Edit File: jws.cpython-36.pyc
3 �}:aY7 � @ s� d Z ddlZddlZddlZddlZddlmZmZmZm Z m Z m Z G dd� d�Z G dd� dej �ZG dd � d ej �ZG d d � d ej �ZG d d � d �Zedkr�eej� � dS )zJSON Web Signature.� N)�b64�errors� json_util�jwa�jwk�utilc @ s, e Zd ZdZdZedd� �Zedd� �ZdS )� MediaTypez MediaType field encoder/decoder.z application/c C s( d|kr$d|krt jd��| j| S |S )zDecoder.�/�;zUnexpected semi-colon)r �DeserializationError�PREFIX)�cls�value� r �/usr/lib/python3.6/jws.py�decode s zMediaType.decodec C s. d|kr*|j | j�st�|t| j�d� S |S )zEncoder.r N)� startswithr �AssertionError�len)r r r r r �encode s zMediaType.encodeN)�__name__� __module__� __qualname__�__doc__r � classmethodr r r r r r r s r c @ s e Zd ZdZejdejjdd�Z ejddd�Z ejde j jdd�Z ejddd�Z ejd dd�Zejd df d �Zejd ejdd�Zejd ejdd�Zejdejejdd�Zejdejejdd�Zejddf d �Zdd� Zdd� Zdd� Zej dd� �Zej dd� �Zej d d� �Zd S ) �Headera6 JOSE Header. .. warning:: This class supports **only** Registered Header Parameter Names (as defined in section 4.1 of the protocol). If you need Public Header Parameter Names (4.2) or Private Header Parameter Names (4.3), you must subclass and override :meth:`from_json` and :meth:`to_partial_json` appropriately. .. warning:: This class does not support any extensions through the "crit" (Critical) Header Parameter (4.1.11) and as a conforming implementation, :meth:`from_json` treats its occurrence as an error. Please subclass if you seek for a different behaviour. :ivar x5tS256: "x5t#S256" :ivar str typ: MIME Media Type, inc. :const:`MediaType.PREFIX`. :ivar str cty: Content-Type, inc. :const:`MediaType.PREFIX`. �algT)�decoder� omitempty�jku)r r �kid�x5u�x5c)r �default�x5tzx5t#S256�typ)�encoderr r �cty�critc s � fdd�� j j� D �S )z4Fields that would not be omitted in the JSON object.c s, i | ]$\}}|j t� |��st� |�|�qS r )Zomit�getattr)�.0�nameZfield)�selfr r � <dictcomp>M s z&Header.not_omitted.<locals>.<dictcomp>)�_fields�items)r, r )r, r � not_omittedK s zHeader.not_omittedc C s^ t |t| ��s tdjt|����| j� }|j� }t|�j|�rFtd��|j|� t| �f |�S )Nz Header cannot be added to: {0}z+Addition of overlapping headers not defined)� isinstance�type� TypeError�formatr0 �set� intersection�update)r, �otherZnot_omitted_selfZnot_omitted_otherr r r �__add__Q s zHeader.__add__c C s | j dkrtjd��| 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 �Error)r, r r r �find_key_ s zHeader.find_keyc C s t jd��d S )Nz("crit" is not supported, please subclass)r r )Z unused_valuer r r r( n s z Header.critc C s dd� | D �S )Nc S s& g | ] }t jtjjtjj|j���qS r )�base64� b64encode�OpenSSL�cryptoZdump_certificate� FILETYPE_ASN1�wrapped)r* �certr r r � <listcomp>x s z Header.x5c.<locals>.