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<?php |
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/** |
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* cleanlitterbox.php - keep a sandbox clean |
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* |
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* @copyright Copyright © 2013 geekwright, LLC. All rights reserved. |
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* @license gwiki/docs/license.txt GNU General Public License (GPL) |
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* @since 1.0 |
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* @author Richard Griffith <[email protected]> |
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* @package gwiki |
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*/ |
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/* |
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This is a script you can adapt to keep a portion of your wiki |
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clean. It is intended for tidying up a sandbox where people can |
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practice editing. It will delete all page revisions older than a |
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certain age specified in hours where the page name matches an |
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SQL LIKE pattern. |
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You must enable this by declaring a sandbox policy by setting |
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the two variables below: |
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$keywordpattern pattern to identify sandbox pages (i.e. 'Sandbox:%') |
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$retainhours is the minimum number of hours to retain (i.e. 24 for one day) |
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Move this file from the extras folder, up one level to the main gwiki |
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folder to execute it. You can call it manually in a web browser or set |
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it up to be automatically called, for example, by wget in a cron job. |
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*/ |
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$keywordpattern = ''; |
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$retainhours = 0; |
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$dir = 'gwiki'; |
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include __DIR__ . '/../../mainfile.php'; |
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// if check variable is set, show like a regular module page (with debug if on) |
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// otherwise, turn off logging and just get busy cleaning |
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View Code Duplication |
if (!empty($_REQUEST['check'])) { |
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$GLOBALS['xoopsOption']['template_main'] = 'gwiki_view.tpl'; |
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include XOOPS_ROOT_PATH . '/header.php'; |
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do_clean(); |
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include XOOPS_ROOT_PATH . '/footer.php'; |
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} else { |
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$xoopsLogger->activated = false; |
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do_clean(); |
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exit; |
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} |
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function do_clean() |
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{ |
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global $xoopsDB; |
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global $keywordpattern, $retainhours, $dir; |
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if ($retainhours <= 0 || $keywordpattern === '') { |
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return; |
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} |
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$lastmodifiedbefore = time() - ($retainhours * 3600); |
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$sql = 'DELETE FROM ' . $xoopsDB->prefix('gwiki_pages') . " WHERE keyword like '{$keywordpattern}' AND lastmodified< $lastmodifiedbefore"; |
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$result = $xoopsDB->queryF($sql); |
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$cnt = $xoopsDB->getAffectedRows(); |
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View Code Duplication |
if ($cnt > 0) { |
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$sql = 'SELECT image_file FROM ' . $xoopsDB->prefix('gwiki_page_images'); |
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$sql .= ' WHERE keyword NOT IN (SELECT keyword from ' . $xoopsDB->prefix('gwiki_pages') . ')'; |
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$result = $xoopsDB->query($sql); |
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while ($f = $xoopsDB->fetchArray($result)) { |
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unlink(XOOPS_ROOT_PATH . '/uploads/' . $dir . '/' . $f['image_file']); |
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} |
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$sql = 'DELETE FROM ' . $xoopsDB->prefix('gwiki_page_images'); |
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$sql .= ' WHERE keyword NOT IN (SELECT keyword from ' . $xoopsDB->prefix('gwiki_pages') . ')'; |
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$result = $xoopsDB->queryF($sql); |
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$sql = 'SELECT file_path FROM ' . $xoopsDB->prefix('gwiki_page_files'); |
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$sql .= ' WHERE keyword NOT IN (SELECT keyword from ' . $xoopsDB->prefix('gwiki_pages') . ')'; |
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$result = $xoopsDB->query($sql); |
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while ($f = $xoopsDB->fetchArray($result)) { |
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unlink(XOOPS_ROOT_PATH . '/uploads/' . $dir . '/' . $f['file_path']); |
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} |
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$sql = 'DELETE FROM ' . $xoopsDB->prefix('gwiki_page_files'); |
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$sql .= ' WHERE keyword NOT IN (SELECT keyword from ' . $xoopsDB->prefix('gwiki_pages') . ')'; |
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$result = $xoopsDB->queryF($sql); |
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$sql = 'DELETE FROM ' . $xoopsDB->prefix('gwiki_pageids') . ' WHERE keyword NOT IN (SELECT keyword from ' . $xoopsDB->prefix('gwiki_pages') . ')'; |
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$result = $xoopsDB->queryF($sql); |
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$sql = 'OPTIMIZE TABLE ' . $xoopsDB->prefix('gwiki_pages'); |
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$result = $xoopsDB->queryF($sql); |
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} |
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} |
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This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
Both the
$myVarassignment in line 1 and the$higherassignment in line 2 are dead. The first because$myVaris never used and the second because$higheris always overwritten for every possible time line.