<?php
namespace Jackbooted\Config;
use \Jackbooted\Admin\Login;
use \Jackbooted\Forms\Request;
use \Jackbooted\Forms\Response;
use \Jackbooted\G;
use \Jackbooted\Html\JS;
use \Jackbooted\Html\Tag;
use \Jackbooted\Security\CSRFGuard;
use \Jackbooted\Security\TamperGuard;
use \Jackbooted\Security\TimeGuard;
use \Jackbooted\Util\Log4PHP;
/**
* @copyright Confidential and copyright (c) 2016 Jackbooted Software. All rights reserved.
*
* Written by Brett Dutton of Jackbooted Software
* brett at brettdutton dot com
*
* This software is written and distributed under the GNU General Public
* License which means that its source code is freely-distributed and
* available to the general public.
*/
class Cfg {
private static $errorLevel;
private static $config;
private static $log;
public static function init ( &$cfg ) {
self::$config = $cfg;
date_default_timezone_set ( 'UTC' );
setlocale ( LC_MONETARY, 'en_US' );
ini_set ( 'short_open_tag', '1' );
self::checkForMaintenance ();
self::preLoadUsedClasses ();
self::setUpLogging ();
self::setUpAutoLoader ();
self::setUpDebugFriendlyClassSwitches ();
self::setUpSession ();
self::ensureNoForgery ();
self::setErrorLevel ();
self::setUpDates ();
}
public static function get ( $key=null, $def='' ) {
if ( $key == null ) return self::$config;
if ( ! isset ( self::$config[$key] ) ) return $def;
return self::$config[$key];
}
public static function set ( $key, $value ) {
$returnValue = ( isset ( self::$config[$key] ) ) ? self::$config[$key] : '';
self::$config[$key] = $value;
return $returnValue;
}
public static function setUpDates ( ) {
if ( ( $tz = self::get ( 'timezone', false ) ) !== false ) {
date_default_timezone_set ( $tz );
}
$timeStamp = time ();
self::set ( 'local_timestamp', $timeStamp );
self::set ( 'local_date_time', strftime ( '%Y-%m-%d %H:%M:%S', $timeStamp ) );
self::set ( 'local_date', strftime ( '%Y-%m-%d', $timeStamp ) );
self::set ( 'local_time', strftime ( '%H:%M', $timeStamp ) );
self::set ( 'local_date_array', getdate ( $timeStamp ) );
}
public static function siteUrl ( ) {
return self::get ( 'site_url' );
}
private static function checkForMaintenance () {
if ( ! self::get ( 'maintenance' ) ) return;
$maint = Cfg::get ( 'maintenance_url', self::siteUrl() . '/maintenance.php' );
header ( 'Location: ' . $maint );
exit;
}
private static function ensureNoForgery () {
if ( ! Cfg::get ( 'jb_forgery_check', true ) ) return;
// Check if the current script is exempt from forgery check
$fileName = '';
if ( isset ( $_SERVER['SCRIPT_FILENAME'] ) ) {
$fileName = $_SERVER['SCRIPT_FILENAME'];
}
else if ( isset ( $_SERVER['argv'][0] ) ) {
$fileName = $_SERVER['argv'][0];
}
if ( in_array ( basename ( $fileName ), Cfg::get ( 'exempt', [] ) ) ) return;
// Add the known request variables to TamperGuard
foreach ( Cfg::get ( 'known', [] ) as $val ) TamperGuard::known ( $val );
$message = null;
if ( ( $tg = TimeGuard::check() ) !== TimeGuard::NOGUARD ) {
if ( $tg !== true ) {
$message = <<<HTML
Invalid AJAX Request ($tg)<br/>
%s has detected changes in the URL.<br/>
Please do not manually edit URL or reuse URL (support %s).<br/>
You will be <a href="%s">redirected</a> in %s seconds
<meta HTTP-EQUIV="REFRESH" content="%s; url=%s">
HTML;
}
}
else if ( ( $reqChk = Request::check () ) !== true ) {
$reqChk = str_replace ( '%' , '%%' , $reqChk );
$message = <<<HTML
Invalid or expired request (URL Error - $reqChk)<br/>
%s has detected changes in the URL.<br/>
Please do not manually edit URL (support %s).<br/>
You will be <a href="%s">redirected</a> in %s seconds
<meta HTTP-EQUIV="REFRESH" content="%s; url=%s">
HTML;
}
else if ( ! CSRFGuard::check () ) {
$message = <<<HTML
Invalid Request (CSRF error)<br/>
%s has detected re-submission or form tampering.<br/>
please contact support %s<br/>
You will be <a href="%s">redirected</a> in %s seconds
<meta HTTP-EQUIV="REFRESH" content="%s; url=%s">
HTML;
}
if ( $message != null ) {
$seconds = '5';
if ( ( $location = Cfg::get ( 'index' ) ) == '' ) {
$location = Cfg::siteUrl () . '/index.php';
}
echo sprintf ( $message, Cfg::get ( 'version' ),
Cfg::get ( 'boss' ),
$location, $seconds,
$seconds, $location );
exit;
}
}
private static function setUpSession () {
Login::initSession ();
// See if we can log the user in
if ( ! Login::loadPreferencesFromCookies () ) {
