[Discover] Do not update defaultIndex in case of insufficient permissions

src/plugins/data_views/common/data_views/data_views.test.ts

@@ -103,6 +103,7 @@ describe('IndexPatterns', () => {
       onError: () => {},
       onRedirectNoIndexPattern: () => {},
       getCanSave: () => Promise.resolve(true),
+      getCanSaveAdvancedSettings: () => Promise.resolve(true),
     });
 
     indexPatternsNoAccess = new DataViewsService({
@@ -114,6 +115,7 @@ describe('IndexPatterns', () => {
       onError: () => {},
       onRedirectNoIndexPattern: () => {},
       getCanSave: () => Promise.resolve(false),
+      getCanSaveAdvancedSettings: () => Promise.resolve(false),
     });
   });
 
@@ -438,5 +440,30 @@ describe('IndexPatterns', () => {
       expect(uiSettings.remove).toBeCalledTimes(0);
       expect(uiSettings.set).toBeCalledTimes(1);
     });
+    test('dont set defaultIndex without capability allowing advancedSettings save', async () => {
+      savedObjectsClient.find = jest.fn().mockResolvedValue([
+        {
+          id: 'id1',
+          version: 'a',
+          attributes: { title: '1' },
+        },
+        {
+          id: 'id2',
+          version: 'a',
+          attributes: { title: '2' },
+        },
+      ]);
+
+      savedObjectsClient.get = jest
+        .fn()
+        .mockImplementation((type: string, id: string) =>
+          Promise.resolve({ id, version: 'a', attributes: { title: '1' } })
+        );
+
+      const defaultDataViewResult = await indexPatternsNoAccess.getDefaultDataView();
+      expect(defaultDataViewResult).toBeInstanceOf(DataView);
+      expect(defaultDataViewResult?.id).toBe('id1');
+      expect(uiSettings.set).toBeCalledTimes(0);
+    });
   });
 });

src/plugins/data_views/common/data_views/data_views.ts

@@ -96,7 +96,7 @@ export interface DataViewsServiceDeps {
    */
   fieldFormats: FieldFormatsStartCommon;
   /**
-   * Hander for service notifications
+   * Handler for service notifications
    */
   onNotification: OnNotification;
   /**
@@ -111,6 +111,10 @@ export interface DataViewsServiceDeps {
    * Determines whether the user can save data views
    */
   getCanSave: () => Promise<boolean>;
+  /**
+   * Determines whether the user can save advancedSettings (used for defaultIndex)
+   */
+  getCanSaveAdvancedSettings: () => Promise<boolean>;
 }
 
 /**
@@ -275,11 +279,14 @@ export class DataViewsService {
    */
   private onError: OnError;
   private dataViewCache: ReturnType<typeof createDataViewCache>;
+  /**
+   * Can the user save advanced settings?
+   */
+  private getCanSaveAdvancedSettings: () => Promise<boolean>;
   /**
    * Can the user save data views?
    */
   public getCanSave: () => Promise<boolean>;
-
   /**
    * DataViewsService constructor
    * @param deps Service dependencies
@@ -293,6 +300,7 @@ export class DataViewsService {
       onNotification,
       onError,
       getCanSave = () => Promise.resolve(false),
+      getCanSaveAdvancedSettings,
     } = deps;
     this.apiClient = apiClient;
     this.config = uiSettings;
@@ -301,6 +309,7 @@ export class DataViewsService {
     this.onNotification = onNotification;
     this.onError = onError;
     this.getCanSave = getCanSave;
+    this.getCanSaveAdvancedSettings = getCanSaveAdvancedSettings;
 
     this.dataViewCache = createDataViewCache();
   }
@@ -837,9 +846,10 @@ export class DataViewsService {
   }
 
   /**
-   * Save existing dat aview. Will attempt to merge differences if there are conflicts.
+   * Save existing data view. Will attempt to merge differences if there are conflicts.
    * @param indexPattern
    * @param saveAttempts
+   * @param ignoreErrors
    */
 
   async updateSavedObject(
@@ -959,7 +969,10 @@ export class DataViewsService {
     const exists = defaultId ? patterns.some((pattern) => pattern.id === defaultId) : false;
 
     if (defaultId && !exists) {
-      await this.config.remove('defaultIndex');
+      if (await this.getCanSaveAdvancedSettings()) {
+        await this.config.remove('defaultIndex');
+      }
+
       defaultId = undefined;
     }
 
@@ -973,7 +986,9 @@ export class DataViewsService {
       );
 
       defaultId = userDataViews[0]?.id ?? patterns[0].id;
-      await this.config.set('defaultIndex', defaultId);
+      if (await this.getCanSaveAdvancedSettings()) {
+        await this.config.set('defaultIndex', defaultId);
+      }
     }
 
     if (defaultId) {

src/plugins/data_views/public/plugin.ts

@@ -74,6 +74,8 @@ export class DataViewsPublicPlugin
       },
       getCanSave: () => Promise.resolve(application.capabilities.indexPatterns.save === true),
       getCanSaveSync: () => application.capabilities.indexPatterns.save === true,
+      getCanSaveAdvancedSettings: () =>
+        Promise.resolve(application.capabilities.advancedSettings.save === true),
     });
   }
 

src/plugins/data_views/server/data_views_service_factory.ts

@@ -59,5 +59,11 @@ export const dataViewsServiceFactory = (deps: DataViewsServiceFactoryDeps) =>
           : request
           ? (await capabilities.resolveCapabilities(request)).indexPatterns.save === true
           : false,
+      getCanSaveAdvancedSettings: async () =>
+        byPassCapabilities
+          ? true
+          : request
+          ? (await capabilities.resolveCapabilities(request)).advancedSettings.save === true
+          : false,
     });
   };