function PlushSearch2() { global $scripturl, $modSettings, $sourcedir, $txt, $db_prefix, $db_connection; global $user_info, $ID_MEMBER, $context, $options, $messages_request, $boards_can; global $excludedWords, $participants, $func; // !!! Add spam protection. if (!empty($context['load_average']) && !empty($modSettings['loadavg_search']) && $context['load_average'] >= $modSettings['loadavg_search']) { fatal_lang_error('loadavg_search_disabled', false); } // No, no, no... this is a bit hard on the server, so don't you go prefetching it! if (isset($_SERVER['HTTP_X_MOZ']) && $_SERVER['HTTP_X_MOZ'] == 'prefetch') { ob_end_clean(); header('HTTP/1.1 403 Forbidden'); die; } $weight_factors = array('frequency', 'age', 'length', 'subject', 'first_message', 'sticky'); $weight = array(); $weight_total = 0; foreach ($weight_factors as $weight_factor) { $weight[$weight_factor] = empty($modSettings['search_weight_' . $weight_factor]) ? 0 : (int) $modSettings['search_weight_' . $weight_factor]; $weight_total += $weight[$weight_factor]; } // Zero weight. Weightless :P. if (empty($weight_total)) { fatal_lang_error('search_invalid_weights'); } // These vars don't require an interface, the're just here for tweaking. $recentPercentage = 0.3; $humungousTopicPosts = 200; $maxMembersToSearch = 500; $maxMessageResults = empty($modSettings['search_max_results']) ? 0 : $modSettings['search_max_results'] * 5; // Start with no errors. $context['search_errors'] = array(); // Number of pages hard maximum - normally not set at all. $modSettings['search_max_results'] = empty($modSettings['search_max_results']) ? 200 * $modSettings['search_results_per_page'] : (int) $modSettings['search_max_results']; loadLanguage('Search'); loadTemplate('Search'); // Are you allowed? isAllowedTo('search_posts'); require_once $sourcedir . '/Display.php'; if (!empty($modSettings['search_index']) && $modSettings['search_index'] == 'fulltext') { // Try to determine the minimum number of letters for a fulltext search. $request = db_query("\n\t\t\tSHOW VARIABLES\n\t\t\tLIKE 'ft_min_word_len'", false, false); if ($request !== false && mysql_num_rows($request) == 1) { list(, $min_word_length) = mysql_fetch_row($request); mysql_free_result($request); } else { $min_word_length = '4'; } // Some MySQL versions are superior to others :P. $canDoBooleanSearch = version_compare(mysql_get_server_info($db_connection), '4.0.1', '>=') == 1; // Get a list of banned fulltext words. $banned_words = empty($modSettings['search_banned_words']) ? array() : explode(',', addslashes($modSettings['search_banned_words'])); } elseif (!empty($modSettings['search_index']) && $modSettings['search_index'] == 'custom' && !empty($modSettings['search_custom_index_config'])) { $customIndexSettings = unserialize($modSettings['search_custom_index_config']); $min_word_length = $customIndexSettings['bytes_per_word']; $banned_words = empty($modSettings['search_stopwords']) ? array() : explode(',', addslashes($modSettings['search_stopwords'])); } else { $modSettings['search_index'] = ''; } // $search_params will carry all settings that differ from the default search parameters. // That way, the URLs involved in a search page will be kept as short as possible. $search_params = array(); if (isset($_REQUEST['params'])) { $temp_params = explode('|"|', base64_decode(strtr($_REQUEST['params'], array(' ' => '+')))); foreach ($temp_params as $i => $data) { @(list($k, $v) = explode('|\'|', $data)); $search_params[$k] = stripslashes($v); } if (isset($search_params['brd'])) { $search_params['brd'] = empty($search_params['brd']) ? array() : explode(',', $search_params['brd']); } } // Store whether simple search was used (needed if the user wants to do another query). if (!isset($search_params['advanced'])) { $search_params['advanced'] = empty($_REQUEST['advanced']) ? 0 : 1; } // 1 => 'allwords' (default, don't set as param) / 2 => 'anywords'. if (!empty($search_params['searchtype']) || !empty($_REQUEST['searchtype']) && $_REQUEST['searchtype'] == 2) { $search_params['searchtype'] = 2; } // Minimum age of messages. Default to zero (don't set param in that case). if (!empty($search_params['minage']) || !empty($_REQUEST['minage']) && $_REQUEST['minage'] > 0) { $search_params['minage'] = !empty($search_params['minage']) ? (int) $search_params['minage'] : (int) $_REQUEST['minage']; } // Maximum age of messages. Default to infinite (9999 days: param not set). if (!empty($search_params['maxage']) || !empty($_REQUEST['maxage']) && $_REQUEST['maxage'] != 9999) { $search_params['maxage'] = !empty($search_params['maxage']) ? (int) $search_params['maxage'] : (int) $_REQUEST['maxage']; } // Searching a specific topic? if (!empty($_REQUEST['topic'])) { $search_params['topic'] = (int) $_REQUEST['topic']; $search_params['show_complete'] = true; } elseif (!empty($search_params['topic'])) { $search_params['topic'] = (int) $search_params['topic']; } if (!empty($search_params['minage']) || !empty($search_params['maxage'])) { $request = db_query("\n\t\t\tSELECT " . (empty($search_params['maxage']) ? '0, ' : 'IFNULL(MIN(ID_MSG), -1), ') . (empty($search_params['minage']) ? '0' : 'IFNULL(MAX(ID_MSG), -1)') . "\n\t\t\tFROM {$db_prefix}messages\n\t\t\tWHERE " . (empty($search_params['minage']) ? '1' : 'posterTime <= ' . (time() - 86400 * $search_params['minage'])) . (empty($search_params['maxage']) ? '' : "\n\t\t\t\tAND posterTime >= " . (time() - 86400 * $search_params['maxage'])), __FILE__, __LINE__); list($minMsgID, $maxMsgID) = mysql_fetch_row($request); if ($minMsgID < 0 || $maxMsgID < 0) { $context['search_errors']['no_messages_in_time_frame'] = true; } mysql_free_result($request); } // Default the user name to a wildcard matching every user (*). if (!empty($search_params['userspec']) || !empty($_REQUEST['userspec']) && $_REQUEST['userspec'] != '*') { $search_params['userspec'] = isset($search_params['userspec']) ? $search_params['userspec'] : $_REQUEST['userspec']; } // If there's no specific user, then don't mention it in the main query. if (empty($search_params['userspec'])) { $userQuery = ''; } else { $userString = strtr(addslashes($func['htmlspecialchars'](stripslashes($search_params['userspec']), ENT_QUOTES)), array('"' => '"')); $userString = strtr($userString, array('%' => '\\%', '_' => '\\_', '*' => '%', '?' => '_')); preg_match_all('~"([^"]+)"~', $userString, $matches); $possible_users = array_merge($matches[1], explode(',', preg_replace('~"([^"]+)"~', '', $userString))); for ($k = 0, $n = count($possible_users); $k < $n; $k++) { $possible_users[$k] = trim($possible_users[$k]); if (strlen($possible_users[$k]) == 0) { unset($possible_users[$k]); } } // Retrieve a list of possible members. $request = db_query("\n\t\t\tSELECT ID_MEMBER\n\t\t\tFROM {$db_prefix}members\n\t\t\tWHERE realName LIKE '" . implode("' OR realName LIKE '", $possible_users) . "'", __FILE__, __LINE__); // Simply do nothing if there're too many members matching the criteria. if (mysql_num_rows($request) > $maxMembersToSearch) { $userQuery = ''; } elseif (mysql_num_rows($request) == 0) { $userQuery = "m.ID_MEMBER = 0 AND (m.posterName LIKE '" . implode("' OR m.posterName LIKE '", $possible_users) . "')"; } else { $memberlist = array(); while ($row = mysql_fetch_assoc($request)) { $memberlist[] = $row['ID_MEMBER']; } $userQuery = "(m.ID_MEMBER IN (" . implode(', ', $memberlist) . ") OR (m.ID_MEMBER = 0 AND (m.posterName LIKE '" . implode("' OR m.posterName LIKE '", $possible_users) . "')))"; } mysql_free_result($request); } // If the boards were passed by URL (params=), temporarily put them back in $_REQUEST. if (!empty($search_params['brd']) && is_array($search_params['brd'])) { $_REQUEST['brd'] = $search_params['brd']; } // Ensure that brd is an array. if (!empty($_REQUEST['brd']) && !is_array($_REQUEST['brd'])) { $_REQUEST['brd'] = strpos($_REQUEST['brd'], ',') !== false ? explode(',', $_REQUEST['brd']) : array($_REQUEST['brd']); } // Make sure all boards are integers. if (!empty($_REQUEST['brd'])) { foreach ($_REQUEST['brd'] as $id => $brd) { $_REQUEST['brd'][$id] = (int) $brd; } } // Special case for boards: searching just one topic? if (!empty($search_params['topic'])) { $request = db_query("\n\t\t\tSELECT b.ID_BOARD\n\t\t\tFROM ({$db_prefix}topics AS t, {$db_prefix}boards AS b)\n\t\t\tWHERE b.ID_BOARD = t.ID_BOARD\n\t\t\t\tAND t.ID_TOPIC = " . $search_params['topic'] . "\n\t\t\t\tAND {$user_info['query_see_board']}\n\t\t\tLIMIT 1", __FILE__, __LINE__); if (mysql_num_rows($request) == 0) { fatal_lang_error('topic_gone', false); } $search_params['brd'] = array(); list($search_params['brd'][0]) = mysql_fetch_row($request); mysql_free_result($request); } elseif ($user_info['is_admin'] && (!empty($search_params['advanced']) || !empty($_REQUEST['brd']))) { $search_params['brd'] = empty($_REQUEST['brd']) ? array() : $_REQUEST['brd']; } else { $request = db_query("\n\t\t\tSELECT b.ID_BOARD\n\t\t\tFROM {$db_prefix}boards AS b\n\t\t\tWHERE {$user_info['query_see_board']}" . (empty($_REQUEST['brd']) ? !empty($modSettings['recycle_enable']) && $modSettings['recycle_board'] > 0 ? "\n\t\t\t\tAND b.ID_BOARD != {$modSettings['recycle_board']}" : '' : "\n\t\t\t\tAND b.ID_BOARD IN (" . implode(', ', $_REQUEST['brd']) . ")"), __FILE__, __LINE__); $search_params['brd'] = array(); while ($row = mysql_fetch_assoc($request)) { $search_params['brd'][] = $row['ID_BOARD']; } mysql_free_result($request); // This error should pro'bly only happen for hackers. if (empty($search_params['brd'])) { $context['search_errors']['no_boards_selected'] = true; } } if (count($search_params['brd']) != 0) { // If we've selected all boards, this parameter can be left empty. $request = db_query("\n\t\t\tSELECT COUNT(*)\n\t\t\tFROM {$db_prefix}boards", __FILE__, __LINE__); list($num_boards) = mysql_fetch_row($request); mysql_free_result($request); if (count($search_params['brd']) == $num_boards) { $boardQuery = ''; } elseif (count($search_params['brd']) == $num_boards - 1 && !empty($modSettings['recycle_board']) && !in_array($modSettings['recycle_board'], $search_params['brd'])) { $boardQuery = '!= ' . $modSettings['recycle_board']; } else { $boardQuery = 'IN (' . implode(', ', $search_params['brd']) . ')'; } } else { $boardQuery = ''; } $search_params['show_complete'] = !empty($search_params['show_complete']) || !empty($_REQUEST['show_complete']); $search_params['subject_only'] = !empty($search_params['subject_only']) || !empty($_REQUEST['subject_only']); $context['compact'] = !$search_params['show_complete']; // Get the sorting parameters right. Default to sort by relevance descending. $sort_columns = array('relevance', 'numReplies', 'ID_MSG'); if (empty($search_params['sort']) && !empty($_REQUEST['sort'])) { list($search_params['sort'], $search_params['sort_dir']) = array_pad(explode('|', $_REQUEST['sort']), 2, ''); } $search_params['sort'] = !empty($search_params['sort']) && in_array($search_params['sort'], $sort_columns) ? $search_params['sort'] : 'relevance'; if (!empty($search_params['topic']) && $search_params['sort'] === 'numReplies') { $search_params['sort'] = 'ID_MSG'; } // Sorting direction: descending unless stated otherwise. $search_params['sort_dir'] = !empty($search_params['sort_dir']) && $search_params['sort_dir'] == 'asc' ? 'asc' : 'desc'; // Determine some values needed to calculate the relevance. $minMsg = (int) ((1 - $recentPercentage) * $modSettings['maxMsgID']); $recentMsg = $modSettings['maxMsgID'] - $minMsg; // *** Parse the search query // Unfortunately, searching for words like this is going to be slow, so we're blacklisting them. // !!! Setting to add more here? // !!! Maybe only blacklist if they are the only word, or "any" is used? $blacklisted_words = array('img', 'url', 'quote', 'www', 'http', 'the', 'is', 'it', 'are', 'if'); // What are we searching for? if (empty($search_params['search'])) { if (isset($_GET['search'])) { $search_params['search'] = un_htmlspecialchars($_GET['search']); } elseif (isset($_POST['search'])) { $search_params['search'] = stripslashes($_POST['search']); } else { $search_params['search'] = ''; } } // Nothing?? if (!isset($search_params['search']) || $search_params['search'] == '') { $context['search_errors']['invalid_search_string'] = true; } // Change non-word characters into spaces. $stripped_query = preg_replace('~([\\x0B\\0' . ($context['utf8'] ? $context['server']['complex_preg_chars'] ? '\\x{A0}' : pack('C*', 0xc2, 0xa0) : '\\xA0') . '\\t\\r\\s\\n(){}\\[\\]<>!@$%^*.,:+=`\\~\\?/\\\\]|&(amp|lt|gt|quot);)+~' . ($context['utf8'] ? 'u' : ''), ' ', $search_params['search']); // Make the query lower case. It's gonna be case insensitive anyway. $stripped_query = un_htmlspecialchars($func['strtolower']($stripped_query)); // This (hidden) setting will do fulltext searching in the most basic way. if (!empty($modSettings['search_simple_fulltext'])) { $stripped_query = strtr($stripped_query, array('"' => '')); } $no_regexp = preg_match('~&#(\\d{1,7}|x[0-9a-fA-F]{1,6});~', $stripped_query) === 1; // Extract phrase parts first (e.g. some words "this is a phrase" some more words.) preg_match_all('/(?:^|\\s)([-]?)"([^"]+)"(?:$|\\s)/', $stripped_query, $matches, PREG_PATTERN_ORDER); $phraseArray = $matches[2]; // Remove the phrase parts and extract the words. $wordArray = explode(' ', preg_replace('~(?:^|\\s)([-]?)"([^"]+)"(?:$|\\s)~' . ($context['utf8'] ? 'u' : ''), ' ', $stripped_query)); // A minus sign in front of a word excludes the word.... so... $excludedWords = array(); $excludedIndexWords = array(); $excludedSubjectWords = array(); $excludedPhrases = array(); // .. first, we check for things like -"some words", but not "-some words". foreach ($matches[1] as $index => $word) { if ($word === '-') { if (($word = trim($phraseArray[$index], '-_\' ')) !