#coding: utf-8
#-------------------------------------------------------------------
# 宝塔Linux面板
#-------------------------------------------------------------------
# Copyright (c) 2015-2017 宝塔软件(http:#bt.cn) All rights reserved.
#-------------------------------------------------------------------
# Author: hwliang <hwl@bt.cn>
#-------------------------------------------------------------------

#------------------------------
# 数据库管理类
#------------------------------
import public,db,re,time,os,sys,panelMysql,json
from BTPanel import session
import datatool
class database(datatool.datatools):
    
    #添加数据库
    def AddDatabase(self,get):
        try:
            data_name = get['name'].strip().lower()
            if not data_name: return public.returnMsg(False,'数据库名称不能为空')

            if self.CheckRecycleBin(data_name): return public.returnMsg(False,'数据库['+data_name+']已在回收站，请从回收站恢复!')
            if len(data_name) > 16: return public.returnMsg(False, 'DATABASE_NAME_LEN')
            reg = r"^[\w\.-]+$"
            username = get.db_user.strip()
            if not username: return public.returnMsg(False,'数据库用户名不能为空')
            if not re.match(reg, data_name): return public.returnMsg(False,'DATABASE_NAME_ERR_T')
            if not re.match(reg, username): return public.returnMsg(False,'数据库名称不合法!')
            if not hasattr(get,'db_user'): get.db_user = data_name
            
            checks = ['root','mysql','test','sys','panel_logs']
            if username in checks or len(username) < 1: return public.returnMsg(False,'数据库用户名不合法!')
            if data_name in checks or len(data_name) < 1: return public.returnMsg(False,'数据库名称不合法!')
            data_pwd = get['password']
            if len(data_pwd)<1:
                data_pwd = public.md5(str(time.time()))[0:16]
            
            sql = public.M('databases')
            if sql.where("name=? or username=?",(data_name,username)).count(): return public.returnMsg(False,'DATABASE_NAME_EXISTS')
            
            address = get['address'].strip()
            if address in ['','ip']: return public.returnMsg(False,'访问权限为【指定IP】时，需要填写IP地址!')

            user = '是'
            password = data_pwd
            
            codeing = get['codeing']
            
            wheres={
                    'utf8'      :   'utf8_general_ci',
                    'utf8mb4'   :   'utf8mb4_general_ci',
                    'gbk'       :   'gbk_chinese_ci',
                    'big5'      :   'big5_chinese_ci'
                    }
            codeStr=wheres[codeing]
            #添加MYSQL
            mysql_obj = panelMysql.panelMysql()
            #从MySQL验证是否存在
            if self.database_exists_for_mysql(mysql_obj,data_name):  return public.returnMsg(False,'指定数据库已在MySQL中存在，请换个名称!')

            result = mysql_obj.execute("create database `" + data_name + "` DEFAULT CHARACTER SET " + codeing + " COLLATE " + codeStr)
            isError = self.IsSqlError(result)
            if  isError != None: return isError
            mysql_obj.execute("drop user '" + username + "'@'localhost'")
            for a in address.split(','):
                mysql_obj.execute("drop user '" + username + "'@'" + a + "'")

            self.__CreateUsers(data_name,username,password,address)
            
            if get['ps'] == '': get['ps']=public.getMsg('INPUT_PS')
            addTime = time.strftime('%Y-%m-%d %X',time.localtime())
            
            pid = 0
            if hasattr(get,'pid'): pid = get.pid
            #添加入SQLITE
            sql.add('pid,name,username,password,accept,ps,addtime',(pid,data_name,username,password,address,get['ps'],addTime))
            public.WriteLog("TYPE_DATABASE", 'DATABASE_ADD_SUCCESS',(data_name,))
            return public.returnMsg(True,'ADD_SUCCESS')
        except Exception as ex:
            public.WriteLog("TYPE_DATABASE",'DATABASE_ADD_ERR', (data_name,str(ex)))
            return public.returnMsg(False,'ADD_ERROR')


    #判断数据库是否存在—从MySQL
    def database_exists_for_mysql(self,mysql_obj,dataName):
        databases_tmp = self.map_to_list(mysql_obj.query('show databases'))
        if not isinstance(databases_tmp,list):
            return True

        for i in databases_tmp:
            if i[0] == dataName: 
                return True
        return False

    #创建用户
    def __CreateUsers(self,dbname,username,password,address):
        mysql_obj = panelMysql.panelMysql()
        mysql_obj.execute("CREATE USER `%s`@`localhost` IDENTIFIED BY '%s'" % (username,password))
        mysql_obj.execute("grant all privileges on `%s`.* to `%s`@`localhost`" % (dbname,username))
        for a in address.split(','):
            mysql_obj.execute("CREATE USER `%s`@`%s` IDENTIFIED BY '%s'" % (username,a,password))
            mysql_obj.execute("grant all privileges on `%s`.* to `%s`@`%s`" % (dbname,username,a))
        mysql_obj.execute("flush privileges")
        
    #检查是否在回收站
    def CheckRecycleBin(self,name):
        try:
            u_name = self.db_name_to_unicode(name)
            for n in os.listdir('/www/Recycle_bin'):
                if n.find('BTDB_'+name+'_t_') != -1: return True
                if n.find('BTDB_'+u_name+'_t_') != -1: return True
            return False
        except:
            return False
    
    #检测数据库执行错误
    def IsSqlError(self,mysqlMsg):
        mysqlMsg=str(mysqlMsg)
        if "MySQLdb" in mysqlMsg: return public.returnMsg(False,'DATABASE_ERR_MYSQLDB')
        if "2002," in mysqlMsg or '2003,' in mysqlMsg: return public.returnMsg(False,'DATABASE_ERR_CONNECT')
        if "using password:" in mysqlMsg: return public.returnMsg(False,'DATABASE_ERR_PASS')
        if "Connection refused" in mysqlMsg: return public.returnMsg(False,'DATABASE_ERR_CONNECT')
        if "1133" in mysqlMsg: return public.returnMsg(False,'DATABASE_ERR_NOT_EXISTS')
        if "libmysqlclient" in mysqlMsg: 
            self.rep_lnk()
            public.ExecShell("pip uninstall mysql-python -y")
            public.ExecShell("pip install pymysql")
            public.writeFile('data/restart.pl','True')
            return public.returnMsg(False,"执行失败，已尝试自动修复，请稍候重试!")
        return None

