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main.py
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main.py
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from __future__ import print_function
import os
import json
import strategy
import pymysql
from service import Service
from datetime import datetime
from logging import Formatter, FileHandler
from common import randstr, now_sec, json_dumps, make_qrcode
from flask import Flask, request, redirect, session, g, abort
app = Flask(__name__, static_url_path='')
app.config.from_pyfile('conf/config.py')
app.config['CWD'] = os.path.dirname(os.path.abspath(__file__))
app.config['STATIC_HOME'] = app.config['CWD'] + '/static'
app.config['QRCODE_HOME'] = app.config['STATIC_HOME'] + '/qrcode'
handler = FileHandler(app.config['CWD'] + '/' + app.config['LOG_FILE'])
handler.setFormatter(Formatter(app.config['LOG_FORMAT']))
app.logger.addHandler(handler)
app.logger.setLevel(app.config['LOG_LEVEL'])
strategy.logger = app.logger
import weixin
from weixin import Message
weixin.logger = app.logger
weixin.ssl_cert_file = app.config['WEIXIN_SSL_CERT_FILE']
weixin.ssl_key_file = app.config['WEIXIN_SSL_KEY_FILE']
weixin.APP_ID = app.config['APP_ID']
weixin.APP_SECRET = app.config['APP_SECRET']
weixin.API_KEY = app.config['API_KEY']
weixin.ENCODING_AES_KEY = app.config['ENCODING_AES_KEY']
weixin.TOKEN = app.config['TOKEN']
SUCCESS = 'SUCCESS'
FAIL = 'FAIL'
def connect_db():
return pymysql.connect(app.config['DB_HOST'], app.config['DB_USER'], app.config['DB_PASS'], app.config['DB_SCHEMA'],
use_unicode=True, charset='utf8')
def init_db():
with connect_db() as db:
with app.open_resource('schema.mysql.sql') as f:
db.execute(f.read().decode('utf-8'))
def shared_money(money):
return int(money * app.config['AGENT_SHARE_PERCENT'])
def create_menu():
menu = {
'button': [{
'type': 'view',
'name': '开始游戏',
'url': app.config['AUTH2_SHORT_URL']
},
{
'type': 'view',
'name': '优惠淘',
'url' : app.config['DISCOUNT_URL']
},
{
'type': 'view',
'name': '聚淘',
'url' : app.config['DISCOUNT_URL']
}
]
}
rsp = weixin.create_menu(menu)
app.logger.info('create menu return: %s', rsp['errmsg'])
def print_req(req, printer):
printer(req.method)
printer(req.url)
printer(req.headers)
printer(req.environ)
printer(req.form)
printer(req.data)
def ret_msg(ret, msg = ''):
return json_dumps({ 'ret': ret, 'msg': msg })
def _timestamp_str():
now = datetime.now()
return now.strftime('%Y%m%d%H%M%S%f')[0:-3]
def build_mch_billno():
return app.config['MCH_ID'] + _timestamp_str()
# http_msg: request or response
def get_json_object(http_msg):
return json.loads(http_msg.data.decode('utf-8'))
def weixin_oauth2_url():
return weixin.oauth2_url(app.config['RESTFUL_ROOT'] + '/auth/redirect')
def _get_agent(eventkey):
content = eventkey[len('qrscene_'):]
return int(content)
def _handle_subscribe(service, msg):
user = service.find_user(msg.FromUserName)
if 'EventKey' in msg:
agent = _get_agent(msg.EventKey)
# 分销关注
if user is None:
app.logger.info('user: %s subscribe app follow by agent: %d', msg.FromUserName, agent)
service.create_user(msg.FromUserName, agent)
service.save_event(msg.FromUserName, 'follow', agent)
else:
app.logger.info('user: %s subscribe app follow by agent: %d, but has registered', msg.FromUserName, agent)
service.save_event(msg.FromUserName, 'refollow', agent)
else:
# 主动关注
if user is None:
app.logger.info('new user: %s subscribe app, register', msg.FromUserName)
service.create_user(msg.FromUserName)
else:
app.logger.info('user: %s subscribe app', msg.FromUserName)
