FM / test

/usr/lib/python3/dist-packages/twisted/web/test/

/usr/lib/python3/dist-packages/twisted/web/test

Name	Size	Mode	Actions
__pycache__/	-	0755	rm
injectionhelpers.py	5627	0644	edit dl rm
requesthelper.py	13406	0644	edit dl rm
test_agent.py	117805	0644	edit dl rm
test_cgi.py	13761	0644	edit dl rm
test_client.py	1372	0644	edit dl rm
test_distrib.py	18288	0644	edit dl rm
test_domhelpers.py	11103	0644	edit dl rm
test_error.py	16210	0644	edit dl rm
test_flatten.py	18259	0644	edit dl rm
test_html.py	1264	0644	edit dl rm
test_http.py	136566	0644	edit dl rm
test_http2.py	109983	0644	edit dl rm
test_httpauth.py	24128	0644	edit dl rm
test_http_headers.py	20386	0644	edit dl rm
test_newclient.py	108751	0644	edit dl rm
test_proxy.py	20092	0644	edit dl rm
test_resource.py	8214	0644	edit dl rm
test_script.py	3784	0644	edit dl rm
test_stan.py	5667	0644	edit dl rm
test_static.py	67858	0644	edit dl rm
test_tap.py	10947	0644	edit dl rm
test_template.py	25977	0644	edit dl rm
test_util.py	13900	0644	edit dl rm
test_vhost.py	7917	0644	edit dl rm
test_web.py	65996	0644	edit dl rm
test_webclient.py	59615	0644	edit dl rm
test_web__responses.py	877	0644	edit dl rm
test_wsgi.py	78210	0644	edit dl rm
test_xml.py	42357	0644	edit dl rm
test_xmlrpc.py	30302	0644	edit dl rm
_util.py	2568	0644	edit dl rm
__init__.py	108	0644	edit dl rm

Edit: /usr/lib/python3/dist-packages/twisted/web/test/injectionhelpers.py (5627B)

"""
Helpers for URI and method injection tests.

@see: U{CVE-2019-12387}
"""

import string

UNPRINTABLE_ASCII = (
    frozenset(range(0, 128)) -
    frozenset(bytearray(string.printable, 'ascii'))
)

NONASCII = frozenset(range(128, 256))

class MethodInjectionTestsMixin(object):
    """
    A mixin that runs HTTP method injection tests.  Define
    L{MethodInjectionTestsMixin.attemptRequestWithMaliciousMethod} in
    a L{twisted.trial.unittest.SynchronousTestCase} subclass to test
    how HTTP client code behaves when presented with malicious HTTP
    methods.

@see: U{CVE-2019-12387}
    """

def attemptRequestWithMaliciousMethod(self, method):
        """
        Attempt to send a request with the given method.  This should
        synchronously raise a L{ValueError} if either is invalid.

@param method: the method (e.g. C{GET\x00})

@param uri: the URI

@type method:
        """
        raise NotImplementedError()

def test_methodWithCLRFRejected(self):
        """
        Issuing a request with a method that contains a carriage
        return and line feed fails with a L{ValueError}.
        """
        with self.assertRaises(ValueError) as cm:
            method = b"GET\r\nX-Injected-Header: value"
            self.attemptRequestWithMaliciousMethod(method)
        self.assertRegex(str(cm.exception), "^Invalid method")

def test_methodWithUnprintableASCIIRejected(self):
        """
        Issuing a request with a method that contains unprintable
        ASCII characters fails with a L{ValueError}.
        """
        for c in UNPRINTABLE_ASCII:
            method = b"GET%s" % (bytearray([c]),)
            with self.assertRaises(ValueError) as cm:
                self.attemptRequestWithMaliciousMethod(method)
            self.assertRegex(str(cm.exception), "^Invalid method")

def test_methodWithNonASCIIRejected(self):
        """
        Issuing a request with a method that contains non-ASCII
        characters fails with a L{ValueError}.
        """
        for c in NONASCII:
            method = b"GET%s" % (bytearray([c]),)
            with self.assertRaises(ValueError) as cm:
                self.attemptRequestWithMaliciousMethod(method)
            self.assertRegex(str(cm.exception), "^Invalid method")

class URIInjectionTestsMixin(object):
    """
    A mixin that runs HTTP URI injection tests.  Define
    L{MethodInjectionTestsMixin.attemptRequestWithMaliciousURI} in a
    L{twisted.trial.unittest.SynchronousTestCase} subclass to test how
    HTTP client code behaves when presented with malicious HTTP
    URIs.
    """

def attemptRequestWithMaliciousURI(self, method):
        """
        Attempt to send a request with the given URI.  This should
        synchronously raise a L{ValueError} if either is invalid.

@param uri: the URI.

@type method:
        """
        raise NotImplementedError()

def test_hostWithCRLFRejected(self):
        """
        Issuing a request with a URI whose host contains a carriage
        return and line feed fails with a L{ValueError}.
        """
        with self.assertRaises(ValueError) as cm:
            uri = b"http://twisted\r\n.invalid/path"
            self.attemptRequestWithMaliciousURI(uri)
        self.assertRegex(str(cm.exception), "^Invalid URI")

def test_hostWithWithUnprintableASCIIRejected(self):
        """
        Issuing a request with a URI whose host contains unprintable
        ASCII characters fails with a L{ValueError}.
        """
        for c in UNPRINTABLE_ASCII:
            uri = b"http://twisted%s.invalid/OK" % (bytearray([c]),)
            with self.assertRaises(ValueError) as cm:
                self.attemptRequestWithMaliciousURI(uri)
            self.assertRegex(str(cm.exception), "^Invalid URI")

def test_hostWithNonASCIIRejected(self):
        """
        Issuing a request with a URI whose host contains non-ASCII
        characters fails with a L{ValueError}.
        """
        for c in NONASCII:
            uri = b"http://twisted%s.invalid/OK" % (bytearray([c]),)
            with self.assertRaises(ValueError) as cm:
                self.attemptRequestWithMaliciousURI(uri)
            self.assertRegex(str(cm.exception), "^Invalid URI")

def test_pathWithCRLFRejected(self):
        """
        Issuing a request with a URI whose path contains a carriage
        return and line feed fails with a L{ValueError}.
        """
        with self.assertRaises(ValueError) as cm:
            uri = b"http://twisted.invalid/\r\npath"
            self.attemptRequestWithMaliciousURI(uri)
        self.assertRegex(str(cm.exception), "^Invalid URI")

def test_pathWithWithUnprintableASCIIRejected(self):
        """
        Issuing a request with a URI whose path contains unprintable
        ASCII characters fails with a L{ValueError}.
        """
        for c in UNPRINTABLE_ASCII:
            uri = b"http://twisted.invalid/OK%s" % (bytearray([c]),)
            with self.assertRaises(ValueError) as cm:
                self.attemptRequestWithMaliciousURI(uri)
            self.assertRegex(str(cm.exception), "^Invalid URI")

def test_pathWithNonASCIIRejected(self):
        """
        Issuing a request with a URI whose path contains non-ASCII
        characters fails with a L{ValueError}.
        """
        for c in NONASCII:
            uri = b"http://twisted.invalid/OK%s" % (bytearray([c]),)
            with self.assertRaises(ValueError) as cm:
                self.attemptRequestWithMaliciousURI(uri)
            self.assertRegex(str(cm.exception), "^Invalid URI")

cmd: