o
    G)f6                     @  s   d Z ddlmZ ddlZddlmZmZmZmZ ddl	m
Z
mZmZ ddlmZ ddlmZmZ dd	lmZmZmZmZmZmZmZmZ dd
lmZ erRddlmZ G dd dZdS )z5Implementing support for MySQL Authentication Plugins    )annotationsN)TYPE_CHECKINGAnyDictOptional   )InterfaceErrorNotSupportedErrorget_exception)logger)MySQLAuthPluginget_auth_plugin)AUTH_SWITCH_STATUSDEFAULT_CHARSET_IDDEFAULT_MAX_ALLOWED_PACKET
ERR_STATUSEXCHANGE_FURTHER_STATUS
MFA_STATUS	OK_STATUSMySQLProtocol)HandShakeType)MySQLSocketc                   @  s   e Zd ZdZd:ddZed;ddZed<d
dZede	fd=ddZ
			d>d?d!d"Zd@d%d&Zd@d'd(Zd)d)d)d)dede	dddd*fdAd8d9ZdS )BMySQLAuthenticatorz$Implements the authentication phase.returnNonec                 C  s(   d| _ i | _i | _d| _d| _d| _dS )zConstructor. FN)	_username
_passwords_plugin_config_ssl_enabled_auth_strategy_auth_plugin_classself r$   [/var/www/html/flask-app/venv/lib/python3.12/site-packages/mysql/connector/authentication.py__init__:   s   
zMySQLAuthenticator.__init__boolc                 C     | j S )z&Signals whether or not SSL is enabled.)r   r"   r$   r$   r%   ssl_enabledC   s   zMySQLAuthenticator.ssl_enabledDict[str, Any]c                 C  r(   )a  Custom arguments that are being provided to the authentication plugin when called.

        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_configH   s   z MySQLAuthenticator.plugin_configr   sockr   hoststrssl_optionsOptional[Dict[str, Any]]charsetintclient_flagsmax_allowed_packetbytesc           	   
   C  s   |du ri }t j|||d}|| td |j|d|d|d|dd|d	d|d
|dd}td ||| td d| _|S )a  Sets up an SSL communication channel.

        Args:
            sock: Pointer to the socket connection.
            host: Server host name.
            ssl_options: SSL and TLS connection options (see
                         `network.MySQLSocket.build_ssl_context`).
            charset: Client charset (see [1]), only the lower 8-bits.
            client_flags: Integer representing client capabilities flags.
            max_allowed_packet: Maximum packet size.

        Returns:
            ssl_request_payload: Payload used to carry out SSL authentication.

        References:
            [1]: https://dev.mysql.com/doc/dev/mysql-server/latest/                page_protocol_basic_character_set.html#a_protocol_character_set
        N)r1   r3   r4   zBuilding SSL contextcacertkeyverify_certFverify_identitytls_versionstls_ciphersuites)ssl_cassl_certssl_keyssl_verify_certssl_verify_identityr;   tls_cipher_suiteszSwitching to SSLzSSL has been enabledT)	r   make_auth_sslsendr   debugbuild_ssl_contextgetswitch_to_sslr   )	r#   r,   r-   r/   r1   r3   r4   ssl_request_payloadssl_contextr$   r$   r%   	setup_sslY   s.   






zMySQLAuthenticator.setup_sslNr   new_strategy_namestrategy_classOptional[str]usernamepassword_factorc                 C  sP   |du r| j }|du r| j}td| t||d|| j|d| jd| _dS )a  Switches 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.
        NzSwitching to strategy %s)plugin_nameauth_plugin_classr   )r)   )	r   r!   r   rE   r   r   rG   r)   r    )r#   rL   rM   rO   rP   r$   r$   r%   _switch_auth_strategy   s   z(MySQLAuthenticator._switch_auth_strategypktOptional[bytes]c                 C  s   d}|d t krl|| jvrtdt|\}}| j||d td|| jj	 | jj
||fi | j}|d tkrKt|}| jj||fi | j}|d tkrXtd |S |d tkrbt||d7 }|d t kstd d	S )
a  Handles 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.
              z5Failed Multi Factor Authentication (invalid N factor))rP   zMFA %i factor %szMFA completed succesfullyr   z"MFA terminated with a no ok packetN)r   r   r   r   parse_auth_next_factorrS   r   rE   r    nameauth_switch_responser   r   parse_auth_more_dataauth_more_responser   r   r
   warning)r#   r,   rT   n_factorrL   	auth_datar$   r$   r%   _mfa_n_factor   s<   



z MySQLAuthenticator._mfa_n_factorc                 C  s  |d t krt|dkrtd|d t kr3td t|\}}| | | jj	||fi | j
}|d tkrOtd t|}| jj||fi | j
}|d tkr_td| jj |S |d tkrxtd td| jj | ||S |d tkrt|d	S )
a  Handles 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.
        rW      zAuthentication 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 requestzExchanging further packetsz%s completed succesfullyz$Starting multi-factor authenticationzMFA 1 factor %sN)r   lenr	   r   rE   r   parse_auth_switch_requestrS   r    rZ   r   r   r[   r\   r   rY   r   r`   r   r
   )r#   r,   rT   rL   r_   r$   r$   r%   _handle_server_response   s>   




z*MySQLAuthenticator._handle_server_responser   F	handshaker   	password1	password2	password3databaseauth_pluginrR   
conn_attrsOptional[Dict[str, str]]is_change_user_requestr+   r   c                 K  s   || _ |||d| _t|| _|| _tj||||||	|
||||| j| j	d\}| _
|r.dnd}|j|g|R   t| }| ||}|du rNtdd|S )a  Performs 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.
            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.
            plugin_config: Custom configuration to be passed to the auth plugin
                           when invoked. The parameters defined here will override the
                           ones defined in the auth plugin itself.

        Returns:
            ok_packet: OK packet.

        Raises:
            InterfaceError: If OK packet is NULL.

        References:
            [1]: https://dev.mysql.com/doc/dev/mysql-server/latest/                page_protocol_basic_character_set.html#a_protocol_character_set
        )r   rV      )re   rO   passwordri   r1   r3   r4   rj   rR   rk   rm   r)   r+   )r   r   )NNNzGot a NULL ok_pkt)r   r   copydeepcopyr   r!   r   	make_authr)   r+   r    rD   r5   recvrd   r   )r#   r,   re   rO   rf   rg   rh   ri   r1   r3   r4   rj   rR   rk   rm   r+   response_payload	send_argsrT   ok_pktr$   r$   r%   authenticate!  s4   5
zMySQLAuthenticator.authenticate)r   r   )r   r'   )r   r*   )r,   r   r-   r.   r/   r0   r1   r2   r3   r2   r4   r2   r   r5   )NNr   )
rL   r.   rM   rN   rO   rN   rP   r2   r   r   )r,   r   rT   r5   r   rU   ) r,   r   re   r   rO   r.   rf   r.   rg   r.   rh   r.   ri   rN   r1   r2   r3   r2   r4   r2   rj   rN   rR   rN   rk   rl   rm   r'   r+   r   r   r5   )__name__
__module____qualname____doc__r&   propertyr)   r+   r   r   rK   rS   r`   rd   rw   r$   r$   r$   r%   r   7   s<    
	<
"
6;r   )r{   
__future__r   rp   typingr   r   r   r   errorsr   r	   r
   r   pluginsr   r   protocolr   r   r   r   r   r   r   r   typesr   networkr   r   r$   r$   r$   r%   <module>   s   (