    def rep_lnk(self):
        shell_cmd = '''
Setup_Path=/www/server/mysql
#删除软链
DelLink()
{	
	rm -f /usr/bin/mysql*
	rm -f /usr/lib/libmysql*
	rm -f /usr/lib64/libmysql*
    rm -f /usr/bin/myisamchk
    rm -f /usr/bin/mysqldump
    rm -f /usr/bin/mysql
    rm -f /usr/bin/mysqld_safe
    rm -f /usr/bin/mysql_config
}
#设置软件链
SetLink()
{
    ln -sf ${Setup_Path}/bin/mysql /usr/bin/mysql
    ln -sf ${Setup_Path}/bin/mysqldump /usr/bin/mysqldump
    ln -sf ${Setup_Path}/bin/myisamchk /usr/bin/myisamchk
    ln -sf ${Setup_Path}/bin/mysqld_safe /usr/bin/mysqld_safe
    ln -sf ${Setup_Path}/bin/mysqlcheck /usr/bin/mysqlcheck
	ln -sf ${Setup_Path}/bin/mysql_config /usr/bin/mysql_config
	
	rm -f /usr/lib/libmysqlclient.so.16
	rm -f /usr/lib64/libmysqlclient.so.16
	rm -f /usr/lib/libmysqlclient.so.18
	rm -f /usr/lib64/libmysqlclient.so.18
	rm -f /usr/lib/libmysqlclient.so.20
	rm -f /usr/lib64/libmysqlclient.so.20
	rm -f /usr/lib/libmysqlclient.so.21
	rm -f /usr/lib64/libmysqlclient.so.21
	
	if [ -f "${Setup_Path}/lib/libmysqlclient.so.18" ];then
		ln -sf ${Setup_Path}/lib/libmysqlclient.so.18 /usr/lib/libmysqlclient.so.16
		ln -sf ${Setup_Path}/lib/libmysqlclient.so.18 /usr/lib64/libmysqlclient.so.16
		ln -sf ${Setup_Path}/lib/libmysqlclient.so.18 /usr/lib/libmysqlclient.so.18
		ln -sf ${Setup_Path}/lib/libmysqlclient.so.18 /usr/lib64/libmysqlclient.so.18
		ln -sf ${Setup_Path}/lib/libmysqlclient.so.18 /usr/lib/libmysqlclient.so.20
		ln -sf ${Setup_Path}/lib/libmysqlclient.so.18 /usr/lib64/libmysqlclient.so.20
	elif [ -f "${Setup_Path}/lib/mysql/libmysqlclient.so.18" ];then
		ln -sf ${Setup_Path}/lib/mysql/libmysqlclient.so.18 /usr/lib/libmysqlclient.so.16
		ln -sf ${Setup_Path}/lib/mysql/libmysqlclient.so.18 /usr/lib64/libmysqlclient.so.16
		ln -sf ${Setup_Path}/lib/mysql/libmysqlclient.so.18 /usr/lib/libmysqlclient.so.18
		ln -sf ${Setup_Path}/lib/mysql/libmysqlclient.so.18 /usr/lib64/libmysqlclient.so.18
		ln -sf ${Setup_Path}/lib/mysql/libmysqlclient.so.18 /usr/lib/libmysqlclient.so.20
		ln -sf ${Setup_Path}/lib/mysql/libmysqlclient.so.18 /usr/lib64/libmysqlclient.so.20
	elif [ -f "${Setup_Path}/lib/libmysqlclient.so.16" ];then
		ln -sf ${Setup_Path}/lib/libmysqlclient.so.16 /usr/lib/libmysqlclient.so.16
		ln -sf ${Setup_Path}/lib/libmysqlclient.so.16 /usr/lib64/libmysqlclient.so.16
		ln -sf ${Setup_Path}/lib/libmysqlclient.so.16 /usr/lib/libmysqlclient.so.18
		ln -sf ${Setup_Path}/lib/libmysqlclient.so.16 /usr/lib64/libmysqlclient.so.18
		ln -sf ${Setup_Path}/lib/libmysqlclient.so.16 /usr/lib/libmysqlclient.so.20
		ln -sf ${Setup_Path}/lib/libmysqlclient.so.16 /usr/lib64/libmysqlclient.so.20
	elif [ -f "${Setup_Path}/lib/mysql/libmysqlclient.so.16" ];then
		ln -sf ${Setup_Path}/lib/mysql/libmysqlclient.so.16 /usr/lib/libmysqlclient.so.16
		ln -sf ${Setup_Path}/lib/mysql/libmysqlclient.so.16 /usr/lib64/libmysqlclient.so.16
		ln -sf ${Setup_Path}/lib/mysql/libmysqlclient.so.16 /usr/lib/libmysqlclient.so.18
		ln -sf ${Setup_Path}/lib/mysql/libmysqlclient.so.16 /usr/lib64/libmysqlclient.so.18
		ln -sf ${Setup_Path}/lib/mysql/libmysqlclient.so.16 /usr/lib/libmysqlclient.so.20
		ln -sf ${Setup_Path}/lib/mysql/libmysqlclient.so.16 /usr/lib64/libmysqlclient.so.20
	elif [ -f "${Setup_Path}/lib/libmysqlclient_r.so.16" ];then
		ln -sf ${Setup_Path}/lib/libmysqlclient_r.so.16 /usr/lib/libmysqlclient_r.so.16
		ln -sf ${Setup_Path}/lib/libmysqlclient_r.so.16 /usr/lib64/libmysqlclient_r.so.16
	elif [ -f "${Setup_Path}/lib/mysql/libmysqlclient_r.so.16" ];then
		ln -sf ${Setup_Path}/lib/mysql/libmysqlclient_r.so.16 /usr/lib/libmysqlclient_r.so.16
		ln -sf ${Setup_Path}/lib/mysql/libmysqlclient_r.so.16 /usr/lib64/libmysqlclient_r.so.16
	elif [ -f "${Setup_Path}/lib/libmysqlclient.so.20" ];then
		ln -sf ${Setup_Path}/lib/libmysqlclient.so.20 /usr/lib/libmysqlclient.so.16
		ln -sf ${Setup_Path}/lib/libmysqlclient.so.20 /usr/lib64/libmysqlclient.so.16
		ln -sf ${Setup_Path}/lib/libmysqlclient.so.20 /usr/lib/libmysqlclient.so.18
		ln -sf ${Setup_Path}/lib/libmysqlclient.so.20 /usr/lib64/libmysqlclient.so.18
		ln -sf ${Setup_Path}/lib/libmysqlclient.so.20 /usr/lib/libmysqlclient.so.20
		ln -sf ${Setup_Path}/lib/libmysqlclient.so.20 /usr/lib64/libmysqlclient.so.20
	elif [ -f "${Setup_Path}/lib/libmysqlclient.so.21" ];then
		ln -sf ${Setup_Path}/lib/libmysqlclient.so.21 /usr/lib/libmysqlclient.so.16
		ln -sf ${Setup_Path}/lib/libmysqlclient.so.21 /usr/lib64/libmysqlclient.so.16
		ln -sf ${Setup_Path}/lib/libmysqlclient.so.21 /usr/lib/libmysqlclient.so.18
		ln -sf ${Setup_Path}/lib/libmysqlclient.so.21 /usr/lib64/libmysqlclient.so.18
		ln -sf ${Setup_Path}/lib/libmysqlclient.so.21 /usr/lib/libmysqlclient.so.20
		ln -sf ${Setup_Path}/lib/libmysqlclient.so.21 /usr/lib64/libmysqlclient.so.20
		ln -sf ${Setup_Path}/lib/libmysqlclient.so.21 /usr/lib/libmysqlclient.so.21
		ln -sf ${Setup_Path}/lib/libmysqlclient.so.21 /usr/lib64/libmysqlclient.so.21
	elif [ -f "${Setup_Path}/lib/libmariadb.so.3" ]; then
		ln -sf ${Setup_Path}/lib/libmariadb.so.3 /usr/lib/libmysqlclient.so.16
		ln -sf ${Setup_Path}/lib/libmariadb.so.3 /usr/lib64/libmysqlclient.so.16
		ln -sf ${Setup_Path}/lib/libmariadb.so.3 /usr/lib/libmysqlclient.so.18
		ln -sf ${Setup_Path}/lib/libmariadb.so.3 /usr/lib64/libmysqlclient.so.18
		ln -sf ${Setup_Path}/lib/libmariadb.so.3 /usr/lib/libmysqlclient.so.20
		ln -sf ${Setup_Path}/lib/libmariadb.so.3 /usr/lib64/libmysqlclient.so.20
		ln -sf ${Setup_Path}/lib/libmariadb.so.3 /usr/lib/libmysqlclient.so.21
		ln -sf ${Setup_Path}/lib/libmariadb.so.3 /usr/lib64/libmysqlclient.so.21
	elif [ -f "${Setup_Path}/lib/mysql/libmysqlclient.so.20" ];then
		ln -sf ${Setup_Path}/lib/mysql/libmysqlclient.so.20 /usr/lib/libmysqlclient.so.16
		ln -sf ${Setup_Path}/lib/mysql/libmysqlclient.so.20 /usr/lib64/libmysqlclient.so.16
		ln -sf ${Setup_Path}/lib/mysql/libmysqlclient.so.20 /usr/lib/libmysqlclient.so.18
		ln -sf ${Setup_Path}/lib/mysql/libmysqlclient.so.20 /usr/lib64/libmysqlclient.so.18
		ln -sf ${Setup_Path}/lib/mysql/libmysqlclient.so.20 /usr/lib/libmysqlclient.so.20
		ln -sf ${Setup_Path}/lib/mysql/libmysqlclient.so.20 /usr/lib64/libmysqlclient.so.20
	fi
}
DelLink
SetLink
'''    
        return public.ExecShell(shell_cmd)
    