<listcomp>r )r r r r r" v s z Header.x5cc C sH yt dd� | D ��S tjjk rB } ztj|��W Y d d }~X nX d S )Nc s s, | ]$}t jtjjtjjtj|���V qd S )N)r ZComparableX509r> r? Zload_certificater@ r< � b64decode)r* rB r r r � <genexpr>~ s z Header.x5c.<locals>.<genexpr>)�tupler> r? r: r r )r �errorr r r r" { s N) r r r r r �Fieldr � JWASignature� from_jsonr r r �JWKr r! r" �decode_b64joser$ Zx5tS256r r r r% r' r( r0 r9 r; r r& r r r r r % s. r c s� e Zd ZdZeZd Zejdddd�Z ejdde� ej d�Z ejd ej ej d �Ze jd d � �Z e jd d � �Z � fdd�Zedd� �Zedd� �Zd dd�Zede� fdd��Z� fdd�Ze� fdd ��Z� ZS ) � 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� protectedT� )r r# �header)r r# r � signature)r r& c C s t j| jd��S )Nzutf-8)r �encode_b64joser )r r r r rO � s zSignature.protectedc C s t j| �jd�S )Nzutf-8)r rL r )r r r r rO � s c s4 d|kr| j |�}t� jf |� | jjd k s0t�d S )NrN )�_with_combined�super�__init__rN r r )r, �kwargs)� __class__r r rV � s zSignature.__init__c C sZ d|ks t �|jd| jd j�}|jd| jd j�}|rJ|| jj|� }n|}||d< |S )NrN rQ rO )r �getr. r# � header_cls� json_loads)r rW rQ rO rN r r r rT � s zSignature._with_combinedc C s t j|jd��d t j|� S )Nzutf-8� .)r r= r )r rO �payloadr r r �_msg� s zSignature._msgNc C s8 |dkr| j j� n|}| j jj|j| j| j| j|�d�S )zEVerify. :param JWK key: Key used for verification. N)�key�sig�msg)rN r; r �verifyr_ rR r^ rO )r, r] r_ r r r rb � s zSignature.verifyc K s� t ||j�st�|}||d< |r,|j� |d< t|�j| jj�sBt�|j| jj�sTt�i }x"|D ]} | |kr^|j| �|| < q^W |r�| jf |�j � } nd} | jf |�} |j |j | j | |��} | | | | d�S )z;Sign. :param JWK key: Key for signature. r r rP )rO rQ rR ) r1 �ktyr � public_keyr5 �issubsetrZ r. �popZ json_dumps�signr_ r^ ) r r] r_ r Z include_jwk�protectrW Z header_paramsZprotected_paramsrQ rO rR r r r rg � s" zSignature.signc s t � j� }|d j� s |d= |S )NrQ )rU �fields_to_partial_jsonr0 )r, �fields)rX r r ri � s z Signature.fields_to_partial_jsonc s4 t � j|�}| j|�}d|d j� kr0tjd��|S )Nr rN zalg not present)rU �fields_from_jsonrT r0 r r )r �jobjrj Zfields_with_combined)rX r r rk � s zSignature.fields_from_json)rN )N)r r r r r rZ � __slots__r rH rO rJ rQ rL rS rR r& r rV r rT r^ rb � frozensetrg ri rk � __classcell__r r )rX r rM � s* rM c @ sd e Zd ZdZdZeZddd�Zedd� �Z e d d � �Z d d � Z ed d� �Z ddd�Zedd� �ZdS )�JWSzgJSON Web Signature. :ivar str payload: JWS Payload. :ivar str signature: JWS Signatures. r] � signaturesNc s t � �fdd��jD ��S )zVerify.c 3 s | ]}|j �j� �V qd S )N)rb r] )r* r` )r_ r, r r rE s z JWS.verify.<locals>.