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from hashlib import md5, sha1
import cherrypy
from cherrypy._cpcompat import ntob
from cherrypy.lib import httpauth
from cherrypy.test import helper
class HTTPAuthTest(helper.CPWebCase):
def setup_server():
class Root:
def index(self):
return "This is public."
index.exposed = True
class DigestProtected:
def index(self):
return "Hello %s, you've been authorized." % (
cherrypy.request.login)
index.exposed = True
class BasicProtected:
def index(self):
return "Hello %s, you've been authorized." % (
cherrypy.request.login)
index.exposed = True
class BasicProtected2:
def index(self):
return "Hello %s, you've been authorized." % (
cherrypy.request.login)
index.exposed = True
def fetch_users():
return {'test': 'test'}
def sha_password_encrypter(password):
return sha1(ntob(password)).hexdigest()
def fetch_password(username):
return sha1(ntob('test')).hexdigest()
conf = {
'/digest': {
'tools.digest_auth.on': True,
'tools.digest_auth.realm': 'localhost',
'tools.digest_auth.users': fetch_users
},
'/basic': {
'tools.basic_auth.on': True,
'tools.basic_auth.realm': 'localhost',
'tools.basic_auth.users': {
'test': md5(ntob('test')).hexdigest()
}
},
'/basic2': {
'tools.basic_auth.on': True,
'tools.basic_auth.realm': 'localhost',
'tools.basic_auth.users': fetch_password,
'tools.basic_auth.encrypt': sha_password_encrypter
}
}
root = Root()
root.digest = DigestProtected()
root.basic = BasicProtected()
root.basic2 = BasicProtected2()
cherrypy.tree.mount(root, config=conf)
setup_server = staticmethod(setup_server)
def testPublic(self):
self.getPage("/")
self.assertStatus('200 OK')
self.assertHeader('Content-Type', 'text/html;charset=utf-8')
self.assertBody('This is public.')
def testBasic(self):
self.getPage("/basic/")
self.assertStatus(401)
self.assertHeader('WWW-Authenticate', 'Basic realm="localhost"')
self.getPage('/basic/', [('Authorization', 'Basic dGVzdDp0ZX60')])
self.assertStatus(401)
self.getPage('/basic/', [('Authorization', 'Basic dGVzdDp0ZXN0')])
self.assertStatus('200 OK')
self.assertBody("Hello test, you've been authorized.")
def testBasic2(self):
self.getPage("/basic2/")
self.assertStatus(401)
self.assertHeader('WWW-Authenticate', 'Basic realm="localhost"')
self.getPage('/basic2/', [('Authorization', 'Basic dGVzdDp0ZX60')])
self.assertStatus(401)
self.getPage('/basic2/', [('Authorization', 'Basic dGVzdDp0ZXN0')])
self.assertStatus('200 OK')
self.assertBody("Hello test, you've been authorized.")
def testDigest(self):
self.getPage("/digest/")
self.assertStatus(401)
value = None
for k, v in self.headers:
if k.lower() == "www-authenticate":
if v.startswith("Digest"):
value = v
break
if value is None:
self._handlewebError(
"Digest authentification scheme was not found")
value = value[7:]
items = value.split(', ')
tokens = {}
for item in items:
key, value = item.split('=')
tokens[key.lower()] = value
missing_msg = "%s is missing"
bad_value_msg = "'%s' was expecting '%s' but found '%s'"
nonce = None
if 'realm' not in tokens:
self._handlewebError(missing_msg % 'realm')
elif tokens['realm'] != '"localhost"':
self._handlewebError(bad_value_msg %
('realm', '"localhost"', tokens['realm']))
if 'nonce' not in tokens:
self._handlewebError(missing_msg % 'nonce')
else:
nonce = tokens['nonce'].strip('"')
if 'algorithm' not in tokens:
self._handlewebError(missing_msg % 'algorithm')
elif tokens['algorithm'] != '"MD5"':
self._handlewebError(bad_value_msg %
('algorithm', '"MD5"', tokens['algorithm']))
if 'qop' not in tokens:
self._handlewebError(missing_msg % 'qop')
elif tokens['qop'] != '"auth"':
self._handlewebError(bad_value_msg %
('qop', '"auth"', tokens['qop']))
# Test a wrong 'realm' value
base_auth = (
'Digest '
'username="test", '
'realm="wrong realm", '
'nonce="%s", '
'uri="/digest/", '
'algorithm=MD5, '
'response="%s", '
'qop=auth, '
'nc=%s, '
'cnonce="1522e61005789929"'
)
auth = base_auth % (nonce, '', '00000001')
params = httpauth.parseAuthorization(auth)
response = httpauth._computeDigestResponse(params, 'test')
auth = base_auth % (nonce, response, '00000001')
self.getPage('/digest/', [('Authorization', auth)])
self.assertStatus(401)
# Test that must pass
base_auth = (
'Digest '
'username="test", '
'realm="localhost", '
'nonce="%s", '
'uri="/digest/", '
'algorithm=MD5, '
'response="%s", '
'qop=auth, '
'nc=%s, '
'cnonce="1522e61005789929"'
)
auth = base_auth % (nonce, '', '00000001')
params = httpauth.parseAuthorization(auth)
response = httpauth._computeDigestResponse(params, 'test')
auth = base_auth % (nonce, response, '00000001')
self.getPage('/digest/', [('Authorization', auth)])
self.assertStatus('200 OK')
self.assertBody("Hello test, you've been authorized.")
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