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have to do this after _init_options(), since the default scheme
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RT P RT: 24 hh Rp?ii ; i)�relaxedTz&.* unexpected keyword argument '(.*)'$zkeyword not supported by z
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� � V P W4 w r4V P W4 w rVV' d RVR& V' d RpW43# )a9 return composite dict of options for given scheme + category.
this is currently a private method, though some variant
of its output may eventually be made public.
given a scheme & category, it returns two things:
a set of all the keyword options to pass to :meth:`_create_record`,
and a bool flag indicating whether any of these options
were specific to the named category. if this flag is false,
the options are identical to the options for the default category.
the options dict includes all the scheme-specific settings,
as well as optional *deprecated* keyword.
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not_inheriteds &&& r r� �*_CryptConfig._get_record_options_with_flag� sJ � � !%� A� A�&� S� �� $� ;� ;�F� M� �� �!%�D� � � � "�O��$�$r c
� � V P W3, # \ d Mi ; iTe$ \ T\ 4 ' g \ TRR4 hTe$ \ T\ 4 ' g \ TRR4 hT' g? T P T4 pT' g Q hT P
Y24 ;q@P RT3& T# T' d0 T P pYQR3, ;qEY3& T# \ d Mi ; i\ RT: 24 h)z5return record for specific scheme & category (cached)Nz str or Nonerx rL z%crypt algorithm not found in policy: )r� rG rC r r r� �
get_record)r> rL rx rl �record�caches &&& r r� �_CryptConfig.get_record s � � ��=�=��!1�2� 2��� � � �� � �
�8�S�(A�(A�#�H�m�Z�H� H� � �j���&=�&=�#�F�M�8�D� D� ��)�)�(�3�G��N�7�59�_�_�W�5W� W�F�]�]�4��>�2��M� �
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�� � V P V, # \ d Mi ; iT P Uu. uF q P Y!4 NK Mu upi up;q0P T& T# )zhreturn list of records for category (cached)
this is an internal helper used only by identify_record()
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� 6� ���|�|�|��:�;� ;��"�"�#A�B�Br c �t � V P R 4 F pVP ' g K Vu # \ R4 h)NzLno disabled hasher present (perhaps add 'unix_disabled' to list of schemes?))r� � is_disabled� RuntimeError)r> r� s & r �disabled_record� _CryptConfig.disabled_recordR s= � ��+�+�D�1�F��!�!�!� �
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4 F pWyV3W�, 3x � K K5 K� R# \ d K� i ; i \ d K] i ; i5i)ar regenerate original config.
this is an iterator which yields ``(cat,scheme,option),value`` items,
in the order they generally appear inside an INI file.
if interpreted as a dictionary, it should match the original
keywords passed to the CryptContext (aside from any canonization).
it's mainly used as the internal backend for most of the public
serialization methods.
r8 Nr7 r� )
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r8 ro r[ rC rG ) r> �resolver^ r_ � scheme_keys� context_keysr r` ra rL r� s && r � iter_config�_CryptConfig.iter_config\ s0 � � � �-�-�� �/�/�� �^�,� � �o�.� � � � $� � � � � *�!(��
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r8 r[ r� r� r� r� r@ r9 r; rP rQ rt rz r} r� � staticmethodr� r� r< r� r� r= r� r� r� r� r� r r� r� �__static_attributes__r r r r5 r5 G s� � �� �O� �� �H� �G� �J� �L� �� �H� �M� � &�>K4�Z � �J 35� 8� �, ?A� �9� � � � �&%�P,�\ � �&U�, �� ��0%�6%K�N�"C�. �
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�-<� -<r r5 c �6 � ] tR tRtRtRtRtRt]R 4 t ]R6R l4 t
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t]R 4 tR8R ltR8R
lt]R 4 tR tR9R ltR:R ltR;R ltR t]R 4 t]R 4 t ]R 4 t R<R lt R R lt R=R R llt R>R lt!R t"R?R lt#]$! R R R!R"7 R>R# l4 t%]$! R$R R%7 R>R& l4 t&]$! R$R R%7 R>R' l4 t'R@R( lt(R>R) lt)]$! R$R R*R"7 R+ 4 t*R>R, lt+R>R- lt,R.t-].R/ 4 t/R0 t0R1 t1R2 t2RAR3 lt3R4 t4R5t5R# )Br i� a Helper for hashing & verifying passwords using multiple algorithms.
Instances of this class allow applications to choose a specific
set of hash algorithms which they wish to support, set limits and defaults
for the rounds and salt sizes those algorithms should use, flag
which algorithms should be deprecated, and automatically handle
migrating users to stronger hashes when they log in.
Basic usage::
>>> ctx = CryptContext(schemes=[...])
See the Passlib online documentation for details and full documentation.
Nc
� � \ V\ 4 ' d V ! R/ VB # \ W4 ' d V# V ! 4 pVP V4 V# )z2internal helper - accepts string, dict, or contextr )rC �dict�load)�clsr? r> s && r � _norm_source�CryptContext._norm_source� sE � � �f�d� #� #��=��=� � �f� "� "��M��u�� � � �&��� r c
� � \ V\ 4 ' g \ VRR4 hV ! RR7 pVP WVR7 V# )a create new CryptContext instance from an INI-formatted string.
:type source: str or bytes
:arg source:
string containing INI-formatted content.
:type section: str
:param section:
option name of section to read from, defaults to ``"passlib"``.
