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# -*- coding: utf-8 -*-
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"""
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rhodecode.lib.auth
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~~~~~~~~~~~~~~~~~~
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authentication and permission libraries
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:created_on: Apr 4, 2010
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:author: marcink
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:copyright: (C) 2010-2012 Marcin Kuzminski <marcin@python-works.com>
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:license: GPLv3, see COPYING for more details.
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"""
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import random
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import logging
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import traceback
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import hashlib
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from tempfile import _RandomNameSequence
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from decorator import decorator
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from pylons import config, url, request
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from pylons.controllers.util import abort, redirect
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from pylons.i18n.translation import _
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from sqlalchemy.orm.exc import ObjectDeletedError
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from rhodecode import __platform__, is_windows, is_unix
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from rhodecode.model.meta import Session
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from rhodecode.lib.utils2 import str2bool, safe_unicode, aslist
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from rhodecode.lib.exceptions import LdapPasswordError, LdapUsernameError,\
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LdapImportError
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from rhodecode.lib.utils import get_repo_slug, get_repos_group_slug,\
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get_user_group_slug
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from rhodecode.lib.auth_ldap import AuthLdap
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from rhodecode.model import meta
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from rhodecode.model.user import UserModel
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from rhodecode.model.db import Permission, RhodeCodeSetting, User, UserIpMap
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from rhodecode.lib.caching_query import FromCache
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log = logging.getLogger(__name__)
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class PasswordGenerator(object):
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"""
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This is a simple class for generating password from different sets of
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characters
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usage::
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passwd_gen = PasswordGenerator()
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#print 8-letter password containing only big and small letters
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of alphabet
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passwd_gen.gen_password(8, passwd_gen.ALPHABETS_BIG_SMALL)
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"""
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ALPHABETS_NUM = r'''1234567890'''
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ALPHABETS_SMALL = r'''qwertyuiopasdfghjklzxcvbnm'''
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ALPHABETS_BIG = r'''QWERTYUIOPASDFGHJKLZXCVBNM'''
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ALPHABETS_SPECIAL = r'''`-=[]\;',./~!@#$%^&*()_+{}|:"<>?'''
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ALPHABETS_FULL = ALPHABETS_BIG + ALPHABETS_SMALL \
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+ ALPHABETS_NUM + ALPHABETS_SPECIAL
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ALPHABETS_ALPHANUM = ALPHABETS_BIG + ALPHABETS_SMALL + ALPHABETS_NUM
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ALPHABETS_BIG_SMALL = ALPHABETS_BIG + ALPHABETS_SMALL
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ALPHABETS_ALPHANUM_BIG = ALPHABETS_BIG + ALPHABETS_NUM
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ALPHABETS_ALPHANUM_SMALL = ALPHABETS_SMALL + ALPHABETS_NUM
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def __init__(self, passwd=''):
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self.passwd = passwd
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def gen_password(self, length, type_=None):
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if type_ is None:
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type_ = self.ALPHABETS_FULL
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self.passwd = ''.join([random.choice(type_) for _ in xrange(length)])
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return self.passwd
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class RhodeCodeCrypto(object):
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@classmethod
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def hash_string(cls, str_):
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"""
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Cryptographic function used for password hashing based on pybcrypt
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or pycrypto in windows
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:param password: password to hash
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"""
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if is_windows:
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from hashlib import sha256
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return sha256(str_).hexdigest()
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elif is_unix:
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import bcrypt
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return bcrypt.hashpw(str_, bcrypt.gensalt(10))
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else:
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raise Exception('Unknown or unsupported platform %s' \
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% __platform__)
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@classmethod
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def hash_check(cls, password, hashed):
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"""
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Checks matching password with it's hashed value, runs different
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implementation based on platform it runs on
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:param password: password
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:param hashed: password in hashed form
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"""
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if is_windows:
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from hashlib import sha256
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return sha256(password).hexdigest() == hashed
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elif is_unix:
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import bcrypt
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return bcrypt.hashpw(password, hashed) == hashed
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else:
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raise Exception('Unknown or unsupported platform %s' \
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% __platform__)
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def get_crypt_password(password):
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return RhodeCodeCrypto.hash_string(password)
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def check_password(password, hashed):
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return RhodeCodeCrypto.hash_check(password, hashed)
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def generate_api_key(str_, salt=None):
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"""
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Generates API KEY from given string
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:param str_:
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:param salt:
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"""
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if salt is None:
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salt = _RandomNameSequence().next()
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return hashlib.sha1(str_ + salt).hexdigest()
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def authfunc(environ, username, password):
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"""
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Dummy authentication wrapper function used in Mercurial and Git for
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access control.
