+++ /dev/null
-<?php
-/***************************************************************************
-* functions_search.php
-* -------------------
-* begin : Wed Sep 05 2001
-* copyright : (C) 2002 The phpBB Group
-* email : support@phpbb.com
-*
-* $Id: functions_search.php,v 1.8.2.19 2004/11/18 17:49:45 acydburn Exp $
-*
-****************************************************************************/
-
-/***************************************************************************
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- ***************************************************************************/
-
-function clean_words($mode, &$entry, &$stopword_list, &$synonym_list)
-{
- static $drop_char_match = array('^', '$', '&', '(', ')', '<', '>', '`', '\'', '"', '|', ',', '@', '_', '?', '%', '-', '~', '+', '.', '[', ']', '{', '}', ':', '\\', '/', '=', '#', '\'', ';', '!');
- static $drop_char_replace = array(' ', ' ', ' ', ' ', ' ', ' ', ' ', '', '', ' ', ' ', ' ', ' ', '', ' ', ' ', '', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ' , ' ', ' ', ' ', ' ', ' ', ' ');
-
- $entry = ' ' . strip_tags(strtolower($entry)) . ' ';
-
- if ( $mode == 'post' )
- {
- // Replace line endings by a space
- $entry = preg_replace('/[\n\r]/is', ' ', $entry);
- // HTML entities like
- $entry = preg_replace('/\b&[a-z]+;\b/', ' ', $entry);
- // Remove URL's
- $entry = preg_replace('/\b[a-z0-9]+:\/\/[a-z0-9\.\-]+(\/[a-z0-9\?\.%_\-\+=&\/]+)?/', ' ', $entry);
- // Quickly remove BBcode.
- $entry = preg_replace('/\[img:[a-z0-9]{10,}\].*?\[\/img:[a-z0-9]{10,}\]/', ' ', $entry);
- $entry = preg_replace('/\[\/?url(=.*?)?\]/', ' ', $entry);
- $entry = preg_replace('/\[\/?[a-z\*=\+\-]+(\:?[0-9a-z]+)?:[a-z0-9]{10,}(\:[a-z0-9]+)?=?.*?\]/', ' ', $entry);
- }
- else if ( $mode == 'search' )
- {
- $entry = str_replace(' +', ' and ', $entry);
- $entry = str_replace(' -', ' not ', $entry);
- }
-
- //
- // Filter out strange characters like ^, $, &, change "it's" to "its"
- //
- for($i = 0; $i < count($drop_char_match); $i++)
- {
- $entry = str_replace($drop_char_match[$i], $drop_char_replace[$i], $entry);
- }
-
- if ( $mode == 'post' )
- {
- $entry = str_replace('*', ' ', $entry);
-
- // 'words' that consist of <3 or >20 characters are removed.
- $entry = preg_replace('/[ ]([\S]{1,2}|[\S]{21,})[ ]/',' ', $entry);
- }
-
- if ( !empty($stopword_list) )
- {
- for ($j = 0; $j < count($stopword_list); $j++)
- {
- $stopword = trim($stopword_list[$j]);
-
- if ( $mode == 'post' || ( $stopword != 'not' && $stopword != 'and' && $stopword != 'or' ) )
- {
- $entry = str_replace(' ' . trim($stopword) . ' ', ' ', $entry);
- }
- }
- }
-
- if ( !empty($synonym_list) )
- {
- for ($j = 0; $j < count($synonym_list); $j++)
- {
- list($replace_synonym, $match_synonym) = split(' ', trim(strtolower($synonym_list[$j])));
- if ( $mode == 'post' || ( $match_synonym != 'not' && $match_synonym != 'and' && $match_synonym != 'or' ) )
- {
- $entry = str_replace(' ' . trim($match_synonym) . ' ', ' ' . trim($replace_synonym) . ' ', $entry);
- }
- }
- }
-
- return $entry;
-}
-
-function split_words(&$entry, $mode = 'post')
-{
- // If you experience problems with the new method, uncomment this block.
-/*
- $rex = ( $mode == 'post' ) ? "/\b([\w±µ-ÿ][\w±µ-ÿ']*[\w±µ-ÿ]+|[\w±µ-ÿ]+?)\b/" : '/(\*?[a-z0-9±µ-ÿ]+\*?)|\b([a-z0-9±µ-ÿ]+)\b/';
- preg_match_all($rex, $entry, $split_entries);
-
- return $split_entries[1];
-*/
- // Trim 1+ spaces to one space and split this trimmed string into words.