    #删除数据库
    def DeleteDatabase(self,get):
        try:
            id=get['id']
            name = get['name']
            if os.path.exists('data/recycle_bin_db.pl'): return self.DeleteToRecycleBin(name)
            
            find = public.M('databases').where("id=?",(id,)).field('id,pid,name,username,password,accept,ps,addtime').find()
            accept = find['accept']
            username = find['username']
            #删除MYSQL
            result = panelMysql.panelMysql().execute("drop database `" + name + "`")
            isError=self.IsSqlError(result)
            if  isError != None: return isError
            users = panelMysql.panelMysql().query("select Host from mysql.user where User='" + username + "' AND Host!='localhost'")
            panelMysql.panelMysql().execute("drop user '" + username + "'@'localhost'")
            for us in users:
                panelMysql.panelMysql().execute("drop user '" + username + "'@'" + us[0] + "'")
            panelMysql.panelMysql().execute("flush privileges")
            #删除SQLITE
            public.M('databases').where("id=?",(id,)).delete()
            public.WriteLog("TYPE_DATABASE", 'DATABASE_DEL_SUCCESS',(name,))
            return public.returnMsg(True, 'DEL_SUCCESS')
        except Exception as ex:
            public.WriteLog("TYPE_DATABASE",'DATABASE_DEL_ERR',(get.name , str(ex)))
            return public.returnMsg(False,'DEL_ERROR')


    def db_name_to_unicode(self,name):
        '''
            @name 中文数据库名转换为Unicode编码
            @author hwliang<2021-12-20>
            @param name<string> 数据库名
            @return name<string> Unicode编码的数据库名
        '''
        return name.encode("unicode_escape").replace(b"\\u",b"@").decode()
    
    #删除数据库到回收站  
    def DeleteToRecycleBin(self,name):
        import json
        data = public.M('databases').where("name=?",(name,)).field('id,pid,name,username,password,accept,ps,addtime').find()
        username = data['username']
        panelMysql.panelMysql().execute("drop user '" + username + "'@'localhost'")
        users = panelMysql.panelMysql().query("select Host from mysql.user where User='" + username + "' AND Host!='localhost'")
        for us in users:
            panelMysql.panelMysql().execute("drop user '" + username + "'@'" + us[0] + "'")
        panelMysql.panelMysql().execute("flush privileges")
        rPath = '/www/Recycle_bin/'
        data['rmtime'] = int(time.time())
        u_name = self.db_name_to_unicode(name)
        rm_path = '{}/BTDB_{}_t_{}'.format(rPath,u_name,data['rmtime'])
        if os.path.exists(rm_path): rm_path += '.1'
        rm_config_file = '{}/config.json'.format(rm_path)
        datadir = public.get_datadir()

        db_path = '{}/{}'.format(datadir,u_name)
        if not os.path.exists(db_path):
            return public.returnMsg(False,'指安数据库数据不存在!')
        
        public.ExecShell("mv -f {} {}".format(db_path,rm_path))
        if not os.path.exists(rm_path):
            return public.returnMsg(False,'移动数据库数据到回收站失败!')
        public.writeFile(rm_config_file,json.dumps(data))
        # public.writeFile(rPath + 'BTDB_' + name +'_t_' + str(time.time()),json.dumps(data))
        public.M('databases').where("name=?",(name,)).delete()
        public.WriteLog("TYPE_DATABASE", 'DATABASE_DEL_SUCCESS',(name,))
        return public.returnMsg(True,'RECYCLE_BIN_DB')
    
