New upstream version 0.6.27
This commit is contained in:
geos_one
@@ -1,4 +1,11 @@
|
||||
<?php defined('SYSPATH') OR die('No direct access allowed.');
|
||||
<?php
|
||||
|
||||
// phpcs:disable PSR1.Classes.ClassDeclaration.MissingNamespace
|
||||
// phpcs:disable PSR1.Files.SideEffects
|
||||
defined('SYSPATH') or die('No direct access allowed.');
|
||||
// phpcs:enable PSR1.Files.SideEffects
|
||||
// phpcs:disable Squiz.Classes.ValidClassName.NotCamelCaps
|
||||
|
||||
/**
|
||||
* Controls headers that effect client caching of pages
|
||||
*
|
||||
@@ -9,103 +16,97 @@
|
||||
* @copyright (c) 2007-2008 Kohana Team
|
||||
* @license http://kohanaphp.com/license.html
|
||||
*/
|
||||
class expires_Core {
|
||||
class expires_Core
|
||||
{
|
||||
/**
|
||||
* Sets the amount of time before a page expires
|
||||
*
|
||||
* @param integer Seconds before the page expires
|
||||
* @return boolean
|
||||
*/
|
||||
public static function set($seconds = 60)
|
||||
{
|
||||
if (expires::check_headers()) {
|
||||
$now = $expires = time();
|
||||
|
||||
/**
|
||||
* Sets the amount of time before a page expires
|
||||
*
|
||||
* @param integer Seconds before the page expires
|
||||
* @return boolean
|
||||
*/
|
||||
public static function set($seconds = 60)
|
||||
{
|
||||
if (expires::check_headers())
|
||||
{
|
||||
$now = $expires = time();
|
||||
// Set the expiration timestamp
|
||||
$expires += $seconds;
|
||||
|
||||
// Set the expiration timestamp
|
||||
$expires += $seconds;
|
||||
// Send headers
|
||||
header('Last-Modified: ' . gmdate('D, d M Y H:i:s T', $now));
|
||||
header('Expires: ' . gmdate('D, d M Y H:i:s T', $expires));
|
||||
header('Cache-Control: max-age=' . $seconds);
|
||||
|
||||
// Send headers
|
||||
header('Last-Modified: '.gmdate('D, d M Y H:i:s T', $now));
|
||||
header('Expires: '.gmdate('D, d M Y H:i:s T', $expires));
|
||||
header('Cache-Control: max-age='.$seconds);
|
||||
return $expires;
|
||||
}
|
||||
|
||||
return $expires;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
return FALSE;
|
||||
}
|
||||
/**
|
||||
* Checks to see if a page should be updated or send Not Modified status
|
||||
*
|
||||
* @param integer Seconds added to the modified time received to calculate what should be sent
|
||||
* @return bool FALSE when the request needs to be updated
|
||||
*/
|
||||
public static function check($seconds = 60)
|
||||
{
|
||||
if (! empty($_SERVER['HTTP_IF_MODIFIED_SINCE']) and expires::check_headers()) {
|
||||
if (($strpos = strpos($_SERVER['HTTP_IF_MODIFIED_SINCE'], ';')) !== false) {
|
||||
// IE6 and perhaps other IE versions send length too, compensate here
|
||||
$mod_time = substr($_SERVER['HTTP_IF_MODIFIED_SINCE'], 0, $strpos);
|
||||
} else {
|
||||
$mod_time = $_SERVER['HTTP_IF_MODIFIED_SINCE'];
|
||||
}
|
||||
|
||||
/**
|
||||
* Checks to see if a page should be updated or send Not Modified status
|
||||
*
|
||||
* @param integer Seconds added to the modified time received to calculate what should be sent
|
||||
* @return bool FALSE when the request needs to be updated
|
||||
*/
|
||||
public static function check($seconds = 60)
|
||||
{
|
||||
if ( ! empty($_SERVER['HTTP_IF_MODIFIED_SINCE']) AND expires::check_headers())
|
||||
{
|
||||
if (($strpos = strpos($_SERVER['HTTP_IF_MODIFIED_SINCE'], ';')) !== FALSE)
|
||||
{
|
||||
// IE6 and perhaps other IE versions send length too, compensate here
|
||||
$mod_time = substr($_SERVER['HTTP_IF_MODIFIED_SINCE'], 0, $strpos);
|
||||
}
|
||||
else
|
||||
{
|
||||
$mod_time = $_SERVER['HTTP_IF_MODIFIED_SINCE'];
|
||||
}
|
||||
$mod_time = strtotime($mod_time);
|
||||
$mod_time_diff = $mod_time + $seconds - time();
|
||||
|
||||
$mod_time = strtotime($mod_time);
|
||||
$mod_time_diff = $mod_time + $seconds - time();
|
||||
if ($mod_time_diff > 0) {
|
||||
// Re-send headers
|
||||
header('Last-Modified: ' . gmdate('D, d M Y H:i:s T', $mod_time));
|
||||
header('Expires: ' . gmdate('D, d M Y H:i:s T', time() + $mod_time_diff));
|
||||
header('Cache-Control: max-age=' . $mod_time_diff);
|
||||
header('Status: 304 Not Modified', true, 304);
|
||||
|
||||
if ($mod_time_diff > 0)
|
||||
{
|
||||
// Re-send headers
|
||||
header('Last-Modified: '.gmdate('D, d M Y H:i:s T', $mod_time));
|
||||
header('Expires: '.gmdate('D, d M Y H:i:s T', time() + $mod_time_diff));
|
||||
header('Cache-Control: max-age='.$mod_time_diff);
|
||||
header('Status: 304 Not Modified', TRUE, 304);
|
||||
// Prevent any output
|
||||
Event::add('system.display', array('expires', 'prevent_output'));
|
||||
|
||||
// Prevent any output
|
||||
Event::add('system.display', array('expires', 'prevent_output'));
|
||||
// Exit to prevent other output
|
||||
exit;
|
||||
}
|
||||
}
|
||||
|
||||
// Exit to prevent other output
|
||||
exit;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
return FALSE;
|
||||
}
|
||||
/**
|
||||
* Check headers already created to not step on download or Img_lib's feet
|
||||
*
|
||||
* @return boolean
|
||||
*/
|
||||
public static function check_headers()
|
||||
{
|
||||
foreach (headers_list() as $header) {
|
||||
if (
|
||||
(session_cache_limiter() == '' and stripos($header, 'Last-Modified:') === 0)
|
||||
or stripos($header, 'Expires:') === 0
|
||||
) {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Check headers already created to not step on download or Img_lib's feet
|
||||
*
|
||||
* @return boolean
|
||||
*/
|
||||
public static function check_headers()
|
||||
{
|
||||
foreach (headers_list() as $header)
|
||||
{
|
||||
if ((session_cache_limiter() == '' AND stripos($header, 'Last-Modified:') === 0)
|
||||
OR stripos($header, 'Expires:') === 0)
|
||||
{
|
||||
return FALSE;
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
/**
|
||||
* Prevent any output from being displayed. Executed during system.display.
|
||||
*
|
||||
* @return void
|
||||
*/
|
||||
public static function prevent_output()
|
||||
{
|
||||
Kohana::$output = '';
|
||||
}
|
||||
|
||||
} // End expires
|
||||
/**
|
||||
* Prevent any output from being displayed. Executed during system.display.
|
||||
*
|
||||
* @return void
|
||||
*/
|
||||
public static function prevent_output()
|
||||
{
|
||||
Kohana::$output = '';
|
||||
}
|
||||
}
|
||||
// End expires
|
||||
|
||||
Reference in New Issue
Block a user