0.6
  #   ˆl–ßi~”jj"T% õÆY¸Ð”Å£Ãƒx;Â¿Æ ƒ    """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_sh