feat(login): add throttling option for the /api/v1/tokens endpoint (#8647)

Author: josema-xyz

api/.env.example

@@ -19,6 +19,8 @@ DJANGO_REFRESH_TOKEN_LIFETIME=1440
 DJANGO_CACHE_MAX_AGE=3600
 DJANGO_STALE_WHILE_REVALIDATE=60
 DJANGO_SECRETS_ENCRYPTION_KEY=""
+# Throttle, two options: Empty means no throttle; or if desired use one in DRF format: https://www.django-rest-framework.org/api-guide/throttling/#setting-the-throttling-policy
+DJANGO_THROTTLE_TOKEN_OBTAIN=50/minute
 # Decide whether to allow Django manage database table partitions
 DJANGO_MANAGE_DB_PARTITIONS=[True|False]
 DJANGO_CELERY_DEADLOCK_ATTEMPTS=5

api/CHANGELOG.md

@@ -7,6 +7,7 @@ All notable changes to the **Prowler API** are documented in this file.
 ### Added
 - Integration with JIRA, enabling sending findings to a JIRA project [(#8622)](https://github.com/prowler-cloud/prowler/pull/8622), [(#8637)](https://github.com/prowler-cloud/prowler/pull/8637)
 - `GET /overviews/findings_severity` now supports `filter[status]` and `filter[status__in]` to aggregate by specific statuses (`FAIL`, `PASS`)[(#8186)](https://github.com/prowler-cloud/prowler/pull/8186)
+- Throttling options for `/api/v1/tokens` using the `DJANGO_THROTTLE_TOKEN_OBTAIN` environment variable [(#8647)](https://github.com/prowler-cloud/prowler/pull/8647)
 
 ---
 

api/src/backend/api/v1/views.py

@@ -215,6 +215,8 @@ def _resolve_path_parameters(self, _path_variables):
     description="Obtain a token by providing valid credentials and an optional tenant ID.",
 )
 class CustomTokenObtainView(GenericAPIView):
+    throttle_scope = "token-obtain"
+
     resource_name = "tokens"
     serializer_class = TokenSerializer
     http_method_names = ["post"]

api/src/backend/config/django/base.py

@@ -108,6 +108,12 @@
     ),
     "TEST_REQUEST_DEFAULT_FORMAT": "vnd.api+json",
     "JSON_API_UNIFORM_EXCEPTIONS": True,
+    "DEFAULT_THROTTLE_CLASSES": [
+        "rest_framework.throttling.ScopedRateThrottle",
+    ],
+    "DEFAULT_THROTTLE_RATES": {
+        "token-obtain": env("DJANGO_THROTTLE_TOKEN_OBTAIN", default=None),
+    },
 }
 
 SPECTACULAR_SETTINGS = {