관리-도구
편집 파일: pwd.cpython-39.opt-1.pyc
a f�Wcp � @ s� d Z ddlmZmZmZmZ ddlZddlmZ zddl m Z W n e y^ ddlm Z Y n0 ddl m Z mZ ddlZe�e�ZddlZddlZddlmZ ddlmZmZmZmZ dd l m Z m Z m Z dd l m!Z! g d �Z"e#d d dddd�Z$dd� Z%dd� Z&d0dd�Z'e(e)fZ*e+e,fZ-e+� Z.d1dd�Z/G dd � d e0�Z1e#d d d d d!�Z2G d"d#� d#e1�Z3d2d$d%�Z4d&d'� Z5G d(d)� d)e �Z6e6� Z7d*�8� D ]Z9e7�:e9d+e9 � �q�G d,d-� d-e1�Z;d3d.d/�Z<dS )4z*passlib.pwd -- password generation helpers� )�absolute_import�division�print_function�unicode_literalsN)� defaultdict)�MutableMapping)�ceil�log)�exc)�PY2�irange� itervalues� int_types)�rng� getrandstr� to_unicode)�memoized_property)�genword�default_charsets� genphrase�default_wordsets� � �$ �0 �< )ZunsafeZweakZfair�strongZsecurec C s t | �j}||�|�d d� S )z2return remaining classes in object's MRO after cls� N)�type�__mro__�index)�obj�cls�mro� r$ �//usr/lib/python3.9/site-packages/passlib/pwd.py� _superclasses8 s r& c C s� z t | �}W n ty" d}Y n0 tt�}| D ]}|| d7 < q0|du r`|�� }t|�}nt|�}|spdS t|d�tdd� |D ��| S )a� returns 'rate of self-information' -- i.e. average (per-symbol) entropy of the sequence **source**, where probability of a given symbol occurring is calculated based on the number of occurrences within the sequence itself. if all elements of the source are unique, this should equal ``log(len(source), 2)``. :arg source: iterable containing 0+ symbols (e.g. list of strings or ints, string of characters, etc). :returns: float bits of entropy Nr r � c s s | ]}|t |d � V qdS )r' N)�logf)�.0�valuer$ r$ r% � <genexpr>_ � z"_self_info_rate.<locals>.<genexpr>)�len� TypeErrorr �int�values�sumr r( )�source�sizeZcounts�charr0 r$ r$ r% �_self_info_rate> s r5 c C sZ |rt �|�t| ��S tj�| �r,t| d�S | �d�\}}}|sNtd| f ��t � ||�S )a :param asset_path: string containing absolute path to file, or package-relative path using format ``"python.module:relative/file/path"``. :returns: filehandle opened in 'rb' mode (unless encoding explicitly specified) �rb�:zKasset path must be absolute file path or use 'pkg.name:sub/path' format: %r) �codecs� getreader�_open_asset_path�os�path�isabs�open� partition� ValueError� pkg_resourcesZresource_stream)r< �encoding�package�sepZsubpathr$ r$ r% r: j s �r: r2 c C s t }d}z| |v rW dS W n ty0 d}Y n0 t| t�sPtt| ��t| �krz|rvz|�| � W n tyt Y n0 dS t� }t� }| D ]}||v r�|n|�|� q�t|�}d}t|�|kr�d}d�dd� |d|� D ��}t|�|kr�|d t|�| 7 }t d ||f ��dS ) z� helper for generators -- Throws ValueError if source elements aren't unique. Error message will display (abbreviated) repr of the duplicates in a string/list TF� � �, c s s | ]}t t|��V qd S �N)�repr�str�r) Zwordr$ r$ r% r+ � r, z!_ensure_unique.<locals>.<genexpr>Nz, ... plus %d othersz*`%s` cannot contain duplicate elements: %s) �_ensure_unique_cacher. � isinstance� _set_typesr- �set�add�sorted�joinr@ ) r2 �param�cacheZhashable�seenZdups�elemZtruncZdup_reprr$ r$ r% �_ensure_unique� s8 �rW c sp e Zd ZdZdZdZeZdZd� fdd� Ze dd� �Z e dd � �Z d d � Z dd d �Z dd� Zerhdd� Z� ZS )�SequenceGeneratoraY Base class used by word & phrase generators. These objects take a series of options, corresponding to those of the :func:`generate` function. They act as callables which can be used to generate a password or a list of 1+ passwords. They also expose some read-only informational attributes. Parameters ---------- :param entropy: Optionally specify the amount of entropy the resulting passwords should contain (as measured with respect to the generator itself). This will be used to auto-calculate the required password size. :param length: Optionally specify the length of password to generate, measured as count of whatever symbols the subclass uses (characters or words). Note if ``entropy`` requires a larger minimum length, that will be used instead. :param rng: Optionally provide a custom RNG source to use. Should be an instance of :class:`random.Random`, defaults to :class:`random.SystemRandom`. Attributes ---------- .. autoattribute:: length .. autoattribute:: symbol_count .. autoattribute:: entropy_per_symbol .. autoattribute:: entropy Subclassing ----------- Subclasses must implement the ``.