salix/db/routines/account/procedures/user_checkPassword.sql

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DELIMITER $$
CREATE OR REPLACE DEFINER=`root`@`localhost` PROCEDURE `account`.`user_checkPassword`(vPassword VARCHAR(255))
BEGIN
/**
* Comprueba si la contraseña cumple los requisitos de seguridad
* establecidos. Lanza una excepción si no se cumplen.
*
* @param vPassword Contraseña a comprobar
*/
DECLARE vChr CHAR(1);
DECLARE vPasswordOk TINYINT;
DECLARE vI TINYINT DEFAULT 1;
DECLARE vNAlpha TINYINT DEFAULT 0;
DECLARE vNUpper TINYINT DEFAULT 0;
DECLARE vNDigits TINYINT DEFAULT 0;
DECLARE vNPunct TINYINT DEFAULT 0;
WHILE vI <= CHAR_LENGTH(vPassword)
DO
SET vChr = SUBSTRING(vPassword, vI, 1);
IF vChr REGEXP '[[:alpha:]]'
THEN
SET vNAlpha = vNAlpha+1;
IF vChr REGEXP '[A-Z]'
THEN
SET vNUpper = vNUpper+1;
END IF;
ELSEIF vChr REGEXP '[[:digit:]]'
THEN
SET vNDigits = vNDigits+1;
ELSEIF vChr REGEXP '[[:punct:]]'
THEN
SET vNPunct = vNPunct+1;
END IF;
SET vI = vI+1;
END WHILE;
SELECT
CHAR_LENGTH(vPassword) >= length
AND vNAlpha >= nAlpha
AND vNUpper >= nUpper
AND vNDigits >= nDigits
AND vNPunct >= nPunct
INTO vPasswordOk
FROM userPassword LIMIT 1;
IF NOT vPasswordOk THEN
SIGNAL SQLSTATE '45000'
SET MESSAGE_TEXT = 'Password does not meet requirements';
END IF;
END$$
DELIMITER ;