anthex / lora

Php + js webapp displaying incoming data passed by HTTP POST requests in real time

TO52 - LoRa Backend

This web application processes incoming HTTP:POST requests, performs a basic check on the data, stores it in a csv file and displays it in the form of a google chart.

This project is being developped in the context of the TO52 course at UTBM

Screenshot

Features

• User authentication using apache BasicAuth
• User-configurable chart type and colors
• Automatic cookies management for color choice
• Chart update on csv file modification (no page/div reload)
• Gluten-free

Todo

• MySQL integration
• Data structure rewrite for more flexibility
• User-friendly functions
• Automatic installation script with field configuration

Deployment instructions

• Clone this repo
• Create and edit .htaccess and .htpasswd for BasicAuth usage
• Edit the data structures according to your needs
• Send your POST requests to http://yoursever/restricted/submit.php (See python script in LoRa-Python)

Python request example (2.7)

Basic script to send POST request with 2 numeric arguments File : python_example/rest.py

usage example:

python ./rest.py 42 69

Code:

import urllib2
import urllib
import sys

username='yourusername'
password='yourpassword'

url = 'http://yourserver/restricted/submit.php/'
req = urllib2.Request(url)

values = {'temperature' : sys.argv[1] ,'humidite' : sys.argv[2]}
data = urllib.urlencode(values)
req.add_data(data)

#authentication
password_manager = urllib2.HTTPPasswordMgrWithDefaultRealm()
password_manager.add_password(None, url, username, password)
auth_manager = urllib2.HTTPBasicAuthHandler(password_manager)
opener = urllib2.build_opener(auth_manager)
urllib2.install_opener(opener)

#send request
code = type = 0

try:
   handler = urllib2.urlopen(req)
   code = handler.getcode()
   type = handler.headers.getheader('content-type')
except:
   print("error")
   code = -1


if code == 200:
   print("Requete envoyee avec succes.")
elif code == 401:
   print("Erreur d'authentification")
else:
   print("Erreur d'envoi de la requete. Code " + str(code))