WAF增加“请求报头最大长度”参数

internal/waf/checkpoints/request_header_max_length.go

@@ -0,0 +1,37 @@
+package checkpoints
+
+import (
+	"github.com/TeaOSLab/EdgeNode/internal/waf/requests"
+	"github.com/TeaOSLab/EdgeNode/internal/waf/utils"
+	"github.com/iwind/TeaGo/maps"
+)
+
+type RequestHeaderMaxLengthCheckpoint struct {
+	Checkpoint
+}
+
+func (this *RequestHeaderMaxLengthCheckpoint) RequestValue(req requests.Request, param string, options maps.Map, ruleId int64) (value any, hasRequestBody bool, sysErr error, userErr error) {
+	var maxLen int
+	for _, v := range req.WAFRaw().Header {
+		for _, subV := range v {
+			var l = len(subV)
+			if l > maxLen {
+				maxLen = l
+			}
+		}
+	}
+	value = maxLen
+
+	return
+}
+
+func (this *RequestHeaderMaxLengthCheckpoint) ResponseValue(req requests.Request, resp *requests.Response, param string, options maps.Map, ruleId int64) (value any, hasRequestBody bool, sysErr error, userErr error) {
+	if this.IsRequest() {
+		return this.RequestValue(req, param, options, ruleId)
+	}
+	return
+}
+
+func (this *RequestHeaderMaxLengthCheckpoint) CacheLife() utils.CacheLife {
+	return utils.CacheShortLife
+}