    #永久删除数据库
    def DeleteTo(self,filename):
        import json
        if os.path.isfile(filename):
            data = json.loads(public.readFile(filename))
            if public.M('databases').where("name=?",( data['name'],)).count():
                os.remove(filename)
                return public.returnMsg(True,'DEL_SUCCESS')
            result = panelMysql.panelMysql().execute("drop database `" + data['name'] + "`")
            isError=self.IsSqlError(result)
            if  isError != None: return isError
            panelMysql.panelMysql().execute("drop user '" + data['username'] + "'@'localhost'")
            users = panelMysql.panelMysql().query("select Host from mysql.user where User='" + data['username'] + "' AND Host!='localhost'")
            for us in users:
                panelMysql.panelMysql().execute("drop user '" + data['username'] + "'@'" + us[0] + "'")
            panelMysql.panelMysql().execute("flush privileges")
            os.remove(filename)
        else:
            import shutil
            if os.path.exists(filename): 
                data = json.loads(public.readFile(filename + '/config.json'))
                shutil.rmtree(filename)
        try:
            public.WriteLog("TYPE_DATABASE", 'DATABASE_DEL_SUCCESS',(data['name'],))
        except:
            pass
        return public.returnMsg(True,'DEL_SUCCESS')
    
    #恢复数据库
    def RecycleDB(self,filename):
        import json
        _isdir = False
        if os.path.isfile(filename):
            data = json.loads(public.readFile(filename))
        else:
            re_config_file = filename + '/config.json'
            data = json.loads(public.readFile(re_config_file))
            u_name = self.db_name_to_unicode(data['name'])
            db_path = "{}/{}".format(public.get_datadir(),u_name)
            if os.path.exists(db_path):
                return public.returnMsg(False,'当前数据库中存在同名数据库，为保证数据安全，停止恢复!')
            _isdir = True
        
        if public.M('databases').where("name=?",( data['name'],)).count():
            if not _isdir: os.remove(filename)
            return public.returnMsg(True,'RECYCLEDB')
        

        if not _isdir:
            os.remove(filename)
        else:
            public.ExecShell('mv -f {} {}'.format(filename,db_path))
            if not os.path.exists(db_path):
                return public.returnMsg(False,'数据恢复失败!')
            db_config_file = "{}/config.json".format(db_path)
            if os.path.exists(db_config_file): os.remove(db_config_file)

            # 设置文件权限
            public.ExecShell("chown -R mysql:mysql {}".format(db_path))
            public.ExecShell("chmod -R 660 {}".format(db_path))
            public.ExecShell("chmod  700 {}".format(db_path))

        self.__CreateUsers(data['name'],data['username'],data['password'],data['accept'])
        public.M('databases').add('id,pid,name,username,password,accept,ps,addtime',(data['id'],data['pid'],data['name'],data['username'],data['password'],data['accept'],data['ps'],data['addtime']))
        return public.returnMsg(True,"RECYCLEDB")
    
    #设置ROOT密码
    def SetupPassword(self,get):
        password = get['password'].strip()
        try:
            if not password: return public.returnMsg(False,'root密码不能为空')
            rep = "^[\w%@#!\.\+-~]+$"
            if not re.match(rep, password): return public.returnMsg(False,  '数据库密码不能带有特殊符号')
            mysql_root = public.M('config').where("id=?",(1,)).getField('mysql_root')
            #修改MYSQL
            mysql_obj = panelMysql.panelMysql()
            result = mysql_obj.query("show databases")
            isError=self.IsSqlError(result)
            is_modify = True
            if  isError != None: 
                #尝试使用新密码
                public.M('config').where("id=?",(1,)).setField('mysql_root',password)
                result = mysql_obj.query("show databases")
                isError=self.IsSqlError(result)
                if  isError != None: 
                    public.ExecShell("cd /www/server/panel && "+public.get_python_bin()+" tools.py root \"" + password + "\"")
                    is_modify = False
            if is_modify:
                m_version = public.readFile(public.GetConfigValue('setup_path') + '/mysql/version.pl')
                
                if m_version.find('5.7') == 0  or m_version.find('8.0') == 0:
                    accept = self.map_to_list(mysql_obj.query("select Host from mysql.user where User='root'"))
                    for my_host in accept:
                        mysql_obj.execute("UPDATE mysql.user SET authentication_string='' WHERE User='root' and Host='{}'".format(my_host[0]))
                        mysql_obj.execute("ALTER USER `%s`@`%s` IDENTIFIED BY '%s'" % ('root',my_host[0],password))
                elif m_version.find('10.5.') != -1 or m_version.find('10.4.') != -1:
                    accept = self.map_to_list(mysql_obj.query("select Host from mysql.user where User='root'"))
                    for my_host in accept:
                        mysql_obj.execute("ALTER USER `%s`@`%s` IDENTIFIED BY '%s'" % ('root',my_host[0],password))
                else:
                    result = mysql_obj.execute("update mysql.user set Password=password('" + password + "') where User='root'")
                mysql_obj.execute("flush privileges")

            msg = public.getMsg('DATABASE_ROOT_SUCCESS')
            #修改SQLITE
            public.M('config').where("id=?",(1,)).setField('mysql_root',password)  
            public.WriteLog("TYPE_DATABASE", "DATABASE_ROOT_SUCCESS")
            session['config']['mysql_root']=password
            return public.returnMsg(True,msg)
        except Exception as ex:
            return public.returnMsg(False,'EDIT_ERROR' + str(ex))
    
