Disable URL Preview setting if disabled on the homeserver (#33279)

* Disallow URL Previews if disabled by homeserver. * Cleanup nonsense * cleanup * cleanup * fixes * Remove import * Add an error handler * cleanup
2026-04-28 15:08:22 +00:00
parent 72d316df79
commit 2b943768ea
8 changed files with 181 additions and 9 deletions
@@ -5,9 +5,12 @@ SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only OR LicenseRef-Element-Com
 Please see LICENSE files in the repository root for full details.
 */

+import type { Capabilities } from "matrix-js-sdk/src/matrix";
 import RequiresSettingsController from "../../../../src/settings/controllers/RequiresSettingsController";
 import { SettingLevel } from "../../../../src/settings/SettingLevel";
 import SettingsStore from "../../../../src/settings/SettingsStore";
+import MatrixClientBackedController from "../../../../src/settings/controllers/MatrixClientBackedController";
+import { getMockClientWithEventEmitter, mockClientMethodsServer } from "../../../test-utils";

 describe("RequiresSettingsController", () => {
    afterEach(() => {
@@ -30,4 +33,107 @@ describe("RequiresSettingsController", () => {
        expect(controller.settingDisabled).toEqual(false);
        expect(controller.getValueOverride()).toEqual(null);
    });
+
+    describe("with capabilites", () => {
+        let client: ReturnType<typeof getMockClientWithEventEmitter>;
+        beforeEach(() => {
+            client = getMockClientWithEventEmitter({
+                ...mockClientMethodsServer(),
+                getCachedCapabilities: jest.fn().mockImplementation(() => {}),
+                getCapabilities: jest.fn().mockRejectedValue({}),
+            });
+            MatrixClientBackedController["_matrixClient"] = client;
+        });
+
+        afterEach(() => {
+            jest.restoreAllMocks();
+        });
+
+        it("will disable setting if capability check is true", async () => {
+            const caps = {
+                "m.change_password": {
+                    enabled: false,
+                },
+            };
+            client.getCachedCapabilities.mockImplementation(() => caps);
+            const controller = new RequiresSettingsController([], false, (c: Capabilities) => {
+                expect(c).toEqual(caps);
+                return !c["m.change_password"]?.enabled;
+            });
+
+            // Test that we fetch caps
+            controller["initMatrixClient"]();
+            expect(client.getCapabilities).toHaveBeenCalled();
+
+            // Test that we check caps.
+            expect(controller.settingDisabled).toEqual(true);
+            expect(controller.getValueOverride()).toEqual(false);
+            expect(client.getCachedCapabilities).toHaveBeenCalled();
+        });
+
+        it("will not disable setting if capability check is false", async () => {
+            const caps = {
+                "m.change_password": {
+                    enabled: true,
+                },
+            };
+            client.getCachedCapabilities.mockImplementation(() => caps);
+            const controller = new RequiresSettingsController([], false, (c: Capabilities) => {
+                expect(c).toEqual(caps);
+                return !c["m.change_password"]?.enabled;
+            });
+
+            // Test that we fetch caps
+            controller["initMatrixClient"]();
+            expect(client.getCapabilities).toHaveBeenCalled();
+
+            // Test that we check caps.
+            expect(controller.settingDisabled).toEqual(false);
+            expect(controller.getValueOverride()).toEqual(null);
+            expect(client.getCachedCapabilities).toHaveBeenCalled();
+        });
+
+        it("will check dependency settings before checking capabilites", async () => {
+            const caps = {
+                "m.change_password": {
+                    enabled: false,
+                },
+            };
+            client.getCachedCapabilities.mockImplementation(() => caps);
+            await SettingsStore.setValue("useCompactLayout", null, SettingLevel.DEVICE, false);
+            const controller = new RequiresSettingsController(["useCompactLayout"], false, (c: Capabilities) => false);
+
+            // Test that we fetch caps
+            controller["initMatrixClient"]();
+            expect(client.getCapabilities).toHaveBeenCalled();
+
+            // Test that we check caps.
+            expect(controller.settingDisabled).toEqual(true);
+            expect(controller.getValueOverride()).toEqual(false);
+            expect(client.getCachedCapabilities).not.toHaveBeenCalled();
+        });
+
+        it("will disable setting if capability check is true and dependency settings are true", async () => {
+            const caps = {
+                "m.change_password": {
+                    enabled: false,
+                },
+            };
+            client.getCachedCapabilities.mockImplementation(() => caps);
+            await SettingsStore.setValue("useCompactLayout", null, SettingLevel.DEVICE, true);
+            const controller = new RequiresSettingsController(["useCompactLayout"], false, (c: Capabilities) => {
+                expect(c).toEqual(caps);
+                return !c["m.change_password"]?.enabled;
+            });
+
+            // Test that we fetch caps
+            controller["initMatrixClient"]();
+            expect(client.getCapabilities).toHaveBeenCalled();
+
+            // Test that we check caps.
+            expect(controller.settingDisabled).toEqual(true);
+            expect(controller.getValueOverride()).toEqual(false);
+            expect(client.getCachedCapabilities).toHaveBeenCalled();
+        });
+    });
 });