Changeset - dc2c1fc97d97
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0 3 0
Marcin Kuzminski - 13 years ago 2013-01-23 23:51:57
marcin@python-works.com
Grafted from: 6c28533d122c
IP restrictions now also enabled for IPv6
3 files changed with 34 insertions and 24 deletions:
0 comments (0 inline, 0 general)
rhodecode/lib/auth.py
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# -*- coding: utf-8 -*-
 
"""
 
    rhodecode.lib.auth
 
    ~~~~~~~~~~~~~~~~~~
 

	
 
    authentication and permission libraries
 

	
 
    :created_on: Apr 4, 2010
 
    :author: marcink
 
    :copyright: (C) 2010-2012 Marcin Kuzminski <marcin@python-works.com>
 
    :license: GPLv3, see COPYING for more details.
 
"""
 
# This program is free software: you can redistribute it and/or modify
 
# it under the terms of the GNU General Public License as published by
 
# the Free Software Foundation, either version 3 of the License, or
 
# (at your option) any later version.
 
#
 
# This program is distributed in the hope that it will be useful,
 
# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
# GNU General Public License for more details.
 
#
 
# You should have received a copy of the GNU General Public License
 
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 

	
 
import random
 
import logging
 
import traceback
 
import hashlib
 

	
 
from tempfile import _RandomNameSequence
 
from decorator import decorator
 

	
 
from pylons import config, url, request
 
from pylons.controllers.util import abort, redirect
 
from pylons.i18n.translation import _
 
from sqlalchemy.orm.exc import ObjectDeletedError
 

	
 
from rhodecode import __platform__, is_windows, is_unix
 
from rhodecode.model.meta import Session
 

	
 
from rhodecode.lib.utils2 import str2bool, safe_unicode
 
from rhodecode.lib.exceptions import LdapPasswordError, LdapUsernameError
 
from rhodecode.lib.utils import get_repo_slug, get_repos_group_slug
 
from rhodecode.lib.auth_ldap import AuthLdap
 

	
 
from rhodecode.model import meta
 
from rhodecode.model.user import UserModel
 
from rhodecode.model.db import Permission, RhodeCodeSetting, User, UserIpMap
 
from rhodecode.lib.caching_query import FromCache
 

	
 
log = logging.getLogger(__name__)
 

	
 

	
 
class PasswordGenerator(object):
 
    """
 
    This is a simple class for generating password from different sets of
 
    characters
 
    usage::
 

	
 
        passwd_gen = PasswordGenerator()
 
        #print 8-letter password containing only big and small letters
 
            of alphabet
 
        passwd_gen.gen_password(8, passwd_gen.ALPHABETS_BIG_SMALL)
 
    """
 
    ALPHABETS_NUM = r'''1234567890'''
 
    ALPHABETS_SMALL = r'''qwertyuiopasdfghjklzxcvbnm'''
 
    ALPHABETS_BIG = r'''QWERTYUIOPASDFGHJKLZXCVBNM'''
 
    ALPHABETS_SPECIAL = r'''`-=[]\;',./~!@#$%^&*()_+{}|:"<>?'''
 
    ALPHABETS_FULL = ALPHABETS_BIG + ALPHABETS_SMALL \
 
        + ALPHABETS_NUM + ALPHABETS_SPECIAL
 
    ALPHABETS_ALPHANUM = ALPHABETS_BIG + ALPHABETS_SMALL + ALPHABETS_NUM
 
    ALPHABETS_BIG_SMALL = ALPHABETS_BIG + ALPHABETS_SMALL
 
    ALPHABETS_ALPHANUM_BIG = ALPHABETS_BIG + ALPHABETS_NUM
 
    ALPHABETS_ALPHANUM_SMALL = ALPHABETS_SMALL + ALPHABETS_NUM
 

	
 
    def __init__(self, passwd=''):
 
        self.passwd = passwd
 

	
 
    def gen_password(self, length, type_=None):
 
        if type_ is None:
 
            type_ = self.ALPHABETS_FULL
 
        self.passwd = ''.join([random.choice(type_) for _ in xrange(length)])
 
        return self.passwd
 

	
 

	
 
class RhodeCodeCrypto(object):
 

	
 
    @classmethod
 
    def hash_string(cls, str_):
 
        """
 
        Cryptographic function used for password hashing based on pybcrypt
 
        or pycrypto in windows
 

	
 
        :param password: password to hash
 
        """
 
        if is_windows:
 
            from hashlib import sha256
 
            return sha256(str_).hexdigest()
 
        elif is_unix:
 
            import bcrypt
 
            return bcrypt.hashpw(str_, bcrypt.gensalt(10))
 
        else:
 
            raise Exception('Unknown or unsupported platform %s' \
 
                            % __platform__)
 

	
 
    @classmethod
 
    def hash_check(cls, password, hashed):
 
        """
 
        Checks matching password with it's hashed value, runs different
 
        implementation based on platform it runs on
 

	
 
        :param password: password
 
        :param hashed: password in hashed form
 
        """
 

	
 
        if is_windows:
 
            from hashlib import sha256
 
            return sha256(password).hexdigest() == hashed
 
        elif is_unix:
 
            import bcrypt
 
            return bcrypt.hashpw(password, hashed) == hashed
 
        else:
 
            raise Exception('Unknown or unsupported platform %s' \
 
                            % __platform__)
 

	
 

	
 
def get_crypt_password(password):
 
    return RhodeCodeCrypto.hash_string(password)
 

	
 

	
 
def check_password(password, hashed):
 
    return RhodeCodeCrypto.hash_check(password, hashed)
 

	
 

	
 
def generate_api_key(str_, salt=None):
 
    """
 
    Generates API KEY from given string
 

	
 
    :param str_:
 
    :param salt:
 
    """
 

	
 
    if salt is None:
 
        salt = _RandomNameSequence().next()
 

	
 
    return hashlib.sha1(str_ + salt).hexdigest()
 

	
 

	
 
def authfunc(environ, username, password):
 
    """
 
    Dummy authentication wrapper function used in Mercurial and Git for
 
    access control.
 

