59 lines
1.7 KiB
Plaintext
59 lines
1.7 KiB
Plaintext
DELIMITER //
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CREATE OR REPLACE FUNCTION checktoken(
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p_token VARCHAR(200)
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)
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/*
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Function : 判斷傳入的 Token 是否過期, 若未過期, 傳回 userid, 已過期傳回空白
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Description: 判斷 Token 是否過期, 若未過期, 傳回 0, 已過期傳回 9
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簡單的測試 ok
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Build Date : 2018/03/02
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Modify History
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Item Who Date Modify Docs
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==== ========== ========== ================================================
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1 Michael 2018/01/08 開始改寫為 MySQL 版
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*/
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RETURNS VARCHAR(100)
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DETERMINISTIC
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BEGIN
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DECLARE v_lastlogintime DATETIME;
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DECLARE v_recno INT;
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DECLARE v_diffhour INT;
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DECLARE v_statuscode INT;
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DECLARE v_errMsg VARCHAR(200);
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DECLARE v_longday INT; -- 0: token 永久有效 其他: token 的效期天數
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DECLARE v_userid VARCHAR(100);
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SET v_longday = 0; -- token 預設永久有效
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SET v_statuscode = 4;
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SET v_userid = '';
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SET v_errMsg = '帳號或密碼錯誤!';
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SELECT COUNT(*), userid, lastlogintime
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INTO v_recno, v_userid, v_lastlogintime
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FROM sys_users
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WHERE IFNULL(isstop, '') <> 'Y'
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AND IFNULL(token, 'null') = p_token
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GROUP BY userid, lastlogintime;
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IF v_recno > 0 THEN
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-- 如果傳入 token
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SELECT TIMESTAMPDIFF(HOUR, v_lastlogintime, NOW()) INTO v_diffhour;
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IF v_diffhour >= 24 * v_longday AND v_longday > 0 THEN
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SET v_statuscode = 9;
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SET v_errMsg = 'token 已過期，請重新登入!';
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SET v_userid = '';
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ELSE
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SET v_statuscode = 0;
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SET v_errMsg = 'token 有效!';
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END IF;
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END IF;
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-- 回傳值 dataset[0], 前3個欄位有固定的內容
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RETURN IFNULL(v_userid, '');
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END //
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DELIMITER ; |