== '' && !in_array($word, $blacklisted_words)) { $excludedWords[] = addslashes($word); } unset($phraseArray[$index]); } } // Now we look for -test, etc.... normaller. foreach ($wordArray as $index => $word) { if (strpos(trim($word), '-') === 0) { if (($word = trim($word, '-_\' ')) !== '' && !in_array($word, $blacklisted_words)) { $excludedWords[] = addslashes($word); } unset($wordArray[$index]); } } // The remaining words and phrases are all included. $searchArray = array_merge($phraseArray, $wordArray); // Trim everything and make sure there are no words that are the same. foreach ($searchArray as $index => $value) { if (($searchArray[$index] = trim($value, '-_\' ')) === '' || in_array($searchArray[$index], $blacklisted_words)) { unset($searchArray[$index]); } else { $searchArray[$index] = addslashes($searchArray[$index]); } } $searchArray = array_slice(array_unique($searchArray), 0, 10); // Create an array of replacements for highlighting. $context['mark'] = array(); foreach ($searchArray as $word) { $context['mark'][$word] = '<b class="highlight">' . $word . '</b>'; } // Initialize two arrays storing the words that have to be searched for. $orParts = array(); $searchWords = array(); // Make sure at least one word is being searched for. if (empty($searchArray)) { $context['search_errors']['invalid_search_string'] = true; } elseif (empty($search_params['searchtype'])) { $orParts[0] = $searchArray; } else { foreach ($searchArray as $index => $value) { $orParts[$index] = array($value); } } // Make sure the excluded words are in all or-branches. foreach ($orParts as $orIndex => $andParts) { foreach ($excludedWords as $word) { $orParts[$orIndex][] = $word; } } // Determine the or-branches and the fulltext search words. foreach ($orParts as $orIndex => $andParts) { $searchWords[$orIndex] = array('indexed_words' => array(), 'words' => array(), 'subject_words' => array(), 'all_words' => array()); // Sort the indexed words (large words -> small words -> excluded words). if (!empty($modSettings['search_index'])) { usort($orParts[$orIndex], 'searchSort'); } foreach ($orParts[$orIndex] as $word) { $is_excluded = in_array($word, $excludedWords); $searchWords[$orIndex]['all_words'][] = $word; $subjectWords = text2words(stripslashes($word)); if (!$is_excluded || count($subjectWords) === 1) { $searchWords[$orIndex]['subject_words'] = array_merge($searchWords[$orIndex]['subject_words'], $subjectWords); if ($is_excluded) { $excludedSubjectWords = array_merge($excludedSubjectWords, $subjectWords); } } else { $excludedPhrases[] = $word; } if (!empty($modSettings['search_index'])) { $subwords = text2words(stripslashes($word), $modSettings['search_index'] === 'fulltext' ? null : $min_word_length, $modSettings['search_index'] === 'custom'); if (($modSettings['search_index'] === 'custom' || $modSettings['search_index'] === 'fulltext' && !$canDoBooleanSearch && count($subwords) > 1) && empty($modSettings['search_force_index'])) { $searchWords[$orIndex]['words'][] = $word; } if ($modSettings['search_index'] === 'fulltext' && $canDoBooleanSearch) { $fulltextWord = count($subwords) === 1 ? $word : '"' . $word . '"'; $searchWords[$orIndex]['indexed_words'][] = $fulltextWord; if ($is_excluded) { $excludedIndexWords[] = $fulltextWord; } } elseif (count($subwords) > 1 && $is_excluded) { continue; } else { $relyOnIndex = true; foreach ($subwords as $subword) { if (($modSettings['search_index'] === 'custom' || strlen(stripslashes($subword)) >= $min_word_length) && !in_array($subword, $banned_words)) { $searchWords[$orIndex]['indexed_words'][] = $subword; if ($is_excluded) { $excludedIndexWords[] = $subword; } } elseif (!in_array($subword, $banned_words)) { $relyOnIndex = false; } } if ($modSettings['search_index'] === 'fulltext' && $canDoBooleanSearch && !$relyOnIndex && empty($modSettings['search_force_index'])) { $searchWords[$orIndex]['words'][] = $word; } } } } // Search_force_index requires all AND parts to have at least one fulltext word. if (!empty($modSettings['search_force_index']) && empty($searchWords[$orIndex]['indexed_words'])) { $context['search_errors']['query_not_specific_enough'] = true; break; } else { $searchWords[$orIndex]['indexed_words'] = array_slice($searchWords[$orIndex]['indexed_words'], 0, 7); $searchWords[$orIndex]['subject_words'] = array_slice($searchWords[$orIndex]['subject_words'], 0, 7); } } // *** Spell checking $context['show_spellchecking'] = !empty($modSettings['enableSpellChecking']) && function_exists('pspell_new'); if ($context['show_spellchecking']) { // Windows fix. ob_start(); $old = error_reporting(0); pspell_new('en'); $pspell_link = pspell_new($txt['lang_dictionary'], $txt['lang_spelling'], '', strtr($txt['lang_character_set'], array('iso-' => 'iso', 'ISO-' => 'iso')), PSPELL_FAST | PSPELL_RUN_TOGETHER); error_reporting($old); if (!$pspell_link) { $pspell_link = pspell_new('en', '', '', '', PSPELL_FAST | PSPELL_RUN_TOGETHER); } ob_end_clean(); $did_you_mean = array('search' => array(), 'display' => array()); $found_misspelling = false; foreach ($searchArray as $word) { if (empty($pspell_link)) { continue; } $word = stripslashes($word); // Don't check phrases. if (preg_match('~^\\w+$~', $word) === 0) { $did_you_mean['search'][] = '"' . $word . '"'; $did_you_mean['display'][] = '"' . $func['htmlspecialchars']($word) . '"'; continue; } elseif (preg_match('~\\d~', $word) === 1) { $did_you_mean['search'][] = $word; $did_you_mean['display'][] = $func['htmlspecialchars']($word); continue; } elseif (pspell_check($pspell_link, $word)) { $did_you_mean['search'][] = $word; $did_you_mean['display'][] = $func['htmlspecialchars']($word); continue; } $suggestions = pspell_suggest($pspell_link, $word); foreach ($suggestions as $i => $s) { // Search is case insensitive. if ($func['strtolower']($s) == $func['strtolower']($word)) { unset($suggestions[$i]); } } // Anything found? If so, correct it! if (!empty($suggestions)) { $suggestions = array_values($suggestions); $did_you_mean['search'][] = $suggestions[0]; $did_you_mean['display'][] = '<em><b>' . $func['htmlspecialchars']($suggestions[0]) . '</b></em>'; $found_misspelling = true; } else { $did_you_mean['search'][] = $word; $did_you_mean['display'][] = $func['htmlspecialchars']($word); } } if ($found_misspelling) { // Don't spell check excluded words, but add them still... $temp_excluded = array('search' => array(), 'display' => array()); foreach ($excludedWords as $word) { $word = stripslashes($word); if (preg_match('~^\\w+$~', $word) == 0) { $temp_excluded['search'][] = '-"' . $word . '"'; $temp_excluded['display'][] = '-"' . $func['htmlspecialchars']($word) . '"'; } else { $temp_excluded['search'][] = '-' . $word; $temp_excluded['display'][] = '-' . $func['htmlspecialchars']($word); } } $did_you_mean['search'] = array_merge($did_you_mean['search'], $temp_excluded['search']); $did_you_mean['display'] = array_merge($did_you_mean['display'], $temp_excluded['display']); $temp_params = $search_params; $temp_params['search'] = implode(' ', $did_you_mean['search']); if (isset($temp_params['brd'])) { $temp_params['brd'] = implode(',', $temp_params['brd']); } $context['params'] = array(); foreach ($temp_params as $k => $v) { $context['did_you_mean_params'][] = $k . '|\'|' . addslashes($v); } $context['did_you_mean_params'] = base64_encode(implode('|"|', $context['did_you_mean_params'])); $context['did_you_mean'] = implode(' ', $did_you_mean['display']); } } // Let the user adjust the search query, should they wish? $context['search_params'] = $search_params; if (isset($context['search_params']['search'])) { $context['search_params']['search'] = $func['htmlspecialchars']($context['search_params']['search']); } if (isset($context['search_params']['userspec'])) { $context['search_params']['userspec'] = $func['htmlspecialchars']($context['search_params']['userspec']); } // *** Encode all search params // All search params have been checked, let's compile them to a single string... made less simple by PHP 4.3.9 and below. $temp_params = $search_params; if (isset($temp_params['brd'])) { $temp_params['brd'] = implode(',', $temp_params['brd']); } $context['params'] = array(); foreach ($temp_params as $k => $v) { $context['params'][] = $k . '|\'|' . addslashes($v); } $context['params'] = base64_encode(implode('|"|', $context['params'])); // ... and add the links to the link tree. $context['linktree'][] = array('url' => $scripturl . '?action=search;params=' . $context['params'], 'name' => $txt[182]); $context['linktree'][] = array('url' => $scripturl . '?action=search2;params=' . $context['params'], 'name' => $txt['search_results']); // *** A last error check // One or more search errors? Go back to the first search screen. if (!empty($context['search_errors'])) { $_REQUEST['params'] = $context['params']; return PlushSearch1(); } /* // !!! This doesn't seem too urgent anymore. Can we remove it? if (!empty($modSettings['cache_enable']) && $modSettings['cache_enable'] >= 2) { // !!! Change error message... if (cache_get_data('search_start:' . ($user_info['is_guest'] ? $user_info['ip'] : $ID_MEMBER), 90) == 1) fatal_lang_error('loadavg_search_disabled', false); cache_put_data('search_start:' . ($user_info['is_guest'] ? $user_info['ip'] : $ID_MEMBER), 1, 90); }*/ // *** Reserve an ID for caching the search results. // Update the cache if the current search term is not yet cached. if (empty($_SESSION['search_cache']) || $_SESSION['search_cache']['params'] != $context['params']) { // Increase the pointer... $modSettings['search_pointer'] = empty($modSettings['search_pointer']) ? 0 : (int) $modSettings['search_pointer']; // ...and store it right off. updateSettings(array('search_pointer' => $modSettings['search_pointer'] >= 255 ? 0 : $modSettings['search_pointer'] + 1)); // As long as you don't change the parameters, the cache result is yours. $_SESSION['search_cache'] = array('ID_SEARCH' => $modSettings['search_pointer'], 'num_results' => -1, 'params' => $context['params']); // Clear the previous cache of the final results cache. db_query("\n\t\t\tDELETE FROM {$db_prefix}log_search_results\n\t\t\tWHERE ID_SEARCH = " . $_SESSION['search_cache']['ID_SEARCH'], __FILE__, __LINE__); if ($search_params['subject_only']) { foreach ($searchWords as $orIndex => $words) { $subject_query = array('from' => array("{$db_prefix}topics AS t"), 'left_join' => array(), 'where' => array()); $numTables = 0; $prev_join = 0; $numSubjectResults = 0; foreach ($words['subject_words'] as $subjectWord) { $numTables++; if (in_array($subjectWord, $excludedSubjectWords)) { $subject_query['left_join'][] = "{$db_prefix}log_search_subjects AS subj{$numTables} ON (subj{$numTables}.word " . (empty($modSettings['search_match_words']) ? "LIKE '%{$subjectWord}%'" : "= '{$subjectWord}'") . " AND subj{$numTables}.ID_TOPIC = t.ID_TOPIC)"; $subject_query['where'][] = "(subj{$numTables}.word IS NULL)"; } else { $subject_query['from'][] = "{$db_prefix}log_search_subjects AS subj{$numTables}"; $subject_query['where'][] = "subj{$numTables}.word " . (empty($modSettings['search_match_words']) ? "LIKE '%{$subjectWord}%'" : "= '{$subjectWord}'"); $subject_query['where'][] = "subj{$numTables}.ID_TOPIC = " . ($prev_join === 0 ? 't' : 'subj' . $prev_join) . '.ID_TOPIC'; $prev_join = $numTables; } } if (!empty($userQuery)) { if (!in_array("{$db_prefix}messages AS m", $subject_query['from'])) { $subject_query['from'][] = "{$db_prefix}messages AS m"; $subject_query['where'][] = 'm.ID_TOPIC = t.ID_TOPIC'; } $subject_query['where'][] = $userQuery; } if (!empty($search_params['topic'])) { $subject_query['where'][] = 't.ID_TOPIC = ' . $search_params['topic']; } if (!empty($minMsgID)) { $subject_query['where'][] = 't.ID_FIRST_MSG >= ' . $minMsgID; } if (!empty($maxMsgID)) { $subject_query['where'][] = 't.ID_LAST_MSG <= ' . $maxMsgID; } if (!empty($boardQuery)) { $subject_query['where'][] = 't.ID_BOARD ' . $boardQuery; } if (!empty($excludedPhrases)) { if (!in_array("{$db_prefix}messages AS m", $subject_query['from'])) { $subject_query['from'][] = "{$db_prefix}messages AS m"; $subject_query['where'][] = 'm.ID_MSG = t.ID_FIRST_MSG'; } foreach ($excludedPhrases as $phrase) { $subject_query['where'][] = 'm.subject NOT ' . (empty($modSettings['search_match_words']) || $no_regexp ? " LIKE '%" . strtr($phrase, array('_' => '\\_', '%' => '\\%')) . "%'" : " RLIKE '[[:<:]]" . addcslashes(preg_replace(array('/([\\[\\]$.+*?|{}()])/'), array('[$1]'), $phrase), '\\\'') . "[[:>:]]'"); } } db_query("\n\t\t\t\t\tINSERT IGNORE INTO {$db_prefix}log_search_results\n\t\t\t\t\t\t(ID_SEARCH, ID_TOPIC, relevance, ID_MSG, num_matches)\n\t\t\t\t\tSELECT \n\t\t\t\t\t\t" . $_SESSION['search_cache']['ID_SEARCH'] . ",\n\t\t\t\t\t\tt.ID_TOPIC,\n\t\t\t\t\t\t1000 * (\n\t\t\t\t\t\t\t{$weight['frequency']} / (t.numReplies + 1) +\n\t\t\t\t\t\t\t{$weight['age']} * IF(t.ID_FIRST_MSG < {$minMsg}, 0, (t.ID_FIRST_MSG - {$minMsg}) / {$recentMsg}) +\n\t\t\t\t\t\t\t{$weight['length']} * IF(t.numReplies < {$humungousTopicPosts}, t.numReplies / {$humungousTopicPosts}, 1) +\n\t\t\t\t\t\t\t{$weight['subject']} +\n\t\t\t\t\t\t\t{$weight['sticky']} * t.isSticky\n\t\t\t\t\t\t) / {$weight_total} AS relevance,\n\t\t\t\t\t\t" . (empty($userQuery) ? 