:type encoding: str
:arg encoding:
optional encoding used when source is bytes, defaults to ``"utf-8"``.
:returns:
new :class:`CryptContext` instance, configured based on the
parameters in the *source* string.
Usage example::
>>> from passlib.context import CryptContext
>>> context = CryptContext.from_string('''
... [passlib]
... schemes = sha256_crypt, des_crypt
... sha256_crypt__default_rounds = 30000
... ''')
.. versionadded:: 1.6
.. seealso:: :meth:`to_string`, the inverse of this constructor.
z str or bytesr? F�� _autoload��section�encoding)rC r r r� )r� r? r� r� r> s &&&& r � from_string�CryptContext.from_string� sA � �B �&�"2�3�3�#�F�N�H�E� E��U�#�� � � �&�H� �=�� r c
�> � V ! RR7 pVP WVR7 V# )a} create new CryptContext instance from an INI-formatted file.
this functions exactly the same as :meth:`from_string`,
except that it loads from a local file.
:type path: str
:arg path:
path to local file containing INI-formatted config.
:type section: str
:param section:
option name of section to read from, defaults to ``"passlib"``.
:type encoding: str
:arg encoding:
encoding used to load file, defaults to ``"utf-8"``.
:returns:
new CryptContext instance, configured based on the parameters
stored in the file *path*.
.. versionadded:: 1.6
.. seealso:: :meth:`from_string` for an equivalent usage example.
Fr� r� )� load_path)r� �pathr� r� r> s &&&& r � from_path�CryptContext.from_path� s# � �6 �U�#�� ���t�x��@�� r c
�v � \ RR7 pVP V 4 V' d VP VRR7 V# )ay Return copy of existing CryptContext instance.
This function returns a new CryptContext instance whose configuration
is exactly the same as the original, with the exception that any keywords
passed in will take precedence over the original settings.
As an example::
>>> from passlib.context import CryptContext
>>> # given an existing context...
>>> ctx1 = CryptContext(["sha256_crypt", "md5_crypt"])
>>> # copy can be used to make a clone, and update
>>> # some of the settings at the same time...
>>> ctx2 = custom_app_context.copy(default="md5_crypt")
>>> # and the original will be unaffected by the change
>>> ctx1.default_scheme()
"sha256_crypt"
>>> ctx2.default_scheme()
"md5_crypt"
.. versionadded:: 1.6
This method was previously named :meth:`!replace`. That alias
was removed in Passlib 1.8.
.. seealso:: :meth:`update`
Fr� T�r� )r r� )r> r� r� s &, r r� �CryptContext.copy s3 � �@ �u�-��
�
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�& � V P ! R/ VB # )z7
alias for :meth:`copy`, to match PasswordHash.using()
r )r� )r> r� s &,r r� �CryptContext.using' s � � �y�y� �4� � r c �j � Ve WR& V' d V P V4 R # V' d Q R4 hR # )Nr8 z/_autoload=False and kwds are mutually exclusive)r� )r> r8 r� r� s &&&,r r@ �CryptContext.__init__- s/ � � � � %��O� � �I�I�d�O�� N� N� N�8�tr c �" � R \ V 4 R
R2# )z<CryptContext at 0x�0x�>)�id�r> s &r �__repr__�CryptContext.__repr__B s � �$�R��X�b�M��3�3r c
�l � \ 4 pVP W4 \ VP V4 4 # )z<helper read INI from stream, extract passlib section as dict)r � read_filer� rU )�streamr� �filename�ps &&& r �_parse_ini_stream� CryptContext._parse_ini_streamE s- � �
�N�� � � �F�%� �A�G�G�G�$�%�%r c
� � \ WR7 ;_uu_ 4 pV P WSV4 pRRR4 V P XVR7 # + ' g i L#; i)aM Load new configuration into CryptContext from a local file.
This function is a wrapper for :meth:`load` which
loads a configuration string from the local file *path*,
instead of an in-memory source. Its behavior and options
are otherwise identical to :meth:`!load` when provided with
an INI-formatted string.
.. versionadded:: 1.6
)r� Nr� )�openr r� )r> r� r� r� r� r r� s &&&&& r r� �CryptContext.load_pathP sD � � �$�
*�
*�f��)�)�&�4�@�D� +��y�y��f�y�-�-� +�
*�s �A� A c
�X a� Rp\ V\ 4 ' d+ \ WRR7 pV P \ V4 VR4 pM]\ V\
4 ' d) \
VP P RR7 4 pRpM \ VR4 ' g \ VRR4 hV' d0 V P o\
V3R lVP 4 4 4 pV' dQ V P eC V' g R
# Tp\
V P P RR7 4 pVP V4 \ V4 pWpn V P 4 VP V n VP$ V n VP( ' d V P* P- R R
4 R
# R
V n R
# ) a� Load new configuration into CryptContext, replacing existing config.
:arg source:
source of new configuration to load.
this value can be a number of different types:
* a :class:`!dict` object, or compatible Mapping
the key/value pairs will be interpreted the same
keywords for the :class:`CryptContext` class constructor.
* a :class:`!str` or :class:`!bytes` string
this will be interpreted as an INI-formatted file,
and appropriate key/value pairs will be loaded from
the specified *section*.
* another :class:`!CryptContext` object.
this will export a snapshot of its configuration
using :meth:`to_dict`.
:type update: bool
:param update:
By default, :meth:`load` will replace the existing configuration
entirely. If ``update=True``, it will preserve any existing
configuration options that are not overridden by the new source,
much like the :meth:`update` method.
