📄 misc.func.php
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<?php
/*
[Discuz!] (C)2001-2007 Comsenz Inc.
This is NOT a freeware, use is subject to license terms
$Id: misc.func.php 13757 2008-05-13 07:30:34Z liuqiang $
*/
if(!defined('IN_DISCUZ')) {
exit('Access Denied');
}
function convertip($ip) {
$return = '';
if(preg_match("/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/", $ip)) {
$iparray = explode('.', $ip);
if($iparray[0] == 10 || $iparray[0] == 127 || ($iparray[0] == 192 && $iparray[1] == 168) || ($iparray[0] == 172 && ($iparray[1] >= 16 && $iparray[1] <= 31))) {
$return = '- LAN';
} elseif($iparray[0] > 255 || $iparray[1] > 255 || $iparray[2] > 255 || $iparray[3] > 255) {
$return = '- Invalid IP Address';
} else {
$tinyipfile = DISCUZ_ROOT.'./ipdata/tinyipdata.dat';
$fullipfile = DISCUZ_ROOT.'./ipdata/wry.dat';
if(@file_exists($tinyipfile)) {
$return = convertip_tiny($ip, $tinyipfile);
} elseif(@file_exists($fullipfile)) {
$return = convertip_full($ip, $fullipfile);
}
}
}
return $return;
}
function convertip_tiny($ip, $ipdatafile) {
static $fp = NULL, $offset = array(), $index = NULL;
$ipdot = explode('.', $ip);
$ip = pack('N', ip2long($ip));
$ipdot[0] = (int)$ipdot[0];
$ipdot[1] = (int)$ipdot[1];
if($fp === NULL && $fp = @fopen($ipdatafile, 'rb')) {
$offset = unpack('Nlen', fread($fp, 4));
$index = fread($fp, $offset['len'] - 4);
} elseif($fp == FALSE) {
return '- Invalid IP data file';
}
$length = $offset['len'] - 1028;
$start = unpack('Vlen', $index[$ipdot[0] * 4] . $index[$ipdot[0] * 4 + 1] . $index[$ipdot[0] * 4 + 2] . $index[$ipdot[0] * 4 + 3]);
for ($start = $start['len'] * 8 + 1024; $start < $length; $start += 8) {
if ($index{$start} . $index{$start + 1} . $index{$start + 2} . $index{$start + 3} >= $ip) {
$index_offset = unpack('Vlen', $index{$start + 4} . $index{$start + 5} . $index{$start + 6} . "\x0");
$index_length = unpack('Clen', $index{$start + 7});
break;
}
}
fseek($fp, $offset['len'] + $index_offset['len'] - 1024);
if($index_length['len']) {
return '- '.fread($fp, $index_length['len']);
} else {
return '- Unknown';
}
}
function convertip_full($ip, $ipdatafile) {
if(!$fd = @fopen($ipdatafile, 'rb')) {
return '- Invalid IP data file';
}
$ip = explode('.', $ip);
$ipNum = $ip[0] * 16777216 + $ip[1] * 65536 + $ip[2] * 256 + $ip[3];
if(!($DataBegin = fread($fd, 4)) || !($DataEnd = fread($fd, 4)) ) return;
@$ipbegin = implode('', unpack('L', $DataBegin));
if($ipbegin < 0) $ipbegin += pow(2, 32);
@$ipend = implode('', unpack('L', $DataEnd));
if($ipend < 0) $ipend += pow(2, 32);
$ipAllNum = ($ipend - $ipbegin) / 7 + 1;
$BeginNum = $ip2num = $ip1num = 0;
$ipAddr1 = $ipAddr2 = '';
$EndNum = $ipAllNum;
while($ip1num > $ipNum || $ip2num < $ipNum) {
$Middle= intval(($EndNum + $BeginNum) / 2);
fseek($fd, $ipbegin + 7 * $Middle);
$ipData1 = fread($fd, 4);
if(strlen($ipData1) < 4) {
fclose($fd);
return '- System Error';
}
$ip1num = implode('', unpack('L', $ipData1));
if($ip1num < 0) $ip1num += pow(2, 32);
if($ip1num > $ipNum) {
$EndNum = $Middle;
continue;
}
$DataSeek = fread($fd, 3);
if(strlen($DataSeek) < 3) {
fclose($fd);
return '- System Error';
}
$DataSeek = implode('', unpack('L', $DataSeek.chr(0)));
fseek($fd, $DataSeek);
$ipData2 = fread($fd, 4);
if(strlen($ipData2) < 4) {
fclose($fd);
return '- System Error';
}
$ip2num = implode('', unpack('L', $ipData2));
if($ip2num < 0) $ip2num += pow(2, 32);
if($ip2num < $ipNum) {
if($Middle == $BeginNum) {
fclose($fd);
return '- Unknown';
}
$BeginNum = $Middle;
}
}
$ipFlag = fread($fd, 1);
if($ipFlag == chr(1)) {
$ipSeek = fread($fd, 3);
if(strlen($ipSeek) < 3) {
fclose($fd);
return '- System Error';
}
