Node.js

WhatsApp - Download/Retrieve Media

Demonstrates how to download media previously uploaded to the WhatsApp Business API client Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

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

    var http = new chilkat.Http();

    //  Implements the following CURL command:

    //  curl -X GET \
    //    https://your-webapp-hostname:your-webapp-port/v1/media/4b5bf27b-8672-4d55-bc21-d096dc200d0f \
    //    -H 'Authorization: Bearer your-auth-token' \
    //    -o path/filename

    //  Use the following online tool to generate HTTP code from a CURL command
    //  Convert a cURL Command to HTTP Source Code

    //  Adds the "Authorization: Bearer your-auth-token" header.
    http.AuthToken = "your-auth-token";

    var bdResponseBody = new chilkat.BinData();
    success = http.QuickGetBd("https://your-webapp-hostname:your-webapp-port/v1/media/4b5bf27b-8672-4d55-bc21-d096dc200d0f",bdResponseBody);
    if (success == false) {
        console.log(http.LastErrorText);
        return;
    }

    var respStatusCode = http.LastStatus;
    console.log("response status code = " + respStatusCode);
    console.log("response header = " + http.LastResponseHeader);

    if (respStatusCode !== 200) {
        console.log("Error response body:");
        console.log(bdResponseBody.GetString("utf-8"));
        return;
    }

    success = bdResponseBody.WriteFile("path/filename");

}

chilkatExample();