Daniel Legt
3a0dd04e61
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Implement a rich file preview interface to allow users to view file contents directly in the browser. Changes include: - Exposing raw file size (`SizeBytes`) in the download handler's file view. - Adding comprehensive CSS styling for the preview layout and cards. - Integrating Prism.js for syntax highlighting of code files. - Updating Content Security Policy (CSP) headers to permit inline styles and frame sources required by the preview components. - Adding unit tests to ensure preview metadata attributes are correctly rendered on the download page.
17 lines
705 B
Go
17 lines
705 B
Go
package middleware
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import "net/http"
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func SecurityHeaders(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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header := w.Header()
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header.Set("X-Content-Type-Options", "nosniff")
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header.Set("X-Frame-Options", "DENY")
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header.Set("Referrer-Policy", "strict-origin-when-cross-origin")
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header.Set("Permissions-Policy", "camera=(), microphone=(), geolocation=()")
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header.Set("Content-Security-Policy", "default-src 'self'; img-src 'self' data: blob:; media-src 'self' blob:; font-src 'self'; style-src 'self' 'unsafe-inline'; script-src 'self'; frame-src 'self' about:; base-uri 'self'; frame-ancestors 'none'")
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next.ServeHTTP(w, r)
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})
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}
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