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:param environ: needed only for using in Basic auth
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"""
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return authenticate(username, password)
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def authenticate(username, password):
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"""
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Authentication function used for access control,
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firstly checks for db authentication then if ldap is enabled for ldap
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authentication, also creates ldap user if not in database
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:param username: username
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:param password: password
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"""
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user_model = UserModel()
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user = User.get_by_username(username)
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log.debug('Authenticating user using RhodeCode account')
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if user is not None and not user.ldap_dn:
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if user.active:
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if user.username == 'default' and user.active:
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log.info('user %s authenticated correctly as anonymous user' %
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username)
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return True
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elif user.username == username and check_password(password,
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user.password):
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log.info('user %s authenticated correctly' % username)
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return True
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else:
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log.warning('user %s tried auth but is disabled' % username)
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else:
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log.debug('Regular authentication failed')
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user_obj = User.get_by_username(username, case_insensitive=True)
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if user_obj is not None and not user_obj.ldap_dn:
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log.debug('this user already exists as non ldap')
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return False
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ldap_settings = RhodeCodeSetting.get_ldap_settings()
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#======================================================================
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# FALLBACK TO LDAP AUTH IF ENABLE
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#======================================================================
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if str2bool(ldap_settings.get('ldap_active')):
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log.debug("Authenticating user using ldap")
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kwargs = {
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'server': ldap_settings.get('ldap_host', ''),
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'base_dn': ldap_settings.get('ldap_base_dn', ''),
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'port': ldap_settings.get('ldap_port'),
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'bind_dn': ldap_settings.get('ldap_dn_user'),
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'bind_pass': ldap_settings.get('ldap_dn_pass'),
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'tls_kind': ldap_settings.get('ldap_tls_kind'),
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'tls_reqcert': ldap_settings.get('ldap_tls_reqcert'),
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'ldap_filter': ldap_settings.get('ldap_filter'),
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'search_scope': ldap_settings.get('ldap_search_scope'),
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'attr_login': ldap_settings.get('ldap_attr_login'),
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'ldap_version': 3,
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}
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log.debug('Checking for ldap authentication')
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try:
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aldap = AuthLdap(**kwargs)
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(user_dn, ldap_attrs) = aldap.authenticate_ldap(username,
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password)
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log.debug('Got ldap DN response %s' % user_dn)
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get_ldap_attr = lambda k: ldap_attrs.get(ldap_settings\
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.get(k), [''])[0]
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user_attrs = {
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'name': safe_unicode(get_ldap_attr('ldap_attr_firstname')),
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'lastname': safe_unicode(get_ldap_attr('ldap_attr_lastname')),
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'email': get_ldap_attr('ldap_attr_email'),
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'active': 'hg.extern_activate.auto' in User.get_default_user()\
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.AuthUser.permissions['global']
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}
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# don't store LDAP password since we don't need it. Override
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# with some random generated password
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_password = PasswordGenerator().gen_password(length=8)
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# create this user on the fly if it doesn't exist in rhodecode
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# database
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if user_model.create_ldap(username, _password, user_dn,
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user_attrs):
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log.info('created new ldap user %s' % username)
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Session().commit()
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return True
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except (LdapUsernameError, LdapPasswordError, LdapImportError):
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pass
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except (Exception,):
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log.error(traceback.format_exc())
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pass
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return False
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def login_container_auth(username):
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user = User.get_by_username(username)
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if user is None:
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user_attrs = {
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'name': username,
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'lastname': None,
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'email': None,
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'active': 'hg.extern_activate.auto' in User.get_default_user()\
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.AuthUser.permissions['global']
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}
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user = UserModel().create_for_container_auth(username, user_attrs)
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if not user:
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return None
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log.info('User %s was created by container authentication' % username)
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if not user.active:
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return None
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user.update_lastlogin()
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Session().commit()
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log.debug('User %s is now logged in by container authentication',
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user.username)
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return user
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def get_container_username(environ, config, clean_username=False):
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"""
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Get's the container_auth username (or email). It tries to get username
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from REMOTE_USER if container_auth_enabled is enabled, if that fails
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it tries to get username from HTTP_X_FORWARDED_USER if proxypass_auth_enabled
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is enabled. clean_username extracts the username from this data if it's
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having @ in it.