't.ID_FIRST_MSG' : 'm.ID_MSG') . ",\n\t\t\t\t\t\t1\n\t\t\t\t\tFROM (" . implode(', ', $subject_query['from']) . ')' . (empty($subject_query['left_join']) ? '' : "\n\t\t\t\t\t\tLEFT JOIN " . implode("\n\t\t\t\t\t\tLEFT JOIN ", $subject_query['left_join'])) . "\n\t\t\t\t\tWHERE " . implode("\n\t\t\t\t\t\tAND ", $subject_query['where']) . (empty($modSettings['search_max_results']) ? '' : "\n\t\t\t\t\tLIMIT " . ($modSettings['search_max_results'] - $numSubjectResults)), __FILE__, __LINE__); $numSubjectResults += db_affected_rows(); if (!empty($modSettings['search_max_results']) && $numSubjectResults >= $modSettings['search_max_results']) { break; } } $_SESSION['search_cache']['num_results'] = $numSubjectResults; } else { $main_query = array('select' => array('ID_SEARCH' => $_SESSION['search_cache']['ID_SEARCH'], 'relevance' => '0'), 'weights' => array(), 'from' => array("{$db_prefix}topics AS t", "{$db_prefix}messages AS m"), 'left_join' => array(), 'where' => array('t.ID_TOPIC = m.ID_TOPIC'), 'group_by' => array()); if (empty($search_params['topic'])) { $main_query['select']['ID_TOPIC'] = 't.ID_TOPIC'; $main_query['select']['ID_MSG'] = 'MAX(m.ID_MSG) AS ID_MSG'; $main_query['select']['num_matches'] = 'COUNT(*) AS num_matches'; $main_query['weights'] = array('frequency' => 'COUNT(*) / (t.numReplies + 1)', 'age' => "IF(MAX(m.ID_MSG) < {$minMsg}, 0, (MAX(m.ID_MSG) - {$minMsg}) / {$recentMsg})", 'length' => "IF(t.numReplies < {$humungousTopicPosts}, t.numReplies / {$humungousTopicPosts}, 1)", 'subject' => '0', 'first_message' => "IF(MIN(m.ID_MSG) = t.ID_FIRST_MSG, 1, 0)", 'sticky' => 't.isSticky'); $main_query['group_by'][] = 't.ID_TOPIC'; } else { // This is outrageous! $main_query['select']['ID_TOPIC'] = 'm.ID_MSG AS ID_TOPIC'; $main_query['select']['ID_MSG'] = 'm.ID_MSG'; $main_query['select']['num_matches'] = '1 AS num_matches'; $main_query['weights'] = array('age' => "((m.ID_MSG - t.ID_FIRST_MSG) / IF(t.ID_LAST_MSG = t.ID_FIRST_MSG, 1, t.ID_LAST_MSG - t.ID_FIRST_MSG))", 'first_message' => "IF(m.ID_MSG = t.ID_FIRST_MSG, 1, 0)"); $main_query['where'][] = 't.ID_TOPIC = ' . $search_params['topic']; } // *** Get the subject results. $numSubjectResults = 0; if (empty($search_params['topic'])) { // Create a temporary table to store some preliminary results in. db_query("\n\t\t\t\t\tDROP TABLE IF EXISTS {$db_prefix}tmp_log_search_topics", __FILE__, __LINE__); $createTemporary = db_query("\n\t\t\t\t\tCREATE TEMPORARY TABLE {$db_prefix}tmp_log_search_topics (\n\t\t\t\t\t\tID_TOPIC mediumint(8) unsigned NOT NULL default '0',\n\t\t\t\t\t\tPRIMARY KEY (ID_TOPIC)\n\t\t\t\t\t) TYPE=HEAP", false, false) !== false; // Clean up some previous cache. if (!$createTemporary) { db_query("\n\t\t\t\t\t\tDELETE FROM {$db_prefix}log_search_topics\n\t\t\t\t\t\tWHERE ID_SEARCH = " . $_SESSION['search_cache']['ID_SEARCH'], __FILE__, __LINE__); } foreach ($searchWords as $orIndex => $words) { $subject_query = array('from' => array("{$db_prefix}topics AS t"), 'left_join' => array(), 'where' => array()); $numTables = 0; $prev_join = 0; foreach ($words['subject_words'] as $subjectWord) { $numTables++; if (in_array($subjectWord, $excludedSubjectWords)) { if (!in_array("{$db_prefix}messages AS m", $subject_query['from'])) { $subject_query['from'][] = "{$db_prefix}messages AS m"; $subject_query['where'][] = 'm.ID_MSG = t.ID_FIRST_MSG'; } $subject_query['left_join'][] = "{$db_prefix}log_search_subjects AS subj{$numTables} ON (subj{$numTables}.word " . (empty($modSettings['search_match_words']) ? "LIKE '%{$subjectWord}%'" : "= '{$subjectWord}'") . " AND subj{$numTables}.ID_TOPIC = t.ID_TOPIC)"; $subject_query['where'][] = "(subj{$numTables}.word IS NULL)"; $subject_query['where'][] = 'm.body NOT ' . (empty($modSettings['search_match_words']) || $no_regexp ? " LIKE '%" . strtr($subjectWord, array('_' => '\\_', '%' => '\\%')) . "%'" : " RLIKE '[[:<:]]" . addcslashes(preg_replace(array('/([\\[\\]$.+*?|{}()])/'), array('[$1]'), $subjectWord), '\\\'') . "[[:>:]]'"); } else { $subject_query['from'][] = "{$db_prefix}log_search_subjects AS subj{$numTables}"; $subject_query['where'][] = "subj{$numTables}.word " . (empty($modSettings['search_match_words']) ? "LIKE '%{$subjectWord}%'" : "= '{$subjectWord}'"); $subject_query['where'][] = "subj{$numTables}.ID_TOPIC = " . ($prev_join === 0 ? 't' : 'subj' . $prev_join) . '.ID_TOPIC'; $prev_join = $numTables; } } if (!empty($userQuery)) { if (!in_array("{$db_prefix}messages AS m", $subject_query['from'])) { $subject_query['from'][] = "{$db_prefix}messages AS m"; $subject_query['where'][] = 'm.ID_MSG = t.ID_FIRST_MSG'; } $subject_query['where'][] = $userQuery; } if (!empty($search_params['topic'])) { $subject_query['where'][] = 't.ID_TOPIC = ' . $search_params['topic']; } if (!empty($minMsgID)) { $subject_query['where'][] = 't.ID_FIRST_MSG >= ' . $minMsgID; } if (!empty($maxMsgID)) { $subject_query['where'][] = 't.ID_LAST_MSG <= ' . $maxMsgID; } if (!empty($boardQuery)) { $subject_query['where'][] = 't.ID_BOARD ' . $boardQuery; } if (!empty($excludedPhrases)) { if (!in_array("{$db_prefix}messages AS m", $subject_query['from'])) { $subject_query['from'][] = "{$db_prefix}messages AS m"; $subject_query['where'][] = 'm.ID_MSG = t.ID_FIRST_MSG'; } foreach ($excludedPhrases as $phrase) { $subject_query['where'][] = 'm.subject NOT ' . (empty($modSettings['search_match_words']) || $no_regexp ? " LIKE '%" . strtr($phrase, array('_' => '\\_', '%' => '\\%')) . "%'" : " RLIKE '[[:<:]]" . addcslashes(preg_replace(array('/([\\[\\]$.+*?|{}()])/'), array('[$1]'), $phrase), '\\\'') . "[[:>:]]'"); $subject_query['where'][] = 'm.body NOT ' . (empty($modSettings['search_match_words']) || $no_regexp ? " LIKE '%" . strtr($phrase, array('_' => '\\_', '%' => '\\%')) . "%'" : " RLIKE '[[:<:]]" . addcslashes(preg_replace(array('/([\\[\\]$.+*?|{}()])/'), array('[$1]'), $phrase), '\\\'') . "[[:>:]]'"); } } db_query("\n\t\t\t\t\t\tINSERT IGNORE INTO {$db_prefix}" . ($createTemporary ? 'tmp_' : '') . "log_search_topics\n\t\t\t\t\t\t\t(" . ($createTemporary ? '' : 'ID_SEARCH, ') . "ID_TOPIC)\n\t\t\t\t\t\tSELECT " . ($createTemporary ? '' : $_SESSION['search_cache']['ID_SEARCH'] . ', ') . "t.ID_TOPIC\n\t\t\t\t\t\tFROM (" . implode(', ', $subject_query['from']) . ')' . (empty($subject_query['left_join']) ? '' : "\n\t\t\t\t\t\t\tLEFT JOIN " . implode("\n\t\t\t\t\t\t\tLEFT JOIN ", $subject_query['left_join'])) . "\n\t\t\t\t\t\tWHERE " . implode("\n\t\t\t\t\t\t\tAND ", $subject_query['where']) . (empty($modSettings['search_max_results']) ? '' : "\n\t\t\t\t\t\tLIMIT " . ($modSettings['search_max_results'] - $numSubjectResults)), __FILE__, __LINE__); $numSubjectResults += db_affected_rows(); if (!empty($modSettings['search_max_results']) && $numSubjectResults >= $modSettings['search_max_results']) { break; } } if ($numSubjectResults !== 0) { $main_query['weights']['subject'] = 'IF(lst.ID_TOPIC IS NULL, 0, 1)'; $main_query['left_join'][] = "{$db_prefix}" . ($createTemporary ? 'tmp_' : '') . "log_search_topics AS lst ON (" . ($createTemporary ? '' : 'lst.ID_SEARCH = ' . $_SESSION['search_cache']['ID_SEARCH'] . ' AND ') . "lst.ID_TOPIC = t.ID_TOPIC)"; } } $indexedResults = 0; if (!empty($modSettings['search_index'])) { db_query("\n\t\t\t\t\tDROP TABLE IF EXISTS {$db_prefix}tmp_log_search_messages", __FILE__, __LINE__); $createTemporary = db_query("\n\t\t\t\t\tCREATE TEMPORARY TABLE {$db_prefix}tmp_log_search_messages (\n\t\t\t\t\t\tID_MSG int(10) unsigned NOT NULL default '0',\n\t\t\t\t\t\tPRIMARY KEY (ID_MSG)\n\t\t\t\t\t) TYPE=HEAP", false, false) !== false; if (!$createTemporary) { db_query("\n\t\t\t\t\t\tDELETE FROM {$db_prefix}log_search_messages\n\t\t\t\t\t\tWHERE ID_SEARCH = " . $_SESSION['search_cache']['ID_SEARCH'], __FILE__, __LINE__); } foreach ($searchWords as $orIndex => $words) { // *** Do the fulltext search. if (!empty($words['indexed_words']) && $modSettings['search_index'] == 'fulltext') { $fulltext_query = array('insert_into' => $db_prefix . ($createTemporary ? 'tmp_' : '') . 'log_search_messages', 'select' => array('ID_MSG' => 'ID_MSG'), 'where' => array()); if (!$createTemporary) { $fulltext_query['select']['ID_SEARCH'] = $_SESSION['search_cache']['ID_SEARCH']; } if (empty($modSettings['search_simple_fulltext'])) { foreach ($words['words'] as $regularWord) { $fulltext_query['where'][] = 'body' . (in_array($regularWord, $excludedWords) ? ' NOT' : '') . (empty($modSettings['search_match_words']) || $no_regexp ? " LIKE '%" . strtr($regularWord, array('_' => '\\_', '%' => '\\%')) . "%'" : " RLIKE '[[:<:]]" . addcslashes(preg_replace(array('/([\\[\\]$.+*?|{}()])/'), array('[$1]'), $regularWord), '\\\'') . "[[:>:]]'"); } } if (!empty($userQuery)) { $fulltext_query['where'][] = strtr($userQuery, array('m.' => '')); } if (!empty($search_params['topic'])) { $fulltext_query['where'][] = 'ID_TOPIC = ' . $search_params['topic']; } if (!empty($minMsgID)) { $fulltext_query['where'][] = 'ID_MSG >= ' . $minMsgID; } if (!empty($maxMsgID)) { $fulltext_query['where'][] = 'ID_MSG <= ' . $maxMsgID; } if (!empty($boardQuery)) { $fulltext_query['where'][] = 'ID_BOARD ' . $boardQuery; } if (!empty($excludedPhrases) && empty($modSettings['search_force_index'])) { foreach ($excludedPhrases as $phrase) { $fulltext_query['where'][] = 'subject NOT ' . (empty($modSettings['search_match_words']) || $no_regexp ? " LIKE '%" . strtr($phrase, array('_' => '\\_', '%' => '\\%')) . "%'" : " RLIKE '[[:<:]]" . addcslashes(preg_replace(array('/([\\[\\]$.+*?|{}()])/'), array('[$1]'), $phrase), '\\\'') . "[[:>:]]'"); } } if (!empty($excludedSubjectWords) && empty($modSettings['search_force_index'])) { foreach ($excludedSubjectWords as $excludedWord) { $fulltext_query['where'][] = 'subject NOT ' . (empty($modSettings['search_match_words']) || $no_regexp ? " LIKE '%" . strtr($excludedWord, array('_' => '\\_', '%' => '\\%')) . "%'" : " RLIKE '[[:<:]]" . addcslashes(preg_replace(array('/([\\[\\]$.+*?|{}()])/'), array('[$1]'), $excludedWord), '\\\'') . "[[:>:]]'"); } } if (!empty($modSettings['search_simple_fulltext'])) { $fulltext_query['where'][] = "MATCH (body) AGAINST ('" . implode(' ', array_diff($words['indexed_words'], $excludedIndexWords)) . "')"; } elseif ($canDoBooleanSearch) { $where = "MATCH (body) AGAINST ('"; foreach ($words['indexed_words'] as $fulltextWord) { $where .= (in_array($fulltextWord, $excludedIndexWords) ? '-' : '+') . $fulltextWord . ' '; } $fulltext_query['where'][] = substr($where, 0, -1) . "' IN BOOLEAN MODE)"; } else { foreach ($words['indexed_words'] as $fulltextWord) { $fulltext_query['where'][] = (in_array($fulltextWord, $excludedIndexWords) ? 'NOT ' : '') . "MATCH (body) AGAINST ('{$fulltextWord}')"; } } db_query("\n\t\t\t\t\t\t\tINSERT IGNORE INTO {$fulltext_query['insert_into']}\n\t\t\t\t\t\t\t\t(" . implode(', ', array_keys($fulltext_query['select'])) . ")\n\t\t\t\t\t\t\tSELECT " . implode(', ', $fulltext_query['select']) . "\n\t\t\t\t\t\t\tFROM {$db_prefix}messages\n\t\t\t\t\t\t\tWHERE " . implode("\n\t\t\t\t\t\t\t\tAND ", $fulltext_query['where']) . (empty($maxMessageResults) ? '' : "\n\t\t\t\t\t\t\tLIMIT " . ($maxMessageResults - $indexedResults)), __FILE__, __LINE__); $indexedResults += db_affected_rows(); if (!empty($maxMessageResults) && $indexedResults >= $maxMessageResults) { break; } } elseif (!empty($words['indexed_words']) && $modSettings['search_index'] == 'custom') { $custom_query = array('insert_into' => $db_prefix . ($createTemporary ? 'tmp_' : '') . 'log_search_messages', 'select' => array('ID_MSG' => 'm.ID_MSG'), 'from' => array("{$db_prefix}messages AS m"), 'left_join' => array(), 'where' => array()); if (!$createTemporary) { $custom_query['select']['ID_SEARCH'] = $_SESSION['search_cache']['ID_SEARCH']; } foreach ($words['words'] as $regularWord) { $custom_query['where'][] = 'm.body' . (in_array($regularWord, $excludedWords) ? ' NOT' : '') . (empty($modSettings['search_match_words']) || $no_regexp ? " LIKE '%" . strtr($regularWord, array('_' => '\\_', '%' => '\\%')) . "%'" : " RLIKE '[[:<:]]" . addcslashes(preg_replace(array('/([\\[\\]$.+*?|{}()])/'), array('[$1]'), $regularWord), '\\\'') . "[[:>:]]'"); } if (!empty($userQuery)) { $custom_query['where'][] = $userQuery; } if (!empty($search_params['topic'])) { $custom_query['where'][] = 'm.ID_TOPIC = ' . $search_params['topic']; } if (!empty($minMsgID)) { $custom_query['where'][] = 'm.ID_MSG >= ' . $minMsgID; } if (!empty($maxMsgID)) { $custom_query['where'][] = 'm.ID_MSG <= ' . $maxMsgID; } if (!empty($boardQuery)) { $custom_query['where'][] = 'm.ID_BOARD ' . $boardQuery; } if (!empty($excludedPhrases) && empty($modSettings['search_force_index'])) { foreach ($excludedPhrases as $phrase) { $fulltext_query['where'][] = 'subject NOT ' . (empty($modSettings['search_match_words']) || $no_regexp ? " LIKE '%" . strtr($phrase, array('_' => '\\_', '%' => '\\%')) . "%'" : " RLIKE '[[:<:]]" . addcslashes(preg_replace(array('/([\\[\\]$.+*?|{}()])/'), array('[$1]'), $phrase), '\\\'') . "[[:>:]]'"); } } if (!empty($excludedSubjectWords) && empty($modSettings['search_force_index'])) { foreach ($excludedSubjectWords as $excludedWord) { $fulltext_query['where'][] = 'subject NOT ' . (empty($modSettings['search_match_words']) || $no_regexp ? " LIKE '%" . strtr($excludedWord, array('_' => '\\_', '%' => '\\%')) . "%'" : " RLIKE '[[:<:]]" . addcslashes(preg_replace(array('/([\\[\\]$.+*?|{}()])/'), array('[$1]'), $excludedWord), '\\\'') . "[[:>:]]'"); } } $numTables = 0; $prev_join = 0; foreach ($words['indexed_words'] as $indexedWord) { $numTables++; if (in_array($indexedWord, $excludedIndexWords)) { $custom_query['left_join'][] = "{$db_prefix}log_search_words AS lsw{$numTables} ON (lsw{$numTables}.ID_WORD = {$indexedWord} AND lsw{$numTables}.ID_MSG = m.ID_MSG)"; $custom_query['where'][] = "(lsw{$numTables}.ID_WORD IS NULL)"; } else { $custom_query['from'][] = "{$db_prefix}log_search_words AS lsw{$numTables}"; $custom_query['where'][] = "lsw{$numTables}.ID_WORD = {$indexedWord}"; $custom_query['where'][] = "lsw{$numTables}.ID_MSG = " . ($prev_join === 0 ? 'm' : 'lsw' . $prev_join) . '.ID_MSG'; $prev_join = $numTables; } } db_query("\n\t\t\t\t\t\t\tINSERT IGNORE INTO {$custom_query['insert_into']}\n\t\t\t\t\t\t\t\t(" . implode(', ', array_keys($custom_query['select'])) . ")\n\t\t\t\t\t\t\tSELECT " . implode(', ', $custom_query['select']) . "\n\t\t\t\t\t\t\tFROM (" . implode(', ', $custom_query['from']) . ')' . (empty($custom_query['left_join']) ? '' : "\n\t\t\t\t\t\t\t\tLEFT JOIN " . implode("\n\t\t\t\t\t\t\t\tLEFT JOIN ", $custom_query['left_join'])) . "\n\t\t\t\t\t\t\tWHERE " . implode("\n\t\t\t\t\t\t\t\tAND ", $custom_query['where']) . (empty($maxMessageResults) ? '' : "\n\t\t\t\t\t\t\tLIMIT " . ($maxMessageResults - $indexedResults)), __FILE__, __LINE__); $indexedResults += db_affected_rows(); if (!empty($maxMessageResults) && $indexedResults >= $maxMessageResults) { break; } } } if (empty($indexedResults) && empty($numSubjectResults) && !empty($modSettings['search_force_index'])) { $context['search_errors']['query_not_specific_enough'] = true; $_REQUEST['params'] = $context['params']; return PlushSearch1(); } elseif (!empty($indexedResults)) { $main_query['from'][] = $db_prefix . ($createTemporary ? 