:type section: str
:param section:
When parsing an INI-formatted string, :meth:`load` will look for
a section named ``"passlib"``. This option allows an alternate
section name to be used. Ignored when loading from a dictionary.
:type encoding: str
:param encoding:
Encoding to use when **source** is bytes.
Defaults to ``"utf-8"``. Ignored when loading from a dictionary.
.. deprecated:: 1.8
This keyword, and support for bytes input, will be dropped in Passlib 2.0
:raises TypeError:
* If the source cannot be identified.
* If an unknown / malformed keyword is encountered.
:raises ValueError:
If an invalid keyword value is encountered.
.. note::
If an error occurs during a :meth:`!load` call, the :class:`!CryptContext`
instance will be restored to the configuration it was in before
the :meth:`!load` call was made; this is to ensure it is
*never* left in an inconsistent state due to a load error.
.. versionadded:: 1.6
Tr? )�paramz&<string passed to CryptContext.load()>)r� FrU zstring or dictc 3 �< <" � T F w rS! V4 V3x � K R # 5ir� r )�.0ra r �parses & �r � <genexpr>�$CryptContext.load.<locals>.<genexpr>� s �� � �O��*�#�5��:�u�-��� � N�_strip_unused_context_kwds)rC r r r r r r� �_configr� rD r �_parse_config_keyrU r� r5 �_reset_dummy_verifyr� � _get_recordr� �_identify_recordr� �__dict__r� r ) r> r? r� r� r� �
parse_keys�tmp�configr s &&&&& @r r� �CryptContext.load_ sX �� �@ �
� �f� .� /� /� ���A�F��+�+��� �'�+S��F� �� �
-�
-��&�.�.�4�4�T�4�B�C�F� �J����)�)�#�F�,<�h�G� G� ��*�*�E��O�� � ��O�O�F� �d�l�l�.����C��$�,�,�2�2�4�2�@�A�F� �M�M�#� �
�f�%�� � � � � �"�!�,�,��� &� 6� 6�� � � � � � �M�M� � � :�D� A� /3�D� +r c
�� � \ V \ 4 ' g Q hV P RR4 P R4 p\ V4 pV^8X d RRV^ , rTpM*V^8X d RpVw rEM V^8X d Vw r4pM\ RV : 24 hVR8X d RpMV' g Ve \ RV : 24 hVR8X d RpMV' g Ve \ RV : 24 hV' g \ R V : 24 hW4V3# )
z>helper used to parse ``cat__scheme__option`` keys into a tuple�.�__Nz'keys must have less than 3 separators: rl zempty category: �contextzempty scheme: zempty option: )rC r �replace�splitrp rE )�ckey�parts�countr` rL ra s & r r � CryptContext._parse_config_key� s� � � �$��$�$�$�$�� � �S�$�'�-�-�d�3���E�
�� �A�:� #�T�5��8��C��
�a�Z��C� �K�F�C�
�a�Z� $� �C��� E�d�X� N�O� O� �)� ��C��� �� .�t�h� 7�8� 8� �Y� ��F��F� .��n�T�H� 5�6� 6���n�T�H� 5�6� 6��C� � r c
�� � V' dK \ V4 ^8� d \ R4 hV' d \ R4 hV P V^ , RR7 R# V' d V P VRR7 R# R# )ap Helper for quickly changing configuration.
This acts much like the :meth:`!dict.update` method:
it updates the context's configuration,
replacing the original value(s) for the specified keys,
and preserving the rest.
It accepts any :ref:`keyword <context-options>`
accepted by the :class:`!CryptContext` constructor.
.. versionadded:: 1.6
.. seealso:: :meth:`copy`
z(expected at most one positional argumentz.positional arg and keywords mutually exclusiveTr� N)rp rE r� �r> �argsr� s &*,r r� �CryptContext.update� sY � � ��4�y�1�}� � J�K�K�� � P�Q�Q� �I�I�d�1�g�d�I� +�
� �I�I�d�4�I� (� r c
� a aa� S P P pV' d7 \ ;QJ d . VV V3R lV 4 F NK 5# ! VV V3R lV 4 4 # V# )a� return schemes loaded into this CryptContext instance.
:type resolve: bool
:arg resolve:
if ``True``, will return a tuple of :class:`~passlib.ifc.PasswordHash`
objects instead of their names.
:returns:
returns tuple of the schemes configured for this context
via the *schemes* option.
.. versionadded:: 1.6
This was previously available as ``CryptContext().policy.schemes()``
.. seealso:: the :ref:`schemes <context-schemes-option>` option for usage example.
c 3 �L <" � T F pSP VSSR 7 x � K R# 5i)�� unconfiguredNr0 )r rL rx r> r8 s & ���r r �'CryptContext.schemes.<locals>.<genexpr>E s* �� � � � %�F� � � �V�X�L� �I�I� %�s �!$)r r8 rI )r> r� rx r8 r8 s f&ff r r8 �CryptContext.schemes, sP �� �. �,�,�&�&�� ��5� � %��5�
�5� � %�� �
� �r c
�T � V P RWR7 pV' d V# VP # )a� return name of scheme that :meth:`hash` will use by default.
:type resolve: bool
:arg resolve:
if ``True``, will return a :class:`~passlib.ifc.PasswordHash`
object instead of the name.
:type category: str or None
:param category:
Optional :ref:`user category <user-categories>`.
If specified, this will return the catgory-specific default scheme instead.
