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<?php
if (!defined('LACONICA')) {
exit(1);
}
/*
* Generates the cross domain communication channel file
* (xd_receiver.html). By generating it we can add some caching
* instructions.
*
* See: http://wiki.developers.facebook.com/index.php/Cross_Domain_Communication_Channel
*/
class FBC_XDReceiverAction extends Action
{
/**
* Do we need to write to the database?
*
* @return boolean true
*/
function isReadonly()
{
return true;
}
/**
* Handle a request
*
* @param array $args Arguments from $_REQUEST
*
* @return void
*/
function handle($args)
{
// Parent handling, including cache check
parent::handle($args);
$this->showPage();
}
function showPage()
{
// cache the xd_receiver
header('Cache-Control: max-age=225065900');
header('Expires:');
header('Pragma:');
$this->startXML('html');
$language = $this->getLanguage();
$this->elementStart('html', array('xmlns' => 'http://www.w3.org/1999/xhtml',
'xml:lang' => $language,
'lang' => $language));
$this->elementStart('head');
$this->element('title', null, 'cross domain receiver page');
$this->script('http://static.ak.connect.facebook.com/js/api_lib/v0.4/XdCommReceiver.debug.js');
$this->elementEnd('head');
$this->elementStart('body');
$this->elementEnd('body');
$this->elementEnd('html');
}
}
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