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1cfcb52db3ec9d4a58699e074ee4d0feecfa9491
auth-site/html/forums/inc/functions_search.php
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theswgsource 54f6f8e5e7 initial commit
2018-04-29 02:36:24 -07:00

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<?php
/**
* MyBB 1.8
* Copyright 2014 MyBB Group, All Rights Reserved
*
* Website: http://www.mybb.com
* License: http://www.mybb.com/about/license
*
*/
/**
* Build a select box list of forums the current user has permission to search
*
* @param int $pid The parent forum ID to start at
* @param int $selitem The selected forum ID
* @param int $addselect Add select boxes at this call or not
* @param string $depth The current depth
* @return string The forum select boxes
*/
function make_searchable_forums($pid=0, $selitem=0, $addselect=1, $depth='')
{
global $db, $pforumcache, $permissioncache, $mybb, $selecteddone, $forumlist, $forumlistbits, $theme, $templates, $lang, $forumpass;
$pid = (int)$pid;
if(!is_array($pforumcache))
{
// Get Forums
$query = $db->simple_select("forums", "pid,disporder,fid,password,name", "linkto='' AND active!=0", array('order_by' => "pid, disporder"));
while($forum = $db->fetch_array($query))
{
$pforumcache[$forum['pid']][$forum['disporder']][$forum['fid']] = $forum;
}
}
if(!is_array($permissioncache))
{
$permissioncache = forum_permissions();
}
if(is_array($pforumcache[$pid]))
{
foreach($pforumcache[$pid] as $key => $main)
{
foreach($main as $key => $forum)
{
$perms = $permissioncache[$forum['fid']];
if(($perms['canview'] == 1 || $mybb->settings['hideprivateforums'] == 0) && $perms['cansearch'] != 0)
{
if($selitem == $forum['fid'])
{
$optionselected = "selected";
$selecteddone = "1";
}
else
{
$optionselected = '';
$selecteddone = "0";
}
if($forum['password'] != '')
{
if($mybb->cookies['forumpass'][$forum['fid']] === md5($mybb->user['uid'].$forum['password']))
{
$pwverified = 1;
}
else
{
$pwverified = 0;
}
}
if(empty($forum['password']) || $pwverified == 1)
{
eval("\$forumlistbits .= \"".$templates->get("search_forumlist_forum")."\";");
}
if(!empty($pforumcache[$forum['fid']]))
{
$newdepth = $depth."&nbsp;&nbsp;&nbsp;&nbsp;";
$forumlistbits .= make_searchable_forums($forum['fid'], $selitem, 0, $newdepth);
}
}
}
}
}
if($addselect)
{
eval("\$forumlist = \"".$templates->get("search_forumlist")."\";");
}
return $forumlist;
}
/**
* Build a comma separated list of the forums this user cannot search
*
* @param int $pid The parent ID to build from
* @param int $first First rotation or not (leave at default)
* @return string return a CSV list of forums the user cannot search
*/
function get_unsearchable_forums($pid=0, $first=1)
{
global $db, $forum_cache, $permissioncache, $mybb, $unsearchableforums, $unsearchable, $templates, $forumpass;
$pid = (int)$pid;
if(!is_array($forum_cache))
{
// Get Forums
$query = $db->simple_select("forums", "fid,parentlist,password,active", '', array('order_by' => 'pid, disporder'));
while($forum = $db->fetch_array($query))
{
$forum_cache[$forum['fid']] = $forum;
}
}
if(!is_array($permissioncache))
{
$permissioncache = forum_permissions();
}
foreach($forum_cache as $fid => $forum)
{
if($permissioncache[$forum['fid']])
{
$perms = $permissioncache[$forum['fid']];
}
else
{
$perms = $mybb->usergroup;
}
$pwverified = 1;
if($forum['password'] != '')
{
if($mybb->cookies['forumpass'][$forum['fid']] !== md5($mybb->user['uid'].$forum['password']))
{
$pwverified = 0;
}
}
$parents = explode(",", $forum['parentlist']);
if(is_array($parents))
{
foreach($parents as $parent)
{
if($forum_cache[$parent]['active'] == 0)
{
$forum['active'] = 0;
}
}
}
if($perms['canview'] != 1 || $perms['cansearch'] != 1 || $pwverified == 0 || $forum['active'] == 0)
{
if($unsearchableforums)
{
$unsearchableforums .= ",";
}
$unsearchableforums .= "'{$forum['fid']}'";
}
}
$unsearchable = $unsearchableforums;
// Get our unsearchable password protected forums
$pass_protected_forums = get_password_protected_forums();
if($unsearchable && $pass_protected_forums)
{
$unsearchable .= ",";
}
if($pass_protected_forums)
{
$unsearchable .= implode(",", $pass_protected_forums);
}
return $unsearchable;
}
/**
* Build a array list of the forums this user cannot search due to password protection
*
* @param array $fids the fids to check (leave blank to check all forums)
* @return array return a array list of password protected forums the user cannot search
*/
function get_password_protected_forums($fids=array())
{
global $forum_cache, $mybb;
if(!is_array($fids))
{
return false;
}
if(!is_array($forum_cache))
{
$forum_cache = cache_forums();
if(!$forum_cache)
{
return false;
}
}
if(empty($fids))
{
$fids = array_keys($forum_cache);
}
$pass_fids = array();
foreach($fids as $fid)
{
if(empty($forum_cache[$fid]['password']))
{
continue;
}
if(md5($mybb->user['uid'].$forum_cache[$fid]['password']) !== $mybb->cookies['forumpass'][$fid])
{
$pass_fids[] = $fid;
$child_list = get_child_list($fid);
}
if(is_array($child_list))
{
$pass_fids = array_merge($pass_fids, $child_list);
}
}
return array_unique($pass_fids);
}
/**
* Clean search keywords and make them safe for querying
*
* @param string $keywords The keywords to be cleaned
* @return string The cleaned keywords
*/
function clean_keywords($keywords)
{
global $db;
$keywords = my_strtolower($keywords);
$keywords = $db->escape_string_like($keywords);
$keywords = preg_replace("#\*{2,}#s", "*", $keywords);
$keywords = str_replace("*", "%", $keywords);