	
 
    :param environ: needed only for using in Basic auth
 
    """
 
    return authenticate(username, password)
 

	
 

	
 
def authenticate(username, password):
 
    """
 
    Authentication function used for access control,
 
    firstly checks for db authentication then if ldap is enabled for ldap
 
    authentication, also creates ldap user if not in database
 

	
 
    :param username: username
 
    :param password: password
 
    """
 

	
 
    user_model = UserModel()
 
    user = User.get_by_username(username)
 

	
 
    log.debug('Authenticating user using RhodeCode account')
 
    if user is not None and not user.ldap_dn:
 
        if user.active:
 
            if user.username == 'default' and user.active:
 
                log.info('user %s authenticated correctly as anonymous user' %
 
                         username)
 
                return True
 

	
 
            elif user.username == username and check_password(password,
 
                                                              user.password):
 
                log.info('user %s authenticated correctly' % username)
 
                return True
 
        else:
 
            log.warning('user %s tried auth but is disabled' % username)
 

	
 
    else:
 
        log.debug('Regular authentication failed')
 
        user_obj = User.get_by_username(username, case_insensitive=True)
 

	
 
        if user_obj is not None and not user_obj.ldap_dn:
 
            log.debug('this user already exists as non ldap')
 
            return False
 

	
 
        ldap_settings = RhodeCodeSetting.get_ldap_settings()
 
        #======================================================================
 
        # FALLBACK TO LDAP AUTH IF ENABLE
 
        #======================================================================
 
        if str2bool(ldap_settings.get('ldap_active')):
 
            log.debug("Authenticating user using ldap")
 
            kwargs = {
 
                  'server': ldap_settings.get('ldap_host', ''),
 
                  'base_dn': ldap_settings.get('ldap_base_dn', ''),
 
                  'port': ldap_settings.get('ldap_port'),
 
                  'bind_dn': ldap_settings.get('ldap_dn_user'),
 
                  'bind_pass': ldap_settings.get('ldap_dn_pass'),
 
                  'tls_kind': ldap_settings.get('ldap_tls_kind'),
 
                  'tls_reqcert': ldap_settings.get('ldap_tls_reqcert'),
 
                  'ldap_filter': ldap_settings.get('ldap_filter'),
 
                  'search_scope': ldap_settings.get('ldap_search_scope'),
 
                  'attr_login': ldap_settings.get('ldap_attr_login'),
 
                  'ldap_version': 3,
 
                  }
 
            log.debug('Checking for ldap authentication')
 
            try:
 
                aldap = AuthLdap(**kwargs)
 
                (user_dn, ldap_attrs) = aldap.authenticate_ldap(username,
 
                                                                password)
 
                log.debug('Got ldap DN response %s' % user_dn)
 

	
 
                get_ldap_attr = lambda k: ldap_attrs.get(ldap_settings\
 
                                                           .get(k), [''])[0]
 

	
 
                user_attrs = {
 
                 'name': safe_unicode(get_ldap_attr('ldap_attr_firstname')),
 
                 'lastname': safe_unicode(get_ldap_attr('ldap_attr_lastname')),
 
                 'email': get_ldap_attr('ldap_attr_email'),
 
                }
 
@@ -258,386 +259,391 @@ def login_container_auth(username):
 
        if not user:
 
            return None
 
        log.info('User %s was created by container authentication' % username)
 

	
 
    if not user.active:
 
        return None
 

	
 
    user.update_lastlogin()
 
    Session().commit()
 

	
 
    log.debug('User %s is now logged in by container authentication',
 
              user.username)
 
    return user
 

	
 

	
 
def get_container_username(environ, config, clean_username=False):
 
    """
 
    Get's the container_auth username (or email). It tries to get username
 
    from REMOTE_USER if container_auth_enabled is enabled, if that fails
 
    it tries to get username from HTTP_X_FORWARDED_USER if proxypass_auth_enabled
 
    is enabled. clean_username extracts the username from this data if it's
 
    having @ in it.
 

	
 
    :param environ:
 
    :param config:
 
    :param clean_username:
 
    """
 
    username = None
 

	
 
    if str2bool(config.get('container_auth_enabled', False)):
 
        from paste.httpheaders import REMOTE_USER
 
        username = REMOTE_USER(environ)
 
        log.debug('extracted REMOTE_USER:%s' % (username))
 

	
 
    if not username and str2bool(config.get('proxypass_auth_enabled', False)):
 
        username = environ.get('HTTP_X_FORWARDED_USER')
 
        log.debug('extracted HTTP_X_FORWARDED_USER:%s' % (username))
 

	
 
    if username and clean_username:
 
        # Removing realm and domain from username
 
        username = username.partition('@')[0]
 
        username = username.rpartition('\\')[2]
 
    log.debug('Received username %s from container' % username)
 

	
 
    return username
 

	
 

	
 
class CookieStoreWrapper(object):
 

	
 
    def __init__(self, cookie_store):
 
        self.cookie_store = cookie_store
 

	
 
    def __repr__(self):
 
        return 'CookieStore<%s>' % (self.cookie_store)
 

