disable payload injection on non-html pages

2 files changed, 10 insertions, 0 deletions

diff --git a/html/display-panel.html b/html/display-panel.html
index a8c52b6..1f6beb7 100644
--- a/html/display-panel.html
+++ b/html/display-panel.html
@@ -306,6 +306,11 @@
 		    </label>
 		  </td>
 		</tr>
+		<tr>
+		  <td id="content_type" colspan="3" class="hide">
+		    This is a non-HTML page. Chosen payload will not be injected.
+		  </td>
+		</tr>
 	      </tbody>
 	    </table>
 	    <label id="query_pattern" for="show_queried_view_radio" class="button">
diff --git a/html/display-panel.js b/html/display-panel.js
index ed96c07..66e51a6 100644
--- a/html/display-panel.js
+++ b/html/display-panel.js
@@ -230,6 +230,7 @@ const payload_buttons_div = by_id("payload_buttons");
 const view_payload_but = by_id("view_payload");
 const view_injected_but = by_id("view_injected");
 const container_for_injected = by_id("container_for_injected");
+const content_type_cell = by_id("content_type");
 
 const queried_items = new Map();
 
@@ -275,6 +276,10 @@ function handle_activity_report(message)
 	template.script_contents.textContent = data;
 	container_for_injected.appendChild(template.div);
     }
+    if (type === "content_type") {
+	if (!/html/.test(data))
+	    content_type_cell.classList.remove("hide");
+    }
     if (type === "repo_query_action") {
 	const key = data.prefix + data.item;
 	const results = queried_items.get(key) || {};