<genexpr>)�allrq )r, r_ r )r_ r, r rb s z JWS.verifyc K s | || j jf d|i|��fd�S )zSign.r] )r] rq )� signature_clsrg )r r] rW r r r rg s zJWS.signc C s t | j�dkst�| jd S )zPGet a singleton signature. :rtype: :class:`JWS.signature_cls` � r )r rq r )r, r r r rR s z JWS.signaturec C s\ t | j�dkst�d| jjj� ks&t�tj| jjj d��d tj| j � d tj| jj� S )z7Compact serialization. :rtype: bytes rt r zutf-8r\ ) r rq r rR rQ r0 r r= rO r r] )r, r r r � to_compact s &zJWS.to_compactc C sh y|j d�\}}}W n tk r2 tjd��Y nX | jtj|�jd�tj|�d�}| tj|�|fd�S )zACompact deserialization. :param bytes compact: r\ zOCompact JWS serialization should comprise of exactly 3 dot-separated componentszutf-8)rO rR )r] rq )�split� ValueErrorr r rs r rD r )r �compactrO r] rR r` r r r � from_compact( s zJWS.from_compactTc C sR | j s t�tj| j�}|rBt| j �dkrB| j d j� }||d< |S || j d�S d S )Nrt r r] )r] rq )rq r r rS r] r �to_partial_json)r, Zflatr] �retr r r rz ; s zJWS.to_partial_jsonc sv d|kr d|kr t jd��nVd|krF� tj|jd��� jj|�fd�S � tj|d �t� fdd�|d D ��d�S d S )NrR rq zFlat mixed with non-flatr] )r] rq c 3 s | ]}� j j|�V qd S )N)rs rJ )r* r` )r r r rE R s z JWS.from_json.<locals>.<genexpr>)r r r rL rf rs rJ rF )r rl r )r r rJ I s z JWS.from_json)r] rq )N)T)r r r r rm rM rs rb r rg �propertyrR ru ry rz rJ r r r r rp � s rp c @ sZ e Zd ZdZedd� �Zedd� �Zedd� �Zedd � �Zed d � �Z edd d��Z d S )�CLIzJWS CLI.c C s� |j jj|jj� �}|jj� |jdkr.g |_|jr@|jjd� t j t j j� j � ||j t|j�d�}|jr~t|j� jd�� n t|j� � dS )zSign.Nr )r] r_ r rh zutf-8)r rc �loadr_ �read�closerh rx �appendrp rg �sys�stdinr r5 �printru r Zjson_dumps_pretty)r �argsr_ r` r r r rg Y s zCLI.signc C s� |j r tjtjj� j� �}n@ytjtjj� �}W n* tj k rZ } z t |� dS d}~X nX |j dk r�|j dk stt �|j j|j j� �j� }|j j� nd}tjj|j� |j|d� S )zVerify.rt N)r_ ���)rx rp ry r� r� r r r[ r r: r� r_ rc r r~ rd r� �stdout�writer] rb )r r� r` rG r_ r r r rb k s z CLI.verifyc C s t jj|�S )N)r rI rJ )r �argr r r � _alg_type� s z CLI._alg_typec C s |t jjkst�|S )N)rM rZ r. r )r r� r r r � _header_type� s zCLI._header_typec C s |t jjkst�t jj| S )N)r rK ZTYPESr )r r� r r r � _kty_type� s z CLI._kty_typeNc C s� |dkrt jdd� }tj� }|jddd� |j� }|jd�}|j| jd� |jdd tj d �d d � |jd d| j t j d� |jddd| j d� |jd�}|j| jd� |jdd tj d �dd � |jd| jdd � |j|�}|j|�S )z Parse arguments and sign/verify.Nrt z --compact� store_true)�actionrg )�funcz-kz--key�rbT)r2 Zrequiredz-az--alg)r2 r# z-pz --protectr� )r� r2 rb Fz--kty)r� �argv�argparse�ArgumentParser� add_argumentZadd_subparsersZ add_parserZ set_defaultsrg ZFileTyper� r ZRS256r� rb r� � parse_argsr� )r r� �parserZ subparsersZ parser_signZ parser_verifyZparsedr r r �run� s* zCLI.run)N) r r r r r rg rb r� r� r� r� r r r r r} V s r} �__main__)r r� r< r� r> Zjosepyr r r r r r r ZJSONObjectWithFieldsr rM rp r} r �exitr� r r r r �<module> s `r_V
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