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a �Bg�< � @ s� d Z ddlZddlZddlZddlmZmZmZmZm Z m Z m Z m Z m Z ddlmZ ddlZddlmZmZmZmZ ddlmZ ddlmZ G dd � d �ZG d d � d ej�ZG d d � d ej�ZG dd� dej�Z G dd� d�Z e dkr�e e � � � dS )zJSON Web Signature.� N) �Any�Dict� FrozenSet�List�Mapping�Optional�Tuple�Type�cast)�crypto)�b64�errors� json_util�jwa)�jwk)�utilc @ s< e Zd ZdZdZeeed�dd��Zeeed�dd��ZdS ) � MediaTypez MediaType field encoder/decoder.z application/��value�returnc C s( d|vr$d|v rt �d��| j| S |S )zDecoder.�/�;zUnexpected semi-colon)r �DeserializationError�PREFIX��clsr � r �./usr/lib/python3.9/site-packages/josepy/jws.py�decode s zMediaType.decodec C s. d|vr*|� | j�sJ �|t| j�d� S |S )zEncoder.r N)� startswithr �lenr r r r �encode) s zMediaType.encodeN) �__name__� __module__� __qualname__�__doc__r � classmethod�strr r! r r r r r s r c @ s� e Zd ZU dZejdejjdd�Z e ej e d< ejddd�Z e e e d< ejdejjdd�Ze ej e d< ejddd�Ze e e d< ejd dd�Ze e e d < ejd dd d �Zeejd f e d < ejdejdd�Ze e e d< ejdejdd�Ze e e d< ejdej ej dd�Z e e e d< ejdej ej dd�Z e e e d< ejddd d �Z ee!d f e d< e"eej#f e d< e"eej#f d�dd�Z$e!d d�dd�Z%e&jd�d d �Z'e j(e!e!d �d d ��Z ej)d!d"� �Zej(d#d"� �Zd$S )%�Headera6 JOSE Header. .. warning:: This class supports **only** Registered Header Parameter Names (as defined in section 4.1 of the protocol). If you need Public Header Parameter Names (4.2) or Private Header Parameter Names (4.3), you must subclass and override :meth:`from_json` and :meth:`to_partial_json` appropriately. .. warning:: This class does not support any extensions through the "crit" (Critical) Header Parameter (4.1.11) and as a conforming implementation, :meth:`from_json` treats its occurrence as an error. Please subclass if you seek for a different behaviour. :ivar x5tS256: "x5t#S256" :ivar str typ: MIME Media Type, inc. :const:`MediaType.PREFIX`. :ivar str cty: Content-Type, inc. :const:`MediaType.PREFIX`. �algT)�decoder� omitempty�jku)r+ r �kid�x5u�x5cr �r+ �default.�x5tzx5t#S256�x5tS256�typ)�encoderr* r+ �cty�crit�_fields�r c s � fdd�� j �� D �S )z4Fields that would not be omitted in the JSON object.c s, i | ]$\}}|� t� |��s|t� |��qS r )Zomit�getattr)�.0�name�field��selfr r � <dictcomp>b s �z&Header.not_omitted.<locals>.<dictcomp>)r8 �itemsr> r r> r � not_omitted` s �zHeader.not_omitted)�otherr c C sb t |t| ��s td�t|����| �� }|�� }t|��|�rFtd��|�|� t| �f i |��S )Nz Header cannot be added to: {0}z+Addition of overlapping headers not defined)� isinstance�type� TypeError�formatrB �set� intersection�update)r? rC Znot_omitted_selfZnot_omitted_otherr r r �__add__h s zHeader.__add__c C s | j du rt�d��| j S )z�Find key based on header. .. todo:: Supports only "jwk" header parameter lookup. :returns: (Public) key found in the header. :rtype: .JWK :raises josepy.errors.Error: if key could not be found Nz No key found)r r �Errorr> r r r �find_keyu s zHeader.find_key)� unused_valuer c C s t �d��d S )Nz("crit" is not supported, please subclass)r r )rN r r r r7 � s z Header.critc C s dd� | D �S )Nc S s" g | ]}t �t�tj|j���qS r )�base64� b64encoder Zdump_certificate� FILETYPE_ASN1�wrapped�r; Zcertr r r � <listcomp>� s �z Header.x5c.<locals>.