'tmp_' : '') . 'log_search_messages AS lsm'; $main_query['where'][] = 'lsm.ID_MSG = m.ID_MSG'; if (!$createTemporary) { $main_query['where'][] = 'lsm.ID_SEARCH = ' . $_SESSION['search_cache']['ID_SEARCH']; } } } else { $orWhere = array(); foreach ($searchWords as $orIndex => $words) { $where = array(); foreach ($words['all_words'] as $regularWord) { $where[] = 'm.body' . (in_array($regularWord, $excludedWords) ? ' NOT' : '') . (empty($modSettings['search_match_words']) || $no_regexp ? " LIKE '%" . strtr($regularWord, array('_' => '\\_', '%' => '\\%')) . "%'" : " RLIKE '[[:<:]]" . addcslashes(preg_replace(array('/([\\[\\]$.+*?|{}()])/'), array('[$1]'), $regularWord), '\\\'') . "[[:>:]]'"); if (in_array($regularWord, $excludedWords)) { $where[] = 'm.subject NOT' . (empty($modSettings['search_match_words']) || $no_regexp ? " LIKE '%" . strtr($regularWord, array('_' => '\\_', '%' => '\\%')) . "%'" : " RLIKE '[[:<:]]" . addcslashes(preg_replace(array('/([\\[\\]$.+*?|{}()])/'), array('[$1]'), $regularWord), '\\\'') . "[[:>:]]'"); } } if (!empty($where)) { $orWhere[] = count($where) > 1 ? '(' . implode(' AND ', $where) . ')' : $where[0]; } } if (!empty($orWhere)) { $main_query['where'][] = count($orWhere) > 1 ? '(' . implode(' OR ', $orWhere) . ')' : $orWhere[0]; } if (!empty($userQuery)) { $main_query['where'][] = $userQuery; } if (!empty($search_params['topic'])) { $main_query['where'][] = 'm.ID_TOPIC = ' . $search_params['topic']; } if (!empty($minMsgID)) { $main_query['where'][] = 'm.ID_MSG >= ' . $minMsgID; } if (!empty($maxMsgID)) { $main_query['where'][] = 'm.ID_MSG <= ' . $maxMsgID; } if (!empty($boardQuery)) { $main_query['where'][] = 'm.ID_BOARD ' . $boardQuery; } } if (!empty($indexedResults) || empty($modSettings['search_index'])) { $relevance = '1000 * ('; $new_weight_total = 0; foreach ($main_query['weights'] as $type => $value) { $relevance .= $weight[$type] . ' * ' . $value . ' + '; $new_weight_total += $weight[$type]; } $main_query['select']['relevance'] = substr($relevance, 0, -3) . ") / {$new_weight_total} AS relevance"; db_query("\n\t\t\t\t\tINSERT IGNORE INTO {$db_prefix}log_search_results\n\t\t\t\t\t\t(" . implode(', ', array_keys($main_query['select'])) . ")\n\t\t\t\t\tSELECT\n\t\t\t\t\t\t" . implode(', ', $main_query['select']) . "\n\t\t\t\t\tFROM (" . implode(', ', $main_query['from']) . ')' . (empty($main_query['left_join']) ? '' : "\n\t\t\t\t\t\tLEFT JOIN " . implode("\n\t\t\t\t\t\tLEFT JOIN ", $main_query['left_join'])) . "\n\t\t\t\t\tWHERE " . implode("\n\t\t\t\t\t\tAND ", $main_query['where']) . (empty($main_query['group_by']) ? '' : "\n\t\t\t\t\tGROUP BY " . implode(', ', $main_query['group_by'])) . (empty($modSettings['search_max_results']) ? '' : "\n\t\t\t\t\tLIMIT {$modSettings['search_max_results']}"), __FILE__, __LINE__); $_SESSION['search_cache']['num_results'] = db_affected_rows(); } // Insert subject-only matches. if ($_SESSION['search_cache']['num_results'] < $modSettings['search_max_results'] && $numSubjectResults !== 0) { db_query("\n\t\t\t\t\tINSERT IGNORE INTO {$db_prefix}log_search_results\n\t\t\t\t\t\t(ID_SEARCH, ID_TOPIC, relevance, ID_MSG, num_matches)\n\t\t\t\t\tSELECT\n\t\t\t\t\t\t" . $_SESSION['search_cache']['ID_SEARCH'] . ",\n\t\t\t\t\t\tt.ID_TOPIC,\n\t\t\t\t\t\t1000 * (\n\t\t\t\t\t\t\t{$weight['frequency']} / (t.numReplies + 1) +\n\t\t\t\t\t\t\t{$weight['age']} * IF(t.ID_FIRST_MSG < {$minMsg}, 0, (t.ID_FIRST_MSG - {$minMsg}) / {$recentMsg}) +\n\t\t\t\t\t\t\t{$weight['length']} * IF(t.numReplies < {$humungousTopicPosts}, t.numReplies / {$humungousTopicPosts}, 1) +\n\t\t\t\t\t\t\t{$weight['subject']} +\n\t\t\t\t\t\t\t{$weight['sticky']} * t.isSticky\n\t\t\t\t\t\t) / {$weight_total} AS relevance,\n\t\t\t\t\t\tt.ID_FIRST_MSG,\n\t\t\t\t\t\t1\n\t\t\t\t\tFROM ({$db_prefix}topics AS t, {$db_prefix}" . ($createTemporary ? 'tmp_' : '') . "log_search_topics AS lst)\n\t\t\t\t\tWHERE lst.ID_TOPIC = t.ID_TOPIC" . (empty($modSettings['search_max_results']) ? '' : "\n\t\t\t\t\tLIMIT " . ($modSettings['search_max_results'] - $_SESSION['search_cache']['num_results'])), __FILE__, __LINE__); $_SESSION['search_cache']['num_results'] += db_affected_rows(); } elseif ($_SESSION['search_cache']['num_results'] == -1) { $_SESSION['search_cache']['num_results'] = 0; } } } // *** Retrieve the results to be shown on the page $participants = array(); $request = db_query("\n\t\tSELECT " . (empty($search_params['topic']) ? 'lsr.ID_TOPIC' : $search_params['topic'] . ' AS ID_TOPIC') . ", lsr.ID_MSG, lsr.relevance, lsr.num_matches\n\t\tFROM ({$db_prefix}log_search_results AS lsr" . ($search_params['sort'] == 'numReplies' ? ", {$db_prefix}topics AS t" : '') . ")\n\t\tWHERE ID_SEARCH = " . $_SESSION['search_cache']['ID_SEARCH'] . ($search_params['sort'] == 'numReplies' ? "\n\t\t\tAND t.ID_TOPIC = lsr.ID_TOPIC" : '') . "\n\t\tORDER BY {$search_params['sort']} {$search_params['sort_dir']}\n\t\tLIMIT " . (int) $_REQUEST['start'] . ", {$modSettings['search_results_per_page']}", __FILE__, __LINE__); while ($row = mysql_fetch_assoc($request)) { $context['topics'][$row['ID_MSG']] = array('id' => $row['ID_TOPIC'], 'relevance' => round($row['relevance'] / 10, 1) . '%', 'num_matches' => $row['num_matches'], 'matches' => array()); // By default they didn't participate in the topic! $participants[$row['ID_TOPIC']] = false; } mysql_free_result($request); // Now that we know how many results to expect we can start calculating the page numbers. $context['page_index'] = constructPageIndex($scripturl . '?action=search2;params=' . $context['params'], $_REQUEST['start'], $_SESSION['search_cache']['num_results'], $modSettings['search_results_per_page'], false); if (!empty($context['topics'])) { // Create an array for the permissions. $boards_can = array('post_reply_own' => boardsAllowedTo('post_reply_own'), 'post_reply_any' => boardsAllowedTo('post_reply_any'), 'mark_any_notify' => boardsAllowedTo('mark_any_notify')); // How's about some quick moderation? if (!empty($options['display_quick_mod']) && !empty($context['topics'])) { $boards_can['lock_any'] = boardsAllowedTo('lock_any'); $boards_can['lock_own'] = boardsAllowedTo('lock_own'); $boards_can['make_sticky'] = boardsAllowedTo('make_sticky'); $boards_can['move_any'] = boardsAllowedTo('move_any'); $boards_can['move_own'] = boardsAllowedTo('move_own'); $boards_can['remove_any'] = boardsAllowedTo('remove_any'); $boards_can['remove_own'] = boardsAllowedTo('remove_own'); $boards_can['merge_any'] = boardsAllowedTo('merge_any'); $context['can_lock'] = in_array(0, $boards_can['lock_any']); $context['can_sticky'] = in_array(0, $boards_can['make_sticky']) && !empty($modSettings['enableStickyTopics']); $context['can_move'] = in_array(0, $boards_can['move_any']); $context['can_remove'] = in_array(0, $boards_can['remove_any']); $context['can_merge'] = in_array(0, $boards_can['merge_any']); } // Load the posters... $request = db_query("\n\t\t\tSELECT ID_MEMBER\n\t\t\tFROM {$db_prefix}messages\n\t\t\tWHERE ID_MEMBER != 0\n\t\t\t\tAND ID_MSG IN (" . implode(', ', array_keys($context['topics'])) . ")\n\t\t\tLIMIT " . count($context['topics']), __FILE__, __LINE__); $posters = array(); while ($row = mysql_fetch_assoc($request)) { $posters[] = $row['ID_MEMBER']; } mysql_free_result($request); if (!empty($posters)) { loadMemberData(array_unique($posters)); } // Get the messages out for the callback - select enough that it can be made to look just like Display. $messages_request = db_query("\n\t\t\tSELECT\n\t\t\t\tm.ID_MSG, m.subject, m.posterName, m.posterEmail, m.posterTime, m.ID_MEMBER,\n\t\t\t\tm.icon, m.posterIP, m.body, m.smileysEnabled, m.modifiedTime, m.modifiedName,\n\t\t\t\tfirst_m.ID_MSG AS first_msg, first_m.subject AS first_subject, first_m.icon AS firstIcon, first_m.posterTime AS first_posterTime,\n\t\t\t\tfirst_mem.ID_MEMBER AS first_member_id, IFNULL(first_mem.realName, first_m.posterName) AS first_member_name,\n\t\t\t\tlast_m.ID_MSG AS last_msg, last_m.posterTime AS last_posterTime, last_mem.ID_MEMBER AS last_member_id,\n\t\t\t\tIFNULL(last_mem.realName, last_m.posterName) AS last_member_name, last_m.icon AS lastIcon, last_m.subject AS last_subject,\n\t\t\t\tt.ID_TOPIC, t.isSticky, t.locked, t.ID_POLL, t.numReplies, t.numViews,\n\t\t\t\tb.ID_BOARD, b.name AS bName, c.ID_CAT, c.name AS cName\n\t\t\tFROM ({$db_prefix}messages AS m, {$db_prefix}topics AS t, {$db_prefix}boards AS b, {$db_prefix}categories AS c, {$db_prefix}messages AS first_m, {$db_prefix}messages AS last_m)\n\t\t\t\tLEFT JOIN {$db_prefix}members AS first_mem ON (first_mem.ID_MEMBER = first_m.ID_MEMBER)\n\t\t\t\tLEFT JOIN {$db_prefix}members AS last_mem ON (last_mem.ID_MEMBER = first_m.ID_MEMBER)\n\t\t\tWHERE m.ID_MSG IN (" . implode(', ', array_keys($context['topics'])) . ")\n\t\t\t\tAND t.ID_TOPIC = m.ID_TOPIC\n\t\t\t\tAND b.ID_BOARD = t.ID_BOARD\n\t\t\t\tAND c.ID_CAT = b.ID_CAT\n\t\t\t\tAND first_m.ID_MSG = t.ID_FIRST_MSG\n\t\t\t\tAND last_m.ID_MSG = t.ID_LAST_MSG\n\t\t\tORDER BY FIND_IN_SET(m.ID_MSG, '" . implode(',', array_keys($context['topics'])) . "')\n\t\t\tLIMIT " . count($context['topics']), __FILE__, __LINE__); // Note that the reg-exp slows things alot, but makes things make a lot more sense. // If we want to know who participated in what then load this now. if (!empty($modSettings['enableParticipation']) && !$user_info['is_guest']) { $result = db_query("\n\t\t\t\tSELECT ID_TOPIC\n\t\t\t\tFROM {$db_prefix}messages\n\t\t\t\tWHERE ID_TOPIC IN (" . implode(', ', array_keys($participants)) . ")\n\t\t\t\t\tAND ID_MEMBER = {$ID_MEMBER}\n\t\t\t\tGROUP BY ID_TOPIC\n\t\t\t\tLIMIT " . count($participants), __FILE__, __LINE__); while ($row = mysql_fetch_assoc($result)) { $participants[$row['ID_TOPIC']] = true; } mysql_free_result($result); } } // Consider the search complete! if (!empty($modSettings['cache_enable']) && $modSettings['cache_enable'] >= 2) { cache_put_data('search_start:' . ($user_info['is_guest'] ? $user_info['ip'] : $ID_MEMBER), null, 90); } $context['key_words'] =& $searchArray; // Set the basic stuff for the template. $context['allow_hide_email'] = !empty($modSettings['allow_hideEmail']); // Setup the default topic icons... for checking they exist and the like! $stable_icons = array('xx', 'thumbup', 'thumbdown', 'exclamation', 'question', 'lamp', 'smiley', 'angry', 'cheesy', 'grin', 'sad', 'wink', 'moved', 'recycled', 'wireless'); $context['icon_sources'] = array(); foreach ($stable_icons as $icon) { $context['icon_sources'][$icon] = 'images_url'; } $context['sub_template'] = 'results'; $context['page_title'] = $txt[166]; $context['get_topics'] = 'prepareSearchContext'; $context['can_send_pm'] = allowedTo('pm_send'); loadJumpTo(); if (!empty($options['display_quick_mod']) && !empty($_SESSION['move_to_topic'])) { foreach ($context['jump_to'] as $id => $cat) { if (isset($context['jump_to'][$id]['boards'][$_SESSION['move_to_topic']])) { $context['jump_to'][$id]['boards'][$_SESSION['move_to_topic']]['selected'] = true; } } } }
function PlushSearch2() { global $scripturl, $modSettings, $sourcedir, $txt, $db_connection; global $user_info, $context, $options, $messages_request, $boards_can; global $excludedWords, $participants, $smcFunc, $search_versions, $searchAPI; if (!empty($context['load_average']) && !empty($modSettings['loadavg_search']) && $context['load_average'] >= $modSettings['loadavg_search']) { fatal_lang_error('loadavg_search_disabled', false); } // No, no, no... this is a bit hard on the server, so don't you go prefetching it! if (isset($_SERVER['HTTP_X_MOZ']) && $_SERVER['HTTP_X_MOZ'] == 'prefetch') { ob_end_clean(); header('HTTP/1.1 403 Forbidden'); die; } $weight_factors = array('frequency', 'age', 'length', 'subject', 'first_message', 'sticky'); $weight = array(); $weight_total = 0; foreach ($weight_factors as $weight_factor) { $weight[$weight_factor] = empty($modSettings['search_weight_' . $weight_factor]) ? 0 : (int) $modSettings['search_weight_' . $weight_factor]; $weight_total += $weight[$weight_factor]; } // Zero weight. Weightless :P. if (empty($weight_total)) { fatal_lang_error('search_invalid_weights'); } // These vars don't require an interface, they're just here for tweaking. $recentPercentage = 0.3; $humungousTopicPosts = 200; $maxMembersToSearch = 500; $maxMessageResults = empty($modSettings['search_max_results']) ? 0 : $modSettings['search_max_results'] * 5; // Start with no errors. $context['search_errors'] = array(); // Number of pages hard maximum - normally not set at all. $modSettings['search_max_results'] = empty($modSettings['search_max_results']) ? 200 * $modSettings['search_results_per_page'] : (int) $modSettings['search_max_results']; // Maximum length of the string. $context['search_string_limit'] = 100; loadLanguage('Search'); if (!isset($_REQUEST['xml'])) { loadTemplate('Search'); } else { $context['sub_template'] = 'results'; } // Are you allowed? isAllowedTo('search_posts'); require_once $sourcedir . '/Display.php'; require_once $sourcedir . '/Subs-Package.php'; // Search has a special database set. db_extend('search'); // Load up the search API we are going to use. $modSettings['search_index'] = empty($modSettings['search_index']) ? 