Support for policy upload/download

Plus a small bugfix for groups

app/static/main.css

@@ -64,7 +64,7 @@ a:active {
   text-decoration: none;
 }
 
-a.nodeco, a.nav-link, a.navbar-brand, a.routeToggle {
+a.nodeco, a.nav-link, a.navbar-brand, a.routeToggle, a.plain {
   text-decoration-line: none;
   text-decoration-style: unset;
 }

app/static/main.js

@@ -89,3 +89,39 @@ function backfillips(obj) {
     },
   });
 }
+
+function uploadACL(obj) {
+  var fd = new FormData();
+  var files = $("#upload")[0].files[0];
+  fd.append("file", files);
+
+  // When we close the modal, we reload the page
+  $("#uploadACL").on("hidden.bs.modal", function (event) {
+    location.reload();
+  });
+
+  $.ajax({
+    url: "/policy/upload",
+    type: "POST",
+    xhrFields: {
+      withCredentials: true,
+    },
+    data: fd,
+    contentType: false,
+    processData: false,
+    success: function (response) {
+      if (response != 0) {
+        $("#output").html("acl updated");
+      } else {
+        $("#output").html("acl not updated");
+      }
+      setTimeout(() => {
+        $("#uploadACL").modal("hide");
+      }, 5000);
+    },
+    error: function (response) {
+      console.log(response.responseJSON.message);
+      $("#output").html(response.responseJSON.message);
+    },
+  });
+}