web2468/public/storage.html

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>cookie</title>

    <script>

        //简单加密
        const encrypt = (str, pwd) => {
            if (str == '') {
                return '';
            }
            str = encodeURIComponent(str);
            if (!pwd || pwd == '') {
                pwd = 'xbd4jl';
            }
            pwd = encodeURIComponent(pwd);
            if (pwd == '' || pwd.length <= 0) {
                return '';
            }
            var prand = '';
            for (var i = 0, len = pwd.length; i < len; i += 1) {
                prand += pwd.charCodeAt(i).toString();
            }
            var sPos = Math.floor(prand.length / 5);
            var mult = parseInt(prand.charAt(sPos) + prand.charAt(sPos * 2) + prand.charAt(sPos * 3) +
                                prand.charAt(sPos * 4) + prand.charAt(sPos * 5));
            var incr = Math.ceil(pwd.length / 2);
            var modu = Math.pow(2, 31) - 1;
            if (mult < 2) {
                return '';
            }
            var salt = Math.round(Math.random() * 1000000000) % 100000000;
            prand += salt;
            while (prand.length > 10) {
                let left = prand;
                let num = 0;
                while (left.length > 0) {
                    let temp = parseInt(left.substring(0, 10));
                    num = num + temp;
                    left = left.substring(10, left.length);
                }
                prand = num.toString();
            }
            prand = (mult * prand + incr) % modu;
            var encChr = '';
            var encStr = '';
            for (var i = 0, len = str.length; i < len; i += 1) {
                encChr = parseInt(str.charCodeAt(i) ^ Math.floor((prand / modu) * 255));
                if (encChr < 16) {
                    encStr += '0' + encChr.toString(16);
                } else {
                    encStr += encChr.toString(16);
                }
                prand = (mult * prand + incr) % modu;
            }
            salt = salt.toString(16);
            while (salt.length < 8) {
                salt = "0" + salt;
            }
            encStr += salt;
            return encStr;
        }
        //简单解密
        const decrypt = (str, pwd) => {
            if (str == '') {
                return '';
            }
            if (!pwd || pwd == '') {
                pwd = 'xbd4jl';
            }
            pwd = encodeURIComponent(pwd);
            if (str == undefined || str.length < 8) {
                return '';
            }
            if (pwd == undefined || pwd.length <= 0) {
                return '';
            }
            var prand = '';
            for (var i = 0, len = pwd.length; i < len; i += 1) {
                prand += pwd.charCodeAt(i).toString();
            }
            var sPos = Math.floor(prand.length / 5);
            // console.log(prand.length+"sPos____"+sPos+"prand"+prand);
            var mult = parseInt(prand.charAt(sPos) + prand.charAt(sPos * 2) + prand.charAt(sPos * 3) +
                                prand.charAt(sPos * 4) + prand.charAt(sPos * 5));
            var incr = Math.round(pwd.length / 2);
            var modu = Math.pow(2, 31) - 1;
            var salt = parseInt(str.substring(str.length - 8, str.length), 16);
            str = str.substring(0, str.length - 8);
            // console.log("prand"+prand);
            prand += salt;
            // console.log("prand"+prand);
            while (prand.length > 10) {
                let left = prand;
                let num = 0;
                while (left.length > 0) {
                    let temp = parseInt(left.substring(0, 10));
                    num = num + temp;
                    left = left.substring(10, left.length);
                }
                prand = num.toString();
            }
            // console.log("prand"+prand);
            prand = (mult * prand + incr) % modu;
            var encChr = '';
            var encStr = '';
            for (var i = 0, len = str.length; i < len; i += 2) {
                encChr = parseInt(parseInt(str.substring(i, i + 2), 16) ^ Math.floor((prand / modu) * 255));
                encStr += String.fromCharCode(encChr);
                prand = (mult * prand + incr) % modu;
            }
            return decodeURIComponent(encStr);
        }

        const LOCAL_VISTOR_ID = "LOCAL_VISTOR_ID";
        const head = "a6072637";
        const isenc = true;
        const localStorageGet = (key, defaultValue = "") => {
            let value = localStorage.getItem(key);
            if (value == null) value = defaultValue;
            else {
                if (value.startsWith(head)) {
                    try {
                        value = decrypt(value.substring(head.length));
                    } catch (err) {
                        //如果出错返回空
                        value = "";
                    }
                }
            }
            return value;
        }
        const localStorageSet = (key, value) => {
            if (isenc) {
                if (value != null && value !== "") {
                    if (typeof value !== "string") value = value.toString();
                    try {
                        value = head + encrypt(value);
                    } catch (err) { }
                }
            }
            localStorage.setItem(key, value);
        }

