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server.py
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server.py
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import ConfigParser
import logging
import os
from functools import wraps
from flask import Flask, Response, request, send_from_directory
import api
app = Flask(__name__, template_folder='.')
app.register_blueprint(api.blueprint, url_prefix='/api')
config = ConfigParser.ConfigParser()
config.read('config/properties.ini')
def check_auth(username, password):
"""This function is called to check if a username /
password combination is valid.
"""
return username == config.get('properties', 'username') and password == config.get('properties', 'password')
def authenticate():
"""Sends a 401 response that enables basic auth"""
return Response(
'Could not verify your access level for that URL.\n'
'You have to login with proper credentials', 401,
{'WWW-Authenticate': 'Basic realm="Login Required"'})
def requires_auth(f):
@wraps(f)
def decorated(*args, **kwargs):
auth = request.authorization
if not auth or not check_auth(auth.username, auth.password):
return authenticate()
return f(*args, **kwargs)
return decorated
@app.route('/')
@app.route('/vis')
@app.route('/uploading')
@app.route('/downloading')
@requires_auth
def html():
''' Serves the index.html file for frontend views'''
return send_from_directory(".", "index.html")
@app.route("/static/build/bundle.js")
def bundle():
''' Serves the bundle.js file that controls the frontend view'''
return send_from_directory("static/build", "bundle.js")
if __name__ == '__main__':
logging.root.setLevel("INFO")
port = os.getenv('VCAP_APP_PORT', '8080')
app.run(host='0.0.0.0', port=int(port), debug=True, processes=4)