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function getOSInfo() {
const userAgent = navigator.userAgent;
if (/windows phone/i.test(userAgent)) {
return 'Windows Phone';
}
if (/win/i.test(userAgent)) {
return 'Windows';
}
if (/mac/i.test(userAgent)) {
return 'Mac';
}
if (/x11/i.test(userAgent)) {
return 'UNIX';
}
if (/android/i.test(userAgent)) {
return 'Android';
}
if (/iphone|ipad|ipod/i.test(userAgent)) {
return 'iOS';
}
return 'Unknown';
}
function bin2hex(s) {
s = encodeURI(s); // 只会有0-127的ascii不转化
let m = s.match(/%[\dA-F]{2}/g), a = s.split(/%[\dA-F]{2}/), i, j, n, t;
m.push("");
for (i in a) {
if (a[i] === "") { a[i] = m[i]; continue; }
n = "";
for (j in a[i]) {
t = a[i][j].charCodeAt().toString(16).toUpperCase();
if (t.length === 1) t = "0" + t;
n += "%" + t;
}
a[i] = n + m[i];
}
return a.join("").split("%").join("");
}
function getBrowserFingerprint() {
const canvas = document.createElement('canvas');
const ctx = canvas.getContext('2d'); // 移除类型声明
const txt = window.location.hostname;
ctx.textBaseline = 'top';
ctx.font = '14px \'Arial\'';
ctx.textBaseline = 'alphabetic';
ctx.fillStyle = '#f60';
ctx.fillRect(125, 1, 62, 20);
ctx.fillStyle = '#069';
ctx.fillText(txt, 2, 15);
ctx.fillStyle = 'rgba(102, 204, 0, 0.7)';
ctx.fillText(txt, 4, 17);
const b64 = canvas.toDataURL().replace("data:image/png;base64,", "");
const bin = window.atob(b64);
const hash = bin2hex(bin.slice(-16, -12));
const fingerprint = [
navigator.platform,
navigator.product,
navigator.productSub,
navigator.appName,
navigator.appVersion,
navigator.javaEnabled(),
navigator.userAgent,
screen.width,
screen.height,
new Date().getTimezoneOffset(),
hash,
screen.colorDepth,
navigator.language,
navigator.hardwareConcurrency,
getOSInfo(),
navigator.maxTouchPoints,
navigator.doNotTrack,
navigator.cookieEnabled
].join('|');
return fingerprint;
}
function djb2Hash(str) {
let hash = 5381;
for (let i = 0; i < str.length; i++) {
const char = str.charCodeAt(i);
hash = ((hash << 5) + hash) + char; /* hash * 33 + c */
}
return hash.toString(36); // Convert to base 36 for shorter string
}
function GetClientId() {
let uuid = localStorage.getItem("ClientID");
if (!uuid) {
const fingerprint = getBrowserFingerprint();
uuid = djb2Hash(fingerprint).slice(0, 36);
localStorage.setItem("ClientID", uuid);
}
return uuid;
}