service.save_event(msg.FromUserName, 'subscribe')
session['openid'] = msg.FromUserName
return SUCCESS
def _handle_unsubscribe(service, msg):
app.logger.info('user %s unsubscribe app', msg.FromUserName)
service.save_event(msg.FromUserName, msg.Event)
return SUCCESS
def _handle_scan(service, msg):
agent = int(msg.EventKey)
app.logger.info('user %s scan qrcode own by user: %d', msg.FromUserName)
service.save_event(msg.FromUserName, msg.Event, agent)
return SUCCESS
def _build_order(openid, money, remote_addr):
order = Message()
order.appid = app.config['APP_ID']
order.nonce_str = randstr()
order.mch_id = app.config['MCH_ID']
order.body = 'game-tax'
order.out_trade_no = _timestamp_str()
order.total_fee = money
order.spbill_create_ip = remote_addr
order.notify_url = app.config['RESTFUL_ROOT'] + '/pay/notify'
order.trade_type = 'JSAPI'
order.openid = openid
order.sign()
return order
def _send_redpack(service, openid, user_pay_id, money):
money = strategy.get_strategy().pay(openid, money)
redpack = Message()
redpack.nonce_str = randstr()
redpack.mch_billno = build_mch_billno()
redpack.mch_id = app.config['MCH_ID']
redpack.wxappid = app.config['APP_ID']
redpack.send_name = app.config['MCH_NAME']
redpack.re_openid = openid
redpack.total_amount = money
redpack.total_num = 1
redpack.wishing = app.config['REDPACK_WISHING']
redpack.client_ip = app.config['LOCAL_IP']
redpack.act_name = app.config['REDPACK_ACTIVE_NAME']
redpack.remark = app.config['REDPACK_REMARK']
redpack.sign()
# FIXME: 若在发出红包之后,向微信确认之前出现异常,微信会重复发送此事件,导致重复给用户发红包
result = weixin.send_redpack(redpack)
sys_pay = dict(openid=openid, money=money, billno=redpack.mch_billno,
user_pay_id=user_pay_id, state='SENDED', type='RETURN')
service.save_sys_pay(sys_pay)
# todo: 给用户发红包失败后应有应对措施
if result.return_code == FAIL:
app.logger.error('communication error while send redpack to user: %s, billno: %s, reason: %s',
openid, redpack.mch_billno, result.return_msg)
sys_pay['state'] = FAIL
sys_pay['error_msg'] = result.return_msg
service.update_sys_pay(sys_pay)
return
if result.result_code == FAIL:
app.logger.error('send redpack to user: %s failed, billno: %s, reason: %s-%s',
openid, redpack.mch_billno, result.err_code, result.err_code_des)
sys_pay['state'] = FAIL
sys_pay['error_msg'] = '{}-{}'.format(result.err_code, result.err_code_des)
service.update_sys_pay(sys_pay)
return
app.logger.info('send redpack to user: %s success, billno: %s', openid, redpack.mch_billno)
sys_pay['state'] = SUCCESS
sys_pay['wx_billno'] = result.send_listid
service.update_sys_pay(sys_pay)
@app.before_request
def before_request():
g.db = connect_db()
g.service = Service(g.db)
@app.after_request
def after_request(response):
g.db.close()
return response
@app.route('/')
def index():
return app.send_static_file('index.html')
@app.route('/api/debug', methods=['POST'])
def wx_debug_helper():
print_req(request, app.logger.info)
return 'ok'
@app.route('/api/callback')
def auth():
return request.args.get('echostr')
@app.route('/api/callback', methods=['POST'])
def callback():
msg = Message(request.data)
if app.config['TESTING']: msg = msg.decrypt()
if msg.MsgType == 'event':
if msg.Event == 'subscribe':
return _handle_subscribe(g.service, msg)
if msg.Event == 'unsubscribe':
return _handle_unsubscribe(g.service, msg)
if msg.Event == 'SCAN':
return _handle_scan(g.service, msg)
reply = Message()
reply.ToUserName = msg.FromUserName
reply.FromUserName = msg.ToUserName
reply.CreateTime = now_sec()
reply.MsgType = 'text'