'standard' : $modSettings['search_index']; if (!file_exists($sourcedir . '/SearchAPI-' . ucwords($modSettings['search_index']) . '.php')) { fatal_lang_error('search_api_missing'); } loadClassFile('SearchAPI-' . ucwords($modSettings['search_index']) . '.php'); // Create an instance of the search API and check it is valid for this version of SMF. $search_class_name = $modSettings['search_index'] . '_search'; $searchAPI = new $search_class_name(); if (!$searchAPI || $searchAPI->supportsMethod('isValid') && !$searchAPI->isValid() || !matchPackageVersion($search_versions['forum_version'], $searchAPI->min_smf_version . '-' . $searchAPI->version_compatible)) { // Log the error. loadLanguage('Errors'); log_error(sprintf($txt['search_api_not_compatible'], 'SearchAPI-' . ucwords($modSettings['search_index']) . '.php'), 'critical'); loadClassFile('SearchAPI-Standard.php'); $searchAPI = new standard_search(); } // $search_params will carry all settings that differ from the default search parameters. // That way, the URLs involved in a search page will be kept as short as possible. $search_params = array(); if (isset($_REQUEST['params'])) { // Due to IE's 2083 character limit, we have to compress long search strings $temp_params = base64_decode(str_replace(array('-', '_', '.'), array('+', '/', '='), $_REQUEST['params'])); // Test for gzuncompress failing $temp_params2 = @gzuncompress($temp_params); $temp_params = explode('|"|', !empty($temp_params2) ? $temp_params2 : $temp_params); foreach ($temp_params as $i => $data) { @(list($k, $v) = explode('|\'|', $data)); $search_params[$k] = $v; } if (isset($search_params['brd'])) { $search_params['brd'] = empty($search_params['brd']) ? array() : explode(',', $search_params['brd']); } } // Store whether simple search was used (needed if the user wants to do another query). if (!isset($search_params['advanced'])) { $search_params['advanced'] = empty($_REQUEST['advanced']) ? 0 : 1; } // 1 => 'allwords' (default, don't set as param) / 2 => 'anywords'. if (!empty($search_params['searchtype']) || !empty($_REQUEST['searchtype']) && $_REQUEST['searchtype'] == 2) { $search_params['searchtype'] = 2; } // Minimum age of messages. Default to zero (don't set param in that case). if (!empty($search_params['minage']) || !empty($_REQUEST['minage']) && $_REQUEST['minage'] > 0) { $search_params['minage'] = !empty($search_params['minage']) ? (int) $search_params['minage'] : (int) $_REQUEST['minage']; } // Maximum age of messages. Default to infinite (9999 days: param not set). if (!empty($search_params['maxage']) || !empty($_REQUEST['maxage']) && $_REQUEST['maxage'] < 9999) { $search_params['maxage'] = !empty($search_params['maxage']) ? (int) $search_params['maxage'] : (int) $_REQUEST['maxage']; } // Searching a specific topic? if (!empty($_REQUEST['topic'])) { $search_params['topic'] = (int) $_REQUEST['topic']; $search_params['show_complete'] = true; } elseif (!empty($search_params['topic'])) { $search_params['topic'] = (int) $search_params['topic']; } if (!empty($search_params['minage']) || !empty($search_params['maxage'])) { $request = $smcFunc['db_query']('', ' SELECT ' . (empty($search_params['maxage']) ? '0, ' : 'IFNULL(MIN(id_msg), -1), ') . (empty($search_params['minage']) ? '0' : 'IFNULL(MAX(id_msg), -1)') . ' FROM {db_prefix}messages WHERE 1=1' . ($modSettings['postmod_active'] ? ' AND approved = {int:is_approved_true}' : '') . (empty($search_params['minage']) ? '' : ' AND poster_time <= {int:timestamp_minimum_age}') . (empty($search_params['maxage']) ? '' : ' AND poster_time >= {int:timestamp_maximum_age}'), array('timestamp_minimum_age' => empty($search_params['minage']) ? 0 : time() - 86400 * $search_params['minage'], 'timestamp_maximum_age' => empty($search_params['maxage']) ? 0 : time() - 86400 * $search_params['maxage'], 'is_approved_true' => 1)); list($minMsgID, $maxMsgID) = $smcFunc['db_fetch_row']($request); if ($minMsgID < 0 || $maxMsgID < 0) { $context['search_errors']['no_messages_in_time_frame'] = true; } $smcFunc['db_free_result']($request); } // Default the user name to a wildcard matching every user (*). if (!empty($search_params['userspec']) || !empty($_REQUEST['userspec']) && $_REQUEST['userspec'] != '*') { $search_params['userspec'] = isset($search_params['userspec']) ? $search_params['userspec'] : $_REQUEST['userspec']; } // If there's no specific user, then don't mention it in the main query. if (empty($search_params['userspec'])) { $userQuery = ''; } else { $userString = strtr($smcFunc['htmlspecialchars']($search_params['userspec'], ENT_QUOTES), array('"' => '"')); $userString = strtr($userString, array('%' => '\\%', '_' => '\\_', '*' => '%', '?' => '_')); preg_match_all('~"([^"]+)"~', $userString, $matches); $possible_users = array_merge($matches[1], explode(',', preg_replace('~"[^"]+"~', '', $userString))); for ($k = 0, $n = count($possible_users); $k < $n; $k++) { $possible_users[$k] = trim($possible_users[$k]); if (strlen($possible_users[$k]) == 0) { unset($possible_users[$k]); } } // Create a list of database-escaped search names. $realNameMatches = array(); foreach ($possible_users as $possible_user) { $realNameMatches[] = $smcFunc['db_quote']('{string:possible_user}', array('possible_user' => $possible_user)); } // Retrieve a list of possible members. $request = $smcFunc['db_query']('', ' SELECT id_member FROM {db_prefix}members WHERE {raw:match_possible_users}', array('match_possible_users' => 'real_name LIKE ' . implode(' OR real_name LIKE ', $realNameMatches))); // Simply do nothing if there're too many members matching the criteria. if ($smcFunc['db_num_rows']($request) > $maxMembersToSearch) { $userQuery = ''; } elseif ($smcFunc['db_num_rows']($request) == 0) { $userQuery = $smcFunc['db_quote']('m.id_member = {int:id_member_guest} AND ({raw:match_possible_guest_names})', array('id_member_guest' => 0, 'match_possible_guest_names' => 'm.poster_name LIKE ' . implode(' OR m.poster_name LIKE ', $realNameMatches))); } else { $memberlist = array(); while ($row = $smcFunc['db_fetch_assoc']($request)) { $memberlist[] = $row['id_member']; } $userQuery = $smcFunc['db_quote']('(m.id_member IN ({array_int:matched_members}) OR (m.id_member = {int:id_member_guest} AND ({raw:match_possible_guest_names})))', array('matched_members' => $memberlist, 'id_member_guest' => 0, 'match_possible_guest_names' => 'm.poster_name LIKE ' . implode(' OR m.poster_name LIKE ', $realNameMatches))); } $smcFunc['db_free_result']($request); } // If the boards were passed by URL (params=), temporarily put them back in $_REQUEST. if (!empty($search_params['brd']) && is_array($search_params['brd'])) { $_REQUEST['brd'] = $search_params['brd']; } // Ensure that brd is an array. if (!empty($_REQUEST['brd']) && !is_array($_REQUEST['brd'])) { $_REQUEST['brd'] = strpos($_REQUEST['brd'], ',') !== false ? explode(',', $_REQUEST['brd']) : array($_REQUEST['brd']); } // Make sure all boards are integers. if (!empty($_REQUEST['brd'])) { foreach ($_REQUEST['brd'] as $id => $brd) { $_REQUEST['brd'][$id] = (int) $brd; } } // Special case for boards: searching just one topic? if (!empty($search_params['topic'])) { $request = $smcFunc['db_query']('', ' SELECT b.id_board FROM {db_prefix}topics AS t INNER JOIN {db_prefix}boards AS b ON (b.id_board = t.id_board) WHERE t.id_topic = {int:search_topic_id} AND {query_see_board}' . ($modSettings['postmod_active'] ? ' AND t.approved = {int:is_approved_true}' : '') . ' LIMIT 1', array('search_topic_id' => $search_params['topic'], 'is_approved_true' => 1)); if ($smcFunc['db_num_rows']($request) == 0) { fatal_lang_error('topic_gone', false); } $search_params['brd'] = array(); list($search_params['brd'][0]) = $smcFunc['db_fetch_row']($request); $smcFunc['db_free_result']($request); } elseif ($user_info['is_admin'] && (!empty($search_params['advanced']) || !empty($_REQUEST['brd']))) { $search_params['brd'] = empty($_REQUEST['brd']) ? array() : $_REQUEST['brd']; } else { $see_board = empty($search_params['advanced']) ? 'query_wanna_see_board' : 'query_see_board'; $request = $smcFunc['db_query']('', ' SELECT b.id_board FROM {db_prefix}boards AS b WHERE {raw:boards_allowed_to_see} AND redirect = {string:empty_string}' . (empty($_REQUEST['brd']) ? !empty($modSettings['recycle_enable']) && $modSettings['recycle_board'] > 0 ? ' AND b.id_board != {int:recycle_board_id}' : '' : ' AND b.id_board IN ({array_int:selected_search_boards})'), array('boards_allowed_to_see' => $user_info[$see_board], 'empty_string' => '', 'selected_search_boards' => empty($_REQUEST['brd']) ? array() : $_REQUEST['brd'], 'recycle_board_id' => $modSettings['recycle_board'])); $search_params['brd'] = array(); while ($row = $smcFunc['db_fetch_assoc']($request)) { $search_params['brd'][] = $row['id_board']; } $smcFunc['db_free_result']($request); // This error should pro'bly only happen for hackers. if (empty($search_params['brd'])) { $context['search_errors']['no_boards_selected'] = true; } } if (count($search_params['brd']) != 0) { foreach ($search_params['brd'] as $k => $v) { $search_params['brd'][$k] = (int) $v; } // If we've selected all boards, this parameter can be left empty. $request = $smcFunc['db_query']('', ' SELECT COUNT(*) FROM {db_prefix}boards WHERE redirect = {string:empty_string}', array('empty_string' => '')); list($num_boards) = $smcFunc['db_fetch_row']($request); $smcFunc['db_free_result']($request); if (count($search_params['brd']) == $num_boards) { $boardQuery = ''; } elseif (count($search_params['brd']) == $num_boards - 1 && !empty($modSettings['recycle_board']) && !in_array($modSettings['recycle_board'], $search_params['brd'])) { $boardQuery = '!= ' . $modSettings['recycle_board']; } else { $boardQuery = 'IN (' . implode(', ', $search_params['brd']) . ')'; } } else { $boardQuery = ''; } $search_params['show_complete'] = !empty($search_params['show_complete']) || !empty($_REQUEST['show_complete']); $search_params['subject_only'] = !empty($search_params['subject_only']) || !empty($_REQUEST['subject_only']); $context['compact'] = !$search_params['show_complete']; // Get the sorting parameters right. Default to sort by relevance descending. $sort_columns = array('relevance', 'num_replies', 'id_msg'); if (empty($search_params['sort']) && !empty($_REQUEST['sort'])) { list($search_params['sort'], $search_params['sort_dir']) = array_pad(explode('|', $_REQUEST['sort']), 2, ''); } $search_params['sort'] = !empty($search_params['sort']) && in_array($search_params['sort'], $sort_columns) ? $search_params['sort'] : 'relevance'; if (!empty($search_params['topic']) && $search_params['sort'] === 'num_replies') { $search_params['sort'] = 'id_msg'; } // Sorting direction: descending unless stated otherwise. $search_params['sort_dir'] = !empty($search_params['sort_dir']) && $search_params['sort_dir'] == 'asc' ? 'asc' : 'desc'; // Determine some values needed to calculate the relevance. $minMsg = (int) ((1 - $recentPercentage) * $modSettings['maxMsgID']); $recentMsg = $modSettings['maxMsgID'] - $minMsg; // *** Parse the search query // Unfortunately, searching for words like this is going to be slow, so we're blacklisting them. // !!! Setting to add more here? // !!! Maybe only blacklist if they are the only word, or "any" is used? $blacklisted_words = array('img', 'url', 'quote', 'www', 'http', 'the', 'is', 'it', 'are', 'if'); // What are we searching for? if (empty($search_params['search'])) { if (isset($_GET['search'])) { $search_params['search'] = un_htmlspecialchars($_GET['search']); } elseif (isset($_POST['search'])) { $search_params['search'] = $_POST['search']; } else { $search_params['search'] = ''; } } // Nothing?? if (!isset($search_params['search']) || $search_params['search'] == '') { $context['search_errors']['invalid_search_string'] = true; } elseif ($smcFunc['strlen']($search_params['search']) > $context['search_string_limit']) { $context['search_errors']['string_too_long'] = true; $txt['error_string_too_long'] = sprintf($txt['error_string_too_long'], $context['search_string_limit']); } // Change non-word characters into spaces. $stripped_query = preg_replace('~(?:[\\x0B\\0' . ($context['utf8'] ? $context['server']['complex_preg_chars'] ? '\\x{A0}' : " " : '\\xA0') . '\\t\\r\\s\\n(){}\\[\\]<>!@$%^*.,:+=`\\~\\?/\\\\]+|&(?:amp|lt|gt|quot);)+~' . ($context['utf8'] ? 'u' : ''), ' ', $search_params['search']); // Make the query lower case. It's gonna be case insensitive anyway. $stripped_query = un_htmlspecialchars($smcFunc['strtolower']($stripped_query)); // This (hidden) setting will do fulltext searching in the most basic way. if (!empty($modSettings['search_simple_fulltext'])) { $stripped_query = strtr($stripped_query, array('"' => '')); } $no_regexp = preg_match('~&#(?:\\d{1,7}|x[0-9a-fA-F]{1,6});~', $stripped_query) === 1; // Extract phrase parts first (e.g. some words "this is a phrase" some more words.) preg_match_all('/(?:^|\\s)([-]?)"([^"]+)"(?:$|\\s)/', $stripped_query, $matches, PREG_PATTERN_ORDER); $phraseArray = $matches[2]; // Remove the phrase parts and extract the words. $wordArray = explode(' ', preg_replace('~(?:^|\\s)(?:[-]?)"(?:[^"]+)"(?:$|\\s)~' . ($context['utf8'] ? 'u' : ''), ' ', $search_params['search'])); // A minus sign in front of a word excludes the word.... so... $excludedWords = array(); $excludedIndexWords = array(); $excludedSubjectWords = array(); $excludedPhrases = array(); // .. first, we check for things like -"some words", but not "-some words". foreach ($matches[1] as $index => $word) { if ($word === '-') { if (($word = trim($phraseArray[$index], '-_\' ')) !== '' && !in_array($word, $blacklisted_words)) { $excludedWords[] = $word; } unset($phraseArray[$index]); } } // Now we look for -test, etc.... normaller. foreach ($wordArray as $index => $word) { if (strpos(trim($word), '-') === 0) { if (($word = trim($word, '-_\' ')) !