def start_call(self, call, to, from_, status_callback):
channel = call.channel
Contact.get_or_create(channel.org,
channel.created_by,
urns=[(TEL_SCHEME, to)])
# Verboice differs from Twilio in that they expect the first block of twiml up front
payload = unicode(Flow.handle_call(call, {}))
# our config should have our http basic auth parameters and verboice channel
config = channel.config_json()
# now we can post that to verboice
url = "%s?%s" % (self.endpoint,
urlencode(dict(channel=config['channel'],
address=to)))
response = requests.post(url,
data=payload,
auth=(config['username'],
config['password'])).json()
# store the verboice call id in our IVRCall
call.external_id = response['call_id']
call.status = IN_PROGRESS
call.save()
def start_call(self, call, to, from_, status_callback):
if not settings.SEND_CALLS:
raise IVRException("SEND_CALLS set to False, skipping call start")
channel = call.channel
Contact.get_or_create(channel.org,
channel.created_by,
urns=[URN.from_tel(to)])
# Verboice differs from Twilio in that they expect the first block of twiml up front
payload = six.text_type(Flow.handle_call(call))
# now we can post that to verboice
url = "%s?%s" % (self.endpoint,
urlencode(
dict(channel=self.verboice_channel, address=to)))
response = requests.post(url, data=payload, auth=self.auth).json()
if 'call_id' not in response:
raise IVRException(_('Verboice connection failed.'))
# store the verboice call id in our IVRCall
call.external_id = response['call_id']
call.status = IVRCall.IN_PROGRESS
call.save()
def start_call(self, call, to, from_, status_callback):
if not settings.SEND_CALLS:
raise ValueError("SEND_CALLS set to False, skipping call start")
channel = call.channel
Contact.get_or_create(channel.org, URN.from_tel(to), channel)
# Verboice differs from Twilio in that they expect the first block of twiml up front
payload = str(Flow.handle_call(call))
# now we can post that to verboice
url = "%s?%s" % (self.endpoint, urlencode(dict(channel=self.verboice_channel, address=to)))
response = requests.post(url, data=payload, auth=self.auth).json()
if "call_id" not in response:
call.status = IVRCall.FAILED
call.save()
raise IVRException(_("Verboice connection failed."))
# store the verboice call id in our IVRCall
call.external_id = response["call_id"]
# the call was successfully sent to the IVR provider
call.status = IVRCall.WIRED
call.save()
def post(self, request, *args, **kwargs):
call = IVRCall.objects.filter(pk=kwargs['pk']).first()
if not call:
return HttpResponse("Not found", status=404)
client = call.channel.get_ivr_client()
if request.REQUEST.get('hangup', 0):
if not request.user.is_anonymous():
user_org = request.user.get_org()
if user_org and user_org.pk == call.org.pk:
client.calls.hangup(call.external_id)
return HttpResponse(json.dumps(dict(status='Canceled')),
content_type="application/json")
else:
return HttpResponse("Not found", status=404)
if client.validate(request):
status = request.POST.get('CallStatus', None)
duration = request.POST.get('CallDuration', None)
call.update_status(status, duration)
# update any calls we have spawned with the same
for child in call.child_calls.all():
child.update_status(status, duration)
child.save()
call.save()
# figure out if this is a callback due to an empty gather
is_empty = '1' == request.GET.get('empty', '0')
user_response = request.POST.copy()
# if the user pressed pound, then record no digits as the input
if is_empty:
user_response['Digits'] = ''
hangup = 'hangup' == user_response.get('Digits', None)
if call.status in [IN_PROGRESS, RINGING] or hangup:
if call.is_flow():
response = Flow.handle_call(call,
user_response,
hangup=hangup)
return HttpResponse(unicode(response))
else:
if call.status == COMPLETED:
# if our call is completed, hangup
run = FlowRun.objects.filter(call=call).first()
if run:
run.set_completed()
return build_json_response(dict(message="Updated call status"))
else: # pragma: no cover
# raise an exception that things weren't properly signed
raise ValidationError("Invalid request signature")
return build_json_response(dict(message="Unhandled"))
def post(self, request, *args, **kwargs):
call = IVRCall.objects.filter(pk=kwargs['pk']).first()
if not call:
return HttpResponse("Not found", status=404)
client = call.channel.get_ivr_client()
if request.REQUEST.get('hangup', 0):
if not request.user.is_anonymous():
user_org = request.user.get_org()
if user_org and user_org.pk == call.org.pk:
client.calls.hangup(call.external_id)
return HttpResponse(json.dumps(dict(status='Canceled')), content_type="application/json")
else:
return HttpResponse("Not found", status=404)
if client.validate(request):
status = request.POST.get('CallStatus', None)
duration = request.POST.get('CallDuration', None)
call.update_status(status, duration)
