Changeset - c9fcb3b04d4a
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0 6 0
Mads Kiilerich - 10 years ago 2015-07-31 15:44:07
madski@unity3d.com
auth: don't return extern_type from auth modules - it is not used anyway
6 files changed with 0 insertions and 10 deletions:
0 comments (0 inline, 0 general)
kallithea/lib/auth_modules/__init__.py
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# -*- coding: utf-8 -*-
 
# 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/>.
 
"""
 
Authentication modules
 
"""
 

	
 
import logging
 
import traceback
 

	
 
from kallithea import EXTERN_TYPE_INTERNAL
 
from kallithea.lib.compat import importlib
 
from kallithea.lib.utils2 import str2bool
 
from kallithea.lib.compat import formatted_json, hybrid_property
 
from kallithea.lib.auth import PasswordGenerator
 
from kallithea.model.user import UserModel
 
from kallithea.model.db import Setting, User
 
from kallithea.model.meta import Session
 
from kallithea.model.user_group import UserGroupModel
 

	
 
log = logging.getLogger(__name__)
 

	
 

	
 
class LazyFormencode(object):
 
    def __init__(self, formencode_obj, *args, **kwargs):
 
        self.formencode_obj = formencode_obj
 
        self.args = args
 
        self.kwargs = kwargs
 

	
 
    def __call__(self, *args, **kwargs):
 
        from inspect import isfunction
 
        formencode_obj = self.formencode_obj
 
        if isfunction(formencode_obj):
 
            #case we wrap validators into functions
 
            formencode_obj = self.formencode_obj(*args, **kwargs)
 
        return formencode_obj(*self.args, **self.kwargs)
 

	
 

	
 
class KallitheaAuthPluginBase(object):
 
    auth_func_attrs = {
 
        "username": "unique username",
 
        "firstname": "first name",
 
        "lastname": "last name",
 
        "email": "email address",
 
        "groups": '["list", "of", "groups"]',
 
        "extern_name": "name in external source of record",
 
        "extern_type": "type of external source of record",
 
        "admin": 'True|False defines if user should be Kallithea admin',
 
        "active": 'True|False defines active state of user in Kallithea',
 
        "active_from_extern": "True|False|None, active state from the external auth, "
 
                              "None means use value from the auth plugin"
 
    }
 

	
 
    @property
 
    def validators(self):
 
        """
 
        Exposes Kallithea validators modules
 
        """
 
        # this is a hack to overcome issues with pylons threadlocals and
 
        # translator object _() not being registered properly.
 
        class LazyCaller(object):
 
            def __init__(self, name):
 
                self.validator_name = name
 

	
 
            def __call__(self, *args, **kwargs):
 
                from kallithea.model import validators as v
 
                obj = getattr(v, self.validator_name)
 
                #log.debug('Initializing lazy formencode object: %s' % obj)
 
                return LazyFormencode(obj, *args, **kwargs)
 

	
 

	
 
        class ProxyGet(object):
 
            def __getattribute__(self, name):
 
                return LazyCaller(name)
 

	
 
        return ProxyGet()
 

	
 
    @hybrid_property
 
    def name(self):
 
        """
 
        Returns the name of this authentication plugin.
 

	
 
        :returns: string
 
        """
 
        raise NotImplementedError("Not implemented in base class")
 

	
 
    @hybrid_property
 
    def is_container_auth(self):
 
        """
 
        Returns bool if this module uses container auth.
 

	
 
        This property will trigger an automatic call to authenticate on
 
        a visit to the website or during a push/pull.
 

	
 
        :returns: bool
 
        """
 
        return False
 

	
 
    def accepts(self, user, accepts_empty=True):
 
        """
 
        Checks if this authentication module should accept a request for
 
        the current user.
 

	
 
        :param user: user object fetched using plugin's get_user() method.
 
        :param accepts_empty: if True accepts don't allow the user to be empty
 
        :returns: boolean
 
        """
 
        plugin_name = self.name
 
        if not user and not accepts_empty:
 
            log.debug('User is empty not allowed to authenticate')
 
            return False
 

	
 
        if user and user.extern_type and user.extern_type != plugin_name:
 
            log.debug('User %s should authenticate using %s this is %s, skipping'
 
                      % (user, user.extern_type, plugin_name))
 

	
 
            return False
 
        return True
 

	
 
    def get_user(self, username=None, **kwargs):
 
        """
 
        Helper method for user fetching in plugins, by default it's using
 
        simple fetch by username, but this method can be customized in plugins
 
        eg. container auth plugin to fetch user by environ params
 

	
 
        :param username: username if given to fetch from database
 
        :param kwargs: extra arguments needed for user fetching.
 
