支持使用域名中含有通配符清除缓存数据

internal/caches/utils.go

@@ -0,0 +1,30 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package caches
+
+import (
+	"github.com/TeaOSLab/EdgeCommon/pkg/configutils"
+	"net"
+	"strings"
+)
+
+func ParseHost(key string) string {
+	var schemeIndex = strings.Index(key, "://")
+	if schemeIndex <= 0 {
+		return ""
+	}
+
+	var firstSlashIndex = strings.Index(key[schemeIndex+3:], "/")
+	if firstSlashIndex <= 0 {
+		return ""
+	}
+
+	var host = key[schemeIndex+3 : schemeIndex+3+firstSlashIndex]
+
+	hostPart, _, err := net.SplitHostPort(host)
+	if err == nil && len(hostPart) > 0 {
+		host = configutils.QuoteIP(hostPart)
+	}
+
+	return host
+}