U
    ÓZj´7  ã                   @   sº   d Z ddlZddlZddlZddlZddlZddlmZmZm	Z	m
Z
mZmZ G dd„ deƒZG dd„ de	jƒZG dd	„ d	e	jƒZG d
d„ de	jƒZG dd„ deƒZedkr¶ee ¡ ƒ dS )zJSON Web Signature.é    N)Úb64ÚerrorsÚ	json_utilÚjwaÚjwkÚutilc                   @   s,   e Zd ZdZdZedd„ ƒZedd„ ƒZdS )Ú	MediaTypez MediaType field encoder/decoder.zapplication/c                 C   s(   d|kr$d|krt  d¡‚| j| S |S )zDecoder.ú/ú;zUnexpected semi-colon)r   ÚDeserializationErrorÚPREFIX©ÚclsÚvalue© r   úM/var/www/html/TRUCKING_PROJECT/venv/lib/python3.8/site-packages/josepy/jws.pyÚdecode   s
    

zMediaType.decodec                 C   s.   d|kr*|  | j¡st‚|t| jƒd… S |S )zEncoder.r
   N)Ú
startswithr   ÚAssertionErrorÚlenr   r   r   r   Úencode   s    zMediaType.encodeN)Ú__name__Ú
__module__Ú__qualname__Ú__doc__r   Úclassmethodr   r   r   r   r   r   r      s   
	r   c                   @   s  e Zd ZdZejdejjdd�Z	ejddd�Z
ejdejjdd�Zejddd�Zejd	dd�Zejd
ddd�Zejdejdd�Zejdejdd�Zejdejejdd�Zejdejejdd�Zejdddd�Zdd„ Zdd„ Zdd„ Zejdd„ ƒZejdd„ ƒZejdd„ ƒZdS )Ú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`.

    ÚalgT)ÚdecoderÚ	omitemptyÚjku)r   r   ÚkidÚx5uÚx5cr   ©r   ÚdefaultÚx5tzx5t#S256Útyp)Úencoderr   r   ÚctyÚcritc                    s   t ‡ fdd„t ˆ j¡D ƒƒS )z4Fields that would not be omitted in the JSON object.c                 3   s0   | ](\}}|  tˆ |ƒ¡s|tˆ |ƒfV  qd S ©N)ZomitÚgetattr)Ú.0ÚnameÚfield©Úselfr   r   Ú	<genexpr>N   s   þz%Header.not_omitted.<locals>.<genexpr>)ÚdictÚsixÚ	iteritemsÚ_fieldsr0   r   r0   r   Únot_omittedL   s    
ÿzHeader.not_omittedc                 C   s^   t |t| ƒƒs td t|ƒ¡ƒ‚|  ¡ }| ¡ }t|ƒ |¡rFtdƒ‚| |¡ t| ƒf |ŽS )NzHeader cannot be added to: {0}z+Addition of overlapping headers not defined)Ú
isinstanceÚtypeÚ	TypeErrorÚformatr7   ÚsetÚintersectionÚupdate)r1   ÚotherZnot_omitted_selfZnot_omitted_otherr   r   r   Ú__add__R   s    ÿ
zHeader.__add__c                 C   s   | j dkrt d¡‚| j S )zíFind 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   ÚErrorr0   r   r   r   Úfind_key`   s    

zHeader.find_keyc                 C   s   t  d¡‚d S )Nz("crit" is not supported, please subclass)r   r   )Zunused_valuer   r   r   r*   o   s    ÿzHeader.critc                 C   s   dd„ | D ƒS )Nc                 S   s&   g | ]}t  tj tjj|j¡¡‘qS r   )Úbase64Ú	b64encodeÚOpenSSLÚcryptoZdump_certificateÚFILETYPE_ASN1Úwrapped©r-   Úcertr   r   r   Ú
<listcomp>y   s
   ÿ
 ÿzHeader.x5c.<locals>.<listcomp>r   ©r   r   r   r   r#   w   s    ÿz
Header.x5cc              
   C   sJ   zt dd„ | D ƒƒW S  tjjk
rD } zt |¡‚W 5 d }~X Y nX d S )Nc              	   s   s,   | ]$}t  tj tjjt |¡¡¡V  qd S r+   )r   ZComparableX509rE   rF   Zload_certificaterG   rC   Ú	b64decoderI   r   r   r   r2      s
   þ
þzHeader.x5c.<locals>.<genexpr>)ÚtuplerE   rF   rA   r   r   )r   Úerrorr   r   r   r#   |   s    þ
N)r   r   r   r   r   ÚFieldr   ÚJWASignatureÚ	from_jsonr   r    r   ÚJWKr!   r"   r#   Údecode_b64joser&   Zx5tS256r   r   r   r'   r)   r*   r7   r@   rB   r   r(   r   r   r   r   r   &   sN     ÿ  ÿ  ÿ
 ÿ
 ÿ

r   c                       sÐ   e Zd ZdZeZdZejdddd�Z	ejddeƒ ej
d�Zejd	ejejd
�Ze	jdd„ ƒZ	e	jdd„ ƒZ	‡ fdd„Zedd„ ƒZedd„ ƒZddd„Zedeƒ fdd„ƒZ‡ fdd„Ze‡ fdd„ƒZ‡  ZS )Ú	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.

