managingNestedGotoUrl.groovy

import java.net.*; 
import java.io.*;
import groovy.json.JsonSlurper
import groovy.json.JsonOutput

def queryParameterAsObject(sQueryParameter){
   def retVal = [:];
   def arrParam = sQueryParameter.split("\\&");
   if (arrParam.size() > 1){
      arrParam.each{      def keyVal = it?.split('=');
                          if (keyVal.size() > 1){
                              retVal.put(keyVal[0], keyVal[1]);
                          }
                    };
   }else{
      def keyVal = arrParam[0].split("=");
      if (keyVal.size() > 1){
          retVal.put(keyVal[0], keyVal[1]);
      }
   }
   return retVal;
}

def convertObjQueryParamToUnencodedURL(objParam){
   def retVal = "";
   if (objParam != null){
       objParam.each{ 
          retVal += "${it.key}=${it.value}&"
       }
       if (retVal.length() > 0) retVal = retVal.substring(0, retVal.length() - 1);
   }
   return retVal;
}

def setQueryParamForGoto(sEncodedRefererUrl, objQueryParam){
   def retVal = sEncodedRefererUrl;
   try{
      URL origRefererUrl = new URL(sEncodedRefererUrl);
      def objOuterQueryParam = queryParameterAsObject(origRefererUrl.getQuery());   
      println "Referer Url Params:" + JsonOutput.prettyPrint(JsonOutput.toJson(objOuterQueryParam));
      def strEncodedGotoUrl = objOuterQueryParam.goto;
      def strDecodedGotoUrl = java.net.URLDecoder.decode(strEncodedGotoUrl);
      println "strDecodedGotoUrl: " + strDecodedGotoUrl;  
      URL origDecodedGotoUrl = new URL(strDecodedGotoUrl);
      def objGotoQueryParam = queryParameterAsObject(origDecodedGotoUrl.getQuery());  
      println "Decoded Goto Url Params:" + JsonOutput.prettyPrint(JsonOutput.toJson(objGotoQueryParam));
      objGotoQueryParam << objQueryParam;
      println "Appended Additional Claims into Goto Url Params:" + JsonOutput.prettyPrint(JsonOutput.toJson(objGotoQueryParam));
      if(strDecodedGotoUrl.split("\\?").size() > 1){
         strDecodedGotoUrl = strDecodedGotoUrl.split("\\?")[0] +"?"+ convertObjQueryParamToUnencodedURL(objGotoQueryParam);
      }
      println "Appended Additional Claims strDecodedGotoUrl:" + strDecodedGotoUrl;
      objOuterQueryParam.goto = java.net.URLEncoder.encode(strDecodedGotoUrl);
      println "Updated Referer Url Params:" + JsonOutput.prettyPrint(JsonOutput.toJson(objOuterQueryParam));
      if(sEncodedRefererUrl.split("\\?").size() > 1){
          retVal = sEncodedRefererUrl.split("\\?")[0] +"?"+ convertObjQueryParamToUnencodedURL(objOuterQueryParam);
      }
   }catch(Exception ex){
      ex.printStackTrace();   
   }
   return retVal;
}

//println "test".split("\\&").size();

println ​setQueryParamForGoto("https://localhost:8446/data-holder/login?goto=https%3A%2F%2Flocalhost%3A8446%2Foauth2%2Fauthorize%3Fresponse_type%3Dcode%2520id_token%26client_id%3Dbudgetguide%26redirect_uri%3Dhttps%253A%252F%252Flocalhost%253A9445%252Fdata-recipient%252Fsuccess%26scope%3Dopenid%2520profile%2520bank%253Aaccounts.basic%253Aread%26state%3DCLIENT_ID_budgetguide%26nonce%3D46e49db5-83d6-4057-98e8-f48e94a48a77%26request%3DeyJhbGciOiJQUzI1NiIsInR5cCI6IkpXVCIsImtpZCI6IjYxNGU1MmUwLWI5MWItNTMzNi04NjVhLTdkNDJhYjFmZmEwYiJ9.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.Y7z_5EGUZwCgQ4mxrm50myYmFq_D9v47THc0rf9J4dJot7SKclc44i2FiDQEUYEDit7jnGr4V7PIA-P1E6KBQxWFtapqPHCq69mIGLLD05SBGUeUR3vPjJFjYXjGLwTEFm_H-iHMbq5sXrkrUQz7qrh_TXyxOSgZ_ncQTAGqNnW13MFXtbD2P26yqpygocTtw_1aJLuvwQGdh7wdMvUlihhHsFJ-_0pxSbf0d6t4wU3yr5vGzXzkBTPx2Rj_4OXIL7-Uicit8Xi_YhUwQ4B4jW4x2P3EE1Dq_I5eZxKAXJybx5sD3kckHAinMTRDbMewwo6QhFFI4yRR2zqcH_h0Qw%26acr%3Durn%253Acds.au%253Acdr%253A3%26acr_sig%3DVE0xqXOuffx1tOmNeEeygajo6uNNGNdX2JrjXE5Ut34&realm=/&service=CDRWebAuthTree&authIndexType=service",
['Kian': 'washere'])​​​​​​​​​​​​​​​​​​​​​​​​​​​