ASJServer/Object/TokenObject.py

#!/usr/bin/env python3  
# -*- coding: utf-8 -*-  
"""
@Copyright (C) ansjer cop Video Technology Co.,Ltd.All rights reserved.
@AUTHOR: ASJRD018
@NAME: AnsjerOA
@software: PyCharm
@DATE: 2018/8/13 15:36
@Version: python3.6
@MODIFY DECORD:ansjer dev
@file: TokenObject.py
@Contact: chanjunkai@163.com
"""
from Ansjer.config import OAUTH_ACCESS_TOKEN_SECRET, OAUTH_REFRESH_TOKEN_SECRET, OAUTH_ACCESS_TOKEN_TIME, \
    OAUTH_REFRESH_TOKEN_TIME
import jwt, time
from Model.models import Device_User
from Object.RedisObject import RedisObject


class TokenObject:

    def __init__(self, token=None):
        if token == 'local':
            token = 'eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJ1c2VySUQiOiIxNTQzOTA5MDUwNDEzMTM4MDAxMzgwMDAiLCJsYW5nIjoiZW4iLCJ1c2VyIjoiMTM4MDAxMzgwMDEiLCJleHAiOjE1NTQ3MTQ2OTJ9.jMVRK8GtkZsTfypykBKOHL7Kyxf3BCs0_FQpmK6fAis'
        if token == 'test':
            token = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VyIjoiMTM4MDAxMzgwMDEiLCJ1c2VySUQiOiIxNTE1NjQyNjIzMzc5Mzk1MTM4MDAxMzgwMDEiLCJsYW5nIjoiZW4iLCJleHAiOjE1NTI2MTIxOTF9.sO8BtSclN6B-qwqNmYWbICatHYEtyMdoqzZ0hcOSsmg'
        self.token = token
        self.lang = None
        self.userID = None
        self.user = ''
        self.code = 0
        self.valid()

    def valid(self):
        if self.token is None:
            self.code = 309
            return
        try:
            res = jwt.decode(self.token, OAUTH_ACCESS_TOKEN_SECRET, algorithms='HS256')
            reds = RedisObject()
            resetCode = reds.get_data(key=res['userID']+'machine_code')
            if resetCode is False :
                # 过期不存在情况
                if resetCode != res['machine_code']:
                    user_qs = Device_User.objects.filter(userID=res['userID'], is_active=True,user_isValid=True).values("machine_code", )
                    order_list = list(user_qs)
                    for ev in order_list:
                        if res['machine_code'] != ev['machine_code'] :
                            # 与数据库的唯一码不一致
                            self.code = 309
                            return
                        else:
                            if not reds.set_data(key=res['userID'] + 'machine_code', val=res['machine_code'],
                                                 expire=5):  # 1个小时
                                return response.json(10, '生成缓存错误')
                else:
                    if ev['machine_code'] == '':
                        # 空的情况
                        if not reds.set_data(key=res['userID'] + 'machine_code', val=res['machine_code'],
                                             expire=5):  # 1个小时
                            return response.json(10, '生成缓存错误')

            else :
                # 存在情况
                print ('相同的machine_code值')

            self.userID = res.get('userID', None)
            self.lang = res.get('lang', None)
            self.user = res.get('user', '')
            # 刷新登录时间
            if self.userID:
                redisObj = RedisObject(db=3)
                redisObj.set_data(key=self.userID, val=self.user, expire=300)

        except jwt.ExpiredSignatureError as e:
            print('过期')
            print(repr(e))
            self.code = 309
            return
        except Exception as e:
            self.code = 309
            return
        else:
            if not self.userID:
                self.code = 309
                return
            else:
                self.code = 0
                return res

    def generate(self, data={}):
        try:
            access_expire = int(OAUTH_ACCESS_TOKEN_TIME.total_seconds())
            refresh_expire = int(OAUTH_REFRESH_TOKEN_TIME.total_seconds())
            now_stamp = int(time.time())
            access_data = data
            refresh_data = data
            access_data['exp'] = access_expire + now_stamp
            refresh_data['exp'] = refresh_expire + now_stamp
            access_token = jwt.encode(access_data,
                                      OAUTH_ACCESS_TOKEN_SECRET,
                                      algorithm='HS256')
            refresh_token = jwt.encode(
                refresh_data,
                OAUTH_REFRESH_TOKEN_SECRET,
                algorithm='HS256')
            res = {
                'access_token': access_token.decode('utf-8'),
                'access_expire': access_expire,
                'refresh_expire': refresh_expire,
                'refresh_token': refresh_token.decode('utf-8'),
            }
        except Exception as e:
            self.code = 309
            print(repr(e))
        else:
            self.code = 0
            return res

    def refresh(self):
        if not self.token:
            self.code = 309
            return
        try:
            res = jwt.decode(self.token, OAUTH_REFRESH_TOKEN_SECRET, algorithms='HS256')
        except jwt.ExpiredSignatureError as e:
            print('过期')
            print(repr(e))
            self.code = 309
        except Exception as e:
            self.code = 309
            print(repr(e))
        else:
            self.code = 0
            userID = res.get('userID', '')
            user = res.get('user', '')
            lang = self.lang
            refreshRes = self.generate(data={'userID': userID, 'lang':lang , 'user': user})
            return refreshRes