You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
100 lines
3.4 KiB
100 lines
3.4 KiB
2 years ago
|
import pymysql
|
||
|
|
|
||
|
|
from conf.config import DB_HOST, DB_PORT, DB_USER, DB_PASSWD, DB_NAME
|
||
|
|
|
||
|
|
|
||
|
|
class KDCdb(object):
|
||
|
|
def __init__(self):
|
||
|
|
self.host = DB_HOST
|
||
|
|
self.port = DB_PORT
|
||
|
|
self.user = DB_USER
|
||
|
|
self.password = DB_PASSWD
|
||
|
|
self.database = DB_NAME
|
||
|
|
self.charset = 'utf8'
|
||
|
|
|
||
|
|
def connect_kdc_db(self):
|
||
|
|
try:
|
||
|
|
return pymysql.connect(host=self.host, port=self.port, user=self.user, password=self.password,
|
||
|
|
database=self.database, charset=self.charset)
|
||
|
|
except (ConnectionRefusedError, pymysql.err.OperationalError):
|
||
|
|
print('Connect operation error')
|
||
|
|
return False
|
||
|
|
|
||
|
|
def create_table(self, sql):
|
||
|
|
if self.connect_kdc_db():
|
||
|
|
conn = self.connect_kdc_db()
|
||
|
|
cursor = conn.cursor()
|
||
|
|
try:
|
||
|
|
cursor.execute(sql)
|
||
|
|
return True
|
||
|
|
except (pymysql.err.OperationalError, pymysql.err.InternalError):
|
||
|
|
print('Create operation error - Table already exists')
|
||
|
|
finally:
|
||
|
|
cursor.close()
|
||
|
|
conn.close()
|
||
|
|
else:
|
||
|
|
return False
|
||
|
|
|
||
|
|
def insert_data(self, user, pwd, tb_name):
|
||
|
|
if self.connect_kdc_db():
|
||
|
|
conn = self.connect_kdc_db()
|
||
|
|
cursor = conn.cursor()
|
||
|
|
|
||
|
|
try:
|
||
|
|
if tb_name == 'kdc_user':
|
||
|
|
cursor.execute(f'INSERT INTO kdc_user (u_name, pwd) VALUES (%s, %s)', (user, pwd))
|
||
|
|
elif tb_name == 'kdc_login':
|
||
|
|
cursor.execute(f'INSERT INTO kdc_login (u_name, last_time) VALUES (%s, %s)', (user, pwd))
|
||
|
|
conn.commit()
|
||
|
|
except pymysql.err.IntegrityError:
|
||
|
|
conn.rollback()
|
||
|
|
print('Insert operation error - Duplicate entry')
|
||
|
|
except pymysql.err.DataError:
|
||
|
|
conn.rollback()
|
||
|
|
print('Insert operation error - Data too long')
|
||
|
|
else:
|
||
|
|
print(f'[+] Insert {tb_name} success')
|
||
|
|
finally:
|
||
|
|
cursor.close()
|
||
|
|
conn.close()
|
||
|
|
else:
|
||
|
|
return False
|
||
|
|
|
||
|
|
def query_data(self, user, tb_name):
|
||
|
|
if self.connect_kdc_db():
|
||
|
|
conn = self.connect_kdc_db()
|
||
|
|
cursor = conn.cursor()
|
||
|
|
|
||
|
|
try:
|
||
|
|
if tb_name == 'kdc_user':
|
||
|
|
cursor.execute(f'SELECT pwd FROM kdc_user WHERE u_name=%s', user)
|
||
|
|
elif tb_name == 'kdc_login':
|
||
|
|
cursor.execute(f'SELECT last_time FROM kdc_login WHERE u_name=%s ORDER BY id DESC', user)
|
||
|
|
return cursor.fetchone()
|
||
|
|
except pymysql.err.InternalError:
|
||
|
|
print('Query operation error - Unknown column')
|
||
|
|
finally:
|
||
|
|
cursor.close()
|
||
|
|
conn.close()
|
||
|
|
else:
|
||
|
|
return False
|
||
|
|
|
||
|
|
def delete_data(self, user):
|
||
|
|
if self.connect_kdc_db():
|
||
|
|
conn = self.connect_kdc_db()
|
||
|
|
cursor = conn.cursor()
|
||
|
|
|
||
|
|
try:
|
||
|
|
cursor.execute(f'DELETE FROM kdc_user where u_name=%s', user)
|
||
|
|
conn.commit()
|
||
|
|
except pymysql.err.OperationalError:
|
||
|
|
conn.rollback()
|
||
|
|
print('Delete operation error')
|
||
|
|
else:
|
||
|
|
print('[+] Delete success')
|
||
|
|
finally:
|
||
|
|
cursor.close()
|
||
|
|
conn.close()
|
||
|
|
else:
|
||
|
|
return False
|