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60 lines
1.8 KiB
Python
60 lines
1.8 KiB
Python
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from functools import wraps
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from flask import request, abort
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from twilio.request_validator import RequestValidator
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from twilio.twiml.messaging_response import MessagingResponse
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from app.config import TWILIO_AUTH_TOKEN
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from app.log import LOG
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from app.models import PhoneNumber, PhoneMessage
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from app.phone.base import phone_bp
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def validate_twilio_request(f):
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"""Validates that incoming requests genuinely originated from Twilio"""
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@wraps(f)
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def decorated_function(*args, **kwargs):
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# Create an instance of the RequestValidator class
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validator = RequestValidator(TWILIO_AUTH_TOKEN)
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# Validate the request using its URL, POST data,
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# and X-TWILIO-SIGNATURE header
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request_valid = validator.validate(
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request.url, request.form, request.headers.get("X-TWILIO-SIGNATURE", "")
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)
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# Continue processing the request if it's valid, return a 403 error if
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# it's not
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if request_valid:
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return f(*args, **kwargs)
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else:
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return abort(403)
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return decorated_function
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@phone_bp.route("/twilio/sms", methods=["GET", "POST"])
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@validate_twilio_request
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def twilio_sms():
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LOG.d("%s %s %s", request.args, request.form, request.data)
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resp = MessagingResponse()
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to_number = request.form.get("To")
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from_number = request.form.get("From")
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body = request.form.get("Body")
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LOG.d("%s->%s:%s", from_number, to_number, body)
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phone_number = PhoneNumber.get_by(number=to_number)
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if phone_number:
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PhoneMessage.create(
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number_id=phone_number.id,
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from_number=from_number,
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body=body,
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commit=True,
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)
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else:
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LOG.e("Unknown phone number %s %s", to_number, request.form)
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return str(resp)
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