        """
 
        user = None
 
        log.debug('Trying to fetch user `%s` from Kallithea database'
 
                  % (username))
 
        if username:
 
            user = User.get_by_username(username)
 
            if not user:
 
                log.debug('Fallback to fetch user in case insensitive mode')
 
                user = User.get_by_username(username, case_insensitive=True)
 
        else:
 
            log.debug('provided username:`%s` is empty skipping...' % username)
 
        return user
 

	
 
    def settings(self):
 
        """
 
        Return a list of the form:
 
        [
 
            {
 
                "name": "OPTION_NAME",
 
                "type": "[bool|password|string|int|select]",
 
                ["values": ["opt1", "opt2", ...]]
 
                "validator": "expr"
 
                "description": "A short description of the option" [,
 
                "default": Default Value],
 
                ["formname": "Friendly Name for Forms"]
 
            } [, ...]
 
        ]
 

	
 
        This is used to interrogate the authentication plugin as to what
 
        settings it expects to be present and configured.
 

	
 
        'type' is a shorthand notation for what kind of value this option is.
 
        This is primarily used by the auth web form to control how the option
 
        is configured.
 
                bool : checkbox
 
                password : password input box
 
                string : input box
 
                select : single select dropdown
 

	
 
        'validator' is an lazy instantiated form field validator object, ala
 
        formencode. You need to *call* this object to init the validators.
 
        All calls to Kallithea validators should be used through self.validators
 
        which is a lazy loading proxy of formencode module.
 
        """
 
        raise NotImplementedError("Not implemented in base class")
 

	
 
    def plugin_settings(self):
 
        """
 
        This method is called by the authentication framework, not the .settings()
 
        method. This method adds a few default settings (e.g., "enabled"), so that
 
        plugin authors don't have to maintain a bunch of boilerplate.
 

	
 
        OVERRIDING THIS METHOD WILL CAUSE YOUR PLUGIN TO FAIL.
 
        """
 

	
 
        rcsettings = self.settings()
 
        rcsettings.insert(0, {
 
            "name": "enabled",
 
            "validator": self.validators.StringBoolean(if_missing=False),
 
            "type": "bool",
 
            "description": "Enable or Disable this Authentication Plugin",
 
            "formname": "Enabled"
 
            }
 
        )
 
        return rcsettings
 

	
 
    def user_activation_state(self):
 
        """
 
        Defines user activation state when creating new users
 

	
 
        :returns: boolean
 
        """
 
        raise NotImplementedError("Not implemented in base class")
 

	
 
    def auth(self, userobj, username, passwd, settings, **kwargs):
 
        """
 
        Given a user object (which may be None), username, a plaintext password,
 
        and a settings object (containing all the keys needed as listed in settings()),
 
        authenticate this user's login attempt.
 

	
 
        Return None on failure. On success, return a dictionary with keys from
 
        KallitheaAuthPluginBase.auth_func_attrs.
 

	
 
        This is later validated for correctness.
 
        """
 
        raise NotImplementedError("not implemented in base class")
 

	
 
    def _authenticate(self, userobj, username, passwd, settings, **kwargs):
 
        """
 
        Wrapper to call self.auth() that validates call on it
 

	
 
        :param userobj: userobj
 
        :param username: username
 
        :param passwd: plaintext password
 
        :param settings: plugin settings
 
        """
 
        user_data = self.auth(userobj, username, passwd, settings, **kwargs)
 
        if user_data is not None:
 
            return self._validate_auth_return(user_data)
 
        return None
 

	
 
    def _validate_auth_return(self, user_data):
 
        if not isinstance(user_data, dict):
 
            raise Exception('returned value from auth must be a dict')
 
        for k in self.auth_func_attrs:
 
            if k not in user_data:
 
                raise Exception('Missing %s attribute from returned data' % k)
 
        return user_data
 

	
 

	
 
class KallitheaExternalAuthPlugin(KallitheaAuthPluginBase):
 
    def use_fake_password(self):
kallithea/lib/auth_modules/auth_container.py
Show inline comments
 
# -*- coding: utf-8 -*-
 
# 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/>.
 
"""
 
kallithea.lib.auth_modules.auth_container
 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 

	
 
Kallithea container based authentication plugin
 

	
 
This file was forked by the Kallithea project in July 2014.
 
Original author and date, and relevant copyright and licensing information is below:
 
:created_on: Created on Nov 17, 2012
 
:author: marcink
 
:copyright: (c) 2013 RhodeCode GmbH, and others.
 
:license: GPLv3, see LICENSE.md for more details.
 