    #修改用户密码
    def ResDatabasePassword(self,get):
        try:
            newpassword = get['password']
            username = get['name']
            id = get['id']
            if not newpassword: return public.returnMsg(False,'数据库[%s]密码不能为空' % username)
            name = public.M('databases').where('id=?',(id,)).getField('name')
            
            rep = "^[\w%@#!\.\+-~]+$"
            if  not re.match(rep, newpassword): return public.returnMsg(False, '数据库密码不能带有特殊符号')
            #修改MYSQL
            mysql_obj = panelMysql.panelMysql()
            m_version = public.readFile(public.GetConfigValue('setup_path') + '/mysql/version.pl')
            if m_version.find('5.7') == 0  or m_version.find('8.0') == 0 :
                accept = self.map_to_list(panelMysql.panelMysql().query("select Host from mysql.user where User='" + name + "' AND Host!='localhost'"))
                mysql_obj.execute("update mysql.user set authentication_string='' where User='" + username + "'")
                result = mysql_obj.execute("ALTER USER `%s`@`localhost` IDENTIFIED BY '%s'" % (username,newpassword))
                for my_host in accept:
                    mysql_obj.execute("ALTER USER `%s`@`%s` IDENTIFIED BY '%s'" % (username,my_host[0],newpassword))
            elif m_version.find('10.5.') != -1 or m_version.find('10.4.') != -1:
                accept = self.map_to_list(panelMysql.panelMysql().query("select Host from mysql.user where User='" + name + "' AND Host!='localhost'"))
                result = mysql_obj.execute("ALTER USER `%s`@`localhost` IDENTIFIED BY '%s'" % (username,newpassword))
                for my_host in accept:
                    mysql_obj.execute("ALTER USER `%s`@`%s` IDENTIFIED BY '%s'" % (username,my_host[0],newpassword))
            else:
                result = mysql_obj.execute("update mysql.user set Password=password('" + newpassword + "') where User='" + username + "'")
            
            isError=self.IsSqlError(result)
            if  isError != None: return isError

            mysql_obj.execute("flush privileges")
            #if result==False: return public.returnMsg(False,'DATABASE_PASS_ERR_NOT_EXISTS')
            #修改SQLITE
            if int(id) > 0:
                public.M('databases').where("id=?",(id,)).setField('password',newpassword)
            else:
                public.M('config').where("id=?",(id,)).setField('mysql_root',newpassword)
                session['config']['mysql_root'] = newpassword
            
            public.WriteLog("TYPE_DATABASE",'DATABASE_PASS_SUCCESS',(name,))
            return public.returnMsg(True,'DATABASE_PASS_SUCCESS',(name,))
        except Exception as ex:
            import traceback
            public.WriteLog("TYPE_DATABASE", 'DATABASE_PASS_ERROR',(username,traceback.format_exc(limit=True).replace('\n','<br>')))
            return public.returnMsg(False,'DATABASE_PASS_ERROR',(name,))    
    
    #备份
    def ToBackup(self,get):
        #try:
        result = panelMysql.panelMysql().execute("show databases")
        isError=self.IsSqlError(result)
        if isError: return isError
        id = get['id']
        name = public.M('databases').where("id=?",(id,)).getField('name')
        root = public.M('config').where('id=?',(1,)).getField('mysql_root')
        if not os.path.exists(session['config']['backup_path'] + '/database'): public.ExecShell('mkdir -p ' + session['config']['backup_path'] + '/database')
        if not self.mypass(True, root):return public.returnMsg(False, '数据库配置文件获取失败,请检查MySQL配置文件是否存在')
        
        fileName = name + '_' + time.strftime('%Y%m%d_%H%M%S',time.localtime()) + '.sql.gz'
        backupName = session['config']['backup_path'] + '/database/' + fileName

        try:
            password = public.M('config').where('id=?',(1,)).getField('mysql_root')
            os.environ["MYSQL_PWD"] = password
            public.ExecShell("/www/server/mysql/bin/mysqldump -R -E --triggers=false --default-character-set="+ public.get_database_character(name) +" --force --opt \"" + name + "\"  -u root | gzip > " + backupName)
        except Exception as e:
            raise
        finally:
            os.environ["MYSQL_PWD"] = ""

        if not os.path.exists(backupName): return public.returnMsg(False,'BACKUP_ERROR')
        
        self.mypass(False, root)
        
        sql = public.M('backup')
        addTime = time.strftime('%Y-%m-%d %X',time.localtime())
        sql.add('type,name,pid,filename,size,addtime',(1,fileName,id,backupName,0,addTime))
        public.WriteLog("TYPE_DATABASE", "DATABASE_BACKUP_SUCCESS",(name,))
        return public.returnMsg(True, 'BACKUP_SUCCESS')
        #except Exception as ex:
            #public.WriteLog("数据库管理", "备份数据库[" + name + "]失败 => "  +  str(ex))
            #return public.returnMsg(False,'备份失败!')
    
    #删除备份文件
    def DelBackup(self,get):
        try:
            id = get.id
            where = "id=?"
            filename = public.M('backup').where(where,(id,)).getField('filename')
            if os.path.exists(filename): os.remove(filename)
            name=''
            if filename == 'qiniu':
                name = public.M('backup').where(where,(id,)).getField('name')
                public.ExecShell(public.get_python_bin() + " "+public.GetConfigValue('setup_path') + '/panel/script/backup_qiniu.py delete_file ' + name)
            
            public.M('backup').where(where,(id,)).delete()
            public.WriteLog("TYPE_DATABASE", 'DATABASE_BACKUP_DEL_SUCCESS',(name,filename))
            return public.returnMsg(True, 'DEL_SUCCESS')
        except Exception as ex:
            public.WriteLog("TYPE_DATABASE", 'DATABASE_BACKUP_DEL_ERR',(name,filename,str(ex)))
            return public.returnMsg(False,'DEL_ERROR')
    
    #导入
    def InputSql(self,get):
        #try:
        result = panelMysql.panelMysql().execute("show databases")
        isError=self.IsSqlError(result)
        if isError: return isError
        name = get['name']
        file = get['file']
        root = public.M('config').where('id=?',(1,)).getField('mysql_root')
        tmp = file.split('.')
        exts = ['sql','gz','zip']
        ext = tmp[len(tmp) -1]
        if ext not in exts:
            return public.returnMsg(False, 'DATABASE_INPUT_ERR_FORMAT')
            
        isgzip = False
        if ext != 'sql':
            tmp = file.split('/')
            tmpFile = tmp[len(tmp)-1]
            tmpFile = tmpFile.replace('.sql.' + ext, '.sql')
            tmpFile = tmpFile.replace('.' + ext, '.sql')
            tmpFile = tmpFile.replace('tar.', '')
            # 面板默认备份路径
            backupPath = session['config']['backup_path'] + '/database'
            input_path = os.path.join(backupPath, tmpFile)
            # 备份文件的路径
            input_path2 = os.path.join(os.path.dirname(file), tmpFile)
            if ext == 'zip':
                public.ExecShell("cd "  +  backupPath  +  " && unzip " + '"'+file+'"')
            else:
                public.ExecShell("cd "  +  backupPath  +  " && tar zxf " +  '"'+file+'"')
                if not os.path.exists(input_path):
                    # 兼容从备份文件所在目录恢复
                    if not os.path.exists(input_path2):
                        public.ExecShell("cd "  +  backupPath  +  " && gunzip -q " +  '"'+file+'"')
                        isgzip = True
                    else:
                        input_path = input_path2
            if not os.path.exists(input_path) or tmpFile == '':
                if tmpFile and os.path.isfile(input_path2):
                    input_path = input_path2
                else:
                    return public.returnMsg(False, 'FILE_NOT_EXISTS',(tmpFile,))

