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<?php defined("SYSPATH") or die("No direct script access.");
/**
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2013 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);
$p = $request->params;
if (!isset($p->size) || !in_array($p->size, array("thumb", "resize", "full"))) {
throw new Rest_Exception("Bad Request", 400, array("errors" => array("size" => "invalid")));
}
// Note: this code is roughly duplicated in file_proxy, so if you modify this, please look to
// see if you should make the same change there as well.
if ($p->size == "full") {
if ($item->is_album()) {
throw new Kohana_404_Exception();
}
access::required("view_full", $item);
$file = $item->file_path();
} else if ($p->size == "resize") {
access::required("view", $item);
$file = $item->resize_path();
} else {
access::required("view", $item);
$file = $item->thumb_path();
}
if (!file_exists($file)) {
throw new Kohana_404_Exception();
}
header("Content-Length: " . filesize($file));
if (isset($p->m)) {
header("Pragma:");
// Check that the content hasn't expired or it wasn't changed since cached
expires::check(2592000, $item->updated);
expires::set(2592000, $item->updated); // 30 days
}
// We don't need to save the session for this request
Session::instance()->abort_save();
// Dump out the image. If the item is a movie or album, then its thumbnail will be a JPG.
if (($item->is_movie() || $item->is_album()) && $p->size == "thumb") {
header("Content-Type: image/jpeg");
} else {
header("Content-Type: $item->mime_type");
}
if (TEST_MODE) {
return $file;
} else {
Kohana::close_buffers(false);
if (isset($p->encoding) && $p->encoding == "base64") {
print base64_encode(file_get_contents($file));
} else {
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, $size) {
if ($size == "full") {
$file = $item->file_path();
} else if ($size == "resize") {
$file = $item->resize_path();
} else {
$file = $item->thumb_path();
}
if (!file_exists($file)) {
throw new Kohana_404_Exception();
}
return url::abs_site("rest/data/{$item->id}?size=$size&m=" . filemtime($file));
}
}
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