$keywords = preg_replace("#\s+#s", " ", $keywords);
$keywords = str_replace('\\"', '"', $keywords);
// Search for "and" or "or" and remove if it's at the beginning
$keywords = trim($keywords);
if(my_strpos($keywords, "or") === 0)
{
$keywords = substr_replace($keywords, "", 0, 2);
}
if(my_strpos($keywords, "and") === 0)
{
$keywords = substr_replace($keywords, "", 0, 3);
}
return $keywords;
}
/**
* Clean search keywords for fulltext searching, making them safe for querying
*
* @param string $keywords The keywords to be cleaned
* @return string|bool The cleaned keywords or false on failure
*/
function clean_keywords_ft($keywords)
{
if(!$keywords)
{
return false;
}
$keywords = my_strtolower($keywords);
$keywords = str_replace("%", "\\%", $keywords);
$keywords = preg_replace("#\*{2,}#s", "*", $keywords);
$keywords = preg_replace("#([\[\]\|\.\,:])#s", " ", $keywords);
// Separate braces for further processing
$keywords = preg_replace("#((\+|-|<|>|~)?\(|\))#s", " $1 ", $keywords);
$keywords = preg_replace("#\s+#s", " ", $keywords);
$words = array(array());
// Fulltext search syntax validation: http://dev.mysql.com/doc/refman/5.6/en/fulltext-boolean.html
// Search for phrases
$keywords = explode("\"", $keywords);
$boolean = array('+');
// Brace depth
$depth = 0;
$phrase_operator = '+';
foreach($keywords as $phrase)
{
$phrase = trim($phrase);
if($phrase != '')
{
if($inquote)
{
if($phrase_operator)
{
$boolean[$depth] = $phrase_operator;
}
// Phrases do not need further processing
$words[$depth][] = "{$boolean[$depth]}\"{$phrase}\"";
$boolean[$depth] = $phrase_operator = '+';
}
else
{
// Split words
$split_words = preg_split("#\s{1,}#", $phrase, -1);
if(!is_array($split_words))
{
continue;
}
if(!$inquote)
{
// Save possible operator in front of phrase
$last_char = substr($phrase, -1);
if($last_char == '+' || $last_char == '-' || $last_char == '<' || $last_char == '>' || $last_char == '~')
{
$phrase_operator = $last_char;
}
}
foreach($split_words as $word)
{
$word = trim($word);
if($word == "or")
{
$boolean[$depth] = '';
// Remove "and" operator from previous element
$last = array_pop($words[$depth]);
if($last)
{
if(substr($last, 0, 1) == '+')
{
$last = substr($last, 1);
}
$words[$depth][] = $last;
}
}
elseif($word == "and")
{
$boolean[$depth] = "+";
}
elseif($word == "not")
{
$boolean[$depth] = "-";
}
// Closing braces
elseif($word == ")")
{
// Ignore when no brace was opened
if($depth > 0)
{
$words[$depth-1][] = $boolean[$depth-1].'('.implode(' ', $words[$depth]).')';
--$depth;
}
}
// Valid operators for opening braces
elseif($word == '+(' || $word == '-(' || $word == '<(' || $word == '>(' || $word == '~(' || $word == '(')
{
if(strlen($word) == 2)
{
$boolean[$depth] = substr($word, 0, 1);
}
$words[++$depth] = array();
$boolean[$depth] = '+';
}
else
{
$operator = substr($word, 0, 1);
switch($operator)
{
// Allowed operators
case '-':
case '+':
case '>':
case '<':
case '~':
$word = substr($word, 1);
break;
default:
$operator = $boolean[$depth];
break;
}
// Removed operators that are only allowed at the beginning
$word = preg_replace("#(-|\+|<|>|~|@)#s", '', $word);
// Removing wildcards at the beginning http://bugs.mysql.com/bug.php?id=72605
$word = preg_replace("#^\*#s", '', $word);
$word = $operator.$word;
if(strlen($word) <= 1)
{
continue;
}
$words[$depth][] = $word;
$boolean[$depth] = '+';
}
}
}
}
$inquote = !$inquote;
}
// Close mismatching braces
while($depth > 0)
{
$words[$depth-1][] = $boolean[$depth-1].'('.implode(' ', $words[$depth]).')';
--$depth;
}
$keywords = implode(' ', $words[0]);
return $keywords;
}
/* Database engine specific search functions */
/**
* Perform a thread and post search under MySQL or MySQLi
*
* @param array $search Array of search data
* @return array Array of search data with results mixed in
*/
function privatemessage_perform_search_mysql($search)
{
global $mybb, $db, $lang;
$keywords = clean_keywords($search['keywords']);
if(!$keywords && !$search['sender'])
{
error($lang->error_nosearchterms);
}
if($mybb->settings['minsearchword'] < 1)
{
$mybb->settings['minsearchword'] = 3;
}
$subject_lookin = "";
$message_lookin = "";
$searchsql = "uid='{$mybb->user['uid']}'";
if($keywords)
{
// Complex search
$keywords = " {$keywords} ";
switch($db->type)
{
case 'mysql':
case 'mysqli':
$sfield = 'subject';
$mfield = 'message';
break;
default:
$sfield = 'LOWER(subject)';
$mfield = 'LOWER(message)';
break;
}
if(preg_match("#\s(and|or)\s#", $keywords))
{
$string = "AND";
if($search['subject'] == 1)
{
$string = "OR";
$subject_lookin = " AND (";
}
if($search['message'] == 1)
{
$message_lookin = " {$string} (";
}
// Expand the string by double quotes
$keywords_exp = explode("\"", $keywords);
$inquote = false;
$boolean = '';
foreach($keywords_exp as $phrase)
{
// If we're not in a double quoted section
if(!$inquote)
{
// Expand out based on search operators (and, or)
$matches = preg_split("#\s{1,}(and|or)\s{1,}#", $phrase, -1, PREG_SPLIT_DELIM_CAPTURE);
$count_matches = count($matches);
for($i=0; $i < $count_matches; ++$i)
{
$word = trim($matches[$i]);
if(empty($word))
{
continue;
}
// If this word is a search operator set the boolean
if($i % 2 && ($word == "and" || $word == "or"))
{
if($i <= 1)
{
if($search['subject'] && $search['message'] && $subject_lookin == " AND (")
{
// We're looking for anything, check for a subject lookin
continue;
}
elseif($search['subject'] && !$search['message'] && $subject_lookin == " AND (")
{
// Just in a subject?
