Changeset - 97619528c270
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Søren Løvborg - 9 years ago 2016-11-09 15:49:49
sorenl@unity3d.com
auth: remove KallitheaCrypto pseudo-class

Every caller except one already used the module-level wrapper functions.
2 files changed with 30 insertions and 42 deletions:
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kallithea/lib/auth.py
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@@ -49,142 +49,130 @@ from kallithea.model import meta
 
from kallithea.model.meta import Session
 
from kallithea.model.user import UserModel
 
from kallithea.model.db import User, Repository, Permission, \
 
    UserToPerm, UserGroupRepoToPerm, UserGroupToPerm, UserGroupMember, \
 
    RepoGroup, UserGroupRepoGroupToPerm, UserIpMap, UserGroupUserGroupToPerm, \
 
    UserGroup, UserApiKeys
 

	
 
from kallithea.lib.utils2 import safe_str, safe_unicode, aslist
 
from kallithea.lib.utils import get_repo_slug, get_repo_group_slug, \
 
    get_user_group_slug, conditional_cache
 
from kallithea.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 gen_password(self, length, alphabet=ALPHABETS_FULL):
 
        assert len(alphabet) <= 256, alphabet
 
        l = []
 
        while len(l) < length:
 
            i = ord(os.urandom(1))
 
            if i < len(alphabet):
 
                l.append(alphabet[i])
 
        return ''.join(l)
 

	
 

	
 
class KallitheaCrypto(object):
 

	
 
    @classmethod
 
    def hash_string(cls, str_):
 
        """
 
        Cryptographic function used for password hashing based on pybcrypt
 
        or Python's own OpenSSL wrapper on windows
 

	
 
        :param password: password to hash
 
        """
 
        if is_windows:
 
            return hashlib.sha256(str_).hexdigest()
 
        elif is_unix:
 
            import bcrypt
 
            return bcrypt.hashpw(safe_str(str_), bcrypt.gensalt(10))
 
        else:
 
            raise Exception('Unknown or unsupported platform %s' \
 
                            % __platform__)
 
def get_crypt_password(password):
 
    """
 
    Cryptographic function used for password hashing based on pybcrypt
 
    or Python's own OpenSSL wrapper on windows
 

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

	
 

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

	
 

	
 
def check_password(password, hashed):
 
    return KallitheaCrypto.hash_check(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:
 
        return hashlib.sha256(password).hexdigest() == hashed
 
    elif is_unix:
 
        import bcrypt
 
        return bcrypt.checkpw(safe_str(password), safe_str(hashed))
 
    else:
 
        raise Exception('Unknown or unsupported platform %s' \
 
                        % __platform__)
 

	
 

	
 
def _cached_perms_data(user_id, user_is_admin, user_inherit_default_permissions,
 
                       explicit, algo):
 
    RK = 'repositories'
 
    GK = 'repositories_groups'
 
    UK = 'user_groups'
 
    GLOBAL = 'global'
 
    PERM_WEIGHTS = Permission.PERM_WEIGHTS
 
    permissions = {RK: {}, GK: {}, UK: {}, GLOBAL: set()}
 

	
 
    def _choose_perm(new_perm, cur_perm):
 
        new_perm_val = PERM_WEIGHTS[new_perm]
 
        cur_perm_val = PERM_WEIGHTS[cur_perm]
 
        if algo == 'higherwin':
 
            if new_perm_val > cur_perm_val:
 
                return new_perm
 
            return cur_perm
 
        elif algo == 'lowerwin':
 
            if new_perm_val < cur_perm_val:
 
                return new_perm
 
            return cur_perm
 

	
 
    #======================================================================
 
    # fetch default permissions
 
    #======================================================================
 
    default_user = User.get_by_username('default', cache=True)
 
    default_user_id = default_user.user_id
 

	
 
    default_repo_perms = Permission.get_default_perms(default_user_id)
 
    default_repo_groups_perms = Permission.get_default_group_perms(default_user_id)
 
    default_user_group_perms = Permission.get_default_user_group_perms(default_user_id)
 

	
 
    if user_is_admin:
 
        #==================================================================
 
        # admin users have all rights;
 
        # based on default permissions, just set everything to admin
 
        #==================================================================
 
        permissions[GLOBAL].add('hg.admin')
 
        permissions[GLOBAL].add('hg.create.write_on_repogroup.true')
 

	
 
        # repositories
 
        for perm in default_repo_perms:
 
            r_k = perm.UserRepoToPerm.repository.repo_name
 
            p = 'repository.admin'
 
            permissions[RK][r_k] = p
 

	
 
        # repository groups
kallithea/lib/auth_modules/auth_internal.py
Show inline comments
 
@@ -41,66 +41,66 @@ class KallitheaAuthPlugin(auth_modules.K
 

	
 
    @hybrid_property
 
    def name(self):
 
        # Also found as kallithea.lib.model.db.User.DEFAULT_AUTH_TYPE
 
        return '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
 
        if not username:
 
            log.debug('Empty username - skipping...')
 
            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,
 
        }
 

	
 
        log.debug(formatted_json(user_data))
 
        if userobj.active:
 
            from kallithea.lib import auth
 
            password_match = auth.KallitheaCrypto.hash_check(password, userobj.password)
 
            password_match = auth.check_password(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
 

	
 
    def get_managed_fields(self):
 
        # Note: 'username' should only be editable (at least for user) if self registration is enabled
 
        return []
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