<?php
require_once('include/security.php');
+require_once('include/Photo.php');
function photo_init(&$a) {
+ global $_SERVER;
+
+ $prvcachecontrol = false;
+ $file = "";
switch($a->argc) {
case 4:
break;
case 2:
$photo = $a->argv[1];
+ $file = $photo;
break;
case 1:
default:
// NOTREACHED
}
+ // strtotime($_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)) {
+
/**
* Profile photos
*/
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));
$photo = substr($photo,0,-2);
}
- $r = q("SELECT `uid` FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d LIMIT 1",
+ // check if the photo exists and get the owner of the photo
+ $r = q("SELECT `uid` FROM `photo` WHERE `resource-id` = '%s' LIMIT 1",
dbesc($photo),
intval($resolution)
);
if(count($r)) {
-
+
$sql_extra = permissions_sql($r[0]['uid']);
// Now we'll see if we can access the photo
- $r = q("SELECT * FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d $sql_extra LIMIT 1",
+ $r = q("SELECT * FROM `photo` WHERE `resource-id` = '%s' AND `scale` <= %d $sql_extra ORDER BY scale DESC LIMIT 1",
dbesc($photo),
intval($resolution)
);
+ $public = ($r[0]['allow_cid'] == '') AND ($r[0]['allow_gid'] == '') AND ($r[0]['deny_cid'] == '') AND ($r[0]['deny_gid'] == '');
+
if(count($r)) {
+ $resolution = $r[0]['scale'];
$data = $r[0]['data'];
- }
- else {
-
- // Does the picture exist? It may be a remote person with no credentials,
- // but who should otherwise be able to view it. Show a default image to let
- // them know permissions was denied. It may be possible to view the image
- // through an authenticated profile visit.
- // There won't be many completely unauthorised people seeing this because
- // they won't have the photo link, so there's a reasonable chance that the person
- // might be able to obtain permission to view it.
-
- $r = q("SELECT * FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d LIMIT 1",
- dbesc($photo),
- intval($resolution)
- );
- if(count($r)) {
- $data = file_get_contents('images/nosign.jpg');
- }
+ $mimetype = $r[0]['type'];
+ } else {
+ // The picure exists. We already checked with the first query.
+ // obviously, this is not an authorized viev!
+ $data = file_get_contents('images/nosign.jpg');
+ $mimetype = 'image/jpeg';
+ $prvcachecontrol = true;
+ $public = false;
}
}
}
if(! isset($data)) {
- killme();
- // NOTREACHED
+ if(isset($resolution)) {
+ switch($resolution) {
+
+ 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');
+ $mimetype = 'image/jpeg';
+ break;
+ default:
+ killme();
+ // NOTREACHED
+ break;
+ }
+ }
}
- if(isset($customres) && $customres > 0 && $customres < 500) {
- require_once('include/Photo.php');
- $ph = new Photo($data);
+ // Resize only if its not a GIF
+ if ($mime != "image/gif") {
+ $ph = new Photo($data, $mimetype);
if($ph->is_valid()) {
- $ph->scaleImageSquare($customres);
+ if(isset($customres) && $customres > 0 && $customres < 500) {
+ $ph->scaleImageSquare($customres);
+ }
$data = $ph->imageString();
+ $mimetype = $ph->getType();
}
}
header_remove('pragma');
}
- header("Content-type: image/jpeg");
- header("Expires: " . gmdate("D, d M Y H:i:s", time() + (3600*24)) . " GMT");
- header("Cache-Control: max-age=" . (3600*24));
+ header("Content-type: ".$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 $data;
+
+ // If the photo is public and there is an existing photo directory store the photo there
+ if ($public and ($file != "")) {
+ // If the photo path isn't there, try to create it
+ if (!is_dir($_SERVER["DOCUMENT_ROOT"]."/photo"))
+ if (is_writable($_SERVER["DOCUMENT_ROOT"]))
+ mkdir($_SERVER["DOCUMENT_ROOT"]."/photo");
+
+ if (is_dir($_SERVER["DOCUMENT_ROOT"]."/photo"))
+ file_put_contents($_SERVER["DOCUMENT_ROOT"]."/photo/".$file, $data);
+ }
+
killme();
// NOTREACHED
}