内网IP
来源：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<div id="local-ip"></div>
</body>
<script>
window.RTCPeerConnection = window.RTCPeerConnection || window.mozRTCPeerConnection || window.webkitRTCPeerConnection;
var pc = new RTCPeerConnection({iceServers:[]}), s = () => ['192.168.2.1'];
pc.createDataChannel('');
pc.createOffer(pc.setLocalDescription.bind(pc), s);
pc.onicecandidate = function(ice) {
if (!ice || !ice.candidate || !ice.candidate.candidate || !ice.candidate.candidate.match(/typ host/g)) return;
document.getElementById('local-ip').innerHTML = (ice.candidate.candidate.match(/([0-9]{1,3}\.){3}[0-9]{1,3}/g))[0];
pc.onicecandidate = () => {};
};
</script>
</html>
公网IP 来源：webrtc-ip
处理
可以通过修改 chrome 浏览器的配置更改此行为：
1、在chrome 浏览器地址栏中输入：chrome://flags/
2、搜索 #enable-webrtc-hide-local-ips-with-mdns 该配置 并将属性改为 disabled
<script>
/*
* This file is the entire script combined in working order.
* Copyright 2021 © Joey Malvinni
* License: MIT
*/
// [---------------------------------------------------------------------------]
// File: ip_validator.js
/*
* This module validates the two types of IP addresses.
* Copyright 2021 © Joey Malvinni
* License: MIT
*/
// The function that checks if the given IPv4 address is valid.
function is_ipv4(ip){
return regex_v4.test(ip);
};
// Checks if the IPv6 address is valid.
function is_ipv6(ip){
return regex_v6.test(ip);
};
// Simple IP regex that works on both IPv6 and IPv4
var simpleIPRegex = /([0-9]{1,3}(\.[0-9]{1,3}){3}|[a-f0-9]{1,4}(:[a-f0-9]{1,4}){7})/g;
// IPv4 regex used to determine whether an IP is IPv4 or not.
let regex_v4 = /((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])/;
// The IPv6 regex used when determining an IPv6 address.
let regex_v6 = /((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))/;
// Exporting the two regexes in an array to be used in the main detector.
let ip_regex_array = [regex_v6, regex_v4]
// [---------------------------------------------------------------------------]
// File: peer_conn.js
/*
* This module provides the main WebRTC functions that return IP addresses from the STUN request.
* Copyright 2021 © Joey Malvinni
* License: MIT
*/
function peer(callback){
// Creating the peer connection.
var WebRTCPeerConnection = window.RTCPeerConnection || window.mozRTCPeerConnection || window.webkitRTCPeerConnection;
// Initializing the connection.
var createdConnection;
// Main start function.
function start(){
// Creating the actual connection.
createConnection()
// Log the STUN request.
createStunRequest()
};
// Stop function to reset the connection.
function stop(){
// Checking if the connection has been created or not.
if (createdConnection) {
// Attempt to close it, if RTCPeerConnection.close() is not supported, remove the event listeners.
try {
createdConnection.close();
} finally {
createdConnection.onicecandidate = () => {};
createdConnection = null;
};
};
};
// Function that makes the connection request to Google's STUN server
function createConnection(){
let iceServers = [{
urls: 'stun:stun.l.google.com:19302'
}];
// Creating the connection with the STUN server.
createdConnection = new WebRTCPeerConnection({ iceServers });
// Handling the ICE candidate event.
createdConnection.onicecandidate = (data) => handleCandidates(data);
// Creation of the fake data channel.
createdConnection.createDataChannel('fake_data_channel');
};
// Function that creates the STUN request offer needed to get the IPs.
function createStunRequest(){
// Create the offer that exposes the IP addresses.
return createdConnection.createOffer().then(sdp => createdConnection.setLocalDescription(sdp));
};
// Handling the onIceCandidate event.
function handleCandidates(ice){
// Checking if the ICE candidate lines given are valid.
if (ice && ice.candidate && ice.candidate.candidate) {
// Returning the IPs to the main function.
callback(ice && ice.candidate && ice.candidate.candidate);
};
};
// Returning the main functions needed.
return {
start,
stop,
createConnection,
createStunRequest,
handleCandidates
};
};
// [---------------------------------------------------------------------------]
// File: public_ip.js
/*
* This module provides the worker functions that return the public IP addresses.
