feat: Implement offline cache for sw, and autoupdating #431
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WalkthroughThe pull request updates the Nuxt configuration file to enhance Progressive Web App (PWA) settings. The changes focus on improving service worker and caching strategies, specifically configuring automatic cache cleanup, defining runtime caching for API requests, and setting up automatic service worker updates. These modifications aim to optimize the application's offline capabilities and network request handling. Changes
Security Recommendations🛡️ Security Best Practices for PWA Configuration:
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Actionable comments posted: 1
🧹 Nitpick comments (1)
frontend/nuxt.config.ts (1)
Line range hint
42-48: Auto-update is beneficial, but ensure robust versioningWhile
autoUpdateensures users receive new versions promptly, confirm that versioned assets are properly tagged so older service workers don’t serve stale assets. Also, consider logging or notifying users of updates to avoid unexpected behavior.
🛑 Comments failed to post (1)
frontend/nuxt.config.ts (1)
29-40:
⚠️ Potential issueSecurity and staleness concern with offline API caching
Caching API responses for 24 hours could expose sensitive or stale data, especially if these API endpoints serve personalized or confidential information. Consider restricting the caching of endpoints that may contain user-specific or sensitive data. Also, inform users when data might be outdated to avoid confusion.
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Actionable comments posted: 0
🧹 Nitpick comments (1)
frontend/nuxt.config.ts (1)
42-42: Proactive update strategy is great; consider user notifications.
registerType: "autoUpdate"seamlessly updates the service worker, but notifying users before reloading can prevent losing in-progress work.
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frontend/nuxt.config.ts(1 hunks)
🔇 Additional comments (2)
frontend/nuxt.config.ts (2)
28-28: Good practice enabling cleanup of outdated caches.Setting
cleanupOutdatedCaches: truehelps prevent storage bloat and stale data from accumulating.
29-40: Review caching strategy and verify security implications.Implementing
NetworkFirstfor/apiendpoints helps offline availability, but it may inadvertently cache sensitive data. Please confirm that no PII or confidential data is included in these API responses, or restrict caching to known-safe routes. Also, consider the user’s awareness of potentially stale data when offline for up to 24 hours.Security recommendations:
- Ensure sensitive endpoints are excluded from caching.
- Validate the content of
/apiresponses before caching.- Consider implementing an offline indicator or alert for users.
What type of PR is this?
What this PR does / why we need it:
Fixes some minor issues with the service worker, and also allows caching for get requests to the API (for 24 hours), this in theory means that someone could view assets entirely offline for a day.
Which issue(s) this PR fixes:
None
Special notes for your reviewer:
Not entirely sure if the caching is a feature we want to actually keep, I added it in because it was easy and seems like a cool idea. But there maybe be some minor security concerns + there currently isn't an offline check to tell the user they're offline (that I'm aware of).
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