__next__()`` method, and set ``.symbol_count`` before calling base ``__init__`` method. Nr c s� |d us|d u r`|d u r | j }t�||�}|dkr:td��tt|| j ��}|d u s\||k r`|}|| _ |dk rvtd��|| _|d ur�|| _|r�t | t �t fkr�t dd� |�� � ��tt | �jf i |�� d S )Nr z!`entropy` must be positive numberr z!`length` must be positive integerzUnexpected keyword(s): %srG )�requested_entropy�entropy_aliases�getr@ r/ r �entropy_per_symbol�lengthr r& rX �objectr. rR �keys�super�__init__)�self�entropyr] r �kwdsZ min_length�� __class__r$ r% ra � s$ zSequenceGenerator.__init__c C s t | jd�S )zZ Average entropy per symbol (assuming all symbols have equal probability) r' )r( � symbol_count�rb r$ r$ r% r\ s z$SequenceGenerator.entropy_per_symbolc C s | j | j S )a+ Effective entropy of generated passwords. This value will always be a multiple of :attr:`entropy_per_symbol`. If entropy is specified in constructor, :attr:`length` will be chosen so so that this value is the smallest multiple >= :attr:`requested_entropy`. )r] r\ rh r$ r$ r% rc s zSequenceGenerator.entropyc C s t d��dS )z;main generation function, should create one password/phrasezimplement in subclassN)�NotImplementedErrorrh r$ r$ r% �__next__) s zSequenceGenerator.__next__c sN |du rt � �S t|t�r0� fdd�t|�D �S |tu r<� S t�|dd��dS )zN frontend used by genword() / genphrase() to create passwords Nc s g | ] }t � ��qS r$ )�next�r) �_rh r$ r% � <listcomp>4 r, z.SequenceGenerator.__call__.<locals>.<listcomp>z<None>, int, or <iter>�returns)rk rM r r �iterr ZExpectedTypeError)rb ro r$ rh r% �__call__- s zSequenceGenerator.__call__c C s | S rH r$ rh r$ r$ r% �__iter__: s zSequenceGenerator.__iter__c C s | � � S rH )rj rh r$ r$ r% rk > s zSequenceGenerator.next)NNN)N)�__name__� __module__� __qualname__�__doc__r] rY r rg ra r r\ rc rj rq rr r rk � __classcell__r$ r$ re r% rX � s ,# rX zH0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*?/Z>0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZZ2234679abcdefghjkmnpqrstuvwxyzACDEFGHJKMNPQRTUVWXYZZ0123456789abcdef)Zascii_72�ascii_62Zascii_50�hexc s> e Zd ZdZdZdZd � fdd� Zedd� �Zdd � Z � Z S ) � WordGeneratora� Class which generates passwords by randomly choosing from a string of unique characters. Parameters ---------- :param chars: custom character string to draw from. :param charset: predefined charset to draw from. :param \*\*kwds: all other keywords passed to the :class:`SequenceGenerator` parent class. Attributes ---------- .. autoattribute:: chars .. autoattribute:: charset .. autoattribute:: default_charsets rx Nc sb |r|r$t d��n|s | j}t| }|| _t|dd�}t|dd� || _tt| �jf i |�� d S )Nz,`chars` and `charset` are mutually exclusive�chars�rS ) r. �charsetr r rW r{ r` rz ra )rb r{ r} rd re r$ r% ra ~ s zWordGenerator.__init__c C s t | j�S rH )r- r{ rh r$ r$ r% rg � s zWordGenerator.symbol_countc C s t | j| j| j�S rH )r r r{ r] rh r$ r$ r% rj � s zWordGenerator.__next__)NN) rs rt ru rv r} r{ ra r rg rj rw r$ r$ re r% rz \ s rz c K s t f || d�|��}||�S )a� Generate one or more random passwords. This function uses :mod:`random.SystemRandom` to generate one or more passwords using various character sets. The complexity of the password can be specified by size, or by the desired amount of entropy. Usage Example:: >>> # generate a random alphanumeric string with 48 bits of entropy (the default) >>> from passlib import pwd >>> pwd.genword() 'DnBHvDjMK6' >>> # generate a random hexadecimal string with 52 bits of entropy >>> pwd.genword(entropy=52, charset="hex") '310f1a7ac793f' :param entropy: Strength of resulting password, measured in 'guessing entropy' bits. An appropriate **length** value will be calculated based on the requested entropy amount, and the size of the character set. This can be a positive integer, or one of the following preset strings: ``"weak"`` (24), ``"fair"`` (36), ``"strong"`` (48), and ``"secure"`` (56). If neither this or **length** is specified, **entropy** will default to ``"strong"`` (48). :param length: Size of resulting password, measured in characters. If