continue;
}
elseif(!$search['subject'] && $search['message'] && $message_lookin == " {$string} (")
{
// Just in a message?
continue;
}
}
$boolean = $word;
}
// Otherwise check the length of the word as it is a normal search term
else
{
$word = trim($word);
// Word is too short - show error message
if(my_strlen($word) < $mybb->settings['minsearchword'])
{
$lang->error_minsearchlength = $lang->sprintf($lang->error_minsearchlength, $mybb->settings['minsearchword']);
error($lang->error_minsearchlength);
}
// Add terms to search query
if($search['subject'] == 1)
{
$subject_lookin .= " $boolean {$sfield} LIKE '%{$word}%'";
}
if($search['message'] == 1)
{
$message_lookin .= " $boolean {$mfield} LIKE '%{$word}%'";
}
$boolean = 'AND';
}
}
}
// In the middle of a quote (phrase)
else
{
$phrase = str_replace(array("+", "-", "*"), '', trim($phrase));
if(my_strlen($phrase) < $mybb->settings['minsearchword'])
{
$lang->error_minsearchlength = $lang->sprintf($lang->error_minsearchlength, $mybb->settings['minsearchword']);
error($lang->error_minsearchlength);
}
// Add phrase to search query
$subject_lookin .= " $boolean {$sfield} LIKE '%{$phrase}%'";
if($search['message'] == 1)
{
$message_lookin .= " $boolean {$mfield} LIKE '%{$phrase}%'";
}
$boolean = 'AND';
}
// Check to see if we have any search terms and not a malformed SQL string
$error = false;
if($search['subject'] && $search['message'] && $subject_lookin == " AND (")
{
// We're looking for anything, check for a subject lookin
$error = true;
}
elseif($search['subject'] && !$search['message'] && $subject_lookin == " AND (")
{
// Just in a subject?
$error = true;
}
elseif(!$search['subject'] && $search['message'] && $message_lookin == " {$string} (")
{
// Just in a message?
$error = true;
}
if($error == true)
{
// There are no search keywords to look for
$lang->error_minsearchlength = $lang->sprintf($lang->error_minsearchlength, $mybb->settings['minsearchword']);
error($lang->error_minsearchlength);
}
$inquote = !$inquote;
}
if($search['subject'] == 1)
{
$subject_lookin .= ")";
}
if($search['message'] == 1)
{
$message_lookin .= ")";
}
$searchsql .= "{$subject_lookin} {$message_lookin}";
}
else
{
$keywords = str_replace("\"", '', trim($keywords));
if(my_strlen($keywords) < $mybb->settings['minsearchword'])
{
$lang->error_minsearchlength = $lang->sprintf($lang->error_minsearchlength, $mybb->settings['minsearchword']);
error($lang->error_minsearchlength);
}
// If we're looking in both, then find matches in either the subject or the message
if($search['subject'] == 1 && $search['message'] == 1)
{
$searchsql .= " AND ({$sfield} LIKE '%{$keywords}%' OR {$mfield} LIKE '%{$keywords}%')";
}
else
{
if($search['subject'] == 1)
{
$searchsql .= " AND {$sfield} LIKE '%{$keywords}%'";
}
if($search['message'] == 1)
{
$searchsql .= " AND {$mfield} LIKE '%{$keywords}%'";
}
}
}
}
if($search['sender'])
{
$userids = array();
$search['sender'] = my_strtolower($search['sender']);
switch($db->type)
{
case 'mysql':
case 'mysqli':
$field = 'username';
break;
default:
$field = 'LOWER(username)';
break;
}
$query = $db->simple_select("users", "uid", "{$field} LIKE '%".$db->escape_string_like($search['sender'])."%'");
while($user = $db->fetch_array($query))
{
$userids[] = $user['uid'];
}
if(count($userids) < 1)
{
error($lang->error_nosearchresults);
}
else
{
$userids = implode(',', $userids);
$searchsql .= " AND fromid IN (".$userids.")";
}
}
if(!is_array($search['folder']))
{
$search['folder'] = array($search['folder']);
}
if(!empty($search['folder']))
{
$folderids = array();
$search['folder'] = array_map("intval", $search['folder']);
$folderids = implode(',', $search['folder']);
if($folderids)
{
$searchsql .= " AND folder IN (".$folderids.")";
}
}
if($search['status'])
{
$searchsql .= " AND (";
if($search['status']['new'])
{
$statussql[] = " status='0' ";
}
if($search['status']['replied'])
{
$statussql[] = " status='3' ";
}
if($search['status']['forwarded'])
{
$statussql[] = " status='4' ";
}
if($search['status']['read'])
{
$statussql[] = " (status != '0' AND readtime > '0') ";
}
// Sent Folder
if(in_array(2, $search['folder']))
{
$statussql[] = " status='1' ";
}
$statussql = implode("OR", $statussql);
$searchsql .= $statussql.")";
}
// Run the search
$pms = array();
$query = $db->simple_select("privatemessages", "pmid", $searchsql);
while($pm = $db->fetch_array($query))
{
$pms[$pm['pmid']] = $pm['pmid'];
}
if(count($pms) < 1)
{
error($lang->error_nosearchresults);
}
$pms = implode(',', $pms);
return array(
"querycache" => $pms
);
}
/**
* Perform a help document search under MySQL or MySQLi
*
* @param array $search Array of search data
* @return array Array of search data with results mixed in
*/
function helpdocument_perform_search_mysql($search)
{
global $mybb, $db, $lang;
$keywords = clean_keywords($search['keywords']);
if(!$keywords && !$search['sender'])
{
error($lang->error_nosearchterms);
}
if($mybb->settings['minsearchword'] < 1)
{
$mybb->settings['minsearchword'] = 3;
}
$name_lookin = "";
$document_lookin = "";
$searchsql = "enabled='1'";
if($keywords)
{
switch($db->type)
{
case 'mysql':
case 'mysqli':
$nfield = 'name';
$dfield = 'document';
break;
default:
$nfield = 'LOWER(name)';
