Python: Restore rest of experimental files

python/ql/src/experimental/Security/CWE-074/JinjaBad.py

@@ -0,0 +1,19 @@
+from django.urls import path
+from django.http import HttpResponse
+from jinja2 import Template as Jinja2_Template
+from jinja2 import Environment, DictLoader, escape
+
+
+def a(request):
+    # Load the template
+    template = request.GET['template']
+    t = Jinja2_Template(template)
+    name = request.GET['name']
+    # Render the template with the context data
+    html = t.render(name=escape(name))
+    return HttpResponse(html)
+
+
+urlpatterns = [
+    path('a', a),
+]

python/ql/src/experimental/Security/CWE-074/JinjaGood.py

@@ -0,0 +1,20 @@
+from django.urls import path
+from django.http import HttpResponse
+from jinja2 import Template as Jinja2_Template
+from jinja2 import Environment, DictLoader, escape
+
+
+def a(request):
+    # Load the template
+    template = request.GET['template']
+    env = SandboxedEnvironment(undefined=StrictUndefined)
+    t = env.from_string(template)
+    name = request.GET['name']
+    # Render the template with the context data
+    html = t.render(name=escape(name))
+    return HttpResponse(html)
+
+
+urlpatterns = [
+    path('a', a),
+]