backend/gettoken.py

#!/usr/bin/python
import webbrowser
from http.server import BaseHTTPRequestHandler, HTTPServer, SimpleHTTPRequestHandler
import urllib.parse as urlparse
from urllib.parse import parse_qs
import sys
import requests as r

no_browser = False
API_ADDRESS = "http://localhost:1285"

if len(sys.argv) > 1 :    
    if (sys.argv[1] == "no-browser" or sys.argv[2] == "no-browser"):
        no_browser = True
    else:
        API_ADDRESS = "http://" + sys.argv[1] + ":1285"

PORT = 3000


class S(BaseHTTPRequestHandler):
    def _set_response(self):
        self.send_response(200)
        self.send_header('Content-type', 'text/html')
        self.end_headers()

    def do_GET(self):
        parsed = urlparse.urlparse(str(self.path))
        ticket = str(parse_qs(parsed.query)['ticket'][0])
        print(ticket)
        response = r.get(API_ADDRESS + "/token?ticket=" + ticket)
        self._set_response()
        self.wfile.write("Your token: {}".format(
            response.text).encode('utf-8'))

def wait_for_request(server_class=HTTPServer,
                     handler_class=S):
    server_address = ('localhost', PORT)
    httpd = server_class(server_address, handler_class)
    return httpd.handle_request()


url = 'https://cas.amu.edu.pl/cas/login?service=http://localhost:' + \
    str(PORT) + '&locale=pl'

if no_browser == False:
    webbrowser.open_new_tab(url)
wait_for_request()