init

examples/custom_dns_https_proxy/main.go

@@ -0,0 +1,59 @@
+package main
+
+import (
+	"log"
+	"net/http"
+
+	"github.com/darkit/goproxy"
+	"github.com/darkit/goproxy/pkg/dns"
+)
+
+// CustomDNSHTTPSDelegate 自定义 DNS HTTPS 代理委托
+type CustomDNSHTTPSDelegate struct {
+	goproxy.DefaultDelegate
+	dnsResolver *dns.CustomResolver
+}
+
+// ResolveBackend 解析后端服务器
+func (d *CustomDNSHTTPSDelegate) ResolveBackend(req *http.Request) (string, error) {
+	return d.dnsResolver.Resolve(req.URL.Host)
+}
+
+func main() {
+	// 创建证书缓存
+	certCache := &goproxy.MemCertCache{}
+
+	// 创建自定义 DNS 解析器
+	resolver := dns.NewResolver(dns.WithFallback(true))
+
+	// 添加 DNS 记录
+	resolver.LoadFromMap(map[string]string{
+		"example.com": "http://backend1.example.com",
+		"test.com":    "http://backend2.test.com",
+	})
+
+	// 创建自定义 DNS HTTPS 代理委托
+	delegate := &CustomDNSHTTPSDelegate{
+		dnsResolver: resolver,
+	}
+
+	// 创建代理实例
+	proxy := goproxy.NewProxy(
+		goproxy.WithDelegate(delegate),
+		goproxy.WithDecryptHTTPS(certCache),
+		goproxy.WithCACertAndKey("ca.crt", "ca.key"),
+		goproxy.WithEnableECDSA(true),
+	)
+
+	// 启动代理服务器
+	log.Println("自定义 DNS HTTPS 代理服务器启动在 :8443")
+	log.Println("配置说明:")
+	log.Printf("- 支持 HTTPS 解密\n")
+	log.Printf("- 使用 ECDSA 证书\n")
+	log.Println("DNS 配置:")
+	log.Printf("- example.com -> backend1.example.com\n")
+	log.Printf("- test.com -> backend2.test.com\n")
+	if err := http.ListenAndServeTLS(":8443", "server.crt", "server.key", proxy); err != nil {
+		log.Fatalf("代理服务器启动失败: %v", err)
+	}
+}