reply.Content = app.config['AUTH2_SHORT_URL']
if not app.config['TESTING']: reply = reply_msg.encrypt()
return reply.xml()
@app.route('/api/share/qrcode')
def get_user_share_qrcode():
openid = session.get('openid')
if not openid:
return redirect(weixin_oauth2_url())
user = g.service.find_user(openid)
rsp = dict(ret=SUCCESS, msg='ok')
if not user['share_qrcode']:
qr_file = randstr()
auth_url = weixin.oauth2_url(app.config['RESTFUL_ROOT'] + '/auth/redirect', user['id'])
short_url = weixin.url_to_short(auth_url)
make_qrcode(short_url['short_url'], '%s/%s.png' % (app.config['QRCODE_HOME'], qr_file))
user['share_qrcode'] = qr_file + '.png'
g.service.update_user(user)
rsp['qrcode'] = user['share_qrcode']
app.logger.debug("user: %s, get qrcode return: %s", openid, rsp)
return json_dumps(rsp)
# 用户在网页端授权后回调至此位置
@app.route('/api/auth/redirect')
def auth_redirect():
openid = session.get('openid')
if openid is None:
access_token = weixin.get_web_auth_access_token(request.args.get('code'))
if 'errcode' in access_token:
app.logger.warn("get weixin auth access token failed: %d:%s", access_token['errcode'], access_token['errmsg'])
return redirect(weixin_oauth2_url())
openid = access_token['openid']
agent = request.args.get('state')
if agent:
if agent.isdecimal(): agent = int(agent)
else:
app.logger.warning("get a wrong agent argument from: %s, agent: %s", request.environ['REMOTE_ADDR'], agent)
agent = 0
# 记录用户登录信息
user = g.service.find_user(openid)
if user is None:
if agent:
g.service.create_user(openid, agent)
app.logger.info('register a new user, openid: %s follow by: %d', openid, agent)
else:
g.service.create_user(openid)
app.logger.info('register a new user, openid: %s', openid)
g.service.record_login(openid)
app.logger.info('user: %s logined', openid)
session['openid'] = openid
return redirect(app.config['WEB_ROOT'] + '/index.html')
@app.route('/api/jsapi/sign')
def get_jsapi_sign():
url = request.args.get('url') # 当前需要执行jsapi的url
if url is None:
return 'fuck you'
return json_dumps(weixin.get_jsapi_sign(url))
# DOC: https://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_7
@app.route('/api/pay/notify', methods=['POST'])
def process_pay_result():
reply = Message()
reply.return_code = SUCCESS
reply.return_msg = 'OK'
result = Message(request.data)
if result.return_code == FAIL:
app.logger.warning('communication error while pay notify, reason: %s', result.return_msg)
return reply.xml()
if not result.check_sign():
app.logger.warning('check weixin pay notify sign failed, openid: %s, from ip: %s', result.openid, request.environ['REMOTE_ADDR'])
reply.return_code = FAIL
rsply.return_msg = 'check sign failed'
return reply.xml()
openid = result.openid
trade_no = result.out_trade_no
pay = g.service.find_user_pay(trade_no)
if pay is None:
app.logger.error('get a pay notify but not has recorded, openid: %s, trade no: %s', openid, trade_no)
return reply.xml()
if result.result_code == FAIL:
app.logger.waring('user pay failed, openid: %s, trade no: %s, reason: %s', openid, trade_no, result.err_code_des)
pay['state'] = FAIL
pay['error_msg'] = result.err_code_des
g.service.update_user_pay(pay)
return reply.xml()
# user pay success
app.logger.info('user pay success, openid: %s, trade no: %s', openid, trade_no)
pay['state'] = SUCCESS
g.service.update_user_pay(pay)
# send redpack to user
_send_redpack(g.service, openid, pay['id'], pay['money'])
return reply.xml()
@app.route('/api/pay', methods=['POST'])
def receive_tax():
openid = session.get('openid')
if openid is None:
