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Crypto.cpython-39.pyc
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Output of this function should be appended directly to self.resource['uri'] - Set "always_have_equal" to always have the "=" char for a param even when there is no value for it. - Set "limited_keys" list to restrict the param string to keys that are defined in it. � �=)Nr z&%s%sT��unicode_outputz&%s=%s�?r N)�sorted�keysr )�params�always_have_equal� limited_keysZ param_strZ equal_str�key�value� r �-/usr/lib/python3.9/site-packages/S3/Crypto.py�format_param_str% s r! c C s, t � � j}tt�t|�| t��� ��� }|S )a{ Sign a string with the secret key, returning base64 encoded results. By default the configured secret key is used, but may be overridden as an argument. Useful for REST authentication. See http://s3.amazonaws.com/doc/s3-developer-guide/RESTAuthentication.html string_to_sign should be utf-8 "bytes". and returned signature will be utf-8 encoded "bytes". ) r � secret_keyr �hmac�newr r �digest�strip)�string_to_signr" � signaturer r r �sign_string_v2B s r) �GET�/c C s4 g d�}|du rt dd�}t�� j}| d }||�dd�d 7 }||�dd�d 7 }||�d d�d 7 }t|�� �D ]H}|�d �r�||d || d 7 }|�d �rt||d || d 7 }qtt|d dd�}t||d�}||7 }||7 }t dt |� � t t t |���} t t|�� �dd�} d| d | | d< | S )aA Sign a string with the secret key, returning base64 encoded results. By default the configured secret key is used, but may be overridden as an argument. Useful for REST authentication. See http://s3.amazonaws.com/doc/s3-developer-guide/RESTAuthentication.html string_to_sign should be utf-8 "bytes". )ZaclZ lifecycle�location�loggingZ notificationZ partNumberZpolicyZrequestPaymentZtaggingZtorrentZuploadIdZuploadsZ versionIdZ versioningZversionsZwebsite�deleteZcorsZrestoreNT�Z ignore_case� z content-md5r z content-type�datezx-amz-�:zx-emc-F�Zquote_backslashesr )r z SignHeaders: zAWS � Authorization)r r � access_key�getr r � startswithr r! r �reprr r) r �list�items) �method� canonical_urir � cur_headersZSUBRESOURCES_TO_INCLUDEr5 r' �header�canonical_querystringr( � new_headersr r r �sign_request_v2Q s, rA c C s t | �� | �� |d�S )aE Sign a URL in s3://bucket/object form with the given expiry time. The object will be accessible via the signed URL until the AWS key and secret are revoked or the expiry time is reached, even if the object is otherwise private. See: http://s3.amazonaws.com/doc/s3-developer-guide/RESTAuthentication.html )�bucket�object�expiry)�sign_url_base_v2rB rC )Z url_to_signrD r r r � sign_url_v2� s �rF c K sR t � � j}t � � j}t| d �| d< t � � j| d< t � � j| d< t| d ddd�| d< d| d < t � � jrpd | d < td | d � d | }d }|r�||d | 7 }d}|r�||d | 7 }d}td|� tt t |��dd�| d< td| d � t t � � j | d ��rd}nd}|d7 }|| }|�r4|dt|dd� 7 }|�rN|dt|dd� 7 }|S )zcShared implementation of sign_url methods. Takes a hash of 'bucket', 'object' and 'expiry' as args.rD r5 � host_baserC FTr3 �http�proto�httpsz#Expiry interpreted as epoch time %sz'GET %(expiry)d /%(bucket)s/%(object)sr z response-content-disposition=�&zresponse-content-type=zSigning plaintext: %rr ZsigzUrlencoded signature: %srB z/%(proto)s://%(bucket)s.