== '' && !in_array($word, $blacklisted_words)) { $excludedWords[] = $word; } unset($wordArray[$index]); } } // The remaining words and phrases are all included. $searchArray = array_merge($phraseArray, $wordArray); // Trim everything and make sure there are no words that are the same. foreach ($searchArray as $index => $value) { // Skip anything practically empty. if (($searchArray[$index] = trim($value, '-_\' ')) === '') { unset($searchArray[$index]); } elseif (in_array($searchArray[$index], $blacklisted_words)) { $foundBlackListedWords = true; unset($searchArray[$index]); } elseif ($smcFunc['strlen']($value) < 2) { $context['search_errors']['search_string_small_words'] = true; unset($searchArray[$index]); } else { $searchArray[$index] = $searchArray[$index]; } } $searchArray = array_slice(array_unique($searchArray), 0, 10); // Create an array of replacements for highlighting. $context['mark'] = array(); foreach ($searchArray as $word) { $context['mark'][$word] = '<strong class="highlight">' . $word . '</strong>'; } // Initialize two arrays storing the words that have to be searched for. $orParts = array(); $searchWords = array(); // Make sure at least one word is being searched for. if (empty($searchArray)) { $context['search_errors']['invalid_search_string' . (!empty($foundBlackListedWords) ? '_blacklist' : '')] = true; } elseif (empty($search_params['searchtype'])) { $orParts[0] = $searchArray; } else { foreach ($searchArray as $index => $value) { $orParts[$index] = array($value); } } // Don't allow duplicate error messages if one string is too short. if (isset($context['search_errors']['search_string_small_words'], $context['search_errors']['invalid_search_string'])) { unset($context['search_errors']['invalid_search_string']); } // Make sure the excluded words are in all or-branches. foreach ($orParts as $orIndex => $andParts) { foreach ($excludedWords as $word) { $orParts[$orIndex][] = $word; } } // Determine the or-branches and the fulltext search words. foreach ($orParts as $orIndex => $andParts) { $searchWords[$orIndex] = array('indexed_words' => array(), 'words' => array(), 'subject_words' => array(), 'all_words' => array()); // Sort the indexed words (large words -> small words -> excluded words). if ($searchAPI->supportsMethod('searchSort')) { usort($orParts[$orIndex], 'searchSort'); } foreach ($orParts[$orIndex] as $word) { $is_excluded = in_array($word, $excludedWords); $searchWords[$orIndex]['all_words'][] = $word; $subjectWords = text2words($word); if (!$is_excluded || count($subjectWords) === 1) { $searchWords[$orIndex]['subject_words'] = array_merge($searchWords[$orIndex]['subject_words'], $subjectWords); if ($is_excluded) { $excludedSubjectWords = array_merge($excludedSubjectWords, $subjectWords); } } else { $excludedPhrases[] = $word; } // Have we got indexes to prepare? if ($searchAPI->supportsMethod('prepareIndexes')) { $searchAPI->prepareIndexes($word, $searchWords[$orIndex], $excludedIndexWords, $is_excluded); } } // Search_force_index requires all AND parts to have at least one fulltext word. if (!empty($modSettings['search_force_index']) && empty($searchWords[$orIndex]['indexed_words'])) { $context['search_errors']['query_not_specific_enough'] = true; break; } elseif ($search_params['subject_only'] && empty($searchWords[$orIndex]['subject_words']) && empty($excludedSubjectWords)) { $context['search_errors']['query_not_specific_enough'] = true; break; } else { $searchWords[$orIndex]['indexed_words'] = array_slice($searchWords[$orIndex]['indexed_words'], 0, 7); $searchWords[$orIndex]['subject_words'] = array_slice($searchWords[$orIndex]['subject_words'], 0, 7); } } // *** Spell checking $context['show_spellchecking'] = !empty($modSettings['enableSpellChecking']) && function_exists('pspell_new'); if ($context['show_spellchecking']) { // Windows fix. ob_start(); $old = error_reporting(0); pspell_new('en'); $pspell_link = pspell_new($txt['lang_dictionary'], $txt['lang_spelling'], '', strtr($txt['lang_character_set'], array('iso-' => 'iso', 'ISO-' => 'iso')), PSPELL_FAST | PSPELL_RUN_TOGETHER); if (!$pspell_link) { $pspell_link = pspell_new('en', '', '', '', PSPELL_FAST | PSPELL_RUN_TOGETHER); } error_reporting($old); ob_end_clean(); $did_you_mean = array('search' => array(), 'display' => array()); $found_misspelling = false; foreach ($searchArray as $word) { if (empty($pspell_link)) { continue; } $word = $word; // Don't check phrases. if (preg_match('~^\\w+$~', $word) === 0) { $did_you_mean['search'][] = '"' . $word . '"'; $did_you_mean['display'][] = '"' . $smcFunc['htmlspecialchars']($word) . '"'; continue; } elseif (preg_match('~\\d~', $word) === 1) { $did_you_mean['search'][] = $word; $did_you_mean['display'][] = $smcFunc['htmlspecialchars']($word); continue; } elseif (pspell_check($pspell_link, $word)) { $did_you_mean['search'][] = $word; $did_you_mean['display'][] = $smcFunc['htmlspecialchars']($word); continue; } $suggestions = pspell_suggest($pspell_link, $word); foreach ($suggestions as $i => $s) { // Search is case insensitive. if ($smcFunc['strtolower']($s) == $smcFunc['strtolower']($word)) { unset($suggestions[$i]); } elseif ($suggestions[$i] != censorText($s)) { unset($suggestions[$i]); } } // Anything found? If so, correct it! if (!empty($suggestions)) { $suggestions = array_values($suggestions); $did_you_mean['search'][] = $suggestions[0]; $did_you_mean['display'][] = '<em><strong>' . $smcFunc['htmlspecialchars']($suggestions[0]) . '</strong></em>'; $found_misspelling = true; } else { $did_you_mean['search'][] = $word; $did_you_mean['display'][] = $smcFunc['htmlspecialchars']($word); } } if ($found_misspelling) { // Don't spell check excluded words, but add them still... $temp_excluded = array('search' => array(), 'display' => array()); foreach ($excludedWords as $word) { $word = $word; if (preg_match('~^\\w+$~', $word) == 0) { $temp_excluded['search'][] = '-"' . $word . '"'; $temp_excluded['display'][] = '-"' . $smcFunc['htmlspecialchars']($word) . '"'; } else { $temp_excluded['search'][] = '-' . $word; $temp_excluded['display'][] = '-' . $smcFunc['htmlspecialchars']($word); } } $did_you_mean['search'] = array_merge($did_you_mean['search'], $temp_excluded['search']); $did_you_mean['display'] = array_merge($did_you_mean['display'], $temp_excluded['display']); $temp_params = $search_params; $temp_params['search'] = implode(' ', $did_you_mean['search']); if (isset($temp_params['brd'])) { $temp_params['brd'] = implode(',', $temp_params['brd']); } $context['params'] = array(); foreach ($temp_params as $k => $v) { $context['did_you_mean_params'][] = $k . '|\'|' . $v; } $context['did_you_mean_params'] = base64_encode(implode('|"|', $context['did_you_mean_params'])); $context['did_you_mean'] = implode(' ', $did_you_mean['display']); } } // Let the user adjust the search query, should they wish? $context['search_params'] = $search_params; if (isset($context['search_params']['search'])) { $context['search_params']['search'] = $smcFunc['htmlspecialchars']($context['search_params']['search']); } if (isset($context['search_params']['userspec'])) { $context['search_params']['userspec'] = $smcFunc['htmlspecialchars']($context['search_params']['userspec']); } // Do we have captcha enabled? if ($user_info['is_guest'] && !empty($modSettings['search_enable_captcha']) && empty($_SESSION['ss_vv_passed']) && (empty($_SESSION['last_ss']) || $_SESSION['last_ss'] != $search_params['search'])) { // If we come from another search box tone down the error... if (!isset($_REQUEST['search_vv'])) { $context['search_errors']['need_verification_code'] = true; } else { require_once $sourcedir . '/Subs-Editor.php'; $verificationOptions = array('id' => 'search'); $context['require_verification'] = create_control_verification($verificationOptions, true); if (is_array($context['require_verification'])) { foreach ($context['require_verification'] as $error) { $context['search_errors'][$error] = true; } } else { $_SESSION['ss_vv_passed'] = true; } } } // *** Encode all search params // All search params have been checked, let's compile them to a single string... made less simple by PHP 4.3.9 and below. $temp_params = $search_params; if (isset($temp_params['brd'])) { $temp_params['brd'] = implode(',', $temp_params['brd']); } $context['params'] = array(); foreach ($temp_params as $k => $v) { $context['params'][] = $k . '|\'|' . $v; } if (!empty($context['params'])) { // Due to old IE's 2083 character limit, we have to compress long search strings $params = @gzcompress(implode('|"|', $context['params'])); // Gzcompress failed, use try non-gz if (empty($params)) { $params = implode('|"|', $context['params']); } // Base64 encode, then replace +/= with uri safe ones that can be reverted $context['params'] = str_replace(array('+', '/', '='), array('-', '_', '.'), base64_encode($params)); } // ... and add the links to the link tree. $context['linktree'][] = array('url' => $scripturl . '?action=search;params=' . $context['params'], 'name' => $txt['search']); $context['linktree'][] = array('url' => $scripturl . '?action=search2;params=' . $context['params'], 'name' => $txt['search_results']); // *** A last error check // One or more search errors? Go back to the first search screen. if (!empty($context['search_errors'])) { $_REQUEST['params'] = $context['params']; return PlushSearch1(); } // Spam me not, Spam-a-lot? if (empty($_SESSION['last_ss']) || $_SESSION['last_ss'] != $search_params['search']) { spamProtection('search'); } // Store the last search string to allow pages of results to be browsed. $_SESSION['last_ss'] = $search_params['search']; // *** Reserve an ID for caching the search results. $query_params = array_merge($search_params, array('min_msg_id' => isset($minMsgID) ? (int) $minMsgID : 0, 'max_msg_id' => isset($maxMsgID) ? (int) $maxMsgID : 0, 'memberlist' => !empty($memberlist) ? $memberlist : array())); // Can this search rely on the API given the parameters? if ($searchAPI->supportsMethod('searchQuery', $query_params)) { $participants = array(); $searchArray = array(); $num_results = $searchAPI->searchQuery($query_params, $searchWords, $excludedIndexWords, $participants, $searchArray); } else { $update_cache = empty($_SESSION['search_cache']) || $_SESSION['search_cache']['params'] != $context['params']; if ($update_cache) { // Increase the pointer... $modSettings['search_pointer'] = empty($modSettings['search_pointer']) ? 0 : (int) $modSettings['search_pointer']; // ...and store it right off. updateSettings(array('search_pointer' => $modSettings['search_pointer'] >= 255 ? 0 : $modSettings['search_pointer'] + 1)); // As long as you don't change the parameters, the cache result is yours. $_SESSION['search_cache'] = array('id_search' => $modSettings['search_pointer'], 'num_results' => -1, 'params' => $context['params']); // Clear the previous cache of the final results cache. $smcFunc['db_search_query']('delete_log_search_results', ' DELETE FROM {db_prefix}log_search_results WHERE id_search = {int:search_id}', array('search_id' => $_SESSION['search_cache']['id_search'])); if ($search_params['subject_only']) { // We do this to try and avoid duplicate keys on databases not supporting INSERT IGNORE. $inserts = array(); foreach ($searchWords as $orIndex => $words) { $subject_query_params = array(); $subject_query = array('from' => '{db_prefix}topics AS t', 'inner_join' => array(), 'left_join' => array(), 'where' => array()); if ($modSettings['postmod_active']) { $subject_query['where'][] = 't.approved = {int:is_approved}'; } $numTables = 0; $prev_join = 0; $numSubjectResults = 0; foreach ($words['subject_words'] as $subjectWord) { $numTables++; if (in_array($subjectWord, $excludedSubjectWords)) { $subject_query['left_join'][] = '{db_prefix}log_search_subjects AS subj' . $numTables . ' ON (subj' . $numTables . '.word ' . (empty($modSettings['search_match_words']) ? 'LIKE {string:subject_words_' . $numTables . '_wild}' : '= {string:subject_words_' . $numTables . '}') . ' AND subj' . $numTables . '.id_topic = t.id_topic)'; $subject_query['where'][] = '(subj' . $numTables . '.word IS NULL)'; } else { $subject_query['inner_join'][] = '{db_prefix}log_search_subjects AS subj' . $numTables . ' ON (subj' . $numTables . '.id_topic = ' . ($prev_join === 0 ? 't' : 'subj' . $prev_join) . '.id_topic)'; $subject_query['where'][] = 'subj' . $numTables . '.word ' . (empty($modSettings['search_match_words']) ? 'LIKE {string:subject_words_' . $numTables . '_wild}' : '= {string:subject_words_' . $numTables . '}'); $prev_join = $numTables; } $subject_query_params['subject_words_' . $numTables] = $subjectWord; $subject_query_params['subject_words_' . $numTables . '_wild'] = '%' . $subjectWord . '%'; } if (!empty($userQuery)) { if ($subject_query['from'] != '{db_prefix}messages AS m') { $subject_query['inner_join'][] = '{db_prefix}messages AS m ON (m.id_topic = t.id_topic)'; } $subject_query['where'][] = $userQuery; } if (!empty($search_params['topic'])) { $subject_query['where'][] = 't.id_topic = ' . $search_params['topic']; } if (!empty($minMsgID)) { $subject_query['where'][] = 't.id_first_msg >= ' . $minMsgID; } if (!empty($maxMsgID)) { $subject_query['where'][] = 't.id_last_msg <= ' . $maxMsgID; } if (!empty($boardQuery)) { $subject_query['where'][] = 't.id_board ' . $boardQuery; } if (!empty($excludedPhrases)) { if ($subject_query['from'] != '{db_prefix}messages AS m') { $subject_query['inner_join'][] = '{db_prefix}messages AS m ON (m.id_msg = t.id_first_msg)'; } $count = 0; foreach ($excludedPhrases as $phrase) { $subject_query['where'][] = 'm.subject NOT ' . (empty($modSettings['search_match_words']) || $no_regexp ? ' LIKE ' : ' RLIKE ') . '{string:excluded_phrases_' . $count . '}'; $subject_query_params['excluded_phrases_' . $count++] = empty($modSettings['search_match_words']) || $no_regexp ? '%' . strtr($phrase, array('_' => '\\_', '%' => '\\%')) . '%' : '[[:<:]]' . addcslashes(preg_replace(array('/([\\[\\]$.+*?