$dfield = 'LOWER(document)';
break;
}
// Complex search
$keywords = " {$keywords} ";
if(preg_match("#\s(and|or)\s#", $keywords))
{
$string = "AND";
if($search['name'] == 1)
{
$string = "OR";
$name_lookin = " AND (";
}
if($search['document'] == 1)
{
$document_lookin = " {$string} (";
}
// Expand the string by double quotes
$keywords_exp = explode("\"", $keywords);
$inquote = false;
foreach($keywords_exp as $phrase)
{
// If we're not in a double quoted section
if(!$inquote)
{
// Expand out based on search operators (and, or)
$matches = preg_split("#\s{1,}(and|or)\s{1,}#", $phrase, -1, PREG_SPLIT_DELIM_CAPTURE);
$count_matches = count($matches);
for($i=0; $i < $count_matches; ++$i)
{
$word = trim($matches[$i]);
if(empty($word))
{
continue;
}
// If this word is a search operator set the boolean
if($i % 2 && ($word == "and" || $word == "or"))
{
if($i <= 1)
{
if($search['name'] && $search['document'] && $name_lookin == " AND (")
{
// We're looking for anything, check for a name lookin
continue;
}
elseif($search['name'] && !$search['document'] && $name_lookin == " AND (")
{
// Just in a name?
continue;
}
elseif(!$search['name'] && $search['document'] && $document_lookin == " {$string} (")
{
// Just in a document?
continue;
}
}
$boolean = $word;
}
// Otherwise check the length of the word as it is a normal search term
else
{
$word = trim($word);
// Word is too short - show error message
if(my_strlen($word) < $mybb->settings['minsearchword'])
{
$lang->error_minsearchlength = $lang->sprintf($lang->error_minsearchlength, $mybb->settings['minsearchword']);
error($lang->error_minsearchlength);
}
// Add terms to search query
if($search['name'] == 1)
{
$name_lookin .= " $boolean {$nfield} LIKE '%{$word}%'";
}
if($search['document'] == 1)
{
$document_lookin .= " $boolean {$dfield} LIKE '%{$word}%'";
}
}
}
}
// In the middle of a quote (phrase)
else
{
$phrase = str_replace(array("+", "-", "*"), '', trim($phrase));
if(my_strlen($phrase) < $mybb->settings['minsearchword'])
{
$lang->error_minsearchlength = $lang->sprintf($lang->error_minsearchlength, $mybb->settings['minsearchword']);
error($lang->error_minsearchlength);
}
// Add phrase to search query
$name_lookin .= " $boolean {$nfield} LIKE '%{$phrase}%'";
if($search['document'] == 1)
{
$document_lookin .= " $boolean {$dfield} LIKE '%{$phrase}%'";
}
}
// Check to see if we have any search terms and not a malformed SQL string
$error = false;
if($search['name'] && $search['document'] && $name_lookin == " AND (")
{
// We're looking for anything, check for a name lookin
$error = true;
}
elseif($search['name'] && !$search['document'] && $name_lookin == " AND (")
{
// Just in a name?
$error = true;
}
elseif(!$search['name'] && $search['document'] && $document_lookin == " {$string} (")
{
// Just in a document?
$error = true;
}
if($error == true)
{
// There are no search keywords to look for
$lang->error_minsearchlength = $lang->sprintf($lang->error_minsearchlength, $mybb->settings['minsearchword']);
error($lang->error_minsearchlength);
}
$inquote = !$inquote;
}
if($search['name'] == 1)
{
$name_lookin .= ")";
}
if($search['document'] == 1)
{
$document_lookin .= ")";
}
$searchsql .= "{$name_lookin} {$document_lookin}";
}
else
{
$keywords = str_replace("\"", '', trim($keywords));
if(my_strlen($keywords) < $mybb->settings['minsearchword'])
{
$lang->error_minsearchlength = $lang->sprintf($lang->error_minsearchlength, $mybb->settings['minsearchword']);
error($lang->error_minsearchlength);
}
// If we're looking in both, then find matches in either the name or the document
if($search['name'] == 1 && $search['document'] == 1)
{
$searchsql .= " AND ({$nfield} LIKE '%{$keywords}%' OR {$dfield} LIKE '%{$keywords}%')";
}
else
{
if($search['name'] == 1)
{
$searchsql .= " AND {$nfield} LIKE '%{$keywords}%'";
}
if($search['document'] == 1)
{
$searchsql .= " AND {$dfield} LIKE '%{$keywords}%'";
}
}
}
}
// Run the search
$helpdocs = array();
$query = $db->simple_select("helpdocs", "hid", $searchsql);
while($help = $db->fetch_array($query))
{
$helpdocs[$help['hid']] = $help['hid'];
}
if(count($helpdocs) < 1)
{
error($lang->error_nosearchresults);
}
$helpdocs = implode(',', $helpdocs);
return array(
"querycache" => $helpdocs
);
}
/**
* Perform a thread and post search under MySQL or MySQLi
*
* @param array $search Array of search data
* @return array Array of search data with results mixed in
*/
function perform_search_mysql($search)
{
global $mybb, $db, $lang, $cache;
$keywords = clean_keywords($search['keywords']);
if(!$keywords && !$search['author'])
{
error($lang->error_nosearchterms);
}
if($mybb->settings['minsearchword'] < 1)
{
$mybb->settings['minsearchword'] = 3;
}
$subject_lookin = $message_lookin = '';
if($keywords)
{
switch($db->type)
{
case 'mysql':
case 'mysqli':
$tfield = 't.subject';
$pfield = 'p.message';
break;
default:
$tfield = 'LOWER(t.subject)';
$pfield = 'LOWER(p.message)';
break;
}
// Complex search
$keywords = " {$keywords} ";
if(preg_match("#\s(and|or)\s#", $keywords))
{
$subject_lookin = " AND (";
$message_lookin = " AND (";
// Expand the string by double quotes
$keywords_exp = explode("\"", $keywords);
$inquote = false;
$boolean = '';
foreach($keywords_exp as $phrase)
{