<listcomp>r �r r r r r/ � s �z Header.x5cc C sJ zt dd� | D ��W S tjyD } zt�|��W Y d }~n d }~0 0 d S )Nc s s( | ] }t �t�tjt�|���V qd S �N)r �ComparableX509r Zload_certificaterQ rO � b64decoderS r r r � <genexpr>� s ��z Header.x5c.<locals>.<genexpr>)�tupler rL r r )r �errorr r r r/ � s � N)*r" r# r$ r% r r= r � JWASignature� from_jsonr) r �__annotations__r, �bytes�jwk_mod�JWKr r- r' r. r/ r r rW �decode_b64joser2 r3 r r! r r4 r6 r7 r r ZFieldrB rK �josepyrM r* r5 r r r r r( 3 s@ � �" � � � r( c sp e Zd ZU dZeZeed< dZej dddd�Z e ed< ej dde� ej d �Z eed< ej d ejejd �Zeed < e je e d �d d��Z e je e d �dd��Z edd�� fdd� Zeeee ef d�dd��Zee eed�dd��Zd%eeej e d�dd�Z ede � feej ej e e!ed d �d d ��Z"ee ef d �� fd d!� Z#ee$e ef ee ef d"�� fd#d$� �Z%� Z&S )&� Signaturea JWS Signature. :ivar combined: Combined Header (protected and unprotected, :class:`Header`). :ivar unicode protected: JWS protected header (Jose Base-64 decoded). :ivar header: JWS Unprotected Header (:class:`Header`). :ivar str signature: The signature. �combined)re � protectedT� r0 �header)r+ r1 r* � signature)r* r5 r c C s t �| �d��S �N�utf-8)r �encode_b64joser! rU r r r rf � s zSignature.protectedc C s t �| ��d�S rj )r rb r rU r r r rf � s N)�kwargsr c s8 d|vr| � |�}t� jf i |�� | jjd us4J �d S )Nre )�_with_combined�super�__init__re r) )r? rm �� __class__r r rp � s zSignature.__init__c C sZ d|vs J �|� d| jd j�}|� d| jd j�}|rJ|| j�|� }n|}||d< |S )Nre rh rf )�getr8 r1 � header_cls� json_loads)r rm rh rf re r r r rn � s zSignature._with_combined)rf �payloadr c C s t �|�d��d t �|� S )Nrk � .)r rP r! )r rf rv r r r �_msg� s zSignature._msg)rv �keyr c C sJ |du r| j �� n|}| j js(t�d��| j jj|j| j| �| j |�d�S )zvVerify. :param bytes payload: Payload to verify. :param JWK key: Key used for verification. Nz Not signature algorithm defined.)ry �sig�msg) re rM r) rc rL �verifyry ri rx rf )r? rv ry Z actual_keyr r r r| � s �zSignature.verify)rv ry r) � include_jwk�protectrm r c K s� t ||j�sJ �|}||d< |r,|�� |d< t|��| jj�sBJ �|�| jj�sTJ �i }|D ]} | |v r\|�| �|| < q\|r�| jf i |���� } nd} | jf i |��} |� |j | � | |��} | | | | d�S )aD Sign. :param bytes payload: Payload to sign. :param JWK key: Key for signature. :param JWASignature alg: Signature algorithm to use to sign. :param bool include_jwk: If True, insert the JWK inside the signature headers. :param FrozenSet protect: List of headers to protect. r) r rg )rf rh ri ) rD �kty� public_keyrH �issubsetrt r8 �popZ json_dumps�signry rx ) r rv ry r) r} r~ rm Z header_paramsZprotected_paramsrh rf ri r r r r� � s" zSignature.signr9 c s t � �� }|d �� s |d= |S )Nrh )ro �fields_to_partial_jsonrB )r? �fieldsrq r r r� s z Signature.fields_to_partial_json��jobjr c s4 t � �|�}| �|�}d|d �� vr0t�d��|S )Nr) re zalg not present)ro �fields_from_jsonrn rB r r )r r� r� Zfields_with_combinedrq r r r� s zSignature.fields_from_json)N)'r" r# r$ r% r( rt r^ � __slots__r r= rf r' r] rh rb rl ri r_ r5 r* r rp r& r rn rx r rc ra �boolr| � frozensetr\ r r� r� r r� � __classcell__r r rq r rd � sH � � ��*rd c @ s� e Zd ZU dZdZeed< ee ed< eZ de e j e d�dd�Zeeed d �d d ��Zeed �d d��Zed �dd�Zeed d�dd��Zd e eeef d�dd�Zeeeef d d�dd��ZdS ) �JWSzgJSON Web Signature. :ivar str payload: JWS Payload. :ivar str signature: JWS Signatures. �rv � signaturesrv r� N)ry r c s t � �fdd��jD ��S )�Verify.c 3 s | ]}|� �j� �V qd S rV )r| rv �r; rz �ry r? r r rY . � z JWS.verify.