channel_output_twilio.py

"""
Output channel that sends SMSs. Relies on Twilio to actually send SMSs.
"""
import settings
import pprint

from twisted.logger import Logger
log = Logger()
from twilio.rest import TwilioRestClient

from channel import OutputChannel
from constants import OUTPUT_CHANNEL_TWILIO_SMS
import settings

class TwilioOutputChannel(OutputChannel):
    CHANNEL = OUTPUT_CHANNEL_TWILIO_SMS


    def do_send_alert(self, input_channel=None, canarydrop=None, **kwargs):
        try:
            msg = input_channel.format_canaryalert(
                                          params={'body_length':140},
                                          canarydrop=canarydrop,
                                          **kwargs)

            client = TwilioRestClient(settings.TWILIO_ACCOUNT_SID, settings.TWILIO_AUTH_TOKEN)

            if len(canarydrop['alert_sms_recipient']) == 0:
                raise Exception('No SMS recipient for token: {token}'
                                .format(token=canarydrop['canarytoken']))

            if settings.DEBUG:
                pprint.pprint(msg)
            else:
                client.messages.create(
                    to=canarydrop['alert_sms_recipient'],
                    from_=settings.TWILIO_FROM_NUMBER,
                    body=msg['body']
                )
            log.info('Sent SMS alert to {recipient} for token {token}'
                .format(recipient=canarydrop['alert_sms_recipient'],
                        token=canarydrop.canarytoken.value()))
        except Exception as e:
            log.error('Twilio send failed: {error}'.format(error=e))