:returns:
name of the default scheme.
.. seealso:: the :ref:`default <context-default-option>` option for usage example.
.. versionadded:: 1.6
.. versionchanged:: 1.7
This now returns a hasher configured with any CryptContext-specific
options (custom rounds settings, etc). Previously this returned
the base hasher from :mod:`passlib.hash`.
Nr7 )r1 r/ )r> rx r� r8 �hashers &&&& r r� �CryptContext.default_schemeK s' � �< � � �d�H� �H�� �v�1�f�k�k�1r c
�� � V P W4 pV' d
VP # V# \ d Mi ; iT P P ' d \ RT: 24 h\ R4 h)a helper to resolve name of scheme -> :class:`~passlib.ifc.PasswordHash` object used by scheme.
:arg scheme:
This should identify the scheme to lookup.
If omitted or set to ``None``, this will return the handler
for the default scheme.
:arg category:
If a user category is specified, and no scheme is provided,
it will use the default for that category.
Otherwise this parameter is ignored.
:param unconfigured:
By default, this returns a handler object whose .hash()
and .needs_update() methods will honor the configured
provided by CryptContext. See ``unconfigured=True``
to get the underlying handler from before any context-specific
configuration was applied.
:raises KeyError:
If the scheme does not exist OR is not being used within this context.
:returns:
:class:`~passlib.ifc.PasswordHash` object used to implement
the named scheme within this context (this will usually
be one of the objects from :mod:`passlib.hash`)
.. versionadded:: 1.6
This was previously available as ``CryptContext().policy.get_handler()``
.. versionchanged:: 1.7
This now returns a hasher configured with any CryptContext-specific
options (custom rounds settings, etc). Previously this returned
the base hasher from :mod:`passlib.hash`.
z9crypt algorithm not found in this CryptContext instance: z8no crypt algorithms loaded in this CryptContext instance)r r� rG r r
)r> rL rx r8 r< s &&&& r r1 �CryptContext.handler| ss � �L ��%�%�f�7�F�� �4�4�4��M��� � � �� �<�<� � � ��K�F�:�V��
� �Q�R�Rs �$) �) � 7�7c
� � \ ;QJ d( . R V P P 4 F NK 5# ! R V P P 4 4 # )zCcheck if any handlers in this context aren't in the global registryc 3 �L " � T F p\ V4 ' d K Vx � K R # 5ir� )r2 �r r1 s & r r �:CryptContext._get_unregistered_handlers.<locals>.<genexpr>� s! � � �
�0��)�'�2�
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r s &r �_get_unregistered_handlers�'CryptContext._get_unregistered_handlers� sH � ��u�
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�. � V P P # )z�
return :class:`!set` containing union of all :ref:`contextual keywords <context-keywords>`
supported by the handlers in this context.
.. versionadded:: 1.6.6
)r r� r s &r r� �CryptContext.context_kwds� s � � �|�|�(�(�(r c
�v � V w rpV' d RP Y;' g RV4 # V' d V RV 2# V# )z*convert 3-part config key to single stringz
{}__{}__{}r* r) )r )ra r` rL �options & r �_render_config_key� CryptContext._render_config_key� sE � � "���V� � �&�&�s�,?�,?�i��H� H� � �X�R��x�(� (��
r c
� � \ V\ \ 34 ' d RP V4 pMc\ V\ 4 ' dN \ V\
4 ' d- V ^, R8X d V' d VR
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R4 MRpM \ V4 p\ V\ 4 ' g Q RV : RV: 24 hVP RR4 # ) z,render value to string suitable for INI file�, r, z.2f�0zexpected string for key: � r! z%%) rC ro rI �joinr r# r$ r r+ )ra r s &&r �_render_ini_value� CryptContext._render_ini_value� s� � �
�e�d�E�]� +� +��I�I�e�$�E� ��}�
-�
-��%��'�'�C��F�m�,C�8=�E�#�;�/�/��4�3���E�
���%��%�%�T�)B�3�'��5�)�'T�T�%� �}�}�S�$�'�'r c
�x a� V P o\ V3R lV P P V4 4 4 # )a� Return current configuration as a dictionary.
:type resolve: bool
:arg resolve:
if ``True``, the ``schemes`` key will contain a list of
a :class:`~passlib.ifc.PasswordHash` objects instead of just
their names.
This method dumps the current configuration of the CryptContext
instance. The key/value pairs should be in the format accepted
by the :class:`!CryptContext` class constructor, in fact
``CryptContext(**myctx.to_dict())`` will create an exact copy of ``myctx``.
As an example::
>>> # you can dump the configuration of any crypt context...
>>> from passlib.apps import ldap_nocrypt_context
>>> ldap_nocrypt_context.to_dict()
{'schemes': ['ldap_salted_sha1',
'ldap_salted_md5',
'ldap_sha1',
'ldap_md5',
'ldap_plaintext']}
.. versionadded:: 1.6
This was previously available as ``CryptContext().policy.to_dict()``
.. seealso:: the :ref:`context-serialization-example` example in the tutorial.
