function CheckLastModified()
{
//echo "\n\n/*\n";
//print_r($_SERVER);
//echo "\n*/";
if (gp_dev_combine) {
return;
}
if ($this->last_modified == 0) {
return;
}
// use extended max-age value
header('Cache-Control: public, max-age=5184000');
//60 days
//attempt to send an 304 response
$etag = common::GenEtag($this->last_modified, $this->content_length);
common::Send304($etag);
}
static function RunOut()
{
global $page;
$page->RunScript();
//decide how to send the content
self::Prep();
switch (common::RequestType()) {
// <a data-cmd="admin_box">
case 'flush':
self::Flush();
break;
// remote request
// file browser
// remote request
// file browser
case 'body':
common::CheckTheme();
self::BodyAsHTML();
break;
case 'admin':
self::AdminHtml();
break;
// <a data-cmd="gpajax">
// <a data-cmd="gpabox">
// <input data-cmd="gpabox">
// <a data-cmd="gpajax">
// <a data-cmd="gpabox">
// <input data-cmd="gpabox">
case 'json':
common::CheckTheme();
includeFile('tool/ajax.php');
gpAjax::Response();
break;
case 'content':
self::Content();
break;
default:
common::CheckTheme();
self::Template();
break;
}
//if logged in, prepare the admin content and don't send 304 response
if (common::LoggedIn()) {
admin_tools::AdminHtml();
//empty edit links if there isn't a layout
if (!$page->gpLayout) {
self::$editlinks = '';
}
return;
}
/* attempt to send 304 response */
if ($page->fileModTime > 0) {
global $wbMessageBuffer, $gp_head_content;
$len = strlen($gp_head_content) + ob_get_length();
if (count($wbMessageBuffer)) {
$len += strlen(serialize($wbMessageBuffer));
}
common::Send304(common::GenEtag($page->fileModTime, $len));
}
}
/**
* Generate an etag from the filemtime and filesize of each file
* @param array $files
*
*/
static function FilesEtag($files)
{
$modified = 0;
$content_length = 0;
foreach ($files as $file) {
$content_length += @filesize($file);
$modified = max($modified, @filemtime($file));
}
return common::GenEtag($modified, $content_length);
}
/**
* Generate a file with all of the combined content
*
*/
static function GenerateFile($files, $type)
{
global $dataDir;
//get etag
$modified = $content_length = 0;
$full_paths = array();
foreach ($files as $file) {
$full_path = gp_combine::CheckFile($file);
if ($full_path === false) {
continue;
}
gp_combine::FileStat_Static($full_path, $modified, $content_length);
$full_paths[$file] = $full_path;
}
//check css imports
if ($type == 'css') {
$had_imported = false;
$import_data = array();
$imported_file = $dataDir . '/data/_cache/import_info.php';
if (file_exists($imported_file)) {
include_once $imported_file;
}
foreach ($full_paths as $file => $full_path) {
if (!isset($import_data[$full_path])) {
continue;
}
$had_imported = true;
foreach ($import_data[$full_path] as $imported_full) {
gp_combine::FileStat_Static($imported_full, $modified, $content_length);
}
unset($import_data[$full_path]);
}
}
//check to see if file exists
$etag = common::GenEtag(json_encode($files), $modified, $content_length);
$cache_relative = '/data/_cache/combined_' . $etag . '.' . $type;
$cache_file = $dataDir . $cache_relative;
if (file_exists($cache_file)) {
// change modified time to extend cache
if (time() - filemtime($cache_file) > 604800) {
touch($cache_file);
}
return $cache_relative;
}
//create file
if ($type == 'js') {
ob_start();
common::jsStart();
foreach ($full_paths as $full_path) {
readfile($full_path);
echo ";\n";
}
$combined_content = ob_get_clean();
} else {
$imports = $combined_content = '';
$new_imported = array();
foreach ($full_paths as $file => $full_path) {
$temp = new gp_combine_css($file);
$combined_content .= "\n/* " . $file . " */\n";