// If we're not in a double quoted section
if(!$inquote)
{
// Expand out based on search operators (and, or)
$matches = preg_split("#\s{1,}(and|or)\s{1,}#", $phrase, -1, PREG_SPLIT_DELIM_CAPTURE);
$count_matches = count($matches);
for($i=0; $i < $count_matches; ++$i)
{
$word = trim($matches[$i]);
if(empty($word))
{
continue;
}
// If this word is a search operator set the boolean
if($i % 2 && ($word == "and" || $word == "or"))
{
if($i <= 1 && $subject_lookin == " AND (")
{
continue;
}
$boolean = $word;
}
// Otherwise check the length of the word as it is a normal search term
else
{
$word = trim($word);
// Word is too short - show error message
if(my_strlen($word) < $mybb->settings['minsearchword'])
{
$lang->error_minsearchlength = $lang->sprintf($lang->error_minsearchlength, $mybb->settings['minsearchword']);
error($lang->error_minsearchlength);
}
// Add terms to search query
$subject_lookin .= " $boolean {$tfield} LIKE '%{$word}%'";
if($search['postthread'] == 1)
{
$message_lookin .= " $boolean {$pfield} LIKE '%{$word}%'";
}
$boolean = 'AND';
}
}
}
// In the middle of a quote (phrase)
else
{
$phrase = str_replace(array("+", "-", "*"), '', trim($phrase));
if(my_strlen($phrase) < $mybb->settings['minsearchword'])
{
$lang->error_minsearchlength = $lang->sprintf($lang->error_minsearchlength, $mybb->settings['minsearchword']);
error($lang->error_minsearchlength);
}
// Add phrase to search query
$subject_lookin .= " $boolean {$tfield} LIKE '%{$phrase}%'";
if($search['postthread'] == 1)
{
$message_lookin .= " $boolean {$pfield} LIKE '%{$phrase}%'";
}
$boolean = 'AND';
}
if($subject_lookin == " AND (")
{
// There are no search keywords to look for
$lang->error_minsearchlength = $lang->sprintf($lang->error_minsearchlength, $mybb->settings['minsearchword']);
error($lang->error_minsearchlength);
}
$inquote = !$inquote;
}
$subject_lookin .= ")";
$message_lookin .= ")";
}
else
{
$keywords = str_replace("\"", '', trim($keywords));
if(my_strlen($keywords) < $mybb->settings['minsearchword'])
{
$lang->error_minsearchlength = $lang->sprintf($lang->error_minsearchlength, $mybb->settings['minsearchword']);
error($lang->error_minsearchlength);
}
$subject_lookin = " AND {$tfield} LIKE '%{$keywords}%'";
if($search['postthread'] == 1)
{
$message_lookin = " AND {$pfield} LIKE '%{$keywords}%'";
}
}
}
$post_usersql = '';
$thread_usersql = '';
if($search['author'])
{
$userids = array();
$search['author'] = my_strtolower($search['author']);
if($search['matchusername'])
{
$user = get_user_by_username($search['author']);
if($user)
{
$userids[] = $user['uid'];
}
}
else
{
switch($db->type)
{
case 'mysql':
case 'mysqli':
$field = 'username';
break;
default:
$field = 'LOWER(username)';
break;
}
$query = $db->simple_select("users", "uid", "{$field} LIKE '%".$db->escape_string_like($search['author'])."%'");
while($user = $db->fetch_array($query))
{
$userids[] = $user['uid'];
}
}
if(count($userids) < 1)
{
error($lang->error_nosearchresults);
}
else
{
$userids = implode(',', $userids);
$post_usersql = " AND p.uid IN (".$userids.")";
$thread_usersql = " AND t.uid IN (".$userids.")";
}
}
$datecut = $post_datecut = $thread_datecut = '';
if($search['postdate'])
{
if($search['pddir'] == 0)
{
$datecut = "<=";
}
else
{
$datecut = ">=";
}
$now = TIME_NOW;
$datelimit = $now-(86400 * $search['postdate']);
$datecut .= "'$datelimit'";
$post_datecut = " AND p.dateline $datecut";
$thread_datecut = " AND t.dateline $datecut";
}
$thread_replycut = '';
if($search['numreplies'] != '' && $search['findthreadst'])
{
if((int)$search['findthreadst'] == 1)
{
$thread_replycut = " AND t.replies >= '".(int)$search['numreplies']."'";
}
else
{
$thread_replycut = " AND t.replies <= '".(int)$search['numreplies']."'";
}
}
$thread_prefixcut = '';
$prefixlist = array();
if($search['threadprefix'] && $search['threadprefix'][0] != 'any')
{
foreach($search['threadprefix'] as $threadprefix)
{
$threadprefix = (int)$threadprefix;
$prefixlist[] = $threadprefix;
}
}
if(count($prefixlist) == 1)
{
$thread_prefixcut .= " AND t.prefix='$threadprefix' ";
}
else
{
if(count($prefixlist) > 1)
{
$thread_prefixcut = " AND t.prefix IN (".implode(',', $prefixlist).")";
}
}
$forumin = '';
$fidlist = array();
$searchin = array();
if(!is_array($search['forums']) || $search['forums'][0] != "all")
{
if(!is_array($search['forums']))
{
$search['forums'] = array((int)$search['forums']);
}
// Generate a comma separated list of all groups the user belongs to
$user_groups = $mybb->user['usergroup'];
if($mybb->user['additionalgroups'])
{
$user_groups .= ",".$mybb->user['additionalgroups'];
// Setup some quick permissions for us
$fcache = $cache->read("forumpermissions");
$add_groups = explode(",", $mybb->user['additionalgroups']);
}
foreach($search['forums'] as $forum)
{
$forum = (int)$forum;
if(empty($searchin[$forum]))
{
if(isset($add_groups) && is_array($add_groups))
{
$can_search = 0;
foreach($add_groups as $add_group)
{
// Check to make sure that we have sufficient permissions to search this forum
if(!is_array($fcache[$forum][$add_group]) || $fcache[$forum][$add_group]['cansearch'] == 1 || $mybb->usergroup['cansearch'] == 1)
{
$can_search = 1;
}
}
if($can_search == 0)
{
// We can't search this forum...
