[PM-6426] Create TaskSchedulerService and update long lived timeouts in the extension to leverage the new service (#8566)

* [PM-6426] Create TaskSchedulerService and update usage of long lived timeouts

* [PM-6426] Implementing nextSync timeout using TaskScheduler

* [PM-6426] Implementing systemClearClipboard using TaskScheduler

* [PM-6426] Fixing race condition with setting/unsetting active alarms

* [PM-6426] Implementing clear clipboard call on generatePasswordToClipboard with the TaskSchedulerService

* [PM-6426] Implementing abortTimeout for Fido2ClientService using TaskSchedulerService

* [PM-6426] Implementing reconnect timer timeout for NotificationService using the TaskSchedulerService

* [PM-6426] Implementing reconnect timer timeout for NotificationService using the TaskSchedulerService

* [PM-6426] Implementing sessionTimeout for LoginStrategyService using TaskSchedulerService

* [PM-6426] Implementing eventUploadInterval using TaskScheduler

* [PM-6426] Adding jest tests for the base TaskSchedulerService class

* [PM-6426] Updating jest tests for GeneratePasswordToClipboardCommand

* [PM-6426] Setting up the full sync process as an interval rather than a timeout

* [PM-6426] Renaming the scheduleNextSync alarm name

* [PM-6426] Fixing dependency references in services.module.ts

* [PM-6426] Adding jest tests for added BrowserApi methods

* [PM-6426] Refactoring small detail for how we identify the clear clipboard timeout in SystemService

* [PM-6426] Ensuring that we await clearing an established scheduled task for the notification service

* [PM-6426] Changing the name of the state definition for the TaskScheduler

* [PM-6426] Implementing jest tests for the BrowserTaskSchedulerService

* [PM-6426] Implementing jest tests for the BrowserTaskSchedulerService

* [PM-6426] Adding jest tests for the base TaskSchedulerService class

* [PM-6426] Finalizing jest tests for BrowserTaskScheduler class

* [PM-6426] Finalizing documentation on BrowserTaskSchedulerService

* [PM-6426] Fixing jest test for LoginStrategyService

* [PM-6426] Implementing compatibility for the browser.alarms api

* [PM-6426] Fixing how we check for the browser alarms api

* [PM-6426] Adding jest tests to the BrowserApi implementation

* [PM-6426] Aligning the implementation with our code guidelines for Angular components

* [PM-6426] Fixing jest tests and lint errors

* [PM-6426] Moving alarms api calls out of BrowserApi and structuring them within the BrowserTaskSchedulerService

* [PM-6426] Reworking implementation to register handlers separately from the call to those handlers

* [PM-6426] Adjusting how we register the fullSync scheduled task

* [PM-6426] Implementing approach for incorporating the user UUID when setting task handlers

* [PM-6426] Attempting to re-work implementation to facilitate userId-spcific alarms

* [PM-6426] Refactoring smaller details of the implementation

* [PM-6426] Working through the details of the implementation and setting up final refinments

* [PM-6426] Fixing some issues surrounding duplicate alarms triggering

* [PM-6426] Adjusting name for generate password to clipboard command task name

* [PM-6426] Fixing generate password to clipboard command jest tests

* [PM-6426] Working through jest tests and implementing a method to guard against setting a task without having a registered callback

* [PM-6426] Working through jest tests and implementing a method to guard against setting a task without having a registered callback

* [PM-6426] Implementing methodology for having a fallback to setTimeout if the browser context is lost in some manner

* [PM-6426] Working through jest tests

* [PM-6426] Working through jest tests

* [PM-6426] Working through jest tests

* [PM-6426] Working through jest tests

* [PM-6426] Finalizing stepped setInterval implementation

* [PM-6426] Implementing Jest tests for DefaultTaskSchedulerService

* [PM-6426] Adjusting jest tests

* [PM-6426] Adjusting jest tests

* [PM-6426] Adjusting jest tests

* [PM-6426] Fixing issues identified in code review

* [PM-6426] Fixing issues identified in code review

* [PM-6426] Removing user-based alarms and fixing an issue found with setting steppedd alarm interavals

* [PM-6426] Removing user-based alarms and fixing an issue found with setting steppedd alarm interavals

* [PM-6426] Fixing issue with typing information on a test

* [PM-6426] Using the getUpperBoundDelayInMinutes method to handle setting stepped alarms and setTimeout fallbacks

* [PM-6426] Removing the potential for the TaskScheduler to be optional

* [PM-6426] Reworking implementation to leverage subscription based deregistration of alarms

* [PM-6426] Fixing jest tests

* [PM-6426] Implementing foreground and background task scheduler services to avoid duplication of task scheudlers and to have the background setup as a fallback to the poopup tasks

