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httpchecksum.cpython-312.pyc
Pe? R d Z ddlZddlZddlZddlmZ ddlmZmZ ddl m Z ddl m Z m Z mZ ddlmZ ddlmZmZ e rdd lmZ ndZ ej. e Z G d d Z G d d e Z G d de Z G d de Z G d de Z G d de Z G d d Z G d de Z!d Z" d)dZ#d Z$d Z%d Z& d)d Z'd Z(d! Z)d" Z*ee e d#Z+d$d%gZ,e r5e e d&Z-e+j] e- e/d' e-ja D sJ e1e+ja Z2g d(Z3y)*aC The interfaces in this module are not intended for public use. This module defines interfaces for applying checksums to HTTP requests within the context of botocore. This involves both resolving the checksum to be used based on client configuration and environment, as well as application of the checksum to the request. N)crc32)sha1sha256)HAS_CRT)AwsChunkedWrapperErrorFlexibleChecksumErrorMissingDependencyException) StreamingBody)conditionally_calculate_md5determine_content_length) checksumsc . e Zd ZdZd Zd Zd Zd Zd Zy) BaseChecksum c y N selfchunks 7/usr/lib/python3/dist-packages/botocore/httpchecksum.pyupdatezBaseChecksum.update2 c y r r r s r digestzBaseChecksum.digest5 r r c j | j }t j | j d S )Nascii)r base64 b64encodedecode)r bss r b64digestzBaseChecksum.b64digest8 s) [[] #**733r c j }t fdd D ] } j | j | y )Nc : j j S r )read _CHUNK_SIZE)fileobjr s r <lambda>z.BaseChecksum._handle_fileobj.<locals>.<lambda>> s ',,t/?/?"@r r )telliterr seek)r r) start_positionr s `` r _handle_fileobjz BaseChecksum._handle_fileobj< s9 @#FE KK G ^$r c t |t t f r!| j | | j S | j | | j S r ) isinstancebytes bytearrayr r/ r$ )r bodys r handlezBaseChecksum.handleB sI dUI . / KK ~~ &~~ r N) __name__ __module__ __qualname__r( r r r$ r/ r5 r r r r r / s K 4% r r c e Zd Zd Zd Zd Zy) Crc32Checksumc d| _ y Nr _int_crc32r s r __init__zCrc32Checksum.__init__K r c @ t || j dz | _ y Nl )r r> r s r r zCrc32Checksum.updateN s t7*Dr c < | j j dd S N big) byteorderr> to_bytesr s r r zCrc32Checksum.digestQ ''U';;r Nr6 r7 r8 r? r r r r r r: r: J s E<r r: c e Zd Zd Zd Zd Zy)CrtCrc32Checksumc d| _ y r< r= r s r r? zCrtCrc32Checksum.__init__W r@ r c X t j || j }|dz | _ y rB ) crt_checksumsr r> r r new_checksums r r zCrtCrc32Checksum.updateZ s$ $**5$//B &3r c < | j j dd S rD rH r s r r zCrtCrc32Checksum.digest^ rJ r NrK r r r rM rM U s 4<r rM c e Zd Zd Zd Zd Zy)CrtCrc32cChecksumc d| _ y r< ) _int_crc32cr s r r? zCrtCrc32cChecksum.__init__d s r c X t j || j }|dz | _ y rB )rP crc32crW rQ s r r zCrtCrc32cChecksum.updateg s' $++E43C3CD '*4r c < | j j dd S rD )rW rI r s r r zCrtCrc32cChecksum.digestk s ((e(<<r NrK r r r rU rU b s 5=r rU c e Zd Zd Zd Zd Zy) Sha1Checksumc " t | _ y r )r _checksumr s r r? zSha1Checksum.__init__p s r c : | j j | y r r^ r r s r r zSha1Checksum.updates e$r c 6 | j j S r r^ r r s r r zSha1Checksum.digestv ~~$$&&r NrK r r r r\ r\ o s %'r r\ c e Zd Zd Zd Zd Zy)Sha256Checksumc " t | _ y r )r r^ r s r r? zSha256Checksum.