continue;
}
}
switch($db->type)
{
case "pgsql":
$query = $db->simple_select("forums", "DISTINCT fid", "(','||parentlist||',' LIKE ',%{$forum}%,') = true AND active != 0");
break;
case "sqlite":
$query = $db->simple_select("forums", "DISTINCT fid", "(','||parentlist||',' LIKE ',%{$forum}%,') > 0 AND active != 0");
break;
default:
$query = $db->simple_select("forums", "DISTINCT fid", "INSTR(CONCAT(',',parentlist,','),',{$forum},') > 0 AND active != 0");
}
while($sforum = $db->fetch_array($query))
{
$fidlist[] = $sforum['fid'];
}
}
}
if(count($fidlist) == 1)
{
$forumin .= " AND t.fid='$forum' ";
$searchin[$forum] = 1;
}
else
{
if(count($fidlist) > 1)
{
$forumin = " AND t.fid IN (".implode(',', $fidlist).")";
}
}
}
$permsql = "";
$onlyusfids = array();
// Check group permissions if we can't view threads not started by us
if($group_permissions = forum_permissions())
{
foreach($group_permissions as $fid => $forum_permissions)
{
if(isset($forum_permissions['canonlyviewownthreads']) && $forum_permissions['canonlyviewownthreads'] == 1)
{
$onlyusfids[] = $fid;
}
}
}
if(!empty($onlyusfids))
{
$permsql .= "AND ((t.fid IN(".implode(',', $onlyusfids).") AND t.uid='{$mybb->user['uid']}') OR t.fid NOT IN(".implode(',', $onlyusfids)."))";
}
$unsearchforums = get_unsearchable_forums();
if($unsearchforums)
{
$permsql .= " AND t.fid NOT IN ($unsearchforums)";
}
$inactiveforums = get_inactive_forums();
if($inactiveforums)
{
$permsql .= " AND t.fid NOT IN ($inactiveforums)";
}
$visiblesql = $post_visiblesql = $plain_post_visiblesql = "";
if(isset($search['visible']))
{
if($search['visible'] == 1)
{
$visiblesql = " AND t.visible = '1'";
if($search['postthread'] == 1)
{
$post_visiblesql = " AND p.visible = '1'";
$plain_post_visiblesql = " AND visible = '1'";
}
}
elseif($search['visible'] == -1)
{
$visiblesql = " AND t.visible = '-1'";
if($search['postthread'] == 1)
{
$post_visiblesql = " AND p.visible = '-1'";
$plain_post_visiblesql = " AND visible = '-1'";
}
}
else
{
$visiblesql = " AND t.visible == '0'";
if($search['postthread'] == 1)
{
$post_visiblesql = " AND p.visible == '0'";
$plain_post_visiblesql = " AND visible == '0'";
}
}
}
// Searching a specific thread?
$tidsql = '';
if(!empty($search['tid']))
{
$tidsql = " AND t.tid='".(int)$search['tid']."'";
}
$limitsql = '';
if((int)$mybb->settings['searchhardlimit'] > 0)
{
$limitsql = "LIMIT ".(int)$mybb->settings['searchhardlimit'];
}
// Searching both posts and thread titles
$threads = array();
$posts = array();
$firstposts = array();
if($search['postthread'] == 1)
{
// No need to search subjects when looking for results within a specific thread
if(empty($search['tid']))
{
$query = $db->query("
SELECT t.tid, t.firstpost
FROM ".TABLE_PREFIX."threads t
WHERE 1=1 {$thread_datecut} {$thread_replycut} {$thread_prefixcut} {$forumin} {$thread_usersql} {$permsql} {$visiblesql} AND t.closed NOT LIKE 'moved|%' {$subject_lookin}
{$limitsql}
");
while($thread = $db->fetch_array($query))
{
$threads[$thread['tid']] = $thread['tid'];
if($thread['firstpost'])
{
$posts[$thread['tid']] = $thread['firstpost'];
}
}
}
$query = $db->query("
SELECT p.pid, p.tid
FROM ".TABLE_PREFIX."posts p
LEFT JOIN ".TABLE_PREFIX."threads t ON (t.tid=p.tid)
WHERE 1=1 {$post_datecut} {$thread_replycut} {$thread_prefixcut} {$forumin} {$post_usersql} {$permsql} {$tidsql} {$visiblesql} {$post_visiblesql} AND t.closed NOT LIKE 'moved|%' {$message_lookin}
{$limitsql}
");
while($post = $db->fetch_array($query))
{
$posts[$post['pid']] = $post['pid'];
$threads[$post['tid']] = $post['tid'];
}
if(count($posts) < 1 && count($threads) < 1)
{
error($lang->error_nosearchresults);
}
$threads = implode(',', $threads);
$posts = implode(',', $posts);
}
// Searching only thread titles
else
{
$query = $db->query("
SELECT t.tid, t.firstpost
FROM ".TABLE_PREFIX."threads t
WHERE 1=1 {$thread_datecut} {$thread_replycut} {$thread_prefixcut} {$forumin} {$thread_usersql} {$permsql} {$visiblesql} {$subject_lookin}
{$limitsql}
");
while($thread = $db->fetch_array($query))
{
$threads[$thread['tid']] = $thread['tid'];
if($thread['firstpost'])
{
$firstposts[$thread['tid']] = $thread['firstpost'];
}
}
if(count($threads) < 1)
{
error($lang->error_nosearchresults);
}
$threads = implode(',', $threads);
$firstposts = implode(',', $firstposts);
if($firstposts)
{
$query = $db->simple_select("posts", "pid", "pid IN ($firstposts) {$plain_post_visiblesql} {$limitsql}");
while($post = $db->fetch_array($query))
{
$posts[$post['pid']] = $post['pid'];
}
$posts = implode(',', $posts);
