请求变量增加${cname}，WAF checkpoint增加cname和isCNAME

pkg/serverconfigs/firewallconfigs/http_firewall_checkpoint_definition.go

@@ -23,4 +23,5 @@ type HTTPFirewallCheckpointDefinition struct {
 	Options     []OptionInterface `json:"options"`     // 选项
 	IsComposed  bool              `json:"isComposed"`  // 是否为组合的checkpoint
 	Priority    int               `json:"priority"`    // 优先级
+	DataType    string            `json:"dataType"`    // 数据类型：number, bool等
 }

pkg/serverconfigs/firewallconfigs/http_firewall_checkpoints.go

@@ -152,6 +152,21 @@ var AllCheckpoints = []*HTTPFirewallCheckpointDefinition{
 		IsRequest:   true,
 		Priority:    100,
 	},
+	{
+		Name:        "CNAME",
+		Prefix:      "cname",
+		Description: "当前网站服务CNAME，比如38b48e4f.goedge.cn",
+		IsRequest:   true,
+		Priority:    100,
+	},
+	{
+		Name:        "是否为CNAME",
+		Prefix:      "isCNAME",
+		Description: "是否为CNAME，值为1（是）或0（否）",
+		IsRequest:   true,
+		Priority:    100,
+		DataType:    "bool",
+	},
 	{
 		Name:        "请求来源URL",
 		Prefix:      "referer",