* [PM-6426] Implementing foreground and background task scheduler services to avoid duplication of task scheudlers and to have the background setup as a fallback to the poopup tasks

* [PM-6426] Merging main into branch

* [PM-6426] Fixing issues with the CLI Service Container implementation

* [PM-6426] Reworking swallowed promises to contain a catch statement allow us to debug potential issues with registrations of alarms

* [PM-6426] Adding jest tests to the ForegroundTaskSchedulerService and the BackgroundTaskSchedulerService

* [PM-6426] Adding jest tests to the ForegroundTaskSchedulerService and the BackgroundTaskSchedulerService

* [PM-6426] Adding jest tests to the ForegroundTaskSchedulerService and the BackgroundTaskSchedulerService

* [PM-6426] Adding jest tests to the ForegroundTaskSchedulerService and the BackgroundTaskSchedulerService

* [PM-6426] Adjusting implementation based on code review feedback

* [PM-6426] Reworking file structure

* [PM-6426] Reworking file structure

* [PM-6426] Adding comments to provide clarity on how the login strategy cache experiation state is used

* [PM-6426] Catching and logging erorrs that appear from methods that return a promise within VaultTimeoutService

libs/common/src/platform/scheduling/default-task-scheduler.service.spec.ts

@@ -0,0 +1,123 @@
+import { mock, MockProxy } from "jest-mock-extended";
+
+import { LogService } from "../abstractions/log.service";
+import { ScheduledTaskNames } from "../scheduling/scheduled-task-name.enum";
+
+import { DefaultTaskSchedulerService } from "./default-task-scheduler.service";
+
+describe("DefaultTaskSchedulerService", () => {
+  const callback = jest.fn();
+  const delayInMs = 1000;
+  const intervalInMs = 1100;
+  let logService: MockProxy<LogService>;
+  let taskSchedulerService: DefaultTaskSchedulerService;
+
+  beforeEach(() => {
+    jest.useFakeTimers();
+    logService = mock<LogService>();
+    taskSchedulerService = new DefaultTaskSchedulerService(logService);
+    taskSchedulerService.registerTaskHandler(
+      ScheduledTaskNames.loginStrategySessionTimeout,
+      callback,
+    );
+  });
+
+  afterEach(() => {
+    jest.clearAllTimers();
+    jest.clearAllMocks();
+  });
+
+  it("triggers an error when setting a timeout for a task that is not registered", async () => {
+    expect(() =>
+      taskSchedulerService.setTimeout(ScheduledTaskNames.notificationsReconnectTimeout, 1000),
+    ).toThrow(
+      `Task handler for ${ScheduledTaskNames.notificationsReconnectTimeout} not registered. Unable to schedule task.`,
+    );
+  });
+
+  it("triggers an error when setting an interval for a task that is not registered", async () => {
+    expect(() =>
+      taskSchedulerService.setInterval(ScheduledTaskNames.notificationsReconnectTimeout, 1000),
+    ).toThrow(
+      `Task handler for ${ScheduledTaskNames.notificationsReconnectTimeout} not registered. Unable to schedule task.`,
+    );
+  });
+
+  it("overrides the handler for a previously registered task and provides a warning about the task registration", () => {
+    taskSchedulerService.registerTaskHandler(
+      ScheduledTaskNames.loginStrategySessionTimeout,
+      callback,
+    );
+
+    expect(logService.warning).toHaveBeenCalledWith(
+      `Task handler for ${ScheduledTaskNames.loginStrategySessionTimeout} already exists. Overwriting.`,
+    );
+    expect(
+      taskSchedulerService["taskHandlers"].get(ScheduledTaskNames.loginStrategySessionTimeout),
+    ).toBeDefined();
+  });
+
+  it("sets a timeout and returns the timeout id", () => {
+    const timeoutId = taskSchedulerService.setTimeout(
+      ScheduledTaskNames.loginStrategySessionTimeout,
+      delayInMs,
+    );
+
+    expect(timeoutId).toBeDefined();
+    expect(callback).not.toHaveBeenCalled();
+
+    jest.advanceTimersByTime(delayInMs);
+
+    expect(callback).toHaveBeenCalled();
+  });
+
+  it("sets an interval timeout and results the interval id", () => {
+    const intervalId = taskSchedulerService.setInterval(
+      ScheduledTaskNames.loginStrategySessionTimeout,
+      intervalInMs,
+    );
+
+    expect(intervalId).toBeDefined();
+    expect(callback).not.toHaveBeenCalled();
+
+    jest.advanceTimersByTime(intervalInMs);
+
+    expect(callback).toHaveBeenCalled();
+
+    jest.advanceTimersByTime(intervalInMs);
+
+    expect(callback).toHaveBeenCalledTimes(2);
+  });
+
+  it("clears scheduled tasks using the timeout id", () => {
+    const timeoutHandle = taskSchedulerService.setTimeout(
+      ScheduledTaskNames.loginStrategySessionTimeout,
+      delayInMs,
+    );
+
+    expect(timeoutHandle).toBeDefined();
+    expect(callback).not.toHaveBeenCalled();
+
+    timeoutHandle.unsubscribe();
+
+    jest.advanceTimersByTime(delayInMs);
+
+    expect(callback).not.toHaveBeenCalled();
+  });
+
+  it("clears scheduled tasks using the interval id", () => {
+    const intervalHandle = taskSchedulerService.setInterval(
+      ScheduledTaskNames.loginStrategySessionTimeout,
+      intervalInMs,
+    );
+
+    expect(intervalHandle).toBeDefined();
+    expect(callback).not.toHaveBeenCalled();
+
+    intervalHandle.unsubscribe();
+
+    jest.advanceTimersByTime(intervalInMs);
+
+    expect(callback).not.toHaveBeenCalled();
+  });
+});

