Nominatim/lib-php/init-website.php
2022-01-03 16:23:58 +01:00

99 lines
2.7 KiB
PHP

<?php
/**
* SPDX-License-Identifier: GPL-2.0-only
*
* This file is part of Nominatim. (https://nominatim.org)
*
* Copyright (C) 2022 by the Nominatim developer community.
* For a full list of authors see the git log.
*/
require_once('init.php');
require_once('ParameterParser.php');
require_once(CONST_Debug ? 'DebugHtml.php' : 'DebugNone.php');
/***************************************************************************
*
* Error handling functions
*
*/
function userError($sMsg)
{
throw new \Exception($sMsg, 400);
}
function exception_handler_json($exception)
{
http_response_code($exception->getCode());
header('Content-type: application/json; charset=utf-8');
include(CONST_LibDir.'/template/error-json.php');
exit();
}
function exception_handler_xml($exception)
{
http_response_code($exception->getCode());
header('Content-type: text/xml; charset=utf-8');
echo '<?xml version="1.0" encoding="UTF-8" ?>'."\n";
include(CONST_LibDir.'/template/error-xml.php');
exit();
}
function shutdown_exception_handler_xml()
{
$error = error_get_last();
if ($error !== null && $error['type'] === E_ERROR) {
exception_handler_xml(new \Exception($error['message'], 500));
}
}
function shutdown_exception_handler_json()
{
$error = error_get_last();
if ($error !== null && $error['type'] === E_ERROR) {
exception_handler_json(new \Exception($error['message'], 500));
}
}
function set_exception_handler_by_format($sFormat = null)
{
// Multiple calls to register_shutdown_function will cause multiple callbacks
// to be executed, we only want the last executed. Thus we don't want to register
// one by default without an explicit $sFormat set.
if (!isset($sFormat)) {
set_exception_handler('exception_handler_json');
} elseif ($sFormat == 'xml') {
set_exception_handler('exception_handler_xml');
register_shutdown_function('shutdown_exception_handler_xml');
} else {
set_exception_handler('exception_handler_json');
register_shutdown_function('shutdown_exception_handler_json');
}
}
// set a default
set_exception_handler_by_format();
/***************************************************************************
* HTTP Reply header setup
*/
if (CONST_NoAccessControl) {
header('Access-Control-Allow-Origin: *');
header('Access-Control-Allow-Methods: OPTIONS,GET');
if (!empty($_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS'])) {
header('Access-Control-Allow-Headers: '.$_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']);
}
}
if (isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] == 'OPTIONS') {
exit;
}
if (CONST_Debug) {
header('Content-type: text/html; charset=utf-8');
}