# update any calls we have spawned with the same
for child in call.child_calls.all():
child.update_status(status, duration)
child.save()
call.save()
# figure out if this is a callback due to an empty gather
is_empty = '1' == request.GET.get('empty', '0')
user_response = request.POST.copy()
# if the user pressed pound, then record no digits as the input
if is_empty:
user_response['Digits'] = ''
hangup = 'hangup' == user_response.get('Digits', None)
if call.status == IN_PROGRESS or hangup:
if call.is_flow():
response = Flow.handle_call(call, user_response, hangup=hangup)
return HttpResponse(unicode(response))
else:
if call.status == COMPLETED:
# if our call is completed, hangup
run = FlowRun.objects.filter(call=call).first()
if run:
run.set_completed()
return build_json_response(dict(message="Updated call status"))
else: # pragma: no cover
# raise an exception that things weren't properly signed
raise ValidationError("Invalid request signature")
return build_json_response(dict(message="Unhandled"))
def start_call(self, call, to, from_, status_callback):
channel = call.channel
Contact.get_or_create(channel.org, channel.created_by, urns=[(TEL_SCHEME, to)])
# Verboice differs from Twilio in that they expect the first block of twiml up front
payload = unicode(Flow.handle_call(call, {}))
# now we can post that to verboice
url = "%s?%s" % (self.endpoint, urlencode(dict(channel=self.verboice_channel, address=to)))
response = requests.post(url, data=payload, auth=self.auth).json()
# store the verboice call id in our IVRCall
call.external_id = response['call_id']
call.status = IN_PROGRESS
call.save()
def post(self, request, *args, **kwargs):
from twilio.util import RequestValidator
call = IVRCall.objects.filter(pk=kwargs['pk']).first()
if not call:
return HttpResponse("Not found", status=404)
client = call.channel.get_ivr_client()
if request.REQUEST.get('hangup', 0):
if not request.user.is_anonymous():
user_org = request.user.get_org()
if user_org and user_org.pk == call.org.pk:
client.calls.hangup(call.external_id)
return HttpResponse(json.dumps(dict(status='Canceled')),
content_type="application/json")
else:
return HttpResponse("Not found", status=404)
if client.validate(request):
call.update_status(request.POST.get('CallStatus', None),
request.POST.get('CallDuration', None))
call.save()
hangup = 'hangup' == request.POST.get('Digits', None)
if call.status == IN_PROGRESS or hangup:
if call.is_flow():
response = Flow.handle_call(call,
request.POST,
hangup=hangup)
return HttpResponse(unicode(response))
else:
if call.status == COMPLETED:
# if our call is completed, hangup
run = FlowRun.objects.filter(call=call).first()
if run:
run.set_completed()
run.expire()
return build_json_response(dict(message="Updated call status"))
else: # pragma: no cover
# raise an exception that things weren't properly signed
raise ValidationError("Invalid request signature")
return build_json_response(dict(message="Unhandled"))
def post(self, request, *args, **kwargs):
from twilio.util import RequestValidator
call = IVRCall.objects.filter(pk=kwargs['pk']).first()
if not call:
return HttpResponse("Not found", status=404)
client = call.channel.get_ivr_client()
if request.REQUEST.get('hangup', 0):
if not request.user.is_anonymous():
user_org = request.user.get_org()
if user_org and user_org.pk == call.org.pk:
client.calls.hangup(call.external_id)
return HttpResponse(json.dumps(dict(status='Canceled')), content_type="application/json")
else:
return HttpResponse("Not found", status=404)
if client.validate(request):
call.update_status(request.POST.get('CallStatus', None),
request.POST.get('CallDuration', None))
call.save()
hangup = 'hangup' == request.POST.get('Digits', None)
if call.status == IN_PROGRESS or hangup:
if call.is_flow():
response = Flow.handle_call(call, request.POST, hangup=hangup)
return HttpResponse(unicode(response))
else:
if call.status == COMPLETED:
# if our call is completed, hangup
run = FlowRun.objects.filter(call=call).first()
if run:
run.set_completed()
run.expire()
return build_json_response(dict(message="Updated call status"))
else: # pragma: no cover
# raise an exception that things weren't properly signed
raise ValidationError("Invalid request signature")
return build_json_response(dict(message="Unhandled"))
def start_call(self, call, to, from_, status_callback):
channel = call.channel
Contact.get_or_create(channel.org, channel.created_by, urns=[(TEL_SCHEME, to)])
# Verboice differs from Twilio in that they expect the first block of twiml up front
payload = unicode(Flow.handle_call(call, {}))
# now we can post that to verboice
url = "%s?%s" % (self.endpoint, urlencode(dict(channel=self.verboice_channel, address=to)))
response = requests.post(url, data=payload, auth=self.auth).json()
if 'call_id' not in response:
raise IVRException(_('Verboice connection failed.'))