    )ÚcombinedÚ	protectedTÚ r$   Úheader)r   r%   r   Ú	signature)r   r(   c                 C   s   t  |  d¡¡S ©Núutf-8)r   Úencode_b64joser   rL   r   r   r   rW   ›   s    zSignature.protectedc                 C   s   t  | ¡ d¡S r[   )r   rT   r   rL   r   r   r   rW       s    c                    s8   d|kr|   |¡}tt| ƒjf |Ž | jjd k	s4t‚d S )NrV   )Ú_with_combinedÚsuperrU   Ú__init__rV   r   r   )r1   Úkwargs©Ú	__class__r   r   r`   ¤   s    
zSignature.__init__c                 C   sZ   d|kst ‚| d| jd j¡}| d| jd j¡}|rJ|| j |¡ }n|}||d< |S )NrV   rY   rW   )r   Úgetr6   r%   Ú
header_clsÚ
json_loads)r   ra   rY   rW   rV   r   r   r   r^   ª   s    zSignature._with_combinedc                 C   s   t  | d¡¡d t  |¡ S )Nr\   ó   .)r   rD   r   )r   rW   Úpayloadr   r   r   Ú_msg¸   s    ÿzSignature._msgNc                 C   s8   |dkr| j  ¡ n|}| j jj|j| j|  | j|¡d�S )zEVerify.

        :param JWK key: Key used for verification.

        N)ÚkeyÚsigÚmsg)rV   rB   r   Úverifyrj   rZ   ri   rW   )r1   rh   rj   r   r   r   rm   ½   s     þzSignature.verifyc                 K   sÂ   t ||jƒst‚|}||d< |r,| ¡ |d< t|ƒ | jj¡sBt‚| | jj¡sTt‚i }|D ]}	|	|kr\| |	¡||	< q\|rŽ| jf |Ž 	¡ }
nd}
| jf |Ž}	| 
|j|  |
|¡¡}| |
|	|d�S )z;Sign.

        :param JWK key: Key for signature.

        r   r   rX   )rW   rY   rZ   )r8   Úktyr   Ú
public_keyr<   Úissubsetre   r6   ÚpopZ
json_dumpsÚsignrj   ri   )r   rh   rj   r   Zinclude_jwkÚprotectra   Zheader_paramsZprotected_paramsrY   rW   rZ   r   r   r   rr   È   s"    zSignature.signc                    s$   t t| ƒ ¡ }|d  ¡ s |d= |S )NrY   )r_   rU   Úfields_to_partial_jsonr7   )r1   Úfieldsrb   r   r   rt   é   s    z Signature.fields_to_partial_jsonc                    s8   t t| ƒ |¡}|  |¡}d|d  ¡ kr4t d¡‚|S )Nr   rV   zalg not present)r_   rU   Úfields_from_jsonr^   r7   r   r   )r   Újobjru   Zfields_with_combinedrb   r   r   rv   ï   s
    

zSignature.fields_from_json)N)r   r   r   r   r   re   Ú	__slots__r   rP   rW   rR   rY   rT   r]   rZ   r(   r   r`   r   r^   ri   rm   Ú	frozensetrr   rt   rv   Ú__classcell__r   r   rb   r   rU   †   s@   	  þ þ




ÿ rU   c                   @   sd   e Zd ZdZdZeZddd„Zedd„ ƒZ	e
dd	„ ƒZd
d„ Zedd„ ƒZddd„Zedd„ ƒZdS )ÚJWSzgJSON Web Signature.

    :ivar str payload: JWS Payload.
    :ivar str signature: JWS Signatures.

    ©rh   Ú
signaturesNc                    s   t ‡ ‡fdd„ˆjD ƒƒS )úVerify.c                 3   s   | ]}|  ˆjˆ ¡V  qd S r+   )rm   rh   ©r-   rk   ©rj   r1   r   r   r2     s     zJWS.verify.<locals>.<genexpr>)Úallr}   )r1   rj   r   r€   r   rm     s    z
JWS.verifyc                 K   s    | || j jf d|i|—Žfd�S )úSign.rh   r|   )Úsignature_clsrr   )r   rh   ra   r   r   r   rr     s    ÿzJWS.signc                 C   s   t | jƒdkst‚| jd S )zPGet a singleton signature.

        :rtype: :class:`JWS.signature_cls`

        é   r   )r   r}   r   r0   r   r   r   rZ     s    zJWS.signaturec                 C   s\   t | jƒdkst‚d| jj ¡ ks&t‚t | jj 	d¡¡d t | j
¡ d t | jj¡ S )z7Compact serialization.

        :rtype: bytes

        r„   r   r\   rg   )r   r}   r   rZ   rY   r7   r   rD   rW   r   rh   r0   r   r   r   Ú
to_compact  s    ÿ
þýüÿzJWS.to_compactc                 C   sh   z|  d¡\}}}W n tk
r2   t d¡‚Y nX | jt |¡ d¡t |¡d�}| t |¡|fd�S )zACompact deserialization.

