shell bypass 403
o
^ b�# � @ s� d dl Z d dlZd dlZd dlmZ e�d�ZdZdZdd� Z dd � Z
d
d � Z G d d
� d
ej �Z G dd� dej
�ZG dd� dej�ZG dd� de ej�ZG dd� de ej�Zdd� ZdS )� N)� ucd_3_2_0u [.。．｡]s xn--zxn--c C s g }| D ]}t �|�r q|�t �|�� qd�|�} t�d| �} | D ]5}t �|�sQt �|�sQt � |�sQt �
|�sQt � |�sQt � |�sQt �
|�sQt �|�sQt �|�rWtd| ��q"dd� | D �}|D ] }|r~tdd� | D ��rrtd��|d rz|d
s~td ��qa| S ) N� �NFKCzInvalid character %rc S s g | ]}t �|��qS � )�
stringprepZ in_table_d1��.0�xr r �7/usr/local/python-3.10/lib/python3.10/encodings/idna.py�
<listcomp>) s z nameprep.<locals>.<listcomp>c s s � | ]}t �|�V qd S )N)r Z in_table_d2r r r r
� <genexpr>2 s � znameprep.<locals>.<genexpr>z Violation of BIDI requirement 2r ���z Violation of BIDI requirement 3)r Z in_table_b1�appendZ map_table_b2�join� unicodedata� normalizeZ in_table_c12Z in_table_c22Z in_table_c3Z in_table_c4Z in_table_c5Z in_table_c6Z in_table_c7Z in_table_c8Z in_table_c9� UnicodeError�any)�labelZnewlabel�cZRandALr r r
�nameprep sH
�������� � �r c C s� z| � d�} W n ty Y nw dt| � k r dk r#| S td��td��t| �} z| � d�} W n ty; Y nw dt| � k rIdk rN| S td��td��| �t�r[td��| � d�} t| } dt| � k rqdk rv| S td��td��)N�asciir �@ �label empty or too longz Label starts with ACE prefix�punycode)�encoder �lenr �
startswith� sace_prefix�
ace_prefix)r r r r
�ToASCII> s6 �� ��
�r c C s� t | t�rd}nz | �d�} d}W n ty d}Y nw |s6t| �} z| �d�} W n ty5 td��w | �t�s@t| d�S | tt�d � }|� d�}t
|�}t| d�� � t|d�krctd| |��|S )NTr Fz Invalid character in IDN labelr zIDNA does not round-trip) �
isinstance�bytesr r r r r �strr �decoder �lower)r Z
pure_asciiZlabel1�resultZlabel2r r r
� ToUnicodei s.
� �
r' c @ s e Zd Zddd�Zddd�ZdS )�Codec�strictc C s |dkr
t d| ��|sdS z|�d�}W n ty Y n5w |�d�}|d d� D ]}dt|� k r;dk s@t d �� t d ��q*t|d �dkrMt d
��|t|�fS t� }t�|�}|rg|d sgd}|d= nd }|D ]}|rt|�d� |�t|�� qkt || �t|�fS ) Nr) �unsupported error handling �� r r � .r
r r r zlabel too longr, )
r r �UnicodeEncodeError�splitr � bytearray�dots�extendr r" )�self�input�errorsr& �labelsr � trailing_dotr r r
r � s< �
��
z Codec.encodec C s� |dkr
t d| ��|sdS t|t�st|�}t|vr/z
|�d�t|�fW S ty. Y nw |�d�}|rDt|d �dkrDd}|d= nd }g }|D ] }|�t |�� qJd�
|�| t|�fS )
Nr) �Unsupported error handling �r r r r- r
r �.r ) r r! r" r r$ r �UnicodeDecodeErrorr/ r r' r )r3 r4 r5 r6 r7 r& r r r r
r$ � s*
�
z Codec.decodeN)r) )�__name__�
__module__� __qualname__r r$ r r r r
r( � s
%r( c @ � e Zd Zdd� ZdS )�IncrementalEncoderc C s� |dkr
t d| ��|sdS t�|�}d}|r*|d s!d}|d= n |s*|d= |r*d}t� }d}|D ]}|r>|�d� |d7 }|�t|�� |t|�7 }q1||7 }|t|�7 }t|�|fS ) Nr) r* r+ r, r
r- r � )r r1 r/ r0 r2 r r r" � r3 r4 r5 �finalr6 r7 r& �sizer r r r
�_buffer_encode� s2
z!IncrementalEncoder._buffer_encodeN)r< r= r> rE r r r r
r@ � � r@ c @ r? )�IncrementalDecoderc C s� |dkr
t d| ��|sdS t|t�rt�|�}n
t|d�}|�d�}d}|r:|d s1d}|d= n |s:|d= |r:d}g }d}|D ]}|�t|�� |rO|d 7 }|t|�7 }q@d�|�| }|t|�7 }||fS )
Nr) r8 r9 r r: r r
r rA ) r r! r# r1 r/ r r' r r rB r r r
�_buffer_decode� s6
z!IncrementalDecoder._buffer_decodeN)r< r= r> rH r r r r
rG � rF rG c @ � e Zd ZdS )� StreamWriterN�r< r= r> r r r r
rJ $ � rJ c @ rI )� StreamReaderNrK r r r r
rM ' rL rM c C s t jdt� jt� jttttd�S )NZidna)�namer r$ �incrementalencoder�incrementaldecoder� streamwriter� streamreader) �codecs� CodecInfor( r r$ r@ rG rJ rM r r r r
� getregentry, s �rU )r �rerS r r �compiler1 r r r r r' r( �BufferedIncrementalEncoderr@ �BufferedIncrementalDecoderrG rJ rM rU r r r r
�<module> s
0+)H#'