	
 
    def get(self, key, other=None):
 
        if isinstance(self.cookie_store, dict):
 
            return self.cookie_store.get(key, other)
 
        elif isinstance(self.cookie_store, AuthUser):
 
            return self.cookie_store.__dict__.get(key, other)
 

	
 

	
 
class  AuthUser(object):
 
    """
 
    A simple object that handles all attributes of user in RhodeCode
 

	
 
    It does lookup based on API key,given user, or user present in session
 
    Then it fills all required information for such user. It also checks if
 
    anonymous access is enabled and if so, it returns default user as logged
 
    in
 
    """
 

	
 
    def __init__(self, user_id=None, api_key=None, username=None, ip_addr=None):
 

	
 
        self.user_id = user_id
 
        self.api_key = None
 
        self.username = username
 
        self.ip_addr = ip_addr
 

	
 
        self.name = ''
 
        self.lastname = ''
 
        self.email = ''
 
        self.is_authenticated = False
 
        self.admin = False
 
        self.inherit_default_permissions = False
 
        self.permissions = {}
 
        self._api_key = api_key
 
        self.propagate_data()
 
        self._instance = None
 

	
 
    def propagate_data(self):
 
        user_model = UserModel()
 
        self.anonymous_user = User.get_by_username('default', cache=True)
 
        is_user_loaded = False
 

	
 
        # try go get user by api key
 
        if self._api_key and self._api_key != self.anonymous_user.api_key:
 
            log.debug('Auth User lookup by API KEY %s' % self._api_key)
 
            is_user_loaded = user_model.fill_data(self, api_key=self._api_key)
 
        # lookup by userid
 
        elif (self.user_id is not None and
 
              self.user_id != self.anonymous_user.user_id):
 
            log.debug('Auth User lookup by USER ID %s' % self.user_id)
 
            is_user_loaded = user_model.fill_data(self, user_id=self.user_id)
 
        # lookup by username
 
        elif self.username and \
 
            str2bool(config.get('container_auth_enabled', False)):
 

	
 
            log.debug('Auth User lookup by USER NAME %s' % self.username)
 
            dbuser = login_container_auth(self.username)
 
            if dbuser is not None:
 
                log.debug('filling all attributes to object')
 
                for k, v in dbuser.get_dict().items():
 
                    setattr(self, k, v)
 
                self.set_authenticated()
 
                is_user_loaded = True
 
        else:
 
            log.debug('No data in %s that could been used to log in' % self)
 

	
 
        if not is_user_loaded:
 
            # if we cannot authenticate user try anonymous
 
            if self.anonymous_user.active is True:
 
                user_model.fill_data(self, user_id=self.anonymous_user.user_id)
 
                # then we set this user is logged in
 
                self.is_authenticated = True
 
            else:
 
                self.user_id = None
 
                self.username = None
 
                self.is_authenticated = False
 

	
 
        if not self.username:
 
            self.username = 'None'
 

	
 
        log.debug('Auth User is now %s' % self)
 
        user_model.fill_perms(self)
 

	
 
    @property
 
    def is_admin(self):
 
        return self.admin
 

	
 
    @property
 
    def ip_allowed(self):
 
        """
 
        Checks if ip_addr used in constructor is allowed from defined list of
 
        allowed ip_addresses for user
 

	
 
        :returns: boolean, True if ip is in allowed ip range
 
        """
 
        #check IP
 
        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)
 
        return _set or set(['0.0.0.0/0'])
 
            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__)
 

	
 
        #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:
 
            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):
 
@@ -801,195 +807,202 @@ class HasRepoPermissionAny(PermsFunction
 
        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
 

	
 

	
 
#==============================================================================
 
# 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
rhodecode/model/db.py
Show inline comments
 
@@ -373,385 +373,385 @@ class User(Base, BaseModel):
 
    def ip_addresses(self):
 
        ret = UserIpMap.query().filter(UserIpMap.user == self).all()
 
        return [x.ip_addr for x in ret]
 

	
 
    @property
 
    def username_and_name(self):
 
        return '%s (%s %s)' % (self.username, self.firstname, self.lastname)
 

	
 
    @property
 
    def full_name(self):
 
        return '%s %s' % (self.firstname, self.lastname)
 

	
 
    @property
 
    def full_name_or_username(self):
 
        return ('%s %s' % (self.firstname, self.lastname)
 
                if (self.firstname and self.lastname) else self.username)
 

	
 
    @property
 
    def full_contact(self):
 
        return '%s %s <%s>' % (self.firstname, self.lastname, self.email)
 

	
 
    @property
 
    def short_contact(self):
 
        return '%s %s' % (self.firstname, self.lastname)
 

	
 
    @property
 
    def is_admin(self):
 
        return self.admin
 

	
 
    def __unicode__(self):
 
        return u"<%s('id:%s:%s')>" % (self.__class__.__name__,
 
                                     self.user_id, self.username)
 

	
 
    @classmethod
 
    def get_by_username(cls, username, case_insensitive=False, cache=False):
 
        if case_insensitive:
 
            q = cls.query().filter(cls.username.ilike(username))
 
        else:
 
            q = cls.query().filter(cls.username == username)
 

	
 
        if cache:
 
            q = q.options(FromCache(
 
                            "sql_cache_short",
 
                            "get_user_%s" % _hash_key(username)
 
                          )
 
            )
 
        return q.scalar()
 

	
 
    @classmethod
 
    def get_by_api_key(cls, api_key, cache=False):
 
        q = cls.query().filter(cls.api_key == api_key)
 

	
 
        if cache:
 
            q = q.options(FromCache("sql_cache_short",
 
                                    "get_api_key_%s" % api_key))
 
        return q.scalar()
 

	
 
