api_validation.py

import os
from flask import Flask, request, abort
from twilio.request_validator import RequestValidator
from urllib import parse
from collections import OrderedDict
from hashlib import sha1, sha256 
import hmac
import base64
app = Flask(__name__)


@app.route('/test', methods=['GET'])
def test():
    validator = RequestValidator(os.environ.get('TWILIO_AUTH_TOKEN'))
    full_url = 'https://' + request.url.lstrip('http://')
    result = validator.validate(full_url, None, request.headers.get('X-Twilio-Signature')) 
    print(result)
    if result:
        print("THIS IS Validated")
    else:
        print("Not Validated")

    print("Request is: ", request.__dict__)
    return {"result": result}

@app.route('/testsigs', methods=['GET'])
def test_sigs():
    full_url = 'https://' + request.url.lstrip('http://')
    mac = hmac.new(bytes(os.environ.get("TWILIO_AUTH_TOKEN"), 'UTF-8'), full_url.encode("utf-8"), sha1)
    print(mac.digest())
    computed = base64.b64encode(mac.digest()) 
    print(f"computed value (base64 encoded): {computed}")
    computed = computed.decode('utf-8')
    print(f"computed value (utf-8 decoded): {computed}")
    diy_signature = computed.strip()
    print(f"diy_signature value: {diy_signature}")

    print(f"original signature: {request.headers.get('X-Twilio-Signature')}")
    return "done"

if __name__ == "__main__":
    app.run(debug=True, port=5002)