}
}
// Write the resized image to the cache
$outputFunction($dst, $resized, $quality);
// Put the data of the resized image into a variable
ob_start();
$outputFunction($dst, null, $quality);
$data = ob_get_contents();
ob_end_clean();
// Clean up the memory
ImageDestroy($src);
ImageDestroy($dst);
// See if the browser already has the image
$lastModifiedString = gmdate('D, d M Y H:i:s', filemtime($resized)) . ' GMT';
$etag = md5($data);
doConditionalGet($etag, $lastModifiedString);
// Send the image to the browser with some delicious headers
header("Content-type: {$mime}");
header('Content-Length: ' . strlen($data));
echo $data;
function findSharp($orig, $final)
{
$final = $final * (750.0 / $orig);
$a = 52;
$b = -0.27810650887573124;
$c = 0.00047337278106508946;
$result = $a + $b * $final + $c * $final * $final;
return max(round($result), 0);
}
// findSharp()
function doConditionalGet($etag, $lastModified)
// http://fishbowl.pastiche.org/archives/001132.html
$last_modified = substr(date('r', $timestamp), 0, -5) . 'GMT';
$etag = '"' . md5($last_modified) . '"';
// Send the headers
header("Last-Modified: {$last_modified}");
header("ETag: {$etag}");
// See if the client has provided the required headers
$if_modified_since = isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) ? stripslashes($_SERVER['HTTP_IF_MODIFIED_SINCE']) : false;
$if_none_match = isset($_SERVER['HTTP_IF_NONE_MATCH']) ? stripslashes($_SERVER['HTTP_IF_NONE_MATCH']) : false;
if (!$if_modified_since && !$if_none_match) {
return;
}
// At least one of the headers is there - check them
if ($if_none_match && $if_none_match != $etag) {
return;
// etag is there but doesn't match
}
if ($if_modified_since && $if_modified_since != $last_modified) {
return;
// if-modified-since is there but doesn't match
}
// Nothing has changed since their last request - serve a 304 and exit
header('HTTP/1.0 304 Not Modified');
exit;
}
date_default_timezone_set("UTC");
doConditionalGet(filemtime('f.js'));
header('Content-Type: text/javascript; charset=UTF-8');
header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 29030400) . ' GMT');
Header('Cache-Control: max-age=29030400, public');
require 'f.js';
imagedestroy($sourceImage);
imagedestroy($destination_image);
/*
* Write the just edited image into the Xoops cache
*/
$cached_image['edited_image_filename'] = $edited_image_filename;
$cached_image['image_data'] = $imageData;
$cached_image['cached_time'] = $imageCreatedTime;
XoopsCache::write($edited_image_filename, $cached_image);
/*
* Send the edited image to the browser
*/
// See if the browser already has the image
$last_modified_string = gmdate('D, d M Y H:i:s', $imageCreatedTime) . ' GMT';
$etag = md5($imageData);
doConditionalGet($etag, $last_modified_string);
header('HTTP/1.1 200 OK');
// if image is cacheable
if (!isset($_GET['nocache']) && !isset($_GET['nobrowsercache'])) {
header('Last-Modified: ' . gmdate('D, d M Y H:i:s', $imageCreatedTime) . 'GMT');
header('Cache-control: max-age=31536000');
header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 31536000) . 'GMT');
} else {
// "Kill" the browser cache
header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
// past date
header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
// always modified
header('Cache-Control: no-store, no-cache, must-revalidate');
// HTTP/1.1
header('Cache-Control: post-check=0, pre-check=0', false);
doConditionalGet($_GET["getimage"], gmmktime(1, 0, 0, 1, 1, 2004));
$imageDataRaw = base64_decode($imageDataEnc);
Header("Content-Type: image/gif");
Header("Content-Length: " . strlen($imageDataRaw));
Header("Cache-Control: public, max-age={$maxAge}, must-revalidate");
Header("Expires: " . createHTTPDate(time() + $maxAge));
echo $imageDataRaw;
}
die;
}
// handle thumbnail creation
if ($_GET["thumbnail"] != "") {
global $thumbnailHeight, $cacheThumbnails;
$thumbnailCacheSubdir = ".snifthumbs";
$file = safeDirectory(urldecode($_GET["thumbnail"]));
doConditionalGet($_GET["thumbnail"], filemtime($file));
$thumbDir = dirname($file) . "/" . $thumbnailCacheSubdir;
$thumbFile = $thumbDir . "/" . basename($file);
if ($cacheThumbnails) {
if (file_exists($thumbDir)) {
if (!is_dir($thumbDir)) {
$cacheThumbnails = false;
}
} else {
if (@mkdir($thumbDir)) {
chmod($thumbDir, "0777");
} else {
$cacheThumbnails = false;
}
}
if (file_exists($thumbFile)) {
/**
* Turns on caching and checks if there is a recent version of this feed in the cache.
* If there is, an HTTP redirect header is sent.
* To effectively use caching, you should create the FeedCreator object and call this method
* before anything else, especially before you do the time consuming task to build the feed
* (web fetching, for example).
* When appropriate, returns HTTP 304 Not Modified instead of file.
* @since 1.4
* @param filename string optional the filename where a recent version of the feed is saved. If not specified, the filename is $_SERVER["PHP_SELF"] with the extension changed to .xml (see _generateFilename()).
* @param timeout int optional the timeout in seconds before a cached version is refreshed (defaults to 3600 = 1 hour)
*/
function useCached($filename = "", $timeout = 3600)
{
$this->_timeout = $timeout;
if ($filename == "") {
$filename = $this->_generateFilename();
}
if (file_exists($filename) and time() - filemtime($filename) < $timeout) {
// But first: Conditional GET: Use HTTP 1.1 field to see if client already has latest version
doConditionalGet(filemtime($filename));
// May exit
$this->_redirect($filename);
}
}
if (!preg_match("/{$check}/", $realpath) && !$missing) {
header("HTTP/1.0 403 Forbidden");
echo " forbidden!";
exit;
}
if (!is_readable($image) || $missing) {
//file does not exists
$image = ONXSHOP_PROJECT_DIR . "public_html/share/images/missing_image.png";
header("HTTP/1.0 404 Not Found");
// log it
}
/**
* read file info
*/
$image_type = exif_imagetype($image);
$modified = filemtime($image);
$length = filesize($image);
/**
* send to the client
*/
if ($image_type) {
header("Content-type: " . image_type_to_mime_type($image_type));
header("Content-Length: " . $length);
doConditionalGet($modified);
readfile($image);
} else {
//file is not image, attempt to hack?
header("HTTP/1.0 403 Forbidden");
echo "not an image";
// TODO: log it
}
// etag is there but doesn't match
}
if ($if_modified_since && $if_modified_since != $last_modified) {
return;
// if-modified-since is there but doesn't match
}
// Nothing has changed since their last request - serve a 304 and exit
header('HTTP/1.0 304 Not Modified');
exit;
}
$ddd = filemtime($file);
$nnn = filemtime($_SERVER['SCRIPT_FILENAME']);
if ($nnn > $ddd) {
doConditionalGet($nnn);
} else {
doConditionalGet($ddd);
}
header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 300) . ' GMT');
Header('Cache-Control: max-age=300, public');
if ($func == '') {
$func = 'e^x';
$showbox = true;
}
header('X-UA-Compatible: chrome=1');
header('Content-Type: text/html; charset=UTF-8');
$cf = false;
$msie = false;
//$mac=false;
if (!(strpos($_SERVER["HTTP_USER_AGENT"], 'MSIE') === false)) {
$msie = true;
}