|{}()])/'), array('[$1]'), $phrase), '\\\'') . '[[:>:]]'; } } $ignoreRequest = $smcFunc['db_search_query']('insert_log_search_results_subject', ($smcFunc['db_support_ignore'] ? ' INSERT IGNORE INTO {db_prefix}log_search_results (id_search, id_topic, relevance, id_msg, num_matches)' : '') . ' SELECT {int:id_search}, t.id_topic, 1000 * ( {int:weight_frequency} / (t.num_replies + 1) + {int:weight_age} * CASE WHEN t.id_first_msg < {int:min_msg} THEN 0 ELSE (t.id_first_msg - {int:min_msg}) / {int:recent_message} END + {int:weight_length} * CASE WHEN t.num_replies < {int:huge_topic_posts} THEN t.num_replies / {int:huge_topic_posts} ELSE 1 END + {int:weight_subject} + {int:weight_sticky} * t.is_sticky ) / {int:weight_total} AS relevance, ' . (empty($userQuery) ? 't.id_first_msg' : 'm.id_msg') . ', 1 FROM ' . $subject_query['from'] . (empty($subject_query['inner_join']) ? '' : ' INNER JOIN ' . implode(' INNER JOIN ', $subject_query['inner_join'])) . (empty($subject_query['left_join']) ? '' : ' LEFT JOIN ' . implode(' LEFT JOIN ', $subject_query['left_join'])) . ' WHERE ' . implode(' AND ', $subject_query['where']) . (empty($modSettings['search_max_results']) ? '' : ' LIMIT ' . ($modSettings['search_max_results'] - $numSubjectResults)), array_merge($subject_query_params, array('id_search' => $_SESSION['search_cache']['id_search'], 'weight_age' => $weight['age'], 'weight_frequency' => $weight['frequency'], 'weight_length' => $weight['length'], 'weight_sticky' => $weight['sticky'], 'weight_subject' => $weight['subject'], 'weight_total' => $weight_total, 'min_msg' => $minMsg, 'recent_message' => $recentMsg, 'huge_topic_posts' => $humungousTopicPosts, 'is_approved' => 1))); // If the database doesn't support IGNORE to make this fast we need to do some tracking. if (!$smcFunc['db_support_ignore']) { while ($row = $smcFunc['db_fetch_row']($ignoreRequest)) { // No duplicates! if (isset($inserts[$row[1]])) { continue; } foreach ($row as $key => $value) { $inserts[$row[1]][] = (int) $row[$key]; } } $smcFunc['db_free_result']($ignoreRequest); $numSubjectResults = count($inserts); } else { $numSubjectResults += $smcFunc['db_affected_rows'](); } if (!empty($modSettings['search_max_results']) && $numSubjectResults >= $modSettings['search_max_results']) { break; } } // If there's data to be inserted for non-IGNORE databases do it here! if (!empty($inserts)) { $smcFunc['db_insert']('', '{db_prefix}log_search_results', array('id_search' => 'int', 'id_topic' => 'int', 'relevance' => 'int', 'id_msg' => 'int', 'num_matches' => 'int'), $inserts, array('id_search', 'id_topic')); } $_SESSION['search_cache']['num_results'] = $numSubjectResults; } else { $main_query = array('select' => array('id_search' => $_SESSION['search_cache']['id_search'], 'relevance' => '0'), 'weights' => array(), 'from' => '{db_prefix}topics AS t', 'inner_join' => array('{db_prefix}messages AS m ON (m.id_topic = t.id_topic)'), 'left_join' => array(), 'where' => array(), 'group_by' => array(), 'parameters' => array('min_msg' => $minMsg, 'recent_message' => $recentMsg, 'huge_topic_posts' => $humungousTopicPosts, 'is_approved' => 1)); if (empty($search_params['topic']) && empty($search_params['show_complete'])) { $main_query['select']['id_topic'] = 't.id_topic'; $main_query['select']['id_msg'] = 'MAX(m.id_msg) AS id_msg'; $main_query['select']['num_matches'] = 'COUNT(*) AS num_matches'; $main_query['weights'] = array('frequency' => 'COUNT(*) / (MAX(t.num_replies) + 1)', 'age' => 'CASE WHEN MAX(m.id_msg) < {int:min_msg} THEN 0 ELSE (MAX(m.id_msg) - {int:min_msg}) / {int:recent_message} END', 'length' => 'CASE WHEN MAX(t.num_replies) < {int:huge_topic_posts} THEN MAX(t.num_replies) / {int:huge_topic_posts} ELSE 1 END', 'subject' => '0', 'first_message' => 'CASE WHEN MIN(m.id_msg) = MAX(t.id_first_msg) THEN 1 ELSE 0 END', 'sticky' => 'MAX(t.is_sticky)'); $main_query['group_by'][] = 't.id_topic'; } else { // This is outrageous! $main_query['select']['id_topic'] = 'm.id_msg AS id_topic'; $main_query['select']['id_msg'] = 'm.id_msg'; $main_query['select']['num_matches'] = '1 AS num_matches'; $main_query['weights'] = array('age' => '((m.id_msg - t.id_first_msg) / CASE WHEN t.id_last_msg = t.id_first_msg THEN 1 ELSE t.id_last_msg - t.id_first_msg END)', 'first_message' => 'CASE WHEN m.id_msg = t.id_first_msg THEN 1 ELSE 0 END'); if (!empty($search_params['topic'])) { $main_query['where'][] = 't.id_topic = {int:topic}'; $main_query['parameters']['topic'] = $search_params['topic']; } if (!empty($search_params['show_complete'])) { $main_query['group_by'][] = 'm.id_msg, t.id_first_msg, t.id_last_msg'; } } // *** Get the subject results. $numSubjectResults = 0; if (empty($search_params['topic'])) { $inserts = array(); // Create a temporary table to store some preliminary results in. $smcFunc['db_search_query']('drop_tmp_log_search_topics', ' DROP TABLE IF EXISTS {db_prefix}tmp_log_search_topics', array('db_error_skip' => true)); $createTemporary = $smcFunc['db_search_query']('create_tmp_log_search_topics', ' CREATE TEMPORARY TABLE {db_prefix}tmp_log_search_topics ( id_topic mediumint(8) unsigned NOT NULL default {string:string_zero}, PRIMARY KEY (id_topic) ) ENGINE=MEMORY', array('string_zero' => '0', 'db_error_skip' => true)) !== false; // Clean up some previous cache. if (!$createTemporary) { $smcFunc['db_search_query']('delete_log_search_topics', ' DELETE FROM {db_prefix}log_search_topics WHERE id_search = {int:search_id}', array('search_id' => $_SESSION['search_cache']['id_search'])); } foreach ($searchWords as $orIndex => $words) { $subject_query = array('from' => '{db_prefix}topics AS t', 'inner_join' => array(), 'left_join' => array(), 'where' => array(), 'params' => array()); $numTables = 0; $prev_join = 0; $count = 0; foreach ($words['subject_words'] as $subjectWord) { $numTables++; if (in_array($subjectWord, $excludedSubjectWords)) { if ($subject_query['from'] != '{db_prefix}messages AS m') { $subject_query['inner_join'][] = '{db_prefix}messages AS m ON (m.id_msg = t.id_first_msg)'; } $subject_query['left_join'][] = '{db_prefix}log_search_subjects AS subj' . $numTables . ' ON (subj' . $numTables . '.word ' . (empty($modSettings['search_match_words']) ? 'LIKE {string:subject_not_' . $count . '}' : '= {string:subject_not_' . $count . '}') . ' AND subj' . $numTables . '.id_topic = t.id_topic)'; $subject_query['params']['subject_not_' . $count] = empty($modSettings['search_match_words']) ? '%' . $subjectWord . '%' : $subjectWord; $subject_query['where'][] = '(subj' . $numTables . '.word IS NULL)'; $subject_query['where'][] = 'm.body NOT ' . (empty($modSettings['search_match_words']) || $no_regexp ? ' LIKE ' : ' RLIKE ') . '{string:body_not_' . $count . '}'; $subject_query['params']['body_not_' . $count++] = empty($modSettings['search_match_words']) || $no_regexp ? '%' . strtr($subjectWord, array('_' => '\\_', '%' => '\\%')) . '%' : '[[:<:]]' . addcslashes(preg_replace(array('/([\\[\\]$.+*?|{}()])/'), array('[$1]'), $subjectWord), '\\\'') . '[[:>:]]'; } else { $subject_query['inner_join'][] = '{db_prefix}log_search_subjects AS subj' . $numTables . ' ON (subj' . $numTables . '.id_topic = ' . ($prev_join === 0 ? 't' : 'subj' . $prev_join) . '.id_topic)'; $subject_query['where'][] = 'subj' . $numTables . '.word LIKE {string:subject_like_' . $count . '}'; $subject_query['params']['subject_like_' . $count++] = empty($modSettings['search_match_words']) ? '%' . $subjectWord . '%' : $subjectWord; $prev_join = $numTables; } } if (!empty($userQuery)) { if ($subject_query['from'] != '{db_prefix}messages AS m') { $subject_query['inner_join'][] = '{db_prefix}messages AS m ON (m.id_msg = t.id_first_msg)'; } $subject_query['where'][] = '{raw:user_query}'; $subject_query['params']['user_query'] = $userQuery; } if (!empty($search_params['topic'])) { $subject_query['where'][] = 't.id_topic = {int:topic}'; $subject_query['params']['topic'] = $search_params['topic']; } if (!empty($minMsgID)) { $subject_query['where'][] = 't.id_first_msg >= {int:min_msg_id}'; $subject_query['params']['min_msg_id'] = $minMsgID; } if (!empty($maxMsgID)) { $subject_query['where'][] = 't.id_last_msg <= {int:max_msg_id}'; $subject_query['params']['max_msg_id'] = $maxMsgID; } if (!empty($boardQuery)) { $subject_query['where'][] = 't.id_board {raw:board_query}'; $subject_query['params']['board_query'] = $boardQuery; } if (!empty($excludedPhrases)) { if ($subject_query['from'] != '{db_prefix}messages AS m') { $subject_query['inner_join'][] = '{db_prefix}messages AS m ON (m.id_msg = t.id_first_msg)'; } $count = 0; foreach ($excludedPhrases as $phrase) { $subject_query['where'][] = 'm.subject NOT ' . (empty($modSettings['search_match_words']) || $no_regexp ? ' LIKE ' : ' RLIKE ') . '{string:exclude_phrase_' . $count . '}'; $subject_query['where'][] = 'm.body NOT ' . (empty($modSettings['search_match_words']) || $no_regexp ? ' LIKE ' : ' RLIKE ') . '{string:exclude_phrase_' . $count . '}'; $subject_query['params']['exclude_phrase_' . $count++] = empty($modSettings['search_match_words']) || $no_regexp ? '%' . strtr($phrase, array('_' => '\\_', '%' => '\\%')) . '%' : '[[:<:]]' . addcslashes(preg_replace(array('/([\\[\\]$.+*?|{}()])/'), array('[$1]'), $phrase), '\\\'') . '[[:>:]]'; } } // Nothing to search for? if (empty($subject_query['where'])) { continue; } $ignoreRequest = $smcFunc['db_search_query']('insert_log_search_topics', ($smcFunc['db_support_ignore'] ? ' INSERT IGNORE INTO {db_prefix}' . ($createTemporary ? 'tmp_' : '') . 'log_search_topics (' . ($createTemporary ? '' : 'id_search, ') . 'id_topic)' : '') . ' SELECT ' . ($createTemporary ? '' : $_SESSION['search_cache']['id_search'] . ', ') . 't.id_topic FROM ' . $subject_query['from'] . (empty($subject_query['inner_join']) ? '' : ' INNER JOIN ' . implode(' INNER JOIN ', $subject_query['inner_join'])) . (empty($subject_query['left_join']) ? '' : ' LEFT JOIN ' . implode(' LEFT JOIN ', $subject_query['left_join'])) . ' WHERE ' . implode(' AND ', $subject_query['where']) . (empty($modSettings['search_max_results']) ? '' : ' LIMIT ' . ($modSettings['search_max_results'] - $numSubjectResults)), $subject_query['params']); // Don't do INSERT IGNORE? Manually fix this up! if (!$smcFunc['db_support_ignore']) { while ($row = $smcFunc['db_fetch_row']($ignoreRequest)) { $ind = $createTemporary ? 0 : 1; // No duplicates! if (isset($inserts[$row[$ind]])) { continue; } $inserts[$row[$ind]] = $row; } $smcFunc['db_free_result']($ignoreRequest); $numSubjectResults = count($inserts); } else { $numSubjectResults += $smcFunc['db_affected_rows'](); } if (!empty($modSettings['search_max_results']) && $numSubjectResults >= $modSettings['search_max_results']) { break; } } // Got some non-MySQL data to plonk in? if (!empty($inserts)) { $smcFunc['db_insert']('', '{db_prefix}' . ($createTemporary ? 'tmp_' : '') . 'log_search_topics', $createTemporary ? array('id_topic' => 'int') : array('id_search' => 'int', 'id_topic' => 'int'), $inserts, $createTemporary ? array('id_topic') : array('id_search', 'id_topic')); } if ($numSubjectResults !== 0) { $main_query['weights']['subject'] = 'CASE WHEN MAX(lst.id_topic) IS NULL THEN 0 ELSE 1 END'; $main_query['left_join'][] = '{db_prefix}' . ($createTemporary ? 'tmp_' : '') . 'log_search_topics AS lst ON (' . ($createTemporary ? '' : 'lst.id_search = {int:id_search} AND ') . 'lst.id_topic = t.id_topic)'; if (!$createTemporary) { $main_query['parameters']['id_search'] = $_SESSION['search_cache']['id_search']; } } } $indexedResults = 0; // We building an index? if ($searchAPI->supportsMethod('indexedWordQuery', $query_params)) { $inserts = array(); $smcFunc['db_search_query']('drop_tmp_log_search_messages', ' DROP TABLE IF EXISTS {db_prefix}tmp_log_search_messages', array('db_error_skip' => true)); $createTemporary = $smcFunc['db_search_query']('create_tmp_log_search_messages', ' CREATE TEMPORARY TABLE {db_prefix}tmp_log_search_messages ( id_msg int(10) unsigned NOT NULL default {string:string_zero}, PRIMARY KEY (id_msg) ) ENGINE=MEMORY', array('string_zero' => '0', 'db_error_skip' => true)) !== false; // Clear, all clear! if (!$createTemporary) { $smcFunc['db_search_query']('delete_log_search_messages', ' DELETE FROM {db_prefix}log_search_messages WHERE id_search = {int:id_search}', array('id_search' => $_SESSION['search_cache']['id_search'])); } foreach ($searchWords as $orIndex => $words) { // Search for this word, assuming we have some words! if (!empty($words['indexed_words'])) { // Variables required for the search. $search_data = array('insert_into' => ($createTemporary ? 'tmp_' : '') . 'log_search_messages', 'no_regexp' => $no_regexp, 'max_results' => $maxMessageResults, 'indexed_results' => $indexedResults, 'params' => array('id_search' => !$createTemporary ? $_SESSION['search_cache']['id_search'] : 0, 'excluded_words' => $excludedWords, 'user_query' => !empty($userQuery) ? $userQuery : '', 'board_query' => !empty($boardQuery) ? $boardQuery : '', 'topic' => !empty($search_params['topic']) ? $search_params['topic'] : 0, 'min_msg_id' => !empty($minMsgID) ? $minMsgID : 0, 'max_msg_id' => !empty($maxMsgID) ? $maxMsgID : 0, 'excluded_phrases' => !empty($excludedPhrases) ? $excludedPhrases : array(), 'excluded_index_words' => !empty($excludedIndexWords) ? $excludedIndexWords : array(), 'excluded_subject_words' => !empty($excludedSubjectWords) ? $excludedSubjectWords : array())); $ignoreRequest = $searchAPI->indexedWordQuery($words, $search_data); if (!$smcFunc['db_support_ignore']) { while ($row = $smcFunc['db_fetch_row']($ignoreRequest)) { // No duplicates! if (isset($inserts[$row[0]])) { continue; } $inserts[$row[0]] = $row; } $smcFunc['db_free_result']($ignoreRequest); $indexedResults = count($inserts); } else { $indexedResults += $smcFunc['db_affected_rows'](); } if (!empty($maxMessageResults) && $indexedResults >= $maxMessageResults) { break; } } } // More non-MySQL stuff needed? if (!empty($inserts)) { $smcFunc['db_insert']('', '{db_prefix}' . ($createTemporary ? 'tmp_' : '') . 