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validator.py
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validator.py
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# -- Web-Based IP Address Validator --
# By Arun Barnard on 01/07/19
# Import libraries and modules
from flask import Flask, render_template, request
import pandas as pd
from geoip import geolite2
app = Flask(__name__)
# Default
@app.route('/')
def home():
# Return the default HTML site when the website loads.
return render_template('main.html')
@app.route('/', methods=['POST'])
def my_form_post():
# Read known exit nodes CSV file
nodes = pd.read_csv("torExitNodes.csv")
# nodes = nodes['Addresses']
# Fetch ip from the form
ip = request.form['number']
# Put IP through various validation tests
if validate1(ip):
if validate2(ip):
# status = isTorExit(ip, nodes)
if isTor(ip, nodes):
# Return valid HTMl site, letting the user know it is a known Tor exit node.
return render_template('valid.html', value=str(ip), torStatus="This is a known Tor exit node.", location=ipLocation(ip))
else:
# Return invalid HTML site, letting the user know it is not a known Tor exit node.
return render_template('valid.html', value=str(ip), torStatus="This is not a known Tor exit node.", location=ipLocation(ip))
else:
# Return invalid HTML page
return render_template('invalid.html', value=str(ip))
else:
# Return invalid HTML page
return render_template('invalid.html', value=str(ip))
def isTor(ip, nodes):
if ip in str(nodes['addresses']):
return True
else:
return False
def ipLocation(ip):
match = geolite2.lookup(ip)
if match is not None:
output = match.country
return output
else:
return "Unknown"
def validate1(ip):
# Establish a count
count = 0
try:
ip = ip.replace(".", "")
except:
print("")
# Check input IP is numerical
if ip.isdigit():
count = count + 1
# If the address is between 5 and 12 characters
if 4 <= len(ip) < 13:
count = count + 1
# If the count is 2, then valid
if count == 2:
return True
else:
return False
def validate2(ip):
# Establish a count
count = 0
# Put IP address into an array of 4 parts where it is split into four parts at every decimal point.
splitIp = ip.split(".")
# Check each block is valid for an IPv4 address (a value between 0 and 255)
# Try to float each section of the ip address...
# ...so that the program doesn't crash if the section contains anything that isn't numerical
try:
if 0 <= float(splitIp[0]) <= 255:
count = count + 1
if 0 <= float(splitIp[1]) <= 255:
count = count + 1
if 0 <= float(splitIp[2]) <= 255:
count = count + 1
if 0 <= float(splitIp[3]) <= 255:
count = count + 1
except:
print("")
# If all 4 blocks are valid, then valid
if count == 4:
return True
else:
return False
if __name__ == "__main__":
# Setup data
app.run(debug=True, port=8080)