Changeset - f6be760c786c
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Mads Kiilerich - 6 years ago 2020-04-12 02:43:56
mads@kiilerich.com
Grafted from: 2e4a6119cd6f
auth: simplify AuthUser.permissions and how it actually never use cache
2 files changed with 12 insertions and 22 deletions:
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kallithea/lib/auth.py
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@@ -19,49 +19,49 @@ authentication and permission libraries
 

	
 
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: Apr 4, 2010
 
:author: marcink
 
:copyright: (c) 2013 RhodeCode GmbH, and others.
 
:license: GPLv3, see LICENSE.md for more details.
 
"""
 
import hashlib
 
import itertools
 
import logging
 
import os
 
import string
 

	
 
import bcrypt
 
import ipaddr
 
from decorator import decorator
 
from sqlalchemy.orm import joinedload
 
from sqlalchemy.orm.exc import ObjectDeletedError
 
from tg import request
 
from tg.i18n import ugettext as _
 
from webob.exc import HTTPForbidden, HTTPFound
 

	
 
from kallithea.config.routing import url
 
from kallithea.lib.utils import conditional_cache, get_repo_group_slug, get_repo_slug, get_user_group_slug
 
from kallithea.lib.utils import get_repo_group_slug, get_repo_slug, get_user_group_slug
 
from kallithea.lib.utils2 import ascii_bytes, ascii_str, safe_bytes
 
from kallithea.lib.vcs.utils.lazy import LazyProperty
 
from kallithea.model.db import (Permission, User, UserApiKeys, UserGroup, UserGroupMember, UserGroupRepoGroupToPerm, UserGroupRepoToPerm, UserGroupToPerm,
 
                                UserGroupUserGroupToPerm, UserIpMap, UserToPerm)
 
from kallithea.model.meta import Session
 
from kallithea.model.user import UserModel
 

	
 

	
 
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'''
 
@@ -412,106 +412,98 @@ class AuthUser(object):
 
        if user_id is not None:
 
            assert dbuser is None
 
            log.debug('Auth User lookup by USER ID %s', user_id)
 
            dbuser = UserModel().get(user_id)
 
            assert dbuser is not None
 
        else:
 
            assert dbuser is not None
 
            log.debug('Auth User lookup by database user %s', dbuser)
 

	
 
        log.debug('filling %s data', dbuser)
 
        self.is_anonymous = dbuser.is_default_user
 
        if dbuser.is_default_user and not dbuser.active:
 
            self.username = 'None'
 
            self.is_default_user = False
 
        else:
 
            # copy non-confidential database fields from a `db.User` to this `AuthUser`.
 
            for k, v in dbuser.get_dict().items():
 
                assert k not in ['api_keys', 'permissions']
 
                setattr(self, k, v)
 
            self.is_default_user = dbuser.is_default_user
 
        log.debug('Auth User is now %s', self)
 

	
 
    @LazyProperty
 
    def permissions(self):
 
        return self.__get_perms(user=self, cache=False)
 
        """
 
        Fills user permission attribute with permissions taken from database
 
        works for permissions given for repositories, and for permissions that
 
        are granted to groups
 

	
 
        :param user: `AuthUser` instance
 
        """
 
        log.debug('Getting PERMISSION tree for %s', self)
 
        return _cached_perms_data(self.user_id, self.is_admin)
 

	
 
    def has_repository_permission_level(self, repo_name, level, purpose=None):
 
        required_perms = {
 
            'read': ['repository.read', 'repository.write', 'repository.admin'],
 
            'write': ['repository.write', 'repository.admin'],
 
            'admin': ['repository.admin'],
 
        }[level]
 
        actual_perm = self.permissions['repositories'].get(repo_name)
 
        ok = actual_perm in required_perms
 
        log.debug('Checking if user %r can %r repo %r (%s): %s (has %r)',
 
            self.username, level, repo_name, purpose, ok, actual_perm)
 
        return ok
 

	
 
    def has_repository_group_permission_level(self, repo_group_name, level, purpose=None):
 
        required_perms = {
 
            'read': ['group.read', 'group.write', 'group.admin'],
 
            'write': ['group.write', 'group.admin'],
 
            'admin': ['group.admin'],
 
        }[level]
 
