global.func.php
来自「Discuz论坛功能、使用、二次开发的详细介绍说明。」· PHP 代码 · 共 249 行
PHP
249 行
<?php
function uc_install_header() {
global $lang;
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=<?=UC_CHARSET?>" />
<title><?=UC_NAME?> <?=$lang['install_wizard']?></title>
<link rel="stylesheet" href="style.css" type="text/css" media="all" />
<meta content="Comsenz Inc." name="Copyright" />
</head>
<body>
<div class="container">
<div class="header">
<h1></h1><span><?=UC_NAME.UC_VERSION?> <?=UC_VERNAME?></span>
<?
}
function uc_install_footer() {
?>
<div class="footer">©2001 - 2008 <a href="http://www.comsenz.com/">Comsenz</a> Inc.</div>
</div>
</div>
</body>
</html>
<?
}
function uc_install_msg($message, $url_forward='') {
global $lang;
$message = $lang[$message] ? $lang[$message] : $message;
if($url_forward) {
$message .= "<br /><br /><a href=\"$url_forward\">$message</a>";
$message .= "<script>setTimeout(\"redirect('$url_forward');\", 1250);</script>";
} elseif(strpos($message, $lang['return'])) {
$message .= "<br /><br /><a href=\"javascript:history.go(-1);\">$lang[message_return]</a>";
}
uc_install_header();
echo '</div><div class="main" style="margin-top:-123px;">'.
$lang[message_title].
'<div class="desc1"><ul><li>'.$message.'</li></ul></div><div class="btnbox marginbot"></div>';
uc_install_footer();
exit;
}
function getgpc($k, $var='G') {
switch($var) {
case 'G': $var = &$_GET; break;
case 'P': $var = &$_POST; break;
case 'C': $var = &$_COOKIE; break;
case 'R': $var = &$_REQUEST; break;
}
return isset($var[$k]) ? $var[$k] : '';
}
/**
* 创建用户的 home 目录
*
* @param int $uid
* @param string $dir
* @return string
*/
function set_home($uid, $dir = '.') {
$uid = abs(intval($uid));
$uid = sprintf("%09d", $uid);
$dir1 = substr($uid, 0, 3);
$dir2 = substr($uid, 3, 2);
$dir3 = substr($uid, 5, 2);
!is_dir($dir.'/'.$dir1) && mkdir($dir.'/'.$dir1, 0777);
!is_dir($dir.'/'.$dir1.'/'.$dir2) && mkdir($dir.'/'.$dir1.'/'.$dir2, 0777);
!is_dir($dir.'/'.$dir1.'/'.$dir2.'/'.$dir3) && mkdir($dir.'/'.$dir1.'/'.$dir2.'/'.$dir3, 0777);
return $dir1.'/'.$dir2.'/'.$dir3;
}
/**
* 根据用户的 uid 得到用户的 home 目录
*
* @param int $uid
* @return string
*/
function get_home($uid) {
$uid = abs(intval($uid));
$uid = sprintf("%09d", $uid);
$dir1 = substr($uid, 0, 3);
$dir2 = substr($uid, 3, 2);
$dir3 = substr($uid, 5, 2);
return $dir1.'/'.$dir2.'/'.$dir3;
}
function get_avatar($uid, $size = 'big') {
$size = in_array($size, array('big', 'middle', 'small')) ? $size : 'big';
$uid = abs(intval($uid));
$uid = sprintf("%09d", $uid);
$dir1 = substr($uid, 0, 3);
$dir2 = substr($uid, 3, 2);
$dir3 = substr($uid, 5, 2);
return $dir1.'/'.$dir2.'/'.$dir3.'/'.substr($uid, -2)."_avatar_$size.jpg";
}
function createtable($sql, $dbcharset) {
$type = strtoupper(preg_replace("/^\s*CREATE TABLE\s+.+\s+\(.+?\).*(ENGINE|TYPE)\s*=\s*([a-z]+?).*$/isU", "\\2", $sql));
$type = in_array($type, array('MYISAM', 'HEAP')) ? $type : 'MYISAM';
return preg_replace("/^\s*(CREATE TABLE\s+.+\s+\(.+?\)).*$/isU", "\\1", $sql).