libs/common/src/platform/scheduling/default-task-scheduler.service.ts

@@ -0,0 +1,97 @@
+import { Subscription } from "rxjs";
+
+import { LogService } from "../abstractions/log.service";
+import { ScheduledTaskName } from "../scheduling/scheduled-task-name.enum";
+import { TaskSchedulerService } from "../scheduling/task-scheduler.service";
+
+export class DefaultTaskSchedulerService extends TaskSchedulerService {
+  constructor(protected logService: LogService) {
+    super();
+
+    this.taskHandlers = new Map();
+  }
+
+  /**
+   * Sets a timeout and returns the timeout id.
+   *
+   * @param taskName - The name of the task. Unused in the base implementation.
+   * @param delayInMs - The delay in milliseconds.
+   */
+  setTimeout(taskName: ScheduledTaskName, delayInMs: number): Subscription {
+    this.validateRegisteredTask(taskName);
+
+    const timeoutHandle = globalThis.setTimeout(() => this.triggerTask(taskName), delayInMs);
+    return new Subscription(() => globalThis.clearTimeout(timeoutHandle));
+  }
+
+  /**
+   * Sets an interval and returns the interval id.
+   *
+   * @param taskName - The name of the task. Unused in the base implementation.
+   * @param intervalInMs - The interval in milliseconds.
+   * @param _initialDelayInMs - The initial delay in milliseconds. Unused in the base implementation.
+   */
+  setInterval(
+    taskName: ScheduledTaskName,
+    intervalInMs: number,
+    _initialDelayInMs?: number,
+  ): Subscription {
+    this.validateRegisteredTask(taskName);
+
+    const intervalHandle = globalThis.setInterval(() => this.triggerTask(taskName), intervalInMs);
+
+    return new Subscription(() => globalThis.clearInterval(intervalHandle));
+  }
+
+  /**
+   * Registers a task handler.
+   *
+   * @param taskName - The name of the task.
+   * @param handler - The task handler.
+   */
+  registerTaskHandler(taskName: ScheduledTaskName, handler: () => void) {
+    const existingHandler = this.taskHandlers.get(taskName);
+    if (existingHandler) {
+      this.logService.warning(`Task handler for ${taskName} already exists. Overwriting.`);
+      this.unregisterTaskHandler(taskName);
+    }
+
+    this.taskHandlers.set(taskName, handler);
+  }
+
+  /**
+   * Unregisters a task handler.
+   *
+   * @param taskName - The name of the task.
+   */
+  unregisterTaskHandler(taskName: ScheduledTaskName) {
+    this.taskHandlers.delete(taskName);
+  }
+
+  /**
+   * Triggers a task.
+   *
+   * @param taskName - The name of the task.
+   * @param _periodInMinutes - The period in minutes. Unused in the base implementation.
+   */
+  protected async triggerTask(
+    taskName: ScheduledTaskName,
+    _periodInMinutes?: number,
+  ): Promise<void> {
+    const handler = this.taskHandlers.get(taskName);
+    if (handler) {
+      handler();
+    }
+  }
+
+  /**
+   * Validates that a task handler is registered.
+   *
+   * @param taskName - The name of the task.
+   */
+  protected validateRegisteredTask(taskName: ScheduledTaskName): void {
+    if (!this.taskHandlers.has(taskName)) {
+      throw new Error(`Task handler for ${taskName} not registered. Unable to schedule task.`);
+    }
+  }
+}

libs/common/src/platform/scheduling/index.ts

@@ -0,0 +1,3 @@
+export { TaskSchedulerService } from "./task-scheduler.service";
+export { DefaultTaskSchedulerService } from "./default-task-scheduler.service";
+export { ScheduledTaskNames, ScheduledTaskName } from "./scheduled-task-name.enum";