            try:
                password = public.M('config').where('id=?',(1,)).getField('mysql_root')
                os.environ["MYSQL_PWD"] = password
                public.ExecShell(public.GetConfigValue('setup_path') + "/mysql/bin/mysql -uroot -p" + root + " --force \"" + name + "\" < " +'"'+ input_path +'"')
            except Exception as e:
                raise
            finally:
                os.environ["MYSQL_PWD"] = ""

            if isgzip:
                public.ExecShell('cd ' +os.path.dirname(input_path)+ ' && gzip ' + file.split('/')[-1][:-3])
            else:
                public.ExecShell("rm -f " +  input_path)
        else:
            try:
                password = public.M('config').where('id=?',(1,)).getField('mysql_root')
                os.environ["MYSQL_PWD"] = password
                public.ExecShell(public.GetConfigValue('setup_path') + "/mysql/bin/mysql -uroot -p" + root + " --force \"" + name + "\" < "+'"' +  file+'"')
            except Exception as e:
                raise
            finally:
                os.environ["MYSQL_PWD"] = ""
            
        public.WriteLog("TYPE_DATABASE", 'DATABASE_INPUT_SUCCESS',(name,))
        return public.returnMsg(True, 'DATABASE_INPUT_SUCCESS')
        #except Exception as ex:
            #public.WriteLog("TYPE_DATABASE", 'DATABASE_INPUT_ERR',(name,str(ex)))
            #return public.returnMsg(False,'DATABASE_INPUT_ERR')
    
    #同步数据库到服务器
    def SyncToDatabases(self,get):
        result = panelMysql.panelMysql().execute("show databases")
        isError=self.IsSqlError(result)
        if isError: return isError
        type = int(get['type'])
        n = 0
        sql = public.M('databases')
        if type == 0:
            data = sql.field('id,name,username,password,accept').select()
            for value in data:
                result = self.ToDataBase(value)
                if result == 1: n +=1
        else:
            import json
            data = json.loads(get.ids)
            for value in data:
                find = sql.where("id=?",(value,)).field('id,name,username,password,accept').find()   
                result = self.ToDataBase(find)
                if result == 1: n +=1
        
        return public.returnMsg(True,'DATABASE_SYNC_SUCCESS',(str(n),))
    
    #配置
    def mypass(self,act,password = None):
        conf_file = '/etc/my.cnf'
        conf_file_bak = '/etc/my.cnf.bak'
        if os.path.getsize(conf_file) > 2:
            public.writeFile(conf_file_bak,public.readFile(conf_file))
            public.set_mode(conf_file_bak,600)
            public.set_own(conf_file_bak,'mysql')
        elif os.path.getsize(conf_file_bak) > 2:
            public.writeFile(conf_file,public.readFile(conf_file_bak))
            public.set_mode(conf_file,600)
            public.set_own(conf_file,'mysql')
        
        public.ExecShell("sed -i '/user=root/d' {}".format(conf_file))
        public.ExecShell("sed -i '/password=/d' {}".format(conf_file))
        if act:
            password = public.M('config').where('id=?',(1,)).getField('mysql_root')
            mycnf = public.readFile(conf_file)
            if not mycnf: return False
            src_dump_re = r"\[mysqldump\][^.]"
            sub_dump = "[mysqldump]\nuser=root\npassword=\"{}\"\n".format(password)
            mycnf = re.sub(src_dump_re, sub_dump, mycnf)
            if len(mycnf) > 100: public.writeFile(conf_file,mycnf)
            return True
        return True
    
    #添加到服务器
    def ToDataBase(self,find):
        #if find['username'] == 'bt_default': return 0
        if len(find['password']) < 3 :
            find['username'] = find['name']
            find['password'] = public.md5(str(time.time()) + find['name'])[0:10]
            public.M('databases').where("id=?",(find['id'],)).save('password,username',(find['password'],find['username']))
        
        result = panelMysql.panelMysql().execute("create database `" + find['name'] + "`")
        if "using password:" in str(result): return -1
        if "Connection refused" in str(result): return -1
       
        password = find['password']
        #if find['password']!="" and len(find['password']) > 20:
            #password = find['password']
        
        self.__CreateUsers(find['name'],find['username'],password,find['accept'])
        return 1
    
    
    #从服务器获取数据库
    def SyncGetDatabases(self,get):
        data = panelMysql.panelMysql().query("show databases")
        isError = self.IsSqlError(data)
        if isError != None: return isError
        users = panelMysql.panelMysql().query("select User,Host from mysql.user where User!='root' AND Host!='localhost' AND Host!=''")
        if type(users) == str: return public.returnMsg(False,users)
        
        sql = public.M('databases')
        nameArr = ['information_schema','performance_schema','mysql','sys']
        n = 0
        for  value in data:
            b = False
            for key in nameArr:
                if value[0] == key:
                    b = True 
                    break
            if b:continue
            if sql.where("name=?",(value[0],)).count(): continue
            host = '127.0.0.1'
            for user in users:
                if value[0] == user[0]:
                    host = user[1]
                    break
                
            ps = public.getMsg('INPUT_PS')
            if value[0] == 'test':
                    ps = public.getMsg('DATABASE_TEST')
            
            # XSS过虑
            if not re.match("^[\w+\.-]+$",value[0]): continue
            
            addTime = time.strftime('%Y-%m-%d %X',time.localtime())

            if sql.table('databases').add('name,username,password,accept,ps,addtime',(value[0],value[0],'',host,ps,addTime)): n +=1
        
        return public.returnMsg(True,'DATABASE_GET_SUCCESS',(str(n),))
    
    
    #获取数据库权限
    def GetDatabaseAccess(self,get):
        name = get['name']
        users = panelMysql.panelMysql().query("select Host from mysql.user where User='" + name + "' AND Host!='localhost'")
        isError = self.IsSqlError(users)
        if isError != None: return isError
        users = self.map_to_list(users)

        if len(users)<1:
            return public.returnMsg(True,"127.0.0.1")
        
        accs = []
        for c in users:
            accs.append(c[0])
        userStr = ','.join(accs)
        return public.returnMsg(True,userStr)
    
