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inc-init.php
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inc-init.php
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<?php
/*******************************************************************************
*
* LEIDEN OPEN VARIATION DATABASE (LOVD)
* Adapted from /src/inc-init.php in the LOVD3 project.
*
* Created : 2023-08-02
* Modified : 2023-08-04 // When modified, also change the library_version.
*
* Copyright : 2004-2023 Leiden University Medical Center; http://www.LUMC.nl/
* Programmer : Ivo F.A.C. Fokkema <I.F.A.C.Fokkema@LUMC.nl>
*
*
* This file is part of LOVD.
*
* LOVD 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 3 of the License, or
* (at your option) any later version.
*
* LOVD 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 LOVD. If not, see <http://www.gnu.org/licenses/>.
*
*************/
// Don't allow direct access.
if (!defined('ROOT_PATH')) {
exit;
}
// Copied from api.lovd.nl. Not fully applicable, but better than leaving it out.
// This instance mostly returns JSON. Catch all errors and warnings and return these as JSON.
function lovd_API_handleError ($nError, $sError, $sFile, $nLine)
{
// Based on the example given within the documentation text
// at https://www.php.net/set_error_handler.
// License, according to https://www.php.net/license/index.php,
// is CC3.0-BY, compatible with GPL.
if (!(error_reporting() & $nError)) {
// This error code is not included in error_reporting, so let it
// fall through to the standard PHP error handler
return false;
}
$aReturn = array(
'version' => '',
'messages' => array(),
'warnings' => array(),
'errors' => array(),
'data' => array(),
);
switch ($nError) {
case E_NOTICE:
$aReturn['messages'][] = "PHP notice: \"$sError\" in $sFile on line $nLine.";
$aReturn['warnings'][] = "Unhandled PHP notice in $sFile on line $nLine.";
break;
case E_WARNING:
$aReturn['warnings'][] = "PHP warning: \"$sError\" in $sFile on line $nLine.";
break;
case E_ERROR:
default:
$aReturn['errors'][] = "PHP error: \"$sError\" in $sFile on line $nLine.";
break;
}
header('Content-type: application/json; charset=UTF-8', true, 500);
die(json_encode($aReturn, JSON_PRETTY_PRINT));
}
set_error_handler('lovd_API_handleError');
function lovd_API_handleException ($oException)
{
return lovd_API_handleError(
E_ERROR, // All Exceptions will be handled as Errors.
$oException->getMessage(),
$oException->getFile(),
$oException->getLine()
);
}
set_exception_handler('lovd_API_handleException');
// Sometimes inc-init.php gets run over CLI (LOVD+, external scripts, etc.).
// Handle that here, instead of building lots of code in many different places.
if (!isset($_SERVER['HTTP_HOST'])) {
// To prevent notices...
$_SERVER = array_merge($_SERVER, array(
'HTTP_HOST' => 'localhost',
'REQUEST_URI' => '/' . basename(__FILE__),
'QUERY_STRING' => '',
'REQUEST_METHOD' => 'GET',
));
}
// Require library standard functions.
require_once ROOT_PATH . 'inc-lib-init.php';
// Set error_reporting if necessary. We don't want notices to show. This will do
// fine most of the time.
if (ini_get('error_reporting') == E_ALL) {
error_reporting(E_ALL ^ E_NOTICE);
}
// Define constants needed throughout LOVD.
// Find out whether or not we're using SSL.
if ((!empty($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https') || (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != 'off') || !empty($_SERVER['SSL_PROTOCOL'])) {
// We're using SSL!
define('SSL', true);
define('PROTOCOL', 'https://');
} else {
define('SSL', false);
define('PROTOCOL', 'http://');
}
// Prevent some troubles with the menu or lovd_getProjectFile() when the URL contains double slashes or backslashes.
$_SERVER['SCRIPT_NAME'] = lovd_cleanDirName(str_replace('\\', '/', $_SERVER['SCRIPT_NAME']));
// Our output formats.
// Help a hand in case the user forgot to encode + to %2B.
$aFormats = array('application/ld+json', 'application/ld json', 'text/turtle');
if (!empty($_GET['format']) && in_array($_GET['format'], $aFormats)) {
define('FORMAT', str_replace(' ', '+', $_GET['format']));
} else {
// Don't enforce a default, so the API object will check the headers.
define('FORMAT', '');
}
// Initiate Database Connection.
$_DB = false;
@ini_set('default_charset','UTF-8');
if (function_exists('mb_internal_encoding')) {
mb_internal_encoding('UTF-8');
}
// The following applies only if the system is fully installed.
if (!defined('NOT_INSTALLED')) {
// Define $_PE ($_PATH_ELEMENTS) and CURRENT_PATH.
// Take the part of REQUEST_URI before the '?' before rawurldecode()ing the string and running lovd_cleanDirName(),
// to make sure URL encoded question marks and arguments with '../' don't break the URL parsing.
$sPath = preg_replace(
'/^' . preg_quote(lovd_getInstallURL(false), '/') . '/',
'',
lovd_cleanDirName(
html_entity_decode(
rawurldecode(
strstr($_SERVER['REQUEST_URI'] . '?', '?', true)
), ENT_HTML5))); // 'login' or 'genes?create' or 'users/00001?edit'
// Removed filtering of characters that we need to successfully receive variants in the URL.
// Since we don't produce HTML, XSS isn't a problem for us.
$_PE = explode('/', rtrim($sPath, '/')); // array('login') or array('genes') or array('users', '00001')
define('CURRENT_PATH', implode('/', $_PE));
define('PATH_COUNT', count($_PE)); // So you don't need !empty($_PE[1]) && ...
// Define ACTION.
if ($_SERVER['QUERY_STRING'] && preg_match('/^([\w-]+)(&.*)?$/', $_SERVER['QUERY_STRING'], $aRegs)) {
define('ACTION', $aRegs[1]);
} else {
define('ACTION', false);
}
// Define constant for request method.
define($_SERVER['REQUEST_METHOD'], true);
@define('GET', false);
@define('HEAD', false);
@define('POST', false);
@define('PUT', false);
@define('DELETE', false);
} else {
define('ACTION', false);
}
?>