return redirect(weixin_oauth2_url())
remote_addr = request.environ['REMOTE_ADDR']
if not request.data:
app.logger.warning("get a empty pay request from user: %s, ip: %s", openid, remote_addr)
return ret_msg(FAIL, 'money amount is required')
data = get_json_object(request)
if 'money' not in data or type(data['money']) is not int or data['money'] not in app.config['AVAILABLE_PAY_MONEY']:
app.logger.warning("get a illegal pay request from user: %s, ip: %s, illegal money: %s", openid, remote_addr, str(data.get('money')))
return ret_msg(FAIL, 'money content error')
order = _build_order(openid, data['money'], remote_addr)
result = weixin.make_order(order)
pay_info = dict(openid=openid, money=data['money'], trade_no=order.out_trade_no, ip=remote_addr,)
if result.return_code == FAIL:
app.logger.warning('communication error while make order, reason: %s', result.return_msg)
pay_info['state'] = FAIL
pay_info['error_msg'] = result.return_msg
g.service.save_user_pay(pay_info)
return ret_msg(FAIL, result.return_msg)
if result.result_code == FAIL:
app.logger.warning('make order to weixin failed, reason: %d:%s', result.err_code, result.err_code_des)
pay_info['state'] = FAIL
pay_info['error_msg'] = result.err_code_des
g.service.save_user_pay(pay_info)
return ret_msg(FAIL, "{}:{}".format(result.err_code, result.err_code_des))
# save to db
app.logger.info('user: %s make order success, wait to pay, trade_no: %s', openid, order.out_trade_no)
pay_info['state'] = 'PREPAY'
pay_info['prepay_id'] = result.prepay_id
g.service.save_user_pay(pay_info)
# get sign
pay_sign = weixin.get_pay_sign(result.prepay_id)
pay_sign['ret'] = SUCCESS
pay_sign['msg'] = 'ok'
return json_dumps(pay_sign)
@app.route('/api/income/last')
def get_user_last_income():
openid = session.get('openid')
if openid is None:
return redirect(weixin_oauth2_url())
rsp = g.service.find_user_last_income(openid)
rsp = rsp or (None, None)
ret = dict(ret=SUCCESS, msg='ok', money=rsp[0], time=rsp[1])
if rsp[0] is None:
ret['msg'] = 'not found'
return json_dumps(ret)
@app.route('/api/agent/account')
def get_user_account_detail_as_agent():
openid = session.get('openid')
if openid is None:
return redirect(weixin_oauth2_url())
# todo: 检查参数中是否仅包含数字
page = int(request.args.get('page', 0))
pagesize = int(request.args.get('pagesize', 50))
_offset = page * pagesize
total_bill_num = g.service.find_agent_bill_num(openid)
shared_bill_num = g.service.find_agent_shared_bill_num(openid)
bills = g.service.find_agent_bill(openid, _offset, pagesize)
total_income = 0
shared_income = 0
ret_bills = []
for b in bills:
income = shared_money(b['money'])
total_income += income
shared_income += b['shared_money'] or 0
ret_bills.append(dict(income=income, time=b['timestamp'], shared=(b['shared_money'] is not None), share_time=b['shared_timestamp']))
ret = dict(ret=SUCCESS, msg='ok', total_bill_num=total_bill_num, shared_bill_num=shared_bill_num,
page=page, pagesize=pagesize, total_income=total_income, shared_income=shared_income,
follower_num=g.service.find_follower_num(openid), bills=ret_bills)
return json_dumps(ret)
# just for test
@app.route('/api/test/<func>', methods=['POST'])
def test(func):
if not app.config['TESTING']:
abort(403)
if func == 'login':
session['openid'] = request.args['openid']
return 'ok'
if func == 'logout':
del session['openid']
if func == 'session':
return json_dumps(dict(session))
return 'ok'
if __name__ == '__main__':
debug = app.config['TESTING']
app.run('0.0.0.0', port=80, threaded=True, debug=debug)