wehub-resource-sync
114 lines
2.4 KiB
Go
114 lines
2.4 KiB
Go
// Copyright 2025 The Casdoor Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package util
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import (
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"fmt"
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"net"
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"net/http"
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"os"
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"strings"
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"time"
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)
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func GetHostname() string {
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name, err := os.Hostname()
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if err != nil {
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panic(err)
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}
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return name
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}
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func IsInternetIp(ip string) bool {
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ipStr, _, err := net.SplitHostPort(ip)
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if err != nil {
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ipStr = ip
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}
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parsedIP := net.ParseIP(ipStr)
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if parsedIP == nil {
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return false
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}
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return !parsedIP.IsPrivate() && !parsedIP.IsLoopback() && !parsedIP.IsMulticast() && !parsedIP.IsUnspecified()
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}
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func IsHostIntranet(ip string) bool {
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ipStr, _, err := net.SplitHostPort(ip)
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if err != nil {
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ipStr = ip
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}
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parsedIP := net.ParseIP(ipStr)
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if parsedIP == nil {
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return false
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}
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return parsedIP.IsPrivate() || parsedIP.IsLoopback() || parsedIP.IsLinkLocalUnicast() || parsedIP.IsLinkLocalMulticast()
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}
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func ResolveDomainToIp(domain string) string {
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ips, err := net.LookupIP(domain)
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if err != nil {
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if strings.Contains(err.Error(), "no such host") {
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return "(empty)"
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}
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fmt.Printf("resolveDomainToIp() error: %s\n", err.Error())
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return err.Error()
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}
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for _, ip := range ips {
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if ipv4 := ip.To4(); ipv4 != nil {
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return ipv4.String()
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}
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}
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return "(empty)"
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}
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func PingUrl(url string) (bool, string) {
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client := http.Client{
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Timeout: 5 * time.Second,
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}
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resp, err := client.Get(url)
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if err != nil {
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return false, err.Error()
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}
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defer resp.Body.Close()
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if resp.StatusCode >= 200 && resp.StatusCode <= 299 {
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return true, ""
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}
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return false, fmt.Sprintf("Status: %s", resp.Status)
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}
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func IsIntranetIp(ip string) bool {
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ipStr, _, err := net.SplitHostPort(ip)
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if err != nil {
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ipStr = ip
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}
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parsedIP := net.ParseIP(ipStr)
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if parsedIP == nil {
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return false
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}
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return parsedIP.IsPrivate() ||
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parsedIP.IsLoopback() ||
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parsedIP.IsLinkLocalUnicast() ||
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parsedIP.IsLinkLocalMulticast()
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}
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