        actual_perm = self.permissions['repositories_groups'].get(repo_group_name)
 
        ok = actual_perm in required_perms
 
        log.debug('Checking if user %r can %r repo group %r (%s): %s (has %r)',
 
            self.username, level, repo_group_name, purpose, ok, actual_perm)
 
        return ok
 

	
 
    def has_user_group_permission_level(self, user_group_name, level, purpose=None):
 
        required_perms = {
 
            'read': ['usergroup.read', 'usergroup.write', 'usergroup.admin'],
 
            'write': ['usergroup.write', 'usergroup.admin'],
 
            'admin': ['usergroup.admin'],
 
        }[level]
 
        actual_perm = self.permissions['user_groups'].get(user_group_name)
 
        ok = actual_perm in required_perms
 
        log.debug('Checking if user %r can %r user group %r (%s): %s (has %r)',
 
            self.username, level, user_group_name, purpose, ok, actual_perm)
 
        return ok
 

	
 
    @property
 
    def api_keys(self):
 
        return self._get_api_keys()
 

	
 
    def __get_perms(self, user, cache=False):
 
        """
 
        Fills user permission attribute with permissions taken from database
 
        works for permissions given for repositories, and for permissions that
 
        are granted to groups
 

	
 
        :param user: `AuthUser` instance
 
        """
 
        user_id = user.user_id
 
        user_is_admin = user.is_admin
 

	
 
        log.debug('Getting PERMISSION tree')
 
        compute = conditional_cache('short_term', 'cache_desc',
 
                                    condition=cache, func=_cached_perms_data)
 
        return compute(user_id, user_is_admin)
 

	
 
    def _get_api_keys(self):
 
        api_keys = [self.api_key]
 
        for api_key in UserApiKeys.query() \
 
                .filter_by(user_id=self.user_id, is_expired=False):
 
            api_keys.append(api_key.api_key)
 

	
 
        return api_keys
 

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

	
 
    @property
 
    def repositories_admin(self):
 
        """
 
        Returns list of repositories you're an admin of
 
        """
 
        return [x[0] for x in self.permissions['repositories'].items()
 
                if x[1] == 'repository.admin']
 

	
 
    @property
 
    def repository_groups_admin(self):
 
        """
 
        Returns list of repository groups you're an admin of
kallithea/lib/utils.py
Show inline comments
 
@@ -589,47 +589,45 @@ def check_git_version():
 
                  settings.GIT_EXECUTABLE_PATH, ver, output)
 
        if ver < git_req_ver:
 
            log.error('Kallithea detected %s version %s, which is too old '
 
                      'for the system to function properly. '
 
                      'Please upgrade to version %s or later. '
 
                      'If you strictly need Mercurial repositories, you can '
 
                      'clear the "git_path" setting in the ini file.',
 
                      settings.GIT_EXECUTABLE_PATH, ver, git_req_ver)
 
            log.error("Terminating ...")
 
            sys.exit(1)
 
    else:
 
        ver = StrictVersion('0.0.0')
 
        log.warning('Error finding version number in "%s --version" stdout:\n%s',
 
                    settings.GIT_EXECUTABLE_PATH, output)
 

	
 
    return ver
 

	
 

	
 
#===============================================================================
 
# CACHE RELATED METHODS
 
#===============================================================================
 

	
 
def conditional_cache(region, prefix, condition, func):
 
    """
 

	
 
    Conditional caching function use like::
 
        def _c(arg):
 
        def func(arg):
 
            #heavy computation function
 
            return data
 

	
 
        # depending from condition the compute is wrapped in cache or not
 
        compute = conditional_cache('short_term', 'cache_desc', condition=True, func=func)
 
        return compute(arg)
 

	
 
    :param region: name of cache region
 
    :param prefix: cache region prefix
 
    :param condition: condition for cache to be triggered, and return data cached
 
    :param func: wrapped heavy function to compute
 

	
 
    :param func: heavy function to compute
 
    """
 
    wrapped = func
 
    if condition:
 
        log.debug('conditional_cache: True, wrapping call of '
 
                  'func: %s into %s region cache' % (region, func))
 
        wrapped = beaker.cache._cache_decorate((prefix,), None, None, region)(func)
 

	
 
    return wrapped
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