DIAMOND Service Worker Interception: Capturing Persistent Tokens from Offline Cache API

[TheMekanic]

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The Problem: Standard authentication checks rely on intercepting standard local storage, session storage, or cookie payloads. Modern Progressive Web Apps (PWAs) increasingly store long-lived refresh tokens inside offline

Code:

CacheStorage

managed by Service Workers.
The Method: Interact directly with the client-side

Code:

caches

API within the target origin context.

• The Core Logic: Program your automation layer to query active Service Worker registrations and extract cached API responses or authentication tokens stored inside the origin's
  
  Code:

  CacheStorage
  instances, bypassing standard web storage inspection.