407 lines
12 KiB
PHP
407 lines
12 KiB
PHP
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<?php
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/**
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* [Discuz!] (C)2001-2099 Comsenz Inc.
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* This is NOT a freeware, use is subject to license terms
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*
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* $Id: discuz_error.php 33361 2013-05-31 08:59:06Z nemohou $
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*/
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if(!defined('IN_DISCUZ')) {
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exit('Access Denied');
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}
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class discuz_error
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{
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public static function system_error($message, $show = true, $save = true, $halt = true) {
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if(!empty($message)) {
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$message = lang('error', $message);
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} else {
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$message = lang('error', 'error_unknow');
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}
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list($showtrace, $logtrace) = discuz_error::debug_backtrace();
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if($save) {
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$messagesave = '<b>'.$message.'</b><br><b>PHP:</b>'.$logtrace;
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discuz_error::write_error_log($messagesave);
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}
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if($show) {
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if(!defined('IN_MOBILE')) {
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discuz_error::show_error('system', "<li>$message</li>", $showtrace, 0);
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} else {
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discuz_error::mobile_show_error('system', "<li>$message</li>", $showtrace, 0);
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}
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}
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if($halt) {
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exit();
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} else {
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return $message;
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}
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}
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public static function template_error($message, $tplname) {
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$message = lang('error', $message);
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$tplname = str_replace(DISCUZ_ROOT, '', $tplname);
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$message = $message.': '.$tplname;
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discuz_error::system_error($message);
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}
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public static function debug_backtrace() {
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$skipfunc[] = 'discuz_error->debug_backtrace';
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$skipfunc[] = 'discuz_error->db_error';
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$skipfunc[] = 'discuz_error->template_error';
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$skipfunc[] = 'discuz_error->system_error';
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$skipfunc[] = 'db_mysql->halt';
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$skipfunc[] = 'db_mysql->query';
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$skipfunc[] = 'DB::_execute';
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$show = $log = '';
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$debug_backtrace = debug_backtrace();
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krsort($debug_backtrace);
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foreach ($debug_backtrace as $k => $error) {
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$file = str_replace(DISCUZ_ROOT, '', $error['file']);
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$func = isset($error['class']) ? $error['class'] : '';
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$func .= isset($error['type']) ? $error['type'] : '';
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$func .= isset($error['function']) ? $error['function'] : '';
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if(in_array($func, $skipfunc)) {
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break;
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}
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$error[line] = sprintf('%04d', $error['line']);
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$show .= "<li>[Line: $error[line]]".$file."($func)</li>";
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$log .= !empty($log) ? ' -> ' : '';$file.':'.$error['line'];
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$log .= $file.':'.$error['line'];
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}
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return array($show, $log);
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}
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public static function db_error($message, $sql) {
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global $_G;
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list($showtrace, $logtrace) = discuz_error::debug_backtrace();
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$title = lang('error', 'db_'.$message);
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$title_msg = lang('error', 'db_error_message');
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$title_sql = lang('error', 'db_query_sql');
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$title_backtrace = lang('error', 'backtrace');
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$title_help = lang('error', 'db_help_link');
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$db = &DB::object();
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$dberrno = $db->errno();
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$dberror = str_replace($db->tablepre, '', $db->error());
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$sql = dhtmlspecialchars(str_replace($db->tablepre, '', $sql));
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$msg = '<li>[Type] '.$title.'</li>';
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$msg .= $dberrno ? '<li>['.$dberrno.'] '.$dberror.'</li>' : '';
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$msg .= $sql ? '<li>[Query] '.$sql.'</li>' : '';
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discuz_error::show_error('db', $msg, $showtrace, false);
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unset($msg, $phperror);
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$errormsg = '<b>'.$title.'</b>';
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$errormsg .= "[$dberrno]<br /><b>ERR:</b> $dberror<br />";
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if($sql) {
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$errormsg .= '<b>SQL:</b> '.$sql;
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}
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$errormsg .= "<br />";
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$errormsg .= '<b>PHP:</b> '.$logtrace;
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discuz_error::write_error_log($errormsg);
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exit();
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}
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public static function exception_error($exception) {
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if($exception instanceof DbException) {
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$type = 'db';
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} else {
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$type = 'system';
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}
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if($type == 'db') {
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$errormsg = '('.$exception->getCode().') ';
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$errormsg .= self::sql_clear($exception->getMessage());
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if($exception->getSql()) {
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$errormsg .= '<div class="sql">';