        :param bytes compact:

        rg   zOCompact JWS serialization should comprise of exactly 3 dot-separated componentsr\   )rW   rZ   r|   )ÚsplitÚ
ValueErrorr   r   rƒ   r   rM   r   )r   ÚcompactrW   rh   rZ   rk   r   r   r   Úfrom_compact)  s    ÿ
þzJWS.from_compactTc                 C   sR   | j s
t‚t | j¡}|rBt| j ƒdkrB| j d  ¡ }||d< |S || j dœS d S )Nr„   r   rh   r|   )r}   r   r   r]   rh   r   Úto_partial_json)r1   Zflatrh   Úretr   r   r   rŠ   <  s    
þzJWS.to_partial_jsonc                    sv   d|krd|krt  d¡‚nVd|krFˆ t | d¡¡ˆ j |¡fd�S ˆ t |d ¡t‡ fdd„|d D ƒƒd�S d S )NrZ   r}   zFlat mixed with non-flatrh   r|   c                 3   s   | ]}ˆ j  |¡V  qd S r+   )rƒ   rR   r   ©r   r   r   r2   S  s   ÿz JWS.from_json.<locals>.<genexpr>)r   r   r   rT   rq   rƒ   rR   rN   )r   rw   r   rŒ   r   rR   J  s    ÿÿÿzJWS.from_json)N)T)r   r   r   r   rx   rU   rƒ   rm   r   rr   ÚpropertyrZ   r…   r‰   rŠ   rR   r   r   r   r   r{   ø   s   


	

r{   c                   @   sZ   e Zd ZdZedd„ ƒZedd„ ƒZedd„ ƒZedd	„ ƒZed
d„ ƒZ	eddd„ƒZ
dS )ÚCLIzJWS CLI.c                 C   s’   |j j |j ¡ ¡}|j ¡  |jdkr.g |_|jr@|j d¡ t	j
tj ¡  ¡ ||j t|jƒd�}|jr€t | ¡  d¡¡ nt | ¡ ¡ dS )r‚   Nr   )rh   rj   r   rs   r\   )r   rn   Úloadrj   ÚreadÚclosers   rˆ   Úappendr{   rr   ÚsysÚstdinr   r<   r4   Úprint_r…   r   Zjson_dumps_pretty)r   Úargsrj   rk   r   r   r   rr   Z  s    

ÿzCLI.signc              
   C   sÀ   |j rt tj ¡  ¡ ¡}nJzt tj ¡ ¡}W n4 tj	k
rd } zt
 |¡ W Y ¢dS d}~X Y nX |jdk	r |jdk	s~t‚|j |j ¡ ¡ ¡ }|j ¡  nd}tj |j¡ |j|d� S )r~   éÿÿÿÿN)rj   )rˆ   r{   r‰   r“   r”   r�   r   rf   r   rA   r4   r•   rj   rn   r   r�   ro   r‘   ÚstdoutÚwriterh   rm   )r   r–   rk   rO   rj   r   r   r   rm   l  s    

z
CLI.verifyc                 C   s   t j |¡S r+   )r   rQ   rR   ©r   Úargr   r   r   Ú	_alg_type‚  s    zCLI._alg_typec                 C   s   |t jjkst‚|S r+   )rU   re   r6   r   rš   r   r   r   Ú_header_type†  s    zCLI._header_typec                 C   s   |t jjkst‚t jj| S r+   )r   rS   ÚTYPESr   rš   r   r   r   Ú	_kty_type‹  s    zCLI._kty_typeNc                 C   sä   |dkrt jdd… }t ¡ }|jddd� | ¡ }| d¡}|j| jd� |jdd	t 	d
¡dd� |jdd| j
tjd� |jddd| jd� | d¡}|j| jd� |jdd	t 	d
¡dd� |jd| jdd� | |¡}| |¡S )z Parse arguments and sign/verify.Nr„   z	--compactÚ
store_true)Úactionrr   )Úfuncz-kz--keyÚrbT)r9   Úrequiredz-az--alg)r9   r%   z-pz	--protectr’   )r¡   r9   rm   Fz--kty)r“   ÚargvÚargparseÚArgumentParserÚadd_argumentÚadd_subparsersÚ
add_parserÚset_defaultsrr   ÚFileTyperœ   r   ZRS256r�   rm   rŸ   Ú
parse_argsr¢   )r   r–   ÚparserZ
subparsersZparser_signZparser_verifyÚparsedr   r   r   Úrun�  sP    
   ÿ   ÿ   ÿ
   ÿ  ÿ
zCLI.run)N)r   r   r   r   r   rr   rm   rœ   r�   rŸ   r°   r   r   r   r   rŽ   W  s   




rŽ   Ú__main__)r   r¦   rC   r“   rE   r4   Zjosepyr   r   r   r   r   r   Úobjectr   ZJSONObjectWithFieldsr   rU   r{   rŽ   r   Úexitr°   r   r   r   r   Ú<module>   s    `r_V