c 3 �< <" � T F w rS! V4 V3x � K R # 5ir� r )r ra r �
render_keys & �r r �'CryptContext.to_dict.<locals>.<genexpr>� s �� � �
�7X���Z��_�e� $�7X�r )rJ r� r r� )r> r� rU s &&@r �to_dict�CryptContext.to_dict� s: �� �> �,�,�
��
�7;�|�|�7O�7O�PW�7X�
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�
r c �$ � V ^8� d QhRRRRRR/# )r �parserr r� r r �Noner )r s "r r �CryptContext.__annotate__ s! � � � �|� �c� �d� r c
�� � VP V4 V P P 4 F7 w r4VP VV P V4 V P W44 R7 K9 R# )z(helper to write to ConfigParser instance)r� rI r N)� add_sectionr r� rT rJ rQ )r> rZ r� ra r s &&& r �_write_to_parser� CryptContext._write_to_parser sY � ����7�#� �,�,�2�2�4�J�C� �J�J� ��.�.�s�3��,�,�S�8�
�
� 5r c � � V ^8� d QhRR/# )r r r r )r s "r r r\
s � � & � & �c� & r c
�* � \ 4 pV P W!4 \ 4 pVP V4 V P 4 pV' d7 VP RP RP
R V 4 4 4 4 VP 4 # )a� serialize to INI format and return as unicode string.
:param section:
name of INI section to output, defaults to ``"passlib"``.
:returns:
CryptContext configuration, serialized to a INI unicode string.
This function acts exactly like :meth:`to_dict`, except that it
serializes all the contents into a single human-readable string,
which can be hand edited, and/or stored in a file. The
output of this method is accepted by :meth:`from_string`,
:meth:`from_path`, and :meth:`load`. As an example::
>>> # you can dump the configuration of any crypt context...
>>> from passlib.apps import ldap_nocrypt_context
>>> print ldap_nocrypt_context.to_string()
[passlib]
schemes = ldap_salted_sha1, ldap_salted_md5, ldap_sha1, ldap_md5, ldap_plaintext
.. versionadded:: 1.6
This was previously available as ``CryptContext().policy.to_string()``
.. seealso:: the :ref:`context-serialization-example` example in the tutorial.
z�# NOTE: the {} handler(s) are not registered with Passlib,
# this string may not correctly reproduce the current configuration.
rM c 3 �L " � T F p\ VP 4 x � K R # 5ir� )�reprr/ rB s & r r �)CryptContext.to_string.<locals>.<genexpr>1 s � � �"R�\�'�4�� � �#5�#5�\�s �"$)r r_ r �writerD r rP �getvalue)r> r� rZ �buf� unregistereds && r � to_string�CryptContext.to_string
sv � �4 � �� � � �f�.��j��� � �S���6�6�8� � � �I�I�_��&����"R�\�"R�R�S�
� �|�|�~� r c
� � V' d4 \ V\ 4 ' g
\ VR4 hV P W#4 # V P W4 # )zCreturn record based on scheme, or failing that, by identifying hashr� )rC r r r r! �r> r� rL rx s &&&&r �_get_or_identify_record�$CryptContext._get_or_identify_recordO sB � � � �d�$4�5�5�)�$��7�7��#�#�F�5� 5��$�$�T�4�4r c
� � V' g R# V P P P VP 4 pV F pVP VR4 K R# )a.
helper which removes any context keywords from **kwds**
that are known to be used by another scheme in this context,
but are NOT supported by handler specified by **record**.
.. note::
as optimization, load() will set this method to None on a per-instance basis
if there are no context kwds.
N)r r� r� r� )r> r� r� � unused_kwdsra s &&& r r �'CryptContext._strip_unused_context_kwdsX sB � � � ��l�l�/�/�:�:�6�;N�;N�O� � �C� �H�H�S�$� � r c
� � Ve \ R\ 4 V P WV4 pVP ;' g VP WR7 # )a6 Check if hash needs to be replaced for some reason,
in which case the secret should be re-hashed.
This function is the core of CryptContext's support for hash migration:
This function takes in a hash string, and checks the scheme,
number of rounds, and other properties against the current policy.
It returns ``True`` if the hash is using a deprecated scheme,
or is otherwise outside of the bounds specified by the policy
(e.g. the number of rounds is lower than :ref:`min_rounds <context-min-rounds-option>`
configuration for that algorithm).
If so, the password should be re-hashed using :meth:`hash`
Otherwise, it will return ``False``.
:type hash: str or bytes
:arg hash:
The hash string to examine.
:type scheme: str or None
:param scheme:
Optional scheme to use. Scheme must be one of the ones
configured for this context (see the
:ref:`schemes <context-schemes-option>` option).
If no scheme is specified, it will be identified
based on the value of *hash*.
.. deprecated:: 1.7
Support for this keyword is deprecated, and will be removed in Passlib 2.0.
:type category: str or None
:param category:
Optional :ref:`user category <user-categories>`.
If specified, this will cause any category-specific defaults to
be used when determining if the hash needs to be updated
(e.g. is below the minimum rounds).
:type secret: str, bytes, or None
:param secret:
Optional secret associated with the provided ``hash``.
This is not required, or even currently used for anything...
it's for forward-compatibility with any future
update checks that might need this information.
If provided, Passlib assumes the secret has already been
verified successfully against the hash.
.. versionadded:: 1.6
:returns: ``True`` if hash should be replaced, otherwise ``False``.
:raises ValueError:
If the hash did not match any of the configured :meth:`schemes`.
.. versionadded:: 1.6
This method was previously named :meth:`hash_needs_update`.
