a i(1@sdZdgZddlZddlmZmZmZmZmZddl m Z m Z ddl m Z mZmZddlmZdd lmZmZmZdd lmZmZmZmZdd lmZmZd d lmZd dl m!Z!m"Z"d dl#m$Z$GdddeZdS)z,Implements the MySQL Client/Server protocol. MySQLProtocolN)AnyDictListOptionalTuple) ClientFlag ServerCmd)InterfaceErrorProgrammingError get_exception)logger)DEFAULT_CHARSET_IDDEFAULT_MAX_ALLOWED_PACKETr)BinaryProtocolTypeDescriptionType EofPacketType HandShakeType)lc_intread_lc_string_list) MySQLSocket)MySQLAuthPluginget_auth_plugin)"MySQLCachingSHA2PasswordAuthPluginc@s2eZdZdZedeeeeeeeee ee fe ee fdddZ edededdddddf eeeeeeeeeeeeee eefeeee ee fe ee fdd d Zdeeeeeeee ee ed feefdddZdee ed feeee ee eed feefdddZdS)rzSImplements MySQL client/server protocol. Create and parses MySQL packets. NF) auth_datausernamepassword auth_pluginauth_plugin_class ssl_enabled plugin_configreturnc Cs|s|dkrdt|||dfS|dur*i}z*t|||||d}|j|fi|}Wn8ttfy} ztd| | WYd} ~ n d} ~ 00|durtd|jtt||}||fS)aPrepare the first authentication response. Args: auth_data: Authorization data from initial handshake. username: Account's username. password: Account's password. client_flags: Integer representing client capabilities flags. auth_plugin: Authorization plugin name. auth_plugin_class: Authorization plugin class (has higher precedence than the authorization plugin name). ssl_enabled: Whether SSL is enabled 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: auth_response: Authorization plugin response. auth_strategy: Authorization plugin instance created based on the provided `auth_plugin` and `auth_plugin_class` parameters. Raises: InterfaceError: If authentication fails or when got a NULL auth response. )r!NzFailed authentication: z8Got NULL auth response while authenticating with plugin )rr auth_response TypeErrorr namerlen) rrrrr r!r" auth_strategyr&errr,L/home/Claro/venv/lib/python3.9/site-packages/mysql/connector/aio/protocol.pyauth_plugin_first_response:s*" &z(MySQLProtocol.auth_plugin_first_responser) handshakerrdatabasecharset client_flagsmax_allowed_packetrr conn_attrsis_change_user_requestr!r"r#c  Cs|} g}| rtdtd|dur6tdd|ddurNtddz|pZ|d}Wn:ttfy}ztd|d dWYd}~n d}~00td || r|t d t | d t j | n,d }|t d|t | d |||| t j|d||||| | d\}}|||t ||| rN|t d||tj@rl||d|tj@r| dur|t | d||fS)aMake a MySQL Authentication packet. Args: handshake: Initial handshake. username: Account's username. password: Account's password. database: Initial database name for the connection charset: Client charset (see [2]), 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. ssl_enabled: Whether SSL is enabled or not. plugin_config: Custom configuration to be passed to the auth plugin when invoked. The parameters defined here will override the one defined in the auth plugin itself. Returns: handshake_response: Handshake response as per [1]. auth_strategy: Authorization plugin instance created based on the provided `auth_plugin` and `auth_plugin_class`. Raises: ProgrammingError: Handshake misses authentication info. References: [1]: https://dev.mysql.com/doc/dev/mysql-server/latest/ page_protocol_connection_phase_packets_protocol_handshake_response.html [2]: https://dev.mysql.com/doc/dev/mysql-server/latest/ page_protocol_basic_character_set.html#a_protocol_character_set zGot a `change user` requestzStarting authorization phaseNzGot a NULL handshakerz$Handshake misses authentication inforz-Handshake misses authentication plugin info ()z#The provided initial strategy is %szs