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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 {
/**
* Request failed
*/
static function fail($log_message=null) {
if (!empty($log_message)) {
Kohana_Log::add("info", $log_message);
}
// We don't need to save the session for this request
Session::abort_save();
return json_encode(array("status" => "ERROR", "message" => (string)$message));
}
/**
* Success
*/
static function success($response_data=array(), $message=null) {
$response = array("status" => "OK");
if (!empty($message)) {
$response["message"] = (string)$message;
}
$response = array_merge($response, $response_data);
// We don't need to save the session for this request
Session::abort_save();
return json_encode($response);
}
/**
* Validation Error
*/
static function validation_error($error_data) {
$response = array("status" => "VALIDATE_ERROR");
$response = array_merge($response, array("fields" => $error_data));
// We don't need to save the session for this request
Session::abort_save();
return json_encode($response);
}
static function normalize_request($args=array()) {
$input = Input::instance();
$method = strtolower($input->server("REQUEST_METHOD"));
$request = new stdClass();
foreach (array_keys($input->get()) as $key) {
$request->$key = $input->get($key);
}
if ($method != "get") {
foreach (array_keys($input->post()) as $key) {
$request->$key = $input->post($key);
}
foreach (array_keys($_FILES) as $key) {
$request->$key = $_FILES[$key];
}
}
$request->method = strtolower($input->server("HTTP_X_GALLERY_REQUEST_METHOD", $method));
$request->access_token = $input->server("HTTP_X_GALLERY_REQUEST_KEY");
$request->arguments = $args; // Let the rest handler figure out what the arguments mean
return $request;
}
static function set_active_user($access_token) {
if (empty($access_token)) {
$user = identity::guest();
} else {
$key = ORM::factory("user_access_token")
->where("access_key", "=", $access_token)
->find();
if ($key->loaded()) {
$user = identity::lookup_user($key->user_id);
if (empty($user)) {
throw new Rest_Exception(403, "Forbidden");
}
} else {
throw new Rest_Exception(403, "Forbidden");
}
}
identity::set_active_user($user);
return true;
}
}
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