* Copyright 2021 © Joey Malvinni
* License: MIT
*/
function publicIPs(timer){
// Timing validation.
if(timer) if(timer < 100) throw new Error('Custom timeout cannot be under 100 milliseconds.');
// IPs is the final array of all valid IPs found.
var IPs = [];
// Creating the peer connection request while handling the callback event.
var peerConn = peer(handleIceCandidates);
function getIps(){
// Returning a promise.
return new Promise(function(resolve, reject) {
// Starting the peer connection.
peerConn.start();
// Setting the timer.
setTimeout(() => {
// Checking if the IP array exists.
if(!IPs || IPs === []){
// Rejecting the error
reject('No IP addresses were found.')
} else {
// Return the unique IP addresses in an array.
resolve(unique(IPs.flat(Infinity)))
};
// reset the peer connection.
reset();
// Set the Timeout to the custom timer, default to 500 milliseconds.
}, timer || 500);
});
};
function handleIceCandidates(ip){
var array = [];
// Looping over the two regexs for IPv6 and IPv4
for(let regex of ip_regex_array){
let arr = [];
// Lutting all of the strings that match either IP format in an array
let possible_ips_array = regex.exec(ip)
if(possible_ips_array){
// Looping over that array
for(let i = 0; i < possible_ips_array.length; i++){
// Checking if the "IP" is valid
if(is_ipv4(possible_ips_array[i]) || is_ipv6(possible_ips_array[i])){
arr.push(possible_ips_array[i])
};
};
array.push(arr);
};
};
// Final function that does more checks to determine the array's validity,
// Also flattens the array to remove extraneous sub-arrays.
push(array.flat(Infinity))
};
function push(ip){
// Checks if the IP addresses givin are already in the array.
if(!IPs.includes(ip)){
IPs.push(unique(ip.flat(Infinity)));
};
};
function reset(){
// Stops the peer connection to the STUN server.
peerConn.stop()
};
// Use this to only return unique IP addresses.
function unique(a) {
return Array.from(new Set(a));
};
return getIps();
};
// [---------------------------------------------------------------------------]
// File: index.js
/*
* This module combines all of the worker modules into the main functions that get exported.
* Copyright 2021 © Joey Malvinni
* License: MIT
*/
// Categorizes the IPs by IP, type, and IPv4.
function getIPTypes(timer){
// Returning the result as a promise.
return new Promise(function(resolve, reject) {
// Final array
let finalIpArray = []
// Getting the raw IPs in an array.
publicIPs(timer).then((ips)=>{
// Looping over each IP.
ips.forEach(ip => {
console.log('getLocalIP',data);
console.log("ip",ip);
if (ip.match(/^(192\.168\.|169\.254\.|10\.|172\.(1[6-9]|2\d|3[01]))/)) {
// The IP is private.
finalIpArray.push({ ip: ip, type: 'private', IPv4: true })
} else if (ip.match(/((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))/)) {
// The IP is an IPv6 address.
finalIpArray.push({ ip: ip, type: 'IPv6', IPv4: false })
} else {
// Assume the IP is public.
finalIpArray.push({ ip: ip, type: 'public', IPv4: true })
}
})
// Resolving the promise.
resolve(finalIpArray)
}).catch(reject)
})
}
// Filters out IPv4 addresses.
function getIPv4(timer) {
return getIPTypes(timer).then(ips => {
// Filters the IP by IPv4.
const ip = ips.filter(ip => ip.IPv4);
// Loops over each object and extracts the IP.
for(let i = 0; i < ip.length; i++){
ip[i] = ip[i].ip
}
// Returns undefined if the array is empty.
return ip ? ip : '';
});
}
// Filters out IPv6 addresses.
function getIPv6(timer) {
// Getting the IPs by type.
return getIPTypes(timer).then(ips => {
// Filtering the IPs by IPv6.
const ip = ips.filter(ip => ip.type === 'IPv6');
// Extracting the IPs
for(let i = 0; i < ip.length; i++){
// Removing all other data from the object.
ip[i] = ip[i].ip
}
// Returning the IP or undefined.
return ip ? ip.ip : '';
});
}
// Returns all of the functions in an object, default to getting all of the IPs without any filtering applied.
function getIPs(timer){
return Object.assign(
publicIPs(timer), {
types: getIPTypes,
public: publicIPs,
IPv4: getIPv4,
IPv6: getIPv6,
}
)
};
// 可以通过修改 chrome 浏览器的配置更改此行为：
// 1、在chrome 浏览器地址栏中输入：chrome://flags/
// 2、搜索 #enable-webrtc-hide-local-ips-with-mdns 该配置 并将属性改为 disabled
getIPs().then(data => {
console.log('getIPs',data.join('\n'));
});
</script>