"""
 

	
 
import logging
 
from kallithea.lib import auth_modules
 
from kallithea.lib.utils2 import str2bool, safe_unicode
 
from kallithea.lib.compat import hybrid_property
 
from kallithea.model.db import User
 

	
 
log = logging.getLogger(__name__)
 

	
 

	
 
class KallitheaAuthPlugin(auth_modules.KallitheaExternalAuthPlugin):
 
    def __init__(self):
 
        pass
 

	
 
    @hybrid_property
 
    def name(self):
 
        return "container"
 

	
 
    @hybrid_property
 
    def is_container_auth(self):
 
        return True
 

	
 
    def settings(self):
 

	
 
        settings = [
 
            {
 
                "name": "header",
 
                "validator": self.validators.UnicodeString(strip=True, not_empty=True),
 
                "type": "string",
 
                "description": "Header to extract the user from",
 
                "default": "REMOTE_USER",
 
                "formname": "Header"
 
            },
 
            {
 
                "name": "fallback_header",
 
                "validator": self.validators.UnicodeString(strip=True),
 
                "type": "string",
 
                "description": "Header to extract the user from when main one fails",
 
                "default": "HTTP_X_FORWARDED_USER",
 
                "formname": "Fallback header"
 
            },
 
            {
 
                "name": "clean_username",
 
                "validator": self.validators.StringBoolean(if_missing=False),
 
                "type": "bool",
 
                "description": "Perform cleaning of user, if passed user has @ in username "
 
                               "then first part before @ is taken. "
 
                               "If there's \\ in the username only the part after \\ is taken",
 
                "default": "True",
 
                "formname": "Clean username"
 
            },
 
        ]
 
        return settings
 

	
 
    def use_fake_password(self):
 
        return True
 

	
 
    def user_activation_state(self):
 
        def_user_perms = User.get_default_user().AuthUser.permissions['global']
 
        return 'hg.extern_activate.auto' in def_user_perms
 

	
 
    def _clean_username(self, username):
 
        # Removing realm and domain from username
 
        username = username.partition('@')[0]
 
        username = username.rpartition('\\')[2]
 
        return username
 

	
 
    def _get_username(self, environ, settings):
 
        username = None
 
        environ = environ or {}
 
        if not environ:
 
            log.debug('got empty environ: %s' % environ)
 

	
 
        settings = settings or {}
 
        if settings.get('header'):
 
            header = settings.get('header')
 
            username = environ.get(header)
 
            log.debug('extracted %s:%s' % (header, username))
 

	
 
        # fallback mode
 
        if not username and settings.get('fallback_header'):
 
            header = settings.get('fallback_header')
 
            username = environ.get(header)
 
            log.debug('extracted %s:%s' % (header, username))
 

	
 
        if username and str2bool(settings.get('clean_username')):
 
            log.debug('Received username %s from container' % username)
 
            username = self._clean_username(username)
 
            log.debug('New cleanup user is: %s' % username)
 
        return username
 

	
 
    def get_user(self, username=None, **kwargs):
 
        """
 
        Helper method for user fetching in plugins, by default it's using
 
        simple fetch by username, but this method can be customized in plugins
 
        eg. container auth plugin to fetch user by environ params
 
        :param username: username if given to fetch
 
        :param kwargs: extra arguments needed for user fetching.
 
        """
 
        environ = kwargs.get('environ') or {}
 
        settings = kwargs.get('settings') or {}
 
        username = self._get_username(environ, settings)
 
        # we got the username, so use default method now
 
        return super(KallitheaAuthPlugin, self).get_user(username)
 

	
 
    def auth(self, userobj, username, password, settings, **kwargs):
 
        """
 
        Gets the container_auth username (or email). It tries to get username
 
        from REMOTE_USER if this plugin is enabled, if that fails
 
        it tries to get username from HTTP_X_FORWARDED_USER if fallback header
 
        is set. clean_username extracts the username from this data if it's
 
        having @ in it.
 
        Return None on failure. On success, return a dictionary of the form:
 

	
 
            see: KallitheaAuthPluginBase.auth_func_attrs
 

	
 
        :param userobj:
 
        :param username:
 
        :param password:
 
        :param settings:
 
        :param kwargs:
 
        """
 
        environ = kwargs.get('environ')
 
        if not environ:
 
            log.debug('Empty environ data skipping...')
 
            return None
 

	
 
        if not userobj:
 
            userobj = self.get_user('', environ=environ, settings=settings)
 

	
 
        # we don't care passed username/password for container auth plugins.
 
        # only way to log in is using environ
 
        username = None
 
        if userobj:
 
            username = getattr(userobj, 'username')
 

	
 
        if not username:
 
            # we don't have any objects in DB, user doesn't exist, extract
 
            # username from environ based on the settings
 
            username = self._get_username(environ, settings)
 

	
 
        # if cannot fetch username, it's a no-go for this plugin to proceed
 
        if not username:
 
            return None
 

	
 
        # old attrs fetched from Kallithea database
 
        admin = getattr(userobj, 'admin', False)
 
        active = getattr(userobj, 'active', True)
 
        email = getattr(userobj, 'email', '')
 
        firstname = getattr(userobj, 'firstname', '')
 
        lastname = getattr(userobj, 'lastname', '')
 
        extern_type = getattr(userobj, 'extern_type', '')
 

