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MDL-12886 improved response headers in Zend servers

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This commit is contained in:
skodak 2009-10-20 22:59:10 +00:00
parent e8b216709f
commit ca6340bf72
1 changed files with 20 additions and 7 deletions
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27
webservice/lib.php
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@ -135,7 +135,8 @@ abstract class webservice_zend_server implements webservice_server {
// session cleanup
$this->session_cleanup();
//TODO: we need to send some headers too I guess
//finally send the result
$this->send_headers();
echo $response;
die;
}
@ -381,6 +382,17 @@ class '.$classname.' {
external_api::set_context_restriction($this->restricted_context);
}
/**
* Internal implementation - sending of page headers.
* @return void
*/
protected function send_headers() {
header('Cache-Control: private, must-revalidate, pre-check=0, post-check=0, max-age=0');
header('Expires: '. gmdate('D, d M Y H:i:s', 0) .' GMT');
header('Pragma: no-cache');
header('Accept-Ranges: none');
}
/**
* Specialised exception handler, we can not use the standard one because
* it can not just print html to output.
@ -401,12 +413,13 @@ class '.$classname.' {
}
}
// now let the plugin send the exception to client
echo $this->zend_server->fault($ex);
// some hacks might need a cleanup hook
$this->session_cleanup($ex);
// now let the plugin send the exception to client
$this->send_headers();
echo $this->zend_server->fault($ex);
// not much else we can do now, add some logging later
exit(1);
}
@ -557,12 +570,12 @@ abstract class webservice_base_server implements webservice_server {
}
}
// now let the plugin send the exception to client
$this->send_error($ex);
// some hacks might need a cleanup hook
$this->session_cleanup($ex);
// now let the plugin send the exception to client
$this->send_error($ex);
// not much else we can do now, add some logging later
exit(1);
}