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Editing: forwarded.pyc
a [��f� � @ s� d dl Z d dlZd dlmZ ejej d Zdjed�Zd�d� dd � d e e d d �� D ���Z d Z dje e d�Zdjeed�Ze �d�Ze �e�ZG dd� de�Zdd� ZdS )� N)�unquote_stringz!#$%&'*+.^_`|~-z [{tchar}]+)�tcharz[{0}]� c c s | ]}t |�V qd S �N)�chr)�.0�c� r �t/sparta/input/_build_configuration/image_build+validate/lib/bmcenv/lib64/python3.9/site-packages/falcon/forwarded.py� <genexpr>" � r )� � �! �# � z \\[\t !-~]z "(?:{quoted_pair}|{qdtext})*")�qdtext� quoted_pairz#({token})=({token}|{quoted_string}))�token� quoted_stringz \\([\t !-~])c @ s e Zd ZdZdZdd� ZdS )� Forwardeda9 Represents a parsed Forwarded header. (See also: RFC 7239, Section 4) Attributes: src (str): The value of the "for" parameter, or ``None`` if the parameter is absent. Identifies the node making the request to the proxy. dest (str): The value of the "by" parameter, or ``None`` if the parameter is absent. Identifies the client-facing interface of the proxy. host (str): The value of the "host" parameter, or ``None`` if the parameter is absent. Provides the host request header field as received by the proxy. scheme (str): The value of the "proto" parameter, or ``None`` if the parameter is absent. Indicates the protocol that was used to make the request to the proxy. ��src�dest�host�schemec C s d | _ d | _d | _d | _d S r r )�selfr r r �__init__N s zForwarded.__init__N)�__name__� __module__� __qualname__�__doc__� __slots__r r r r r r 4 s r c C sl g }d}t | �}d}d}d| kr.|k �rXn �n$t�| |�}|dur�|rZ| �d|�}n�|t |�d��7 }d}|�� \}}|�� }|d dkr�t|�}|s�t� }|dkr�||_ n2|dkr�||_ n"|d kr�||_ n|d kr�|�� |_ q| | dk�rd}|d 7 }|�rV|� |� d}q| | d k�r2d}|d 7 }q| | d v �rJ|d 7 }q| �d|�}q|�rh|� |� |S )a� Parses the value of a Forwarded header. Makes an effort to parse Forwarded headers as specified by RFC 7239: - It checks that every value has valid syntax in general as specified in section 4: either a 'token' or a 'quoted-string'. - It un-escapes found escape sequences. - It does NOT validate 'by' and 'for' contents as specified in section 6. - It does NOT validate 'host' contents (Host ABNF). - It does NOT validate 'proto' contents for valid URI scheme names. Arguments: forwarded (str): Value of a Forwarded header Returns: list: Sequence of Forwarded instances, representing each forwarded-element in the header, in the same order as they appeared in the header. r FN�,T�"�by�forr �proto� �;z )�len�_FORWARDED_PAIR_RE�match�find�group�groups�lowerr r r r r r �append) � forwarded�elements�pos�end�need_separator�parsed_elementr, �name�valuer r r �_parse_forwarded_headerU sR r: )�re�string�falcon.util.urir �digits� ascii_letters�_TCHAR�format�_TOKEN�join�tuple�range�_QDTEXT� _QUOTED_PAIR�_QUOTED_STRING�_FORWARDED_PAIR�compile�_QUOTED_PAIR_REPLACE_REr+ �objectr r: r r r r �<module> s( ���� !
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