$ipSeek = implode('', unpack('L', $ipSeek.chr(0)));
fseek($fd, $ipSeek);
$ipFlag = fread($fd, 1);
}
if($ipFlag == chr(2)) {
$AddrSeek = fread($fd, 3);
if(strlen($AddrSeek) < 3) {
fclose($fd);
return '- System Error';
}
$ipFlag = fread($fd, 1);
if($ipFlag == chr(2)) {
$AddrSeek2 = fread($fd, 3);
if(strlen($AddrSeek2) < 3) {
fclose($fd);
return '- System Error';
}
$AddrSeek2 = implode('', unpack('L', $AddrSeek2.chr(0)));
fseek($fd, $AddrSeek2);
} else {
fseek($fd, -1, SEEK_CUR);
}
while(($char = fread($fd, 1)) != chr(0))
$ipAddr2 .= $char;
$AddrSeek = implode('', unpack('L', $AddrSeek.chr(0)));
fseek($fd, $AddrSeek);
while(($char = fread($fd, 1)) != chr(0))
$ipAddr1 .= $char;
} else {
fseek($fd, -1, SEEK_CUR);
while(($char = fread($fd, 1)) != chr(0))
$ipAddr1 .= $char;
$ipFlag = fread($fd, 1);
if($ipFlag == chr(2)) {
$AddrSeek2 = fread($fd, 3);
if(strlen($AddrSeek2) < 3) {
fclose($fd);
return '- System Error';
}
$AddrSeek2 = implode('', unpack('L', $AddrSeek2.chr(0)));
fseek($fd, $AddrSeek2);
} else {
fseek($fd, -1, SEEK_CUR);
}
while(($char = fread($fd, 1)) != chr(0))
$ipAddr2 .= $char;
}
fclose($fd);
if(preg_match('/http/i', $ipAddr2)) {
$ipAddr2 = '';
}
$ipaddr = "$ipAddr1 $ipAddr2";
$ipaddr = preg_replace('/CZ88\.NET/is', '', $ipaddr);
$ipaddr = preg_replace('/^\s*/is', '', $ipaddr);
$ipaddr = preg_replace('/\s*$/is', '', $ipaddr);
if(preg_match('/http/i', $ipaddr) || $ipaddr == '') {
$ipaddr = '- Unknown';
}
return '- '.$ipaddr;
}
function procthread($thread) {
global $dateformat, $timeformat, $timeoffset, $ppp, $colorarray;
if(empty($colorarray)) {
$colorarray = array('', 'red', 'orange', 'yellow', 'green', 'cyan', 'blue', 'purple', 'gray');
}
$thread['icon'] = isset($GLOBALS['_DCACHE']['icons'][$thread['iconid']]) ? '<img src="images/icons/'.$GLOBALS['_DCACHE']['icons'][$thread['iconid']].'" alt="Icon'.$thread['iconid'].'" class="icon" />' : ' ';
$thread['forumname'] = $GLOBALS['_DCACHE']['forums'][$thread['fid']]['name'];
$thread['dateline'] = gmdate($dateformat, $thread['dateline'] + $timeoffset * 3600);
$thread['lastpost'] = gmdate("$dateformat $timeformat", $thread['lastpost'] + $timeoffset * 3600);
$thread['lastposterenc'] = rawurlencode($thread['lastposter']);
if($thread['replies'] > $thread['views']) {
$thread['views'] = $thread['replies'];
}
$postsnum = $thread['special'] ? $thread['replies'] : $thread['replies'] + 1;
$thread['special'] == 3 && $thread['price'] < 0 && $thread['replies']--;
$pagelinks = '';
if($postsnum > $ppp) {
$posts = $postsnum;
$topicpages = ceil($posts / $ppp);
for($i = 1; $i <= $topicpages; $i++) {
$pagelinks .= '<a href="viewthread.php?tid='.$thread['tid'].'&page='.$i.'" target="_blank">'.$i.'</a> ';
if($i == 6) {
$i = $topicpages + 1;
}
}
if($topicpages > 6) {
$pagelinks .= ' .. <a href="viewthread.php?tid='.$thread['tid'].'&page='.$topicpages.'" target="_blank">'.$topicpages.'</a> ';
}
$thread['multipage'] = ' '.$pagelinks;
} else {
$thread['multipage'] = '';
}
if($thread['highlight']) {
$string = sprintf('%02d', $thread['highlight']);
$stylestr = sprintf('%03b', $string[0]);
$thread['highlight'] = 'style="';
$thread['highlight'] .= $stylestr[0] ? 'font-weight: bold;' : '';
$thread['highlight'] .= $stylestr[1] ? 'font-style: italic;' : '';
$thread['highlight'] .= $stylestr[2] ? 'text-decoration: underline;' : '';
$thread['highlight'] .= $string[1] ? 'color: '.$colorarray[$string[1]] : '';
$thread['highlight'] .= '"';
} else {
$thread['highlight'] = '';
}
if($thread['attachment']) {
require_once DISCUZ_ROOT.'./include/attachment.func.php';
$thread['attachment'] = attachtype($thread['attachment']).' ';
} else {
$thread['attachment'] = '';
}
return $thread;
