Preliminary monitoring

shynet/analytics/views/ingress.py

@@ -0,0 +1,85 @@
+import base64
+import json
+
+from django.http import HttpResponse
+from django.shortcuts import render
+from django.utils import timezone
+from django.utils.decorators import method_decorator
+from django.views.decorators.csrf import csrf_exempt
+from django.views.generic import TemplateView, View
+from ipware import get_client_ip
+
+from ..tasks import ingress_request
+
+
+def ingress(request, service_uuid, identifier, tracker, payload):
+    time = timezone.now()
+    client_ip, is_routable = get_client_ip(request)
+    location = request.META.get("HTTP_REFERER")
+    user_agent = request.META.get("HTTP_USER_AGENT")
+
+    ingress_request.delay(
+        service_uuid,
+        tracker,
+        time,
+        payload,
+        client_ip,
+        location,
+        user_agent,
+        identifier,
+    )
+
+
+class PixelView(View):
+    # Fallback view to serve an unobtrusive 1x1 transparent tracking pixel for browsers with
+    # JavaScript disabled.
+    def dispatch(self, request, *args, **kwargs):
+        # Extract primary data
+        ingress(
+            request,
+            self.kwargs.get("service_uuid"),
+            self.kwargs.get("identifier", ""),
+            "PIXEL",
+            {},
+        )
+
+        data = base64.b64decode(
+            "R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw=="
+        )
+        resp = HttpResponse(data, content_type="image/gif")
+        resp["Cache-Control"] = "no-cache"
+        resp["Access-Control-Allow-Origin"] = "*"
+        return resp
+
+
+@method_decorator(csrf_exempt, name="dispatch")
+class ScriptView(View):
+    def dispatch(self, request, *args, **kwargs):
+        resp = super().dispatch(request, *args, **kwargs)
+        resp["Access-Control-Allow-Origin"] = "*"
+        resp["Access-Control-Allow-Methods"] = "GET,HEAD,OPTIONS,POST"
+        resp[
+            "Access-Control-Allow-Headers"
+        ] = "Origin, X-Requested-With, Content-Type, Accept, Authorization, Referer"
+        return resp
+
+    def get(self, *args, **kwargs):
+        return render(
+            self.request,
+            "analytics/scripts/page.js",
+            context={"endpoint": self.request.build_absolute_uri()},
+            content_type="application/javascript",
+        )
+
+    def post(self, *args, **kwargs):
+        payload = json.loads(self.request.body)
+        ingress(
+            self.request,
+            self.kwargs.get("service_uuid"),
+            self.kwargs.get("identifier", ""),
+            "JS",
+            payload,
+        )
+        return HttpResponse(
+            json.dumps({"status": "OK"}), content_type="application/json"
+        )