omitted, the size is auto-calculated based on the **entropy** parameter. If both **entropy** and **length** are specified, the stronger value will be used. :param returns: Controls what this function returns: * If ``None`` (the default), this function will generate a single password. * If an integer, this function will return a list containing that many passwords. * If the ``iter`` constant, will return an iterator that yields passwords. :param chars: Optionally specify custom string of characters to use when randomly generating a password. This option cannot be combined with **charset**. :param charset: The predefined character set to draw from (if not specified by **chars**). There are currently four presets available: * ``"ascii_62"`` (the default) -- all digits and ascii upper & lowercase letters. Provides ~5.95 entropy per character. * ``"ascii_50"`` -- subset which excludes visually similar characters (``1IiLl0Oo5S8B``). Provides ~5.64 entropy per character. * ``"ascii_72"`` -- all digits and ascii upper & lowercase letters, as well as some punctuation. Provides ~6.17 entropy per character. * ``"hex"`` -- Lower case hexadecimal. Providers 4 bits of entropy per character. :returns: :class:`!unicode` string containing randomly generated password; or list of 1+ passwords if :samp:`returns={int}` is specified. )r] rc )rz �rc r] ro rd �genr$ r$ r% r � s Fr c C s` t | d��0}dd� |D �}tdd� |D ��}W d � n1 s@0 Y t�dt|�| � |S )a2 load wordset from compressed datafile within package data. file should be utf-8 encoded :param asset_path: string containing absolute path to wordset file, or "python.module:relative/file/path". :returns: tuple of words, as loaded from specified words file. zutf-8c s s | ]}|� � V qd S rH )�striprK r$ r$ r% r+ r, z _load_wordset.<locals>.<genexpr>c s s | ]}|r|V qd S rH r$ rK r$ r$ r% r+ r, Nz!loaded %d-element wordset from %r)r: �tupler �debugr- )Z asset_pathZfhr �wordsr$ r$ r% � _load_wordset� s 0r� c sl e Zd ZdZdZdZ� fdd�Zdd� Zdd� Zd d � Z d d � Z e d d� �Z dd� Z dd� Zdd� Z� ZS )� WordsetDictz� Special mapping used to store dictionary of wordsets. Different from a regular dict in that some wordsets may be lazy-loaded from an asset path. Nc s& i | _ i | _tt| �j|i |�� d S rH )�paths�_loadedr` r� ra )rb �argsrd re r$ r% ra % s zWordsetDict.__init__c C s@ z | j | W S ty Y n0 | j| }t|� }| j |< |S rH )r� �KeyErrorr� r� )rb �keyr< r* r$ r$ r% � __getitem__* s zWordsetDict.__getitem__c C s || j |< dS )z; set asset path to lazy-load wordset from. N)r� )rb r� r< r$ r$ r% �set_path3 s zWordsetDict.set_pathc C s || j |< d S rH )r� )rb r� r* r$ r$ r% � __setitem__9 s zWordsetDict.__setitem__c C s, || v r | j |= | j�|d � n| j|= d S rH )r� r� �pop�rb r� r$ r$ r% � __delitem__< s zWordsetDict.__delitem__c C s t | j�}|�| j� |S rH )rO r� �updater� )rb r_ r$ r$ r% �_keysetC s zWordsetDict._keysetc C s t | j�S rH )rp r� rh r$ r$ r% rr I s zWordsetDict.__iter__c C s t | j�S rH )r- r� rh r$ r$ r% �__len__L s zWordsetDict.__len__c C s || j v p|| jv S rH )r� r� r� r$ r$ r% � __contains__P s zWordsetDict.__contains__)rs rt ru rv r� r� ra r� r� r� r� �propertyr� rr r� r� rw r$ r$ re r% r� s r� z%eff_long eff_short eff_prefixed bip39z passlib:_data/wordsets/%s.txtc sB e Zd ZdZdZdZdZd � fdd� Zedd� �Z d d � Z � Z S ) �PhraseGeneratora� class which generates passphrases by randomly choosing from a list of unique words. :param wordset: wordset to draw from. :param preset: name of preset wordlist to use instead of ``wordset``. :param spaces: whether to insert spaces between words in output (defaults to ``True``). :param \*\*kwds: all other keywords passed to the :class:`SequenceGenerator` parent class. .. autoattribute:: wordset Zeff_longN� c s� |d ur|d ur0t d��n|d u r(| j}t| }|| _t|t�sHt|�}t|dd� || _|d u rh| j}t |dd�}|| _t t | �j f i |�� d S )Nz,`words` and `wordset` are mutually exclusiver� r| rD ) r. �wordsetr rM �_sequence_typesr� rW r� rD r r` r� ra )rb r� r� rD rd re r$ r% ra ~ s zPhraseGenerator.