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package common
import (
"fmt"
"math/rand"
"net"
"time"
)
// 使用真实有效的美国ip
// https://lite.ip2location.com/united-states-of-america-ip-address-ranges
// https://cdn-lite.ip2location.com/datasets/US.json?_=1683336720620
//
// async function getIpRange() {
// const results = await fetch(`https://cdn-lite.ip2location.com/datasets/US.json?_=${Date.now()}`)
// .then((res) => res.json())
// .then((res) => {
// const limitCount = 10000;
// return res.data.filter((x) => parseInt(x[2].replace(/,/g,'')) >= limitCount).map((x) => `{"${x[0]}", "${x[1]}"}, //${x[2]}`);
// });
// console.log(`results : `,results);
// return results.join('\n');
// }
//
// copy(await getIpRange());
var IP_RANGE = [][]string{
{"4.150.64.0", "4.150.127.255"}, // Azure Cloud EastUS2 16382
{"4.152.0.0", "4.153.255.255"}, // Azure Cloud EastUS2 131070
{"13.68.0.0", "13.68.127.255"}, // Azure Cloud EastUS2 32766
{"13.104.216.0", "13.104.216.255"}, // Azure EastUS2 256
{"20.1.128.0", "20.1.255.255"}, // Azure Cloud EastUS2 32766
{"20.7.0.0", "20.7.255.255"}, // Azure Cloud EastUS2 65534
{"20.22.0.0", "20.22.255.255"}, // Azure Cloud EastUS2 65534
{"40.84.0.0", "40.84.127.255"}, // Azure Cloud EastUS2 32766
{"40.123.0.0", "40.123.127.255"}, // Azure Cloud EastUS2 32766
{"4.214.0.0", "4.215.255.255"}, // Azure Cloud JapanEast 131070
{"4.241.0.0", "4.241.255.255"}, // Azure Cloud JapanEast 65534
{"40.115.128.0", "40.115.255.255"}, // Azure Cloud JapanEast 32766
{"52.140.192.0", "52.140.255.255"}, // Azure Cloud JapanEast 16382
{"104.41.160.0", "104.41.191.255"}, // Azure Cloud JapanEast 8190
{"138.91.0.0", "138.91.15.255"}, // Azure Cloud JapanEast 4094
{"151.206.65.0", "151.206.79.255"}, // Azure Cloud JapanEast 256
{"191.237.240.0", "191.237.241.255"}, // Azure Cloud JapanEast 512
{"4.208.0.0", "4.209.255.255"}, // Azure Cloud NorthEurope 131070
{"52.169.0.0", "52.169.255.255"}, // Azure Cloud NorthEurope 65534
{"68.219.0.0", "68.219.127.255"}, // Azure Cloud NorthEurope 32766
{"65.52.64.0", "65.52.79.255"}, // Azure Cloud NorthEurope 4094
{"98.71.0.0", "98.71.127.255"}, // Azure Cloud NorthEurope 32766
{"74.234.0.0", "74.234.127.255"}, // Azure Cloud NorthEurope 32766
{"4.151.0.0", "4.151.255.255"}, // Azure Cloud SouthCentralUS 65534
{"13.84.0.0", "13.85.255.255"}, // Azure Cloud SouthCentralUS 131070
{"4.255.128.0", "4.255.255.255"}, // Azure Cloud WestCentralUS 32766
{"13.78.128.0", "13.78.255.255"}, // Azure Cloud WestCentralUS 32766
{"4.175.0.0", "4.175.255.255"}, // Azure Cloud WestEurope 65534
{"13.80.0.0", "13.81.255.255"}, // Azure Cloud WestEurope 131070
{"20.73.0.0", "20.73.255.255"}, // Azure Cloud WestEurope 65534
}
// 获取真实有效的随机IP
func GetRandomIP() string {
seed := time.Now().UnixNano()
rng := rand.New(rand.NewSource(seed))
// 生成随机索引
randomIndex := rng.Intn(len(IP_RANGE))
// 获取随机 IP 地址范围
startIP := IP_RANGE[randomIndex][0]
endIP := IP_RANGE[randomIndex][1]
// 将起始 IP 地址转换为整数形式
startIPInt := ipToUint32(net.ParseIP(startIP))
// 将结束 IP 地址转换为整数形式
endIPInt := ipToUint32(net.ParseIP(endIP))
// 生成随机 IP 地址
randomIPInt := rng.Uint32()%(endIPInt-startIPInt+1) + startIPInt
randomIP := uint32ToIP(randomIPInt)
return randomIP
}
// 将 IP 地址转换为 uint32
func ipToUint32(ip net.IP) uint32 {
ip = ip.To4()
var result uint32
result += uint32(ip[0]) << 24
result += uint32(ip[1]) << 16
result += uint32(ip[2]) << 8
result += uint32(ip[3])
return result
}
// 将 uint32 转换为 IP 地址
func uint32ToIP(intIP uint32) string {
ip := fmt.Sprintf("%d.%d.%d.%d", byte(intIP>>24), byte(intIP>>16), byte(intIP>>8), byte(intIP))
return ip
}
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