- return explode(' ', trim(preg_replace('#\s+#', ' ', $entry)));
-}
-
-function add_search_words($mode, $post_id, $post_text, $post_title = '')
-{
- global $db, $phpbb_root_path, $board_config, $lang;
-
- $stopword_array = @file($phpbb_root_path . 'language/lang_' . $board_config['default_lang'] . "/search_stopwords.txt");
- $synonym_array = @file($phpbb_root_path . 'language/lang_' . $board_config['default_lang'] . "/search_synonyms.txt");
-
- $search_raw_words = array();
- $search_raw_words['text'] = split_words(clean_words('post', $post_text, $stopword_array, $synonym_array));
- $search_raw_words['title'] = split_words(clean_words('post', $post_title, $stopword_array, $synonym_array));
-
- @set_time_limit(0);
-
- $word = array();
- $word_insert_sql = array();
- while ( list($word_in, $search_matches) = @each($search_raw_words) )
- {
- $word_insert_sql[$word_in] = '';
- if ( !empty($search_matches) )
- {
- for ($i = 0; $i < count($search_matches); $i++)
- {
- $search_matches[$i] = trim($search_matches[$i]);
-
- if( $search_matches[$i] != '' )
- {
- $word[] = $search_matches[$i];
- if ( !strstr($word_insert_sql[$word_in], "'" . $search_matches[$i] . "'") )
- {
- $word_insert_sql[$word_in] .= ( $word_insert_sql[$word_in] != "" ) ? ", '" . $search_matches[$i] . "'" : "'" . $search_matches[$i] . "'";
- }
- }
- }
- }
- }
-
- if ( count($word) )
- {
- sort($word);
-
- $prev_word = '';
- $word_text_sql = '';
- $temp_word = array();
- for($i = 0; $i < count($word); $i++)
- {
- if ( $word[$i] != $prev_word )
- {
- $temp_word[] = $word[$i];
- $word_text_sql .= ( ( $word_text_sql != '' ) ? ', ' : '' ) . "'" . $word[$i] . "'";
- }
- $prev_word = $word[$i];
- }
- $word = $temp_word;
-
- $check_words = array();
- switch( SQL_LAYER )
- {
- case 'postgresql':
- case 'msaccess':
- case 'mssql-odbc':
- case 'oracle':
- case 'db2':
- $sql = "SELECT word_id, word_text
- FROM " . SEARCH_WORD_TABLE . "
- WHERE word_text IN ($word_text_sql)";
- if ( !($result = $db->sql_query($sql)) )
- {
- message_die(GENERAL_ERROR, 'Could not select words', '', __LINE__, __FILE__, $sql);
- }
-
- while ( $row = $db->sql_fetchrow($result) )
- {
- $check_words[$row['word_text']] = $row['word_id'];
- }
- break;
- }
-
- $value_sql = '';
- $match_word = array();
- for ($i = 0; $i < count($word); $i++)
- {
- $new_match = true;
- if ( isset($check_words[$word[$i]]) )
- {
- $new_match = false;
- }
-
- if ( $new_match )
- {
- switch( SQL_LAYER )
- {
- case 'mysql':
- case 'mysql4':
- $value_sql .= ( ( $value_sql != '' ) ? ', ' : '' ) . '(\'' . $word[$i] . '\', 0)';
- break;
- case 'mssql':
- case 'mssql-odbc':
- $value_sql .= ( ( $value_sql != '' ) ? ' UNION ALL ' : '' ) . "SELECT '" . $word[$i] . "', 0";
- break;
- default:
- $sql = "INSERT INTO " . SEARCH_WORD_TABLE . " (word_text, word_common)
- VALUES ('" . $word[$i] . "', 0)";
- if( !$db->sql_query($sql) )
- {
- message_die(GENERAL_ERROR, 'Could not insert new word', '', __LINE__, __FILE__, $sql);
- }
- break;
- }
- }
- }
-
- if ( $value_sql != '' )
- {
- switch ( SQL_LAYER )
- {
- case 'mysql':
- case 'mysql4':
- $sql = "INSERT IGNORE INTO " . SEARCH_WORD_TABLE . " (word_text, word_common)
- VALUES $value_sql";
- break;
- case 'mssql':
- case 'mssql-odbc':
- $sql = "INSERT INTO " . SEARCH_WORD_TABLE . " (word_text, word_common)
- $value_sql";