$combined_content .= $temp->content;
$imports .= $temp->imports;
if (count($temp->imported)) {
$new_imported[$full_path] = $temp->imported;
}
}
$combined_content = $imports . $combined_content;
//save imported data
if (count($new_imported) || $had_imported) {
if (count($new_imported)) {
$import_data = $new_imported + $import_data;
}
gpFiles::SaveData($imported_file, 'import_data', $import_data);
}
}
if (!gpFiles::Save($cache_file, $combined_content)) {
return false;
}
includeFile('admin/admin_tools.php');
admin_tools::CleanCache();
return $cache_relative;
}
/**
* Check the path of the img, return full path of image if the requested image is found
*
*/
function __construct()
{
global $dataDir;
if (!isset($_GET['w']) || !isset($_GET['h']) || !isset($_GET['img'])) {
self::Send404();
//dies
}
$img = $_GET['img'];
$height = $_GET['h'];
$width = $_GET['w'];
$index = $_GET['i'];
if (!is_numeric($height) || !is_numeric($width)) {
self::Send404();
//dies
}
$img = gpFiles::NoNull($img);
//check file path
if (strpos($img, './') !== false || strpos($img, '%2f') !== false || strpos($img, '%2F') !== false) {
return false;
}
//make sure the index is set
gp_resized::SetIndex();
if (!isset(self::$index[$index])) {
self::Send404();
//dies
}
//if the image has been renamed, redirect to the new name
$index_img = self::$index[$index];
if ($index_img != $img) {
$path = common::GetDir('/include/image.php', false) . '?i=' . $index . '&w=' . $width . '&h=' . $height . '&img=' . rawurlencode($index_img);
common::Redirect($path);
}
$info = self::ImageInfo($img, $width, $height);
$folder = $dataDir . '/data/_resized/' . $info['index'];
$full_path = $folder . '/' . $info['name'];
//if it exists return true
if (file_exists($full_path)) {
header('Cache-Control: public, max-age=5184000');
//60 days
//attempt to send 304
$stats = lstat($full_path);
if ($stats) {
common::Send304(common::GenEtag($stats['mtime'], $stats['size']));
}
header('Content-Transfer-Encoding: binary');
header('Content-Type: ' . $info['ctype']);
readfile($full_path);
die;
}
//redirect to next largest image if available
$usage = self::GetUsage($info['index']);
foreach ($usage as $size => $data) {
if (!$data['uses']) {
continue;
}
list($use_width, $use_height) = explode('x', $size);
if ($use_width >= $width && $use_height > $height || $use_width > $width && $use_height >= $height) {
$path = common::GetDir('/include/image.php', false) . '?i=' . $index . '&w=' . $use_width . '&h=' . $use_height . '&img=' . rawurlencode($img);
common::Redirect($path);
//dies
}
}
//redirect to full size image
$original = common::GetDir('/data/_uploaded' . $img, false);
common::Redirect($original);
//dies
}
function RunOut()
{
global $page, $gp_head_content;
$page->RunScript();
//decide how to send the content
gpOutput::Prep();
$req = '';
if (isset($_REQUEST['gpreq'])) {
$req = $_REQUEST['gpreq'];
}
switch ($req) {
// <a name="admin_box">
case 'flush':
gpOutput::Flush();
break;
// remote request
// file browser
// remote request
// file browser
case 'body':
common::CheckTheme();
gpOutput::BodyAsHTML();
break;
// <a name="gpajax">
// <a name="gpajax">
case 'json':
common::CheckTheme();
includeFile('tool/ajax.php');
gpAjax::Response();
break;
case 'content':
gpOutput::Content();
break;
default:
common::CheckTheme();
gpOutput::Template();
break;
}
//if logged in, prepare the admin content and don't send 304 response
if (common::LoggedIn()) {
admin_tools::AdminHtml();
return;
}
/* attempt to send 304 response */
if ($page->fileModTime > 0) {
$len = strlen($gp_head_content) + ob_get_length();
common::Send304(common::GenEtag($page->fileModTime, $len));
}
}
