Dynamic Javascript appending with location.href attribute and ajax-cross-domain.com script

Question

After assigning this: window.onload = initfunction;

I want to append the AJAX cross domain script to the header:

function initfunction() {
 var dh = document.getElementsByTagName('head')[0];
 var script = null;
 script = document.createElement('script');
 script.setAttribute('src', 'http://whatever.com/cgi-bin/ACD/ACD.js?'+location.href);
 script.setAttribute('type', 'text/javascript');
 dh.appendChild(script);
  }

The script seems to be appended with the correct domain name, but Firebug says: "Failed to load source". If I type a fixed URL within the src attribute it works! e.g.:

script.setAttribute('src', 'http://whatever.com/cgi-bin/ACD/ACD.js?http://google.com');

Any ideas?

Have you tried alerting location.href? Does is give you the expected result? — karim79
– karim79, Commented Nov 9, 2009 at 14:03

bobince · Accepted Answer · 2009-11-09 14:13:19Z

0

Assuming we're talking about ajax-cross-domain.com's script, shouldn't it be:

script.setAttribute('src', 'http://whatever.com/cgi-bin/ACD/ACD.js?uri=('+encodeURIComponent(location.href)+')');

answered Nov 9, 2009 at 14:13

bobince

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6 Comments

dforce Over a year ago

That's right, but i simplified the script (cut the uri= stuff and so on). However, with a fixed URI it works!

bobince Over a year ago

Have you included the proper uri=... version inside @allowed_uris?

bobince Over a year ago

Also, what's the real URL you're trying to use? Fetching the current page (location.href) through an ACD proxy makes no sense whatsoever.

dforce Over a year ago

It makes sense in my case. I want to provide a special service to webmasters. therefore i need the cross domain stuff. to simplify the script inclusion for webmasters i have to use location.href and block not allowed uris from within ACD.

bobince Over a year ago

Erm. But the current page is already quite readable from JavaScript, there is no need to send a request to your server proxying to their server to return a page that's already loaded in the browser.

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dforce · Accepted Answer · 2009-11-10 09:34:42Z

0

Here is a simplified code snippet for test purposes. Just put this as an onload function or a script tag in the header. the webpage will continuously load...

var dh = document.getElementsByTagName('head')[0];
if(!dh)
{
  //html page without "head"
  head = document.createElement('head');
  document.appendChild(head);
}
var script = null;
script = document.createElement('script');
script.setAttribute('src', 'http://domain.com/cgi-bin/ACD/ACD.js?' + location.href);
script.setAttribute('type', 'text/javascript');
dh.appendChild(script);

answered Nov 10, 2009 at 9:34

dforce

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Comments

dforce · Accepted Answer · 2009-11-10 12:53:54Z

0

OK i got the solution. The problem was not the "location.href" itself, but a rule in our firewall that prohibits a GET request to the own server. Therefore the script throwed a timeout.

answered Nov 10, 2009 at 12:53

dforce

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