#!/usr/bin/env python3  
# -*- coding: utf-8 -*-  
"""
@Copyright (C) ansjer cop Video Technology Co.,Ltd.All rights reserved.
@AUTHOR: ASJRD018
@NAME: AnsjerFormal
@software: PyCharm
@DATE: 2018/12/5 9:30
@Version: python3.6
@MODIFY DECORD:ansjer dev
@file: CloudVod.py
@Contact: chanjunkai@163.com
"""
from django.views.generic.base import View
from django.utils.decorators import method_decorator
from django.views.decorators.csrf import csrf_exempt
from Object.TokenObject import TokenObject
from Object.ResponseObject import ResponseObject
from django.http import JsonResponse
from aliyunsdkcore import client
from aliyunsdksts.request.v20150401 import AssumeRoleRequest
import json
import oss2
import jwt
from Ansjer.config import UID_TOKEN_KEY
from Object.UidTokenObject import UidTokenObject

# 设备信息添加
class CloudVodView(View):
    @method_decorator(csrf_exempt)
    def dispatch(self, *args, **kwargs):
        return super(CloudVodView, self).dispatch(*args, **kwargs)

    def get(self, request, *args, **kwargs):
        request.encoding = 'utf-8'
        operation = kwargs.get('operation')
        return self.validation(request.GET, operation)

    def post(self, request, *args, **kwargs):
        request.encoding = 'utf-8'
        operation = kwargs.get('operation')
        return self.validation(request.POST, operation)

    def validation(self, request_dict, operation):
        response = ResponseObject()
        if operation is None:
            return response.json(444, 'error path')
        if operation == 'getSts':
            # 移动侦测获取设备sts证书
            return self.do_getSts(request_dict, response)
        elif operation == 'xxx':
            token = request_dict.get('token', None)
            tko = TokenObject(token)
            tko.valid()
            response.lang = tko.lang
            if tko.code != 0:
                return response.json(tko.code)
            userID = tko.userID
        else:
            return response.json(10)

    def do_getSts(self, request_dict, response):
        '''
        生成sts上传授权
        '''
        # uidToken = 'eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJ1aWQiOiJGVFNMTDhITTQzN1ozOFdVMTExQSJ9.GIBt8SgY-3yRt9mlihtvRwLM-MT8uVPDKCUQ2yvV3Vo'
        uidToken = request_dict.get('uidToken', None)
        utko = UidTokenObject(uidToken)
        if utko.flag is False:
            return response.json(444, 'uidToken')
        UID = utko.UID
        endpoint = 'oss-cn-shenzhen.aliyuncs.com'
        access_key_id = 'LTAIyMkGfEdogyL9'
        access_key_secret = '71uIjpsqVOmF7DAITRyRuc259jHOjO'
        bucket_name = 'cloudvod1'
        # role_arn是角色的资源名称。
        role_arn = 'acs:ram::1901342792446414:role/stsoss'
        clt = client.AcsClient(access_key_id, access_key_secret, 'cn-shenzhen')
        req = AssumeRoleRequest.AssumeRoleRequest()
        # 设置返回值格式为JSON。
        req.set_accept_format('json')
        req.set_RoleArn(role_arn)
        req.set_RoleSessionName(UID)
        req.set_DurationSeconds(3600)
        policys = {
            "Version": "1",
            "Statement": [
                {
                    "Action": [
                        "oss:PutObject",
                        "oss:DeleteObject",
                    ],
                    "Resource": ["acs:oss:*:*:cloudvod1/*"],
                    "Effect": "Allow",
                    "Condition": {
                        "IpAddress": {
                            "acs:SourceIp": "120.237.157.184"
                        }
                    }
                }
            ]
        }
        req.set_Policy(Policy=json.dumps(policys))
        body = clt.do_action(req)
        # 使用RAM账号的AccessKeyId和AccessKeySecret向STS申请临时token。
        token = json.loads(body)
        print(token)
        res = {
            'AccessKeyId': token['Credentials']['AccessKeyId'],
            'AccessKeySecret': token['Credentials']['AccessKeySecret'],
            'SecurityToken': token['Credentials']['SecurityToken'],
            'Expiration': token['Credentials']['Expiration'],
            'expire': '3600',
            'endpoint': endpoint,
            'bucket_name': bucket_name,
            'arn': token['AssumedRoleUser']['Arn'],
            'code': 0,
            'storage':'{UID}/{Channel}/'.format(UID=UID,Channel=Channel)
        }
        return JsonResponse(status=200, data=res)