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:param environ:
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:param config:
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:param clean_username:
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"""
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username = None
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if str2bool(config.get('container_auth_enabled', False)):
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from paste.httpheaders import REMOTE_USER
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username = REMOTE_USER(environ)
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log.debug('extracted REMOTE_USER:%s' % (username))
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if not username and str2bool(config.get('proxypass_auth_enabled', False)):
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username = environ.get('HTTP_X_FORWARDED_USER')
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log.debug('extracted HTTP_X_FORWARDED_USER:%s' % (username))
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if username and clean_username:
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# Removing realm and domain from username
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username = username.partition('@')[0]
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username = username.rpartition('\\')[2]
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log.debug('Received username %s from container' % username)
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return username
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class CookieStoreWrapper(object):
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def __init__(self, cookie_store):
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self.cookie_store = cookie_store
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def __repr__(self):
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return 'CookieStore<%s>' % (self.cookie_store)
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def get(self, key, other=None):
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if isinstance(self.cookie_store, dict):
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return self.cookie_store.get(key, other)
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elif isinstance(self.cookie_store, AuthUser):
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return self.cookie_store.__dict__.get(key, other)
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class AuthUser(object):
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"""
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A simple object that handles all attributes of user in RhodeCode
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It does lookup based on API key,given user, or user present in session
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Then it fills all required information for such user. It also checks if
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anonymous access is enabled and if so, it returns default user as logged
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in
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"""
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def __init__(self, user_id=None, api_key=None, username=None, ip_addr=None):
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self.user_id = user_id
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self.api_key = None
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self.username = username
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self.ip_addr = ip_addr
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self.name = ''
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self.lastname = ''
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self.email = ''
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self.is_authenticated = False
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self.admin = False
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self.inherit_default_permissions = False
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self.permissions = {}
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self._api_key = api_key
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self.propagate_data()
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self._instance = None
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def propagate_data(self):
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user_model = UserModel()
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self.anonymous_user = User.get_by_username('default', cache=True)
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is_user_loaded = False
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# try go get user by api key
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if self._api_key and self._api_key != self.anonymous_user.api_key:
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log.debug('Auth User lookup by API KEY %s' % self._api_key)
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is_user_loaded = user_model.fill_data(self, api_key=self._api_key)
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# lookup by userid
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elif (self.user_id is not None and
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self.user_id != self.anonymous_user.user_id):
