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Jenkins T. Quantopian, III
149 lines
4.9 KiB
Python
149 lines
4.9 KiB
Python
import tornado.auth
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import tornado.httpserver
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import tornado.ioloop
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from tornado.options import define, options
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import tornado.web
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import pymongo
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import bson
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import hashlib
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import base64
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import uuid
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import os
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import logging
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import datetime
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import multiprocessing
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from qbt import *
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from qbt_client import *
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logger = logging.getLogger()
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define("port", default=8888, help="run the qbt on the given port", type=int)
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define("mongodb_host", default="127.0.0.1", help="mongodb host address")
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define("mongodb_port", default=27017, help="connect to the mongodb on the given port", type=int)
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define("mongodb_dbname", default="qbt", help="database name")
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define("mongodb_user", default="qbt", help="database user")
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define("mongodb_password", default="qbt", help="database password")
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HASH_ALGO = 'sha256'
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def connect_db():
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connection = pymongo.Connection(options.mongodb_host, options.mongodb_port)
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db = connection[options.mongodb_dbname]
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db.authenticate(options.mongodb_user, options.mongodb_password)
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return connection, db
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def encrypt_password(salt, password):
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if(salt == None):
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h1 = hashlib.new(HASH_ALGO)
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h1.update(str(datetime.datetime.utcnow())+"--"+password)
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salt = h1.hexdigest()
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h2 = hashlib.new(HASH_ALGO)
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h2.update(salt+"--"+password)
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encrypted_password = h2.hexdigest()
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return salt, encrypted_password
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class Application(tornado.web.Application):
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def __init__(self):
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handlers = [
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(r"/", MainHandler),
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(r"/login", LoginHandler),
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(r"/backtest", BacktestHandler)
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]
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settings = dict(
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template_path=os.path.join(os.path.dirname(__file__), "templates"),
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static_path=os.path.join(os.path.dirname(__file__), "static"),
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xsrf_cookies=False,
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cookie_secret=base64.b64encode(uuid.uuid4().bytes + uuid.uuid4().bytes),
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login_url="/login",
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#autoescape=None,
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#debug=True,
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)
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tornado.web.Application.__init__(self, handlers, **settings)
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# Have one global connection to the blog DB across all handlers
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self.connection, self.db = connect_db()
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class BaseHandler(tornado.web.RequestHandler):
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@property
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def db(self):
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return self.application.db
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def get_current_user(self):
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return "fawce"
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user_id = self.get_secure_cookie(u"user_id")
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logger.info("looking up user with id: {id}".format(id=user_id))
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if not user_id: return None
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#get user record by id
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users = self.db.users.find(spec={"_id":bson.ObjectId(user_id)}, limit=1)
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if(users.count > 0):
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return users[0]
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return None
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class MainHandler(BaseHandler):
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@tornado.web.authenticated
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def get(self):
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self.write("Hello, world. Try launching a <a href='/backtest'>backtest</a>.")
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class LoginHandler(BaseHandler):
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def get(self):
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self.write('<html><body><form action="/login" method="post">'
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'Name: <input type="text" name="user_name">'
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'pass: <input type="password" name="password">'
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'<input type="submit" value="Sign in">'
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'</form></body></html>')
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def post(self):
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self.authenticate(self.get_argument("user_name"),self.get_argument("password"))
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self.redirect("/")
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def authenticate(self, username, password):
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h = hashlib.new(HASH_ALGO)
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#find user record by username.
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users = self.db.users.find(spec={"email":username}, limit=1)
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if(users.count > 0):
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user_record = users[0]
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else:
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logger.debug("no user with name: {username}", username=username)
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return
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#calculate password hash
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salt, encrypted_password = encrypt_password(user_record['salt'], password)
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if (user_record['encrypted_password'] == encrypted_password):
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#we have a match, so set the secure cookie to the salt
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logger.debug("setting user_id cookie to {id}".format(id=user_record['_id']))
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self.set_secure_cookie(u"user_id", unicode(user_record['_id']))
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class BacktestHandler(BaseHandler):
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@tornado.web.authenticated
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def get(self):
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self.write('<html><body><form action="/backtest" method="post">'
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'<input type="submit" value="Launch">'
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'</form></body></html>')
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@tornado.web.authenticated
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def post(self):
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bt = Backtest(self.db, logger)
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#btc = BacktestClient(DATA_FEED_PORT, logger)
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bt_proc = multiprocessing.Process(target=bt.run)
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#btc_proc = multiprocessing.Process(target=btc.run)
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bt_proc.start()
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#btc_proc.start()
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def main():
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tornado.options.parse_command_line()
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http_server = tornado.httpserver.HTTPServer(Application())
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http_server.listen(options.port)
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tornado.ioloop.IOLoop.instance().start()
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if __name__ == "__main__":
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main()
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