if ( G::isLoggedIn () ) Login::logOut();
}
}
private static function setUpDebugFriendlyClassSwitches() {
if ( ! self::get ( 'debug' ) ) return;
// Add here if necessary
}
private static function preLoadUsedClasses() {
$dir = dirname ( dirname ( __FILE__ ) );
$filesToLoad = [ $dir. '/util/JB.php',
$dir. '/util/Log4PHP.php',
$dir. '/util/PHPExt.php',
$dir. '/util/AutoLoader.php',
$dir. '/util/ClassLocator.php',
$dir. '/time/Stopwatch.php' ];
foreach ( $filesToLoad as $fileName ) {
if ( file_exists ( $fileName ) ) {
require_once $fileName;
}
}
}
private static function setUpAutoLoader() {
\Jackbooted\Util\AutoLoader::init ();
\Jackbooted\Time\Stopwatch::init ();
\Jackbooted\Util\ClassLocator::init ( self::get ( 'class_path') );
}
private static function setUpLogging ( ) {
$errorLogLocation = ini_get ( 'error_log' );
if ( ! isset( $errorLogLocation ) || $errorLogLocation == false ) {
ini_set ( 'error_log', '/dev/stdout' );
}
$inDevMode = self::get ( 'debug' );
//$inDevMode = true;
Log4PHP::init ( ( $inDevMode ) ? Log4PHP::DEBUG : Log4PHP::ERROR );
if ( self::get ( 'FireBug' ) && $inDevMode ) {
FB::setOptions ( [ 'useNativeJsonEncode' => false ] );
ob_start();
Log4PHP::setOutput ( Log4PHP::FIREBUG );
}
else {
if ( Cfg::get ( 'quercus', false ) ) {
Log4PHP::setOutput ( Log4PHP::FILE );
}
else {
Log4PHP::setOutput ( Log4PHP::FILE );
}
}
//Log4PHP::setOutput ( Log4PHP::SCREEN );
self::$log = Log4PHP::logFactory ( __CLASS__ );
}
public static function turnOffErrorHandling () {
$oldErrorLevel = error_reporting ( 0 );
$oldDisplayErrors = ini_set ( 'display_errors', '0' );
return [ $oldErrorLevel, $oldDisplayErrors ];
}
public static function turnOnErrorHandling ( $oldValues ) {
error_reporting ( $oldValues[0] );
ini_set ( 'display_errors', $oldValues[1] );
}
public static function setErrorLevel () {
$errMode = self::get ( 'jb_error_mode' );
$level = ( $errMode ) ? ( E_ALL | E_STRICT ) : 0;
error_reporting ( $level );
ini_set ( 'display_errors', ( $errMode ) ? '1' : '0' );
if ( Cfg::get ( 'quercus', false ) ) {
set_error_handler ( [ __CLASS__, 'errorHandler' ], $level );
}
self::$errorLevel = $level;
}
public static function errorHandler ( $errno, $errstr, $errfile, $errline ) {
if ( ! preg_match ( '/^.*\\/3rdparty\\/.*$/', $errfile ) ) {
self::$log->error ( "{$errno}-{$errstr}: {$errfile}({$errline})" );
}
switch ( $errno ) {
case E_STRICT:
case E_USER_WARNING:
return;
default:
if ( self::get ( 'debug' ) ) {
$errMsg = sprintf ( '(!) Fatal error: %s in %s on line: %s', $errstr, $errfile, $errline );
$html = Tag::table ( [ 'cellpadding' => 3, 'cellspacing' => 0, 'border' => 1 ] ) .
Tag::tr ( [ 'bgcolor' => 'silver' ] ) .
Tag::th ( [ 'colspan' => 4, 'align' => 'left' ] ) . $errMsg . Tag::_th () .
Tag::_tr ( ) .
Tag::tr ( [ 'bgcolor' => 'silver' ] ) .
Tag::th () . 'Stk' . Tag::_th () .
Tag::th () . 'File' . Tag::_th () .
Tag::th () . 'Line' . Tag::_th () .
Tag::th () . 'Function' . Tag::_th () .
Tag::_tr ( );
foreach ( debug_backtrace () as $idx => $row ) {
if ( $idx == 0 ) continue;
if ( isset ( $row['file'] ) ) {
$file = basename ( $row['file'] );
$title = $row['file'];
}
else {
$file = ' ';
$title = ' ';
}
$line = ( isset ( $row['line'] ) ) ? $row['line'] : ' ';
$function = $row['function'];
if ( isset ( $row['class'] ) ) {
$function = $row['class'] . $row['type'] . $function;
}
$style = ( ( $idx % 2 ) == 0 ) ? [] : [ 'bgcolor' => 'yellow' ];
$html .= Tag::tr ( $style ) .
Tag::td () . $idx . Tag::_td () .
Tag::td ( [ 'title' => $title ] ) . $file . Tag::_td () .
Tag::td () . $line . Tag::_td () .
Tag::td () . $function . Tag::_td () .
Tag::_tr ( );
}
$html .= Tag::_table ();
$html = str_replace ( [ "\n", "'" ], [ '', "\\'" ], $html );
$url = self::siteUrl() . '/ajax.php?' . Response::factory()->action ( '\Jackbooted\Html\WebPage->blank()' )->toUrl ();
$js = <<<JS
$().ready(function() {
newWindow = window.open ( '$url','Error Output','height=300,width=700');
var tmp = newWindow.document;
tmp.write ( '<html><head><title>$errMsg</title>' );
tmp.write ( '<style type="text/css">' );
tmp.write ( '</style>');
tmp.write ( '</head><body>');
tmp.write ( '$html' );
tmp.write ( '</body></html>');
tmp.close();
});
JS;
echo JS::library ( JS::JQUERY ) .
JS::javaScript ( $js ) .
$errMsg;
}
break;
}
}
}
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