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log.debug('Auth User lookup by USER ID %s' % self.user_id)
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is_user_loaded = user_model.fill_data(self, user_id=self.user_id)
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# lookup by username
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elif self.username and \
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str2bool(config.get('container_auth_enabled', False)):
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log.debug('Auth User lookup by USER NAME %s' % self.username)
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dbuser = login_container_auth(self.username)
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if dbuser is not None:
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log.debug('filling all attributes to object')
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for k, v in dbuser.get_dict().items():
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setattr(self, k, v)
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self.set_authenticated()
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is_user_loaded = True
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else:
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log.debug('No data in %s that could been used to log in' % self)
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if not is_user_loaded:
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# if we cannot authenticate user try anonymous
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if self.anonymous_user.active:
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user_model.fill_data(self, user_id=self.anonymous_user.user_id)
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# then we set this user is logged in
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self.is_authenticated = True
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else:
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self.user_id = None
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self.username = None
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self.is_authenticated = False
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if not self.username:
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self.username = 'None'
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log.debug('Auth User is now %s' % self)
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user_model.fill_perms(self)
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@property
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def is_admin(self):
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return self.admin
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@property
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def repos_admin(self):
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"""
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Returns list of repositories you're an admin of
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"""
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return [x[0] for x in self.permissions['repositories'].iteritems()
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if x[1] == 'repository.admin']
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@property
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def repository_groups_admin(self):
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"""
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Returns list of repository groups you're an admin of
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"""
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return [x[0] for x in self.permissions['repositories_groups'].iteritems()
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if x[1] == 'group.admin']
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@property
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def user_groups_admin(self):
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"""
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Returns list of user groups you're an admin of
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"""
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return [x[0] for x in self.permissions['user_groups'].iteritems()
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if x[1] == 'usergroup.admin']
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@property
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def ip_allowed(self):
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"""
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Checks if ip_addr used in constructor is allowed from defined list of
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allowed ip_addresses for user
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:returns: boolean, True if ip is in allowed ip range
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"""
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#check IP
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|
|
allowed_ips = AuthUser.get_allowed_ips(self.user_id, cache=True)
|
|
|
if check_ip_access(source_ip=self.ip_addr, allowed_ips=allowed_ips):
|
|
|
log.debug('IP:%s is in range of %s' % (self.ip_addr, allowed_ips))
|
|
|
return True
|
|
|
else:
|
|
|
log.info('Access for IP:%s forbidden, '
|
|
|
'not in %s' % (self.ip_addr, allowed_ips))
|
|
|
return False
|
|
|
|
|
|
def __repr__(self):
|
|
|
