package middleware import ( "github.com/gin-gonic/gin" ) func SecurityHeaders() gin.HandlerFunc { return func(c *gin.Context) { c.Header("Content-Security-Policy", "default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data: https:; font-src 'self'; connect-src 'self' https:; frame-ancestors 'none'; base-uri 'self'; form-action 'self'") c.Header("Referrer-Policy", "strict-origin-when-cross-origin") c.Header("Permissions-Policy", "camera=(), microphone=(), geolocation=(), payment=()") c.Header("X-Content-Type-Options", "nosniff") c.Header("X-Frame-Options", "DENY") c.Header("X-XSS-Protection", "0") c.Header("Cross-Origin-Opener-Policy", "same-origin") c.Header("Cross-Origin-Resource-Policy", "same-origin") c.Next() } }