o
    ia                     @   s  d dl mZ d dlmZmZmZmZmZmZ d dl	m
Z
mZmZmZmZmZ d dlmZ d dlmZ d dlmZ G dd deZG d	d
 d
eZG dd deZG dd deZG dd deZG dd deZG dd deZG dd deZeeeeeeedZdS )    )BytesIO)SIGNED_HEADERS_BLACKLIST"STREAMING_UNSIGNED_PAYLOAD_TRAILERUNSIGNED_PAYLOAD
BaseSigner_get_body_as_dict_host_from_url)HTTPHeadersawscrtget_current_datetimeparse_qsurlsplit
urlunsplit)NoCredentialsError)register_feature_id)percent_encode_sequencec                   @   z   e Zd ZdZg dZejjjZ	dZ
dZdd Zdd Zdd Zd	d
 Zdd Zdd Zdd Zdd Zdd Zdd ZdS )CrtSigV4AuthTAuthorizationz
X-Amz-DateX-Amz-Content-SHA256zX-Amz-Security-Tokenc                 C      || _ || _|| _d | _d S Ncredentials_service_name_region_name_expiration_in_secondsselfr   service_nameregion_name r"   W/var/www/html/karishye-ai-python/venv/lib/python3.10/site-packages/botocore/crt/auth.py__init__1      
zCrtSigV4Auth.__init__c                 C   0   |j di }|d}t|to|ddkS Nchecksumrequest_algorithmintrailercontextget
isinstancedictr   requestchecksum_context	algorithmr"   r"   r#   _is_streaming_checksum_payload7      
z+CrtSigV4Auth._is_streaming_checksum_payloadc           
      C   s  | j d u rt tdd}| |}| | tjjj| j j	| j j
| j jd}| |r/t}n| |r<|r9|}nd }nt}| |rItjjj}ntjjj}tjjtjjj| j|| j| j|| j| j| j||| jd}| |}tj||}	|	   | !|| d S )NFremove_tzinfoaccess_key_idsecret_access_keysession_tokenr4   signature_typecredentials_providerregionservicedateshould_sign_headeruse_double_uri_encodeshould_normalize_uri_pathsigned_body_valuesigned_body_header_typeexpiration_in_seconds)"r   r   r   _get_existing_sha256_modify_request_before_signingr
   authAwsCredentialsProvider
new_static
access_key
secret_keytokenr5   r   _should_sha256_sign_payloadr   !_should_add_content_sha256_headerAwsSignedBodyHeaderTypeX_AMZ_CONTENT_SHA_256NONEAwsSigningConfigAwsSigningAlgorithmV4_SIGNATURE_TYPEr   r   _should_sign_header_USE_DOUBLE_URI_ENCODE_SHOULD_NORMALIZE_URI_PATHr   _crt_request_from_aws_requestaws_sign_requestresult_apply_signing_changes
r   r2   datetime_nowexisting_sha256r?   explicit_payloadbody_headersigning_configcrt_requestfuturer"   r"   r#   add_auth<   sN   








zCrtSigV4Auth.add_authc           
      C      t |j}|jr|jnd}|jr4g }|j D ]\}}t|}|| d|  q|d d| }n|jr?| d|j }t	j
|j }d }|jr\t|jdrW|j}nt|j}t	j
j|j|||d}	|	S N/=?&seek)methodpathheadersbody_streamr   urlrr   paramsitemsstrappendjoinqueryr
   httpHttpHeadersrs   bodyhasattrr   HttpRequestrq   
r   aws_request	url_partscrt_patharrayparamvaluecrt_headerscrt_body_streamrg   r"   r"   r#   r]   q   .   

z*CrtSigV4Auth._crt_request_from_aws_requestc                 C      t t|j|_d S r   r	   
from_pairslistrs   r   r   signed_crt_requestr"   r"   r#   r`         
z#CrtSigV4Auth._apply_signing_changesc                 K      |  tvS r   lowerr   r   namekwargsr"   r"   r#   rZ         z CrtSigV4Auth._should_sign_headerc                 C   @   | j D ]}||jv r|j|= qd|jvrt|j|jd< d S d S Nhost_PRESIGNED_HEADERS_BLOCKLISTrs   r   rv   r   r2   hr"   r"   r#   rJ         


