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  • Yeshas Konduru
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10 replies

Apex:iframe loading a blank page

Hi
I have an visualforce page which calls custom controller.A method getIFrameSrc gets the ifRame URL.That URL i have to pass it to visualforce page <apex:iframe>.I am able to pass it.But i am getting a blank page.
VF Page Code
<apex:page sidebar="false"  controller="CXiIntercept3">
<!--action="{!getIFrameSrc}">-->
<!--showHeader="false"-->
<!--<apex:stylesheet value="{!URLFOR($Resource.paymetricsCSS, 'paymetricsCSS.css')}"/>-->
  <apex:form >
  <!--<apex:actionFunction name="getIFrameSrc" action="{!getIFrameSrc}" rerender="out" status="myStatus"/>-->
  <head>
   <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
    <meta http-equiv="cache-control" content="no-cache, no-store, max-age=0, must-revalidate" />
    <meta http-equiv="Pragma" content="no-cache" />
    <title>XiIntercept v3 - Implementation Demo</title>
    <script type="text/javascript">
<form id="form1">
   
        <div>
            <p>This sample shows the basic functionality of implementing the iframe solution.</p>
            <!--<iframe id="IFrame" name="dieCommFrame" frameBorder="0" src="http://www.w3schools.com"></iframe>-->
            <apex:iframe id="dieCommFrame" frameborder="0" src="{!getIFrameSrc}"/>
             <!--<apex:commandButton value="Load" action="{!getIFrameSrc}"/>-->
              <!--<apex:commandLink action="{!getIFrameSrc}" value="Load" id="theCommandLink"/>-->
            <!--<apex:param name="strSrcURL"
                value="{!getIFrameSrc}"
                assignTo="{!getIFrameSrc}"/>-->
        <!--</apex:commandButton>-->
                    </div>
        <div>
            <p />
            <table>
                <thead>
                    <tr>
                        <th colspan="2">Billing Address</th>
                    </tr>               
                </thead>
                <tbody>
                    <tr>
                        <td class="Column1">Name</td>
                        <td class="Column2">
                        <input id="Text1" type="text" value="John Doe" size="32" /></td>
                        <!--<apex:InputField label="Name" id="Text1" value="John Doe"/>-->
                    </tr>
                    <tr>
                        <td class="Column1">Address</td>
                        <td class="Column2"><input id="Text2" type="text" value="19500 State Hwy 249" size="32" /></td>
                    </tr>
                    <tr>
                        <td class="Column1">City</td>
                        <td class="Column2"><input id="Text3" type="text" value="Houston" size="32" /></td>
                    </tr>
                    <tr>
                        <td class="Column1">State</td>
                        <td class="Column2"><input id="Text4" type="text" value="Texas" size="16" /></td>
                    </tr>
                    <tr>
                        <td class="Column1">Zip Code</td>
                        <td class="Column2"><input id="Text5" type="text" value="77070" size="8" /></td>
                    </tr>
                    <tr>
                        <td class="Column1">&nbsp;</td>
                        <td class="Column2">&nbsp;</td>
                    </tr>
                    <tr>
                        <td class="Column1">&nbsp;</td>
                        <td class="Column2">
                              <!--<apex:commandButton id="cmdPayment" action="{!submitForm}" value="Tokenize Data"/>-->
                         <input id="cmdPayment" type="button" onclick="submitForm(); return false;" value="Tokenize Data" />
                        </td>
                    </tr>
                </tbody>
            </table>
        </div>
    </form>
       </body>
       </apex:form>
    </apex:page>
Apex Class Code is given below
public with sharing class CXiIntercept3
{

   /*public CXiIntercept3(ApexPages.StandardController controller) {
       m_strURL = 'https://qaapp02.xisecurenet.com/diecomm';
        m_strGUID = '8842aa98-d6d1-40a4-9ee0-c02a3393b7af' ;
        m_strPSK = '4Kb/=5ZkrX{7_3HcTt8+!Md6C2$e9}aJ' ;
        getIFrameSrc();
    }*/


    public String getIFrameSrc { get;
    set
    {
        System.debug('Inside IFrameSrc');
        String strWhere = 'getIFrameSrc';
        //alert('getIFrameSrc');
        System.debug('strWhere is'+strWhere);
        String strAccessToken = getIFrameAccessToken();
       