    #设置数据库权限
    def SetDatabaseAccess(self,get):
        name = get['name']
        db_name = public.M('databases').where('username=?',(name,)).getField('name')
        access = get['access'].strip()
        if access in ['']: return public.returnMsg(False,'IP地址不能为空!')
        password = public.M('databases').where("username=?",(name,)).getField('password')
        mysql_obj = panelMysql.panelMysql()
        result = mysql_obj.query("show databases")
        isError = self.IsSqlError(result)
        if isError != None: return isError
        users = mysql_obj.query("select Host from mysql.user where User='" + name + "' AND Host!='localhost'")
        for us in users:
            mysql_obj.execute("drop user '" + name + "'@'" + us[0] + "'")
        self.__CreateUsers(db_name,name,password,access)
        return public.returnMsg(True, 'SET_SUCCESS')

    #获取数据库配置信息
    def GetMySQLInfo(self,get):
        data = {}
        try:
            public.CheckMyCnf()
            myfile = '/etc/my.cnf'
            mycnf = public.readFile(myfile)
            rep = "datadir\s*=\s*(.+)\n"
            data['datadir'] = re.search(rep,mycnf).groups()[0]
            rep = "port\s*=\s*([0-9]+)\s*\n"
            data['port'] = re.search(rep,mycnf).groups()[0]
        except:
            data['datadir'] = '/www/server/data'
            data['port'] = '3306'
        return data
    
    #修改数据库目录
    def SetDataDir(self,get):
        if get.datadir[-1] == '/': get.datadir = get.datadir[0:-1]
        if len(get.datadir) > 32: return public.returnMsg(False,'数据目录长度不能超过32位')
        if not re.search(r"^[0-9A-Za-z_/\\]+$",get.datadir): return public.returnMsg(False,'数据库路径中不能包含特殊符号')
        if not os.path.exists(get.datadir): public.ExecShell('mkdir -p ' + get.datadir)

        mysqlInfo = self.GetMySQLInfo(get)
        if mysqlInfo['datadir'] == get.datadir: return public.returnMsg(False,'DATABASE_MOVE_RE')
        
        public.ExecShell('/etc/init.d/mysqld stop')
        public.ExecShell('\cp -arf ' + mysqlInfo['datadir'] + '/* ' + get.datadir + '/')
        public.ExecShell('chown -R mysql.mysql ' + get.datadir)
        public.ExecShell('chmod -R 755 ' + get.datadir)
        public.ExecShell('rm -f ' + get.datadir + '/*.pid')
        public.ExecShell('rm -f ' + get.datadir + '/*.err')
        
        public.CheckMyCnf()
        myfile = '/etc/my.cnf'
        mycnf = public.readFile(myfile)
        public.writeFile('/etc/my_backup.cnf',mycnf)
        mycnf = mycnf.replace(mysqlInfo['datadir'],get.datadir)
        public.writeFile(myfile,mycnf)
        public.ExecShell('/etc/init.d/mysqld start')
        result = public.ExecShell('ps aux|grep mysqld|grep -v grep')
        if len(result[0]) > 10:
            public.writeFile('data/datadir.pl',get.datadir)
            return public.returnMsg(True,'DATABASE_MOVE_SUCCESS')
        else:
            public.ExecShell('pkill -9 mysqld')
            public.writeFile(myfile,public.readFile('/etc/my_backup.cnf'))
            public.ExecShell('/etc/init.d/mysqld start')
            return public.returnMsg(False,'DATABASE_MOVE_ERR')
    
    #修改数据库端口
    def SetMySQLPort(self,get):
        myfile = '/etc/my.cnf'
        mycnf = public.readFile(myfile)
        rep = r"port\s*=\s*([0-9]+)\s*\n"
        mycnf = re.sub(rep,'port = ' + get.port + '\n',mycnf)
        public.writeFile(myfile,mycnf)
        public.ExecShell('/etc/init.d/mysqld restart')
        return public.returnMsg(True,'EDIT_SUCCESS')
    
    #获取错误日志
    def GetErrorLog(self,get):
        path = self.GetMySQLInfo(get)['datadir']
        filename = ''
        for n in os.listdir(path):
            if len(n) < 5: continue
            if n[-3:] == 'err': 
                filename = path + '/' + n
                break
        if not os.path.exists(filename): return public.returnMsg(False,'FILE_NOT_EXISTS')
        if hasattr(get,'close'): 
            public.writeFile(filename,'')
            return public.returnMsg(True,'LOG_CLOSE')
        return public.GetNumLines(filename,1000)
    
    #二进制日志开关
    def BinLog(self,get):
        myfile = '/etc/my.cnf'
        mycnf = public.readFile(myfile)
        masterslaveconf = "/www/server/panel/plugin/masterslave/data.json"
        if mycnf.find('#log-bin=mysql-bin') != -1:
            if hasattr(get,'status'): return public.returnMsg(False,'0')
            mycnf = mycnf.replace('#log-bin=mysql-bin','log-bin=mysql-bin')
            mycnf = mycnf.replace('#binlog_format=mixed','binlog_format=mixed')
            public.ExecShell('sync')
            public.ExecShell('/etc/init.d/mysqld restart')
        else:
            path = self.GetMySQLInfo(get)['datadir']
            if not os.path.exists(path): return public.returnMsg(False,'数据库目录不存在!')
            if hasattr(get,'status'): 
                dsize = 0
                for n in os.listdir(path):
                    if len(n) < 9: continue
                    if n[0:9] == 'mysql-bin':
                        dsize += os.path.getsize(path + '/' + n)
                return public.returnMsg(True,dsize)
            if os.path.exists(masterslaveconf):
                return public.returnMsg(False, "请先卸载Mysql主从复制插件后再关闭二进制日志！！")
            mycnf = mycnf.replace('log-bin=mysql-bin','#log-bin=mysql-bin')
            mycnf = mycnf.replace('binlog_format=mixed','#binlog_format=mixed')
            public.ExecShell('sync')
            public.ExecShell('/etc/init.d/mysqld restart')
            public.ExecShell('rm -f ' + path + '/mysql-bin.*')
        
        public.writeFile(myfile,mycnf)
        return public.returnMsg(True,'SUCCESS')
    
    #获取MySQL配置状态
    def GetDbStatus(self,get):
        result = {}
        data = self.map_to_list( panelMysql.panelMysql().query('show variables'))
        gets = ['table_open_cache','thread_cache_size','query_cache_type','key_buffer_size','query_cache_size','tmp_table_size','max_heap_table_size','innodb_buffer_pool_size','innodb_additional_mem_pool_size','innodb_log_buffer_size','max_connections','sort_buffer_size','read_buffer_size','read_rnd_buffer_size','join_buffer_size','thread_stack','binlog_cache_size']
        result['mem'] = {}
        for d in data:
            try:
                for g in gets:
                    if d[0] == g: result['mem'][g] = d[1]
            except:
                continue

        if 'query_cache_type' in result['mem']:
            if result['mem']['query_cache_type'] != 'ON': result['mem']['query_cache_size'] = '0'
        return result
    