return "<AuthUser('id:%s:%s|%s')>" % (self.user_id, self.username,
|
|
|
self.is_authenticated)
|
|
|
|
|
|
def set_authenticated(self, authenticated=True):
|
|
|
if self.user_id != self.anonymous_user.user_id:
|
|
|
self.is_authenticated = authenticated
|
|
|
|
|
|
def get_cookie_store(self):
|
|
|
return {'username': self.username,
|
|
|
'user_id': self.user_id,
|
|
|
'is_authenticated': self.is_authenticated}
|
|
|
|
|
|
@classmethod
|
|
|
def from_cookie_store(cls, cookie_store):
|
|
|
"""
|
|
|
Creates AuthUser from a cookie store
|
|
|
|
|
|
:param cls:
|
|
|
:param cookie_store:
|
|
|
"""
|
|
|
user_id = cookie_store.get('user_id')
|
|
|
username = cookie_store.get('username')
|
|
|
api_key = cookie_store.get('api_key')
|
|
|
return AuthUser(user_id, api_key, username)
|
|
|
|
|
|
@classmethod
|
|
|
def get_allowed_ips(cls, user_id, cache=False):
|
|
|
_set = set()
|
|
|
user_ips = UserIpMap.query().filter(UserIpMap.user_id == user_id)
|
|
|
if cache:
|
|
|
user_ips = user_ips.options(FromCache("sql_cache_short",
|
|
|
"get_user_ips_%s" % user_id))
|
|
|
for ip in user_ips:
|
|
|
try:
|
|
|
_set.add(ip.ip_addr)
|
|
|
except ObjectDeletedError:
|
|
|
# since we use heavy caching sometimes it happens that we get
|
|
|
# deleted objects here, we just skip them
|
|
|
pass
|
|
|
return _set or set(['0.0.0.0/0', '::/0'])
|
|
|
|
|
|
|
|
|
def set_available_permissions(config):
|
|
|
"""
|
|
|
This function will propagate pylons globals with all available defined
|
|
|
permission given in db. We don't want to check each time from db for new
|
|
|
permissions since adding a new permission also requires application restart
|
|
|
ie. to decorate new views with the newly created permission
|
|
|
|
|
|
:param config: current pylons config instance
|
|
|
|
|
|
"""
|
|
|
log.info('getting information about all available permissions')
|
|
|
try:
|
|
|
sa = meta.Session
|
|
|
all_perms = sa.query(Permission).all()
|
|
|
except Exception:
|
|
|
pass
|
|
|
finally:
|
|
|
meta.Session.remove()
|
|
|
|
|
|
config['available_permissions'] = [x.permission_name for x in all_perms]
|
|
|
|
|
|
|
|
|
#==============================================================================
|
|
|
# CHECK DECORATORS
|
|
|
#==============================================================================
|
|
|
class LoginRequired(object):
|
|
|
"""
|
|
|
Must be logged in to execute this function else
|
|
|
redirect to login page
|
|
|
|
|
|
:param api_access: if enabled this checks only for valid auth token
|
|
|
and grants access based on valid token
|
|
|
"""
|
|
|
|
|
|
def __init__(self, api_access=False):
|
|
|
self.api_access = api_access
|
|
|
|
|
|
def __call__(self, func):
|
|
|
return decorator(self.__wrapper, func)
|
|
|
|
|
|
def __wrapper(self, func, *fargs, **fkwargs):
|
|
|
cls = fargs[0]
|
|
|
user = cls.rhodecode_user
|
|
|
loc = "%s:%s" % (cls.__class__.__name__, func.__name__)
|
|
|
# defined whitelist of controllers which API access will be enabled
|
|
|
whitelist = aslist(config.get('api_access_controllers_whitelist'),
|
|
|
sep=',')
|
|
|
api_access_whitelist = loc in whitelist
|
|
|
log.debug('loc:%s is in API whitelist:%s:%s' % (loc, whitelist,
|
|
|
api_access_whitelist))
|
|
|
#check IP
|
|
|
ip_access_ok = True
|
|
|
if not user.ip_allowed:
|
|
|
from rhodecode.lib import helpers as h
|
|
|
h.flash(h.literal(_('IP %s not allowed' % (user.ip_addr))),
|
|
|
category='warning')
|
|
|
ip_access_ok = False
|
|
|
|
|
|
api_access_ok = False
|
|
|
if self.api_access or api_access_whitelist:
|
|
|
log.debug('Checking API KEY access for %s' % cls)
|
|
|
if user.api_key == request.GET.get('api_key'):
|
|
|
api_access_ok = True
|
|
|
else:
|
|
|
log.debug("API KEY token not valid")
|
|
|
|
|
|
log.debug('Checking if %s is authenticated @ %s' % (user.username, loc))
|
|
|
if (user.is_authenticated or api_access_ok) and ip_access_ok:
|
|
|
reason = 'RegularAuth' if user.is_authenticated else 'APIAuth'
|
|
|
log.info('user %s is authenticated and granted access to %s '
|
|
|
'using %s' % (user.username, loc, reason)
|
|
|
)
|
|
|
return func(*fargs, **fkwargs)
|
|
|
else:
|
|
|
log.warn('user %s NOT authenticated on func: %s' % (
|
|
|
user, loc)
|
|
|
)
|
|
|
p = url.current()
|
|
|
|
|
|
log.debug('redirecting to login page with %s' % p)
|
|
|
return redirect(url('login_home', came_from=p))
|
|
|
|
|
|
|
|
|
class NotAnonymous(object):
|
|
|
"""
|
|
|
Must be logged in to execute this function else
|
|
|
redirect to login page"""
|
|
|
|
|
|
def __call__(self, func):
|
|
|
return decorator(self.__wrapper, func)
|
|
|
|
|
|
def __wrapper(self, func, *fargs, **fkwargs):
|
|
|
cls = fargs[0]
|
|
|
self.user = cls.rhodecode_user
|
|
|
|
|
|
log.debug('Checking if user is not anonymous @%s' % cls)
|
|
|
|
|
|
anonymous = self.user.username == 'default'
|
|
|
|
|
|
if anonymous:
|
|
|
p = url.current()
|
|
|
|
|
|
import rhodecode.lib.helpers as h
|
|
|
h.flash(_('You need to be a registered user to '
|
|
|
'perform this action'),
|
|
|
category='warning')
|
|
|
return redirect(url('login_home', came_from=p))
|
|
|
else:
|
|
|
return func(*fargs, **fkwargs)
|
|
|
|
|
|
|
|
|
class PermsDecorator(object):
|
|
|
"""Base class for controller decorators"""
|
|
|
|
|
|
def __init__(self, *required_perms):
|
|
|
available_perms = config['available_permissions']
|
|
|
for perm in required_perms:
|
|
|
if perm not in available_perms:
|
|
|
raise Exception("'%s' permission is not defined" % perm)
|
|
|
self.required_perms = set(required_perms)
|
|
|
