function verify_word_allowed(&$word)
{
global $vbulletin, $phrasequery;
$wordlower = strtolower($word);
// check if the word contains wildcards
if (strpos($wordlower, '*') !== false) {
// check if wildcards are allowed
if ($vbulletin->options['allowwildcards']) {
// check the length of the word with all * characters removed
// and make sure it's at least (minsearchlength - 1) characters long
// in order to prevent searches like *a**... which would be bad
if (vbstrlen(str_replace('*', '', $wordlower)) < $vbulletin->options['minsearchlength'] - 1) {
// word is too short
$word = htmlspecialchars_uni($word);
eval(standard_error(fetch_error('searchinvalidterm', $word, $vbulletin->options['minsearchlength'])));
} else {
// word is of valid length
return true;
}
} else {
// wildcards are not allowed - error
$word = htmlspecialchars_uni($word);
eval(standard_error(fetch_error('searchinvalidterm', $word, $vbulletin->options['minsearchlength'])));
}
} else {
if ($wordokay = is_index_word($word)) {
return true;
} else {
// word is a bad word (common, too long, or too short; don't search on it)
return false;
}
}
}
/**
* Prepare meta description to use first 20 keywords of the artile if it's not set. See bug #30456
*/
protected function prepareFields()
{
parent::prepareFields();
if ((empty($this->set_fields['description']) OR $this->set_fields['description'] == (string) new vB_Phrase('vbcms', 'new_article'))
AND !empty($this->type_set_fields['pagetext']))
{
require_once(DIR . '/includes/functions_databuild.php');
$words = fetch_postindex_text($this->type_set_fields['pagetext']);
$wordarray = split_string($words);
$scores = array();
foreach ($wordarray AS $word)
{
if (!is_index_word($word))
{
continue;
}
$scores[$word]++;
}
// Sort scores
arsort($scores, SORT_NUMERIC);
$scores = array_slice($scores, 0, 10, true);
$this->set_fields['description'] = '';
foreach ($scores as $k => $v)
{
$this->set_fields['description'] .= $k . ' ';
}
$this->set_fields['description'] = trim($this->set_fields['description']);
}
}
function build_post_index($postid, $foruminfo, $firstpost = -1, $post = false)
{
global $vbulletin;
if ($vbulletin->options['fulltextsearch']) {
return;
}
if (!empty($post['postid'])) {
$postid = $post['postid'];
}
$postid = intval($postid);
if (!$postid) {
// no postid, don't know what to do anyway
return;
}
if ($foruminfo['indexposts']) {
global $vbulletin;
static $firstpst;
if (is_array($post)) {
if (isset($post['threadtitle'])) {
$threadinfo = array('title' => $post['threadtitle']);
}
} else {
$post = $vbulletin->db->query_first("\n\t\t\t\tSELECT postid, post.title, pagetext, post.threadid, thread.title AS threadtitle\n\t\t\t\tFROM " . TABLE_PREFIX . "post AS post\n\t\t\t\tINNER JOIN " . TABLE_PREFIX . "thread AS thread USING(threadid)\n\t\t\t\tWHERE postid = {$postid}\n\t\t\t");
$threadinfo = array('title' => $post['threadtitle']);
}
if (isset($firstpst["{$post['threadid']}"])) {
if ($firstpst["{$post['threadid']}"] == $postid) {
$firstpost = 1;
} else {
$firstpost = 0;
}
}
if ($firstpost == -1) {
$getfirstpost = $vbulletin->db->query_first("\n\t\t\t\tSELECT MIN(postid) AS postid\n\t\t\t\tFROM " . TABLE_PREFIX . "post\n\t\t\t\tWHERE threadid = " . intval($post['threadid']));
if ($getfirstpost['postid'] == $postid) {
$firstpost = 1;
} else {
$firstpost = 0;
}
}
$allwords = '';
if ($firstpost) {
if (!is_array($threadinfo)) {
$threadinfo = $vbulletin->db->query_first("\n\t\t\t\t\tSELECT title\n\t\t\t\t\tFROM " . TABLE_PREFIX . "thread\n\t\t\t\t\tWHERE threadid = {$post['threadid']}\n\t\t\t\t");
}
$firstpst["{$post['threadid']}"] = $postid;
$words = fetch_postindex_text($threadinfo['title']);
$wordarray = split_string($words);
$allwords .= implode(' ', $wordarray);
foreach ($wordarray as $word) {
#$scores["$word"] += $vbulletin->options['threadtitlescore'];
$intitle["{$word}"] = 2;
$scores["{$word}"]++;
}
}
$words = fetch_postindex_text($post['title']);
$wordarray = split_string($words);
$allwords .= ' ' . implode(' ', $wordarray);
foreach ($wordarray as $word) {
#$scores["$word"] += $vbulletin->options['posttitlescore'];
if (empty($intitle["{$word}"])) {
$intitle["{$word}"] = 1;
}
$scores["{$word}"]++;
}
$words = fetch_postindex_text($post['pagetext']);
$wordarray = split_string($words);
$allwords .= ' ' . implode(' ', $wordarray);
foreach ($wordarray as $word) {
$scores["{$word}"]++;
}
$getwordidsql = "title IN ('" . str_replace(" ", "','", $allwords) . "')";
$words = $vbulletin->db->query_read_slave("SELECT wordid, title FROM " . TABLE_PREFIX . "word WHERE {$getwordidsql}");
while ($word = $vbulletin->db->fetch_array($words)) {
$word['title'] = vbstrtolower($word['title']);
$wordcache["{$word['title']}"] = $word['wordid'];
}
$vbulletin->db->free_result($words);
$insertsql = '';
$newwords = '';
$newtitlewords = '';
foreach ($scores as $word => $score) {
if (!is_index_word($word)) {
unset($scores["{$word}"]);
continue;
}
// prevent score going over 255 for overflow control
if ($score > 255) {
$scores["{$word}"] = 255;
}
// make sure intitle score is set
$intitle["{$word}"] = intval($intitle["{$word}"]);
if ($word) {
if (isset($wordcache["{$word}"])) {
// Does this word already exist in the word table?