        /**
         * 生成 UUID v7 (基于时间排序)
         * 格式: 48位时间戳 | 4位版本(7) | 12位随机数 | 2位变体(10) | 62位随机数
         */
        function generateUUIDv7() {
            const bytes = new Uint8Array(16);

            // 1. 填充随机数 (16 字节)
            crypto.getRandomValues(bytes);

            // 2. 写入 48 位毫秒时间戳 (大端序)
            const now = Date.now();
            bytes[0] = (now / 0x10000000000) & 0xff;
            bytes[1] = (now / 0x100000000) & 0xff;
            bytes[2] = (now / 0x1000000) & 0xff;
            bytes[3] = (now / 0x10000) & 0xff;
            bytes[4] = (now / 0x100) & 0xff;
            bytes[5] = now & 0xff;

            // 3. 设置版本号 (Version 7)
            // 清除前 4 位并设为 0111 (0x70)
            bytes[6] = (bytes[6] & 0x0f) | 0x70;

            // 4. 设置变体号 (Variant 10xx)
            // 清除前 2 位并设为 10 (0x80)
            bytes[8] = (bytes[8] & 0x3f) | 0x80;

            // 5. 转换为 8-4-4-4-12 字符串格式
            return Array.from(bytes)
                        .map((b, i) => {
                            let s = b.toString(16).padStart(2, '0');
                            // 在特定位置添加连字符
                            if (i === 3 || i === 5 || i === 7 || i === 9) return s + '-';
                            return s;
                        })
                        .join('');
        }


        function getRandomNumber(min, max) {
            return Math.floor(Math.random() * (max - min + 1)) + min;
        }

        window.hasFixexpire = false;

        function getCookie(key) {
            const cookie = document.cookie;
            const cookieArr = cookie.split(';');
            const cookieObj = {};
            cookieArr.forEach(item => {
                const [k, v] = item.split('=');
                const trimmedKey = k ? k.trim() : '';
                const trimmedValue = v ? v.trim() : '';
                if (trimmedKey && trimmedValue)
                    cookieObj[trimmedKey] = trimmedValue;
            });

            if (!window.hasFixexpire) {
                if (cookieObj['winus_uuid']) {
                    setCookie('winus_uuid', cookieObj['winus_uuid']);
                }
                if (cookieObj['us_h5_sourceurl_key']) {
                    setCookie('us_h5_sourceurl_key', cookieObj['us_h5_sourceurl_key']);
                }
                window.hasFixexpire = true;
            }

            return key ? cookieObj[key] : cookieObj;
        };

        function setCookie(key, value, expires = 86400 * 1000) {
            const date = new Date();
            date.setTime(date.getTime() + expires);

            // document.cookie = `${key}=${value};path=/;domain=.${window.location.hostname.split('.').slice(-2).join('.')};expires=${date.toUTCString()};SameSite=None;Secure;`;
            document.cookie = `${key}=${value};path=/;domain=${window.location.hostname};expires=${date.toUTCString()};SameSite=None;Secure;`;
        };
        let bfp = localStorageGet(LOCAL_VISTOR_ID, "");
        if (!bfp) {
            localStorageSet(LOCAL_VISTOR_ID, generateUUIDv7());
            bfp = localStorageGet(LOCAL_VISTOR_ID, "")
        }

        function initCookie() {
            var uuid_key = 'winus_uuid';
            var md5val = getCookie(uuid_key);
            if (!md5val) {
                // 使用 UA + 时间戳 md5 , 保存到 cookie
                var val = bfp || generateUUIDv7();
                setCookie(uuid_key, val);
                md5val = getCookie(uuid_key);
                if (!md5val) {
                    // 保存失败
                    return {
                        type: 'error',
                        md5val: val
                    };
                }
            } else {
                // 更新 cookie
                setCookie(uuid_key, md5val);
            }

            return {
                type: 'success',
                md5val: md5val
            };
        }

        window.addEventListener('message', function (e) {
            e.source.postMessage(initCookie(), e.origin);
        });
    </script>
</head>

<body>
</body>

</html>