oidc-lib/src/claimer_sts/views/claimer_sts_form_post.js

A library for creating OIDC Service Providers

module.exports = {
   onload: onload,
}

function onload(){
// debugger;

  var urlEl = document.getElementById('fp_url');
  var url = urlEl.value;
  var tokenResultStringEl = document.getElementById('fp_tokenResultString');
  var tokenResultString = tokenResultStringEl.value;
  var tokenResult = parseParameterString(tokenResultString);

  var formEl = createPostForm(url, tokenResult);
  formEl.submit();
}

function createPostForm(url, tokenResult){
    var form = document.createElement("form"); 
    form.setAttribute("method", "post"); 
    form.setAttribute("action", url); 

    for (var k in tokenResult){
      if (tokenResult[k]){
        addInput(form, k, tokenResult[k]);
      }
    }

    document.getElementById("postdiv").appendChild(form);
    return form;

    function addInput(form, name, value){
      var el = document.createElement("input"); 
      el.setAttribute("type", "text"); 
      el.setAttribute("name", name); 
      el.setAttribute("value", value); 
      form.appendChild(el);  
    }
}

function parseParameterString(inputString){
   if (inputString.startsWith("?") || inputString.startsWith("#")){
      inputString = inputString.substring(1);
   }
   var params = inputString.split("&");
   var qParams = {};
   for (var i=0; i < params.length; i++){
      var qParam = params[i].split("=");
      var key = decodeURIComponent(qParam[0]);
      var value = fullyDecodeURIComponent(qParam[1]);
      qParams[key] = value;
   }
   return qParams;
}

function fullyDecodeURIComponent(value){
   var cutoff = 0;
   var value1 = decodeURIComponent(value);
   while (value1 !== value && cutoff < 5){
      cutoff++;
      value = value1;
      value1 = decodeURIComponent(value);
   }
   return value;
}