fix: fixed an index error for missing plugins

src/test/common_helper.py

@@ -163,6 +163,7 @@ def get_object(self, uid, analysis_filter=None):
                 'file_type': {'result': {'mime': 'application/octet-stream', 'full': 'test text'}},
                 'mandatory_plugin': {'result': 'mandatory result'},
                 'optional_plugin': {'result': 'optional result'},
+                'unloaded_plugin': {'result': 'optional result', 'plugin_version': '1.0.0'},
             }
             return result
         if uid == TEST_TEXT_FILE.uid:

src/test/unit/web_interface/test_app_show_analysis.py

@@ -42,6 +42,10 @@ def get_object(self, uid, analysis_filter=None):
             return FAILED_FO
         return super().get_object(uid, analysis_filter=analysis_filter)
 
+    @staticmethod
+    def get_view(plugin_name):  # noqa: ARG004
+        return ''
+
 
 @pytest.mark.WebInterfaceUnitTestConfig(intercom_mock_class=IntercomMock, database_mock_class=DbMock)
 class TestAppShowAnalysis:
@@ -60,6 +64,10 @@ def test_app_show_analysis_get_valid_fw(self, test_client):
         assert b'unknown' not in result
         assert b'2000-01-01' in result
 
+    def test_app_not_loaded(self, test_client):
+        response = test_client.get(f'/analysis/{TEST_FW.uid}/unloaded_plugin/ro/{TEST_FW.uid}').data
+        assert b'was not loaded' in response
+
     def test_app_show_analysis_file_with_preview(self, test_client):
         result = test_client.get(f'/analysis/{TEST_TEXT_FILE.uid}').data
         assert b'<strong>UID:</strong> ' + make_bytes(TEST_TEXT_FILE.uid) in result

src/web_interface/templates/analysis_plugins/general_information.html

@@ -60,10 +60,15 @@
             </td>
         </tr>
 
-        {% set version_backend = analysis_plugin_dict[selected_analysis][3] %}
         {% set version_database = analysis_metadata['plugin_version'] %}
+        {% set version_backend = analysis_plugin_dict.get(selected_analysis, (None, None, None, None))[3] %}
 
-        {% if selected_analysis == 'unpacker' or version_database | version_is_compatible(version_backend, True) %}
+        {% if version_backend == None %}
+            <tr>
+                <td class="table-danger">Plugin not found</td>
+                <td>The analysis plugin that belongs to this analysis result was not loaded, so the result cannot be rendered.</td>
+            </tr>
+        {% elif selected_analysis == 'unpacker' or version_database | version_is_compatible(version_backend, True) %}
             {% if analysis_result is not none and 'skipped' not in analysis_result %}
                 {% block analysis_result_details %}