add backend and settings for email

.github/workflows/cicd.yml

@@ -20,14 +20,14 @@ jobs:
         django-version:
           - '2.2'
           - '3.2'
-          - '4.0'
+          - '4.2'
 
     steps:
       - name: Checkout Repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Setup Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: 3.8
 
@@ -56,10 +56,10 @@ jobs:
 
     steps:
       - name: Checkout Repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Setup Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: 3.8
 
@@ -88,10 +88,10 @@ jobs:
           echo "::set-output name=dtc_tag::django-test-container:${FIXED_BRANCH}"
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@v2
 
       - name: Cache Docker layers
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: /tmp/.buildx-cache
           key: >-
@@ -101,7 +101,7 @@ jobs:
             ${{ runner.os }}-buildx-
 
       - name: Build Django Container Image
-        uses: docker/build-push-action@v2
+        uses: docker/build-push-action@v3
         with:
           target: django-container
           tags: ${{ steps.tags.outputs.dc_tag }}
@@ -111,7 +111,7 @@ jobs:
           cache-to: type=local,dest=/tmp/.buildx-cache
 
       - name: Build Django Container Test Image
-        uses: docker/build-push-action@v2
+        uses: docker/build-push-action@v3
         with:
           tags: ${{ steps.tags.outputs.dtc_tag }}
           push: false

project/base_settings/restclients_settings.py

@@ -459,3 +459,18 @@
     RESTCLIENTS_MEMCACHED_SERVERS = tuple(MEMCACHED_SERVER_SPEC.format(n)
                                           for n in range(
                                                   MEMCACHED_SERVER_COUNT))
+
+if os.getenv('EMAIL_HOST'):
+    EMAIL_HOST = os.getenv('EMAIL_HOST')
+    EMAIL_PORT = os.getenv('EMAIL_PORT', 587)
+    EMAIL_TIMEOUT = os.getenv('EMAIL_TIMEOUT', 15)
+    EMAIL_USE_TLS = os.getenv('EMAIL_USE_TLS', True)
+    EMAIL_SSL_CERTFILE = APPLICATION_CERT_PATH
+    EMAIL_SSL_KEYFILE = APPLICATION_KEY_PATH
+
+    if os.getenv('ENV', 'localdev') == 'prod':
+        EMAIL_BACKEND = 'project.mail.backends.EmailBackend'
+    else:
+        if os.getenv('SAFE_EMAIL_RECIPIENT'):
+            EMAIL_BACKEND = 'saferecipient.EmailBackend'
+            SAFE_EMAIL_RECIPIENT = os.getenv('SAFE_EMAIL_RECIPIENT')

project/mail/backends.py

@@ -0,0 +1,18 @@
+# Copyright 2023 UW-IT, University of Washington
+# SPDX-License-Identifier: Apache-2.0
+
+from django.core.mail.backends.smtp import EmailBackend as SMTPBackend
+from django.utils.functional import cached_property
+import ssl
+
+
+class EmailBackend(SMTPBackend):
+    """
+    See https://code.djangoproject.com/ticket/34504
+    """
+    @cached_property
+    def ssl_context(self):
+        ssl_context = super().ssl_context
+        ssl_context.check_hostname = False
+        ssl_context.verify_mode = ssl.CERT_NONE
+        return ssl_context

tests/test_settings/test_restclients.py

@@ -1,6 +1,7 @@
 from unittest import TestCase
 from ..utils import SettingLoader
 
+
 class TestGlobals(TestCase):
     def setUp(self):
         self.mock_env = {
@@ -30,6 +31,7 @@ def test_default_globals_with_env(self):
             self.assertEqual(RESTCLIENTS_DEFAULT_POOL_SIZE, base_settings.RESTCLIENTS_DEFAULT_POOL_SIZE)
             self.assertEqual(RESTCLIENTS_DEFAULT_ENVS, base_settings.RESTCLIENTS_DEFAULT_ENVS)
 
+
 class TestCache(TestCase):
     def test_memcached(self):
         mock_memcached = {
@@ -39,6 +41,17 @@ def test_memcached(self):
         with SettingLoader('project.base_settings', **mock_memcached) as base_settings:
             self.assertSequenceEqual(('mock_memcached_0:11211',), base_settings.RESTCLIENTS_MEMCACHED_SERVERS)
 
+
+class TestEmail(TestCase):
+    def test_email(self):
+        mock_email = {
+            'EMAIL_HOST': 'test.edu',
+            'ENV': 'prod',
+        }
+        with SettingLoader('project.base_settings', **mock_email) as base_settings:
+            self.assertEqual(base_settings.EMAIL_BACKEND, 'project.mail.backends.EmailBackend')
+
+
 class TestRestClients(TestCase):
     def test_settings_not_overwritten(self):
         restclients = [

tests/utils.py

@@ -14,7 +14,7 @@ def __enter__(self):
 
         self.loaded_setting = importlib.import_module(self.setting_file_path)
         return self.loaded_setting
-    
+
     def __exit__(self, exc_type, exc_value, tb):
         for variable_name in self.enviroment_variables:
             del os.environ[variable_name]