@binance/fingerprint/dist/lib/device.js

binance web fingerprint

"use strict";
Object.defineProperty(exports, "__esModule", {
    value: true
});
exports.withDeviceInfo = exports.saveCurrentDeviceId = exports.getCurrentDeviceId = void 0;
var _blueimpMd5 = _interopRequireDefault(require("blueimp-md5"));
var _jsBase64 = require("js-base64");
var store = _interopRequireWildcard(require("./utils/store"));
var _is = require("./utils/is");
function _interopRequireDefault(obj) {
    return obj && obj.__esModule ? obj : {
        default: obj
    };
}
function _getRequireWildcardCache() {
    if (typeof WeakMap !== "function") return null;
    var cache = new WeakMap();
    _getRequireWildcardCache = function() {
        return cache;
    };
    return cache;
}
function _interopRequireWildcard(obj) {
    if (obj && obj.__esModule) {
        return obj;
    }
    if (obj === null || typeof obj !== "object" && typeof obj !== "function") {
        return {
            default: obj
        };
    }
    var cache = _getRequireWildcardCache();
    if (cache && cache.has(obj)) {
        return cache.get(obj);
    }
    var newObj = {};
    var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor;
    for(var key in obj){
        if (Object.prototype.hasOwnProperty.call(obj, key)) {
            var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null;
            if (desc && (desc.get || desc.set)) {
                Object.defineProperty(newObj, key, desc);
            } else {
                newObj[key] = obj[key];
            }
        }
    }
    newObj.default = obj;
    if (cache) {
        cache.set(obj, newObj);
    }
    return newObj;
}
var getDevices = function() {
    return store.getCacheDevice();
};
var getCurrentDeviceId = function(id) {
    if (!id) return "";
    var devices = getDevices();
    var emailEncode = (0, _blueimpMd5).default(id);
    var device = devices[emailEncode];
    return device && device.value || "";
};
exports.getCurrentDeviceId = getCurrentDeviceId;
var saveCurrentDeviceId = function(id, value) {
    var devices = getDevices();
    var emailEncode = (0, _blueimpMd5).default(id || "");
    var device = devices[emailEncode];
    if (!device) {
        // delete first date.
        var tmpList = Object.keys(devices).reduce(function(res, key) {
            res.push({
                key: key,
                value: devices[key]
            });
            return res;
        }, []);
        if (tmpList.length >= 10) {
            tmpList = tmpList.sort(function(prev, next) {
                return prev.value.date - next.value.date;
            });
            var first = tmpList[0] || {};
            delete devices[first.key];
        }
    }
    devices[emailEncode] = {
        date: new Date().getTime(),
        value: value
    };
    store.setCacheDevice(devices);
};
exports.saveCurrentDeviceId = saveCurrentDeviceId;
var withDeviceInfo = function(id) {
    var fpInfo = arguments.length > 1 && arguments[1] !== void 0 ? arguments[1] : {};
    var info = Object.assign({}, fpInfo);
    if (_is.isClient) {
        // get device_id
        info.device_id = getCurrentDeviceId(id);
        // get related_device_ids
        var emailMd5 = (0, _blueimpMd5).default(id || "");
        var devices = getDevices();
        var keys = Object.keys(devices).filter(function(k) {
            return k !== emailMd5;
        });
        info.related_device_ids = keys.map(function(k) {
            return devices[k].value;
        }).join(",");
    }
    return _jsBase64.Base64.encode(JSON.stringify(info));
};
exports.withDeviceInfo = withDeviceInfo;