update to make configurable callback

Author: budlight

README.md

@@ -308,7 +308,9 @@ DEFAULTS = {
     # What function is called to construct a serializer for drf tokens when
     # exchanging a passwordless token for a real user auth token.
     'PASSWORDLESS_AUTH_TOKEN_SERIALIZER': 'drfpasswordless.serializers.TokenResponseSerializer'
-
+    # You can set the callback to send the tokens with:
+    'PASSWORDLESS_EMAIL_CALLBACK': 'drfpasswordless.utils.send_email_with_callback_token'
+    'PASSWORDLESS_SMS_CALLBACK': 'drfpasswordless.utils.send_sms_with_callback_token'
 }
 ```
 

drfpasswordless/services.py

@@ -1,8 +1,8 @@
+from django.utils.module_loading import import_string
+
 from drfpasswordless.settings import api_settings
 from drfpasswordless.utils import (
     create_callback_token_for_user,
-    send_email_with_callback_token,
-    send_sms_with_callback_token
 )
 
 
@@ -15,9 +15,9 @@ def send_token(user, alias_type, token_type, **message_payload):
         if user.pk in api_settings.PASSWORDLESS_DEMO_USERS.keys():
             return True
         if alias_type == 'email':
-            send_action = send_email_with_callback_token
+            send_action = import_string(api_settings.PASSWORDLESS_EMAIL_CALLBACK)
         elif alias_type == 'mobile':
-            send_action = send_sms_with_callback_token
+            send_action = import_string(api_settings.PASSWORDLESS_SMS_CALLBACK)
         # Send to alias
         success = send_action(user, token, **message_payload)
         return success

drfpasswordless/settings.py

@@ -85,6 +85,9 @@
 
     # A dictionary of demo user's primary key mapped to their static pin
     'PASSWORDLESS_DEMO_USERS': {},
+
+    'PASSWORDLESS_EMAIL_CALLBACK': 'drfpasswordless.utils.send_email_with_callback_token',
+    'PASSWORDLESS_SMS_CALLBACK': 'drfpasswordless.utils.send_sms_with_callback_token',
 }
 
 # List of settings that may be in string import notation.