__init__{ s r c : | j j | y r r` r s r r zSha256Checksum.update~ ra r c 6 | j j S r rc r s r r zSha256Checksum.digest rd r NrK r r r rf rf z s "%'r rf c @ e Zd ZdZ d dZd Zd dZd dZd Zd Z y) AwsChunkedWrapperr Nc x || _ || _ || _ | j | | j }|| _ y r )_raw_checksum_name _checksum_cls_reset_DEFAULT_CHUNK_SIZE _chunk_size)r raw checksum_cls checksum_name chunk_sizes r r? zAwsChunkedWrapper.__init__ s= + ) 11J%r c r d| _ d| _ d | _ | j r| j | _ y y )Nr F) _remaining _completer^ ro r s r rp zAwsChunkedWrapper._reset s5 ! / / 1DN r c |dk7 s|dk7 r t d | j | j j d y )Nr z Can only seek to start of stream error_msg)r rp rm r- )r offsetwhences r r- zAwsChunkedWrapper.seek s: Q;&A+(< qr c ||dk rd }| j r | j sy|d u xs |t | j kD }| j sR|rP| xj | j z c_ |d u xs |t | j kD }| j s|rP|t | j }| j d | }| j |d | _ |S )Nr r )ry rx len _make_chunk)r sizewant_more_bytes to_returns r r' zAwsChunkedWrapper.read s D >>$// $,E$T__1E*E.._ OOt / / 1 1O "dl IdS 5I.IO .._ <t'D OOET* //$%0r c | j j | j }t t | dd j d }| | _ | j r| j j | | j rW| j rK| j j d }| j j j d }d||fz S d||fz S )N r s 0 %s:%s s %s %s ) rm r' rr hexr encodery r^ r rn r$ )r raw_chunkhex_lennamechecksums r r z AwsChunkedWrapper._make_chunk s IINN4#3#34 c)n%ab)009 & >> NN ! !) , >>dnn&&--g6D~~//188AH(D(+;; ; '9!555r c # d K | j s | j | j s y y wr )ry r r s r __iter__zAwsChunkedWrapper.__iter__ s% ..""$ $ ..s +00)Nzx-amz-checksumN)r r ) r6 r7 r8 rq r? rp r- r' r r r r r rk rk s1 % & & 226$%r rk c 0 e Zd Z fdZd fd Zd Z xZS )StreamingChecksumBodyc B t | || || _ || _ y r )superr? r^ _expected)r raw_streamcontent_lengthr expected __class__s r r? z StreamingChecksumBody.__init__ s ^4!!r c t | | }| j j | ||s|dkD r| j |S )N)amtr )r r' r^ r _validate_checksum)r r r r s r r' zStreamingChecksumBody.read sC % e$ ;uq # # % r c | j j t j | j k7 r6d| j d| j j }t | y )NExpected checksum $ did not match calculated checksum: r{ )r^ r r b64decoder r$ r )r r| s r r z(StreamingChecksumBody._validate_checksum sg >> "f&6&6t~~&F F$T^^$4 5 !^^ 5 5 7 8: ()< < Gr r )r6 r7 r8 r? r' r __classcell__)r s @r r r s " =r r c 8 t | || t | || y r )"resolve_request_checksum_algorithm$resolve_response_checksum_algorithms)requestoperation_modelparamss r resolve_checksum_contextr s &wH(/6Jr c 4 |j }|j d }|r||v r|t }|| j }||vr;t s&|t v r t d|j d t d|z d}|j r| d j d rd }||d |z d }|d | d v ry | d j di } || d< | | d d< y |j s|j d r#| d j di } d| d< | | d d< y y )NrequestAlgorithmMemberzUsing za requires an additional dependency. You will need to pip install botocore[crt] before proceeding.)msgz"Unsupported checksum algorithm: %sr{ headerurlzhttps:trailerx-amz-checksum-%s) algorithminr r headerscontextr request_algorithmrequestChecksumRequiredconditional-md5) http_checksumget _SUPPORTED_CHECKSUM_ALGORITHMSlowerr _CRT_CHECKSUM_ALGORITHMSr upperr has_streaming_input startswithhttp_checksum_required) r r r supported_algorithmsr algorithm_memberalgorithm_name location_typer checksum_contexts r r r s~ $11M$(()AB , 6 '#A 01779 !5 5~1I I0 !5!5!7 8 9; ; (> O ! . .u~((2 !