实现WAF

internal/waf/checkpoints/request_remote_port.go

@@ -0,0 +1,28 @@
+package checkpoints
+
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/waf/requests"
+	"github.com/iwind/TeaGo/types"
+	"net"
+)
+
+type RequestRemotePortCheckpoint struct {
+	Checkpoint
+}
+
+func (this *RequestRemotePortCheckpoint) RequestValue(req *requests.Request, param string, options map[string]interface{}) (value interface{}, sysErr error, userErr error) {
+	_, port, err := net.SplitHostPort(req.RemoteAddr)
+	if err == nil {
+		value = types.Int(port)
+	} else {
+		value = 0
+	}
+	return
+}
+
+func (this *RequestRemotePortCheckpoint) ResponseValue(req *requests.Request, resp *requests.Response, param string, options map[string]interface{}) (value interface{}, sysErr error, userErr error) {
+	if this.IsRequest() {
+		return this.RequestValue(req, param, options)
+	}
+	return
+}