	
 
        user_data = {
 
            'username': username,
 
            'firstname': safe_unicode(firstname or username),
 
            'lastname': safe_unicode(lastname or ''),
 
            'groups': [],
 
            'email': email or '',
 
            'admin': admin or False,
 
            'active': active,
 
            'active_from_extern': True,
 
            'extern_name': username,
 
            'extern_type': extern_type,
 
        }
 

	
 
        log.info('user `%s` authenticated correctly' % user_data['username'])
 
        return user_data
kallithea/lib/auth_modules/auth_crowd.py
Show inline comments
 
@@ -31,214 +31,212 @@ import logging
 
import urllib2
 
from kallithea.lib import auth_modules
 
from kallithea.lib.compat import json, formatted_json, hybrid_property
 
from kallithea.model.db import User
 

	
 
log = logging.getLogger(__name__)
 

	
 

	
 
class CrowdServer(object):
 
    def __init__(self, *args, **kwargs):
 
        """
 
        Create a new CrowdServer object that points to IP/Address 'host',
 
        on the given port, and using the given method (https/http). user and
 
        passwd can be set here or with set_credentials. If unspecified,
 
        "version" defaults to "latest".
 

	
 
        example::
 

	
 
            cserver = CrowdServer(host="127.0.0.1",
 
                                  port="8095",
 
                                  user="some_app",
 
                                  passwd="some_passwd",
 
                                  version="1")
 
        """
 
        if not "port" in kwargs:
 
            kwargs["port"] = "8095"
 
        self._logger = kwargs.get("logger", logging.getLogger(__name__))
 
        self._uri = "%s://%s:%s/crowd" % (kwargs.get("method", "http"),
 
                                    kwargs.get("host", "127.0.0.1"),
 
                                    kwargs.get("port", "8095"))
 
        self.set_credentials(kwargs.get("user", ""),
 
                             kwargs.get("passwd", ""))
 
        self._version = kwargs.get("version", "latest")
 
        self._url_list = None
 
        self._appname = "crowd"
 

	
 
    def set_credentials(self, user, passwd):
 
        self.user = user
 
        self.passwd = passwd
 
        self._make_opener()
 

	
 
    def _make_opener(self):
 
        mgr = urllib2.HTTPPasswordMgrWithDefaultRealm()
 
        mgr.add_password(None, self._uri, self.user, self.passwd)
 
        handler = urllib2.HTTPBasicAuthHandler(mgr)
 
        self.opener = urllib2.build_opener(handler)
 

	
 
    def _request(self, url, body=None, headers=None,
 
                 method=None, noformat=False,
 
                 empty_response_ok=False):
 
        _headers = {"Content-type": "application/json",
 
                    "Accept": "application/json"}
 
        if self.user and self.passwd:
 
            authstring = base64.b64encode("%s:%s" % (self.user, self.passwd))
 
            _headers["Authorization"] = "Basic %s" % authstring
 
        if headers:
 
            _headers.update(headers)
 
        log.debug("Sent crowd: \n%s"
 
                  % (formatted_json({"url": url, "body": body,
 
                                           "headers": _headers})))
 
        request = urllib2.Request(url, body, _headers)
 
        if method:
 
            request.get_method = lambda: method
 

	
 
        global msg
 
        msg = ""
 
        try:
 
            rdoc = self.opener.open(request)
 
            msg = "".join(rdoc.readlines())
 
            if not msg and empty_response_ok:
 
                rval = {}
 
                rval["status"] = True
 
                rval["error"] = "Response body was empty"
 
            elif not noformat:
 
                rval = json.loads(msg)
 
                rval["status"] = True
 
            else:
 
                rval = "".join(rdoc.readlines())
 
        except Exception, e:
 
            if not noformat:
 
                rval = {"status": False,
 
                        "body": body,
 
                        "error": str(e) + "\n" + msg}
 
            else:
 
                rval = None
 
        return rval
 

	
 
    def user_auth(self, username, password):
 
        """Authenticate a user against crowd. Returns brief information about
 
        the user."""
 
        url = ("%s/rest/usermanagement/%s/authentication?username=%s"
 
               % (self._uri, self._version, username))
 
        body = json.dumps({"value": password})
 
        return self._request(url, body)
 

	
 
    def user_groups(self, username):
 
        """Retrieve a list of groups to which this user belongs."""
 
        url = ("%s/rest/usermanagement/%s/user/group/nested?username=%s"
 
               % (self._uri, self._version, username))
 
        return self._request(url)
 

	
 

	
 
class KallitheaAuthPlugin(auth_modules.KallitheaExternalAuthPlugin):
 

	
 
    @hybrid_property
 
    def name(self):
 
        return "crowd"
 

	
 
    def settings(self):
 
        settings = [
 
            {
 
                "name": "host",
 
                "validator": self.validators.UnicodeString(strip=True),
 
                "type": "string",
 
                "description": "The FQDN or IP of the Atlassian CROWD Server",
 
                "default": "127.0.0.1",
 
                "formname": "Host"
 