# store the verboice call id in our IVRCall
call.external_id = response['call_id']
call.status = IN_PROGRESS
call.save()
def start_call(self, call, to, from_, status_callback):
channel = call.channel
contact = Contact.get_or_create(channel.created_by, channel.org, urns=[(TEL_SCHEME, to)])
# Verboice differs from Twilio in that they expect the first block of twiml up front
payload = unicode(Flow.handle_call(call, {}))
# our config should have our http basic auth parameters and verboice channel
config = channel.config_json()
# now we can post that to verboice
url = "%s?%s" % (self.endpoint, urlencode(dict(channel=config['channel'], address=to)))
response = requests.post(url, data=payload, auth=(config['username'], config['password'])).json()
# store the verboice call id in our IVRCall
call.external_id = response['call_id']
call.status = IN_PROGRESS
call.save()
def post(self, request, *args, **kwargs):
from twilio.util import RequestValidator
call = IVRCall.objects.filter(pk=kwargs['pk']).first()
if not call:
return HttpResponse("Not found", status=404)
client = call.channel.get_ivr_client()
if request.REQUEST.get('hangup', 0):
if not request.user.is_anonymous():
user_org = request.user.get_org()
if user_org and user_org.pk == call.org.pk:
client.calls.hangup(call.external_id)
return HttpResponse(json.dumps(dict(status='Canceled')), content_type="application/json")
else:
return HttpResponse("Not found", status=404)
validator = RequestValidator(client.auth[1])
signature = request.META.get('HTTP_X_TWILIO_SIGNATURE', '')
base_url = settings.TEMBA_HOST
url = "https://%s%s" % (base_url, request.get_full_path())
# make sure this is coming from twilio
if validator.validate(url, request.POST, signature):
call.update_status(request.POST.get('CallStatus', None),
request.POST.get('CallDuration', None))
call.save()
if call.status == IN_PROGRESS:
if call.is_flow():
response = Flow.handle_call(call, request.POST)
return HttpResponse(unicode(response))
else:
return build_json_response(dict(message="Updated call status"))
else: # pragma: no cover
# raise an exception that things weren't properly signed
raise ValidationError("Invalid request signature")
return build_json_response(dict(message="Unhandled"))
def post(self, request, *args, **kwargs):
call = IVRCall.objects.filter(pk=kwargs['pk']).first()
if not call:
return HttpResponse("Not found", status=404)
channel = call.channel
channel_type = channel.channel_type
client = channel.get_ivr_client()
request_body = request.body
request_method = request.method
request_path = request.get_full_path()
if channel_type in Channel.TWIML_CHANNELS and request.POST.get(
'hangup', 0):
if not request.user.is_anonymous():
user_org = request.user.get_org()
if user_org and user_org.pk == call.org.pk:
client.calls.hangup(call.external_id)
return HttpResponse(json.dumps(dict(status='Canceled')),
content_type="application/json")
else: # pragma: no cover
return HttpResponse("Not found", status=404)
input_redirect = '1' == request.GET.get('input_redirect', '0')
if client.validate(request):
status = None
duration = None
if channel_type in Channel.TWIML_CHANNELS:
status = request.POST.get('CallStatus', None)
duration = request.POST.get('CallDuration', None)
elif channel_type in Channel.NCCO_CHANNELS:
if request_body:
body_json = json.loads(request_body)
status = body_json.get('status', None)
duration = body_json.get('duration', None)
# force in progress call status for fake (input) redirects
if input_redirect:
status = 'answered'
call.update_status(
status, duration,
channel_type) # update any calls we have spawned with the same
call.save()
resume = request.GET.get('resume', 0)
user_response = request.POST.copy()
hangup = False
saved_media_url = None
text = None
media_url = None
if channel_type in Channel.TWIML_CHANNELS:
# figure out if this is a callback due to an empty gather
is_empty = '1' == request.GET.get('empty', '0')
# if the user pressed pound, then record no digits as the input
if is_empty:
user_response['Digits'] = ''
hangup = 'hangup' == user_response.get('Digits', None)
media_url = user_response.get('RecordingUrl', None)
# if we've been sent a recording, go grab it
if media_url:
saved_media_url = client.download_media(media_url)
# parse the user response
text = user_response.get('Digits', None)
elif channel_type in Channel.NCCO_CHANNELS:
if request_body:
body_json = json.loads(request_body)
media_url = body_json.get('recording_url', None)