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$errormsg .= self::sql_clear($exception->getSql());
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$errormsg .= '</div>';
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}
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} else {
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$errormsg = $exception->getMessage();
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}
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$trace = $exception->getTrace();
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krsort($trace);
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$trace[] = array('file'=>$exception->getFile(), 'line'=>$exception->getLine(), 'function'=> 'break');
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$phpmsg = array();
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foreach ($trace as $error) {
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if(!empty($error['function'])) {
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$fun = '';
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if(!empty($error['class'])) {
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$fun .= $error['class'].$error['type'];
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}
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$fun .= $error['function'].'(';
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if(!empty($error['args'])) {
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$mark = '';
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foreach($error['args'] as $arg) {
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$fun .= $mark;
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if(is_array($arg)) {
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$fun .= 'Array';
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} elseif(is_bool($arg)) {
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$fun .= $arg ? 'true' : 'false';
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} elseif(is_int($arg)) {
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$fun .= (defined('DISCUZ_DEBUG') && DISCUZ_DEBUG) ? $arg : '%d';
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} elseif(is_float($arg)) {
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$fun .= (defined('DISCUZ_DEBUG') && DISCUZ_DEBUG) ? $arg : '%f';
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} else {
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$fun .= (defined('DISCUZ_DEBUG') && DISCUZ_DEBUG) ? '\''.dhtmlspecialchars(substr(self::clear($arg), 0, 10)).(strlen($arg) > 10 ? ' ...' : '').'\'' : '%s';
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}
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$mark = ', ';
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}
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}
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$fun .= ')';
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$error['function'] = $fun;
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}
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$phpmsg[] = array(
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'file' => str_replace(array(DISCUZ_ROOT, '\\'), array('', '/'), $error['file']),
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'line' => $error['line'],
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'function' => $error['function'],
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);
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}
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self::show_error($type, $errormsg, $phpmsg);
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exit();
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}
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public static function show_error($type, $errormsg, $phpmsg = '', $typemsg = '') {
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global $_G;
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ob_end_clean();
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$gzip = getglobal('gzipcompress');
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ob_start($gzip ? 'ob_gzhandler' : null);
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$host = $_SERVER['HTTP_HOST'];
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$title = $type == 'db' ? 'Database' : 'System';
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echo <<<EOT
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html>
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<head>
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<title>$host - $title Error</title>
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<meta http-equiv="Content-Type" content="text/html; charset={$_G['config']['output']['charset']}" />
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<meta name="ROBOTS" content="NOINDEX,NOFOLLOW,NOARCHIVE" />
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<style type="text/css">
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<!--
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body { background-color: white; color: black; font: 9pt/11pt verdana, arial, sans-serif;}
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#container { width: 1024px; }
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#message { width: 1024px; color: black; }
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.red {color: red;}
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a:link { font: 9pt/11pt verdana, arial, sans-serif; color: red; }
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a:visited { font: 9pt/11pt verdana, arial, sans-serif; color: #4e4e4e; }
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h1 { color: #FF0000; font: 18pt "Verdana"; margin-bottom: 0.5em;}
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.bg1{ background-color: #FFFFCC;}
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.bg2{ background-color: #EEEEEE;}
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.table {background: #AAAAAA; font: 11pt Menlo,Consolas,"Lucida Console"}
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.info {
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background: none repeat scroll 0 0 #F3F3F3;
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border: 0px solid #aaaaaa;
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border-radius: 10px 10px 10px 10px;
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color: #000000;
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font-size: 11pt;
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line-height: 160%;
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margin-bottom: 1em;
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padding: 1em;
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}
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.help {
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background: #F3F3F3;
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border-radius: 10px 10px 10px 10px;
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font: 12px verdana, arial, sans-serif;
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text-align: center;
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line-height: 160%;
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padding: 1em;
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}
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.sql {
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background: none repeat scroll 0 0 #FFFFCC;
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border: 1px solid #aaaaaa;
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color: #000000;
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font: arial, sans-serif;
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font-size: 9pt;
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line-height: 160%;
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margin-top: 1em;
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padding: 4px;
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}
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-->
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</style>
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</head>
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<body>
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<div id="container">
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<h1>Discuz! $title Error</h1>
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<div class='info'>$errormsg</div>
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EOT;
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if(!empty($phpmsg)) {
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echo '<div class="info">';
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echo '<p><strong>PHP Debug</strong></p>';
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echo '<table cellpadding="5" cellspacing="1" width="100%" class="table">';