            },
 
            {
 
                "name": "port",
 
                "validator": self.validators.Number(strip=True),
 
                "type": "int",
 
                "description": "The Port in use by the Atlassian CROWD Server",
 
                "default": 8095,
 
                "formname": "Port"
 
            },
 
            {
 
                "name": "app_name",
 
                "validator": self.validators.UnicodeString(strip=True),
 
                "type": "string",
 
                "description": "The Application Name to authenticate to CROWD",
 
                "default": "",
 
                "formname": "Application Name"
 
            },
 
            {
 
                "name": "app_password",
 
                "validator": self.validators.UnicodeString(strip=True),
 
                "type": "string",
 
                "description": "The password to authenticate to CROWD",
 
                "default": "",
 
                "formname": "Application Password"
 
            },
 
            {
 
                "name": "admin_groups",
 
                "validator": self.validators.UnicodeString(strip=True),
 
                "type": "string",
 
                "description": "A comma separated list of group names that identify users as Kallithea Administrators",
 
                "formname": "Admin Groups"
 
            }
 
        ]
 
        return settings
 

	
 
    def use_fake_password(self):
 
        return True
 

	
 
    def user_activation_state(self):
 
        def_user_perms = User.get_default_user().AuthUser.permissions['global']
 
        return 'hg.extern_activate.auto' in def_user_perms
 

	
 
    def auth(self, userobj, username, password, settings, **kwargs):
 
        """
 
        Given a user object (which may be null), username, a plaintext password,
 
        and a settings object (containing all the keys needed as listed in settings()),
 
        authenticate this user's login attempt.
 

	
 
        Return None on failure. On success, return a dictionary of the form:
 

	
 
            see: KallitheaAuthPluginBase.auth_func_attrs
 
        This is later validated for correctness
 
        """
 
        if not username or not password:
 
            log.debug('Empty username or password skipping...')
 
            return None
 

	
 
        log.debug("Crowd settings: \n%s" % (formatted_json(settings)))
 
        server = CrowdServer(**settings)
 
        server.set_credentials(settings["app_name"], settings["app_password"])
 
        crowd_user = server.user_auth(username, password)
 
        log.debug("Crowd returned: \n%s" % (formatted_json(crowd_user)))
 
        if not crowd_user["status"]:
 
            return None
 

	
 
        res = server.user_groups(crowd_user["name"])
 
        log.debug("Crowd groups: \n%s" % (formatted_json(res)))
 
        crowd_user["groups"] = [x["name"] for x in res["groups"]]
 

	
 
        # old attrs fetched from Kallithea database
 
        admin = getattr(userobj, 'admin', False)
 
        active = getattr(userobj, 'active', True)
 
        email = getattr(userobj, 'email', '')
 
        firstname = getattr(userobj, 'firstname', '')
 
        lastname = getattr(userobj, 'lastname', '')
 
        extern_type = getattr(userobj, 'extern_type', '')
 

	
 
        user_data = {
 
            'username': username,
 
            'firstname': crowd_user["first-name"] or firstname,
 
            'lastname': crowd_user["last-name"] or lastname,
 
            'groups': crowd_user["groups"],
 
            'email': crowd_user["email"] or email,
 
            'admin': admin,
 
            'active': active,
 
            'active_from_extern': crowd_user.get('active'),
 
            'extern_name': crowd_user["name"],
 
            'extern_type': extern_type,
 
        }
 

	
 
        # set an admin if we're in admin_groups of crowd
 
        for group in settings["admin_groups"].split(","):
 
            if group in user_data["groups"]:
 
                user_data["admin"] = True
 
        log.debug("Final crowd user object: \n%s" % (formatted_json(user_data)))
 
        log.info('user %s authenticated correctly' % user_data['username'])
 
        return user_data
kallithea/lib/auth_modules/auth_internal.py
Show inline comments
 
# -*- coding: utf-8 -*-
 
# 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/>.
 
"""
 
kallithea.lib.auth_modules.auth_internal
 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 

	
 
Kallithea authentication plugin for built in internal auth
 

	
 
This file was forked by the Kallithea project in July 2014.
 
Original author and date, and relevant copyright and licensing information is below:
 
:created_on: Created on Nov 17, 2012
 
:author: marcink
 
:copyright: (c) 2013 RhodeCode GmbH, and others.
 
:license: GPLv3, see LICENSE.md for more details.
 
"""
 

	
 

	
 
import logging
 

	
 
from kallithea import EXTERN_TYPE_INTERNAL
 
from kallithea.lib import auth_modules
 
from kallithea.lib.compat import formatted_json, hybrid_property
 
from kallithea.model.db import User
 

	
 
log = logging.getLogger(__name__)
 

	
 

	
 
class KallitheaAuthPlugin(auth_modules.KallitheaAuthPluginBase):
 
    def __init__(self):
 
        pass
 

	
 
    @hybrid_property
 
    def name(self):
 
        return EXTERN_TYPE_INTERNAL
 

	
 
    def settings(self):
 
        return []
 

	
 
    def user_activation_state(self):
 
        def_user_perms = User.get_default_user().AuthUser.permissions['global']
 
        return 'hg.register.auto_activate' in def_user_perms
 

	
 
    def accepts(self, user, accepts_empty=True):
 
        """
 
        Custom accepts for this auth that doesn't accept empty users. We
 
        know that user exists in database.
 
