mirror of
https://github.com/Grasscutters/mitmproxy.git
synced 2024-11-23 08:11:00 +00:00
137 lines
3.8 KiB
Python
137 lines
3.8 KiB
Python
from __future__ import (absolute_import, print_function, division)
|
|
from argparse import Action, ArgumentTypeError
|
|
from . import http
|
|
|
|
|
|
class NullProxyAuth():
|
|
"""
|
|
No proxy auth at all (returns empty challange headers)
|
|
"""
|
|
def __init__(self, password_manager):
|
|
self.password_manager = password_manager
|
|
|
|
def clean(self, headers):
|
|
"""
|
|
Clean up authentication headers, so they're not passed upstream.
|
|
"""
|
|
pass
|
|
|
|
def authenticate(self, headers):
|
|
"""
|
|
Tests that the user is allowed to use the proxy
|
|
"""
|
|
return True
|
|
|
|
def auth_challenge_headers(self):
|
|
"""
|
|
Returns a dictionary containing the headers require to challenge the user
|
|
"""
|
|
return {}
|
|
|
|
|
|
class BasicProxyAuth(NullProxyAuth):
|
|
CHALLENGE_HEADER = 'Proxy-Authenticate'
|
|
AUTH_HEADER = 'Proxy-Authorization'
|
|
|
|
def __init__(self, password_manager, realm):
|
|
NullProxyAuth.__init__(self, password_manager)
|
|
self.realm = realm
|
|
|
|
def clean(self, headers):
|
|
del headers[self.AUTH_HEADER]
|
|
|
|
def authenticate(self, headers):
|
|
auth_value = headers.get(self.AUTH_HEADER, [])
|
|
if not auth_value:
|
|
return False
|
|
parts = http.parse_http_basic_auth(auth_value[0])
|
|
if not parts:
|
|
return False
|
|
scheme, username, password = parts
|
|
if scheme.lower()!='basic':
|
|
return False
|
|
if not self.password_manager.test(username, password):
|
|
return False
|
|
self.username = username
|
|
return True
|
|
|
|
def auth_challenge_headers(self):
|
|
return {self.CHALLENGE_HEADER:'Basic realm="%s"'%self.realm}
|
|
|
|
|
|
class PassMan():
|
|
def test(self, username, password_token):
|
|
return False
|
|
|
|
|
|
class PassManNonAnon:
|
|
"""
|
|
Ensure the user specifies a username, accept any password.
|
|
"""
|
|
def test(self, username, password_token):
|
|
if username:
|
|
return True
|
|
return False
|
|
|
|
|
|
class PassManHtpasswd:
|
|
"""
|
|
Read usernames and passwords from an htpasswd file
|
|
"""
|
|
def __init__(self, path):
|
|
"""
|
|
Raises ValueError if htpasswd file is invalid.
|
|
"""
|
|
import passlib.apache
|
|
self.htpasswd = passlib.apache.HtpasswdFile(path)
|
|
|
|
def test(self, username, password_token):
|
|
return bool(self.htpasswd.check_password(username, password_token))
|
|
|
|
|
|
class PassManSingleUser:
|
|
def __init__(self, username, password):
|
|
self.username, self.password = username, password
|
|
|
|
def test(self, username, password_token):
|
|
return self.username==username and self.password==password_token
|
|
|
|
|
|
class AuthAction(Action):
|
|
"""
|
|
Helper class to allow seamless integration int argparse. Example usage:
|
|
parser.add_argument(
|
|
"--nonanonymous",
|
|
action=NonanonymousAuthAction, nargs=0,
|
|
help="Allow access to any user long as a credentials are specified."
|
|
)
|
|
"""
|
|
def __call__(self, parser, namespace, values, option_string=None):
|
|
passman = self.getPasswordManager(values)
|
|
authenticator = BasicProxyAuth(passman, "mitmproxy")
|
|
setattr(namespace, self.dest, authenticator)
|
|
|
|
def getPasswordManager(self, s): # pragma: nocover
|
|
raise NotImplementedError()
|
|
|
|
|
|
class SingleuserAuthAction(AuthAction):
|
|
def getPasswordManager(self, s):
|
|
if len(s.split(':')) != 2:
|
|
raise ArgumentTypeError(
|
|
"Invalid single-user specification. Please use the format username:password"
|
|
)
|
|
username, password = s.split(':')
|
|
return PassManSingleUser(username, password)
|
|
|
|
|
|
class NonanonymousAuthAction(AuthAction):
|
|
def getPasswordManager(self, s):
|
|
return PassManNonAnon()
|
|
|
|
|
|
class HtpasswdAuthAction(AuthAction):
|
|
def getPasswordManager(self, s):
|
|
return PassManHtpasswd(s)
|
|
|