnormtest(url, nurl)
url = '/..a.b/../foo/'
nurl = '/foo/'
self.urlnormtest(url, nurl)
url = 'b/../../foo/'
nurl = '../foo/'
self.urlnormtest(url, nurl)
url = './foo'
nurl = 'foo'
self.urlnormtest(url, nurl)
def test_norm_path_relative_slashes (self):
# Test url norm relative path handling with slashes.
url = '/foo//'
nurl = '/foo/'
self.urlnormtest(url, nurl)
url = '/foo///bar//'
nurl = '/foo/bar/'
self.urlnormtest(url, nurl)
def test_mail_url (self):
# Test mailto URLs.
# no netloc and no path
url = 'mailto:'
nurl = url
self.urlnormtest(url, nurl)
# standard email
url = 'mailto:user@www.example.org'
nurl = url
self.urlnormtest(url, nurl)
# emails with subject
url = 'mailto:user@www.example.org?subject=a_b'
nurl = url
self.urlnormtest(url, nurl)
url = 'mailto:business.inquiries@designingpatterns.com?subject=Business%20Inquiry'
nurl = url
self.urlnormtest(url, nurl)
def test_norm_other (self):
# Test norming of other schemes.
url = 'news:'
nurl = 'news:'
self.urlnormtest(url, nurl)
url = 'snews:'
nurl = 'snews://'
self.urlnormtest(url, nurl)
url = 'nntp:'
nurl = 'nntp://'
self.urlnormtest(url, nurl)
url = "news:!$%&/()="
nurl = 'news:!%24%25%26/()='
self.urlnormtest(url, nurl)
url = "news:comp.infosystems.www.servers.unix"
nurl = url
self.urlnormtest(url, nurl)
# javascript url
url = "javascript:loadthis()"
nurl = url
self.urlnormtest(url, nurl)
# ldap url
url = "ldap://[2001:db8::7]/c=GB?objectClass?one"
nurl = "ldap://%5B2001:db8::7%5D/c=GB%3FobjectClass%3Fone"
self.urlnormtest(url, nurl)
url = "tel:+1-816-555-1212"
nurl = url
self.urlnormtest(url, nurl)
url = "urn:oasis:names:specification:docbook:dtd:xml:4.1.2"
nurl = "urn:oasis%3Anames%3Aspecification%3Adocbook%3Adtd%3Axml%3A4.1.2"
self.urlnormtest(url, nurl)
def test_norm_with_auth (self):
# Test norming of URLs with authentication tokens.
url = "telnet://user@www.example.org"
nurl = url
self.urlnormtest(url, nurl)
url = "telnet://user:pass@www.example.org"
nurl = url
self.urlnormtest(url, nurl)
url = "http://user:pass@www.example.org/"
nurl = url
self.urlnormtest(url, nurl)
def test_norm_file1 (self):
url = "file:///a/b.txt"
nurl = url
self.urlnormtest(url, nurl)
def test_norm_file2 (self):
url = "file://C|/a/b.txt"
nurl = "file://c%7C/a/b.txt"
self.urlnormtest(url, nurl)
def test_norm_file_unicode (self):
url = u"file:///a/b.txt"
nurl = url
self.urlnormtest(url, nurl)
url = u"file:///a/<2F>.txt"
nurl = u"file:///a/%E4.txt"
self.urlnormtest(url, nurl, encoding="iso-8859-1")
#url = u"file:///\u041c\u043e\u0448\u043a\u043e\u0432\u0430.bin"
#nurl = u"file:///a.bin" # XXX
#self.urlnormtest(url, nurl)
def test_norm_invalid (self):
url = u"<EFBFBD><EFBFBD><EFBFBD>?:"
nurl = u"%E4%F6%FC?:"
self.urlnormtest(url, nurl, encoding="iso-8859-1")
def test_fixing (self):
# Test url fix method.
url = "http//www.example.org"
nurl = "http://www.example.org"
self.assertEqual(linkcheck.url.url_fix_common_typos(url), nurl)
url = u"http//www.example.org"
nurl = u"http://www.example.org"
self.assertEqual(linkcheck.url.url_fix_common_typos(url), nurl)
url = u"https//www.example.org"
nurl = u"https://www.example.org"
self.assertEqual(linkcheck.url.url_fix_common_typos(url), nurl)
def test_valid (self):
# Test url validity functions.
u = "http://www.example.com"
self.assertTrue(linkcheck.url.is_safe_url(u), u)
u = "http://www.example.com/"
self.assertTrue(linkcheck.url.is_safe_url(u), u)
u = "http://www.example.com/~calvin"
self.assertTrue(linkcheck.url.is_safe_url(u), u)
u = "http://www.example.com/a,b"
self.assertTrue(linkcheck.url.is_safe_url(u), u)
u = "http://www.example.com#anchor55"
self.assertTrue(linkcheck.url.is_safe_url(u), u)
def test_needs_quoting (self):
