17 lines
666 B
Go
17 lines
666 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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w.Header().Set("X-Content-Type-Options", "nosniff")
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w.Header().Set("X-Frame-Options", "DENY")
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w.Header().Set("X-XSS-Protection", "1; mode=block")
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w.Header().Set("Referrer-Policy", "strict-origin-when-cross-origin")
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// Content-Security-Policy can be very strict, maybe good to start lenient or specific.
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// For an API, it's less critical than a frontend serving HTML, but good practice.
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// w.Header().Set("Content-Security-Policy", "default-src 'self'")
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next.ServeHTTP(w, r)
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})
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}
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