a AWe@s^ddlZddlZddlZddlZddlZddlmZddlmZddlm Z GdddZ dS)N)datetime)Config) Blacklistc@s>eZdZed ddZeddZeddZedd Zd S) TokenServicecCsr||tt|dd}t|}|d}t|tjd }|d|d}t | d dS)aS Generate a token. Args: email (str): The email associated with the token. token_type (str): The type of the token. expiration_time_in_hours (int, optional): The expiration time of the token in hours. Defaults to 4 hours. Returns: str: The generated token. i)emailtypeexputf-8-_-=)inttimejsondumpsencodehashlibsha1r SECRET_KEY hexdigestbase64urlsafe_b64encoderstripdecode)r token_typeZexpiration_time_in_hoursdata json_data encoded_data signature token_datar /app/app/services/token.pygenerate_token s  zTokenService.generate_tokenc Cszt|dd}|d\}}t|tjd}|| dkrt | d}|dt t kr|d|fWSWdSd|fWSty}zdt|fWYd}~Sd}~00dS) a Verify the validity and expiration of an activation token. Args: token (str): The token to be verified. Returns: Tuple[bool, Union[str, str]]: A tuple containing a boolean indicating whether the token is valid and either the associated email or an error message. Note: This function decodes and verifies tokens by checking its signature and expiration time. If the token is valid and not expired, it returns True and the associated . If the token is valid but expired, it returns False and an error message. If an exception occurs during the verification process, it returns False and an error message. r s==r r T)FzToken has expiredFN)rurlsafe_b64decodersplitrrrrrrrloadsr r Exceptionstr)token decoded_tokenrrZcomputed_signaturerer r r! verify_token&s  zTokenService.verify_tokencCstj||dduS)z Check if a token is blacklisted (revoked). Args: token (str): The token to check. Returns: bool: True if the token is blacklisted, False if not. userjtiN)robjectsfirstr,r r r!is_blacklistedXs zTokenService.is_blacklistedc Cs.ttt|||||td}|dS)a Blacklist a token with a given reason. Args: token (str): The token to blacklist. token_type (str): The type of token (e.g., 'access' or 'refresh'). user (User): The user associated with the token. jti (str): The unique JWT ID (if applicable). reason (str): The reason for blacklisting (e.g., 'expired' or 'revoked'). Returns: bool: True if the token is successfully blacklisted, False if not. ) public_idr(rr-r.reasonZ revoked_atN)rr'uuiduuid4rutcnowsave)r(rr-r.r3Zblacklist_entryr r r!blacklist_tokenes  zTokenService.blacklist_tokenN)r)__name__ __module__ __qualname__ staticmethodr"r+r1r8r r r r!r s  0 r) rr4rrrrapp.config.settingsrZapp.models.blacklistrrr r r r!s