libs/common/src/platform/scheduling/scheduled-task-name.enum.ts

@@ -0,0 +1,12 @@
+export const ScheduledTaskNames = {
+  generatePasswordClearClipboardTimeout: "generatePasswordClearClipboardTimeout",
+  systemClearClipboardTimeout: "systemClearClipboardTimeout",
+  loginStrategySessionTimeout: "loginStrategySessionTimeout",
+  notificationsReconnectTimeout: "notificationsReconnectTimeout",
+  fido2ClientAbortTimeout: "fido2ClientAbortTimeout",
+  scheduleNextSyncInterval: "scheduleNextSyncInterval",
+  eventUploadsInterval: "eventUploadsInterval",
+  vaultTimeoutCheckInterval: "vaultTimeoutCheckInterval",
+} as const;
+
+export type ScheduledTaskName = (typeof ScheduledTaskNames)[keyof typeof ScheduledTaskNames];

libs/common/src/platform/scheduling/task-scheduler.service.ts

@@ -0,0 +1,16 @@
+import { Subscription } from "rxjs";
+
+import { ScheduledTaskName } from "./scheduled-task-name.enum";
+
+export abstract class TaskSchedulerService {
+  protected taskHandlers: Map<string, () => void>;
+  abstract setTimeout(taskName: ScheduledTaskName, delayInMs: number): Subscription;
+  abstract setInterval(
+    taskName: ScheduledTaskName,
+    intervalInMs: number,
+    initialDelayInMs?: number,
+  ): Subscription;
+  abstract registerTaskHandler(taskName: ScheduledTaskName, handler: () => void): void;
+  abstract unregisterTaskHandler(taskName: ScheduledTaskName): void;
+  protected abstract triggerTask(taskName: ScheduledTaskName, periodInMinutes?: number): void;
+}

libs/common/src/platform/services/fido2/fido2-client.service.spec.ts

@@ -4,6 +4,7 @@ import { of } from "rxjs";
 import { AuthService } from "../../../auth/abstractions/auth.service";
 import { AuthenticationStatus } from "../../../auth/enums/authentication-status";
 import { DomainSettingsService } from "../../../autofill/services/domain-settings.service";
+import { Utils } from "../../../platform/misc/utils";
 import { VaultSettingsService } from "../../../vault/abstractions/vault-settings/vault-settings.service";
 import { ConfigService } from "../../abstractions/config/config.service";
 import {
@@ -17,7 +18,7 @@ import {
   CreateCredentialParams,
   FallbackRequestedError,
 } from "../../abstractions/fido2/fido2-client.service.abstraction";
-import { Utils } from "../../misc/utils";
+import { TaskSchedulerService } from "../../scheduling/task-scheduler.service";
 
 import * as DomainUtils from "./domain-utils";
 import { Fido2AuthenticatorService } from "./fido2-authenticator.service";
@@ -35,6 +36,7 @@ describe("FidoAuthenticatorService", () => {
   let authService!: MockProxy<AuthService>;
   let vaultSettingsService: MockProxy<VaultSettingsService>;
   let domainSettingsService: MockProxy<DomainSettingsService>;
+  let taskSchedulerService: MockProxy<TaskSchedulerService>;
   let client!: Fido2ClientService;
   let tab!: chrome.tabs.Tab;
   let isValidRpId!: jest.SpyInstance;
@@ -45,6 +47,7 @@ describe("FidoAuthenticatorService", () => {
     authService = mock<AuthService>();
     vaultSettingsService = mock<VaultSettingsService>();
     domainSettingsService = mock<DomainSettingsService>();
+    taskSchedulerService = mock<TaskSchedulerService>();
 
     isValidRpId = jest.spyOn(DomainUtils, "isValidRpId");
 
@@ -54,6 +57,7 @@ describe("FidoAuthenticatorService", () => {
       authService,
       vaultSettingsService,
       domainSettingsService,
+      taskSchedulerService,
     );
     configService.serverConfig$ = of({ environment: { vault: VaultUrl } } as any);
     vaultSettingsService.enablePasskeys$ = of(true);

libs/common/src/platform/services/fido2/fido2-client.service.ts

@@ -1,4 +1,4 @@
-import { firstValueFrom } from "rxjs";
+import { firstValueFrom, Subscription } from "rxjs";
 import { parse } from "tldts";
 
 import { AuthService } from "../../../auth/abstractions/auth.service";
@@ -27,6 +27,8 @@ import {
 } from "../../abstractions/fido2/fido2-client.service.abstraction";
 import { LogService } from "../../abstractions/log.service";
 import { Utils } from "../../misc/utils";
+import { ScheduledTaskNames } from "../../scheduling/scheduled-task-name.enum";
+import { TaskSchedulerService } from "../../scheduling/task-scheduler.service";
 