    @classmethod
 
    def get_by_email(cls, email, case_insensitive=False, cache=False):
 
        if case_insensitive:
 
            q = cls.query().filter(cls.email.ilike(email))
 
        else:
 
            q = cls.query().filter(cls.email == email)
 

	
 
        if cache:
 
            q = q.options(FromCache("sql_cache_short",
 
                                    "get_email_key_%s" % email))
 

	
 
        ret = q.scalar()
 
        if ret is None:
 
            q = UserEmailMap.query()
 
            # try fetching in alternate email map
 
            if case_insensitive:
 
                q = q.filter(UserEmailMap.email.ilike(email))
 
            else:
 
                q = q.filter(UserEmailMap.email == email)
 
            q = q.options(joinedload(UserEmailMap.user))
 
            if cache:
 
                q = q.options(FromCache("sql_cache_short",
 
                                        "get_email_map_key_%s" % email))
 
            ret = getattr(q.scalar(), 'user', None)
 

	
 
        return ret
 

	
 
    @classmethod
 
    def get_from_cs_author(cls, author):
 
        """
 
        Tries to get User objects out of commit author string
 

	
 
        :param author:
 
        """
 
        from rhodecode.lib.helpers import email, author_name
 
        # Valid email in the attribute passed, see if they're in the system
 
        _email = email(author)
 
        if _email:
 
            user = cls.get_by_email(_email, case_insensitive=True)
 
            if user:
 
                return user
 
        # Maybe we can match by username?
 
        _author = author_name(author)
 
        user = cls.get_by_username(_author, case_insensitive=True)
 
        if user:
 
            return user
 

	
 
    def update_lastlogin(self):
 
        """Update user lastlogin"""
 
        self.last_login = datetime.datetime.now()
 
        Session().add(self)
 
        log.debug('updated user %s lastlogin' % self.username)
 

	
 
    def get_api_data(self):
 
        """
 
        Common function for generating user related data for API
 
        """
 
        user = self
 
        data = dict(
 
            user_id=user.user_id,
 
            username=user.username,
 
            firstname=user.name,
 
            lastname=user.lastname,
 
            email=user.email,
 
            emails=user.emails,
 
            api_key=user.api_key,
 
            active=user.active,
 
            admin=user.admin,
 
            ldap_dn=user.ldap_dn,
 
            last_login=user.last_login,
 
            ip_addresses=user.ip_addresses
 
        )
 
        return data
 

	
 
    def __json__(self):
 
        data = dict(
 
            full_name=self.full_name,
 
            full_name_or_username=self.full_name_or_username,
 
            short_contact=self.short_contact,
 
            full_contact=self.full_contact
 
        )
 
        data.update(self.get_api_data())
 
        return data
 

	
 

	
 
class UserEmailMap(Base, BaseModel):
 
    __tablename__ = 'user_email_map'
 
    __table_args__ = (
 
        Index('uem_email_idx', 'email'),
 
        UniqueConstraint('email'),
 
        {'extend_existing': True, 'mysql_engine': 'InnoDB',
 
         'mysql_charset': 'utf8'}
 
    )
 
    __mapper_args__ = {}
 

	
 
    email_id = Column("email_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
 
    user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
 
    _email = Column("email", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=False, default=None)
 
    user = relationship('User', lazy='joined')
 

	
 
    @validates('_email')
 
    def validate_email(self, key, email):
 
        # check if this email is not main one
 
        main_email = Session().query(User).filter(User.email == email).scalar()
 
        if main_email is not None:
 
            raise AttributeError('email %s is present is user table' % email)
 
        return email
 

	
 
    @hybrid_property
 
    def email(self):
 
        return self._email
 

	
 
    @email.setter
 
    def email(self, val):
 
        self._email = val.lower() if val else None
 

	
 

	
 
class UserIpMap(Base, BaseModel):
 
    __tablename__ = 'user_ip_map'
 
    __table_args__ = (
 
        UniqueConstraint('user_id', 'ip_addr'),
 
        {'extend_existing': True, 'mysql_engine': 'InnoDB',
 
         'mysql_charset': 'utf8'}
 
    )
 
    __mapper_args__ = {}
 

	
 
    ip_id = Column("ip_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
 
    user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
 
    ip_addr = Column("ip_addr", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=False, default=None)
 
    active = Column("active", Boolean(), nullable=True, unique=None, default=True)
 
    user = relationship('User', lazy='joined')
 

	
 
    @classmethod
 
    def _get_ip_range(cls, ip_addr):
 
        from rhodecode.lib import ipaddr
 
        net = ipaddr.IPv4Network(ip_addr)
 
        net = ipaddr.IPNetwork(address=ip_addr)
 
        return [str(net.network), str(net.broadcast)]
 

	
 
    def __json__(self):
 
        return dict(
 
          ip_addr=self.ip_addr,
 
          ip_range=self._get_ip_range(self.ip_addr)
 
        )
 

	
 

	
 
class UserLog(Base, BaseModel):
 
    __tablename__ = 'user_logs'
 
    __table_args__ = (
 
        {'extend_existing': True, 'mysql_engine': 'InnoDB',
 
         'mysql_charset': 'utf8'},
 
    )
 
    user_log_id = Column("user_log_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
 
    user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
 
    username = Column("username", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
 
    repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True)
 
    repository_name = Column("repository_name", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
 
    user_ip = Column("user_ip", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
 
    action = Column("action", UnicodeText(1200000, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
 
    action_date = Column("action_date", DateTime(timezone=False), nullable=True, unique=None, default=None)
 

	
 
    @property
 
    def action_as_day(self):
 
        return datetime.date(*self.action_date.timetuple()[:3])
 

