140 lines
4.6 KiB
PHP
140 lines
4.6 KiB
PHP
<?php
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/******************************************************************************
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* ViewQuery.php *
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*******************************************************************************
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* SMF: Simple Machines Forum *
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* Open-Source Project Inspired by Zef Hemel (zef@zefhemel.com) *
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* =========================================================================== *
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* Software Version: SMF 1.0 *
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* Software by: Simple Machines (http://www.simplemachines.org) *
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* Copyright 2001-2004 by: Lewis Media (http://www.lewismedia.com) *
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* Support, News, Updates at: http://www.simplemachines.org *
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*******************************************************************************
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* This program is free software; you may redistribute it and/or modify it *
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* under the terms of the provided license as published by Lewis Media. *
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* *
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* This program is distributed in the hope that it is and will be useful, *
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* but WITHOUT ANY WARRANTIES; without even any implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
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* *
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* See the "license.txt" file for details of the Simple Machines license. *
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* The latest version can always be found at http://www.simplemachines.org. *
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******************************************************************************/
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if (!defined('SMF'))
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die('Hacking attempt...');
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/* This file is concerned with viewing queries, and is used for debugging.
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It contains only one function:
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void ViewQuery()
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- toggles the session variable 'view_queries'.
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- views a list of queries and analyzes them.
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- requires the admin_forum permission.
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- is accessed via ?action=viewquery.
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- strings in this function have not been internationalized.
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*/
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// See the queries....
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function ViewQuery()
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{
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global $scripturl, $user_info, $settings, $context, $db_connection;
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// Don't allow except for administrators.
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isAllowedTo('admin_forum');
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// If we're just hiding/showing, do it now.
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if (isset($_REQUEST['sa']) && $_REQUEST['sa'] == 'hide')
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{
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$_SESSION['view_queries'] = $_SESSION['view_queries'] == 1 ? 0 : 1;
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redirectexit($_SESSION['old_url'], false);
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}
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$qqj = isset($_REQUEST['qq']) ? (int) $_REQUEST['qq'] : 0;
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echo '<!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>', $context['forum_name'], '</title>
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<link rel="stylesheet" type="text/css" href="', $settings['theme_url'], '/style.css" />
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<style type="text/css">
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body, td, .normaltext
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{
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font-size: x-small;
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}
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.smalltext
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{
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font-size: xx-small;
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}
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</style>
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</head>
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<body>';
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foreach ($_SESSION['debug'] as $q => $qq)
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{
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// Fix the indentation....
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$qq['q'] = ltrim(str_replace("\r", '', $qq['q']), "\n");
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$query = explode("\n", $qq['q']);
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$min_indent = 0;
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foreach ($query as $line)
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{
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preg_match('/^(\t*)/', $line, $qqi);
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if (strlen($qqi[0]) < $min_indent || $min_indent == 0)
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$min_indent = strlen($qqi[0]);
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}
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foreach ($query as $l => $dummy)
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$query[$l] = substr($dummy, $min_indent);
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$qq['q'] = implode("\n", $query);
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$is_select_query = substr(trim($qq['q']), 0, 6) == 'SELECT';
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echo '
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<a name="qq' . $q . '"', $is_select_query ? ' href="' . $scripturl . '?action=viewquery;qq=' . ($q + 1) . '#qq' . $q . '"' : '', ' style="font-weight: bold; color: black; text-decoration: none;">
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' . nl2br(str_replace("\t", ' ', htmlspecialchars($qq['q']))) . '
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</a><br />
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in <i>' . $qq['f'] . '</i> line <i>' . $qq['l'] . '</i>, which took ' . $qq['t'] . ' seconds.<br />
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<br />';
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// Explain the query.
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if ($qqj == $q + 1 && $is_select_query)
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{
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$result = mysql_query("
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EXPLAIN " . $qq['q'], $db_connection);
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if ($result === false)
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die(mysql_error($db_connection));
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echo '
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<table border="1" rules="all" cellpadding="4" cellspacing="0" style="empty-cells: show; font-family: serif;">';
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$row = mysql_fetch_assoc($result);
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mysql_data_seek($result, 0);
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echo '
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<tr>
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<th>' . implode('</th>
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<th>', array_keys($row)) . '</th>
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</tr>';
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while ($row = mysql_fetch_assoc($result))
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{
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echo '
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<tr>
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<td>' . implode('</td>
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<td>', $row) . '</td>
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</tr>';
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}
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echo '
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</table>
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<br />';
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}
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}
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echo '
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</body>
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</html>';
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obExit(false);
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}
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?>
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