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<?php defined("SYSPATH") or die("No direct script access.");
/**
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2010 Bharat Mediratta
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
*/
/**
* This resource returns the raw contents of Item_Model data files. It's analogous to the
* file_proxy controller, but it uses the REST authentication model.
*/
class data_rest_Core {
static function get($request) {
$item = rest::resolve($request->url);
access::required("view", $item);
$p = $request->params;
if (!isset($p->size) || !in_array($p->size, array("thumb", "resize", "full"))) {
throw new Rest_Exception("Bad Request", 400, array("errors" => array("size" => "invalid")));
}
switch ($p->size) {
case "thumb":
$file = $item->thumb_path();
break;
case "resize":
$file = $item->resize_path();
break;
case "full":
$file = $item->file_path();
break;
}
if (!file_exists($file)) {
throw new Kohana_404_Exception();
}
// Note: this code is roughly duplicated in data_rest, so if you modify this, please look to
// see if you should make the same change there as well.
//
// We don't have a cache buster in the url, so don't set cache headers here.
// We don't need to save the session for this request
Session::instance()->abort_save();
if ($item->is_album() && !$item->album_cover_item_id) {
// No thumbnail. Return nothing.
// @todo: what should we do here?
return;
}
// Dump out the image. If the item is a movie, then its thumbnail will be a JPG.
if ($item->is_movie() && $p->size == "thumb") {
header("Content-Type: image/jpeg");
} else if ($item->is_album()) {
header("Content-Type: " . $item->album_cover()->mime_type);
} else {
header("Content-Type: {$item->mime_type}");
}
Kohana::close_buffers(false);
readfile($file);
// We must exit here to keep the regular REST framework reply code from adding more bytes on
// at the end or tinkering with headers.
exit;
}
static function resolve($id) {
$item = ORM::factory("item", $id);
if (!access::can("view", $item)) {
throw new Kohana_404_Exception();
}
return $item;
}
static function url($item, $size) {
return url::abs_site("rest/data/{$item->id}?size=$size");
}
}
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