	
 
    user = relationship('User')
 
    repository = relationship('Repository', cascade='')
 

	
 

	
 
class UsersGroup(Base, BaseModel):
 
    __tablename__ = 'users_groups'
 
    __table_args__ = (
 
        {'extend_existing': True, 'mysql_engine': 'InnoDB',
 
         'mysql_charset': 'utf8'},
 
    )
 

	
 
    users_group_id = Column("users_group_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
 
    users_group_name = Column("users_group_name", String(255, convert_unicode=False, assert_unicode=None), nullable=False, unique=True, default=None)
 
    users_group_active = Column("users_group_active", Boolean(), nullable=True, unique=None, default=None)
 
    inherit_default_permissions = Column("users_group_inherit_default_permissions", Boolean(), nullable=False, unique=None, default=True)
 

	
 
    members = relationship('UsersGroupMember', cascade="all, delete, delete-orphan", lazy="joined")
 
    users_group_to_perm = relationship('UsersGroupToPerm', cascade='all')
 
    users_group_repo_to_perm = relationship('UsersGroupRepoToPerm', cascade='all')
 

	
 
    def __unicode__(self):
 
        return u'<userGroup(%s)>' % (self.users_group_name)
 

	
 
    @classmethod
 
    def get_by_group_name(cls, group_name, cache=False,
 
                          case_insensitive=False):
 
        if case_insensitive:
 
            q = cls.query().filter(cls.users_group_name.ilike(group_name))
 
        else:
 
            q = cls.query().filter(cls.users_group_name == group_name)
 
        if cache:
 
            q = q.options(FromCache(
 
                            "sql_cache_short",
 
                            "get_user_%s" % _hash_key(group_name)
 
                          )
 
            )
 
        return q.scalar()
 

	
 
    @classmethod
 
    def get(cls, users_group_id, cache=False):
 
        users_group = cls.query()
 
        if cache:
 
            users_group = users_group.options(FromCache("sql_cache_short",
 
                                    "get_users_group_%s" % users_group_id))
 
        return users_group.get(users_group_id)
 

	
 
    def get_api_data(self):
 
        users_group = self
 

	
 
        data = dict(
 
            users_group_id=users_group.users_group_id,
 
            group_name=users_group.users_group_name,
 
            active=users_group.users_group_active,
 
        )
 

	
 
        return data
 

	
 

	
 
class UsersGroupMember(Base, BaseModel):
 
    __tablename__ = 'users_groups_members'
 
    __table_args__ = (
 
        {'extend_existing': True, 'mysql_engine': 'InnoDB',
 
         'mysql_charset': 'utf8'},
 
    )
 

	
 
    users_group_member_id = Column("users_group_member_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
 
    users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
 
    user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
 

	
 
    user = relationship('User', lazy='joined')
 
    users_group = relationship('UsersGroup')
 

	
 
    def __init__(self, gr_id='', u_id=''):
 
        self.users_group_id = gr_id
 
        self.user_id = u_id
 

	
 

	
 
class Repository(Base, BaseModel):
 
    __tablename__ = 'repositories'
 
    __table_args__ = (
 
        UniqueConstraint('repo_name'),
 
        Index('r_repo_name_idx', 'repo_name'),
 
        {'extend_existing': True, 'mysql_engine': 'InnoDB',
 
         'mysql_charset': 'utf8'},
 
    )
 

	
 
    repo_id = Column("repo_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
 
    repo_name = Column("repo_name", String(255, convert_unicode=False, assert_unicode=None), nullable=False, unique=True, default=None)
 
    clone_uri = Column("clone_uri", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=False, default=None)
 
    repo_type = Column("repo_type", String(255, convert_unicode=False, assert_unicode=None), nullable=False, unique=False, default=None)
 
    user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=False, default=None)
 
    private = Column("private", Boolean(), nullable=True, unique=None, default=None)
 
    enable_statistics = Column("statistics", Boolean(), nullable=True, unique=None, default=True)
 
    enable_downloads = Column("downloads", Boolean(), nullable=True, unique=None, default=True)
 
    description = Column("description", String(10000, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
 
    created_on = Column('created_on', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
 
    updated_on = Column('updated_on', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
 
    landing_rev = Column("landing_revision", String(255, convert_unicode=False, assert_unicode=None), nullable=False, unique=False, default=None)
 
    enable_locking = Column("enable_locking", Boolean(), nullable=False, unique=None, default=False)
 
    _locked = Column("locked", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=False, default=None)
 
    _changeset_cache = Column("changeset_cache", LargeBinary(), nullable=True) #JSON data
 

	
 
    fork_id = Column("fork_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True, unique=False, default=None)
 
    group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=True, unique=False, default=None)
 

	
 
    user = relationship('User')
 
    fork = relationship('Repository', remote_side=repo_id)
 
    group = relationship('RepoGroup')
 
    repo_to_perm = relationship('UserRepoToPerm', cascade='all', order_by='UserRepoToPerm.repo_to_perm_id')
 
    users_group_to_perm = relationship('UsersGroupRepoToPerm', cascade='all')
 
    stats = relationship('Statistics', cascade='all', uselist=False)
 

	
 
    followers = relationship('UserFollowing',
 
                             primaryjoin='UserFollowing.follows_repo_id==Repository.repo_id',
 
                             cascade='all')
 

	
 
    logs = relationship('UserLog')
 
    comments = relationship('ChangesetComment', cascade="all, delete, delete-orphan")
 

	
 
    pull_requests_org = relationship('PullRequest',
 
                    primaryjoin='PullRequest.org_repo_id==Repository.repo_id',
 
                    cascade="all, delete, delete-orphan")
 

