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2026-09-12 01:11:05 +08:00
commit 0c2b0d2d6a
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package middleware
import (
"github.com/gin-gonic/gin"
)
// SecurityHeaders 安全响应头中间件
// 为所有响应添加安全头,降低 XSS、点击劫持、MIME 嗅探等风险
func SecurityHeaders() gin.HandlerFunc {
return func(c *gin.Context) {
// CSP:限制资源加载来源,降低 XSS 危害
c.Header("Content-Security-Policy",
"default-src 'self'; "+
"script-src 'self' 'unsafe-inline'; "+
"style-src 'self' 'unsafe-inline'; "+
"img-src 'self' data: https:; "+
"font-src 'self' data:; "+
"connect-src 'self'; "+
"frame-ancestors 'none'; "+
"base-uri 'self'; "+
"form-action 'self'")
// HSTS:强制 HTTPS(生产环境生效,dev 模式浏览器会忽略)
c.Header("Strict-Transport-Security", "max-age=31536000; includeSubDomains; preload")
// 点击劫持防护
c.Header("X-Frame-Options", "DENY")
// MIME 嗅探防护
c.Header("X-Content-Type-Options", "nosniff")
// 控制 Referer 信息泄露
c.Header("Referrer-Policy", "strict-origin-when-cross-origin")
// XSS 防护(旧浏览器兼容,现代浏览器靠 CSP)
c.Header("X-XSS-Protection", "1; mode=block")
// 禁止浏览器缓存敏感页面(可按需覆盖)
// c.Header("Cache-Control", "no-store, no-cache, must-revalidate, max-age=0")
c.Next()
}
}