TryCF Gist

trycf-gist-1660955633805-36e46923-e98f-a131-9859-006d5a397882.cfm

<cfscript>
function urlSafeBase64Encode(str) {
  return createObject("java", "java.util.Base64")
    .getUrlEncoder()
    .withoutPadding()
    .encodeToString(str.getBytes("UTF-8"));
}
function urlSafeBase64Decode(str) {
  var bytes = createObject("java", "java.util.Base64")
    .getUrlDecoder()
    .decode(str);
  return createObject("java", "java.lang.String").init(bytes);
}

urlSafeBase64 = urlSafeBase64Encode("subjects?_d=1");
writeDump({ "URL Safe Base64": urlSafeBase64 });

writeDump({ "Decoded": urlSafeBase64Decode(urlSafeBase64)});
</cfscript>