(mysql_get_server_info() > '4.1' ? " ENGINE=$type DEFAULT CHARSET=$dbcharset" : " TYPE=$type");
}
function runquery($sql) {
global $lang, $ucdbcharset, $uctablepre, $uctablepre, $db, $ucdbcharset;
$sql = str_replace("\r\n", "\n", str_replace(' uc_', ' '.$uctablepre, $sql));
//$sql = str_replace("\r", "\n", str_replace(' cdb_', ' '.$tablepre, $sql));
$ret = array();
$num = 0;
foreach(explode(";\n", trim($sql)) as $query) {
$queries = explode("\n", trim($query));
foreach($queries as $query) {
$ret[$num] .= $query[0] == '#' || $query[0].$query[1] == '--' ? '' : $query;
}
$num++;
}
unset($sql);
foreach($ret as $query) {
$query = trim($query);
if($query) {
if(substr($query, 0, 12) == 'CREATE TABLE') {
$name = preg_replace("/CREATE TABLE ([a-z0-9_]+) .*/is", "\\1", $query);
showjsmessage($lang['create_table'].' '.$name.' ... '.$lang['succeed']);
$db->query(createtable($query, $ucdbcharset));
} else {
$db->query($query);
}
}
}
}
function showjsmessage($message) {
echo '<script type="text/javascript">showmessage(\''.addslashes($message).' \');</script>'."\r\n";
flush();
ob_flush();
}
function var_to_hidden($k, $v) {
return "<input type=\"hidden\" name=\"$k\" value=\"$v\" />";
}
function redirect($url) {
global $lang;
echo "<script>",
"function redirect() {window.location.replace('$url');}\n",
"setTimeout('redirect();', 500);\n",
"</script>",
"<br><br><a href=\"$url\">$lang[redirect]</a>";
flush();
}
function random($length, $numeric = 0) {
PHP_VERSION < '4.2.0' && mt_srand((double)microtime() * 1000000);
if($numeric) {
$hash = sprintf('%0'.$length.'d', mt_rand(0, pow(10, $length) - 1));
} else {
$hash = '';
$chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz';
$max = strlen($chars) - 1;
for($i = 0; $i < $length; $i++) {
$hash .= $chars[mt_rand(0, $max)];
}
}
return $hash;
}
function generate_key() {
$random = random(32);
$info = md5($_SERVER['SERVER_SOFTWARE'].$_SERVER['SERVER_NAME'].$_SERVER['SERVER_ADDR'].$_SERVER['SERVER_PORT'].$_SERVER['HTTP_USER_AGENT'].time());
$return = '';
for($i=0; $i<64; $i++) {
$p = intval($i/2);
$return[$i] = $i % 2 ? $random[$p] : $info[$p];
}
return implode('', $return);
}
function authcode($string, $operation = 'DECODE', $key = '', $expiry = 0) {
$ckey_length = 4; // 随机密钥长度 取值 0-32;
// 加入随机密钥，可以令密文无任何规律，即便是原文和密钥完全相同，加密结果也会每次不同，增大破解难度。
// 取值越大，密文变动规律越大，密文变化 = 16 的 $ckey_length 次方
// 当此值为 0 时，则不产生随机密钥
$key = md5($key ? $key : UC_KEY);
$keya = md5(substr($key, 0, 16));
$keyb = md5(substr($key, 16, 16));
$keyc = $ckey_length ? ($operation == 'DECODE' ? substr($string, 0, $ckey_length): substr(md5(microtime()), -$ckey_length)) : '';
$cryptkey = $keya.md5($keya.$keyc);
$key_length = strlen($cryptkey);
$string = $operation == 'DECODE' ? base64_decode(substr($string, $ckey_length)) : sprintf('%010d', $expiry ? $expiry + time() : 0).substr(md5($string.$keyb), 0, 16).$string;
$string_length = strlen($string);
$result = '';
$box = range(0, 255);
$rndkey = array();
for($i = 0; $i <= 255; $i++) {
$rndkey[$i] = ord($cryptkey[$i % $key_length]);
}
for($j = $i = 0; $i < 256; $i++) {
$j = ($j + $box[$i] + $rndkey[$i]) % 256;
$tmp = $box[$i];
$box[$i] = $box[$j];
$box[$j] = $tmp;
}
for($a = $j = $i = 0; $i < $string_length; $i++) {
$a = ($a + 1) % 256;
$j = ($j + $box[$a]) % 256;
$tmp = $box[$a];
$box[$a] = $box[$j];
$box[$j] = $tmp;
$result .= chr(ord($string[$i]) ^ ($box[($box[$a] + $box[$j]) % 256]));
}
if($operation == 'DECODE') {
if((substr($result, 0, 10) == 0 || substr($result, 0, 10) - time() > 0) && substr($result, 10, 16) == substr(md5(substr($result, 26).$keyb), 0, 16)) {
return substr($result, 26);
} else {
return '';
}
} else {
return $keyc.str_replace('=', '', base64_encode($result));
}
}
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