Start a simple Python Http server to handle requests for test purposes.

SimpleRequestHandler.py

# run with $> python SimpleRequestHandler.py 8081

from BaseHTTPServer import HTTPServer
from BaseHTTPServer import BaseHTTPRequestHandler
import json, sys

port = 8080
if len(sys.argv) == 2:
  port = int(sys.argv[1])

response = {
  "name": "Marco Reinwarth",
  "token": "FGATRKURZGFD",
  "expires_in": 12345
}

class SimpleRequestHandler (BaseHTTPRequestHandler) :

    def do_GET(self) :

        if self.path == "/user/marco" :

            #send response code:
            self.send_response(200)

            #send headers:
            self.send_header("Content-Type", "application/json;charset=UTF-8")

            # send a blank line to end headers:
            self.wfile.write("\n")

            #send response:
            json.dump(response, self.wfile)

    def do_POST(self) :

        if self.path == "/user" :

            origin = self.headers.get('origin')

            #send response code:
            self.send_response(201)

            #send headers:
            self.send_header("Content-Type", "application/json;charset=UTF-8")

            self.send_header("Access-Control-Allow-Origin", origin)
            self.send_header("Access-Control-Allow-Methods", "GET, POST")
            self.send_header("Access-Control-Allow-Headers", "Content-Type")

            # send a blank line to end headers:
            self.wfile.write("\n")

            #send response:
            json.dump({}, self.wfile)

    def do_OPTIONS(self) :

        origin = self.headers.get('origin')

        self.send_response(200)
        self.send_header("Access-Control-Allow-Origin", origin)
        self.send_header("Access-Control-Allow-Methods", "GET, POST")
        self.send_header("Access-Control-Allow-Headers", "Content-Type")
        self.wfile.write("\n")

server = HTTPServer(("localhost", port), SimpleRequestHandler)

server.serve_forever()