'log_search_messages', $createTemporary ? array('id_msg' => 'int') : array('id_msg' => 'int', 'id_search' => 'int'), $inserts, $createTemporary ? array('id_msg') : array('id_msg', 'id_search')); } if (empty($indexedResults) && empty($numSubjectResults) && !empty($modSettings['search_force_index'])) { $context['search_errors']['query_not_specific_enough'] = true; $_REQUEST['params'] = $context['params']; return PlushSearch1(); } elseif (!empty($indexedResults)) { $main_query['inner_join'][] = '{db_prefix}' . ($createTemporary ? 'tmp_' : '') . 'log_search_messages AS lsm ON (lsm.id_msg = m.id_msg)'; if (!$createTemporary) { $main_query['where'][] = 'lsm.id_search = {int:id_search}'; $main_query['parameters']['id_search'] = $_SESSION['search_cache']['id_search']; } } } else { $orWhere = array(); $count = 0; foreach ($searchWords as $orIndex => $words) { $where = array(); foreach ($words['all_words'] as $regularWord) { $where[] = 'm.body' . (in_array($regularWord, $excludedWords) ? ' NOT' : '') . (empty($modSettings['search_match_words']) || $no_regexp ? ' LIKE ' : ' RLIKE ') . '{string:all_word_body_' . $count . '}'; if (in_array($regularWord, $excludedWords)) { $where[] = 'm.subject NOT' . (empty($modSettings['search_match_words']) || $no_regexp ? ' LIKE ' : ' RLIKE ') . '{string:all_word_body_' . $count . '}'; } $main_query['parameters']['all_word_body_' . $count++] = empty($modSettings['search_match_words']) || $no_regexp ? '%' . strtr($regularWord, array('_' => '\\_', '%' => '\\%')) . '%' : '[[:<:]]' . addcslashes(preg_replace(array('/([\\[\\]$.+*?|{}()])/'), array('[$1]'), $regularWord), '\\\'') . '[[:>:]]'; } if (!empty($where)) { $orWhere[] = count($where) > 1 ? '(' . implode(' AND ', $where) . ')' : $where[0]; } } if (!empty($orWhere)) { $main_query['where'][] = count($orWhere) > 1 ? '(' . implode(' OR ', $orWhere) . ')' : $orWhere[0]; } if (!empty($userQuery)) { $main_query['where'][] = '{raw:user_query}'; $main_query['parameters']['user_query'] = $userQuery; } if (!empty($search_params['topic'])) { $main_query['where'][] = 'm.id_topic = {int:topic}'; $main_query['parameters']['topic'] = $search_params['topic']; } if (!empty($minMsgID)) { $main_query['where'][] = 'm.id_msg >= {int:min_msg_id}'; $main_query['parameters']['min_msg_id'] = $minMsgID; } if (!empty($maxMsgID)) { $main_query['where'][] = 'm.id_msg <= {int:max_msg_id}'; $main_query['parameters']['max_msg_id'] = $maxMsgID; } if (!empty($boardQuery)) { $main_query['where'][] = 'm.id_board {raw:board_query}'; $main_query['parameters']['board_query'] = $boardQuery; } } // Did we either get some indexed results, or otherwise did not do an indexed query? if (!empty($indexedResults) || !$searchAPI->supportsMethod('indexedWordQuery', $query_params)) { $relevance = '1000 * ('; $new_weight_total = 0; foreach ($main_query['weights'] as $type => $value) { $relevance .= $weight[$type] . ' * ' . $value . ' + '; $new_weight_total += $weight[$type]; } $main_query['select']['relevance'] = substr($relevance, 0, -3) . ') / ' . $new_weight_total . ' AS relevance'; $ignoreRequest = $smcFunc['db_search_query']('insert_log_search_results_no_index', ($smcFunc['db_support_ignore'] ? ' INSERT IGNORE INTO ' . '{db_prefix}log_search_results (' . implode(', ', array_keys($main_query['select'])) . ')' : '') . ' SELECT ' . implode(', ', $main_query['select']) . ' FROM ' . $main_query['from'] . (empty($main_query['inner_join']) ? '' : ' INNER JOIN ' . implode(' INNER JOIN ', $main_query['inner_join'])) . (empty($main_query['left_join']) ? '' : ' LEFT JOIN ' . implode(' LEFT JOIN ', $main_query['left_join'])) . (!empty($main_query['where']) ? ' WHERE ' : '') . implode(' AND ', $main_query['where']) . (empty($main_query['group_by']) ? '' : ' GROUP BY ' . implode(', ', $main_query['group_by'])) . (empty($modSettings['search_max_results']) ? '' : ' LIMIT ' . $modSettings['search_max_results']), $main_query['parameters']); // We love to handle non-good databases that don't support our ignore! if (!$smcFunc['db_support_ignore']) { $inserts = array(); while ($row = $smcFunc['db_fetch_row']($ignoreRequest)) { // No duplicates! if (isset($inserts[$row[2]])) { continue; } foreach ($row as $key => $value) { $inserts[$row[2]][] = (int) $row[$key]; } } $smcFunc['db_free_result']($ignoreRequest); // Now put them in! if (!empty($inserts)) { $query_columns = array(); foreach ($main_query['select'] as $k => $v) { $query_columns[$k] = 'int'; } $smcFunc['db_insert']('', '{db_prefix}log_search_results', $query_columns, $inserts, array('id_search', 'id_topic')); } $_SESSION['search_cache']['num_results'] += count($inserts); } else { $_SESSION['search_cache']['num_results'] = $smcFunc['db_affected_rows'](); } } // Insert subject-only matches. if ($_SESSION['search_cache']['num_results'] < $modSettings['search_max_results'] && $numSubjectResults !== 0) { $usedIDs = array_flip(empty($inserts) ? array() : array_keys($inserts)); $ignoreRequest = $smcFunc['db_search_query']('insert_log_search_results_sub_only', ($smcFunc['db_support_ignore'] ? ' INSERT IGNORE INTO {db_prefix}log_search_results (id_search, id_topic, relevance, id_msg, num_matches)' : '') . ' SELECT {int:id_search}, t.id_topic, 1000 * ( {int:weight_frequency} / (t.num_replies + 1) + {int:weight_age} * CASE WHEN t.id_first_msg < {int:min_msg} THEN 0 ELSE (t.id_first_msg - {int:min_msg}) / {int:recent_message} END + {int:weight_length} * CASE WHEN t.num_replies < {int:huge_topic_posts} THEN t.num_replies / {int:huge_topic_posts} ELSE 1 END + {int:weight_subject} + {int:weight_sticky} * t.is_sticky ) / {int:weight_total} AS relevance, t.id_first_msg, 1 FROM {db_prefix}topics AS t INNER JOIN {db_prefix}' . ($createTemporary ? 'tmp_' : '') . 'log_search_topics AS lst ON (lst.id_topic = t.id_topic)' . ($createTemporary ? '' : 'WHERE lst.id_search = {int:id_search}') . (empty($modSettings['search_max_results']) ? '' : ' LIMIT ' . ($modSettings['search_max_results'] - $_SESSION['search_cache']['num_results'])), array('id_search' => $_SESSION['search_cache']['id_search'], 'weight_age' => $weight['age'], 'weight_frequency' => $weight['frequency'], 'weight_length' => $weight['frequency'], 'weight_sticky' => $weight['frequency'], 'weight_subject' => $weight['frequency'], 'weight_total' => $weight_total, 'min_msg' => $minMsg, 'recent_message' => $recentMsg, 'huge_topic_posts' => $humungousTopicPosts)); // Once again need to do the inserts if the database don't support ignore! if (!$smcFunc['db_support_ignore']) { $inserts = array(); while ($row = $smcFunc['db_fetch_row']($ignoreRequest)) { // No duplicates! if (isset($usedIDs[$row[1]])) { continue; } $usedIDs[$row[1]] = true; $inserts[] = $row; } $smcFunc['db_free_result']($ignoreRequest); // Now put them in! if (!empty($inserts)) { $smcFunc['db_insert']('', '{db_prefix}log_search_results', array('id_search' => 'int', 'id_topic' => 'int', 'relevance' => 'float', 'id_msg' => 'int', 'num_matches' => 'int'), $inserts, array('id_search', 'id_topic')); } $_SESSION['search_cache']['num_results'] += count($inserts); } else { $_SESSION['search_cache']['num_results'] += $smcFunc['db_affected_rows'](); } } else { $_SESSION['search_cache']['num_results'] = 0; } } } // *** Retrieve the results to be shown on the page $participants = array(); $request = $smcFunc['db_search_query']('', ' SELECT ' . (empty($search_params['topic']) ? 'lsr.id_topic' : $search_params['topic'] . ' AS id_topic') . ', lsr.id_msg, lsr.relevance, lsr.num_matches FROM {db_prefix}log_search_results AS lsr' . ($search_params['sort'] == 'num_replies' ? ' INNER JOIN {db_prefix}topics AS t ON (t.id_topic = lsr.id_topic)' : '') . ' WHERE lsr.id_search = {int:id_search} ORDER BY ' . $search_params['sort'] . ' ' . $search_params['sort_dir'] . ' LIMIT ' . (int) $_REQUEST['start'] . ', ' . $modSettings['search_results_per_page'], array('id_search' => $_SESSION['search_cache']['id_search'])); while ($row = $smcFunc['db_fetch_assoc']($request)) { $context['topics'][$row['id_msg']] = array('relevance' => round($row['relevance'] / 10, 1) . '%', 'num_matches' => $row['num_matches'], 'matches' => array()); // By default they didn't participate in the topic! $participants[$row['id_topic']] = false; } $smcFunc['db_free_result']($request); $num_results = $_SESSION['search_cache']['num_results']; } if (!empty($context['topics'])) { // Create an array for the permissions. $boards_can = array('post_reply_own' => boardsAllowedTo('post_reply_own'), 'post_reply_any' => boardsAllowedTo('post_reply_any'), 'mark_any_notify' => boardsAllowedTo('mark_any_notify')); // How's about some quick moderation? if (!empty($options['display_quick_mod'])) { $boards_can['lock_any'] = boardsAllowedTo('lock_any'); $boards_can['lock_own'] = boardsAllowedTo('lock_own'); $boards_can['make_sticky'] = boardsAllowedTo('make_sticky'); $boards_can['move_any'] = boardsAllowedTo('move_any'); $boards_can['move_own'] = boardsAllowedTo('move_own'); $boards_can['remove_any'] = boardsAllowedTo('remove_any'); $boards_can['remove_own'] = boardsAllowedTo('remove_own'); $boards_can['merge_any'] = boardsAllowedTo('merge_any'); $context['can_lock'] = in_array(0, $boards_can['lock_any']); $context['can_sticky'] = in_array(0, $boards_can['make_sticky']) && !empty($modSettings['enableStickyTopics']); $context['can_move'] = in_array(0, $boards_can['move_any']); $context['can_remove'] = in_array(0, $boards_can['remove_any']); $context['can_merge'] = in_array(0, $boards_can['merge_any']); } // What messages are we using? $msg_list = array_keys($context['topics']); // Load the posters... $request = $smcFunc['db_query']('', ' SELECT id_member FROM {db_prefix}messages WHERE id_member != {int:no_member} AND id_msg IN ({array_int:message_list}) LIMIT ' . count($context['topics']), array('message_list' => $msg_list, 'no_member' => 0)); $posters = array(); while ($row = $smcFunc['db_fetch_assoc']($request)) { $posters[] = $row['id_member']; } $smcFunc['db_free_result']($request); if (!empty($posters)) { loadMemberData(array_unique($posters)); } // Get the messages out for the callback - select enough that it can be made to look just like Display. $messages_request = $smcFunc['db_query']('', ' SELECT m.id_msg, m.subject, m.poster_name, m.poster_email, m.poster_time, m.id_member, m.icon, m.poster_ip, m.body, m.smileys_enabled, m.modified_time, m.modified_name, first_m.id_msg AS first_msg, first_m.subject AS first_subject, first_m.icon AS first_icon, first_m.poster_time AS first_poster_time, first_mem.id_member AS first_member_id, IFNULL(first_mem.real_name, first_m.poster_name) AS first_member_name, last_m.id_msg AS last_msg, last_m.poster_time AS last_poster_time, last_mem.id_member AS last_member_id, IFNULL(last_mem.real_name, last_m.poster_name) AS last_member_name, last_m.icon AS last_icon, last_m.subject AS last_subject, t.id_topic, t.is_sticky, t.locked, t.id_poll, t.num_replies, t.num_views, b.id_board, b.name AS board_name, c.id_cat, c.name AS cat_name FROM {db_prefix}messages AS m INNER JOIN {db_prefix}topics AS t ON (t.id_topic = m.id_topic) INNER JOIN {db_prefix}boards AS b ON (b.id_board = t.id_board) INNER JOIN {db_prefix}categories AS c ON (c.id_cat = b.id_cat) INNER JOIN {db_prefix}messages AS first_m ON (first_m.id_msg = t.id_first_msg) INNER JOIN {db_prefix}messages AS last_m ON (last_m.id_msg = t.id_last_msg) LEFT JOIN {db_prefix}members AS first_mem ON (first_mem.id_member = first_m.id_member) LEFT JOIN {db_prefix}members AS last_mem ON (last_mem.id_member = first_m.id_member) WHERE m.id_msg IN ({array_int:message_list})' . ($modSettings['postmod_active'] ? ' AND m.approved = {int:is_approved}' : '') . ' ORDER BY FIND_IN_SET(m.id_msg, {string:message_list_in_set}) LIMIT {int:limit}', array('message_list' => $msg_list, 'is_approved' => 1, 'message_list_in_set' => implode(',', $msg_list), 'limit' => count($context['topics']))); // If there are no results that means the things in the cache got deleted, so pretend we have no topics anymore. if ($smcFunc['db_num_rows']($messages_request) == 0) { $context['topics'] = array(); } // If we want to know who participated in what then load this now. if (!empty($modSettings['enableParticipation']) && !$user_info['is_guest']) { $result = $smcFunc['db_query']('', ' SELECT id_topic FROM {db_prefix}messages WHERE id_topic IN ({array_int:topic_list}) AND id_member = {int:current_member} GROUP BY id_topic LIMIT ' . count($participants), array('current_member' => $user_info['id'], 'topic_list' => array_keys($participants))); while ($row = $smcFunc['db_fetch_assoc']($result)) { $participants[$row['id_topic']] = true; } $smcFunc['db_free_result']($result); } } // Now that we know how many results to expect we can start calculating the page numbers. $context['page_index'] = constructPageIndex($scripturl . '?action=search2;params=' . $context['params'], $_REQUEST['start'], $num_results, $modSettings['search_results_per_page'], false); // Consider the search complete! if (!empty($modSettings['cache_enable']) && $modSettings['cache_enable'] >= 2) { cache_put_data('search_start:' . ($user_info['is_guest'] ? $user_info['ip'] : $user_info['id']), null, 90); } $context['key_words'] =& $searchArray; // Setup the default topic icons... for checking they exist and the like! $stable_icons = array('xx', 'thumbup', 'thumbdown', 'exclamation', 'question', 'lamp', 'smiley', 'angry', 'cheesy', 'grin', 'sad', 'wink', 'moved', 'recycled', 'wireless', 'clip'); $context['icon_sources'] = array(); foreach ($stable_icons as $icon) { $context['icon_sources'][$icon] = 'images_url'; } $context['sub_template'] = 'results'; $context['page_title'] = $txt['search_results']; $context['get_topics'] = 'prepareSearchContext'; $context['can_send_pm'] = allowedTo('pm_send'); $context['jump_to'] = array('label' => addslashes(un_htmlspecialchars($txt['jump_to'])), 'board_name' => addslashes(un_htmlspecialchars($txt['select_destination']))); }