z+CrtSigV4Auth._modify_request_before_signingc                 C      |j dS Nr   rs   r.   r   r2   r"   r"   r#   rI      r   z!CrtSigV4Auth._get_existing_sha256c                 C      |j dsdS |jddS NhttpsTpayload_signing_enabledrv   
startswithr-   r.   r   r"   r"   r#   rQ         z(CrtSigV4Auth._should_sha256_sign_payloadc                 C      |d uS r   r"   r   rd   r"   r"   r#   rR         z.CrtSigV4Auth._should_add_content_sha256_headerN)__name__
__module____qualname__REQUIRES_REGIONr   r
   rK   AwsSignatureTypeHTTP_REQUEST_HEADERSrY   r[   r\   r$   r5   ri   r]   r`   rZ   rJ   rI   rQ   rR   r"   r"   r"   r#   r   %   s     
5

r   c                       4   e Zd ZdZdZdd Z fddZdd Z  ZS )CrtS3SigV4AuthFc                 C      d S r   r"   r   r"   r"   r#   rI         z#CrtS3SigV4Auth._get_existing_sha256c                    s   |j d}t|dd }|d u ri }|dd }|d ur|S d}|j di }|d}t|tr<|ddkr<|d	 }|jd
rG||jvrIdS |j ddrRdS t 	|S )Nclient_configs3r   Content-MD5r(   r)   r*   headerr   r   Thas_streaming_inputF)
r-   r.   getattrr/   r0   rv   r   rs   superrQ   )r   r2   r   	s3_configsign_payloadchecksum_headerr3   r4   	__class__r"   r#   rQ      s&   


z*CrtS3SigV4Auth._should_sha256_sign_payloadc                 C      dS NTr"   r   r"   r"   r#   rR      r   z0CrtS3SigV4Auth._should_add_content_sha256_header	r   r   r   r[   r\   rI   rQ   rR   __classcell__r"   r"   r   r#   r      s    )r   c                   @   r   )CrtSigV4AsymAuthTr   c                 C   r   r   r   r   r"   r"   r#   r$      r%   zCrtSigV4AsymAuth.__init__c           
      C   s  t d | jd u rt tdd}| |}| | tjjj	| jj
| jj| jjd}| |r3t}n| |r@|r=|}nd }nt}| |rMtjjj}ntjjj}tjjtjjj| j|| j| j|| j| j| j||| jd}| |}tj ||}	|	!  | "|| d S )NSIGV4A_SIGNINGFr7   r9   r=   )#r   r   r   r   rI   rJ   r
   rK   rL   rM   rN   rO   rP   r5   r   rQ   r   rR   rS   rT   rU   rV   rW   V4_ASYMMETRICrY   r   r   rZ   r[   r\   r   r]   r^   r_   r`   ra   r"   r"   r#   ri      sP   








zCrtSigV4AsymAuth.add_authc           
      C   rj   rk   ru   r   r"   r"   r#   r]   3  r   z.CrtSigV4AsymAuth._crt_request_from_aws_requestc                 C   r   r   r   r   r"   r"   r#   r`   Q  r   z'CrtSigV4AsymAuth._apply_signing_changesc                 K   r   r   r   r   r"   r"   r#   rZ   W  r   z$CrtSigV4AsymAuth._should_sign_headerc                 C   r   r   r   r   r"   r"   r#   rJ   Z  r   z/CrtSigV4AsymAuth._modify_request_before_signingc                 C   r   r   r   r   r"   r"   r#   rI   d  r   z%CrtSigV4AsymAuth._get_existing_sha256c                 C   r&   r'   r,   r1   r"   r"   r#   r5   g  r6   z/CrtSigV4AsymAuth._is_streaming_checksum_payloadc                 C   r   r   r   r   r"   r"   r#   rQ   l  r   z,CrtSigV4AsymAuth._should_sha256_sign_payloadc                 C   r   r   r"   r   r"   r"   r#   rR   v  r   z2CrtSigV4AsymAuth._should_add_content_sha256_headerN)r   r   r   r   r   r
   rK   r   r   rY   r[   r\   r$   ri   r]   r`   rZ   rJ   rI   r5   rQ   rR   r"   r"   r"   r#   r      s     
6

r   c                       r   )CrtS3SigV4AsymAuthFc                 C   r   r   r"   r   r"   r"   r#   rI     r   z'CrtS3SigV4AsymAuth._get_existing_sha256c                    st   |j d}t|dd }|d u ri }|dd }|d ur|S |jdr)d|jvr+dS |j ddr4dS t |S )	Nr   r   r   r   r   Tr   F)r-   r.   r   rv   r   rs   r   rQ   )r   r2   r   r   r   r   r"   r#   rQ     s   

