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Jose Navas (josenavas)
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josenavas Member since 2013 30 posts
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Posted: February 22, 2016
Last activity: February 23, 2016
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Send custom HTTP header

Hi,

We have a requirement to send a custom header for authorization, for example a header with name "token". This needs to work seamlessly together with the action "Open URL in Window" that is available for links in a Repeat Grid.

We've tried adding a extra action "Run Activity" before the Open URL in Window, that will run an activity with this Java code:

String token = "";
String authToken = "$2y$10$.vGA1O9wmRjrwAVXD98HNOgsNpDczlqm3Jq7KnEd1rVAGv3Fykk1a";
client = org.apache.http.impl.client.HttpClients.custom().build();
org.apache.http.client.methods.HttpUriRequest request = org.apache.http.client.methods.RequestBuilder.get().setUri(DocumentURL).setHeader(token, authToken).build();
response = client.execute(request);

Like you see in the code above, we set the custom header with "setHeader(token, authToken)", but once we click the link, we notice* the custom header is not being passed over to the DocumentURL we specified...

*We used Firefox's Live HTTP headers extension to monitor the header information that is being sent over

Since I think Pega 7.1.8 does not have a OOTB way to send custom HTTP headers... Any idea for a workaround for this problem?

Thanks,

Jose

 

 

 

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Jose Navas (josenavas)
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I tried to do a XHR request inside a HTML rule, but it failed to execute… I used Firefox’s Network tool to monitor the traffic and headers information. I noticed that only a POST request (related to my activity that gets executed) is done when you click the link. The GET request inside the HTML rule gets ignored... The code I used for the XHR request is the following:



<div id="dms-document-viewer"></div>
<script>
var token = "<%= tools.getParamValue("token") %>";
var documentURL = "<%= tools.getParamValue("DocumentURL") %>";

var dmsDocumentViewer = document.getElementById("dms-document-viewer");
var request = new XMLHttpRequest();
request.open('GET', documentURL, true);
request.setRequestHeader("token", token);

request.onload = function() {
  if (request.status >= 200 && request.status < 400) {
    // Success!
    var resp = request.responseText;
    dmsDocumentViewer.innerHTML = resp;
  } else {
    dmsDocumentViewer.innerHTML = "We reached our target server, but it returned an error";
  }
};

request.onerror = function() {
  dmsDocumentViewer.innerHTML = "There was a connection error of some sort";
};

request.send();
</script>


Thanks for any ideas or help in this topic :)
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