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a ��Jh�2 � @ s� d Z ddlmZ dgZddlmZmZmZmZ ddl m Z m Z m Z ddl mZmZmZmZmZmZmZ ddlmZ d d lmZ d d lmZmZ d d l mZ er�d d l m Z G dd� d�Z dS )z6Implementing support for MySQL Authentication Plugins.� )� annotations�MySQLAuthenticator)� TYPE_CHECKING�Any�Dict�Optional� )�InterfaceError�NotSupportedError� get_exception)�AUTH_SWITCH_STATUS�DEFAULT_CHARSET_ID�DEFAULT_MAX_ALLOWED_PACKET� ERR_STATUS�EXCHANGE_FURTHER_STATUS� MFA_STATUS� OK_STATUS)� HandShakeType� )�logger)�MySQLAuthPlugin�get_auth_plugin)� MySQLProtocol)� MySQLSocketc @ s� e Zd ZdZdd�dd�Zedd�dd��Zed d�d d ��Zd dd �d d�Zd(dddddd�dd�Z dddd�dd �Z dddd�d d �Z d d d d de d d!e dddd!ddfdd"dddddddddddd#dd$d$dd%�d&d'�ZdS ))r z$Implements the authentication phase.�None)�returnc C s( d| _ i | _i | _d| _d| _d| _dS )z Constructor.� FN)� _username� _passwords�_plugin_config� _ssl_enabled�_auth_strategy�_auth_plugin_class��self� r% �W/home/agenciai/.local/lib/python3.9/site-packages/mysql/connector/aio/authentication.py�__init__; s zMySQLAuthenticator.__init__�boolc C s | j S )z&Signals whether or not SSL is enabled.)r r# r% r% r& � ssl_enabledD s z MySQLAuthenticator.ssl_enabledzDict[str, Any]c C s | j S )a� Custom arguments that are being provided to the authentication plugin. The parameters defined here will override the ones defined in the auth plugin itself. The plugin config is a read-only property - the plugin configuration provided when invoking `authenticate()` is recorded and can be queried by accessing this property. Returns: dict: The latest plugin configuration provided when invoking `authenticate()`. )r r# r% r% r& � plugin_configI s z MySQLAuthenticator.plugin_config)�configr c C s | j �|� dS )z,Update the 'plugin_config' instance variableN)r �update)r$ r+ r% r% r& �update_plugin_configZ s z'MySQLAuthenticator.update_plugin_configNr �strz Optional[str]�int)�new_strategy_name�strategy_class�username�password_factorr c C sP |du r| j }|du r | j}t�d|� t||d�|| j�|d�| jd�| _dS )a� Switch the authorization plugin. Args: new_strategy_name: New authorization plugin name to switch to. strategy_class: New authorization plugin class to switch to (has higher precedence than the authorization plugin name). username: Username to be used - if not defined, the username provided when `authentication()` was invoked is used. password_factor: Up to three levels of authentication (MFA) are allowed, hence you can choose the password corresponding to the 1st, 2nd, or 3rd factor - 1st is the default. NzSwitching to strategy %s)Z plugin_name�auth_plugin_classr )r) ) r r" r �debugr r �getr) r! )r$ r0 r1 r2 r3 r% r% r& �_switch_auth_strategy^ s � �z(MySQLAuthenticator._switch_auth_strategyr �byteszOptional[bytes])�sock�pktr c � s� d}|d t kr�|| jvr"td��t�|�\}}| j||d� t�d|| jj � | jj ||fi | j ��I dH }|d t kr�t� |�}| jj||fi | j ��I dH }|d tkr�t�d� |S |d tkr�t|��|d7 }qt�d � dS ) a Handle MFA (Multi-Factor Authentication) response. Up to three levels of authentication (MFA) are allowed. Args: sock: Pointer to the socket connection. pkt: MFA response. Returns: ok_packet: If last server's response is an OK packet. None: If last server's response isn't an OK packet and no ERROR was raised. Raises: InterfaceError: If got an invalid N factor. errors.ErrorTypes: If got an ERROR response. r � z5Failed Multi Factor Authentication (invalid N factor))r3 zMFA %i factor %sNzMFA completed succesfullyr z"MFA terminated with a no ok packet)r r r r Zparse_auth_next_factorr7 r r5 r! �name�auth_switch_responser r �parse_auth_more_data�auth_more_responser r r �warning)r$ r9 r: Zn_factorr0 � auth_datar% r% r& � _mfa_n_factor� s: ��� �� z MySQLAuthenticator._mfa_n_factorc � s |d t kr t|�dkr td��|d t krlt�d� t�|�\}}| �|� | jj ||fi | j ��I dH }|d t kr�t�d� t� |�}| jj ||fi | j ��I dH }|d tkr�t�d| jj� |S |d tk�rt�d� t�d | jj� | �||�I dH S |d tk�rt|��dS ) a� Handle server's response. Args: sock: Pointer to the socket connection. pkt: Server's response after completing the `HandShakeResponse`. Returns: ok_packet: If last server's response is an OK packet. None: If last server's response isn't an OK packet and no ERROR was raised. Raises: errors.ErrorTypes: If got an ERROR response. NotSupportedError: If got Authentication with old (insecure) passwords. r; � z�Authentication with old (insecure) passwords is not supported. For more information, lookup Password Hashing in the latest MySQL manualz+Server's response is an auth switch requestNzExchanging further packetsz%s completed succesfullyz$Starting multi-factor authenticationzMFA 1 factor %s)r �lenr r r5 r Zparse_auth_switch_requestr7 r! r= r r r> r? r r< r rB r r )r$ r9 r: r0 rA r% r% r& �_handle_server_response� s> � �� �� z*MySQLAuthenticator._handle_server_responser r Fr zOptional[Dict[str, str]]z Optional[int])r9 � handshaker2 � password1� password2� password3�database�charset� client_flagsr) �max_allowed_packet� auth_pluginr4 � conn_attrs�is_change_user_request� read_timeout� write_timeoutr c � s� || _ |||d�| _| | _| | _tj|||||| | | | ||| j| jd� \}| _|r\dd|fndd|f}|j |g|�R � I dH t |� |�I dH �}| � ||�I dH }|du r�t d�d�|S )a� Perform the authentication phase. During re-authentication you must set `is_change_user_request` to True. Args: sock: Pointer to the socket connection. handshake: Initial handshake. username: Account's username. password1: Account's password factor 1. password2: Account's password factor 2. password3: Account's password factor 3. database: Initial database name for the connection. charset: Client charset (see [1]), only the lower 8-bits. client_flags: Integer representing client capabilities flags. ssl_enabled: Boolean indicating whether SSL is enabled, max_allowed_packet: Maximum packet size. auth_plugin: Authorization plugin name. auth_plugin_class: Authorization plugin class (has higher precedence than the authorization plugin name). conn_attrs: Connection attributes. is_change_user_request: Whether is a `change user request` operation or not. read_timeout: Timeout in seconds upto which the connector should wait for the server to reply back before raising an ReadTimeoutError. write_timeout: Timeout in seconds upto which the connector should spend to send data to the server before raising an WriteTimeoutError. Returns: ok_packet: OK packet. Raises: InterfaceError: If OK packet is NULL. ReadTimeoutError: If the time taken for the server to reply back exceeds 'read_timeout' (if set). WriteTimeoutError: If the time taken to send data packets to the server exceeds 'write_timeout' (if set). References: [1]: https://dev.mysql.com/doc/dev/mysql-server/latest/ page_protocol_basic_character_set.html#a_protocol_character_set )r r � ) rF r2 �passwordrJ rK rL rM rN r4 rO rP r) r* r NzGot a NULL ok_pkt)r r r r" r Z make_authr) r* r! �writer8 �readrE r )r$ r9 rF r2 rG rH rI rJ rK rL r) rM rN r4 rO rP rQ rR Zresponse_payloadZ send_argsr: Zok_pktr% r% r& � authenticate� s: =� � � z MySQLAuthenticator.authenticate)NNr )�__name__� __module__� __qualname__�__doc__r' �propertyr) r* r- r7 rB rE r r rW r% r% r% r& r 8 s: �"6;�N) r[ � __future__r �__all__�typingr r r r �errorsr r r �protocolr r r r r r r �typesr r Zpluginsr r r �networkr r r% r% r% r& �<module> s $
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