def test_digestauth_only_on_4xx():
"""Ensure we only send digestauth on 4xx challenges.
See https://github.com/requests/requests/issues/3772.
"""
text_200_chal = (b'HTTP/1.1 200 OK\r\n'
b'Content-Length: 0\r\n'
b'WWW-Authenticate: Digest nonce="6bf5d6e4da1ce66918800195d6b9130d"'
b', opaque="372825293d1c26955496c80ed6426e9e", '
b'realm="*****@*****.**", qop=auth\r\n\r\n')
auth = requests.auth.HTTPDigestAuth('user', 'pass')
def digest_response_handler(sock):
# Respond to GET with a 200 containing www-authenticate header.
request_content = consume_socket_content(sock, timeout=0.5)
assert request_content.startswith(b"GET / HTTP/1.1")
sock.send(text_200_chal)
# Verify the client didn't respond with auth.
request_content = consume_socket_content(sock, timeout=0.5)
assert request_content == b''
return request_content
close_server = threading.Event()
server = Server(digest_response_handler, wait_to_close_event=close_server)
with server as (host, port):
url = 'http://{0}:{1}/'.format(host, port)
r = requests.get(url, auth=auth)
# Verify server didn't receive auth from us.
assert r.status_code == 200
assert len(r.history) == 0
close_server.set()
def test_redirect_rfc1808_to_non_ascii_location():
path = u'š'
expected_path = b'%C5%A1'
redirect_request = [] # stores the second request to the server
def redirect_resp_handler(sock):
consume_socket_content(sock, timeout=0.5)
location = u'//{0}:{1}/{2}'.format(host, port, path)
sock.send(b'HTTP/1.1 301 Moved Permanently\r\n'
b'Content-Length: 0\r\n'
b'Location: ' + location.encode('utf8') + b'\r\n'
b'\r\n')
redirect_request.append(consume_socket_content(sock, timeout=0.5))
sock.send(b'HTTP/1.1 200 OK\r\n\r\n')
close_server = threading.Event()
server = Server(redirect_resp_handler, wait_to_close_event=close_server)
with server as (host, port):
url = u'http://{0}:{1}'.format(host, port)
r = requests.get(url=url, allow_redirects=True)
assert r.status_code == 200
assert len(r.history) == 1
assert r.history[0].status_code == 301
assert redirect_request[0].startswith(b'GET /' + expected_path +
b' HTTP/1.1')
assert r.url == u'{0}/{1}'.format(url, expected_path.decode('ascii'))
close_server.set()
def test_basic(self):
"""messages are sent and received properly"""
question = b"success?"
answer = b"yeah, success"
def handler(sock):
text = sock.recv(1000)
assert text == question
sock.sendall(answer)
with Server(handler) as (host, port):
sock = socket.socket()
sock.connect((host, port))
sock.sendall(question)
text = sock.recv(1000)
assert text == answer
sock.close()
def test_digestauth_401_only_sent_once():
"""Ensure we correctly respond to a 401 challenge once, and then
stop responding if challenged again.
"""
text_401 = (
b'HTTP/1.1 401 UNAUTHORIZED\r\n'
b'Content-Length: 0\r\n'
b'WWW-Authenticate: Digest nonce="6bf5d6e4da1ce66918800195d6b9130d"'
b', opaque="372825293d1c26955496c80ed6426e9e", '
b'realm="*****@*****.**", qop=auth\r\n\r\n')
expected_digest = (b'Authorization: Digest username="******", '
b'realm="*****@*****.**", '
b'nonce="6bf5d6e4da1ce66918800195d6b9130d", uri="/"')
auth = requests.auth.HTTPDigestAuth('user', 'pass')
def digest_failed_response_handler(sock):
# Respond to initial GET with a challenge.
request_content = consume_socket_content(sock, timeout=0.5)
assert request_content.startswith(b"GET / HTTP/1.1")
sock.send(text_401)
# Verify we receive an Authorization header in response, then
# challenge again.
request_content = consume_socket_content(sock, timeout=0.5)
assert expected_digest in request_content
sock.send(text_401)
# Verify the client didn't respond to second challenge.
request_content = consume_socket_content(sock, timeout=0.5)
assert request_content == b''
return request_content
close_server = threading.Event()
server = Server(digest_failed_response_handler,
wait_to_close_event=close_server)
with server as (host, port):
url = 'http://{0}:{1}/'.format(host, port)
r = requests.get(url, auth=auth)
# Verify server didn't authenticate us.
assert r.status_code == 401
assert r.history[0].status_code == 401
close_server.set()
def test_digestauth_401_count_reset_on_redirect():
"""Ensure we correctly reset num_401_calls after a successful digest auth,
followed by a 302 redirect to another digest auth prompt.
See https://github.com/requests/requests/issues/1979.
"""
text_401 = (b'HTTP/1.1 401 UNAUTHORIZED\r\n'
b'Content-Length: 0\r\n'
b'WWW-Authenticate: Digest nonce="6bf5d6e4da1ce66918800195d6b9130d"'
b', opaque="372825293d1c26955496c80ed6426e9e", '
b'realm="*****@*****.**", qop=auth\r\n\r\n')
text_302 = (b'HTTP/1.1 302 FOUND\r\n'
b'Content-Length: 0\r\n'
b'Location: /\r\n\r\n')
text_200 = (b'HTTP/1.1 200 OK\r\n'
b'Content-Length: 0\r\n\r\n')
expected_digest = (b'Authorization: Digest username="******", '
b'realm="*****@*****.**", '
b'nonce="6bf5d6e4da1ce66918800195d6b9130d", uri="/"')
auth = requests.auth.HTTPDigestAuth('user', 'pass')
def digest_response_handler(sock):
# Respond to initial GET with a challenge.
request_content = consume_socket_content(sock, timeout=0.5)
assert request_content.startswith(b"GET / HTTP/1.1")
sock.send(text_401)
# Verify we receive an Authorization header in response, then redirect.
request_content = consume_socket_content(sock, timeout=0.5)
assert expected_digest in request_content
sock.send(text_302)
# Verify Authorization isn't sent to the redirected host,
# then send another challenge.
request_content = consume_socket_content(sock, timeout=0.5)
assert b'Authorization:' not in request_content
sock.send(text_401)
# Verify Authorization is sent correctly again, and return 200 OK.
request_content = consume_socket_content(sock, timeout=0.5)
assert expected_digest in request_content
sock.send(text_200)
return request_content
close_server = threading.Event()
server = Server(digest_response_handler, wait_to_close_event=close_server)
with server as (host, port):
url = 'http://{0}:{1}/'.format(host, port)
r = requests.get(url, auth=auth)
# Verify server succeeded in authenticating.
assert r.status_code == 200
# Verify Authorization was sent in final request.
assert 'Authorization' in r.request.headers
assert r.request.headers['Authorization'].startswith('Digest ')
# Verify redirect happened as we expected.
assert r.history[0].status_code == 302
close_server.set()