ruạṛ
a ���fr � @ s� d dl Z d dlZd dlZd dlZd dlmZ zd dlmZ W n eyZ d dl mZ Y n0 d dl m Z m Z m Z eg d��Ze e e d�ZG dd� de�Zdd d �Zd d � Zd d� Zdd� Zdd� Zdd� ZG dd� de�Zdd� ZdS )� N)�six)�parse_http_list)�SHA1�SHA256�SHA512)zrsa-sha1z rsa-sha256z rsa-sha512z hmac-sha1z hmac-sha256z hmac-sha512)Zsha1Zsha256Zsha512c @ s e Zd ZdS )�HttpSigExceptionN)�__name__� __module__� __qualname__� r r �B/usr/lib/python3.9/site-packages/oci/_vendor/httpsig_cffi/utils.pyr s r c C s� t |�}| sdg} g }| D ]�}|�� }|dkrX|r6|s>td��|�d||�� |f � q|dkr�|s�d|v rv|| }n td| ��|�d||f � q||vr�td| ��|�d||| f � qd�|��d �}|S ) N�datez(request-target)z@method and path arguments required when using "(request-target)"z %s: %s %s�hostz missing required header "%s"z%s: %s� �ascii)�CaseInsensitiveDict�lower� Exception�append�join�encode)Zrequired_headers�headersr �method�pathZ signable_list�hZsignabler r r �generate_message s* r c C s� t | tj�s| �d�} | �dd�}t|�dkr6td��i }t|�dkr�|d }|r�t|�r�t|�}|D ]N}d|v rf|�dd�\}}t|�rft|�s�qf|d dkr�|dd � }|||< qf|d t|�fS ) Nr � � � zHInvalid authorization header. (eg. Method key1=value1,key2="value, "2"")�=r �"���) � isinstancer Z string_types�decode�split�len� ValueErrorr r )�headerZauth�valuesZ auth_value�fields�item�key�valuer r r �parse_authorization_header@ s& r- c C sT | |dd�}|r,dd� |D �}d� |�|d< tdj|�� �}d� |�}d �|�}|S ) a� Build the Signature template for use with the Authorization header. key_id is the mandatory label indicating to the server which secret to use algorithm is one of the six specified algorithms headers is a list of http headers to be included in the signing string. The signature must be interpolated into the template to get the final Authorization header value. z%s)ZkeyId� algorithmZ signaturec S s g | ] }|� � �qS r �r )�.0r r r r � <listcomp>p � z,build_signature_template.<locals>.<listcomp>r r z{0[0]}="{0[1]}"�,z Signature {0})r �map�format�items)Zkey_idr. r Z param_mapZkvZ kv_stringZ sig_stringr r r �build_signature_templateb s � r7 c C sP g }| rLt �d| d d� �d }| d|d � }|�|� | |d d � } q|S )Nz>I� r )�struct�unpackr )�d�partsr% �bitsr r r �lkvx s r> c C s t | �d S )Nr )r> )r; r r r �sig� s r? c C s t | j�d dkS )Nr �ssh-rsa)r> Zblob)Zkeyobjr r r �is_rsa� s rA c sB e Zd Zd � fdd� Z� fdd�Z� fdd�Z� fdd �Z� ZS ) r Nc s8 t t| �jf i |�� |r4| �dd� t�|�D �� d S )Nc s s | ]\}}|� � |fV qd S �Nr/ )r0 �k�vr r r � <genexpr>� r2 z/CaseInsensitiveDict.__init__.<locals>.<genexpr>)�superr �__init__�updater Z iteritems)�selfr; �kwargs�� __class__r r rG � s z CaseInsensitiveDict.__init__c s t t| ��|�� |� d S rB )rF r � __setitem__r )rI r+ r, rK r r rM � s z CaseInsensitiveDict.__setitem__c s t t| ��|�� �S rB )rF r � __getitem__r �rI r+ rK r r rN � s z CaseInsensitiveDict.__getitem__c s t t| ��|�� �S rB )rF r � __contains__r rO rK r r rP � s z CaseInsensitiveDict.__contains__)N)r r r rG rM rN rP � __classcell__r r rK r r � s r c C s� | � d�r| �d�d } nd}t�|| �d } | �dd�} | �� �d�} t�| �} t� | �� � }d� d d � t |d d d � |dd d � �D ��S ) z{ Takes an ssh public key and generates the fingerprint. See: http://tools.ietf.org/html/rfc4716 for more info r@ r r z\-{4,5}[\w|| ]+\-{4,5}r � r �:c s s | ]\}}|| V qd S rB r )r0 �a�br r r rE � r2 z"get_fingerprint.<locals>.<genexpr>Nr ) � startswithr$ �re�replace�stripr �base64Z b64decode�hashlibZmd5Z hexdigestr �zip)r+ ZregexZfp_plainr r r �get_fingerprint� s r] )NNN) rW r9 r[ rZ Z oci._vendorr Zurllib.requestr � ImportErrorZurllib2Z%cryptography.hazmat.primitives.hashesr r r � frozensetZ ALGORITHMSZHASHESr r r r- r7 r> r? rA �dictr r] r r r r �<module> s( ""
cải xoăn