	
 
    pull_requests_other = relationship('PullRequest',
 
                    primaryjoin='PullRequest.other_repo_id==Repository.repo_id',
 
                    cascade="all, delete, delete-orphan")
 

	
 
    def __unicode__(self):
 
        return u"<%s('%s:%s')>" % (self.__class__.__name__, self.repo_id,
 
                                   self.repo_name)
 

	
 
    @hybrid_property
 
    def locked(self):
 
        # always should return [user_id, timelocked]
 
        if self._locked:
 
            _lock_info = self._locked.split(':')
 
            return int(_lock_info[0]), _lock_info[1]
 
        return [None, None]
 

	
 
    @locked.setter
 
    def locked(self, val):
 
        if val and isinstance(val, (list, tuple)):
 
            self._locked = ':'.join(map(str, val))
 
        else:
 
            self._locked = None
 

	
 
    @hybrid_property
 
    def changeset_cache(self):
 
        from rhodecode.lib.vcs.backends.base import EmptyChangeset
 
        dummy = EmptyChangeset().__json__()
 
        if not self._changeset_cache:
 
            return dummy
 
        try:
 
            return json.loads(self._changeset_cache)
 
        except TypeError:
 
            return dummy
 

	
 
    @changeset_cache.setter
 
    def changeset_cache(self, val):
 
        try:
 
            self._changeset_cache = json.dumps(val)
 
        except:
 
            log.error(traceback.format_exc())
 

	
rhodecode/model/validators.py
Show inline comments
 
"""
 
Set of generic validators
 
"""
 
import os
 
import re
 
import formencode
 
import logging
 
from collections import defaultdict
 
from pylons.i18n.translation import _
 
from webhelpers.pylonslib.secure_form import authentication_token
 

	
 
from formencode.validators import (
 
    UnicodeString, OneOf, Int, Number, Regex, Email, Bool, StringBoolean, Set,
 
    NotEmpty, IPAddress, CIDR
 
)
 
from rhodecode.lib.compat import OrderedSet
 
from rhodecode.lib import ipaddr
 
from rhodecode.lib.utils import repo_name_slug
 
from rhodecode.model.db import RepoGroup, Repository, UsersGroup, User,\
 
    ChangesetStatus
 
from rhodecode.lib.exceptions import LdapImportError
 
from rhodecode.config.routing import ADMIN_PREFIX
 
from rhodecode.lib.auth import HasReposGroupPermissionAny
 

	
 
# silence warnings and pylint
 
UnicodeString, OneOf, Int, Number, Regex, Email, Bool, StringBoolean, Set, \
 
    NotEmpty, IPAddress, CIDR
 

	
 
log = logging.getLogger(__name__)
 

	
 

	
 
class UniqueList(formencode.FancyValidator):
 
    """
 
    Unique List !
 
    """
 
    messages = dict(
 
        empty=_('Value cannot be an empty list'),
 
        missing_value=_('Value cannot be an empty list'),
 
    )
 

	
 
    def _to_python(self, value, state):
 
        if isinstance(value, list):
 
            return value
 
        elif isinstance(value, set):
 
            return list(value)
 
        elif isinstance(value, tuple):
 
            return list(value)
 
        elif value is None:
 
            return []
 
        else:
 
            return [value]
 

	
 
    def empty_value(self, value):
 
        return []
 

	
 

	
 
class StateObj(object):
 
    """
 
    this is needed to translate the messages using _() in validators
 
    """
 
    _ = staticmethod(_)
 

	
 

	
 
def M(self, key, state=None, **kwargs):
 
    """
 
    returns string from self.message based on given key,
 
    passed kw params are used to substitute %(named)s params inside
 
    translated strings
 

	
 
    :param msg:
 
    :param state:
 
    """
 
    if state is None:
 
        state = StateObj()
 
    else:
 
        state._ = staticmethod(_)
 
    #inject validator into state object
 
    return self.message(key, state, **kwargs)
 

	
 

	
 
def ValidUsername(edit=False, old_data={}):
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'username_exists': _(u'Username "%(username)s" already exists'),
 
            'system_invalid_username':
 
                _(u'Username "%(username)s" is forbidden'),
 
            'invalid_username':
 
                _(u'Username may only contain alphanumeric characters '
 
                  'underscores, periods or dashes and must begin with '
 
                  'alphanumeric character')
 
        }
 

	
 
        def validate_python(self, value, state):
 
            if value in ['default', 'new_user']:
 
                msg = M(self, 'system_invalid_username', state, username=value)
 
                raise formencode.Invalid(msg, value, state)
 
            #check if user is unique
 
            old_un = None
 
            if edit:
 
                old_un = User.get(old_data.get('user_id')).username
 

	
 
            if old_un != value or not edit:
 
                if User.get_by_username(value, case_insensitive=True):
 
                    msg = M(self, 'username_exists', state, username=value)
 
                    raise formencode.Invalid(msg, value, state)
 

	
 
            if re.match(r'^[a-zA-Z0-9]{1}[a-zA-Z0-9\-\_\.]+$', value) is None:
 
                msg = M(self, 'invalid_username', state)
 
                raise formencode.Invalid(msg, value, state)
 
    return _validator
 

	
 

	
 
def ValidRepoUser():
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'invalid_username': _(u'Username %(username)s is not valid')
 
        }
 

	
 
        def validate_python(self, value, state):
 
            try:
 
                User.query().filter(User.active == True)\
 
                    .filter(User.username == value).one()
 
            except Exception:
 
                msg = M(self, 'invalid_username', state, username=value)
 
                raise formencode.Invalid(msg, value, state,
 
                    error_dict=dict(username=msg)
 
