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<?php defined("SYSPATH") or die("No direct script access.");
/**
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2008 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 {
/**
* We're expecting to run in an environment that only supports GET/POST, so expect to tunnel
* PUT and DELETE through POST.
*
* Returns the HTTP request method taking into consideration PUT/DELETE tunneling.
* @todo Move this to a MY_request helper?
* @return string HTTP request method
*/
public static function request_method() {
if (request::method() == "get") {
return "get";
} else {
$input = Input::instance();
switch ($input->post("_method", $input->get("_method"))) {
case "put": return "put";
case "delete": return "delete";
default: return "post";
}
}
}
/**
* Choose an output format based on what the client prefers to accept.
* @return string "html", "xml" or "json"
*/
public static function output_format() {
// Pick a format, but let it be overridden.
$input = Input::instance();
return $input->get(
"_format", $input->post(
"_format", request::preferred_accept(
array("html", "xml", "json"))));
}
}
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