if media_url:
cache.set('last_call:media_url:%d' % call.pk,
media_url, None)
media_url = cache.get('last_call:media_url:%d' % call.pk,
None)
text = body_json.get('dtmf', None)
if input_redirect:
text = None
has_event = '1' == request.GET.get('has_event', '0')
if has_event:
return HttpResponse(six.text_type(''))
save_media = '1' == request.GET.get('save_media', '0')
if media_url:
if save_media:
saved_media_url = client.download_media(media_url)
cache.delete('last_call:media_url:%d' % call.pk)
else:
response_msg = 'media URL saved'
ChannelLog.log_ivr_interaction(
call, "Saved media URL", request_body,
six.text_type(response_msg), request_path,
request_method)
return HttpResponse(six.text_type(response_msg))
if call.status not in IVRCall.DONE or hangup:
if call.is_ivr():
response = Flow.handle_call(
call,
text=text,
saved_media_url=saved_media_url,
hangup=hangup,
resume=resume)
if channel_type in Channel.NCCO_CHANNELS:
ChannelLog.log_ivr_interaction(call,
"Returned response",
request_body,
six.text_type(response),
request_path,
request_method)
return JsonResponse(json.loads(
six.text_type(response)),
safe=False)
ChannelLog.log_ivr_interaction(call, "Returned response",
request_body,
six.text_type(response),
request_path,
request_method)
return HttpResponse(six.text_type(response))
else:
if call.status == IVRCall.COMPLETED:
# if our call is completed, hangup
run = FlowRun.objects.filter(session=call).first()
if run:
run.set_completed()
response = dict(message="Updated call status",
call=dict(status=call.get_status_display(),
duration=call.duration))
ChannelLog.log_ivr_interaction(
call,
"Updated call status: %s" % call.get_status_display(),
request_body, json.dumps(response), request_path,
request_method)
return JsonResponse(response)
else: # pragma: no cover
error_message = "Invalid request signature"
ChannelLog.log_ivr_interaction(call,
error_message,
request_body,
error_message,
request_path,
request_method,
is_error=True)
# raise an exception that things weren't properly signed
raise ValidationError(error_message)
return JsonResponse(dict(message="Unhandled")) # pragma: no cover
def post(self, request, *args, **kwargs):
from twilio.request_validator import RequestValidator
from temba.flows.models import FlowSession
signature = request.META.get("HTTP_X_TWILIO_SIGNATURE", "")
url = "https://" + request.get_host() + "%s" % request.get_full_path()
channel_uuid = kwargs.get("uuid")
call_sid = self.get_param("CallSid")
direction = self.get_param("Direction")
status = self.get_param("CallStatus")
to_number = self.get_param("To")
to_country = self.get_param("ToCountry")
from_number = self.get_param("From")
# Twilio sometimes sends un-normalized numbers
if to_number and not to_number.startswith("+") and to_country: # pragma: no cover
to_number, valid = URN.normalize_number(to_number, to_country)
# see if it's a twilio call being initiated
if to_number and call_sid and direction == "inbound" and status == "ringing":
# find a channel that knows how to answer twilio calls
channel = self.get_ringing_channel(uuid=channel_uuid)
if not channel:
response = VoiceResponse()
response.say("Sorry, there is no channel configured to take this call. Goodbye.")
response.hangup()
return HttpResponse(str(response))
org = channel.org
if self.get_channel_type() == "T" and not org.is_connected_to_twilio():
return HttpResponse("No Twilio account is connected", status=400)
client = self.get_client(channel=channel)
validator = RequestValidator(client.auth[1])
signature = request.META.get("HTTP_X_TWILIO_SIGNATURE", "")
url = "https://%s%s" % (request.get_host(), request.get_full_path())
if validator.validate(url, request.POST, signature):
from temba.ivr.models import IVRCall
# find a contact for the one initiating us
urn = URN.from_tel(from_number)
contact, urn_obj = Contact.get_or_create(channel.org, urn, channel)
flow = Trigger.find_flow_for_inbound_call(contact)
if flow:
call = IVRCall.create_incoming(channel, contact, urn_obj, channel.created_by, call_sid)
session = FlowSession.create(contact, connection=call)
call.update_status(
request.POST.get("CallStatus", None), request.POST.get("CallDuration", None), "T"
)
call.save()
FlowRun.create(flow, contact, session=session, connection=call)
response = Flow.handle_call(call)
return HttpResponse(str(response))
else:
# we don't have an inbound trigger to deal with this call.
response = channel.generate_ivr_response()
