/**
* Handle a request for a cached view
*
* @param array $path URL path
* @return void
*/
public function handleRequest($path)
{
$config = $this->config;
$request = $this->parsePath($path);
if (!$request) {
$this->send403();
}
$ts = $request['ts'];
$view = $request['view'];
$viewtype = $request['viewtype'];
$contentType = $this->getContentType($view);
if (!empty($contentType)) {
header("Content-Type: {$contentType}", true);
}
// this may/may not have to connect to the DB
$this->setupSimplecache();
// we can't use $config->get yet. It fails before the core is booted
if (!$config->getVolatile('simplecache_enabled')) {
$this->application->bootCore();
if (!\_elgg_is_view_cacheable($view)) {
$this->send403();
} else {
echo $this->renderView($view, $viewtype);
}
exit;
}
$etag = "\"{$ts}\"";
// If is the same ETag, content didn't change.
if (isset($this->server_vars['HTTP_IF_NONE_MATCH']) && trim($this->server_vars['HTTP_IF_NONE_MATCH']) === $etag) {
header("HTTP/1.1 304 Not Modified");
exit;
}
$filename = $config->getVolatile('dataroot') . 'views_simplecache/' . md5("{$viewtype}|{$view}");
if (file_exists($filename)) {
$this->sendCacheHeaders($etag);
readfile($filename);
exit;
}
$this->application->bootCore();
elgg_set_viewtype($viewtype);
if (!\_elgg_is_view_cacheable($view)) {
$this->send403();
}
$cache_timestamp = (int) $config->get('lastcache');
if ($cache_timestamp == $ts) {
$this->sendCacheHeaders($etag);
$content = $this->getProcessedView($view, $viewtype);
$dir_name = $config->getDataPath() . 'views_simplecache/';
if (!is_dir($dir_name)) {
mkdir($dir_name, 0700);
}
file_put_contents($filename, $content);
} else {
// if wrong timestamp, don't send HTTP cache
$content = $this->renderView($view, $viewtype);
}
echo $content;
exit;
}
/**
* Handle a request for a cached view
*
* @param array $get_vars $_GET variables
* @param array $server_vars $_SERVER variables
* @return void
*/
public function handleRequest($get_vars, $server_vars)
{
if (empty($get_vars['request'])) {
$this->send403();
}
$request = $this->parseRequestVar($get_vars['request']);
if (!$request) {
$this->send403();
}
$ts = $request['ts'];
$view = $request['view'];
$viewtype = $request['viewtype'];
$this->sendContentType($view);
// this may/may not have to connect to the DB
$this->setupSimplecache();
if (!$this->config->simplecache_enabled) {
$this->loadEngine();
if (!_elgg_is_view_cacheable($view)) {
$this->send403();
} else {
echo $this->renderView($view, $viewtype);
}
exit;
}
$etag = "\"{$ts}\"";
// If is the same ETag, content didn't change.
if (isset($server_vars['HTTP_IF_NONE_MATCH']) && trim($server_vars['HTTP_IF_NONE_MATCH']) === $etag) {
header("HTTP/1.1 304 Not Modified");
exit;
}
$filename = $this->config->dataroot . 'views_simplecache/' . md5("{$viewtype}|{$view}");
if (file_exists($filename)) {
$this->sendCacheHeaders($etag);
readfile($filename);
exit;
}
$this->loadEngine();
elgg_set_viewtype($viewtype);
if (!_elgg_is_view_cacheable($view)) {
$this->send403();
}
$cache_timestamp = (int) _elgg_services()->config->get('lastcache');
if ($cache_timestamp == $ts) {
$this->sendCacheHeaders($etag);
$content = $this->getProcessedView($view, $viewtype);
$dir_name = $this->config->dataroot . 'views_simplecache/';
if (!is_dir($dir_name)) {
mkdir($dir_name, 0700);
}
file_put_contents($filename, $content);
} else {
// if wrong timestamp, don't send HTTP cache
$content = $this->renderView($view, $viewtype);
}
echo $content;
exit;
}
/**
* Handle a request for a cached view
*
* @param array $path URL path
* @return void
*/
public function handleRequest($path)
{
$config = $this->config;
$request = $this->parsePath($path);
if (!$request) {
$this->send403();
}
$ts = $request['ts'];
$view = $request['view'];
$viewtype = $request['viewtype'];
$contentType = $this->getContentType($view);
if (empty($contentType)) {
$this->send403("Asset must have a valid file extension");
}
header("Content-Type: {$contentType}", true);
// this may/may not have to connect to the DB
$this->setupSimplecache();
// we can't use $config->get yet. It fails before the core is booted
if (!$config->getVolatile('simplecache_enabled')) {
$this->application->bootCore();
if (!\_elgg_is_view_cacheable($view)) {
$this->send403("Requested view is not an asset");
} else {
$content = $this->renderView($view, $viewtype);
$etag = '"' . md5($content) . '"';
$this->sendRevalidateHeaders($etag);
$this->handle304($etag);
echo $content;
}
exit;
}
$etag = "\"{$ts}\"";
$this->handle304($etag);
// trust the client but check for an existing cache file
$filename = $config->getVolatile('dataroot') . "views_simplecache/{$ts}/{$viewtype}/{$view}";
if (file_exists($filename)) {
$this->sendCacheHeaders($etag);
readfile($filename);
exit;
}
// the hard way
$this->application->bootCore();
elgg_set_viewtype($viewtype);
if (!\_elgg_is_view_cacheable($view)) {
$this->send403("Requested view is not an asset");
}
$lastcache = (int) $config->get('lastcache');
$filename = $config->getVolatile('dataroot') . "views_simplecache/{$lastcache}/{$viewtype}/{$view}";
if ($lastcache == $ts) {
$this->sendCacheHeaders($etag);
$content = $this->getProcessedView($view, $viewtype);
$dir_name = dirname($filename);
if (!is_dir($dir_name)) {
mkdir($dir_name, 0700, true);
}
file_put_contents($filename, $content);
} else {
// if wrong timestamp, don't send HTTP cache
$content = $this->renderView($view, $viewtype);
}
echo $content;
exit;
}