}
}
return array(
"threads" => $threads,
"posts" => $posts,
"querycache" => ''
);
}
/**
* Perform a thread and post search under MySQL or MySQLi using boolean fulltext capabilities
*
* @param array $search Array of search data
* @return array Array of search data with results mixed in
*/
function perform_search_mysql_ft($search)
{
global $mybb, $db, $lang;
$keywords = clean_keywords_ft($search['keywords']);
if(!$keywords && !$search['author'])
{
error($lang->error_nosearchterms);
}
// Attempt to determine minimum word length from MySQL for fulltext searches
$query = $db->query("SHOW VARIABLES LIKE 'ft_min_word_len';");
$min_length = $db->fetch_field($query, 'Value');
if(is_numeric($min_length))
{
$mybb->settings['minsearchword'] = $min_length;
}
// Otherwise, could not fetch - default back to MySQL fulltext default setting
else
{
$mybb->settings['minsearchword'] = 4;
}
if($keywords)
{
$keywords_exp = explode("\"", $keywords);
$inquote = false;
foreach($keywords_exp as $phrase)
{
if(!$inquote)
{
$split_words = preg_split("#\s{1,}#", $phrase, -1);
foreach($split_words as $word)
{
$word = str_replace(array("+", "-", "*"), '', $word);
if(!$word)
{
continue;
}
if(my_strlen($word) < $mybb->settings['minsearchword'])
{
$all_too_short = true;
}
else
{
$all_too_short = false;
break;
}
}
}
else
{
$phrase = str_replace(array("+", "-", "*"), '', $phrase);
if(my_strlen($phrase) < $mybb->settings['minsearchword'])
{
$all_too_short = true;
}
else
{
$all_too_short = false;
break;
}
}
$inquote = !$inquote;
}
// Show the minimum search term error only if all search terms are too short
if($all_too_short == true)
{
$lang->error_minsearchlength = $lang->sprintf($lang->error_minsearchlength, $mybb->settings['minsearchword']);
error($lang->error_minsearchlength);
}
$message_lookin = "AND MATCH(message) AGAINST('".$db->escape_string($keywords)."' IN BOOLEAN MODE)";
$subject_lookin = "AND MATCH(subject) AGAINST('".$db->escape_string($keywords)."' IN BOOLEAN MODE)";
}
$post_usersql = '';
$thread_usersql = '';
if($search['author'])
{
$userids = array();
$search['author'] = my_strtolower($search['author']);
if($search['matchusername'])
{
$user = get_user_by_username($search['author']);
if($user)
{
$userids[] = $user['uid'];
}
}
else
{
switch($db->type)
{
case 'mysql':
case 'mysqli':
$field = 'username';
break;
default:
$field = 'LOWER(username)';
break;
}
$query = $db->simple_select("users", "uid", "{$field} LIKE '%".$db->escape_string_like($search['author'])."%'");
while($user = $db->fetch_array($query))
{
$userids[] = $user['uid'];
}
}
if(count($userids) < 1)
{
error($lang->error_nosearchresults);
}
else
{
$userids = implode(',', $userids);
$post_usersql = " AND p.uid IN (".$userids.")";
$thread_usersql = " AND t.uid IN (".$userids.")";
}
}
$datecut = '';
if($search['postdate'])
{
if($search['pddir'] == 0)
{
$datecut = "<=";
}
else
{
$datecut = ">=";
}
$now = TIME_NOW;
$datelimit = $now-(86400 * $search['postdate']);
$datecut .= "'$datelimit'";
$post_datecut = " AND p.dateline $datecut";
$thread_datecut = " AND t.dateline $datecut";
}
$thread_replycut = '';
if($search['numreplies'] != '' && $search['findthreadst'])
{
if((int)$search['findthreadst'] == 1)
{
$thread_replycut = " AND t.replies >= '".(int)$search['numreplies']."'";
}
else
{
$thread_replycut = " AND t.replies <= '".(int)$search['numreplies']."'";
}
}
$thread_prefixcut = '';
$prefixlist = array();
if($search['threadprefix'] && $search['threadprefix'][0] != 'any')
{
foreach($search['threadprefix'] as $threadprefix)
{
$threadprefix = (int)$threadprefix;
$prefixlist[] = $threadprefix;
}
}
if(count($prefixlist) == 1)
{
$thread_prefixcut .= " AND t.prefix='$threadprefix' ";
}
else
{
if(count($prefixlist) > 1)
{
$thread_prefixcut = " AND t.prefix IN (".implode(',', $prefixlist).")";
}
}
$forumin = '';
$fidlist = array();
$searchin = array();
if(!is_array($search['forums']) || $search['forums'][0] != "all")
{
if(!is_array($search['forums']))
{
$search['forums'] = array((int)$search['forums']);
}
// Generate a comma separated list of all groups the user belongs to
$user_groups = $mybb->user['usergroup'];
if($mybb->user['additionalgroups'])
{
$user_groups .= ",".$mybb->user['additionalgroups'];
}
foreach($search['forums'] as $forum)
{
$forum = (int)$forum;
if(empty($searchin[$forum]))
{
switch($db->type)
{
case "pgsql":
case "sqlite":
$query = $db->query("
SELECT f.fid
FROM ".TABLE_PREFIX."forums f
LEFT JOIN ".TABLE_PREFIX."forumpermissions p ON (f.fid=p.fid AND p.gid IN (".$user_groups."))
