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dd� ZdS )�SoSMapz�Standardized way to store items with their obfuscated counterparts.
Each type of sanitization that SoSCleaner supports should have a
corresponding SoSMap() object, to allow for easy retrieval of obfuscated
items.
Tc C s i | _ t� | _g | _t� | _d S )N)�dataset�set�
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�?/usr/lib/python3/dist-packages/sos/cleaner/mappings/__init__.py�__init__ s zSoSMap.__init__c C sB |r|| j v s|| j�� v rdS | jD ] }t�||�r dS qdS )z�Some items need to be completely ignored, for example link-local or
loopback addresses should not be obfuscated
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��zSoSMap.ignore_itemc C sb | � |�r|S | j� | �|�| j|< | jr| �|� | j| W d � S 1 s*w Y dS )z�Add a particular item to the map, generating an obfuscated pair
for it.
Positional arguments:
:param item: The plaintext object to obfuscate
N)r r �
sanitize_itemr �compile_regexes�add_regex_item�r r r
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r �add- s
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SoSMap.addc C sV | � |�rdS || jvr)| j�|� | j�|| �|�f� | jjdd� dd� dS dS )z�Add an item to the regexes dict and then re-sort the list that the
parsers will use during parse_line()
:param item: The unobfuscated item to generate a regex for
:type item: ``str``
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�zSoSMap.add_regex_itemc C s t �|t j�S )a9 Generate the object/value that is used by the parser when iterating
over pre-generated regexes during parse_line(). For most parsers this
will simply be a ``re.Pattern()`` object, but for more complex parsers
this can be overridden to provide a different object, e.g. a tuple,
for that parer's specific iteration needs.
:param item: The unobfuscated string to generate the regex for
:type item: ``str``
:returns: A compiled regex pattern for the item
:rtype: ``re.Pattern``
)r �compile�Ir r
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r r T s
zSoSMap.get_regex_resultc C s |S )z�Perform the obfuscation relevant to the item being added to the map.
This should be overridden by each type of map that subclasses SoSMap
Positional arguments:
:param item: The plaintext object to obfuscate
r
r r
r
r r c s zSoSMap.sanitize_itemc C s, | � |�r|S || jvr| �|�S | j| S )z�Retrieve an item's obfuscated counterpart from the map. If the item
does not yet exist in the map, add it by generating one on the fly
)r r r r r
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r �getn s
z
SoSMap.getc C s | j �|� dS )a) Update the map using information from a previous run to ensure that
we have consistent obfuscation between reports
Positional arguments:
:param map_dict: A dict of mappings with the form of
{clean_entry: 'obfuscated_entry'}
N)r �update)r �map_dictr
r
r � conf_updatex s zSoSMap.conf_updateN)�__name__�
__module__� __qualname__�__doc__r r
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