        """
 
        return super(KallitheaAuthPlugin, self).accepts(user,
 
                                                        accepts_empty=False)
 

	
 
    def auth(self, userobj, username, password, settings, **kwargs):
 
        if not userobj:
 
            log.debug('userobj was:%s skipping' % (userobj, ))
 
            return None
 
        if userobj.extern_type != self.name:
 
            log.warning("userobj:%s extern_type mismatch got:`%s` expected:`%s`"
 
                     % (userobj, userobj.extern_type, self.name))
 
            return None
 

	
 
        user_data = {
 
            "username": userobj.username,
 
            "firstname": userobj.firstname,
 
            "lastname": userobj.lastname,
 
            "groups": [],
 
            "email": userobj.email,
 
            "admin": userobj.admin,
 
            "active": userobj.active,
 
            "active_from_extern": userobj.active,
 
            "extern_name": userobj.user_id,
 
            'extern_type': userobj.extern_type,
 
        }
 

	
 
        log.debug(formatted_json(user_data))
 
        if userobj.active:
 
            from kallithea.lib import auth
 
            password_match = auth.KallitheaCrypto.hash_check(password, userobj.password)
 
            if userobj.username == User.DEFAULT_USER and userobj.active:
 
                log.info('user %s authenticated correctly as anonymous user' %
 
                         username)
 
                return user_data
 

	
 
            elif userobj.username == username and password_match:
 
                log.info('user %s authenticated correctly' % user_data['username'])
 
                return user_data
 
            log.error("user %s had a bad password" % username)
 
            return None
 
        else:
 
            log.warning('user %s tried auth but is disabled' % username)
 
            return None
kallithea/lib/auth_modules/auth_ldap.py
Show inline comments
 
@@ -149,215 +149,213 @@ class AuthLdap(object):
 
                    log.debug('Trying simple bind with %s' % dn)
 
                    server.simple_bind_s(dn, safe_str(password))
 
                    attrs = server.search_ext_s(dn, ldap.SCOPE_BASE,
 
                                                '(objectClass=*)')[0][1]
 
                    break
 

	
 
                except ldap.INVALID_CREDENTIALS:
 
                    log.debug("LDAP rejected password for user '%s' (%s): %s"
 
                              % (uid, username, dn))
 

	
 
            else:
 
                log.debug("No matching LDAP objects for authentication "
 
                          "of '%s' (%s)", uid, username)
 
                raise LdapPasswordError()
 

	
 
        except ldap.NO_SUCH_OBJECT:
 
            log.debug("LDAP says no such user '%s' (%s)" % (uid, username))
 
            raise LdapUsernameError()
 
        except ldap.SERVER_DOWN:
 
            raise LdapConnectionError("LDAP can't access authentication server")
 

	
 
        return dn, attrs
 

	
 

	
 
class KallitheaAuthPlugin(auth_modules.KallitheaExternalAuthPlugin):
 
    def __init__(self):
 
        self._logger = logging.getLogger(__name__)
 
        self._tls_kind_values = ["PLAIN", "LDAPS", "START_TLS"]
 
        self._tls_reqcert_values = ["NEVER", "ALLOW", "TRY", "DEMAND", "HARD"]
 
        self._search_scopes = ["BASE", "ONELEVEL", "SUBTREE"]
 

	
 
    @hybrid_property
 
    def name(self):
 
        return "ldap"
 

	
 
    def settings(self):
 
        settings = [
 
            {
 
                "name": "host",
 
                "validator": self.validators.UnicodeString(strip=True),
 
                "type": "string",
 
                "description": "Host of the LDAP Server",
 
                "formname": "LDAP Host"
 
            },
 
            {
 
                "name": "port",
 
                "validator": self.validators.Number(strip=True, not_empty=True),
 
                "type": "string",
 
                "description": "Port that the LDAP server is listening on",
 
                "default": 389,
 
                "formname": "Port"
 
            },
 
            {
 
                "name": "dn_user",
 
                "validator": self.validators.UnicodeString(strip=True),
 
                "type": "string",
 
                "description": "User to connect to LDAP",
 
                "formname": "Account"
 
            },
 
            {
 
                "name": "dn_pass",
 
                "validator": self.validators.UnicodeString(strip=True),
 
                "type": "password",
 
                "description": "Password to connect to LDAP",
 
                "formname": "Password"
 
            },
 
            {
 
                "name": "tls_kind",
 
                "validator": self.validators.OneOf(self._tls_kind_values),
 
                "type": "select",
 
                "values": self._tls_kind_values,
 
                "description": "TLS Type",
 
                "default": 'PLAIN',
 
                "formname": "Connection Security"
 