.. seealso:: the :ref:`context-migration-example` example in the tutorial.
zqCryptContext.needs_update(): 'scheme' keyword is deprecated as of Passlib 1.7, and will be removed in Passlib 2.0��secret)r rX rn rm � needs_update)r> r� rL rx ru r� s &&&&& r rv �CryptContext.needs_updateh sT � �v � �
�B�"�
�
�-�-�d�H�E��� � �L�L�F�$7�$7��$7�$L�Lr z1.6z2.0zCryptContext.needs_update())rm �removed� replacementc
�& � V P WV4 # )z�Legacy alias for :meth:`needs_update`.
.. deprecated:: 1.6
This method was renamed to :meth:`!needs_update` in version 1.6.
This alias will be removed in version 2.0, and should only
be used for compatibility with Passlib 1.3 - 1.5.
)rv rm s &&&&r �hash_needs_update� CryptContext.hash_needs_update� s � � � � ��x�8�8r z1.7)rm rx c
� � V P W4 pV P pV' d V! W44 VP ! R/ VB # )z�Generate a config string for specified scheme.
.. deprecated:: 1.7
This method will be removed in version 2.0, and should only
be used for compatibility with Passlib 1.3 - 1.6.
r )r r � genconfig)r> rL rx r� r� � strip_unuseds &&&, r r~ �CryptContext.genconfig� s> � � �!�!�&�3���6�6� � � �� *�� � �+�(�+�+r c
� � V P W#V4 pV P pV' d V! WV4 VP ! W3/ VB # )z�Generate hash for the specified secret using another hash.
.. deprecated:: 1.7
This method will be removed in version 2.0, and should only
be used for compatibility with Passlib 1.3 - 1.6.
)rn r �genhash)r> ru r% rL rx r� r� r s &&&&&, r r� �CryptContext.genhash� s@ � � �-�-�f�h�G���6�6� � � �� &��~�~�f�5��5�5r c
� � V P WV4 pVf R# V' d V' d
VP # V# VP # )a� Attempt to identify which algorithm the hash belongs to.
Note that this will only consider the algorithms
currently configured for this context
(see the :ref:`schemes <context-schemes-option>` option).
All registered algorithms will be checked, from first to last,
and whichever one positively identifies the hash first will be returned.
:type hash: str or bytes
:arg hash:
The hash string to test.
:type category: str or None
:param category:
Optional :ref:`user category <user-categories>`.
Ignored by this function, this parameter
is provided for symmetry with the other methods.
:type resolve: bool
:param resolve:
If ``True``, returns the hash handler itself,
instead of the name of the hash.
:type required: bool
:param required:
If ``True``, this will raise a ValueError if the hash
cannot be identified, instead of returning ``None``.
:returns:
The handler which first identifies the hash,
or ``None`` if none of the algorithms identify the hash.
N)r! r� r/ )r> r� rx r� r� r8 r� s &&&&&& r r� �CryptContext.identify� s@ � �F �&�&�t�x�@�� �>�� �� �4�4�4��M��{�{�r c
� � Ve \ R\ 4 V P W#4 pV P pV' d V! WE4 VP ! V3/ VB # )af run secret through selected algorithm, returning resulting hash.
:type secret: str or bytes
:arg secret:
the password to hash.
:type scheme: str or None
:param scheme:
Optional scheme to use. Scheme must be one of the ones
configured for this context (see the
:ref:`schemes <context-schemes-option>` option).
If no scheme is specified, the configured default
will be used.
.. deprecated:: 1.7
Support for this keyword is deprecated, and will be removed in Passlib 2.0.
:type category: str or None
:param category:
Optional :ref:`user category <user-categories>`.
If specified, this will cause any category-specific defaults to
be used when hashing the password (e.g. different default scheme,
different default rounds values, etc).
:param \*\*kwds:
All other keyword options are passed to the selected algorithm's
:meth:`PasswordHash.hash() <passlib.ifc.PasswordHash.hash>` method.
:returns:
The secret as encoded by the specified algorithm and options.
The return value will always be a :class:`!str`.
:raises TypeError, ValueError:
* If any of the arguments have an invalid type or value.
This includes any keywords passed to the underlying hash's
:meth:`PasswordHash.hash() <passlib.ifc.PasswordHash.hash>` method.
.. seealso:: the :ref:`context-basic-example` example in the tutorial
ziCryptContext.hash(): 'scheme' keyword is deprecated as of Passlib 1.7, and will be removed in Passlib 2.0)r rX r r r� )r> ru rL rx r� r� r s &&&&, r r� �CryptContext.hash sZ � �V � �
�B�"�
�
�!�!�&�3���6�6� � � �� &��{�{�6�*�T�*�*r zCryptContext.hash()c
�& � V P ! V/ VB # )z�
Legacy alias for :meth:`hash`.
.. deprecated:: 1.7
This method was renamed to :meth:`!hash` in version 1.7.
This alias will be removed in version 2.0, and should only
be used for compatibility with Passlib 1.3 - 1.6.
)r� r2 s &*,r �encrypt�CryptContext.encrypt@ s � � �y�y�$�'�$�'�'r c
�� � Ve \ R\ 4 Vf V P 4 R# V P W#V4 pV P pV' d V! WV4 VP
! W3/ VB # )a� verify secret against an existing hash.
If no scheme is specified, this will attempt to identify
the scheme based on the contents of the provided hash
(limited to the schemes configured for this context).
It will then check whether the password verifies against the hash.
:type secret: str or bytes
:arg secret:
the secret to verify
:type hash: str or bytes
:arg hash:
hash string to compare to
if ``None`` is passed in, this will be treated as "never verifying"
:type scheme: str
:param scheme:
Optionally force context to use specific scheme.