__init__c C s t | j�S rH )r- r� rh r$ r$ r% rg � s z PhraseGenerator.symbol_countc s$ � fdd�t � j�D �}� j�|�S )Nc 3 s | ]}� j �� j�V qd S rH )r �choicer� rl rh r$ r% r+ � r, z+PhraseGenerator.__next__.<locals>.<genexpr>)r r] rD rR )rb r� r$ rh r% rj � s zPhraseGenerator.__next__)NNN) rs rt ru rv r� r� rD ra r rg rj rw r$ r$ re r% r� _ s " r� c K s t f | |d�|��}||�S )am Generate one or more random password / passphrases. This function uses :mod:`random.SystemRandom` to generate one or more passwords; it can be configured to generate alphanumeric passwords, or full english phrases. The complexity of the password can be specified by size, or by the desired amount of entropy. Usage Example:: >>> # generate random phrase with 48 bits of entropy >>> from passlib import pwd >>> pwd.genphrase() 'gangly robbing salt shove' >>> # generate a random phrase with 52 bits of entropy >>> # using a particular wordset >>> pwd.genword(entropy=52, wordset="bip39") 'wheat dilemma reward rescue diary' :param entropy: Strength of resulting password, measured in 'guessing entropy' bits. An appropriate **length** value will be calculated based on the requested entropy amount, and the size of the word set. This can be a positive integer, or one of the following preset strings: ``"weak"`` (24), ``"fair"`` (36), ``"strong"`` (48), and ``"secure"`` (56). If neither this or **length** is specified, **entropy** will default to ``"strong"`` (48). :param length: Length of resulting password, measured in words. If omitted, the size is auto-calculated based on the **entropy** parameter. If both **entropy** and **length** are specified, the stronger value will be used. :param returns: Controls what this function returns: * If ``None`` (the default), this function will generate a single password. * If an integer, this function will return a list containing that many passwords. * If the ``iter`` builtin, will return an iterator that yields passwords. :param words: Optionally specifies a list/set of words to use when randomly generating a passphrase. This option cannot be combined with **wordset**. :param wordset: The predefined word set to draw from (if not specified by **words**). There are currently four presets available: ``"eff_long"`` (the default) Wordset containing 7776 english words of ~7 letters. Constructed by the EFF, it offers ~12.9 bits of entropy per word. This wordset (and the other ``"eff_"`` wordsets) were `created by the EFF <https://www.eff.org/deeplinks/2016/07/new-wordlists-random-passphrases>`_ to aid in generating passwords. See their announcement page for more details about the design & properties of these wordsets. ``"eff_short"`` Wordset containing 1296 english words of ~4.5 letters. Constructed by the EFF, it offers ~10.3 bits of entropy per word. ``"eff_prefixed"`` Wordset containing 1296 english words of ~8 letters, selected so that they each have a unique 3-character prefix. Constructed by the EFF, it offers ~10.3 bits of entropy per word. ``"bip39"`` Wordset of 2048 english words of ~5 letters, selected so that they each have a unique 4-character prefix. Published as part of Bitcoin's `BIP 39 <https://github.com/bitcoin/bips/blob/master/bip-0039/english.txt>`_, this wordset has exactly 11 bits of entropy per word. This list offers words that are typically shorter than ``"eff_long"`` (at the cost of slightly less entropy); and much shorter than ``"eff_prefixed"`` (at the cost of a longer unique prefix). :param sep: Optional separator to use when joining words. Defaults to ``" "`` (a space), but can be an empty string, a hyphen, etc. :returns: :class:`!unicode` string containing randomly generated passphrase; or list of 1+ passphrases if :samp:`returns={int}` is specified. )rc r] )r� r~ r$ r$ r% r � s ar )N)r2 )NNN)NNN)=rv Z __future__r r r r r8 � collectionsr �collections.abcr � ImportErrorZmathr r r( ZloggingZ getLoggerrs rA r; Zpasslibr Zpasslib.utils.compatr r r r Z passlib.utilsr r r Zpasslib.utils.decorr �__all__�dictrZ r& r5 r: �listr� r� rO � frozensetrN rL rW r^ rX r rz r r� r� r �split�namer� r� r r$ r$ r$ r% �<module> s^ �, . �L M#> R