0,0 → 1,498 |
<?php |
/*************************************************************************** |
* functions_search.php |
* ------------------- |
* begin : Wed Sep 05 2001 |
* copyright : (C) 2002 The phpBB Group |
* email : support@phpbb.com |
* |
* $Id: functions_search.php,v 1.8.2.20 2005/09/14 18:14:30 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; |
} |
|
?> |