 import { isValidRpId } from "./domain-utils";
 import { Fido2Utils } from "./fido2-utils";
@@ -38,14 +40,33 @@ import { Fido2Utils } from "./fido2-utils";
  * It is highly recommended that the W3C specification is used a reference when reading this code.
  */
 export class Fido2ClientService implements Fido2ClientServiceAbstraction {
+  private timeoutAbortController: AbortController;
+  private readonly TIMEOUTS = {
+    NO_VERIFICATION: {
+      DEFAULT: 120000,
+      MIN: 30000,
+      MAX: 180000,
+    },
+    WITH_VERIFICATION: {
+      DEFAULT: 300000,
+      MIN: 30000,
+      MAX: 600000,
+    },
+  };
+
   constructor(
     private authenticator: Fido2AuthenticatorService,
     private configService: ConfigService,
     private authService: AuthService,
     private vaultSettingsService: VaultSettingsService,
     private domainSettingsService: DomainSettingsService,
+    private taskSchedulerService: TaskSchedulerService,
     private logService?: LogService,
-  ) {}
+  ) {
+    this.taskSchedulerService.registerTaskHandler(ScheduledTaskNames.fido2ClientAbortTimeout, () =>
+      this.timeoutAbortController?.abort(),
+    );
+  }
 
   async isFido2FeatureEnabled(hostname: string, origin: string): Promise<boolean> {
     const isUserLoggedIn =
@@ -161,7 +182,7 @@ export class Fido2ClientService implements Fido2ClientServiceAbstraction {
       this.logService?.info(`[Fido2Client] Aborted with AbortController`);
       throw new DOMException("The operation either timed out or was not allowed.", "AbortError");
     }
-    const timeout = setAbortTimeout(
+    const timeoutSubscription = this.setAbortTimeout(
       abortController,
       params.authenticatorSelection?.userVerification,
       params.timeout,
@@ -210,7 +231,8 @@ export class Fido2ClientService implements Fido2ClientServiceAbstraction {
       };
     }
 
-    clearTimeout(timeout);
+    timeoutSubscription?.unsubscribe();
+
     return {
       credentialId: Fido2Utils.bufferToString(makeCredentialResult.credentialId),
       attestationObject: Fido2Utils.bufferToString(makeCredentialResult.attestationObject),
@@ -273,7 +295,11 @@ export class Fido2ClientService implements Fido2ClientServiceAbstraction {
       throw new DOMException("The operation either timed out or was not allowed.", "AbortError");
     }
 
-    const timeout = setAbortTimeout(abortController, params.userVerification, params.timeout);
+    const timeoutSubscription = this.setAbortTimeout(
+      abortController,
+      params.userVerification,
+      params.timeout,
+    );
 
     let getAssertionResult;
     try {
@@ -310,7 +336,8 @@ export class Fido2ClientService implements Fido2ClientServiceAbstraction {
       this.logService?.info(`[Fido2Client] Aborted with AbortController`);
       throw new DOMException("The operation either timed out or was not allowed.", "AbortError");
     }
-    clearTimeout(timeout);
+
+    timeoutSubscription?.unsubscribe();
 
     return {
       authenticatorData: Fido2Utils.bufferToString(getAssertionResult.authenticatorData),
@@ -323,43 +350,29 @@ export class Fido2ClientService implements Fido2ClientServiceAbstraction {
       signature: Fido2Utils.bufferToString(getAssertionResult.signature),
     };
   }
-}
 
-const TIMEOUTS = {
-  NO_VERIFICATION: {
-    DEFAULT: 120000,
-    MIN: 30000,
-    MAX: 180000,
-  },
-  WITH_VERIFICATION: {
-    DEFAULT: 300000,
-    MIN: 30000,
-    MAX: 600000,
-  },
-};
+  private setAbortTimeout = (
+    abortController: AbortController,
+    userVerification?: UserVerification,
+    timeout?: number,
+  ): Subscription => {
+    let clampedTimeout: number;
 
-function setAbortTimeout(
-  abortController: AbortController,
-  userVerification?: UserVerification,
-  timeout?: number,
-): number {
-  let clampedTimeout: number;
+    const { WITH_VERIFICATION, NO_VERIFICATION } = this.TIMEOUTS;
+    if (userVerification === "required") {
+      timeout = timeout ?? WITH_VERIFICATION.DEFAULT;
+      clampedTimeout = Math.max(WITH_VERIFICATION.MIN, Math.min(timeout, WITH_VERIFICATION.MAX));
+    } else {
+      timeout = timeout ?? NO_VERIFICATION.DEFAULT;
+      clampedTimeout = Math.max(NO_VERIFICATION.MIN, Math.min(timeout, NO_VERIFICATION.MAX));
+    }
 
