JavaScript

ChartURL - Create a Signed URL

Demonstrates how to create a signed URL for ChartURL.

Note

This example is intended for running within a Chilkat.Js embedded JavaScript engine. All Chilkat JavaScript examples require Chilkat v11.4.0 or greater.

JavaScript

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

var crypt = new CkCrypt2();

// 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 CkJsonObject();
json.Load(data);
console.log("json = " + json.Emit());

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

var sbUrl = new CkStringBuilder();
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());