This is usually not needed, as most hashes can be unambiguously
identified. Scheme must be one of the ones configured
for this context
(see the :ref:`schemes <context-schemes-option>` option).
.. deprecated:: 1.7
Support for this keyword is deprecated, and will be removed in Passlib 2.0.
:type category: str or None
:param category:
Optional :ref:`user category <user-categories>` string.
This is mainly used when generating new hashes, it has little
effect when verifying; this keyword is mainly provided for symmetry.
:param \*\*kwds:
All additional keywords are passed to the appropriate handler,
and should match its :attr:`~passlib.ifc.PasswordHash.context_kwds`.
:returns:
``True`` if the password matched the hash, else ``False``.
:raises ValueError:
* if the hash did not match any of the configured :meth:`schemes`.
* if any of the arguments have an invalid value (this includes
any keywords passed to the underlying hash's
:meth:`PasswordHash.verify() <passlib.ifc.PasswordHash.verify>` method).
:raises TypeError:
* if any of the arguments have an invalid type (this includes
any keywords passed to the underlying hash's
:meth:`PasswordHash.verify() <passlib.ifc.PasswordHash.verify>` method).
.. seealso:: the :ref:`context-basic-example` example in the tutorial
�kCryptContext.verify(): 'scheme' keyword is deprecated as of Passlib 1.7, and will be removed in Passlib 2.0F)r rX � dummy_verifyrn r �verify)r> ru r� rL rx r� r� r s &&&&&, r r� �CryptContext.verifyN sr � �v � �
�B�"�
�
�<�
� � � ���-�-�d�H�E���6�6� � � �� &��}�}�V�2�T�2�2r c
� � Ve \ R\ 4 Vf V P 4 R# V P W#V4 pV P pV' d" V' d VP 4 pV! W�4 MTpVP ! W3/ VB ' g R# VP ' g VP W!R7 ' d RV P ! V3RV/VB 3# R# )aX verify password and re-hash the password if needed, all in a single call.
This is a convenience method which takes care of all the following:
first it verifies the password (:meth:`~CryptContext.verify`), if this is successfull
it checks if the hash needs updating (:meth:`~CryptContext.needs_update`), and if so,
re-hashes the password (:meth:`~CryptContext.hash`), returning the replacement hash.
This series of steps is a very common task for applications
which wish to update deprecated hashes, and this call takes
care of all 3 steps efficiently.
:type secret: str or bytes
:arg secret:
the secret to verify
:type secret: str or bytes
:arg hash:
hash string to compare to.
if ``None`` is passed in, this will be treated as "never verifying"
:type scheme: str
:param scheme:
Optionally force context to use specific scheme.
This is usually not needed, as most hashes can be unambiguously
identified. Scheme must be one of the ones configured
for this context
(see the :ref:`schemes <context-schemes-option>` option).
.. deprecated:: 1.7
Support for this keyword is deprecated, and will be removed in Passlib 2.0.
:type category: str or None
:param category:
Optional :ref:`user category <user-categories>`.
If specified, this will cause any category-specific defaults to
be used if the password has to be re-hashed.
:param \*\*kwds:
all additional keywords are passed to the appropriate handler,
and should match that hash's
:attr:`PasswordHash.context_kwds <passlib.ifc.PasswordHash.context_kwds>`.
:returns:
This function returns a tuple containing two elements:
``(verified, replacement_hash)``. The first is a boolean
flag indicating whether the password verified,
and the second an optional replacement hash.
The tuple will always match one of the following 3 cases:
* ``(False, None)`` indicates the secret failed to verify.
* ``(True, None)`` indicates the secret verified correctly,
and the hash does not need updating.
* ``(True, str)`` indicates the secret verified correctly,
but the current hash needs to be updated. The :class:`!str`
will be the freshly generated hash, to replace the old one.
:raises TypeError, ValueError:
For the same reasons as :meth:`verify`.
.. seealso:: the :ref:`context-migration-example` example in the tutorial.
r� rt Trx )FN)TN)
r rX r� rn r r� r� rm rv r� ) r> ru r� rL rx r� r� r �
clean_kwdss &&&&&, r �verify_and_update� CryptContext.verify_and_update� s� � �@ � � �B�"�
�
�<�
� � � � � ��-�-�d�H�E���6�6� � �D� ����J� �� ,� �J�
�}�}�V�8�Z�8�8� � � � � � �� 3� 3�D� 3� H� H�����6�E�H�E��E�E� E��r ztoo many secretsc
�8 � V P V P 4 # )z.
precalculated hash for dummy_verify() to use
)r� �
_dummy_secretr s &r � _dummy_hash�CryptContext._dummy_hash� s � �
�y�y��+�+�,�,r c
�N � \ V 4 P P V 4 R# )z.
flush memoized values used by dummy_verify()
N)rF r� � clear_cacher s &r r � CryptContext._reset_dummy_verify s � �
�T�
� � �*�*�4�0r c
�R � V P V P V P 4 R# )z�
Helper that applications can call when user wasn't found,
in order to simulate time it would take to hash a password.
Runs verify() against a dummy hash, to simulate verification
of a real account password.
.. versionadded:: 1.7
F)r� r� r� r s &r r� �CryptContext.dummy_verify
s! � �
� � �D�&�&��(8�(8�9�r c
�D � V P VR4 P ' * # )a6
test if hash represents a usuable password --
i.e. does not represent an unusuable password such as ``"!"``,
which is recognized by the :class:`~passlib.hash.unix_disabled` hash.