                )
 

	
 
    return _validator
 

	
 

	
 
def ValidUsersGroup(edit=False, old_data={}):
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'invalid_group': _(u'Invalid users group name'),
 
            'group_exist': _(u'Users group "%(usersgroup)s" already exists'),
 
            'invalid_usersgroup_name':
 
                _(u'users group name may only contain  alphanumeric '
 
                  'characters underscores, periods or dashes and must begin '
 
                  'with alphanumeric character')
 
        }
 

	
 
        def validate_python(self, value, state):
 
            if value in ['default']:
 
                msg = M(self, 'invalid_group', state)
 
                raise formencode.Invalid(msg, value, state,
 
                    error_dict=dict(users_group_name=msg)
 
                )
 
            #check if group is unique
 
            old_ugname = None
 
            if edit:
 
                old_id = old_data.get('users_group_id')
 
                old_ugname = UsersGroup.get(old_id).users_group_name
 

	
 
            if old_ugname != value or not edit:
 
                is_existing_group = UsersGroup.get_by_group_name(value,
 
                                                        case_insensitive=True)
 
                if is_existing_group:
 
                    msg = M(self, 'group_exist', state, usersgroup=value)
 
                    raise formencode.Invalid(msg, value, state,
 
                        error_dict=dict(users_group_name=msg)
 
                    )
 

	
 
            if re.match(r'^[a-zA-Z0-9]{1}[a-zA-Z0-9\-\_\.]+$', value) is None:
 
                msg = M(self, 'invalid_usersgroup_name', state)
 
                raise formencode.Invalid(msg, value, state,
 
                    error_dict=dict(users_group_name=msg)
 
                )
 

	
 
    return _validator
 

	
 

	
 
def ValidReposGroup(edit=False, old_data={}):
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'group_parent_id': _(u'Cannot assign this group as parent'),
 
            'group_exists': _(u'Group "%(group_name)s" already exists'),
 
            'repo_exists':
 
                _(u'Repository with name "%(group_name)s" already exists')
 
        }
 

	
 
        def validate_python(self, value, state):
 
            # TODO WRITE VALIDATIONS
 
            group_name = value.get('group_name')
 
            group_parent_id = value.get('group_parent_id')
 

	
 
            # slugify repo group just in case :)
 
            slug = repo_name_slug(group_name)
 

	
 
            # check for parent of self
 
            parent_of_self = lambda: (
 
                old_data['group_id'] == int(group_parent_id)
 
                if group_parent_id else False
 
            )
 
            if edit and parent_of_self():
 
                msg = M(self, 'group_parent_id', state)
 
                raise formencode.Invalid(msg, value, state,
 
                    error_dict=dict(group_parent_id=msg)
 
                )
 

	
 
            old_gname = None
 
            if edit:
 
                old_gname = RepoGroup.get(old_data.get('group_id')).group_name
 

	
 
            if old_gname != group_name or not edit:
 

	
 
                # check group
 
                gr = RepoGroup.query()\
 
                      .filter(RepoGroup.group_name == slug)\
 
@@ -522,224 +523,220 @@ def ValidPerms(type_='repo'):
 
                new_member = perm_dict.get('name')
 
                new_perm = perm_dict.get('perm')
 
                new_type = perm_dict.get('type')
 
                if new_member and new_perm and new_type:
 
                    perms_new.add((new_member, new_perm, new_type))
 

	
 
            for k, v in value.iteritems():
 
                if k.startswith('u_perm_') or k.startswith('g_perm_'):
 
                    member = k[7:]
 
                    t = {'u': 'user',
 
                         'g': 'users_group'
 
                    }[k[0]]
 
                    if member == 'default':
 
                        if value.get('private'):
 
                            # set none for default when updating to
 
                            # private repo
 
                            v = EMPTY_PERM
 
                    perms_update.add((member, v, t))
 

	
 
            value['perms_updates'] = list(perms_update)
 
            value['perms_new'] = list(perms_new)
 

	
 
            # update permissions
 
            for k, v, t in perms_new:
 
                try:
 
                    if t is 'user':
 
                        self.user_db = User.query()\
 
                            .filter(User.active == True)\
 
                            .filter(User.username == k).one()
 
                    if t is 'users_group':
 
                        self.user_db = UsersGroup.query()\
 
                            .filter(UsersGroup.users_group_active == True)\
 
                            .filter(UsersGroup.users_group_name == k).one()
 

	
 
                except Exception:
 
                    log.exception('Updated permission failed')
 
                    msg = M(self, 'perm_new_member_type', state)
 
                    raise formencode.Invalid(msg, value, state,
 
                        error_dict=dict(perm_new_member_name=msg)
 
                    )
 
            return value
 
    return _validator
 

	
 

	
 
def ValidSettings():
 
    class _validator(formencode.validators.FancyValidator):
 
        def _to_python(self, value, state):
 
            # settings  form for users that are not admin
 
            # can't edit certain parameters, it's extra backup if they mangle
 
            # with forms
 

	
 
            forbidden_params = [
 
                'user', 'repo_type', 'repo_enable_locking',
 
                'repo_enable_downloads', 'repo_enable_statistics'
 
            ]
 

	
 
            for param in forbidden_params:
 
                if param in value:
 
                    del value[param]
 
            return value
 

	
 
        def validate_python(self, value, state):
 
            pass
 
    return _validator
 

	
 

	
 
def ValidPath():
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'invalid_path': _(u'This is not a valid path')
 
