truecallerjs/dist/login.js

TruecallerJS: A library for effortless retrieval of phone number details using the Truecaller API in Node.js, JavaScript, and TypeScript projects.

// MIT License
// Copyright (c) 2021 Emmadi Sumith Kumar
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
import axios from "axios";
import { parsePhoneNumber } from "awesome-phonenumber";
import { device } from "./data/phones.js";
function generateRandomString(length) {
    let result = "";
    const characters = "abcdefghijklmnopqrstuvwxyz0123456789";
    const charactersLength = characters.length;
    for (let i = 0; i < length; i++) {
        result += characters.charAt(Math.floor(Math.random() * charactersLength));
    }
    return result;
}
/**
 * Login to Truecaller.
 *
 * @param {string} phoneNumber - Phone number in international format.
 * @returns {Promise<LoginResponse>} - Promise that resolves to the login response containing the requestId used for OTP verification.
 */
async function login(phoneNumber) {
    const pn = parsePhoneNumber(phoneNumber);
    if (!pn?.valid) {
        throw new Error("Invalid phone number.");
    }
    const postUrl = "https://account-asia-south1.truecaller.com/v2/sendOnboardingOtp";
    const data = {
        countryCode: pn.regionCode,
        dialingCode: pn.countryCode,
        installationDetails: {
            app: {
                buildVersion: 5,
                majorVersion: 11,
                minorVersion: 7,
                store: "GOOGLE_PLAY",
            },
            device: {
                deviceId: generateRandomString(16),
                language: "en",
                manufacturer: device.manufacturer,
                model: device.model,
                osName: "Android",
                osVersion: "10",
                mobileServices: ["GMS"],
            },
            language: "en",
        },
        phoneNumber: pn.number.significant,
        region: "region-2",
        sequenceNo: 2,
    };
    const options = {
        method: "POST",
        headers: {
            "content-type": "application/json; charset=UTF-8",
            "accept-encoding": "gzip",
            "user-agent": "Truecaller/11.75.5 (Android;10)",
            clientsecret: "lvc22mp3l1sfv6ujg83rd17btt",
        },
        url: postUrl,
        data,
    };
    const res = await axios(options);
    return res.data;
}
export { login };