-  if (userVerification === "required") {
-    timeout = timeout ?? TIMEOUTS.WITH_VERIFICATION.DEFAULT;
-    clampedTimeout = Math.max(
-      TIMEOUTS.WITH_VERIFICATION.MIN,
-      Math.min(timeout, TIMEOUTS.WITH_VERIFICATION.MAX),
+    this.timeoutAbortController = abortController;
+    return this.taskSchedulerService.setTimeout(
+      ScheduledTaskNames.fido2ClientAbortTimeout,
+      clampedTimeout,
     );
-  } else {
-    timeout = timeout ?? TIMEOUTS.NO_VERIFICATION.DEFAULT;
-    clampedTimeout = Math.max(
-      TIMEOUTS.NO_VERIFICATION.MIN,
-      Math.min(timeout, TIMEOUTS.NO_VERIFICATION.MAX),
-    );
-  }
-
-  return self.setTimeout(() => abortController.abort(), clampedTimeout);
+  };
 }
 
 /**

libs/common/src/platform/services/system.service.ts

@@ -1,4 +1,4 @@
-import { firstValueFrom, map, timeout } from "rxjs";
+import { firstValueFrom, map, Subscription, timeout } from "rxjs";
 
 import { PinServiceAbstraction } from "../../../../auth/src/common/abstractions";
 import { VaultTimeoutSettingsService } from "../../abstractions/vault-timeout/vault-timeout-settings.service";
@@ -13,10 +13,12 @@ import { PlatformUtilsService } from "../abstractions/platform-utils.service";
 import { SystemService as SystemServiceAbstraction } from "../abstractions/system.service";
 import { BiometricStateService } from "../biometrics/biometric-state.service";
 import { Utils } from "../misc/utils";
+import { ScheduledTaskNames } from "../scheduling/scheduled-task-name.enum";
+import { TaskSchedulerService } from "../scheduling/task-scheduler.service";
 
 export class SystemService implements SystemServiceAbstraction {
   private reloadInterval: any = null;
-  private clearClipboardTimeout: any = null;
+  private clearClipboardTimeoutSubscription: Subscription;
   private clearClipboardTimeoutFunction: () => Promise<any> = null;
 
   constructor(
@@ -28,7 +30,13 @@ export class SystemService implements SystemServiceAbstraction {
     private vaultTimeoutSettingsService: VaultTimeoutSettingsService,
     private biometricStateService: BiometricStateService,
     private accountService: AccountService,
-  ) {}
+    private taskSchedulerService: TaskSchedulerService,
+  ) {
+    this.taskSchedulerService.registerTaskHandler(
+      ScheduledTaskNames.systemClearClipboardTimeout,
+      () => this.clearPendingClipboard(),
+    );
+  }
 
   async startProcessReload(authService: AuthService): Promise<void> {
     const accounts = await firstValueFrom(this.accountService.accounts$);
@@ -111,25 +119,22 @@ export class SystemService implements SystemServiceAbstraction {
   }
 
   async clearClipboard(clipboardValue: string, timeoutMs: number = null): Promise<void> {
-    if (this.clearClipboardTimeout != null) {
-      clearTimeout(this.clearClipboardTimeout);
-      this.clearClipboardTimeout = null;
-    }
+    this.clearClipboardTimeoutSubscription?.unsubscribe();
 
     if (Utils.isNullOrWhitespace(clipboardValue)) {
       return;
     }
 
-    const clearClipboardDelay = await firstValueFrom(
-      this.autofillSettingsService.clearClipboardDelay$,
-    );
-
-    if (clearClipboardDelay == null) {
-      return;
+    let taskTimeoutInMs = timeoutMs;
+    if (!taskTimeoutInMs) {
+      const clearClipboardDelayInSeconds = await firstValueFrom(
+        this.autofillSettingsService.clearClipboardDelay$,
+      );
+      taskTimeoutInMs = clearClipboardDelayInSeconds ? clearClipboardDelayInSeconds * 1000 : null;
     }
 
-    if (timeoutMs == null) {
-      timeoutMs = clearClipboardDelay * 1000;
+    if (!taskTimeoutInMs) {
+      return;
     }
 
     this.clearClipboardTimeoutFunction = async () => {
@@ -139,9 +144,10 @@ export class SystemService implements SystemServiceAbstraction {
       }
     };
 