            },
 
            {
 
                "name": "tls_reqcert",
 
                "validator": self.validators.OneOf(self._tls_reqcert_values),
 
                "type": "select",
 
                "values": self._tls_reqcert_values,
 
                "description": "Require Cert over TLS?",
 
                "formname": "Certificate Checks"
 
            },
 
            {
 
                "name": "base_dn",
 
                "validator": self.validators.UnicodeString(strip=True),
 
                "type": "string",
 
                "description": "Base DN to search (e.g., dc=mydomain,dc=com)",
 
                "formname": "Base DN"
 
            },
 
            {
 
                "name": "filter",
 
                "validator": self.validators.UnicodeString(strip=True),
 
                "type": "string",
 
                "description": "Filter to narrow results (e.g., ou=Users, etc)",
 
                "formname": "LDAP Search Filter"
 
            },
 
            {
 
                "name": "search_scope",
 
                "validator": self.validators.OneOf(self._search_scopes),
 
                "type": "select",
 
                "values": self._search_scopes,
 
                "description": "How deep to search LDAP",
 
                "formname": "LDAP Search Scope"
 
            },
 
            {
 
                "name": "attr_login",
 
                "validator": self.validators.AttrLoginValidator(not_empty=True, strip=True),
 
                "type": "string",
 
                "description": "LDAP Attribute to map to user name",
 
                "formname": "Login Attribute"
 
            },
 
            {
 
                "name": "attr_firstname",
 
                "validator": self.validators.UnicodeString(strip=True),
 
                "type": "string",
 
                "description": "LDAP Attribute to map to first name",
 
                "formname": "First Name Attribute"
 
            },
 
            {
 
                "name": "attr_lastname",
 
                "validator": self.validators.UnicodeString(strip=True),
 
                "type": "string",
 
                "description": "LDAP Attribute to map to last name",
 
                "formname": "Last Name Attribute"
 
            },
 
            {
 
                "name": "attr_email",
 
                "validator": self.validators.UnicodeString(strip=True),
 
                "type": "string",
 
                "description": "LDAP Attribute to map to email address",
 
                "formname": "Email Attribute"
 
            }
 
        ]
 
        return settings
 

	
 
    def use_fake_password(self):
 
        return True
 

	
 
    def user_activation_state(self):
 
        def_user_perms = User.get_default_user().AuthUser.permissions['global']
 
        return 'hg.extern_activate.auto' in def_user_perms
 

	
 
    def auth(self, userobj, username, password, settings, **kwargs):
 
        """
 
        Given a user object (which may be null), username, a plaintext password,
 
        and a settings object (containing all the keys needed as listed in settings()),
 
        authenticate this user's login attempt.
 

	
 
        Return None on failure. On success, return a dictionary of the form:
 

	
 
            see: KallitheaAuthPluginBase.auth_func_attrs
 
        This is later validated for correctness
 
        """
 

	
 
        if not username or not password:
 
            log.debug('Empty username or password skipping...')
 
            return None
 

	
 
        kwargs = {
 
            'server': settings.get('host', ''),
 
            'base_dn': settings.get('base_dn', ''),
 
            'port': settings.get('port'),
 
            'bind_dn': settings.get('dn_user'),
 
            'bind_pass': settings.get('dn_pass'),
 
            'tls_kind': settings.get('tls_kind'),
 
            'tls_reqcert': settings.get('tls_reqcert'),
 
            'ldap_filter': settings.get('filter'),
 
            'search_scope': settings.get('search_scope'),
 
            'attr_login': settings.get('attr_login'),
 
            'ldap_version': 3,
 
        }
 

	
 
        if kwargs['bind_dn'] and not kwargs['bind_pass']:
 
            log.debug('Using dynamic binding.')
 
            kwargs['bind_dn'] = kwargs['bind_dn'].replace('$login', username)
 
            kwargs['bind_pass'] = password
 
        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(settings.get(k), [''])[0]
 

	
 
            # old attrs fetched from Kallithea database
 
            admin = getattr(userobj, 'admin', False)
 
            active = getattr(userobj, 'active', self.user_activation_state())
 
            email = getattr(userobj, 'email', '')
 
            firstname = getattr(userobj, 'firstname', '')
 
            lastname = getattr(userobj, 'lastname', '')
 
            extern_type = getattr(userobj, 'extern_type', '')
 

	
 
            user_data = {
 
                'username': username,
 
                'firstname': safe_unicode(get_ldap_attr('attr_firstname') or firstname),
 
                'lastname': safe_unicode(get_ldap_attr('attr_lastname') or lastname),
 
                'groups': [],
 
                'email': get_ldap_attr('attr_email') or email,
 
                'admin': admin,
 
                'active': active,
 
                "active_from_extern": None,
 
                'extern_name': user_dn,
 
                'extern_type': extern_type,
 
            }
 
            log.info('user %s authenticated correctly' % user_data['username'])
 
            return user_data
 

	
 
        except (LdapUsernameError, LdapPasswordError, LdapImportError):
 
            log.error(traceback.format_exc())
 
            return None
 
        except (Exception,):
 
            log.error(traceback.format_exc())
 
            return None
kallithea/lib/auth_modules/auth_pam.py
Show inline comments
 
# -*- coding: utf-8 -*-
 
# 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/>.
 
"""
 
kallithea.lib.auth_pam
 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 

	
 
Kallithea authentication library for PAM
 

	
 
This file was forked by the Kallithea project in July 2014.
 
