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Removed the hardcoded PostHog API key from the frontend application and replaced it with an environment variable. Changes: - Modified `web/src/App.tsx` to use `import.meta.env.PUBLIC_POSTHOG_KEY`. - Created `web/.env.example` to document the required environment variable. - Added `web/src/env.d.ts` for TypeScript type safety of environment variables. Co-authored-by: jbhannah <179194+jbhannah@users.noreply.github.com>
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Pull request overview
This PR removes a hardcoded PostHog project key from the Preact web frontend and replaces it with an environment-variable-based configuration to avoid committing keys to source control.
Changes:
- Replaced the hardcoded PostHog key in
App.tsxwithimport.meta.env.PUBLIC_POSTHOG_KEY. - Added a TypeScript env declaration file to type the expected environment variable.
- Added
web/.env.exampleto document the required configuration.
Reviewed changes
Copilot reviewed 2 out of 3 changed files in this pull request and generated 3 comments.
| File | Description |
|---|---|
| web/src/App.tsx | Switches PostHog initialization to use an env-provided key instead of a committed literal. |
| web/src/env.d.ts | Introduces TypeScript typings for import.meta.env.PUBLIC_POSTHOG_KEY. |
| web/.env.example | Documents the required env var for local/dev/prod configuration. |
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| const POSTHOG_KEY = import.meta.env.PUBLIC_POSTHOG_KEY; | ||
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| const App = () => ( | ||
| <PostHogProvider apiKey={REACT_APP_PUBLIC_POSTHOG_KEY} options={options}> | ||
| <PostHogProvider apiKey={POSTHOG_KEY} options={options}> | ||
| <div class="min-h-screen w-full flex flex-col"> |
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| const REACT_APP_PUBLIC_POSTHOG_KEY = | ||
| "phc_6rKhMfbzpccKI3EcDXbng8EuP7h2FC2rQga9nRBV8G"; | ||
| const POSTHOG_KEY = import.meta.env.PUBLIC_POSTHOG_KEY; |
| @@ -0,0 +1 @@ | |||
| PUBLIC_POSTHOG_KEY= | |||
🎯 What: The vulnerability fixed
Hardcoded PostHog API key in
web/src/App.tsx.Exposure of API keys in source control can lead to unauthorized use of the analytics account, data manipulation, or exhaustion of usage quotas.
🛡️ Solution: How the fix addresses the vulnerability
The hardcoded key was replaced with a reference to an environment variable (
import.meta.env.PUBLIC_POSTHOG_KEY). A template.env.examplefile was added to document the requirement, and TypeScript definitions were added to ensure type safety.PR created automatically by Jules for task 14109616286549088816 started by @jbhannah