<?php
require_once('include/security.php');
+require_once('include/Photo.php');
function photo_init(&$a) {
+ global $_SERVER;
- // To-Do:
- // - checking with realpath
- // - checking permissions
- /*
- $cache = get_config('system','itemcache');
- if (($cache != '') and is_dir($cache)) {
- $cachefile = $cache."/".$a->argc."-".$a->argv[1]."-".$a->argv[2]."-".$a->argv[3];
- if (file_exists($cachefile)) {
- $data = file_get_contents($cachefile);
-
- if(function_exists('header_remove')) {
- header_remove('Pragma');
- header_remove('pragma');
- }
-
- header("Content-type: image/jpeg");
- header("Expires: " . gmdate("D, d M Y H:i:s", time() + (3600*24)) . " GMT");
- header("Cache-Control: max-age=" . (3600*24));
- echo $data;
- killme();
- // NOTREACHED
- }
- }*/
+ $prvcachecontrol = false;
switch($a->argc) {
case 4:
// NOTREACHED
}
+ // strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) >= filemtime($localFileName)) {
+ if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE'])) {
+ header('HTTP/1.1 304 Not Modified');
+ header("Last-Modified: " . gmdate("D, d M Y H:i:s", time()) . " GMT");
+ header('Etag: '.$_SERVER['HTTP_IF_NONE_MATCH']);
+ header("Expires: " . gmdate("D, d M Y H:i:s", time() + (31536000)) . " GMT");
+ header("Cache-Control: max-age=31536000");
+ if(function_exists('header_remove')) {
+ header_remove('Last-Modified');
+ header_remove('Expires');
+ header_remove('Cache-Control');
+ }
+ exit;
+ }
+
+
$default = 'images/person-175.jpg';
if(isset($type)) {
break;
}
- $uid = str_replace('.jpg', '', $person);
+ $uid = str_replace(array('.jpg','.png'),array('',''), $person);
$r = q("SELECT * FROM `photo` WHERE `scale` = %d AND `uid` = %d AND `profile` = 1 LIMIT 1",
intval($resolution),
);
if(count($r)) {
$data = $r[0]['data'];
+ $mimetype = $r[0]['type'];
}
if(! isset($data)) {
$data = file_get_contents($default);
+ $mimetype = 'image/jpeg';
}
}
else {
*/
$resolution = 0;
- $photo = str_replace('.jpg','',$photo);
+ foreach( Photo::supportedTypes() as $m=>$e){
+ $photo = str_replace(".$e",'',$photo);
+ }
if(substr($photo,-2,1) == '-') {
$resolution = intval(substr($photo,-1,1));
if(count($r)) {
$data = $r[0]['data'];
+ $mimetype = $r[0]['type'];
}
else {
);
if(count($r)) {
$data = file_get_contents('images/nosign.jpg');
+ $mimetype = 'image/jpeg';
+ $prvcachecontrol = true;
}
}
}
case 4:
$data = file_get_contents('images/person-175.jpg');
+ $mimetype = 'image/jpeg';
break;
case 5:
$data = file_get_contents('images/person-80.jpg');
+ $mimetype = 'image/jpeg';
break;
case 6:
$data = file_get_contents('images/person-48.jpg');
+ $mimetype = 'image/jpeg';
break;
default:
killme();
}
if(isset($customres) && $customres > 0 && $customres < 500) {
- require_once('include/Photo.php');
- $ph = new Photo($data);
+ $ph = new Photo($data, $mimetype);
if($ph->is_valid()) {
$ph->scaleImageSquare($customres);
$data = $ph->imageString();
+ $mimetype = $ph->getType();
}
}
// Writing in cachefile
- if ($cachefile != '')
+ if (isset($cachefile) && $cachefile != '')
file_put_contents($cachefile, $data);
if(function_exists('header_remove')) {
header_remove('pragma');
}
- header("Content-type: image/jpeg");
- header("Expires: " . gmdate("D, d M Y H:i:s", time() + (3600*24)) . " GMT");
- header("Cache-Control: max-age=" . (3600*24));
+ header("Content-type: ".$mimetype);
+
+ if($prvcachecontrol) {
+
+ // it is a private photo that they have no permission to view.
+ // tell the browser not to cache it, in case they authenticate
+ // and subsequently have permission to see it
+
+ header("Cache-Control: no-store, no-cache, must-revalidate");
+
+ }
+ else {
+ header("Last-Modified: " . gmdate("D, d M Y H:i:s", time()) . " GMT");
+ header('Etag: "'.md5($data).'"');
+ header("Expires: " . gmdate("D, d M Y H:i:s", time() + (31536000)) . " GMT");
+ header("Cache-Control: max-age=31536000");
+ }
echo $data;
killme();
// NOTREACHED