%(host_base)s/%(object)sz/%(proto)s://%(host_base)s/%(bucket)s/%(object)szC?AWSAccessKeyId=%(access_key)s&Expires=%(expiry)d&Signature=%(sig)sz &response-content-disposition=z&response-content-type=) r �content_disposition� content_typer r5 rG r Zsignurl_use_httpsr r) r r Z host_bucket)ZparmsrL rM ZsigntextZparam_separator�urlr r r rE � s> rE c C s t �| t|�t��� S �N)r# r$ r r r% )r �msgr r r �sign� s rQ c C s4 t td| �|�}t ||�}t ||�}t |d�}|S )z1 Input: unicode params Output: bytes ZAWS4� aws4_request)rQ r )r Z dateStampZ regionNameZ serviceNameZkDateZkRegionZkServiceZkSigningr r r �getSignatureKey� s rS r � us-east-1� c C sV d}|d u rt dd�}t�� }|j} |j} tj�� } | �d�} | �d�} t| | ||�}t|ddd�}t |dd�� d �}t |�t t d ��kr�t |�� �}nt t t|���� �}||| d �}d }|�� D ]@}|d ks�||�d�v r�q�|| �� ||�� < |d|�� 7 }q�d}t|�� �D ] \}}||d | d 7 }�q|}td| � d�t|�d���}| d | d | d | d | d | }td| � d}| d | d | d d }|d | d | d t t t|���� � }t t�|t|�t ��� �}|d d | d | d d | d d | } t |�� �} | �| | |d �� td | � | S ) NZs3Tr/ z%Y%m%dT%H%M%SZz%Y%m%dFr3 )r r rU )�host�x-amz-content-sha256� x-amz-datez$host;x-amz-content-sha256;x-amz-dater4 �;r r2 r0 zcanonical_headers = %sz,Canonical Request: %s ----------------------zAWS4-HMAC-SHA256r+ rR � z Credential=�,zSignedHeaders=z Signature=)rX r4 rW zsignature-v4 headers: %s)r r r5 r" �datetimeZutcnow�strftimerS r r! �lstrip�typer r � hexdigestr r �splitr& r r: r �joinr# r$ �update) r; rV r< r Zregionr= �bodyZserviceZcfgr5 r" �tZamzdateZ datestampZ signing_keyr? Z payload_hashZcanonical_headersZsigned_headersr> Zcanonical_headers_str�k�vZcanonical_request� algorithmZcredential_scoper' r( Zauthorization_headerr@ r r r �sign_request_v4� sZ � , ,0 � ri c sz |� }|d u r2t � fdd�d�D ]}|�|� q nD� �|� |}|dkrv� �td|��}|s^qv|t|�8 }|�|� q@|S )Nc s � � d�S )N� )�readr �� file_descr r �<lambda> rU z*checksum_file_descriptor.<locals>.<lambda>rU r rj )�iterrc �seekrk �min�len)rm �offset�sizeZ hash_func�hash�chunk� size_leftr rl r �checksum_file_descriptor s rx Zchecksum_file_streamc C sX t | t�st| ||t�S tt| �d�� }t|||t�W d � S 1 sJ0 Y d S )N�rb)� isinstancer rx r �openr )�filers rt �fpr r r �checksum_sha256_file s r~ c C s4 t � }|d u r|�| � n|�| ||| � � |S rO )r rc )�bufferrs rt ru r r r �checksum_sha256_buffer, s r� c C s@ t t| ��}t|�� �}t|�}|d dkr8|dd� }t|�S )N���r0 r )r r r r% r )rd �mZ base64md5r r r �generate_content_md56 s r� c C sX t � }tt| �d��,}|�d�}|s&q2|�|� qW d � n1 sF0 Y |�� S )Nry i � )r r{ r rk rc r` )�filename�hr} �datar r r � hash_file_md5@ s *r� c C sf t � }|}| dkrT|�|� |dkr^|�t||��}|s:q^|�|� |t|�8 }q n |�| � |�� S )Nr r )r rp rk rq rc rr r` )r Zmfilers Z chunk_sizeZ send_chunkZmd5_hashrw r� r r r �calculateChecksumM s r� )FN)r* r+ NN)r* r r+ NrT NrU )r N)r N)+Z __future__r �sysr# �base64r r � ImportErrorr r r- r Z BaseUtilsr r r r r ZUtilsr r r r r\ Zhashlibr r �__all__r! �appendr) rA rF rE rQ rS ri rx r~ r� r� r� r� r r r r �<module> sT 1 " � ?
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