* ( '.8 V 2 2 "9-11*bA09,-)9 :& / /=3D3D!4 #9-11*bA0A,-)9 :& 4r c | j di j di }|j d }|sy |dk( r t | y |d dk( r t | y |d dk( r t | y t d|d z ) Nr r r r r r r z Unknown checksum variant: %sr{ )r r _apply_request_header_checksum _apply_request_trailer_checksumr )r r r s r apply_request_checksumr , s {{9b155j"E $$%89I %%#G, 4 H $&w/ 4 I %'0#4yF r c | j di j di }|j d }|d }|| d v ry t j |d } | j | d }|| d |< y )Nr r r r r r r4 )r _CHECKSUM_CLSr5 )r r r location_namert r s r r r @ s {{9b155j"E $$%89I f%M ** $$Y{%;<L ^ " "76? 3F(.GI}%r c | j di j di }|j d }|d }t j |d }| d }| d }||v ry d|d < d |v r|d xx d z cc< nd |d < ||d < t | }|t | |d< t |t t f rt j | }t ||| | d< y )Nr r r r r r r4 chunkedzTransfer-EncodingzContent-Encodingz ,aws-chunkedz aws-chunkedz X-Amz-Trailerz X-Amz-Decoded-Content-Length)rt ru ) r r r strr1 r2 r3 ioBytesIOrk )r r r r rt r r4 r s r r r L s {{9b155j"E $$%89I f%M $$Y{%;<Li G 6?D #,G W$ "#~5#&3"# ,GO -d3N! 36n2E./$ *+zz$ ' !#GFOr c V |j }|j d }|r||v r|t }|j dg D ch c] }|j }}g }t D ] } | |vr| |v s |j | | d j di } || d< | | d d< y y y c c}w )NrequestValidationModeMemberresponseAlgorithmsr r response_algorithms)r r r r _ALGORITHMS_PRIORITY_LISTappend) r r r r r mode_memberar usable_algorithmsr r s r r r r s $11M ##$ABK{f, '#A , 0 01Er J J!AGGI J 2I 33 00!((3 3 #9-11*bA2C./)9 :&! -{ s B&c ^ |d }|j di }|j d }|sy |D ]d }d|z }||vr d|| v r|j rt | || |d< nt | || |d< |d j di }||d< ||d d< y t j d | d y ) Nr r r r -r4 r response_algorithmzXSkipping checksum validation. Response did not contain one of the following algorithms: .)r has_streaming_output_handle_streaming_response_handle_bytes_responseloggerinfo) http_responseresponser r r r algorithmsr header_names r handle_checksum_bodyr s y!G {{:r2!%%&;<J )I5 g % '+& & / / 9 x HV 6 x HV $I.22:rB1:-.*:J'3 6 KK !!+ A /r c t j | }d|z }t | j |d j d | |d | S )Nr r zcontent-length)r r r rs )r r r rt r s r r r sX $$Y/L% 1K 01K( r c " | j }d|z }t j | } | }|j | |d | }|j t j | k7 r"d|d|j }t | |S )Nr r r r r{ ) contentr r r r r r r$ r ) r r r r4 r rt r r r| s r r r s D% 1K $$Y/L~H OOD ";/HF , ,X 66 ""$ $i88 Kr )r r r r rY )r rY c # , K | ] }|t v y wr )r ).0r s r <genexpr>r s 5MT((5Ms )rY r r r r )4__doc__r r loggingbinasciir hashlibr r botocore.compatr botocore.exceptionsr r r botocore.responser botocore.utilsr r awscrtr rP getLoggerr6 r r r: rM rU r\ rf rk r r r r r r r r r r r r _CRT_CHECKSUM_CLSr allkeyslistr r r r r <module>r ss # , 1M 8 $ 6<L < <| < = ='< ''\ 'O% O%d=M =,K 7:t ( /#N <@:0&R( $X. "# *+ 5F5K5K5M "&m&8&8&:!; A r