WHERE INSTR(','||parentlist||',',',$forum,') > 0 AND active!=0 AND ((p.fid) IS NULL OR p.cansearch=1)
");
break;
default:
$query = $db->query("
SELECT f.fid
FROM ".TABLE_PREFIX."forums f
LEFT JOIN ".TABLE_PREFIX."forumpermissions p ON (f.fid=p.fid AND p.gid IN (".$user_groups."))
WHERE INSTR(CONCAT(',',parentlist,','),',$forum,') > 0 AND active!=0 AND ((p.fid) IS NULL OR p.cansearch=1)
");
}
while($sforum = $db->fetch_array($query))
{
$fidlist[] = $sforum['fid'];
}
}
}
if(count($fidlist) == 1)
{
$forumin .= " AND t.fid='$forum' ";
$searchin[$forum] = 1;
}
else
{
if(count($fidlist) > 1)
{
$forumin = " AND t.fid IN (".implode(',', $fidlist).")";
}
}
}
$permsql = "";
$onlyusfids = array();
// Check group permissions if we can't view threads not started by us
$group_permissions = forum_permissions();
foreach($group_permissions as $fid => $forum_permissions)
{
if($forum_permissions['canonlyviewownthreads'] == 1)
{
$onlyusfids[] = $fid;
}
}
if(!empty($onlyusfids))
{
$permsql .= "AND ((t.fid IN(".implode(',', $onlyusfids).") AND t.uid='{$mybb->user['uid']}') OR t.fid NOT IN(".implode(',', $onlyusfids)."))";
}
$unsearchforums = get_unsearchable_forums();
if($unsearchforums)
{
$permsql .= " AND t.fid NOT IN ($unsearchforums)";
}
$inactiveforums = get_inactive_forums();
if($inactiveforums)
{
$permsql .= " AND t.fid NOT IN ($inactiveforums)";
}
$visiblesql = $post_visiblesql = $plain_post_visiblesql = "";
if(isset($search['visible']))
{
if($search['visible'] == 1)
{
$visiblesql = " AND t.visible = '1'";
if($search['postthread'] == 1)
{
$post_visiblesql = " AND p.visible = '1'";
$plain_post_visiblesql = " AND visible = '1'";
}
}
elseif($search['visible'] == -1)
{
$visiblesql = " AND t.visible = '-1'";
if($search['postthread'] == 1)
{
$post_visiblesql = " AND p.visible = '-1'";
$plain_post_visiblesql = " AND visible = '-1'";
}
}
else
{
$visiblesql = " AND t.visible != '1'";
if($search['postthread'] == 1)
{
$post_visiblesql = " AND p.visible != '1'";
$plain_post_visiblesql = " AND visible != '1'";
}
}
}
// Searching a specific thread?
if($search['tid'])
{
$tidsql = " AND t.tid='".(int)$search['tid']."'";
}
$limitsql = '';
if((int)$mybb->settings['searchhardlimit'] > 0)
{
$limitsql = "LIMIT ".(int)$mybb->settings['searchhardlimit'];
}
// Searching both posts and thread titles
$threads = array();
$posts = array();
$firstposts = array();
if($search['postthread'] == 1)
{
// No need to search subjects when looking for results within a specific thread
if(!$search['tid'])
{
$query = $db->query("
SELECT t.tid, t.firstpost
FROM ".TABLE_PREFIX."threads t
WHERE 1=1 {$thread_datecut} {$thread_replycut} {$thread_prefixcut} {$forumin} {$thread_usersql} {$permsql} {$visiblesql} AND t.closed NOT LIKE 'moved|%' {$subject_lookin}
{$limitsql}
");
while($thread = $db->fetch_array($query))
{
$threads[$thread['tid']] = $thread['tid'];
if($thread['firstpost'])
{
$posts[$thread['tid']] = $thread['firstpost'];
}
}
}
$query = $db->query("
SELECT p.pid, p.tid
FROM ".TABLE_PREFIX."posts p
LEFT JOIN ".TABLE_PREFIX."threads t ON (t.tid=p.tid)
WHERE 1=1 {$post_datecut} {$thread_replycut} {$thread_prefixcut} {$forumin} {$post_usersql} {$permsql} {$tidsql} {$post_visiblesql} {$visiblesql} AND t.closed NOT LIKE 'moved|%' {$message_lookin}
{$limitsql}
");
while($post = $db->fetch_array($query))
{
$posts[$post['pid']] = $post['pid'];
$threads[$post['tid']] = $post['tid'];
}
if(count($posts) < 1 && count($threads) < 1)
{
error($lang->error_nosearchresults);
}
$threads = implode(',', $threads);
$posts = implode(',', $posts);
}
// Searching only thread titles
else
{
$query = $db->query("
SELECT t.tid, t.firstpost
FROM ".TABLE_PREFIX."threads t
WHERE 1=1 {$thread_datecut} {$thread_replycut} {$thread_prefixcut} {$forumin} {$thread_usersql} {$permsql} {$visiblesql} {$subject_lookin}
{$limitsql}
");
while($thread = $db->fetch_array($query))
{
$threads[$thread['tid']] = $thread['tid'];
if($thread['firstpost'])
{
$firstposts[$thread['tid']] = $thread['firstpost'];
}
}
if(count($threads) < 1)
{
error($lang->error_nosearchresults);
}
$threads = implode(',', $threads);
$firstposts = implode(',', $firstposts);
if($firstposts)
{
$query = $db->simple_select("posts", "pid", "pid IN ($firstposts) {$plain_post_visiblesql} {$limitsql}");
while($post = $db->fetch_array($query))
{
$posts[$post['pid']] = $post['pid'];
}
$posts = implode(',', $posts);
}
}
return array(
"threads" => $threads,
"posts" => $posts,
"querycache" => ''
);
}
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