# say nothing and hangup, this is a little rude, but if we reject the call, then
# they'll get a non-working number error. We send 'busy' when our server is down
# so we don't want to use that here either.
response.say("")
response.hangup()
# if they have a missed call trigger, fire that off
Trigger.catch_triggers(contact, Trigger.TYPE_MISSED_CALL, channel)
# either way, we need to hangup now
return HttpResponse(str(response))
# check for call progress events, these include post-call hangup notifications
if request.POST.get("CallbackSource", None) == "call-progress-events":
if call_sid:
from temba.ivr.models import IVRCall
call = IVRCall.objects.filter(external_id=call_sid).first()
if call:
call.update_status(
request.POST.get("CallStatus", None), request.POST.get("CallDuration", None), "TW"
)
call.save()
return HttpResponse("Call status updated")
return HttpResponse("No call found")
return HttpResponse("Not Handled, unknown action", status=400) # pragma: no cover
def get(self, request, *args, **kwargs):
from temba.flows.models import FlowSession
from temba.ivr.models import IVRCall
action = kwargs["action"].lower()
request_body = force_text(request.body)
request_path = request.get_full_path()
request_method = request.method
request_uuid = kwargs["uuid"]
if action == "event":
if not request_body:
return HttpResponse("")
body_json = json.loads(request_body)
status = body_json.get("status", None)
duration = body_json.get("duration", None)
call_uuid = body_json.get("uuid", None)
conversation_uuid = body_json.get("conversation_uuid", None)
if call_uuid is None:
return HttpResponse("Missing uuid parameter, ignoring")
call = IVRCall.objects.filter(external_id=call_uuid).first()
if not call:
# try looking up by the conversation uuid (inbound calls start with that)
call = IVRCall.objects.filter(external_id=conversation_uuid).first()
if call:
call.external_id = call_uuid
call.save()
else:
response = dict(message="Call not found for %s" % call_uuid)
return JsonResponse(response)
channel = call.channel
channel_type = channel.channel_type
call.update_status(status, duration, channel_type)
call.save()
response = dict(
description="Updated call status", call=dict(status=call.get_status_display(), duration=call.duration)
)
event = HttpEvent(request_method, request_path, request_body, 200, json.dumps(response))
ChannelLog.log_ivr_interaction(call, "Updated call status", event)
if call.status == IVRCall.COMPLETED:
# if our call is completed, hangup
runs = FlowRun.objects.filter(connection=call)
for run in runs:
if not run.is_completed():
run.set_completed(exit_uuid=None)
return JsonResponse(response)
if action == "answer":
if not request_body:
return HttpResponse("")
body_json = json.loads(request_body)
from_number = body_json.get("from", None)
channel_number = body_json.get("to", None)
external_id = body_json.get("conversation_uuid", None)
if not from_number or not channel_number or not external_id:
return HttpResponse("Missing parameters, Ignoring")
# look up the channel
address_q = Q(address=channel_number) | Q(address=("+" + channel_number))
channel = Channel.objects.filter(address_q).filter(is_active=True, channel_type="NX").first()
# make sure we got one, and that it matches the key for our org
org_uuid = None
if channel:
org_uuid = channel.org.config.get(NEXMO_UUID, None)
if not channel or org_uuid != request_uuid:
return HttpResponse("Channel not found for number: %s" % channel_number, status=404)
urn = URN.from_tel(from_number)
contact, urn_obj = Contact.get_or_create(channel.org, urn, channel)
flow = Trigger.find_flow_for_inbound_call(contact)
if flow:
call = IVRCall.create_incoming(channel, contact, urn_obj, channel.created_by, external_id)
session = FlowSession.create(contact, connection=call)
FlowRun.create(flow, contact, session=session, connection=call)
response = Flow.handle_call(call)
channel_type = channel.channel_type
call.update_status("answered", None, channel_type)
event = HttpEvent(request_method, request_path, request_body, 200, str(response))
ChannelLog.log_ivr_interaction(call, "Incoming request for call", event)
return JsonResponse(json.loads(str(response)), safe=False)
else:
# we don't have an inbound trigger to deal with this call.
response = channel.generate_ivr_response()
# say nothing and hangup, this is a little rude, but if we reject the call, then
# they'll get a non-working number error. We send 'busy' when our server is down
# so we don't want to use that here either.
response.say("")
response.hangup()
# if they have a missed call trigger, fire that off
Trigger.catch_triggers(contact, Trigger.TYPE_MISSED_CALL, channel)
# either way, we need to hangup now
return JsonResponse(json.loads(str(response)), safe=False)
def post(self, request, *args, **kwargs):
call = IVRCall.objects.filter(pk=kwargs["pk"]).first()
if not call:
return HttpResponse("Not found", status=404)
channel = call.channel
if not (channel.is_active and channel.org):
return HttpResponse("No channel found", status=400)
channel_type = channel.channel_type
ivr_protocol = Channel.get_type_from_code(channel_type).ivr_protocol
client = channel.get_ivr_client()
request_body = force_text(request.body)
request_method = request.method
request_path = request.get_full_path()
if ivr_protocol == ChannelType.IVRProtocol.IVR_PROTOCOL_TWIML and request.POST.get("hangup", 0):
if not request.user.is_anonymous:
user_org = request.user.get_org()
if user_org and user_org.pk == call.org.pk:
client.hangup(call)