self.user_perms = None
|
|
|
|
|
|
def __call__(self, func):
|
|
|
return decorator(self.__wrapper, func)
|
|
|
|
|
|
def __wrapper(self, func, *fargs, **fkwargs):
|
|
|
cls = fargs[0]
|
|
|
self.user = cls.rhodecode_user
|
|
|
self.user_perms = self.user.permissions
|
|
|
log.debug('checking %s permissions %s for %s %s',
|
|
|
self.__class__.__name__, self.required_perms, cls, self.user)
|
|
|
|
|
|
if self.check_permissions():
|
|
|
log.debug('Permission granted for %s %s' % (cls, self.user))
|
|
|
return func(*fargs, **fkwargs)
|
|
|
|
|
|
else:
|
|
|
log.debug('Permission denied for %s %s' % (cls, self.user))
|
|
|
anonymous = self.user.username == 'default'
|
|
|
|
|
|
if anonymous:
|
|
|
p = url.current()
|
|
|
|
|
|
import rhodecode.lib.helpers as h
|
|
|
h.flash(_('You need to be a signed in to '
|
|
|
'view this page'),
|
|
|
category='warning')
|
|
|
return redirect(url('login_home', came_from=p))
|
|
|
|
|
|
else:
|
|
|
# redirect with forbidden ret code
|
|
|
return abort(403)
|
|
|
|
|
|
def check_permissions(self):
|
|
|
"""Dummy function for overriding"""
|
|
|
raise Exception('You have to write this function in child class')
|
|
|
|
|
|
|
|
|
class HasPermissionAllDecorator(PermsDecorator):
|
|
|
"""
|
|
|
Checks for access permission for all given predicates. All of them
|
|
|
have to be meet in order to fulfill the request
|
|
|
"""
|
|
|
|
|
|
def check_permissions(self):
|
|
|
if self.required_perms.issubset(self.user_perms.get('global')):
|
|
|
return True
|
|
|
return False
|
|
|
|
|
|
|
|
|
class HasPermissionAnyDecorator(PermsDecorator):
|
|
|
"""
|
|
|
Checks for access permission for any of given predicates. In order to
|
|
|
fulfill the request any of predicates must be meet
|
|
|
"""
|
|
|
|
|
|
def check_permissions(self):
|
|
|
if self.required_perms.intersection(self.user_perms.get('global')):
|
|
|
return True
|
|
|
return False
|
|
|
|
|
|
|
|
|
class HasRepoPermissionAllDecorator(PermsDecorator):
|
|
|
"""
|
|
|
Checks for access permission for all given predicates for specific
|
|
|
repository. All of them have to be meet in order to fulfill the request
|
|
|
"""
|
|
|
|
|
|
def check_permissions(self):
|
|
|
repo_name = get_repo_slug(request)
|
|
|
try:
|
|
|
user_perms = set([self.user_perms['repositories'][repo_name]])
|
|
|
except KeyError:
|
|
|
return False
|
|
|
if self.required_perms.issubset(user_perms):
|
|
|
return True
|
|
|
return False
|
|
|
|
|
|
|
|
|
class HasRepoPermissionAnyDecorator(PermsDecorator):
|
|
|
"""
|
|
|
Checks for access permission for any of given predicates for specific
|
|
|
repository. In order to fulfill the request any of predicates must be meet
|
|
|
"""
|
|
|
|
|
|
def check_permissions(self):
|
|
|
repo_name = get_repo_slug(request)
|
|
|
try:
|
|
|
user_perms = set([self.user_perms['repositories'][repo_name]])
|
|
|
except KeyError:
|
|
|
return False
|
|
|
|
|
|
if self.required_perms.intersection(user_perms):
|
|
|
return True
|
|
|
return False
|
|
|
|
|
|
|
|
|
class HasReposGroupPermissionAllDecorator(PermsDecorator):
|
|
|
"""
|
|
|
Checks for access permission for all given predicates for specific
|
|
|
repository group. All of them have to be meet in order to fulfill the request
|
|
|
"""
|
|
|
|
|
|
def check_permissions(self):
|
|
|
group_name = get_repos_group_slug(request)
|
|
|
try:
|
|
|
user_perms = set([self.user_perms['repositories_groups'][group_name]])
|
|
|
except KeyError:
|
|
|
return False
|
|
|
|
|
|
if self.required_perms.issubset(user_perms):
|
|
|
return True
|
|
|
return False
|
|
|
|
|
|
|
|
|
class HasReposGroupPermissionAnyDecorator(PermsDecorator):
|
|
|
"""
|
|
|
Checks for access permission for any of given predicates for specific
|
|
|
repository group. In order to fulfill the request any of predicates must be meet
|
|
|
"""
|
|
|
|
|
|
def check_permissions(self):
|
|
|
group_name = get_repos_group_slug(request)
|
|
|
try:
|
|
|
user_perms = set([self.user_perms['repositories_groups'][group_name]])
|
|
|
except KeyError:
|
|
|
return False
|
|
|
|
|
|
if self.required_perms.intersection(user_perms):
|
|
|
return True
|
|
|
return False
|
|
|
|
|
|
|
|
|
class HasUserGroupPermissionAllDecorator(PermsDecorator):
|
|
|
"""
|
|
|
Checks for access permission for all given predicates for specific
|
|
|
user group. All of them have to be meet in order to fulfill the request
|
|
|
"""
|
|
|
|
|
|
def check_permissions(self):
|
|
|
group_name = get_user_group_slug(request)
|
|
|
try:
|
|
|
user_perms = set([self.user_perms['user_groups'][group_name]])
|
|
|
except KeyError:
|
|
|
return False
|
|
|
|
|
|
if self.required_perms.issubset(user_perms):
|
|
|
return True
|
|
|
return False
|
|
|
|
|
|
|
|
|
class HasUserGroupPermissionAnyDecorator(PermsDecorator):
|
|
|
"""
|
|
|
Checks for access permission for any of given predicates for specific
|
|
|
user group. In order to fulfill the request any of predicates must be meet
|
|
|
"""
|
|
|
|
|
|
def check_permissions(self):
|
|
|
group_name = get_user_group_slug(request)
|
|
|
try:
|
|
|
user_perms = set([self.user_perms['user_groups'][group_name]])
|
|
|
except KeyError:
|
|
|
return False
|
|
|
|
|
|
if self.required_perms.intersection(user_perms):
|
|
|
return True
|
|
|
return False
|
|
|
|
|
|
|
|
|
#==============================================================================
|
|
|
# CHECK FUNCTIONS
|
|
|
#==============================================================================
|
|
|
class PermsFunction(object):
|
|
|
"""Base function for other check functions"""
