*/ class admin_plugin_clearhistory extends DokuWiki_Admin_Plugin { /** * pages in a hiracical view * * "" => array( ... ) * "pages" => array ( pagenames ) */ protected $pages = array(); /** * counts deleted pages for a run */ public $delcounter = 0; /** * handle the request befor html output * * @see html() */ public function handle() { $onlySmall = false; $onlyNoComment = false; if (isset($_REQUEST['onlysmall']) && $_REQUEST['onlysmall'] == 'on') $onlySmall = true; if (isset($_REQUEST['onlynocomment']) && $_REQUEST['onlynocomment'] == 'on') $onlyNoComment = true; if (isset($_GET['clear'])) { if ($_GET['clear'] == 1) { $this->_scanRecents(30, $onlySmall, $onlyNoComment); } else { if ($_GET['clear'] == 2) { $_GET['ns'] = cleanID($_GET['ns']); $this->_scanNamespace($_GET['ns'], $onlySmall, $onlyNoComment); } } msg(sprintf($this->getLang('deleted'), $this->delcounter), 1); } } /** * output html for the admin page */ public function html() { echo '

' . $this->getLang('menu') . '

'; echo ''; echo '

' . $this->locale_xhtml('intro') . '

'; } /** * Scans throu a namespace and count the deleted pages in $this->delcounter * * @param string $ns the namespace to search in * @param boolean $onlySmall only delete small changes on true * @param boolean $onlyNoComment don't delete changes with a comment on true */ protected function _scanNamespace($ns, $onlySmall = false, $onlyNoComment = false) { $this->delcounter = 0; $this->_scan($ns, $onlySmall, $onlyNoComment); } /** * Scans namespaces for deletable revisions * * @param string $ns the namespace to search in * @param boolean $onlySmall only delete small changes on true * @param boolean $onlyNoComment don't delete changes with a comment on true */ protected function _scan($ns = '', $onlySmall = false, $onlyNoComment = false) { $dir = preg_replace('/\.txt(\.gz)?/i', '', wikiFN($ns)); $dir = rtrim($dir, '/'); if (!is_dir($dir)) return; $dh = opendir($dir); if (!$dh) { echo 'error'; return; } while (($file = readdir($dh)) !== false) { if ($file == '.' || $file == '..') continue; if (is_dir($dir . '/' . $file)) { $this->_scan($ns . ':' . $file); continue; } if ($file[0] == '_') continue; if (substr($file, -4) == '.txt') { $name = substr($file, 0, -4); $this->_parseChangesFile(metaFN($ns . ':' . $name, '.changes'), $ns . ':' . $name, $onlySmall, $onlyNoComment); } } closedir($dh); } /** * Scans the recent changed files for changes * * @param int $num number of last changed files to scan * @param boolean $onlySmall only delete small changes on true * @param boolean $onlyNoComment don't delete changes with a comment on true */ public function _scanRecents($num = 30, $onlySmall = false, $onlyNoComment = false) { $recents = getRecents(0, $num); $this->delcounter = 0; foreach ($recents as $recent) { $this->_parseChangesFile(metaFN($recent['id'], '.changes'), $recent['id'], $onlySmall, $onlyNoComment); } } /** * Parses a .changes file for deletable pages and deletes them. * * @param string $file the path to the change file * @param string $page wiki pagename * @param boolean $onlySmall deletes only small changes * @param boolean $onlyNoComment deletes only entrys without a comment */ protected function _parseChangesFile($file, $page, $onlySmall = false, $onlyNoComment = false) { if (!is_file($file)) return; if (checklock($page)) return; lock($page); $content = file_get_contents($file); // get page informations $max = preg_match_all('/^([0-9]+)\s+?(\S+)\s+?([ECDR])\s+?(\S+)\s+?(\S*)\s+?(.*)$/im', $content, $match); if ($max <= 1) return; // set mark to creation entry $cmptime = $match[1][0] + 9999999999; $cmpuser = (empty($match[5][$max - 1])) ? $match[2][$max - 1] : $match[5][$max - 1]; // user or if not logged in ip $newcontent = ''; for ($i = $max - 1; $i >= 0; $i--) { $user = (empty($match[5][$i])) ? $match[2][$i] : $match[5][$i]; // user or if not logged in ip $time = $match[1][$i]; // Creations arnt touched if ($match[3][$i] != "E" && $match[3][$i] != "e") { $cmpuser = $user; $cmptime = $time; $newcontent = $this->_addLine($match, $i) . $newcontent; continue; } // if not the same user -> new mark and continue if ($user != $cmpuser) { $cmpuser = $user; $cmptime = $time; $newcontent = $this->_addLine($match, $i) . $newcontent; continue; } // if onlySmall is set we just want to handle the small matches if ($onlySmall && $match[3][$i] == 'E') { $cmpuser = $user; $cmptime = $time; $newcontent = $this->_addLine($match, $i) . $newcontent; continue; } // if onlyNoComment is set we pass all lines with a comment if ($onlyNoComment && trim($match[6][$i]) != '') { $cmpuser = $user; $cmptime = $time; $newcontent = $this->_addLine($match, $i) . $newcontent; continue; } // check the time difference between the entrys if ($cmptime - (60 * 60) < $time) { @unlink(wikiFN($match[4][$i], $time)); //try the original name @unlink(wikiFN($match[4][$max - 1], $time)); //try the latest name (move plugin) issue #1 $this->delcounter++; continue; } $cmptime = $time; $newcontent = $this->_addLine($match, $i) . $newcontent; } unlock($page); io_saveFile($file, $newcontent); } /** * Return a line from the set of regex matches, terminated with a newline char * * @param array $match * @param int $i * @return string */ protected function _addLine($match, $i) { return $match[0][$i] . "\n"; } }