z.CrtS3SigV4AsymAuth._should_sha256_sign_payloadc                 C   r   r   r"   r   r"   r"   r#   rR     r   z4CrtS3SigV4AsymAuth._should_add_content_sha256_headerr   r"   r"   r   r#   r   {  s    $r   c                       F   e Zd ZdZejjjZef fdd	Z	 fddZ
 fddZ  ZS )CrtSigV4AsymQueryAuth  c                       t  ||| || _d S r   r   r$   r   r   r   r    r!   expiresr   r"   r#   r$        
zCrtSigV4AsymQueryAuth.__init__c           	         s   t  | |jd}|dkr|jd= t|j}t|jdd}dd | D }|j	r6|
t| d|_	t|}|}|d |d	 |d
 ||d f}t||_d S )Ncontent-type0application/x-www-form-urlencoded; charset=utf-8Tkeep_blank_valuesc                 S      i | ]	\}}||d  qS r   r"   .0kvr"   r"   r#   
<dictcomp>  s    zHCrtSigV4AsymQueryAuth._modify_request_before_signing.<locals>.<dictcomp> r            )r   rJ   rs   r.   r   rv   r   r|   rx   dataupdater   r   r   )	r   r2   content_typer   query_string_parts
query_dictnew_query_stringpnew_url_partsr   r"   r#   rJ     s   
	z4CrtSigV4AsymQueryAuth._modify_request_before_signingc                    L   t  || t|jj}t|j}t|d |d |d ||d f|_d S Nr   r   r   r   r   r`   r   rr   r|   rv   r   r   r   r   signed_queryr   r   r"   r#   r`        
(	z,CrtSigV4AsymQueryAuth._apply_signing_changesr   r   r   DEFAULT_EXPIRESr
   rK   r   HTTP_REQUEST_QUERY_PARAMSrY   r$   rJ   r`   r   r"   r"   r   r#   r     s    
*r   c                   @   (   e Zd ZdZdZdZdd Zdd ZdS )CrtS3SigV4AsymQueryAuthzS3 SigV4A auth using query parameters.
    This signer will sign a request using query parameters and signature
    version 4A, i.e a "presigned url" signer.
    Fc                 C   r   NFr"   r   r"   r"   r#   rQ        z3CrtS3SigV4AsymQueryAuth._should_sha256_sign_payloadc                 C   r   r   r"   r   r"   r"   r#   rR     r   z9CrtS3SigV4AsymQueryAuth._should_add_content_sha256_headerNr   r   r   __doc__r[   r\   rQ   rR   r"   r"   r"   r#   r     s    r   c                       r   )CrtSigV4QueryAuthr   c                    r   r   r   r   r   r"   r#   r$     r   zCrtSigV4QueryAuth.__init__c                    s   t  | |jd}|dkr|jd= t|j}dd t|jdd D }|j	r3|
|j	 i |_	|jr@|
t| d|_t|}|}|d |d	 |d
 ||d f}t||_d S )Nr   r   c                 S   r   r   r"   r   r"   r"   r#   r   !  s    zDCrtSigV4QueryAuth._modify_request_before_signing.<locals>.<dictcomp>Tr   r   r   r   r   r   )r   rJ   rs   r.   r   rv   r   r|   rx   rw   r   r   r   r   r   )r   r2   r   r   r   r   r   r   r   r"   r#   rJ     s*   
	z0CrtSigV4QueryAuth._modify_request_before_signingc                    r   r   r   r   r   r"   r#   r`   B  r   z(CrtSigV4QueryAuth._apply_signing_changesr   r"   r"   r   r#   r     s    
0r   c                   @   r   )CrtS3SigV4QueryAutha  S3 SigV4 auth using query parameters.
    This signer will sign a request using query parameters and signature
    version 4, i.e a "presigned url" signer.
    Based off of:
    http://docs.aws.amazon.com/AmazonS3/latest/API/sigv4-query-string-auth.html
    Fc                 C   r   r   r"   r   r"   r"   r#   rQ   _  r   z/CrtS3SigV4QueryAuth._should_sha256_sign_payloadc                 C   r   r   r"   r   r"   r"   r#   rR   f  r   z5CrtS3SigV4QueryAuth._should_add_content_sha256_headerNr   r"   r"   r"   r#   r   S  s    r   )v4zv4-queryv4as3v4z
s3v4-querys3v4azs3v4a-queryN)ior   botocore.authr   r   r   r   r   r   botocore.compatr	   r
   r   r   r   r   botocore.exceptionsr   botocore.useragentr   botocore.utilsr   r   r   r   r   r   r   r   r   CRT_AUTH_TYPE_MAPSr"   r"   r"   r#   <module>   s0      7 2EK
