From 1fab031b14f02037193e1b40dc92f3cf3d2d5c04 Mon Sep 17 00:00:00 2001
From: Vijay Raghavan Aravamudhan <vraravam@users.noreply.github.com>
Date: Wed, 8 Sep 2021 19:49:12 +0530
Subject: refactor: expose some more methods for session handling on the main
 repo (#1887)

---
 src/webview/recipe.js         |  7 +++++++
 src/webview/sessionHandler.ts | 28 ++++++++++++++++++++++++++++
 2 files changed, 35 insertions(+)
 create mode 100644 src/webview/sessionHandler.ts

diff --git a/src/webview/recipe.js b/src/webview/recipe.js
index b2cc55ad3..a3ae4513f 100644
--- a/src/webview/recipe.js
+++ b/src/webview/recipe.js
@@ -23,6 +23,7 @@ import RecipeWebview from './lib/RecipeWebview';
 import Userscript from './lib/Userscript';
 
 import { BadgeHandler } from './badge';
+import { SessionHandler } from './sessionHandler';
 import contextMenu from './contextMenu';
 import {
   injectDarkModeStyle,
@@ -50,6 +51,8 @@ const debug = require('debug')('Ferdi:Plugin');
 
 const badgeHandler = new BadgeHandler();
 
+const sessionHandler = new SessionHandler();
+
 const notificationsHandler = new NotificationsHandler();
 
 // Patching window.open
@@ -107,6 +110,10 @@ contextBridge.exposeInMainWorld('ferdi', {
     badgeHandler.safeParseInt(text),
   displayNotification: (title, options) =>
     notificationsHandler.displayNotification(title, options),
+  clearStorageData: (storageLocations) =>
+    sessionHandler.clearStorageData(storageLocations),
+  releaseServiceWorkers: () =>
+    sessionHandler.releaseServiceWorkers(),
   getDisplayMediaSelector,
   getCurrentWebContents,
   BrowserWindow,
diff --git a/src/webview/sessionHandler.ts b/src/webview/sessionHandler.ts
new file mode 100644
index 000000000..6a7e62ac5
--- /dev/null
+++ b/src/webview/sessionHandler.ts
@@ -0,0 +1,28 @@
+import { getCurrentWebContents } from '@electron/remote';
+
+const debug = require('debug')('Ferdi:Plugin:SessionHandler');
+
+export class SessionHandler {
+  clearStorageData(storageLocations: string[]) {
+    try {
+      debug('Clearing storageLocations:', storageLocations);
+      const { session } = getCurrentWebContents();
+      session.flushStorageData();
+      session.clearStorageData({ storages: storageLocations });
+    } catch (err) {
+      debug(err);
+    }
+  }
+
+  async releaseServiceWorkers() {
+    try {
+      const registrations = await window.navigator.serviceWorker.getRegistrations();
+      registrations.forEach(r => {
+        r.unregister();
+        debug('ServiceWorker unregistered');
+      });
+    } catch (err) {
+      debug(err);
+    }
+  }
+}
-- 
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