        }
 

	
 
        def validate_python(self, value, state):
 
            if not os.path.isdir(value):
 
                msg = M(self, 'invalid_path', state)
 
                raise formencode.Invalid(msg, value, state,
 
                    error_dict=dict(paths_root_path=msg)
 
                )
 
    return _validator
 

	
 

	
 
def UniqSystemEmail(old_data={}):
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'email_taken': _(u'This e-mail address is already taken')
 
        }
 

	
 
        def _to_python(self, value, state):
 
            return value.lower()
 

	
 
        def validate_python(self, value, state):
 
            if (old_data.get('email') or '').lower() != value:
 
                user = User.get_by_email(value, case_insensitive=True)
 
                if user:
 
                    msg = M(self, 'email_taken', state)
 
                    raise formencode.Invalid(msg, value, state,
 
                        error_dict=dict(email=msg)
 
                    )
 
    return _validator
 

	
 

	
 
def ValidSystemEmail():
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'non_existing_email': _(u'e-mail "%(email)s" does not exist.')
 
        }
 

	
 
        def _to_python(self, value, state):
 
            return value.lower()
 

	
 
        def validate_python(self, value, state):
 
            user = User.get_by_email(value, case_insensitive=True)
 
            if user is None:
 
                msg = M(self, 'non_existing_email', state, email=value)
 
                raise formencode.Invalid(msg, value, state,
 
                    error_dict=dict(email=msg)
 
                )
 

	
 
    return _validator
 

	
 

	
 
def LdapLibValidator():
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 

	
 
        }
 

	
 
        def validate_python(self, value, state):
 
            try:
 
                import ldap
 
                ldap  # pyflakes silence !
 
            except ImportError:
 
                raise LdapImportError()
 

	
 
    return _validator
 

	
 

	
 
def AttrLoginValidator():
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'invalid_cn':
 
                  _(u'The LDAP Login attribute of the CN must be specified - '
 
                    'this is the name of the attribute that is equivalent '
 
                    'to "username"')
 
        }
 

	
 
        def validate_python(self, value, state):
 
            if not value or not isinstance(value, (str, unicode)):
 
                msg = M(self, 'invalid_cn', state)
 
                raise formencode.Invalid(msg, value, state,
 
                    error_dict=dict(ldap_attr_login=msg)
 
                )
 

	
 
    return _validator
 

	
 

	
 
def NotReviewedRevisions(repo_id):
 
    class _validator(formencode.validators.FancyValidator):
 
        messages = {
 
            'rev_already_reviewed':
 
                  _(u'Revisions %(revs)s are already part of pull request '
 
                    'or have set status')
 
        }
 

	
 
        def validate_python(self, value, state):
 
            # check revisions if they are not reviewed, or a part of another
 
            # pull request
 
            statuses = ChangesetStatus.query()\
 
                .filter(ChangesetStatus.revision.in_(value))\
 
                .filter(ChangesetStatus.repo_id == repo_id)\
 
                .all()
 

	
 
            errors = []
 
            for cs in statuses:
 
                if cs.pull_request_id:
 
                    errors.append(['pull_req', cs.revision[:12]])
 
                elif cs.status:
 
                    errors.append(['status', cs.revision[:12]])
 

	
 
            if errors:
 
                revs = ','.join([x[1] for x in errors])
 
                msg = M(self, 'rev_already_reviewed', state, revs=revs)
 
                raise formencode.Invalid(msg, value, state,
 
                    error_dict=dict(revisions=revs)
 
                )
 

	
 
    return _validator
 

	
 

	
 
def ValidIp():
 
    class _validator(CIDR):
 
        messages = dict(
 
            badFormat=_('Please enter a valid IP address (a.b.c.d)'),
 
            illegalOctets=_('The octets must be within the range of 0-255'
 
                ' (not %(octet)r)'),
 
            badFormat=_('Please enter a valid IPv4 or IpV6 address'),
 
            illegalBits=_('The network size (bits) must be within the range'
 
                ' of 0-32 (not %(bits)r)'))
 

	
 
        def to_python(self, value, state):
 
            v = super(_validator, self).to_python(value, state)
 
            v = v.strip()
 
            net = ipaddr.IPNetwork(address=v)
 
            if isinstance(net, ipaddr.IPv4Network):
 
                #if IPv4 doesn't end with a mask, add /32
 
                if '/' not in value:
 
                    v += '/32'
 
            if isinstance(net, ipaddr.IPv6Network):
 
                #if IPv6 doesn't end with a mask, add /128
 
                if '/' not in value:
 
                    v += '/128'
 
            return v
 

	
 
        def validate_python(self, value, state):
 
            try:
 
                # Split into octets and bits
 
                if '/' in value:  # a.b.c.d/e
 
                    addr, bits = value.split('/')
 
                else:  # a.b.c.d
 
                    addr, bits = value, 32
 
                # Use IPAddress validator to validate the IP part
 
                IPAddress.validate_python(self, addr, state)
 
                # Bits (netmask) correct?
 
                if not 0 <= int(bits) <= 32:
 
                    raise formencode.Invalid(
 
                        self.message('illegalBits', state, bits=bits),
 
                        value, state)
 
            # Splitting faild: wrong syntax
 
                addr = value.strip()
 
                #this raises an ValueError if address is not IpV4 or IpV6
 
                ipaddr.IPNetwork(address=addr)
 
            except ValueError:
 
                raise formencode.Invalid(self.message('badFormat', state),
 
                                         value, state)
 

	
 
        def to_python(self, value, state):
 
            v = super(_validator, self).to_python(value, state)
 
            #if IP doesn't end with a mask, add /32
 
            if '/' not in value:
 
                v += '/32'
 
            return v
 
    return _validator
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