(Node.js) WhatsApp - First Login

Log in the very first time to get your authentication token. The new login/password is passed in the JSON body of the request.

For more information, see https://developers.facebook.com/docs/whatsapp/api/users/login

Install Chilkat for Node.js and Electron using npm at Chilkat npm packages for Node.js Chilkat npm packages for Electron on Windows, Linux, MacOSX, and ARM

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node11-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node11-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node11-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node11-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node11-linux64');
    }
} else if (os.platform() == 'darwin') {
    var chilkat = require('@chilkat/ck-node11-macosx');
}

function chilkatExample() {

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    var http = new chilkat.Http();
    var success;

    // Implements the following CURL command:

    // curl -k -X POST https://your-webapp-hostname:your-webapp-port/v1/users/login \
    //   -H 'Content-Type: application/json' \
    //   --user 'admin:secret' \
    //   -d '{"new_password" : "new-password"}'

    http.Login = "admin";
    http.Password = "secret";

    // The following JSON is sent in the request body.

    // {
    //   "new_password": "new-password"
    // }

    var json = new chilkat.JsonObject();
    json.UpdateString("new_password","new-password");

    http.SetRequestHeader("Content-Type","application/json");

    // resp: HttpResponse
    var resp = http.PostJson3("https://your-webapp-hostname:your-webapp-port/v1/users/login","application/json",json);
    if (http.LastMethodSuccess == false) {
        console.log(http.LastErrorText);
        return;
    }

    var sbResponseBody = new chilkat.StringBuilder();
    resp.GetBodySb(sbResponseBody);
    var jResp = new chilkat.JsonObject();
    jResp.LoadSb(sbResponseBody);
    jResp.EmitCompact = false;

    console.log("Response Body:");
    console.log(jResp.Emit());

    var respStatusCode = resp.StatusCode;
    console.log("Response Status Code = " + respStatusCode);
    if (respStatusCode >= 400) {
        console.log("Response Header:");
        console.log(resp.Header);
        console.log("Failed.");

        return;
    }

    // Sample JSON response:
    // (Sample code for parsing the JSON response is shown below)

    // {
    //   "users": [
    //     {
    //       "token": "eyJhbGciOHlXVCJ9.eyJ1c2VyIjoNTIzMDE2Nn0.mEoF0COaO00Z1cANo",
    //       "expires_after": "2018-03-01 15:29:26+00:00"
    //     }
    //   ]
    // }

    // Sample code for parsing the JSON response...

    var token;
    var expires_after;

    var i = 0;
    var count_i = jResp.SizeOfArray("users");
    while (i < count_i) {
        jResp.I = i;
        token = jResp.StringOf("users[i].token");
        expires_after = jResp.StringOf("users[i].expires_after");
        i = i+1;
    }


}

chilkatExample();