|
|
|
|
|
|
def __init__(self, *perms):
|
|
|
available_perms = config['available_permissions']
|
|
|
|
|
|
for perm in perms:
|
|
|
if perm not in available_perms:
|
|
|
raise Exception("'%s' permission is not defined" % perm)
|
|
|
self.required_perms = set(perms)
|
|
|
self.user_perms = None
|
|
|
self.repo_name = None
|
|
|
self.group_name = None
|
|
|
|
|
|
def __call__(self, check_location=''):
|
|
|
#TODO: put user as attribute here
|
|
|
user = request.user
|
|
|
cls_name = self.__class__.__name__
|
|
|
check_scope = {
|
|
|
'HasPermissionAll': '',
|
|
|
'HasPermissionAny': '',
|
|
|
'HasRepoPermissionAll': 'repo:%s' % self.repo_name,
|
|
|
'HasRepoPermissionAny': 'repo:%s' % self.repo_name,
|
|
|
'HasReposGroupPermissionAll': 'group:%s' % self.group_name,
|
|
|
'HasReposGroupPermissionAny': 'group:%s' % self.group_name,
|
|
|
}.get(cls_name, '?')
|
|
|
log.debug('checking cls:%s %s usr:%s %s @ %s', cls_name,
|
|
|
self.required_perms, user, check_scope,
|
|
|
check_location or 'unspecified location')
|
|
|
if not user:
|
|
|
log.debug('Empty request user')
|
|
|
return False
|
|
|
self.user_perms = user.permissions
|
|
|
if self.check_permissions():
|
|
|
log.debug('Permission to %s granted for user: %s @ %s', self.repo_name, user,
|
|
|
check_location or 'unspecified location')
|
|
|
return True
|
|
|
|
|
|
else:
|
|
|
log.debug('Permission to %s denied for user: %s @ %s', self.repo_name, user,
|
|
|
check_location or 'unspecified location')
|
|
|
return False
|
|
|
|
|
|
def check_permissions(self):
|
|
|
"""Dummy function for overriding"""
|
|
|
raise Exception('You have to write this function in child class')
|
|
|
|
|
|
|
|
|
class HasPermissionAll(PermsFunction):
|
|
|
def check_permissions(self):
|
|
|
if self.required_perms.issubset(self.user_perms.get('global')):
|
|
|
return True
|
|
|
return False
|
|
|
|
|
|
|
|
|
class HasPermissionAny(PermsFunction):
|
|
|
def check_permissions(self):
|
|
|
if self.required_perms.intersection(self.user_perms.get('global')):
|
|
|
return True
|
|
|
return False
|
|
|
|
|
|
|
|
|
class HasRepoPermissionAll(PermsFunction):
|
|
|
def __call__(self, repo_name=None, check_location=''):
|
|
|
self.repo_name = repo_name
|
|
|
return super(HasRepoPermissionAll, self).__call__(check_location)
|
|
|
|
|
|
def check_permissions(self):
|
|
|
if not self.repo_name:
|
|
|
self.repo_name = get_repo_slug(request)
|
|
|
|
|
|
try:
|
|
|
self._user_perms = set(
|
|
|
[self.user_perms['repositories'][self.repo_name]]
|
|
|
)
|
|
|
except KeyError:
|
|
|
return False
|
|
|
if self.required_perms.issubset(self._user_perms):
|
|
|
return True
|
|
|
return False
|
|
|
|
|
|
|
|
|
class HasRepoPermissionAny(PermsFunction):
|
|
|
def __call__(self, repo_name=None, check_location=''):
|
|
|
self.repo_name = repo_name
|
|
|
return super(HasRepoPermissionAny, self).__call__(check_location)
|
|
|
|
|
|
def check_permissions(self):
|
|
|
if not self.repo_name:
|
|
|
self.repo_name = get_repo_slug(request)
|
|
|
|
|
|
try:
|
|
|
self._user_perms = set(
|
|
|
[self.user_perms['repositories'][self.repo_name]]
|
|
|
)
|
|
|
except KeyError:
|
|
|
return False
|
|
|
if self.required_perms.intersection(self._user_perms):
|
|
|
return True
|
|
|
return False
|
|
|
|
|
|
|
|
|
class HasReposGroupPermissionAny(PermsFunction):
|
|
|
def __call__(self, group_name=None, check_location=''):
|
|
|
self.group_name = group_name
|
|
|
return super(HasReposGroupPermissionAny, self).__call__(check_location)
|
|
|
|
|
|
def check_permissions(self):
|
|
|
try:
|
|
|
self._user_perms = set(
|
|
|
[self.user_perms['repositories_groups'][self.group_name]]
|
|
|
)
|
|
|
except KeyError:
|
|
|
return False
|
|
|
if self.required_perms.intersection(self._user_perms):
|
|
|
return True
|
|
|
return False
|
|
|
|
|
|
|
|
|
class HasReposGroupPermissionAll(PermsFunction):
|
|
|
def __call__(self, group_name=None, check_location=''):
|
|
|
self.group_name = group_name
|
|
|
return super(HasReposGroupPermissionAll, self).__call__(check_location)
|
|
|
|
|
|
def check_permissions(self):
|
|
|
try:
|
|
|
self._user_perms = set(
|
|
|
[self.user_perms['repositories_groups'][self.group_name]]
|
|
|
)
|
|
|
except KeyError:
|
|
|
return False
|
|
|
if self.required_perms.issubset(self._user_perms):
|
|
|
return True
|
|
|
return False
|
|
|
|
|
|
|
|
|
class HasUserGroupPermissionAny(PermsFunction):
|
|
|
def __call__(self, user_group_name=None, check_location=''):
|
|
|
self.user_group_name = user_group_name
|
|
|
return super(HasUserGroupPermissionAny, self).__call__(check_location)
|
|
|
|
|
|
def check_permissions(self):
|
|
|
try:
|
|
|
self._user_perms = set(
|
|
|
[self.user_perms['user_groups'][self.user_group_name]]
|
|
|
)
|
|
|
except KeyError:
|
|
|
return False
|
|
|
if self.required_perms.intersection(self._user_perms):
|
|
|
return True
|
|
|
return False
|
|
|
|
|
|
|
|
|
class HasUserGroupPermissionAll(PermsFunction):
|
|
|
def __call__(self, user_group_name=None, check_location=''):
|
|
|
self.user_group_name = user_group_name
|
|
|
return super(HasUserGroupPermissionAll, self).__call__(check_location)
|
|
|
|
|
|
def check_permissions(self):
|
|
|
try:
|
|
|
self._user_perms = set(
|
|
|
[self.user_perms['user_groups'][self.user_group_name]]
|
|
|
)
|
|
|
except KeyError:
|
|
|
return False
|
|
|
if self.required_perms.issubset(self._user_perms):
|
|
|
return True
|
|
|
return False
|
|
|
|
|
|
#==============================================================================
|
|
|