- break;
- }
-
- if ( !$db->sql_query($sql) )
- {
- message_die(GENERAL_ERROR, 'Could not insert new word', '', __LINE__, __FILE__, $sql);
- }
- }
- }
-
- while( list($word_in, $match_sql) = @each($word_insert_sql) )
- {
- $title_match = ( $word_in == 'title' ) ? 1 : 0;
-
- if ( $match_sql != '' )
- {
- $sql = "INSERT INTO " . SEARCH_MATCH_TABLE . " (post_id, word_id, title_match)
- SELECT $post_id, word_id, $title_match
- FROM " . SEARCH_WORD_TABLE . "
- WHERE word_text IN ($match_sql)";
- if ( !$db->sql_query($sql) )
- {
- message_die(GENERAL_ERROR, 'Could not insert new word matches', '', __LINE__, __FILE__, $sql);
- }
- }
- }
-
- if ($mode == 'single')
- {
- remove_common('single', 4/10, $word);
- }
-
- return;
-}
-
-//
-// Check if specified words are too common now
-//
-function remove_common($mode, $fraction, $word_id_list = array())
-{
- global $db;
-
- $sql = "SELECT COUNT(post_id) AS total_posts
- FROM " . POSTS_TABLE;
- if ( !($result = $db->sql_query($sql)) )
- {
- message_die(GENERAL_ERROR, 'Could not obtain post count', '', __LINE__, __FILE__, $sql);
- }
-
- $row = $db->sql_fetchrow($result);
-
- if ( $row['total_posts'] >= 100 )
- {
- $common_threshold = floor($row['total_posts'] * $fraction);
-
- if ( $mode == 'single' && count($word_id_list) )
- {
- $word_id_sql = '';
- for($i = 0; $i < count($word_id_list); $i++)
- {
- $word_id_sql .= ( ( $word_id_sql != '' ) ? ', ' : '' ) . "'" . $word_id_list[$i] . "'";
- }
-
- $sql = "SELECT m.word_id
- FROM " . SEARCH_MATCH_TABLE . " m, " . SEARCH_WORD_TABLE . " w
- WHERE w.word_text IN ($word_id_sql)
- AND m.word_id = w.word_id
- GROUP BY m.word_id
- HAVING COUNT(m.word_id) > $common_threshold";
- }
- else
- {
- $sql = "SELECT word_id
- FROM " . SEARCH_MATCH_TABLE . "
- GROUP BY word_id
- HAVING COUNT(word_id) > $common_threshold";
- }
-
- if ( !($result = $db->sql_query($sql)) )
- {
- message_die(GENERAL_ERROR, 'Could not obtain common word list', '', __LINE__, __FILE__, $sql);
- }
-
- $common_word_id = '';
- while ( $row = $db->sql_fetchrow($result) )
- {
- $common_word_id .= ( ( $common_word_id != '' ) ? ', ' : '' ) . $row['word_id'];
- }
- $db->sql_freeresult($result);
-
- if ( $common_word_id != '' )
- {
- $sql = "UPDATE " . SEARCH_WORD_TABLE . "
- SET word_common = " . TRUE . "
- WHERE word_id IN ($common_word_id)";
- if ( !$db->sql_query($sql) )
- {
- message_die(GENERAL_ERROR, 'Could not delete word list entry', '', __LINE__, __FILE__, $sql);
- }
-
- $sql = "DELETE FROM " . SEARCH_MATCH_TABLE . "
- WHERE word_id IN ($common_word_id)";
- if ( !$db->sql_query($sql) )
- {
- message_die(GENERAL_ERROR, 'Could not delete word match entry', '', __LINE__, __FILE__, $sql);
- }
- }
- }
-
- return;
-}
-
-function remove_search_post($post_id_sql)
-{
- global $db;
-
- $words_removed = false;
-
- switch ( SQL_LAYER )
- {
- case 'mysql':
- case 'mysql4':
- $sql = "SELECT word_id
- FROM " . SEARCH_MATCH_TABLE . "
- WHERE post_id IN ($post_id_sql)
- GROUP BY word_id";
- if ( $result = $db->sql_query($sql) )
- {
- $word_id_sql = '';
- while ( $row = $db->sql_fetchrow($result) )
- {
- $word_id_sql .= ( $word_id_sql != '' ) ? ', ' . $row['word_id'] : $row['word_id'];
- }
-
- $sql = "SELECT word_id
- FROM " . SEARCH_MATCH_TABLE . "
- WHERE word_id IN ($word_id_sql)
- GROUP BY word_id
- HAVING COUNT(word_id) = 1";
