Sample code for 30+ languages & platforms
Node.js

ChartURL - Create a Signed URL

See more HTTP Misc Examples

Demonstrates how to create a signed URL for ChartURL.

Chilkat Node.js Downloads

Node.js
NODEJS_PRELUDE

function chilkatExample() {

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

    var crypt = new chilkat.Crypt2();

    // Example key: "dek-d7a46236eda961a6c3c18ffcc6b077ba87d27e9ae85f7842c6d427c265dd5f69d5131308d93332353d4a55a4b1160fcf516515a4a9f0aa50fbf2d7a2e7d0f1c5"
    var key = "charturl-sign-encrypt-key";
    // Example token: "dt-RwYN"
    var token = "charturl-token";

    var slug = "weekly-activity";
    var data = "{ \"options\": {\"data\": {\"columns\": [[\"This Week\",10,13],[\"Last Week\",9,5]]}}}";

    crypt.HashAlgorithm = "SHA256";
    crypt.MacAlgorithm = "HMAC";
    crypt.SetMacKeyString(key);
    crypt.EncodingMode = "base64";

    var json = new chilkat.JsonObject();
    json.Load(data);
    console.log("json = " + json.Emit());

    var sig = crypt.MacStringENC(json.Emit());

    var sbUrl = new chilkat.StringBuilder();
    sbUrl.Append("https://charturl.com/i/");
    sbUrl.Append(token);
    sbUrl.Append("/");
    sbUrl.Append(slug);
    sbUrl.Append("?d=");
    sbUrl.Append(crypt.EncodeString(json.Emit(),"utf-8","url"));
    sbUrl.Append("&s=");
    sbUrl.Append(crypt.EncodeString(sig,"utf-8","url"));

    console.log("Signed URL: " + sbUrl.GetAsString());

}

chilkatExample();