<locals>.<genexpr>)�allr� )r? ry r r� r r| , s z JWS.verify)rv rm r c K s | || j jf d|i|��fd�S )�Sign.rv r� )� signature_clsr� )r rv rm r r r r� 0 s zJWS.signr9 c C s t | j�dksJ �| jd S )zPGet a singleton signature. :rtype: :class:`JWS.signature_cls` � r )r r� r> r r r ri 5 s z JWS.signaturec C s\ t | j�dksJ �d| jj�� vs&J �t�| jj�d��d t�| j � d t�| jj� S )z7Compact serialization. :rtype: bytes r� r) rk rw ) r r� ri rh rB r rP rf r! rv r> r r r � to_compact? s � �� ��zJWS.to_compact)�compactr c C sf z|� d�\}}}W n ty0 t�d��Y n0 | jt�|��d�t�|�d�}| t�|�|fd�S )zACompact deserialization. :param bytes compact: rw zOCompact JWS serialization should comprise of exactly 3 dot-separated componentsrk )rf ri r� )�split� ValueErrorr r r� r rX r )r r� rf rv ri rz r r r � from_compactR s � �zJWS.from_compactT)�flatr c C sR | j s J �t�| j�}|rBt| j �dkrB| j d �� }||d< |S || j d�S d S )Nr� r rv r� )r� r rl rv r �to_partial_json)r? r� rv �retr r r r� e s �zJWS.to_partial_jsonr� c s� d|v r d|v r t �d��nfd|v rVdd� |�� D �}� t�|d �� j�|�fd�S � t�|d �t� fdd �|d D ��d�S d S ) Nri r� zFlat mixed with non-flatc S s i | ]\}}|d kr||�qS )rv r )r; ry r r r r r@ x r� z!JWS.from_json.<locals>.<dictcomp>rv r� c 3 s | ]}� j �|�V qd S rV )r� r] r� �r r r rY � r� z JWS.from_json.<locals>.<genexpr>)r r rA r rb r� r] rZ )r r� Zfilteredr r� r r] s s � �z JWS.from_json)N)T)r" r# r$ r% r� r_ r^ r rd r� r rc ra r� r| r& r r� �propertyri r� r� r r' r� r r] r r r r r� s r� c @ s� e Zd ZdZeejdd�dd��Zeejed�dd��Z ee e j d�d d ��Z ee e d�d d ��Zee eej d�d d��Zedeee ee d�dd��ZdS )�CLIzJWS CLI.N)�argsr c C s� |j j�|j�� �}|j�� |jdu r.g |_|jr@|j�d� t j t j �� � � ||j t|j�d�}|jr~t|�� �d�� n t|�� � dS )r� Nr) )rv ry r) r~ rk )r) r �loadry �read�closer~ r� �appendr� r� �sys�stdinr! rH �printr� r Zjson_dumps_pretty)r r� ry rz r r r r� � s �zCLI.signc C s� |j r t�tj�� �� �}nLzttt�tj�� ��}W n0 t j yf } zt |� W Y d}~dS d}~0 0 |j dur�|j dus�J �|j �|j �� ��� }|j �� nd}tj�|j�� � |j|d� S )r� NF)ry )r� r� r� r� r� r� r! r ru r rL r� ry r r� r� r� �stdout�writerv r r| )r r� rz r[ ry r r r r| � s z CLI.verify)�argr c C s t j�|�S rV )r r\ r] �r r� r r r � _alg_type� s z CLI._alg_typec C s |t jjv sJ �|S rV )rd rt r8 r� r r r � _header_type� s zCLI._header_typec C s |t jjv sJ �t jj| S rV )r` ra ZTYPESr� r r r � _kty_type� s z CLI._kty_typec C s� |du rt jdd� }t�� }|jddd� |�� }|�d�}|j| jd� |jdd t� d �d d � |jd d| j t j d� |jddd| j d� |�d�}|j| jd� |jdd t� d �dd � |jd| jdd � |�|�}|�|�S )z Parse arguments and sign/verify.Nr� z --compact� store_true)�actionr� )�funcz-kz--key�rbT)rE �requiredz-az--alg)rE r1 z-pz --protectr� )r� rE r| Fz--kty)r� �argv�argparse�ArgumentParser� add_argument�add_subparsers� add_parser� set_defaultsr� �FileTyper� r ZRS256r� r| r� � parse_argsr� )r r� �parserZ subparsersZ parser_signZ parser_verify�parsedr r r �run� s zCLI.run)N)r" r# r$ r% r& r� � Namespacer� r� r| r r r\ r� r� r r` ra r� r r r' r� r r r r r� � s r� �__main__)!r% r� rO r� �typingr r r r r r r r r ZOpenSSLr rc r r r r r r` r r ZJSONObjectWithFieldsr( rd r� r� r" �exitr� r r r r �<module> s" , k fR
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