    #设置MySQL配置参数
    def SetDbConf(self,get):
        gets = ['key_buffer_size','query_cache_size','tmp_table_size','max_heap_table_size','innodb_buffer_pool_size','innodb_log_buffer_size','max_connections','query_cache_type','table_open_cache','thread_cache_size','sort_buffer_size','read_buffer_size','read_rnd_buffer_size','join_buffer_size','thread_stack','binlog_cache_size']
        emptys = ['max_connections','query_cache_type','thread_cache_size','table_open_cache']
        mycnf = public.readFile('/etc/my.cnf')
        n = 0
        m_version = public.readFile('/www/server/mysql/version.pl')
        if not m_version: m_version = ''
        for g in gets:
            if m_version.find('8.') == 0 and g in ['query_cache_type','query_cache_size']: 
                n += 1
                continue
            s = 'M'
            if n > 5 and not g in ['key_buffer_size','query_cache_size','tmp_table_size','max_heap_table_size','innodb_buffer_pool_size','innodb_log_buffer_size']: s = 'K'
            if g in emptys: s = ''
            if g in ['innodb_log_buffer_size']: 
                s = 'M'
                if int(get[g]) < 8:
                    return public.returnMsg(False,'innodb_log_buffer_size不能小于8MB')
            
            rep = r'\s*'+g+r'\s*=\s*\d+(M|K|k|m|G)?\n'

            c = g+' = ' + get[g] + s +'\n'
            if mycnf.find(g) != -1:
                mycnf = re.sub(rep,'\n'+c,mycnf,1)
            else:
                mycnf = mycnf.replace('[mysqld]\n','[mysqld]\n' +c)
            n+=1
        public.writeFile('/etc/my.cnf',mycnf)
        return public.returnMsg(True,'SET_SUCCESS')
    
    #获取MySQL运行状态
    def GetRunStatus(self,get):
        import time
        result = {}
        data = panelMysql.panelMysql().query('show global status')
        gets = ['Max_used_connections','Com_commit','Com_rollback','Questions','Innodb_buffer_pool_reads','Innodb_buffer_pool_read_requests','Key_reads','Key_read_requests','Key_writes','Key_write_requests','Qcache_hits','Qcache_inserts','Bytes_received','Bytes_sent','Aborted_clients','Aborted_connects','Created_tmp_disk_tables','Created_tmp_tables','Innodb_buffer_pool_pages_dirty','Opened_files','Open_tables','Opened_tables','Select_full_join','Select_range_check','Sort_merge_passes','Table_locks_waited','Threads_cached','Threads_connected','Threads_created','Threads_running','Connections','Uptime']
        try:
            if data[0] == 1045:
                return public.returnMsg(False,'MySQL密码错误!')
        
            for d in data:
                for g in gets:
                    try:
                        if d[0] == g: result[g] = d[1]
                    except:
                        pass
        except:
            return public.returnMsg(False,str(data))
            
        if not 'Run' in result and result:
            result['Run'] = int(time.time()) - int(result['Uptime'])
        tmp = panelMysql.panelMysql().query('show master status')
        try:

            result['File'] = tmp[0][0]
            result['Position'] = tmp[0][1]
        except:
            result['File'] = 'OFF'
            result['Position'] = 'OFF'
        return result
    
    
    #取慢日志
    def GetSlowLogs(self,get):
        path = self.GetMySQLInfo(get)['datadir'] + '/mysql-slow.log'
        if not os.path.exists(path): return public.returnMsg(False,'日志文件不存在!')
        return public.returnMsg(True,public.GetNumLines(path,100))
    

    # 获取当前数据库信息
    def GetInfo(self,get):
        info=self.GetdataInfo(get)
        return info
        if info:
            return info
        else:
            return public.returnMsg(False,"获取数据库失败!")
    
    #修复表信息
    def ReTable(self,get):
        m_version = public.readFile(public.GetConfigValue('setup_path') + '/mysql/version.pl')
        if m_version.find('5.1.')!=-1:return public.returnMsg(False,"不支持mysql5.1!")
        info=self.RepairTable(get)
        if info:
            return public.returnMsg(True,"修复完成!")
        else:
            return public.returnMsg(False,"修复失败!")
    
    # 优化表
    def OpTable(self,get):
        info=self.OptimizeTable(get)
        if info:
            return public.returnMsg(True,"优化成功!")
        else:
            return public.returnMsg(False,"优化失败或者已经优化过了")

    #更改表引擎
    def AlTable(self,get):
        info=self.AlterTable(get)
        if info:
            return public.returnMsg(True,"更改成功")
        else:
            return public.returnMsg(False,"更改失败")
            
    def get_average_num(self,slist):
        """
        @获取平均值
        """
        count = len(slist)      
        limit_size = 1 * 1024 * 1024        
        if count <= 0: return limit_size

        if len(slist) > 1:            
            slist = sorted(slist)
            limit_size =int((slist[0] + slist[-1])/2 * 0.85)
        return limit_size 

    def get_database_size(self,get):
        """
        获取数据库大小
        """
        result = {}
        tables = public.get_database_size()                
        data = public.M('databases').field('id,pid,name,ps,addtime').select()
        public.print_log(data)
        for x in data:
            name = x['name']
            x['total'] = 0
            x['backup_count'] = public.M('backup').where("pid=? AND type=?",(x['id'],'1')).count()
            if name in tables: x['total'] = tables[name]
            
            result[name] = x        
        return result

    def check_del_data(self,get):
        """
        @删除数据库前置检测
        """
        ids = json.loads(get.ids)
        slist = {};result = [];db_list_size = []        
        db_data = self.get_database_size(None)
        for key in db_data:
            data = db_data[key]
            if not data['id'] in ids: continue

            db_addtime = public.to_date(times = data['addtime'])     
            data['score'] = int(time.time() - db_addtime) + data['total']                
            data['st_time'] = db_addtime

            if data['total'] > 0 : db_list_size.append(data['total'])
            result.append(data)

        slist['data'] = sorted(result,key= lambda  x:x['score'],reverse=True)
        slist['db_size'] = self.get_average_num(db_list_size)
        return slist