-    this.clearClipboardTimeout = setTimeout(async () => {
-      await this.clearPendingClipboard();
-    }, timeoutMs);
+    this.clearClipboardTimeoutSubscription = this.taskSchedulerService.setTimeout(
+      ScheduledTaskNames.systemClearClipboardTimeout,
+      taskTimeoutInMs,
+    );
   }
 
   async clearPendingClipboard() {

libs/common/src/platform/state/state-definitions.ts

@@ -112,6 +112,7 @@ export const ENVIRONMENT_DISK = new StateDefinition("environment", "disk");
 export const ENVIRONMENT_MEMORY = new StateDefinition("environment", "memory");
 export const THEMING_DISK = new StateDefinition("theming", "disk", { web: "disk-local" });
 export const TRANSLATION_DISK = new StateDefinition("translation", "disk", { web: "disk-local" });
+export const TASK_SCHEDULER_DISK = new StateDefinition("taskScheduler", "disk");
 
 // Secrets Manager
 

libs/common/src/services/event/event-upload.service.ts

@@ -7,6 +7,8 @@ import { AuthenticationStatus } from "../../auth/enums/authentication-status";
 import { EventData } from "../../models/data/event.data";
 import { EventRequest } from "../../models/request/event.request";
 import { LogService } from "../../platform/abstractions/log.service";
+import { ScheduledTaskNames } from "../../platform/scheduling/scheduled-task-name.enum";
+import { TaskSchedulerService } from "../../platform/scheduling/task-scheduler.service";
 import { StateProvider } from "../../platform/state";
 import { UserId } from "../../types/guid";
 
@@ -19,7 +21,12 @@ export class EventUploadService implements EventUploadServiceAbstraction {
     private stateProvider: StateProvider,
     private logService: LogService,
     private authService: AuthService,
-  ) {}
+    private taskSchedulerService: TaskSchedulerService,
+  ) {
+    this.taskSchedulerService.registerTaskHandler(ScheduledTaskNames.eventUploadsInterval, () =>
+      this.uploadEvents(),
+    );
+  }
 
   init(checkOnInterval: boolean) {
     if (this.inited) {
@@ -28,10 +35,11 @@ export class EventUploadService implements EventUploadServiceAbstraction {
 
     this.inited = true;
     if (checkOnInterval) {
-      // FIXME: Verify that this floating promise is intentional. If it is, add an explanatory comment and ensure there is proper error handling.
-      // eslint-disable-next-line @typescript-eslint/no-floating-promises
-      this.uploadEvents();
-      setInterval(() => this.uploadEvents(), 60 * 1000); // check every 60 seconds
+      void this.uploadEvents();
+      this.taskSchedulerService.setInterval(
+        ScheduledTaskNames.eventUploadsInterval,
+        60 * 1000, // check every 60 seconds
+      );
     }
   }
 

libs/common/src/services/notifications.service.ts

@@ -1,6 +1,6 @@
 import * as signalR from "@microsoft/signalr";
 import * as signalRMsgPack from "@microsoft/signalr-protocol-msgpack";
-import { firstValueFrom } from "rxjs";
+import { firstValueFrom, Subscription } from "rxjs";
 
 import { LogoutReason } from "@bitwarden/auth/common";
 
@@ -20,6 +20,8 @@ import { EnvironmentService } from "../platform/abstractions/environment.service
 import { LogService } from "../platform/abstractions/log.service";
 import { MessagingService } from "../platform/abstractions/messaging.service";
 import { StateService } from "../platform/abstractions/state.service";
+import { ScheduledTaskNames } from "../platform/scheduling/scheduled-task-name.enum";
+import { TaskSchedulerService } from "../platform/scheduling/task-scheduler.service";
 import { SyncService } from "../vault/abstractions/sync/sync.service.abstraction";
 
 export class NotificationsService implements NotificationsServiceAbstraction {
@@ -28,7 +30,8 @@ export class NotificationsService implements NotificationsServiceAbstraction {
   private connected = false;
   private inited = false;
   private inactive = false;
-  private reconnectTimer: any = null;
+  private reconnectTimerSubscription: Subscription;
+  private isSyncingOnReconnect = true;
 
   constructor(
     private logService: LogService,
@@ -40,7 +43,12 @@ export class NotificationsService implements NotificationsServiceAbstraction {
     private stateService: StateService,
     private authService: AuthService,
     private messagingService: MessagingService,
+    private taskSchedulerService: TaskSchedulerService,
   ) {
+    this.taskSchedulerService.registerTaskHandler(
+      ScheduledTaskNames.notificationsReconnectTimeout,
+      () => this.reconnect(this.isSyncingOnReconnect),
+    );
     this.environmentService.environment$.subscribe(() => {
       if (!this.inited) {
         return;
@@ -213,10 +221,8 @@ export class NotificationsService implements NotificationsServiceAbstraction {
   }
 
   private async reconnect(sync: boolean) {
-    if (this.reconnectTimer != null) {
-      clearTimeout(this.reconnectTimer);
-      this.reconnectTimer = null;
-    }
+    this.reconnectTimerSubscription?.unsubscribe();
+
     if (this.connected || !this.inited || this.inactive) {
       return;
     }
@@ -236,7 +242,11 @@ export class NotificationsService implements NotificationsServiceAbstraction {
     }
 