return HttpResponse(json.dumps(dict(status="Canceled")), content_type="application/json")
else: # pragma: no cover
return HttpResponse("Not found", status=404)
input_redirect = "1" == request.GET.get("input_redirect", "0")
if client.validate(request):
status = None
duration = None
if ivr_protocol == ChannelType.IVRProtocol.IVR_PROTOCOL_TWIML:
status = request.POST.get("CallStatus", None)
duration = request.POST.get("CallDuration", None)
elif ivr_protocol == ChannelType.IVRProtocol.IVR_PROTOCOL_NCCO:
if request_body:
body_json = json.loads(request_body)
status = body_json.get("status", None)
duration = body_json.get("duration", None)
# force in progress call status for fake (input) redirects
if input_redirect:
status = "answered"
# nexmo does not set status for some callbacks
if status is not None:
call.update_status(status, duration, channel_type) # update any calls we have spawned with the same
call.save()
resume = request.GET.get("resume", 0)
user_response = request.POST.copy()
hangup = False
saved_media_url = None
text = None
media_url = None
has_event = False
if ivr_protocol == ChannelType.IVRProtocol.IVR_PROTOCOL_TWIML:
# figure out if this is a callback due to an empty gather
is_empty = "1" == request.GET.get("empty", "0")
# if the user pressed pound, then record no digits as the input
if is_empty:
user_response["Digits"] = ""
hangup = "hangup" == user_response.get("Digits", None)
media_url = user_response.get("RecordingUrl", None)
# if we've been sent a recording, go grab it
if media_url:
saved_media_url = client.download_media(media_url)
# parse the user response
text = user_response.get("Digits", None)
elif ivr_protocol == ChannelType.IVRProtocol.IVR_PROTOCOL_NCCO:
if request_body:
body_json = json.loads(request_body)
media_url = body_json.get("recording_url", None)
if media_url:
cache.set("last_call:media_url:%d" % call.pk, media_url, None)
media_url = cache.get("last_call:media_url:%d" % call.pk, None)
text = body_json.get("dtmf", None)
if input_redirect:
text = None
has_event = "1" == request.GET.get("has_event", "0")
save_media = "1" == request.GET.get("save_media", "0")
if media_url:
if save_media:
saved_media_url = client.download_media(call, media_url)
cache.delete("last_call:media_url:%d" % call.pk)
else:
response_msg = "Saved media url"
response = dict(message=response_msg)
event = HttpEvent(request_method, request_path, request_body, 200, json.dumps(response))
ChannelLog.log_ivr_interaction(call, response_msg, event)
return JsonResponse(response)
if not has_event and call.status not in IVRCall.DONE or hangup:
if call.is_ivr():
response = Flow.handle_call(
call, text=text, saved_media_url=saved_media_url, hangup=hangup, resume=resume
)
event = HttpEvent(request_method, request_path, request_body, 200, str(response))
if ivr_protocol == ChannelType.IVRProtocol.IVR_PROTOCOL_NCCO:
ChannelLog.log_ivr_interaction(call, "Incoming request for call", event)
# TODO: what's special here that this needs to be different?
return JsonResponse(json.loads(str(response)), safe=False)
ChannelLog.log_ivr_interaction(call, "Incoming request for call", event)
return HttpResponse(str(response), content_type="text/xml; charset=utf-8")
else:
if call.status == IVRCall.COMPLETED:
# if our call is completed, hangup
runs = FlowRun.objects.filter(connection=call)
for run in runs:
if not run.is_completed():
run.set_completed(exit_uuid=None)
response = dict(
description="Updated call status",
call=dict(status=call.get_status_display(), duration=call.duration),
)
event = HttpEvent(request_method, request_path, request_body, 200, json.dumps(response))
ChannelLog.log_ivr_interaction(call, "Updated call status", event)
return JsonResponse(response)
else: # pragma: no cover
error = "Invalid request signature"
event = HttpEvent(request_method, request_path, request_body, 200, error)
ChannelLog.log_ivr_interaction(call, error, event, is_error=True)
# raise an exception that things weren't properly signed
raise ValidationError(error)
return JsonResponse(dict(message="Unhandled")) # pragma: no cover
def post(self, request, *args, **kwargs):
call = IVRCall.objects.filter(pk=kwargs["pk"]).first()
if not call:
return HttpResponse("Not found", status=404)
channel = call.channel
if not (channel.is_active and channel.org):
return HttpResponse("No channel found", status=400)
channel_type = channel.channel_type
ivr_protocol = Channel.get_type_from_code(channel_type).ivr_protocol
client = channel.get_ivr_client()
request_body = force_text(request.body)
request_method = request.method
request_path = request.get_full_path()
if ivr_protocol == ChannelType.IVRProtocol.IVR_PROTOCOL_TWIML and request.POST.get(
"hangup", 0):
if not request.user.is_anonymous:
user_org = request.user.get_org()
if user_org and user_org.pk == call.org.pk:
client.hangup(call)
return HttpResponse(json.dumps(dict(status="Canceled")),
content_type="application/json")
else: # pragma: no cover
return HttpResponse("Not found", status=404)
input_redirect = "1" == request.GET.get("input_redirect", "0")
if client.validate(request):
status = None
duration = None
if ivr_protocol == ChannelType.IVRProtocol.IVR_PROTOCOL_TWIML:
status = request.POST.get("CallStatus", None)
duration = request.POST.get("CallDuration", None)
elif ivr_protocol == ChannelType.IVRProtocol.IVR_PROTOCOL_NCCO:
if request_body:
body_json = json.loads(request_body)
status = body_json.get("status", None)
duration = body_json.get("duration", None)
# force in progress call status for fake (input) redirects
if input_redirect:
status = "answered"
