chore: CSP Plausible

[johnnyhuy]

User description

• Add Content-Security-Policy 'script-src' directive to app-config.yaml
• Organize Plausible analytics script using Helmet in PlausibleAnalytics.tsx
• Add "react-helmet" as a dependency in plausible/package.json

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PR Type

Enhancement, Dependencies

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Description

• Integrated Helmet to manage the Plausible analytics script in PlausibleAnalytics.tsx.
• Added script-src directive to Content-Security-Policy in app-config.yaml.
• Added react-helmet and @types/react-helmet as dependencies in plausible/package.json.

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Changes walkthrough 📝

	Relevant files
Enhancement	PlausibleAnalytics.tsx Integrate `Helmet` for Plausible analytics script management plugins/plausible/src/components/PlausibleAnalytics.tsx Added Helmet to manage the Plausible analytics script. Wrapped the Plausible analytics script with Helmet for better security. +6/-1      app-config.yaml Add `script-src` directive to Content-Security-Policy        app-config.yaml Added script-src directive to Content-Security-Policy. +1/-0
Dependencies	package.json Add `react-helmet` and its types as dependencies                  plugins/plausible/package.json Added react-helmet as a dependency. Added @types/react-helmet as a development dependency. +2/-0

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PR Review 🔍

⏱️ Estimated effort to review [1-5]	2, because the changes are straightforward and localized to specific files. The integration of Helmet in PlausibleAnalytics.tsx and the addition of CSP directives in app-config.yaml are clear and concise. The addition of dependencies is also straightforward.
🧪 Relevant tests	No
⚡ Possible issues	CSP Directive Overly Permissive: The script-src directive in app-config.yaml includes 'self', http:, and https: which might be too permissive and could potentially allow the execution of unsafe scripts. Consider restricting it to more specific sources.
🔒 Security concerns	No

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PR Code Suggestions ✨

Category	Suggestion	Score
Security	Improve security by sanitizing variables used in script tags Ensure that the dataDomain and source variables are properly initialized and sanitized before use. This is crucial for preventing cross-site scripting (XSS) vulnerabilities, especially since these variables are directly used in the script tag within the Helmet component. plugins/plausible/src/components/PlausibleAnalytics.tsx [18] -<script defer data-domain={dataDomain} src={source} /> +<script defer data-domain={sanitizedDataDomain} src={sanitizedSource} /> Suggestion importance[1-10]: 9 Why: This suggestion addresses a critical security concern by recommending the sanitization of variables used in script tags, which can prevent XSS vulnerabilities. It is highly relevant and important for the security of the application.	9
	Restrict CSP script-src to specific trusted sources for enhanced security Ensure that the CSP script-src directive includes specific trusted sources rather than broad matches like 'http:' and 'https:'. This change enhances the security by limiting the sources from which scripts can be loaded. app-config.yaml [22] -script-src: ["'self'", 'http:', 'https:'] +script-src: ["'self'", 'https://trusted-source.com'] Suggestion importance[1-10]: 7 Why: While this suggestion enhances security by restricting script sources, it may require additional context about trusted sources specific to the application. It is a good practice but may need further customization.	7
Possible bug	Add checks for variable existence to prevent runtime errors Consider checking for the existence of dataDomain and source before rendering the Helmet component. This can prevent runtime errors and ensure that the script only loads when all necessary data is available. plugins/plausible/src/components/PlausibleAnalytics.tsx [17-19] -<Helmet> - <script defer data-domain={dataDomain} src={source} /> -</Helmet> +{dataDomain && source && ( + <Helmet> + <script defer data-domain={dataDomain} src={source} /> + </Helmet> +)} Suggestion importance[1-10]: 8 Why: This suggestion improves the robustness of the code by ensuring that the Helmet component is only rendered when necessary data is available, thus preventing potential runtime errors.	8
Enhancement	Implement error handling around the Helmet component to improve robustness Wrap the Helmet component with error handling logic to gracefully manage any potential errors that might occur during the script loading or execution. This could be done using error boundaries or similar error handling strategies. plugins/plausible/src/components/PlausibleAnalytics.tsx [17-19] -<Helmet> - <script defer data-domain={dataDomain} src={source} /> -</Helmet> +<ErrorBoundary> + <Helmet> + <script defer data-domain={dataDomain} src={source} /> + </Helmet> +</ErrorBoundary> Suggestion importance[1-10]: 6 Why: Adding error handling around the Helmet component can improve the robustness of the application. However, it is a general enhancement and not as critical as security or preventing runtime errors.	6