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Edit File: apps.py
"""passlib.apps""" #============================================================================= # imports #============================================================================= # core import logging; log = logging.getLogger(__name__) from itertools import chain # site # pkg from passlib import hash from passlib.context import LazyCryptContext from passlib.utils import sys_bits # local __all__ = [ 'custom_app_context', 'django_context', 'ldap_context', 'ldap_nocrypt_context', 'mysql_context', 'mysql4_context', 'mysql3_context', 'phpass_context', 'phpbb3_context', 'postgres_context', ] #============================================================================= # master containing all identifiable hashes #============================================================================= def _load_master_config(): from passlib.registry import list_crypt_handlers # get master list schemes = list_crypt_handlers() # exclude the ones we know have ambiguous or greedy identify() methods. excluded = [ # frequently confused for eachother 'bigcrypt', 'crypt16', # no good identifiers 'cisco_pix', 'cisco_type7', 'htdigest', 'mysql323', 'oracle10', # all have same size 'lmhash', 'msdcc', 'msdcc2', 'nthash', # plaintext handlers 'plaintext', 'ldap_plaintext', # disabled handlers 'django_disabled', 'unix_disabled', 'unix_fallback', ] for name in excluded: schemes.remove(name) # return config return dict(schemes=schemes, default="sha256_crypt") master_context = LazyCryptContext(onload=_load_master_config) #============================================================================= # for quickly bootstrapping new custom applications #============================================================================= custom_app_context = LazyCryptContext( # choose some reasonbly strong schemes schemes=["sha512_crypt", "sha256_crypt"], # set some useful global options default="sha256_crypt" if sys_bits < 64 else "sha512_crypt", # set a good starting point for rounds selection sha512_crypt__min_rounds = 535000, sha256_crypt__min_rounds = 535000, # if the admin user category is selected, make a much stronger hash, admin__sha512_crypt__min_rounds = 1024000, admin__sha256_crypt__min_rounds = 1024000, ) #============================================================================= # django #============================================================================= #----------------------------------------------------------------------- # 1.0 #----------------------------------------------------------------------- _django10_schemes = [ "django_salted_sha1", "django_salted_md5", "django_des_crypt", "hex_md5", "django_disabled", ] django10_context = LazyCryptContext( schemes=_django10_schemes, default="django_salted_sha1", deprecated=["hex_md5"], ) #----------------------------------------------------------------------- # 1.4 #----------------------------------------------------------------------- _django14_schemes = [ "django_pbkdf2_sha256", "django_pbkdf2_sha1", "django_bcrypt" ] + _django10_schemes django14_context = LazyCryptContext( schemes=_django14_schemes, deprecated=_django10_schemes, ) #----------------------------------------------------------------------- # 1.6 #----------------------------------------------------------------------- _django16_schemes = list(_django14_schemes) _django16_schemes.insert(1, "django_bcrypt_sha256") django16_context = LazyCryptContext( schemes=_django16_schemes, deprecated=_django10_schemes, ) #----------------------------------------------------------------------- # 1.10 #----------------------------------------------------------------------- _django_110_schemes = [ "django_pbkdf2_sha256", "django_pbkdf2_sha1", "django_argon2", "django_bcrypt", "django_bcrypt_sha256", "django_disabled", ] django110_context = LazyCryptContext(schemes=_django_110_schemes) #----------------------------------------------------------------------- # 2.1 #----------------------------------------------------------------------- _django21_schemes = list(_django_110_schemes) _django21_schemes.remove("django_bcrypt") django21_context = LazyCryptContext(schemes=_django21_schemes) #----------------------------------------------------------------------- # latest #----------------------------------------------------------------------- # this will always point to latest version in passlib django_context = django21_context #============================================================================= # ldap #============================================================================= #: standard ldap schemes std_ldap_schemes = [ "ldap_salted_sha512", "ldap_salted_sha256", "ldap_salted_sha1", "ldap_salted_md5", "ldap_sha1", "ldap_md5", "ldap_plaintext", ] # create context with all std ldap schemes EXCEPT crypt ldap_nocrypt_context = LazyCryptContext(std_ldap_schemes) # create context with all possible std ldap + ldap crypt schemes def _iter_ldap_crypt_schemes(): from passlib.utils import unix_crypt_schemes return ('ldap_' + name for name in unix_crypt_schemes) def _iter_ldap_schemes(): """helper which iterates over supported std ldap schemes""" return chain(std_ldap_schemes, _iter_ldap_crypt_schemes()) ldap_context = LazyCryptContext(_iter_ldap_schemes()) ### create context with all std ldap schemes + crypt schemes for localhost ##def _iter_host_ldap_schemes(): ## "helper which iterates over supported std ldap schemes" ## from passlib.handlers.ldap_digests import get_host_ldap_crypt_schemes ## return chain(std_ldap_schemes, get_host_ldap_crypt_schemes()) ##ldap_host_context = LazyCryptContext(_iter_host_ldap_schemes()) #============================================================================= # mysql #============================================================================= mysql3_context = LazyCryptContext(["mysql323"]) mysql4_context = LazyCryptContext(["mysql41", "mysql323"], deprecated="mysql323") mysql_context = mysql4_context # tracks latest mysql version supported #============================================================================= # postgres #============================================================================= postgres_context = LazyCryptContext(["postgres_md5"]) #============================================================================= # phpass & variants #============================================================================= def _create_phpass_policy(**kwds): """helper to choose default alg based on bcrypt availability""" kwds['default'] = 'bcrypt' if hash.bcrypt.has_backend() else 'phpass' return kwds phpass_context = LazyCryptContext( schemes=["bcrypt", "phpass", "bsdi_crypt"], onload=_create_phpass_policy, ) phpbb3_context = LazyCryptContext(["phpass"], phpass__ident="H") # TODO: support the drupal phpass variants (see phpass homepage) #============================================================================= # roundup #============================================================================= _std_roundup_schemes = [ "ldap_hex_sha1", "ldap_hex_md5", "ldap_des_crypt", "roundup_plaintext" ] roundup10_context = LazyCryptContext(_std_roundup_schemes) # NOTE: 'roundup15' really applies to roundup 1.4.17+ roundup_context = roundup15_context = LazyCryptContext( schemes=_std_roundup_schemes + [ "ldap_pbkdf2_sha1" ], deprecated=_std_roundup_schemes, default = "ldap_pbkdf2_sha1", ldap_pbkdf2_sha1__default_rounds = 10000, ) #============================================================================= # eof #=============================================================================