}
function updateviews($table, $idcol, $viewscol, $logfile) {
global $db, $tablepre;
$viewlog = $viewarray = array();
if(@$viewlog = file($logfile = DISCUZ_ROOT.$logfile)) {
if(!@unlink($logfile)) {
if($fp = @fopen($logfile, 'w')) {
fwrite($fp, '');
fclose($fp);
}
}
$viewlog = array_count_values($viewlog);
foreach($viewlog as $id => $views) {
$viewarray[$views] .= ($id > 0) ? ','.intval($id) : '';
}
foreach($viewarray as $views => $ids) {
$db->query("UPDATE LOW_PRIORITY $tablepre$table SET $viewscol=$viewscol+'$views' WHERE $idcol IN (0$ids)", 'UNBUFFERED');
}
}
}
function modlog($thread, $action) {
global $discuz_user, $adminid, $onlineip, $timestamp, $forum, $reason;
writelog('modslog', dhtmlspecialchars("$timestamp\t$discuz_user\t$adminid\t$onlineip\t$forum[fid]\t$forum[name]\t$thread[tid]\t$thread[subject]\t$action\t$reason"));
}
function checkreasonpm() {
global $reason;
$reason = trim(strip_tags($reason));
if(($GLOBALS['reasonpm'] == 1 || $GLOBALS['reasonpm'] == 3) && !$reason) {
showmessage('admin_reason_invalid');
}
}
function procreportlog($tids = '', $pids = '', $del = FALSE) {
global $db, $tablepre, $fid, $forum;
if(!$pids && $tids) {
$pids = $comma = '';
$query = $db->query("SELECT pid FROM {$tablepre}posts WHERE tid IN ($tids)".($del ? '' : ' AND first=1'));
while($post = $db->fetch_array($query)) {
$pids .= $comma.$post['pid'];
$comma = ',';
}
}
if($pids) {
if($del) {
$db->query("DELETE FROM {$tablepre}reportlog WHERE pid IN ($pids)", 'UNBUFFERED');
} else {
$db->query("UPDATE {$tablepre}reportlog SET status=0 WHERE pid IN ($pids)", 'UNBUFFERED');
}
if($forum['modworks'] && !$db->result_first("SELECT COUNT(*) FROM {$tablepre}reportlog WHERE fid='$fid' AND status=1")) {
$db->query("UPDATE {$tablepre}forums SET modworks='0' WHERE fid='$fid'", 'UNBUFFERED');
}
}
}
function sendreasonpm($var, $item) {
global $$var;
${$var}['subject'] = strtr(${$var}['subject'], array_flip(get_html_translation_table(HTML_ENTITIES)));
${$var}['dateline'] = gmdate($GLOBALS['_DCACHE']['settings']['dateformat'].' '.$GLOBALS['_DCACHE']['settings']['timeformat'], ${$var}['dateline'] + ($GLOBALS['timeoffset'] * 3600));
if(!empty(${$var}['authorid']) && ${$var}['authorid'] != $GLOBALS['discuz_uid']) {
sendpm(${$var}['authorid'], $item.'_subject', $item.'_message');
}
}
function modreasonselect() {
global $_DCACHE;
if(!isset($_DCACHE['modreasons']) || !is_array($_DCACHE['modreasons'])) {
@include DISCUZ_ROOT.'./forumdata/cache/cache_topicadmin.php';
}
$select = '';
foreach($_DCACHE['modreasons'] as $reason) {
$select .= $reason ? '<option value="'.dhtmlspecialchars($reason).'">'.$reason.'</option>' : '<option value="">--------</option>';
}
return $select;
}
function logincheck() {
global $db, $tablepre, $onlineip, $timestamp;
if($login = $db->fetch_first("SELECT count, lastupdate FROM {$tablepre}failedlogins WHERE ip='$onlineip'")) {
if($timestamp - $login['lastupdate'] > 900) {
return 3;
} elseif($login['count'] < 5) {
return 2;
} else {
return 0;
}
} else {
return 1;
}
}
function loginfailed($permission) {
global $db, $tablepre, $onlineip, $timestamp;
switch($permission) {
case 1:
$db->query("REPLACE INTO {$tablepre}failedlogins (ip, count, lastupdate) VALUES ('$onlineip', '1', '$timestamp')");
break;
case 2:
$db->query("UPDATE {$tablepre}failedlogins SET count=count+1, lastupdate='$timestamp' WHERE ip='$onlineip'");
break;
case 3:
$db->query("UPDATE {$tablepre}failedlogins SET count='1', lastupdate='$timestamp' WHERE ip='$onlineip'");
$db->query("DELETE FROM {$tablepre}failedlogins WHERE lastupdate<$timestamp-901", 'UNBUFFERED');
break;
}
}
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