# nexmo does not set status for some callbacks
if status is not None:
call.update_status(
status, duration, channel_type
) # update any calls we have spawned with the same
call.save()
resume = request.GET.get("resume", 0)
user_response = request.POST.copy()
hangup = False
saved_media_url = None
text = None
media_url = None
has_event = False
if ivr_protocol == ChannelType.IVRProtocol.IVR_PROTOCOL_TWIML:
# figure out if this is a callback due to an empty gather
is_empty = "1" == request.GET.get("empty", "0")
# if the user pressed pound, then record no digits as the input
if is_empty:
user_response["Digits"] = ""
hangup = "hangup" == user_response.get("Digits", None)
media_url = user_response.get("RecordingUrl", None)
# if we've been sent a recording, go grab it
if media_url:
saved_media_url = client.download_media(media_url)
# parse the user response
text = user_response.get("Digits", None)
elif ivr_protocol == ChannelType.IVRProtocol.IVR_PROTOCOL_NCCO:
if request_body:
body_json = json.loads(request_body)
media_url = body_json.get("recording_url", None)
if media_url:
cache.set("last_call:media_url:%d" % call.pk,
media_url, None)
media_url = cache.get("last_call:media_url:%d" % call.pk,
None)
text = body_json.get("dtmf", None)
if input_redirect:
text = None
has_event = "1" == request.GET.get("has_event", "0")
save_media = "1" == request.GET.get("save_media", "0")
if media_url:
if save_media:
saved_media_url = client.download_media(
call, media_url)
cache.delete("last_call:media_url:%d" % call.pk)
else:
response_msg = "Saved media url"
response = dict(message=response_msg)
event = HttpEvent(request_method, request_path,
request_body, 200,
json.dumps(response))
ChannelLog.log_ivr_interaction(call, response_msg,
event)
return JsonResponse(response)
if not has_event and call.status not in IVRCall.DONE or hangup:
if call.is_ivr():
response = Flow.handle_call(
call,
text=text,
saved_media_url=saved_media_url,
hangup=hangup,
resume=resume)
event = HttpEvent(request_method, request_path,
request_body, 200, str(response))
if ivr_protocol == ChannelType.IVRProtocol.IVR_PROTOCOL_NCCO:
ChannelLog.log_ivr_interaction(
call, "Incoming request for call", event)
# TODO: what's special here that this needs to be different?
return JsonResponse(json.loads(str(response)),
safe=False)
ChannelLog.log_ivr_interaction(
call, "Incoming request for call", event)
return HttpResponse(str(response),
content_type="text/xml; charset=utf-8")
else:
if call.status == IVRCall.COMPLETED:
# if our call is completed, hangup
runs = FlowRun.objects.filter(connection=call)
for run in runs:
if not run.is_completed():
run.set_completed(exit_uuid=None)
response = dict(
description="Updated call status",
call=dict(status=call.get_status_display(),
duration=call.duration),
)
event = HttpEvent(request_method, request_path, request_body,
200, json.dumps(response))
ChannelLog.log_ivr_interaction(call, "Updated call status",
event)
return JsonResponse(response)
else: # pragma: no cover
error = "Invalid request signature"
event = HttpEvent(request_method, request_path, request_body, 200,
error)
ChannelLog.log_ivr_interaction(call, error, event, is_error=True)
# raise an exception that things weren't properly signed
raise ValidationError(error)
return JsonResponse(dict(message="Unhandled")) # pragma: no cover
def post(self, request, *args, **kwargs):
from twilio.request_validator import RequestValidator
from temba.flows.models import FlowSession
signature = request.META.get("HTTP_X_TWILIO_SIGNATURE", "")
url = "https://" + request.get_host() + "%s" % request.get_full_path()
channel_uuid = kwargs.get("uuid")
call_sid = self.get_param("CallSid")
direction = self.get_param("Direction")
status = self.get_param("CallStatus")
to_number = self.get_param("To")
to_country = self.get_param("ToCountry")
from_number = self.get_param("From")
# Twilio sometimes sends un-normalized numbers
if to_number and not to_number.startswith(
"+") and to_country: # pragma: no cover
to_number, valid = URN.normalize_number(to_number, to_country)
# see if it's a twilio call being initiated
if to_number and call_sid and direction == "inbound" and status == "ringing":
# find a channel that knows how to answer twilio calls
channel = self.get_ringing_channel(uuid=channel_uuid)
if not channel:
response = VoiceResponse()
response.say(
"Sorry, there is no channel configured to take this call. Goodbye."
)
response.hangup()
return HttpResponse(str(response))
org = channel.org
if self.get_channel_type(
) == "T" and not org.is_connected_to_twilio():
return HttpResponse("No Twilio account is connected",
status=400)
client = self.get_client(channel=channel)
validator = RequestValidator(client.auth[1])
signature = request.META.get("HTTP_X_TWILIO_SIGNATURE", "")
url = "https://%s%s" % (request.get_host(),
request.get_full_path())
if validator.validate(url, request.POST, signature):
from temba.ivr.models import IVRCall
# find a contact for the one initiating us
urn = URN.from_tel(from_number)
contact, urn_obj = Contact.get_or_create(
channel.org, urn, channel)
flow = Trigger.find_flow_for_inbound_call(contact)
if flow:
call = IVRCall.create_incoming(channel, contact, urn_obj,
channel.created_by,
call_sid)
session = FlowSession.create(contact, connection=call)
call.update_status(request.POST.get("CallStatus", None),
request.POST.get("CallDuration", None),
"T")
call.save()
FlowRun.create(flow,
contact,
session=session,
connection=call)
response = Flow.handle_call(call)
return HttpResponse(str(response))
else:
# we don't have an inbound trigger to deal with this call.
response = channel.generate_ivr_response()
# say nothing and hangup, this is a little rude, but if we reject the call, then
# they'll get a non-working number error. We send 'busy' when our server is down
# so we don't want to use that here either.
response.say("")
response.hangup()
# if they have a missed call trigger, fire that off
Trigger.catch_triggers(contact, Trigger.TYPE_MISSED_CALL,
channel)
# either way, we need to hangup now
return HttpResponse(str(response))
# check for call progress events, these include post-call hangup notifications
if request.POST.get("CallbackSource", None) == "call-progress-events":
if call_sid:
from temba.ivr.models import IVRCall
call = IVRCall.objects.filter(external_id=call_sid).first()
if call:
call.update_status(request.POST.get("CallStatus", None),
request.POST.get("CallDuration", None),
"TW")
call.save()
return HttpResponse("Call status updated")
return HttpResponse("No call found")
return HttpResponse("Not Handled, unknown action",
status=400) # pragma: no cover
def get(self, request, *args, **kwargs):
from temba.flows.models import FlowSession
from temba.ivr.models import IVRCall
action = kwargs["action"].lower()
request_body = force_text(request.body)
request_path = request.get_full_path()
request_method = request.method
request_uuid = kwargs["uuid"]
if action == "event":
if not request_body:
return HttpResponse("")
body_json = json.loads(request_body)
status = body_json.get("status", None)
duration = body_json.get("duration", None)
call_uuid = body_json.get("uuid", None)
conversation_uuid = body_json.get("conversation_uuid", None)
if call_uuid is None:
return HttpResponse("Missing uuid parameter, ignoring")
call = IVRCall.objects.filter(external_id=call_uuid).first()
if not call:
# try looking up by the conversation uuid (inbound calls start with that)
call = IVRCall.objects.filter(
external_id=conversation_uuid).first()
if call:
call.external_id = call_uuid
call.save()
else:
response = dict(message="Call not found for %s" %
call_uuid)
return JsonResponse(response)
channel = call.channel
channel_type = channel.channel_type
call.update_status(status, duration, channel_type)
call.save()
response = dict(description="Updated call status",
call=dict(status=call.get_status_display(),
duration=call.duration))
event = HttpEvent(request_method, request_path, request_body, 200,
json.dumps(response))
ChannelLog.log_ivr_interaction(call, "Updated call status", event)
if call.status == IVRCall.COMPLETED:
# if our call is completed, hangup
runs = FlowRun.objects.filter(connection=call)
for run in runs:
if not run.is_completed():
run.set_completed(exit_uuid=None)
return JsonResponse(response)
if action == "answer":
if not request_body:
return HttpResponse("")
body_json = json.loads(request_body)
from_number = body_json.get("from", None)
channel_number = body_json.get("to", None)
external_id = body_json.get("conversation_uuid", None)
if not from_number or not channel_number or not external_id:
return HttpResponse("Missing parameters, Ignoring")
# look up the channel
address_q = Q(address=channel_number) | Q(address=("+" +
channel_number))
channel = Channel.objects.filter(address_q).filter(
is_active=True, channel_type="NX").first()
# make sure we got one, and that it matches the key for our org
org_uuid = None
if channel:
org_uuid = channel.org.config.get(NEXMO_UUID, None)
if not channel or org_uuid != request_uuid:
return HttpResponse("Channel not found for number: %s" %
channel_number,
status=404)
urn = URN.from_tel(from_number)
contact, urn_obj = Contact.get_or_create(channel.org, urn, channel)
flow = Trigger.find_flow_for_inbound_call(contact)
if flow:
call = IVRCall.create_incoming(channel, contact, urn_obj,
channel.created_by, external_id)
session = FlowSession.create(contact, connection=call)
FlowRun.create(flow, contact, session=session, connection=call)
response = Flow.handle_call(call)
channel_type = channel.channel_type
call.update_status("answered", None, channel_type)
event = HttpEvent(request_method, request_path, request_body,
200, str(response))
ChannelLog.log_ivr_interaction(call,
"Incoming request for call",
event)
return JsonResponse(json.loads(str(response)), safe=False)
else:
# we don't have an inbound trigger to deal with this call.
response = channel.generate_ivr_response()
# say nothing and hangup, this is a little rude, but if we reject the call, then
# they'll get a non-working number error. We send 'busy' when our server is down
# so we don't want to use that here either.
response.say("")
response.hangup()
# if they have a missed call trigger, fire that off
Trigger.catch_triggers(contact, Trigger.TYPE_MISSED_CALL,
channel)
# either way, we need to hangup now
return JsonResponse(json.loads(str(response)), safe=False)