     if (!this.connected) {
-      this.reconnectTimer = setTimeout(() => this.reconnect(sync), this.random(120000, 300000));
+      this.isSyncingOnReconnect = sync;
+      this.reconnectTimerSubscription = this.taskSchedulerService.setTimeout(
+        ScheduledTaskNames.notificationsReconnectTimeout,
+        this.random(120000, 300000),
+      );
     }
   }
 

libs/common/src/services/vault-timeout/vault-timeout.service.spec.ts

@@ -2,6 +2,8 @@ import { MockProxy, any, mock } from "jest-mock-extended";
 import { BehaviorSubject, from, of } from "rxjs";
 
 import { LogoutReason } from "@bitwarden/auth/common";
+import { LogService } from "@bitwarden/common/platform/abstractions/log.service";
+import { TaskSchedulerService } from "@bitwarden/common/platform/scheduling";
 
 import { FakeAccountService, mockAccountServiceWith } from "../../../spec/fake-account-service";
 import { SearchService } from "../../abstractions/search.service";
@@ -37,6 +39,8 @@ describe("VaultTimeoutService", () => {
   let authService: MockProxy<AuthService>;
   let vaultTimeoutSettingsService: MockProxy<VaultTimeoutSettingsService>;
   let stateEventRunnerService: MockProxy<StateEventRunnerService>;
+  let taskSchedulerService: MockProxy<TaskSchedulerService>;
+  let logService: MockProxy<LogService>;
   let lockedCallback: jest.Mock<Promise<void>, [userId: string]>;
   let loggedOutCallback: jest.Mock<Promise<void>, [logoutReason: LogoutReason, userId?: string]>;
 
@@ -60,6 +64,8 @@ describe("VaultTimeoutService", () => {
     authService = mock();
     vaultTimeoutSettingsService = mock();
     stateEventRunnerService = mock();
+    taskSchedulerService = mock<TaskSchedulerService>();
+    logService = mock<LogService>();
 
     lockedCallback = jest.fn();
     loggedOutCallback = jest.fn();
@@ -85,6 +91,8 @@ describe("VaultTimeoutService", () => {
       authService,
       vaultTimeoutSettingsService,
       stateEventRunnerService,
+      taskSchedulerService,
+      logService,
       lockedCallback,
       loggedOutCallback,
     );

libs/common/src/services/vault-timeout/vault-timeout.service.ts

@@ -1,6 +1,8 @@
 import { combineLatest, filter, firstValueFrom, map, switchMap, timeout } from "rxjs";
 
 import { LogoutReason } from "@bitwarden/auth/common";
+import { LogService } from "@bitwarden/common/platform/abstractions/log.service";
+import { TaskSchedulerService, ScheduledTaskNames } from "@bitwarden/common/platform/scheduling";
 
 import { SearchService } from "../../abstractions/search.service";
 import { VaultTimeoutSettingsService } from "../../abstractions/vault-timeout/vault-timeout-settings.service";
@@ -35,12 +37,19 @@ export class VaultTimeoutService implements VaultTimeoutServiceAbstraction {
     private authService: AuthService,
     private vaultTimeoutSettingsService: VaultTimeoutSettingsService,
     private stateEventRunnerService: StateEventRunnerService,
+    private taskSchedulerService: TaskSchedulerService,
+    protected logService: LogService,
     private lockedCallback: (userId?: string) => Promise<void> = null,
     private loggedOutCallback: (
       logoutReason: LogoutReason,
       userId?: string,
     ) => Promise<void> = null,
-  ) {}
+  ) {
+    this.taskSchedulerService.registerTaskHandler(
+      ScheduledTaskNames.vaultTimeoutCheckInterval,
+      () => this.checkVaultTimeout(),
+    );
+  }
 
   async init(checkOnInterval: boolean) {
     if (this.inited) {
@@ -54,10 +63,11 @@ export class VaultTimeoutService implements VaultTimeoutServiceAbstraction {
   }
 
   startCheck() {
-    // FIXME: Verify that this floating promise is intentional. If it is, add an explanatory comment and ensure there is proper error handling.
-    // eslint-disable-next-line @typescript-eslint/no-floating-promises
-    this.checkVaultTimeout();
-    setInterval(() => this.checkVaultTimeout(), 10 * 1000); // check every 10 seconds
+    this.checkVaultTimeout().catch((error) => this.logService.error(error));
+    this.taskSchedulerService.setInterval(
+      ScheduledTaskNames.vaultTimeoutCheckInterval,
+      10 * 1000, // check every 10 seconds
+    );
   }
 
   async checkVaultTimeout(): Promise<void> {