:raises ValueError:
if the hash is not recognized
(typically solved by adding ``unix_disabled`` to the list of schemes).
N)r! r� )r> r� s &&r �
is_enabled�CryptContext.is_enabled s � � �(�(��t�4�@�@�@�@r c
�x � V P P pVP ' g Q hVP V4 # )a�
return a string to disable logins for user,
usually by returning a non-verifying string such as ``"!"``.
:param hash:
Callers can optionally provide the account's existing hash.
Some disabled handlers (such as :class:`!unix_disabled`)
will encode this into the returned value,
so that it can be recovered via :meth:`enable`.
:raises RuntimeError:
if this function is called w/o a disabled hasher
(such as :class:`~passlib.hash.unix_disabled`) included
in the list of schemes.
:returns:
hash string which will be recognized as valid by the context,
but is guaranteed to not validate against *any* password.
)r r� r� �disable�r> r� r� s && r r� �CryptContext.disable# s4 � �( � � �-�-���!�!�!�!�!��~�~�d�#�#r c
�p � V P VR4 pVP ' d VP V4 # V# )as
inverse of :meth:`disable` --
attempts to recover original hash which was converted
by a :meth:`!disable` call into a disabled hash --
thus restoring the user's original password.
:raises ValueError:
if original hash not present, or if the disabled handler doesn't
support encoding the original hash (e.g. ``django_disabled``)
:returns:
the original hash.
N)r! r� �enabler� s && r r� �CryptContext.enable; s6 � � �&�&�t�T�2�� � � � ��=�=��&� &�� r )r r r! r )�passlib�utf-8)NT)Fr� r� )FNF)NFF)NNFr� )r� )NN)NNN)NFFFr� )6r� r� r� r� r� r r r! � classmethodr� r� r� r� r� r@ r r� r r� r� r r� r8 r� r1 rD �propertyr� rJ rQ rW r_ rj rn r rv r r{ r~ r� r� r� r� r� r� r� r r� r r� r� r� r� r� r r r r r � s� � �
�: �G� �K����� �� �$� �$�L � � � �<$�L!� O�*4� �&� �&�
.� m3�^ � � � �8)�B �> 2�b1S�f
� �)� �)� �� �� �(� �(�&"
�H�& �D5� � EM�N ��%�5R��9��9� �%��7� ,� 8� ,� �%��7� 6� 8� 6� *�X8+�t ��%�5J�� (�� (�M3�^[�| '�M��-� �-� 1� �
A�$�0r c �@ a � ] tR tRtRtRtRR ltV 3R ltR tRt V ;t
# ) r iQ a� CryptContext subclass which doesn't load handlers until needed.
This is a subclass of CryptContext which takes in a set of arguments
exactly like CryptContext, but won't import any handlers
(or even parse its arguments) until
the first time one of its methods is accessed.
:arg schemes:
The first positional argument can be a list of schemes, or omitted,
just like CryptContext.
:param onload:
If a callable is passed in via this keyword,
it will be invoked at lazy-load time
with the following signature:
``onload(**kwds) -> kwds``;
where ``kwds`` is all the additional kwds passed to LazyCryptContext.
It should perform any additional deferred initialization,
and return the final dict of options to be passed to CryptContext.
.. versionadded:: 1.6
:param kwds:
All additional keywords are passed to CryptContext;
or to the *onload* function (if provided).
This is mainly used internally by modules such as :mod:`passlib.apps`,
which define a large number of contexts, but only a few of them will be needed
at any one time. Use of this class saves the memory needed to import
the specified handlers until the context instance is actually accessed.
As well, it allows constructing a context at *module-init* time,
but using :func:`!onload()` to provide dynamic configuration
at *application-run* time.
.. note::
This class is only useful if you're referencing handler objects by name,
and don't want them imported until runtime. If you want to have the config
validated before your application runs, or are passing in already-imported
handler instances, you should use :class:`CryptContext` instead.
.. versionadded:: 1.4
Nc �" � Ve WR& W n R # )Nr8 )�
_lazy_kwds)r> r8 r� s &&,r r@ �LazyCryptContext.__init__� s � � � � %��O� �r c � <� V P pR V9 d VP R 4 pV! R/ VB pV = \ SV ` ! R/ VB \ V n R# )�onloadNr )r� r� �superr@ r � __class__)r> r� r� r� s & �r �
_lazy_init�LazyCryptContext._lazy_init� sI �� ����� �t� ��X�X�h�'�F��>�D�>�D� �O�
��� �4� �%��r c �� � VP R 4 ' d VP R4 ' d V P e V P 4 \ P W4 # )�_r) )�
startswithr� r� �object�__getattribute__)r> �attrs &&r r� �!LazyCryptContext.__getattribute__� sD � �����$�$�����(=�(=��o�o�)� �O�O� ��&�&�t�2�2r )r� r� r� ) r� r� r� r� r� r� r@ r� r� r� �
__classcell__)r� s @r r r Q s$ �� �+�Z �J� �
&�3� 3r )+�
__future__r r� � configparserr �ior �warningsr r� r � passlib.excr r r
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passlib.utilsr
r� r r �passlib.utils.compatr r �passlib.utils.decorr r �__all__r� �_UNSETr' rT rg r� r% rh r2 rW r5 r r r r r �<module>r� s� �� "� � %� � � � T� T� F���� E� �� ��
��� � ���M� � ����#�� � �<� �(�-�8�9� �B <� B <�JB� B�J&G3�|� G3r