$insertsql .= ", (" . $vbulletin->db->escape_string($wordcache["{$word}"]) . ", {$postid}, {$score}, {$intitle[$word]})";
// yes so just add a postindex entry for this post/word
unset($scores["{$word}"], $intitle["{$word}"]);
} else {
$newwords .= $word . ' ';
// No so add it to the word table
}
}
}
if (!empty($insertsql)) {
$insertsql = substr($insertsql, 1);
/*insert query*/
$vbulletin->db->query_write("\n\t\t\t\tREPLACE INTO " . TABLE_PREFIX . "postindex\n\t\t\t\t(wordid, postid, score, intitle)\n\t\t\t\tVALUES\n\t\t\t\t{$insertsql}\n\t\t\t");
}
$newwords = trim($newwords);
if ($newwords) {
$insertwords = "('" . str_replace(" ", "'),('", $newwords) . "')";
/*insert query*/
$vbulletin->db->query_write("INSERT IGNORE INTO " . TABLE_PREFIX . "word (title) VALUES {$insertwords}");
$selectwords = "title IN ('" . str_replace(" ", "','", $newwords) . "')";
$scoressql = 'CASE title';
foreach ($scores as $word => $score) {
$scoressql .= " WHEN '" . $vbulletin->db->escape_string($word) . "' THEN {$score}";
}
$scoressql .= ' ELSE 1 END';
$titlesql = 'CASE title';
foreach ($intitle as $word => $intitlescore) {
$titlesql .= " WHEN '" . $vbulletin->db->escape_string($word) . "' THEN {$intitlescore}";
}
$titlesql .= ' ELSE 0 END';
/*insert query*/
$vbulletin->db->query_write("\n\t\t\t\tINSERT IGNORE INTO " . TABLE_PREFIX . "postindex\n\t\t\t\t(wordid, postid, score, intitle)\n\t\t\t\tSELECT DISTINCT wordid, {$postid}, {$scoressql}, {$titlesql}\n\t\t\t\tFROM " . TABLE_PREFIX . "word\n\t\t\t\tWHERE {$selectwords}\n\t\t\t");
}
}
}
/**
* Make sure that a wildcard string is allowed.
* @param string $word -- the word to check for wildcard
* @return bool
*/
private function verify_wildcard($word)
{
global $vbulletin;
//not sure what this is for -- probably doesn't do anything since * doesn't have
//an upper case. However the code I cribbed this from does it this way and it
//doesn't hurt anything.
$wordlower = strtolower($word);
$minlength = $vbulletin->options['minsearchlength'];
// check if the word contains wildcards
if (strpos($wordlower, '*') !== false) {
// check if wildcards are allowed
if ($vbulletin->options['allowwildcards']) {
// check the length of the word with all * characters removed
// and make sure it's at least (minsearchlength - 1) characters long
// in order to prevent searches like *a**... which would be bad
if (vbstrlen(str_replace('*', '', $wordlower)) < $minlength - 1) {
// word is too short
// $this->errors[] = array('searchinvalidterm', htmlspecialchars_uni($word), $minlength);
$this->add_error('searchinvalidterm', htmlspecialchars_uni($word), $minlength);
return false;
} else {
// word is of valid length
return true;
}
} else {
// do we need a more descriptive error for this?
// wildcards are not allowed - error
// $this->errors[] = array('searchinvalidterm', htmlspecialchars_uni($word), $minlength);
$this->add_error('searchinvalidterm', htmlspecialchars_uni($word), $minlength);
return false;
}
} else {
return is_index_word($word);
}
return true;
}
