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<?php
/**
* Simple cache viewer
* Bypasses the engine to view simple cached CSS views.
*
* @package Elgg
* @subpackage Core
*/
// Get DB settings, connect
require_once(dirname(dirname(__FILE__)) . '/engine/settings.php');
global $CONFIG, $viewinput, $override;
if (!isset($override)) {
$override = FALSE;
}
$contents = '';
if (!isset($viewinput)) {
$viewinput = $_GET;
}
if ($mysql_dblink = @mysql_connect($CONFIG->dbhost, $CONFIG->dbuser, $CONFIG->dbpass, true)) {
$view_name = $viewinput['view'];
$viewtype = $viewinput['viewtype'];
if (empty($viewtype)) {
$viewtype = 'default';
}
if (@mysql_select_db($CONFIG->dbname, $mysql_dblink)) {
// get dataroot and simplecache_enabled in one select for efficiency
$simplecache_enabled = true;
if (!isset($dataroot)) {
$query = "select name, value from {$CONFIG->dbprefix}datalists
where name in ('dataroot', 'simplecache_enabled')";
if ($result = mysql_query($query, $mysql_dblink)) {
$row = mysql_fetch_object($result);
while ($row) {
if ($row->name == 'dataroot') {
$dataroot = $row->value;
} else if ($row->name == 'simplecache_enabled') {
$simplecache_enabled = $row->value;
}
$row = mysql_fetch_object($result);
}
}
}
if ($simplecache_enabled || $override) {
$filename = $dataroot . 'views_simplecache/' . md5($viewtype . $view_name);
if (file_exists($filename)) {
$contents = file_get_contents($filename);
} else {
$query = "INSERT into {$CONFIG->dbprefix}datalists
set name = 'simplecache_lastupdate_$viewtype',
value = '0' ON DUPLICATE KEY UPDATE value='0'";
mysql_query($query);
}
}
}
}
// load full engine if simplecache is disabled, overriden, or invalid
if (!$contents) {
mysql_close($mysql_dblink);
require_once(dirname(dirname(__FILE__)) . "/engine/start.php");
$contents = elgg_view($view_name);
}
header("Content-Length: " . strlen($contents));
$split_output = str_split($contents, 1024);
foreach ($split_output as $chunk) {
echo $chunk;
}
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