- if ( $result = $db->sql_query($sql) )
- {
- $word_id_sql = '';
- while ( $row = $db->sql_fetchrow($result) )
- {
- $word_id_sql .= ( $word_id_sql != '' ) ? ', ' . $row['word_id'] : $row['word_id'];
- }
-
- if ( $word_id_sql != '' )
- {
- $sql = "DELETE FROM " . SEARCH_WORD_TABLE . "
- WHERE word_id IN ($word_id_sql)";
- if ( !$db->sql_query($sql) )
- {
- message_die(GENERAL_ERROR, 'Could not delete word list entry', '', __LINE__, __FILE__, $sql);
- }
-
- $words_removed = $db->sql_affectedrows();
- }
- }
- }
- break;
-
- default:
- $sql = "DELETE FROM " . SEARCH_WORD_TABLE . "
- WHERE word_id IN (
- SELECT word_id
- FROM " . SEARCH_MATCH_TABLE . "
- WHERE word_id IN (
- SELECT word_id
- FROM " . SEARCH_MATCH_TABLE . "
- WHERE post_id IN ($post_id_sql)
- GROUP BY word_id
- )
- GROUP BY word_id
- HAVING COUNT(word_id) = 1
- )";
- if ( !$db->sql_query($sql) )
- {
- message_die(GENERAL_ERROR, 'Could not delete old words from word table', '', __LINE__, __FILE__, $sql);
- }
-
- $words_removed = $db->sql_affectedrows();
-
- break;
- }
-
- $sql = "DELETE FROM " . SEARCH_MATCH_TABLE . "
- WHERE post_id IN ($post_id_sql)";
- if ( !$db->sql_query($sql) )
- {
- message_die(GENERAL_ERROR, 'Error in deleting post', '', __LINE__, __FILE__, $sql);
- }
-
- return $words_removed;
-}
-
-//
-// Username search
-//
-function username_search($search_match)
-{
- global $db, $board_config, $template, $lang, $images, $theme, $phpEx, $phpbb_root_path;
- global $starttime, $gen_simple_header;
-
- $gen_simple_header = TRUE;
-
- $username_list = '';
- if ( !empty($search_match) )
- {
- $username_search = preg_replace('/\*/', '%', phpbb_clean_username($search_match));
-
- $sql = "SELECT username
- FROM " . USERS_TABLE . "
- WHERE username LIKE '" . str_replace("\'", "''", $username_search) . "' AND user_id <> " . ANONYMOUS . "
- ORDER BY username";
- if ( !($result = $db->sql_query($sql)) )
- {
- message_die(GENERAL_ERROR, 'Could not obtain search results', '', __LINE__, __FILE__, $sql);
- }
-
- if ( $row = $db->sql_fetchrow($result) )
- {
- do
- {
- $username_list .= '<option value="' . $row['username'] . '">' . $row['username'] . '</option>';
- }
- while ( $row = $db->sql_fetchrow($result) );
- }
- else
- {
- $username_list .= '<option>' . $lang['No_match']. '</option>';
- }
- $db->sql_freeresult($result);
- }
-
- $page_title = $lang['Search'];
- include($phpbb_root_path . 'includes/page_header.'.$phpEx);
-
- $template->set_filenames(array(
- 'search_user_body' => 'search_username.tpl')
- );
-
- $template->assign_vars(array(
- 'USERNAME' => (!empty($search_match)) ? phpbb_clean_username($search_match) : '',
-
- 'L_CLOSE_WINDOW' => $lang['Close_window'],
- 'L_SEARCH_USERNAME' => $lang['Find_username'],
- 'L_UPDATE_USERNAME' => $lang['Select_username'],
- 'L_SELECT' => $lang['Select'],
- 'L_SEARCH' => $lang['Search'],
- 'L_SEARCH_EXPLAIN' => $lang['Search_author_explain'],
- 'L_CLOSE_WINDOW' => $lang['Close_window'],
-
- 'S_USERNAME_OPTIONS' => $username_list,
- 'S_SEARCH_ACTION' => append_sid("search.$phpEx?mode=searchuser"))
- );
-
- if ( $username_list != '' )
- {
- $template->assign_block_vars('switch_select_name', array());
- }
-
- $template->pparse('search_user_body');
-
- include($phpbb_root_path . 'includes/page_tail.'.$phpEx);
-
- return;
-}
-
-?>
\ No newline at end of file