# SPECIAL VERSION TO HANDLE MIDDLEWARE AUTH
|
|
|
#==============================================================================
|
|
|
class HasPermissionAnyMiddleware(object):
|
|
|
def __init__(self, *perms):
|
|
|
self.required_perms = set(perms)
|
|
|
|
|
|
def __call__(self, user, repo_name):
|
|
|
# repo_name MUST be unicode, since we handle keys in permission
|
|
|
# dict by unicode
|
|
|
repo_name = safe_unicode(repo_name)
|
|
|
usr = AuthUser(user.user_id)
|
|
|
try:
|
|
|
self.user_perms = set([usr.permissions['repositories'][repo_name]])
|
|
|
except Exception:
|
|
|
log.error('Exception while accessing permissions %s' %
|
|
|
traceback.format_exc())
|
|
|
self.user_perms = set()
|
|
|
self.username = user.username
|
|
|
self.repo_name = repo_name
|
|
|
return self.check_permissions()
|
|
|
|
|
|
def check_permissions(self):
|
|
|
log.debug('checking VCS protocol '
|
|
|
'permissions %s for user:%s repository:%s', self.user_perms,
|
|
|
self.username, self.repo_name)
|
|
|
if self.required_perms.intersection(self.user_perms):
|
|
|
log.debug('permission granted for user:%s on repo:%s' % (
|
|
|
self.username, self.repo_name
|
|
|
)
|
|
|
)
|
|
|
return True
|
|
|
log.debug('permission denied for user:%s on repo:%s' % (
|
|
|
self.username, self.repo_name
|
|
|
)
|
|
|
)
|
|
|
return False
|
|
|
|
|
|
|
|
|
#==============================================================================
|
|
|
# SPECIAL VERSION TO HANDLE API AUTH
|
|
|
#==============================================================================
|
|
|
class _BaseApiPerm(object):
|
|
|
def __init__(self, *perms):
|
|
|
self.required_perms = set(perms)
|
|
|
|
|
|
def __call__(self, check_location='unspecified', user=None, repo_name=None):
|
|
|
cls_name = self.__class__.__name__
|
|
|
check_scope = 'user:%s, repo:%s' % (user, repo_name)
|
|
|
log.debug('checking cls:%s %s %s @ %s', cls_name,
|
|
|
self.required_perms, check_scope, check_location)
|
|
|
if not user:
|
|
|
log.debug('Empty User passed into arguments')
|
|
|
return False
|
|
|
|
|
|
## process user
|
|
|
if not isinstance(user, AuthUser):
|
|
|
user = AuthUser(user.user_id)
|
|
|
|
|
|
if self.check_permissions(user.permissions, repo_name):
|
|
|
log.debug('Permission to %s granted for user: %s @ %s', repo_name,
|
|
|
user, check_location)
|
|
|
return True
|
|
|
|
|
|
else:
|
|
|
log.debug('Permission to %s denied for user: %s @ %s', repo_name,
|
|
|
user, check_location)
|
|
|
return False
|
|
|
|
|
|
def check_permissions(self, perm_defs, repo_name):
|
|
|
"""
|
|
|
implement in child class should return True if permissions are ok,
|
|
|
False otherwise
|
|
|
|
|
|
:param perm_defs: dict with permission definitions
|
|
|
:param repo_name: repo name
|
|
|
"""
|
|
|
raise NotImplementedError()
|
|
|
|
|
|
|
|
|
class HasPermissionAllApi(_BaseApiPerm):
|
|
|
def __call__(self, user, check_location=''):
|
|
|
return super(HasPermissionAllApi, self)\
|
|
|
.__call__(check_location=check_location, user=user)
|
|
|
|
|
|
def check_permissions(self, perm_defs, repo):
|
|
|
if self.required_perms.issubset(perm_defs.get('global')):
|
|
|
return True
|
|
|
return False
|
|
|
|
|
|
|
|
|
class HasPermissionAnyApi(_BaseApiPerm):
|
|
|
def __call__(self, user, check_location=''):
|
|
|
return super(HasPermissionAnyApi, self)\
|
|
|
.__call__(check_location=check_location, user=user)
|
|
|
|
|
|
def check_permissions(self, perm_defs, repo):
|
|
|
if self.required_perms.intersection(perm_defs.get('global')):
|
|
|
return True
|
|
|
return False
|
|
|
|
|
|
|
|
|
class HasRepoPermissionAllApi(_BaseApiPerm):
|
|
|
def __call__(self, user, repo_name, check_location=''):
|
|
|
return super(HasRepoPermissionAllApi, self)\
|
|
|
.__call__(check_location=check_location, user=user,
|
|
|
repo_name=repo_name)
|
|
|
|
|
|
def check_permissions(self, perm_defs, repo_name):
|
|
|
|
|
|
try:
|
|
|
self._user_perms = set(
|
|
|
[perm_defs['repositories'][repo_name]]
|
|
|
)
|
|
|
except KeyError:
|
|
|
log.warning(traceback.format_exc())
|
|
|
return False
|
|
|
if self.required_perms.issubset(self._user_perms):
|
|
|
return True
|
|
|
return False
|
|
|
|
|
|
|
|
|
class HasRepoPermissionAnyApi(_BaseApiPerm):
|
|
|
def __call__(self, user, repo_name, check_location=''):
|
|
|
return super(HasRepoPermissionAnyApi, self)\
|
|
|
.__call__(check_location=check_location, user=user,
|
|
|
repo_name=repo_name)
|
|
|
|
|
|
def check_permissions(self, perm_defs, repo_name):
|
|
|
|
|
|
try:
|
|
|
_user_perms = set(
|
|
|
[perm_defs['repositories'][repo_name]]
|
|
|
)
|
|
|
except KeyError:
|
|
|
log.warning(traceback.format_exc())
|
|
|
return False
|
|
|
if self.required_perms.intersection(_user_perms):
|
|
|
return True
|
|
|
return False
|
|
|
|
|
|
|
|
|
def check_ip_access(source_ip, allowed_ips=None):
|
|
|
"""
|
|
|
Checks if source_ip is a subnet of any of allowed_ips.
|
|
|
|
|
|
:param source_ip:
|
|
|
:param allowed_ips: list of allowed ips together with mask
|
|
|
"""
|
|
|
from rhodecode.lib import ipaddr
|
|
|
log.debug('checking if ip:%s is subnet of %s' % (source_ip, allowed_ips))
|
|
|
if isinstance(allowed_ips, (tuple, list, set)):
|
|
|
for ip in allowed_ips:
|
|
|
try:
|
|
|
if ipaddr.IPAddress(source_ip) in ipaddr.IPNetwork(ip):
|
|
|
return True
|
|
|
# for any case we cannot determine the IP, don't crash just
|
|
|
# skip it and log as error, we want to say forbidden still when
|
|
|
# sending bad IP
|
|
|
except Exception:
|
|
|
log.error(traceback.format_exc())
|
|
|
continue
|
|
|
return False
|
|
|
|