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if(is_array($phpmsg)) {
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echo '<tr class="bg2"><td>No.</td><td>File</td><td>Line</td><td>Code</td></tr>';
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foreach($phpmsg as $k => $msg) {
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$k++;
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echo '<tr class="bg1">';
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echo '<td>'.$k.'</td>';
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echo '<td>'.$msg['file'].'</td>';
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echo '<td>'.$msg['line'].'</td>';
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echo '<td>'.$msg['function'].'</td>';
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echo '</tr>';
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}
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} else {
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echo '<tr><td><ul>'.$phpmsg.'</ul></td></tr>';
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}
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echo '</table></div>';
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}
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$helplink = '';
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if($type == 'db') {
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$helplink = "http://faq.comsenz.com/?type=mysql&dberrno=".rawurlencode(DB::errno())."&dberror=".rawurlencode(str_replace(DB::object()->tablepre, '', DB::error()));
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$helplink = "<a href=\"$helplink\" target=\"_blank\"><span class=\"red\">Need Help?</span></a>";
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}
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$endmsg = lang('error', 'error_end_message', array('host'=>$host));
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echo <<<EOT
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<div class="help">$endmsg. $helplink</div>
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</div>
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</body>
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</html>
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EOT;
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$exit && exit();
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}
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public static function mobile_show_error($type, $errormsg, $phpmsg) {
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global $_G;
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ob_end_clean();
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ob_start();
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$host = $_SERVER['HTTP_HOST'];
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$phpmsg = trim($phpmsg);
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$title = 'Mobile '.($type == 'db' ? 'Database' : 'System');
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echo <<<EOT
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<?xml version="1.0" encoding="utf-8"?>
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<!DOCTYPE html PUBLIC "-//WAPFORUM//DTD XHTML Mobile 1.0//EN" "http://www.wapforum.org/DTD/xhtml-mobile10.dtd">
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<html>
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<head>
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<title>$host - $title Error</title>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="ROBOTS" content="NOINDEX,NOFOLLOW,NOARCHIVE" />
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<style type="text/css">
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<!--
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body { background-color: white; color: black; }
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UL, LI { margin: 0; padding: 2px; list-style: none; }
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#message { color: black; background-color: #FFFFCC; }
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#bodytitle { font: 11pt/13pt verdana, arial, sans-serif; height: 20px; vertical-align: top; }
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.bodytext { font: 8pt/11pt verdana, arial, sans-serif; }
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.help { font: 12px verdana, arial, sans-serif; color: red;}
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.red {color: red;}
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a:link { font: 8pt/11pt verdana, arial, sans-serif; color: red; }
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a:visited { font: 8pt/11pt verdana, arial, sans-serif; color: #4e4e4e; }
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-->
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</style>
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</head>
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<body>
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<table cellpadding="1" cellspacing="1" id="container">
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<tr>
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<td id="bodytitle" width="100%">Discuz! $title Error </td>
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</tr>
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EOT;
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echo <<<EOT
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<tr><td><hr size="1"/></td></tr>
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<tr><td class="bodytext">Error messages: </td></tr>
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<tr>
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<td class="bodytext" id="message">
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<ul> $errormsg</ul>
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</td>
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</tr>
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EOT;
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if(!empty($phpmsg) && $type == 'db') {
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echo <<<EOT
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<tr><td class="bodytext"> </td></tr>
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<tr><td class="bodytext">Program messages: </td></tr>
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<tr>
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<td class="bodytext">
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<ul> $phpmsg </ul>
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</td>
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</tr>
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EOT;
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}
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$endmsg = lang('error', 'mobile_error_end_message', array('host'=>$host));
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echo <<<EOT
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<tr>
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<td class="help"><br />$endmsg</td>
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</tr>
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|
</table>
|
||
|
|
</body>
|
||
|
|
</html>
|
||
|
|
EOT;
|
||
|
|
$exit && exit();
|
||
|
|
}
|
||
|
|
|
||
|
|
public static function clear($message) {
|
||
|
|
return str_replace(array("\t", "\r", "\n"), " ", $message);
|
||
|
|
}
|
||
|
|
|
||
|
|
public static function sql_clear($message) {
|
||
|
|
$message = self::clear($message);
|
||
|
|
$message = str_replace(DB::object()->tablepre, '', $message);
|
||
|
|
$message = dhtmlspecialchars($message);
|
||
|
|
return $message;
|
||
|
|
}
|
||
|
|
|
||
|
|
public static function write_error_log($message) {
|
||
|
|
|
||
|
|
$message = discuz_error::clear($message);
|
||
|
|
$time = time();
|
||
|
|
$file = DISCUZ_ROOT.'./data/log/'.date("Ym").'_errorlog.php';
|
||
|
|
$hash = md5($message);
|
||
|
|
|
||
|
|
$uid = getglobal('uid');
|
||
|
|
$ip = getglobal('clientip');
|
||
|
|
|
||
|
|
$user = '<b>User:</b> uid='.intval($uid).'; IP='.$ip.'; RIP:'.$_SERVER['REMOTE_ADDR'];
|
||
|
|
$uri = 'Request: '.dhtmlspecialchars(discuz_error::clear($_SERVER['REQUEST_URI']));
|
||
|
|
$message = "<?PHP exit;?>\t{$time}\t$message\t$hash\t$user $uri\n";
|
||
|
|
if($fp = @fopen($file, 'rb')) {
|
||
|
|
$lastlen = 50000;
|
||
|
|
$maxtime = 60 * 10;
|
||
|
|
$offset = filesize($file) - $lastlen;
|
||
|
|
if($offset > 0) {
|
||
|
|
fseek($fp, $offset);
|
||
|
|
}
|
||
|
|
if($data = fread($fp, $lastlen)) {
|
||
|
|
$array = explode("\n", $data);
|
||
|
|
if(is_array($array)) foreach($array as $key => $val) {
|
||
|
|
$row = explode("\t", $val);
|
||
|
|
if($row[0] != '<?PHP exit;?>') continue;
|
||
|
|
if($row[3] == $hash && ($row[1] > $time - $maxtime)) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
error_log($message, 3, $file);
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|