209 lines
7.5 KiB
Python
209 lines
7.5 KiB
Python
# passerelle - uniform access to multiple data sources and services
|
|
# Copyright (C) 2022 Entr'ouvert
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify it
|
|
# under the terms of the GNU Affero General Public License as published
|
|
# by the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU Affero General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Affero General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
import datetime
|
|
import logging
|
|
import urllib.parse
|
|
|
|
import requests
|
|
from django.conf import settings
|
|
from django.contrib.postgres.fields import ArrayField
|
|
from django.core.mail import send_mail
|
|
from django.db import models
|
|
from django.template.loader import render_to_string
|
|
from django.utils import timezone
|
|
from django.utils.translation import gettext_lazy as _
|
|
|
|
from passerelle.sms.models import SMSResource
|
|
from passerelle.utils.jsonresponse import APIError
|
|
|
|
|
|
class SMSFactorSMSGateway(SMSResource):
|
|
auth_token = models.CharField(verbose_name=_('Auth Token'), max_length=255)
|
|
credit_threshold_alert = models.PositiveIntegerField(
|
|
verbose_name=_('Credit alert threshold'), default=500
|
|
)
|
|
credit_left = models.PositiveIntegerField(verbose_name=_('Credit left'), default=0, editable=False)
|
|
alert_emails = ArrayField(
|
|
models.EmailField(blank=True),
|
|
blank=True,
|
|
null=True,
|
|
verbose_name=_('Email addresses list to send credit alerts to, separated by comma'),
|
|
)
|
|
credit_alert_timestamp = models.DateTimeField(null=True, editable=False)
|
|
|
|
# unecessary field
|
|
allow_premium_rate = None
|
|
|
|
class Meta:
|
|
verbose_name = 'SMS Factor'
|
|
db_table = 'sms_factor'
|
|
|
|
TEST_DEFAULTS = {
|
|
'create_kwargs': {
|
|
'auth_token': 'yyy',
|
|
'credit_threshold_alert': 1000,
|
|
},
|
|
'test_vectors': [
|
|
{
|
|
'status_code': 200,
|
|
'response': {
|
|
'status': -7,
|
|
'message': 'Erreur de données',
|
|
'details': 'Texte du message introuvable',
|
|
},
|
|
'result': {
|
|
'err': 1,
|
|
'err_desc': 'SMS Factor error: some destinations failed',
|
|
'data': [
|
|
['33688888888', 'Texte du message introuvable'],
|
|
['33677777777', 'Texte du message introuvable'],
|
|
],
|
|
},
|
|
},
|
|
{
|
|
'status_code': 200,
|
|
'response': {
|
|
'status': 1,
|
|
'message': 'OK',
|
|
'ticket': '14672468',
|
|
'cost': 2,
|
|
'credits': 642,
|
|
'total': 2,
|
|
'sent': 2,
|
|
'blacklisted': 0,
|
|
'duplicated': 0,
|
|
'invalid': 0,
|
|
'npai': 0,
|
|
},
|
|
'result': {
|
|
'err': 0,
|
|
'data': {
|
|
'status': 1,
|
|
'message': 'OK',
|
|
'ticket': '14672468',
|
|
'cost': 2,
|
|
'credits': 642,
|
|
'total': 2,
|
|
'sent': 2,
|
|
'blacklisted': 0,
|
|
'duplicated': 0,
|
|
'invalid': 0,
|
|
'npai': 0,
|
|
},
|
|
},
|
|
},
|
|
],
|
|
}
|
|
URL = 'https://api.smsfactor.com'
|
|
|
|
def request(self, method, endpoint, **kwargs):
|
|
url = urllib.parse.urljoin(self.URL, endpoint)
|
|
|
|
headers = {
|
|
'Authorization': f'Bearer {self.auth_token}',
|
|
'Accept': 'application/json',
|
|
}
|
|
|
|
try:
|
|
response = self.requests.request(method, url, headers=headers, **kwargs)
|
|
except requests.RequestException as e:
|
|
raise APIError('SMS Factor: request failed, %s' % e)
|
|
else:
|
|
try:
|
|
result = response.json()
|
|
except ValueError:
|
|
raise APIError('SMS Factor: bad JSON response')
|
|
try:
|
|
response.raise_for_status()
|
|
except requests.RequestException as e:
|
|
raise APIError('SMS Factor: %s "%s"' % (e, result))
|
|
return result
|
|
|
|
def send_msg(self, text, sender, destinations, **kwargs):
|
|
"""Send a SMS using the SMS Factor provider"""
|
|
# from https://dev.smsfactor.com/en/api/sms/send/send-single
|
|
# and https://dev.smsfactor.com/en/api/sms/send/send-simulate
|
|
# set destinations phone number in E.164 format (without the + prefix)
|
|
# [country code][phone number including area code]
|
|
destinations = [dest[2:] for dest in destinations]
|
|
|
|
results = []
|
|
|
|
for dest in destinations:
|
|
params = {
|
|
'sender': sender,
|
|
'text': text,
|
|
'to': dest,
|
|
'pushtype': 'alert' if not kwargs.get('stop') else 'marketing',
|
|
}
|
|
data = self.request('get', 'send', params=params)
|
|
logging.info('SMS Factor answered with %s', data)
|
|
results.append(data)
|
|
|
|
errors = [f'SMS Factor error: {r["status"]}: {r["message"]}' for r in results if r['status'] != 1]
|
|
|
|
consumed_credits = None
|
|
try:
|
|
self.credit_left = results[-1]['credits']
|
|
consumed_credits = sum(r['cost'] for r in results)
|
|
except KeyError:
|
|
# no credits key, there was probably an error with the request
|
|
pass
|
|
else:
|
|
self.save(update_fields=['credit_left'])
|
|
if any(errors):
|
|
raise APIError('SMS Factor error: some destinations failed', data=errors)
|
|
return consumed_credits
|
|
|
|
def update_credit_left(self):
|
|
result = self.request('get', endpoint='credits')
|
|
try:
|
|
# SMS Factor returns this as a string, for an unknown reason
|
|
self.credit_left = int(result['credits'])
|
|
except KeyError:
|
|
self.logger.warning('Cannot retrieve credits for sms-factor connector: %s', result)
|
|
else:
|
|
self.save(update_fields=['credit_left'])
|
|
|
|
def send_credit_alert_if_needed(self):
|
|
if self.credit_left >= self.credit_threshold_alert:
|
|
return
|
|
if self.credit_alert_timestamp and self.credit_alert_timestamp > timezone.now() - datetime.timedelta(
|
|
days=1
|
|
):
|
|
return # alerts are sent daily
|
|
ctx = {
|
|
'connector': self,
|
|
'connector_url': urllib.parse.urljoin(settings.SITE_BASE_URL, self.get_absolute_url()),
|
|
}
|
|
subject = render_to_string('smsfactor/credit_alert_subject.txt', ctx).strip()
|
|
body = render_to_string('smsfactor/credit_alert_body.txt', ctx)
|
|
html_body = render_to_string('smsfactor/credit_alert_body.html', ctx)
|
|
send_mail(
|
|
subject,
|
|
body,
|
|
settings.DEFAULT_FROM_EMAIL,
|
|
self.alert_emails,
|
|
html_message=html_body,
|
|
)
|
|
self.credit_alert_timestamp = timezone.now()
|
|
self.save()
|
|
self.logger.warning('credit is too low, alerts were sent to %s', self.alert_emails)
|
|
|
|
def check_status(self):
|
|
self.update_credit_left()
|
|
self.send_credit_alert_if_needed()
|