Original author and date, and relevant copyright and licensing information is below:
 
:created_on: Created on Apr 09, 2013
 
:author: Alexey Larikov
 
"""
 

	
 
import logging
 
import time
 
import pam
 
import pwd
 
import grp
 
import re
 
import socket
 
import threading
 

	
 
from kallithea.lib import auth_modules
 
from kallithea.lib.compat import formatted_json, hybrid_property
 

	
 
log = logging.getLogger(__name__)
 

	
 
# Cache to store PAM authenticated users
 
_auth_cache = dict()
 
_pam_lock = threading.Lock()
 

	
 

	
 
class KallitheaAuthPlugin(auth_modules.KallitheaExternalAuthPlugin):
 
    # PAM authnetication can be slow. Repository operations involve a lot of
 
    # auth calls. Little caching helps speedup push/pull operations significantly
 
    AUTH_CACHE_TTL = 4
 

	
 
    def __init__(self):
 
        global _auth_cache
 
        ts = time.time()
 
        cleared_cache = dict(
 
            [(k, v) for (k, v) in _auth_cache.items() if
 
             (v + KallitheaAuthPlugin.AUTH_CACHE_TTL > ts)])
 
        _auth_cache = cleared_cache
 

	
 
    @hybrid_property
 
    def name(self):
 
        return "pam"
 

	
 
    def settings(self):
 
        settings = [
 
            {
 
                "name": "service",
 
                "validator": self.validators.UnicodeString(strip=True),
 
                "type": "string",
 
                "description": "PAM service name to use for authentication",
 
                "default": "login",
 
                "formname": "PAM service name"
 
            },
 
            {
 
                "name": "gecos",
 
                "validator": self.validators.UnicodeString(strip=True),
 
                "type": "string",
 
                "description": "Regex for extracting user name/email etc "
 
                               "from Unix userinfo",
 
                "default": "(?P<last_name>.+),\s*(?P<first_name>\w+)",
 
                "formname": "Gecos Regex"
 
            }
 
        ]
 
        return settings
 

	
 
    def use_fake_password(self):
 
        return True
 

	
 
    def auth(self, userobj, username, password, settings, **kwargs):
 
        if username not in _auth_cache:
 
            # Need lock here, as PAM authentication is not thread safe
 
            _pam_lock.acquire()
 
            try:
 
                auth_result = pam.authenticate(username, password,
 
                                               settings["service"])
 
                # cache result only if we properly authenticated
 
                if auth_result:
 
                    _auth_cache[username] = time.time()
 
            finally:
 
                _pam_lock.release()
 

	
 
            if not auth_result:
 
                log.error("PAM was unable to authenticate user: %s" % (username,))
 
                return None
 
        else:
 
            log.debug("Using cached auth for user: %s" % (username,))
 

	
 
        # old attrs fetched from Kallithea database
 
        admin = getattr(userobj, 'admin', False)
 
        active = getattr(userobj, 'active', True)
 
        email = getattr(userobj, 'email', '') or "%s@%s" % (username, socket.gethostname())
 
        firstname = getattr(userobj, 'firstname', '')
 
        lastname = getattr(userobj, 'lastname', '')
 
        extern_type = getattr(userobj, 'extern_type', '')
 

	
 
        user_data = {
 
            'username': username,
 
            'firstname': firstname,
 
            'lastname': lastname,
 
            'groups': [g.gr_name for g in grp.getgrall() if username in g.gr_mem],
 
            'email': email,
 
            'admin': admin,
 
            'active': active,
 
            "active_from_extern": None,
 
            'extern_name': username,
 
            'extern_type': extern_type,
 
        }
 

	
 
        try:
 
            user_data = pwd.getpwnam(username)
 
            regex = settings["gecos"]
 
            match = re.search(regex, user_data.pw_gecos)
 
            if match:
 
                user_data["firstname"] = match.group('first_name')
 
                user_data["lastname"] = match.group('last_name')
 
        except Exception:
 
            log.warning("Cannot extract additional info for PAM user %s", username)
 
            pass
 

	
 
        log.debug("pamuser: \n%s" % formatted_json(user_data))
 
        log.info('user %s authenticated correctly' % user_data['username'])
 
        return user_data
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