Fixed cookies issue

data_providers/avtocod.js

@@ -3,11 +3,24 @@ import Vehicle from '../models/vehicle.js';
 import DebugInfo from '../models/DebugInfo.js';
 import { Centrifuge } from 'centrifuge';
 import WebSocket from 'ws';
+import { v4 as uuidv4 } from 'uuid';
+import crypto from 'crypto';
 
-const baseUrl = 'https://avtocod.ru/api/v3';
+const baseUrl = 'https://avtocod.ru/api/v4';
 const tokenRefreshUrl = 'https://avtocod.ru/api/centrifuge/refresh';
+const minimalVersionUrl = 'https://avtocod.ru/api/v4/info/minimal_version?platform=ios'; // Just for getting cookies
+const userAgent = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:138.0) Gecko/20100101 Firefox/138.0';
 
-let deviceToken = createHash('sha256').update(Date.now().toString()).digest().toString('hex');
+const sign = {
+	version: '4.6.2',
+	sign: '3343fc07110c5df19b840d688bc45b78',
+	platform: 'Win32',
+	browsers: ['chrome'],
+	score: 0.6,
+};
+
+let deviceToken = uuidv4().replaceAll('-', '').toUpperCase();
+var cookie = null;
 
 const myWs = function (options) {
 	return class wsClass extends WebSocket {
@@ -17,18 +30,94 @@ const myWs = function (options) {
 	};
 };
 
+function findValue(key, str) {
+
+	let result = str.match(new RegExp(`"(${key}=.*?)"`));
+	if(result == null) {
+		throw Error(`Cannot find ${key} data`);
+	}
+	return result[1];
+}
+
+function getSpsnCookie(html, sign) {
+
+	let signStr = JSON.stringify(sign);
+	let signHex = Buffer.from(signStr).toString('hex');
+
+	let spsnStart = findValue('spsn', html);
+	return spsnStart + signHex + ';';
+}
+
+function getSpidCookie(html) {
+
+	return findValue('spid', html) + ';';
+}
+
+function getSpscCookie(html) {
+
+	let keyResult = html.match(/-----BEGIN.*?KEY-----.*?-----END.*?KEY-----/s);
+	if(keyResult == null) {
+		throw Error('Cannot find key for decrypting spsc data');
+	}
+	let key = keyResult[0];
+
+	let srcResult = html.match(/decrypt\("(.*?)"/);
+	if(srcResult == null) {
+		throw Error('Cannot find spsc data');
+	}
+	let dataToDecrypt = Buffer.from(srcResult[1], 'hex');
+
+	let decrypted = crypto.privateDecrypt({
+		key,
+		padding: crypto.constants.RSA_PKCS1_PADDING
+	}, dataToDecrypt);
+
+	return 'spsc=' + decrypted.toString() + ';';
+}
+
 function fromBase64(data) {
 	return Buffer.from(data, 'base64').toString('binary');
 }
 
 async function getPage(url) {
-	let result = await fetch(url);
+	let result = await fetch(url, {
+		headers: {
+			'User-Agent': userAgent,
+			'cookie': await getCookies()
+		}
+	});
 	return await result.text();
 }
 
+async function getCookies() {
+	if(cookie != null) {
+		return cookie;
+	}
+
+	let result = await fetch(minimalVersionUrl, {
+		headers: {
+			'User-Agent': userAgent
+		}
+	});
+
+	let html = await result.text();
+
+	let spsnCookie = getSpsnCookie(html, sign);
+	let spidCookie = getSpidCookie(html);
+	let spscCookie = getSpscCookie(html);
+	cookie = [spsnCookie, spidCookie, spscCookie].join(' ');
+	return cookie;
+}
+
 async function getJson(url) {
-	let result = await fetch(url);
+
-	return await result.json();
+	let jsonResult = await fetch(url, {
+		headers: {
+			'User-Agent': userAgent,
+			'cookie': await getCookies()
+		}
+	});
+	return await jsonResult.json();
 }
 
 function decryptReport(report, hash) {
@@ -117,7 +206,7 @@ function waitForReport(centrifugoConfig, channel) {
 class AvtocodProvider {
 	static async getReport(number) {
 		try {
-			let url = `${baseUrl}/auto/generate?number=${encodeURIComponent(number)}&device_token=${deviceToken}`;
+			let url = `${baseUrl}/auto/generate?number=${encodeURIComponent(number)}&device_token=${deviceToken}&type=GRZ`;
 			let resp = await getJson(url);
 
 			let html = await getPage(resp.report_uri);