@datadome/fraud-sdk-node
Version:
Fraud Protection - Node.js SDK
107 lines • 10.4 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.DataDomeRequest = void 0;
const version = require('../../../package.json').version; // This should probably be improved
class DatadomeModule {
constructor() {
this.requestTimeMicros = Date.now() * 1000;
this.name = 'Fraud SDK Node.js';
this.version = version;
}
}
class DataDomeHeaders {
constructor(request) {
this.headers = request.headers;
this.addr = request.socket.remoteAddress;
this.method = request.method;
this.port = request.socket.remotePort ?? 0;
if ('protocol' in request) {
this.protocol = String(request.protocol);
}
this.accept = this.extractHeader('accept', 512);
this.acceptLanguage = this.extractHeader('accept-language', 256);
this.host = this.extractHeader('host', 512);
this.userAgent = this.extractHeader('user-agent', 768);
this.referer = this.extractHeader('referer', 1024);
this.xRealIp = this.extractHeader('x-real-ip', 128);
this.xForwardedForIp = this.extractHeader('x-forwarded-for', -512);
this.acceptEncoding = this.extractHeader('accept-encoding', 128);
this.serverHostname = this.extractHeader('host', 512);
this.from = this.extractHeader('from', 128);
this.origin = this.extractHeader('origin', 512);
this.connection = this.extractHeader('connection', 128);
this.acceptCharset = this.extractHeader('accept-charset', 128);
this.secCHUA = this.extractHeader('sec-ch-ua', 128);
this.secCHUAMobile = this.extractHeader('sec-ch-ua-mobile', 8);
this.secCHUAPlatform = this.extractHeader('sec-ch-ua-platform', 32);
this.secCHUAArch = this.extractHeader('sec-ch-ua-arch', 16);
this.secCHUAFullVersionList = this.extractHeader('sec-ch-ua-full-version-list', 256);
this.secCHUAModel = this.extractHeader('sec-ch-ua-model', 128);
this.secCHDeviceMemory = this.extractHeader('sec-ch-device-memory', 8);
this.request = request.url?.slice(0, 2048) ?? '/';
const sessionByHeaderClientId = this.extractHeader('x-datadome-clientid', 128);
if (sessionByHeaderClientId != '') {
this.clientID = sessionByHeaderClientId;
}
else {
this.clientID = DataDomeHeaders.getClientId(request)?.slice(0, 128);
}
delete this.headers; // do not send unused field to the API
}
extractHeader(headerName, maxLength) {
const value = this.headers[headerName]?.toString() ?? '';
if (maxLength == null) {
return value;
}
return maxLength < 0 ? value.slice(maxLength) : value.slice(0, maxLength);
}
static getClientId(request) {
const cookiesParse = (str) => {
var obj = {};
const tryDecode = (str) => {
try {
return decodeURIComponent(str);
}
catch (e) {
return str;
}
};
str.split(/; */).forEach(function (pair) {
var eq_idx = pair.indexOf('=');
if (eq_idx > 0) {
var key = pair.substr(0, eq_idx).trim();
var val = pair.substr(++eq_idx, pair.length).trim();
// quoted values
if ('"' == val[0]) {
val = val.slice(1, -1);
}
// only assign once
if (undefined == obj[key]) {
obj[key] = tryDecode(val);
}
}
});
return obj;
};
const cookies = request.headers['cookie'];
var clientId = null;
if (cookies !== undefined) {
const parsed = cookiesParse(cookies);
Object.keys(parsed).forEach(function (name) {
const value = parsed[name];
if (name === 'datadome') {
clientId = value;
}
});
}
return clientId;
}
}
class DataDomeRequest {
constructor(request) {
this.module = new DatadomeModule();
this.header = new DataDomeHeaders(request);
}
}
exports.DataDomeRequest = DataDomeRequest;
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