        String strSrcURL = m_strURL + '/view/iframe/' + m_strGUID + '/' + strAccessToken + '/true';
       
        Log(strWhere, 'IFrameSrc', strSrcURL);
        System.debug('iFrame URL is'+strSrcURL);
        getIFrameSrc = strSrcURL;
        System.debug('getIFrameSRc is'+getIFrameSrc);
        //return strSrcURL;
     }
    }
    public PageReference submitForm() {
        /*pageReference acctPage = new PageReference('https://cynosure--slqa--c.cs19.visual.force.com/apex/Paymetrics_Page');
    acctPage.setRedirect(true);*/
        return null ;    }

    public String m_strURL;
    public String m_strGUID;
    public String m_strPSK;
       
    public CXiIntercept3()
    {
        m_strURL = 'https://qaapp02.xisecurenet.com/diecomm';
        m_strGUID = '8842aa98-d6d1-40a4-9ee0-c02a3393b7af' ;
        m_strPSK = '4Kb/=5ZkrX{7_3HcTt8+!Md6C2$e9}aJ' ;
        getIFrameSrc();
      }

    public String getIFrameSrc()
    {
        System.debug('Inside IFrameSrc');
        String strWhere = 'getIFrameSrc';
        //alert('getIFrameSrc');
        System.debug('strWhere is'+strWhere);
        String strAccessToken = getIFrameAccessToken();
       
        String strSrcURL = m_strURL + '/view/iframe/' + m_strGUID + '/' + strAccessToken + '/true';
       
        Log(strWhere, 'IFrameSrc', strSrcURL);
        System.debug('iFrame URL is'+strSrcURL);
       
        return strSrcURL;
    }
   
    public String getIFrameAccessToken()
    {
        String strAT = '';
        String strResponse = '';
        String strURL = m_strURL + '/AccessToken';
        String strWhere = 'getSignedXML';
        StaticResource static_resource = [Select Body From StaticResource Where Name = 'Paymetrics_CSS'];
        String strXml = static_resource.body.toString();
        System.debug('strxml is'+strxml);
        //String strXml = '';
        //String strXml = getIFrameMerchantHTML();
        String strSignature = '';
       
        Dom.Document hDoc = null;
        Dom.XmlNode hRoot = null;
        Dom.XmlNode hResponse = null;
        Dom.XmlNode hAT = null;
        System.debug('packet ' + EncodingUtil.urlEncode(strXml, 'UTF-8'));
        String strPostXml = 'MerchantGuid=' + m_strGUID + '&' +
                    'SessionRequestType=1&' +
                    'Packet=' + EncodingUtil.urlEncode(strXml, 'UTF-8') + '&' +
                    'Signature=' + EncodingUtil.urlEncode(getDigitalSignature(strXml), 'UTF-8') + '&' +
                    'MerchantDevelopmentEnvironment=SalesForce';
        System.debug('strPostxml is ' +strPostXml);
        //System.debug('packet ' + EncodingUtil.urlEncode(strXml, 'UTF-8'));
        //Log(strWhere, 'strXml', strXml);
        //Log(strWhere, 'strPostXml', strPostXml);
        //Log(strWhere, 'strSignature', strSignature);
       
        hDoc = executeHttpRequest(strURL, strPostXml, 'POST');
        hRoot = hDoc.getRootElement();
        if(hRoot != null)
        {
            hResponse = hRoot.getChildElement('ResponsePacket', null);
            if(hResponse != null)
            {
                hAT = hResponse.getChildElement('AccessToken', null);
                if(hAT != null)
                    strAT = hAT.getText();
            }
        }
        Log(strWhere, 'AccessToken', strAT);
        System.debug('Access Token is'+strAT);
       
        return strAT;
    }
   
    public String getXmlRequest()
    {
        String strWhere = 'getXmlRequest';
        //String strRedirect = getRequestUrl();
        String strRedirect = '';
        String xmlRequest = '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>';
       