# Test url quoting necessity.
url = "mailto:<calvin@example.org>?subject=Halli Hallo"
self.assertTrue(linkcheck.url.url_needs_quoting(url), repr(url))
url = " http://www.example.com/"
self.assertTrue(linkcheck.url.url_needs_quoting(url), repr(url))
url = "http://www.example.com/ "
self.assertTrue(linkcheck.url.url_needs_quoting(url), repr(url))
url = "http://www.example.com/\n"
self.assertTrue(linkcheck.url.url_needs_quoting(url), repr(url))
url = "\nhttp://www.example.com/"
self.assertTrue(linkcheck.url.url_needs_quoting(url), repr(url))
url = "http://www.example.com/#a!"
self.assertTrue(not linkcheck.url.url_needs_quoting(url), repr(url))
url = "http://www.example.com/#a b"
self.assertTrue(linkcheck.url.url_needs_quoting(url), repr(url))
def test_absolute_url (self):
url = "hutzli:"
self.assertTrue(linkcheck.url.url_is_absolute(url), repr(url))
url = "file:/"
self.assertTrue(linkcheck.url.url_is_absolute(url), repr(url))
url = ":"
self.assertTrue(not linkcheck.url.url_is_absolute(url), repr(url))
url = "/a/b?http://"
self.assertTrue(not linkcheck.url.url_is_absolute(url), repr(url))
def test_nopathquote_chars (self):
if os.name == 'nt':
url = "file:///c|/msys/"
nurl = url
self.assertEqual(url_norm(url), nurl)
self.assertTrue(not linkcheck.url.url_needs_quoting(url))
url = "http://hulla/a/b/!?c=d"
nurl = url
self.assertEqual(url_norm(url), nurl)
def test_idn_encoding (self):
# Test idna encoding.
url = u'www.<2E>ko.de'
idna_encode = linkcheck.url.idna_encode
encurl, is_idn = idna_encode(url)
self.assertTrue(is_idn)
self.assertTrue(encurl)
url = u''
encurl, is_idn = idna_encode(url)
self.assertFalse(is_idn)
self.assertFalse(encurl)
url = u"<EFBFBD>.."
self.assertRaises(UnicodeError, idna_encode, url)
def test_match_host (self):
# Test host matching.
match_host = linkcheck.url.match_host
match_url = linkcheck.url.match_url
self.assertTrue(not match_host("", []))
self.assertTrue(not match_host("", [".localhost"]))
self.assertTrue(not match_host("localhost", []))
self.assertTrue(not match_host("localhost", [".localhost"]))
self.assertTrue(match_host("a.localhost", [".localhost"]))
self.assertTrue(match_host("localhost", ["localhost"]))
self.assertTrue(not match_url("", []))
self.assertTrue(not match_url("a", []))
self.assertTrue(match_url("http://example.org/hulla", ["example.org"]))
def test_splitparam (self):
# Path parameter split test.
p = [
("", ("", "")),
("/", ("/", "")),
("a", ("a", "")),
("a;", ("a", "")),
("a/b;c/d;e", ("a/b;c/d", "e")),
]
for x in p:
self._splitparam(x)
def _splitparam (self, x):
self.assertEqual(linkcheck.url.splitparams(x[0]), (x[1][0], x[1][1]))
def test_cgi_split (self):
# Test cgi parameter splitting.
u = "scid=kb;en-us;Q248840"
self.assertEqual(linkcheck.url.url_parse_query(u), u)
u = "scid=kb;en-us;Q248840&b=c;hulla=bulla"
self.assertEqual(linkcheck.url.url_parse_query(u), u)
def test_long_cgi (self):
u = "/test%s;" % ("?a="*1000)
self.assertEqual(linkcheck.url.url_parse_query(u), u)
def test_port (self):
is_numeric_port = linkcheck.url.is_numeric_port
self.assertTrue(is_numeric_port("80"))
self.assertTrue(is_numeric_port("1"))
self.assertFalse(is_numeric_port("0"))
self.assertFalse(is_numeric_port("66000"))
self.assertFalse(is_numeric_port("-1"))
self.assertFalse(is_numeric_port("a"))
def test_split (self):
url_split = linkcheck.url.url_split
url_unsplit = linkcheck.url.url_unsplit
url = "http://example.org/whoops"
self.assertEqual(url_unsplit(url_split(url)), url)
url = "http://example.org:123/whoops"
self.assertEqual(url_unsplit(url_split(url)), url)
def test_safe_domain (self):
is_safe_domain = linkcheck.url.is_safe_domain
self.assertFalse(is_safe_domain(u"a..example.com"))
self.assertFalse(is_safe_domain(u"a_b.example.com"))
self.assertTrue(is_safe_domain(u"a-b.example.com"))
self.assertTrue(is_safe_domain(u"x1.example.com"))
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