7934afcf0d
- Add comprehensive root README with badges, architecture diagram, and setup guide - Update backend README with security middlewares and endpoint documentation - Update frontend README with design system and page structure - Update seeder-api README with generated data and credentials - Add internal module READMEs (middleware, handlers, components) - Document Clean Architecture layers and request flow - Add environment variables reference table
32 lines
1.1 KiB
Go
32 lines
1.1 KiB
Go
package middleware
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import "net/http"
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// SecurityHeadersMiddleware adds essential security headers to all responses
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// Based on OWASP guidelines
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func SecurityHeadersMiddleware(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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// Prevent clickjacking
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w.Header().Set("X-Frame-Options", "DENY")
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// Prevent MIME sniffing
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w.Header().Set("X-Content-Type-Options", "nosniff")
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// Enable XSS filter
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w.Header().Set("X-XSS-Protection", "1; mode=block")
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// Only send referrer for same-origin
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w.Header().Set("Referrer-Policy", "strict-origin-when-cross-origin")
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// Permissions policy (disable potentially dangerous features)
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w.Header().Set("Permissions-Policy", "geolocation=(), microphone=(), camera=()")
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// Content Security Policy - adjust as needed for your frontend
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w.Header().Set("Content-Security-Policy", "default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data: https:; font-src 'self'")
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// HSTS - uncomment in production with HTTPS
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// w.Header().Set("Strict-Transport-Security", "max-age=31536000; includeSubDomains")
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next.ServeHTTP(w, r)
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})
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}
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