        //strRedirect = strRedirect.replace('XiIntercept3RQ', 'XiIntercept3RS');
        xmlRequest += '<PostPacketModel><RedirectUri>' + strRedirect + '</RedirectUri></PostPacketModel>';
       
        Log(strWhere, 'strRedirect', strRedirect);
        Log(strWhere, 'xmlRequest', xmlRequest);
       
        return xmlRequest;
    }
   
    /*public String getIFrameMerchantHTML()
    {
        /* code snippet to retrieve merchant xml into string */
        /*
            String strURL = '' + Site.getBaseUrl();
       
            if(strURL.length() == 0)
            {
                strURL = URL.getCurrentRequestUrl().toExternalForm().replace('XiIntercept3RQ', 'XiIntercept3RS');
            }
            else strURL += '/XiIntercept3RS';
           
           
           
            String xmlRequest = '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>';
        */
   // }
   
    private void Log(String strWhere, String strName, String strValue)
    {
        System.debug(strWhere + '() - ' + strName + ' => ' + strValue);
    }

    private String getDigitalSignature(String strData)
    {
        String strWhere = 'getDigitalSignature';
        String strSignature = '';
       
        strSignature = EncodingUtil.base64Encode(Crypto.generateMac('hmacSHA256', Blob.valueOf(strData), Blob.valueOf(m_strPSK)));
        System.debug('strsignature is'+strsignature);
        Log(strWhere, 'strData', strData);
        Log(strWhere, 'strSignature', strSignature);
       
        return strSignature;
    }

    private Dom.Document getResponsePacket(String strAccessToken)
    {
        String strWhere = 'getResponsePacket';
        String strSignature = getDigitalSignature(strAccessToken);
        String strUrlParams = m_strURL + '/ResponsePacket';
        Dom.Document hDoc = null;
       
        strUrlParams += '?MerchantGUID=' + m_strGUID;
        strUrlParams += '&Signature=' + EncodingUtil.urlEncode(strSignature, 'UTF-8');
        strUrlParams += '&AccessToken=' + strAccessToken;
       
        Log(strWhere, 'strUrlParams', strUrlParams);
        hDoc = executeHttpRequest(strUrlParams, '', 'GET');
        Log(strWhere, 'hDoc.toXmlString()', hDoc.toXmlString());
       
        return hDoc;
    }
   
    private Dom.Document executeHttpRequest(String targetURL, String urlParameters, String requestType)
    {
        String strWhere = 'executeHttpRequest';
        Dom.Document hDoc = null;
        Http myHttp = new Http();
        HttpRequest httpRQ = new HttpRequest();
        HttpResponse httpRS = null;
       
        Log(strWhere, 'targetURL', targetURL);
        Log(strWhere, 'requestType', requestType);
        Log(strWhere, 'urlParameters', urlParameters);
       
        httpRQ.setEndpoint(targetURL);
        httpRQ.setMethod(requestType);
        if(requestType.equalsIgnoreCase('POST'))
        {
            httpRQ.setHeader('Content-Type', 'application/x-www-form-urlencoded');
            httpRQ.setHeader('Content-Length', String.valueOf(urlParameters.Length()));
            httpRQ.setHeader('Content-Language', 'en-US');
            httpRQ.setHeader('Cache-Control', 'no-cache, no-store, max-age=0, must-revalidate');
            httpRQ.setHeader('Pragma', 'no-cache');
            httpRQ.setBody(urlParameters);
        }
       
        httpRS = myHttp.send(httpRQ);
        if(httpRS != null)
        {
            Log(strWhere, 'httpRS.getBody()', httpRS.getBody());
            hDoc = httpRS.getBodyDocument();
        }
        else
        {
            hDoc = new Dom.Document();
        }
       
        return hDoc;
    }
}
Any suggestions are welcome..
Thanks
Sricharan