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<?php defined("SYSPATH") or die("No direct script access.");
/**
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2009 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.
*/
class rest_Core {
static function reply($data=array()) {
Session::abort_save();
if ($data) {
print json_encode($data);
}
}
static function set_active_user($access_token) {
if (empty($access_token)) {
identity::set_active_user(identity::guest());
return;
}
$key = ORM::factory("user_access_token")
->where("access_key", "=", $access_token)
->find();
if (!$key->loaded()) {
throw new Rest_Exception("Forbidden", 403);
}
$user = identity::lookup_user($key->user_id);
if (empty($user)) {
throw new Rest_Exception("Forbidden", 403);
}
identity::set_active_user($user);
}
static function send_headers($exception) {
header("HTTP/1.1 " . $exception->getCode() . " " . $exception->getMessage());
}
/**
* Convert a REST url into an object.
* Eg: "http://example.com/gallery3/index.php/rest/gallery/Family/Wedding" -> Item_Model
*
* @param string the fully qualified REST url
* @return mixed the corresponding object (usually a model of some kind)
*/
static function resolve($url) {
$relative_url = substr($url, strlen(url::abs_site("rest")));
$path = parse_url($relative_url, PHP_URL_PATH);
$components = explode("/", $path, 3);
$class = "$components[1]_rest";
if (!method_exists($class, "resolve")) {
throw new Kohana_404_Exception($url);
}
return call_user_func(array($class, "resolve"), !empty($components[2]) ? $components[2] : null);
}
/**
* Return an absolute url used for REST resource location.
* @param string module name (eg, "gallery", "tags")
* @param object resource
*/
static function url($module, $resource) {
$class = "{$module}_rest";
if (!method_exists($class, "url")) {
throw new Exception("@todo MISSING REST CLASS: $class");
}
return call_user_func(array($class, "url"), $resource);
}
}
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