fix(saml): restore SAML, deactivate urls, enable idp-initiate (#8175)

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

@@ -11,6 +11,7 @@ SECRET_KEY = env("SECRET_KEY", default="secret")
 DEBUG = env.bool("DJANGO_DEBUG", default=False)
 ALLOWED_HOSTS = ["localhost", "127.0.0.1"]
 SECURE_PROXY_SSL_HEADER = ("HTTP_X_FORWARDED_PROTO", "https")
+USE_X_FORWARDED_HOST = True
 
 # Application definition
 
@@ -248,3 +249,7 @@ X_FRAME_OPTIONS = "DENY"
 SECURE_REFERRER_POLICY = "strict-origin-when-cross-origin"
 
 DJANGO_DELETION_BATCH_SIZE = env.int("DJANGO_DELETION_BATCH_SIZE", 5000)
+
+# SAML requirement
+CSRF_COOKIE_SECURE = True
+SESSION_COOKIE_SECURE = True