📄 unzip.php
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<?php
define('APPNAME', 'Discuz!');
define('ZIPFILE', 'discuz.zip');
if(empty($_POST['path'])) {
showheader();
?>
<form method="post">
请输入解压缩的路径: <input name="path" />
<input type="submit" value="确定" />
</form>
<?
showfooter();
exit;
} else {
showheader();
$unzip = new SimpleUnzip();
$unzip->ReadFile(ZIPFILE);
if($unzip->Count() == 0 || $unzip->GetError(0) != 0) {
instmsg('压缩包错误，请重新上传');
}
$filecount = 0;
$sizecount = 0;
foreach($unzip->Entries as $entry) {
!file_exists($_POST['path'].'/'.$entry->Path) && make_dir($_POST['path'].'/'.$entry->Path);
$filename = $_POST['path'].'/'.$entry->Path.'/'.$entry->Name;
if(is_writable($filename)) {
if(!$handle = @fopen($filename, 'a')) {
instmsg("不能打开文件 $filename");
}
if(@fwrite($handle, $entry->Data) === FALSE) {
instmsg("不能写入到文件 $filename");
}
@fclose($handle);
} else {
instmsg("文件 $filename 不可写");
}
$filecount++;
}
echo '解压缩完毕，创建'.$filecount.' 个文件，<a href="'.$_POST['path'].'/install/">点击这里安装 '.APPNAME.'</a>';
showfooter();
}
function make_dir($path) {
$chunk = explode('/', $path);
$pp = '';
foreach($chunk as $p) {
if(substr($p, -1) != '.' && !is_dir($pp.$p)) {
@mkdir($pp.$p, 0777);
}
$pp .= $p.'/';
}
return is_dir($path);
}
function instmsg($message, $url_forward = '') {
global $lang, $msglang;
$message = $msglang[$message] ? $msglang[$message] : $message;
echo '<center><b>系统提示信息</b><br />'.$message.'<br /><br /></center>';
$url = "<a href=\"javascript:history.go(-1);\">返回</a>";
echo $url ? "<center>$url</center>" : '';
showfooter();
}
function showheader() {
global $version_old, $version_new;
$APPNAME = APPNAME;
print <<< EOT
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
<title>$APPNAME 解压缩程序</title>
<meta name="MSSmartTagsPreventParsing" content="TRUE">
<meta http-equiv="MSThemeCompatible" content="Yes">
<style>
a:visited {color: #FF0000; text-decoration: none}
a:link {color: #FF0000; text-decoration: none}
a:hover {color: #FF0000; text-decoration: underline}
body,table,td {color: #3a4273; font-family: Tahoma, verdana, arial; font-size: 12px; line-height: 20px; scrollbar-base-color: #e3e3ea; scrollbar-arrow-color: #5c5c8d}
input {color: #085878; font-family: Tahoma, verdana, arial; font-size: 12px; background-color: #3a4273; color: #ffffff; scrollbar-base-color: #e3e3ea; scrollbar-arrow-color: #5c5c8d}
.install {font-family: Arial, Verdana; font-size: 14px; font-weight: bold; color: #000000}
.header {font: 12px Tahoma, Verdana; font-weight: bold; background-color: #3a4273 }
.header td {color: #ffffff}
.red {color: red; font-weight: bold}
.bg1 {background-color: #e3e3ea}
.bg2 {background-color: #eeeef6}
</style>
</head>
<body bgcolor="#3A4273" text="#000000">
<table width="95%" height="100%" border="0" cellspacing="0" cellpadding="0" bgcolor="#FFFFFF" align="center">
<tr>
<td>
<table width="98%" border="0" cellspacing="0" cellpadding="0" align="center">
<tr>
<td class="install" height="30" valign="bottom"><font color="#FF0000">>></font>
$APPNAME 解压缩程序</td>
</tr>
<tr>
<td>
<hr noshade align="center" width="100%" size="1">
</td>
</tr>
<tr>
<td align="center">
<b>本解压缩程序负责程序的解压缩，请确认已经上传所有文件，并做好数据备份<br />
</td>
</tr>
<tr>
<td>
<hr noshade align="center" width="100%" size="1">
</td>
</tr>
<tr><td>
EOT;
}
function showfooter() {
echo <<< EOT
</td></tr></table></td></tr>
<tr><td height="100%"> </td></tr>
</table>
</body>
</html>
EOT;
exit();
}
class SimpleUnzip {
var $Comment = ''; var $Entries = array();
var $Name = '';
var $Size = 0;
var $Time = 0;
function SimpleUnzip($in_FileName = '') {
if($in_FileName !== '') {
SimpleUnzip::ReadFile($in_FileName);
}
}
function Count() {
return count($this->Entries);
}
function GetData($in_Index) {
return $this->Entries[$in_Index]->Data;
}
function GetEntry($in_Index) {
return $this->Entries[$in_Index];
}
function GetError($in_Index) {
return $this->Entries[$in_Index]->Error;
}
function GetErrorMsg($in_Index) {
return $this->Entries[$in_Index]->ErrorMsg;
}
function GetName($in_Index) {
return $this->Entries[$in_Index]->Name;
}
function GetPath($in_Index) {
return $this->Entries[$in_Index]->Path;
}
function GetTime($in_Index) {
return $this->Entries[$in_Index]->Time;
}
function ReadFile($in_FileName) {
$this->Entries = array(); $this->Name = $in_FileName;
$this->Time = filemtime($in_FileName);
$this->Size = filesize($in_FileName); $oF = fopen($in_FileName, 'rb');
$vZ = fread($oF, $this->Size);
fclose($oF); $aE = explode("\x50\x4b\x05\x06", $vZ); $aP = unpack('x16/v1CL', $aE[1]);
$this->Comment = substr($aE[1], 18, $aP['CL']); $this->Comment = strtr($this->Comment, array("\r\n" => "\n", "\r" => "\n"));
$aE = explode("\x50\x4b\x01\x02", $vZ);
$aE = explode("\x50\x4b\x03\x04", $aE[0]); array_shift($aE); foreach($aE as $vZ) {
$aI = array();
$aI['E'] = 0;
$aI['EM'] = '';
$aP = unpack('v1VN/v1GPF/v1CM/v1FT/v1FD/V1CRC/V1CS/V1UCS/v1FNL', $vZ);
$bE = ($aP['GPF'] && 0x0001) ? TRUE : FALSE;
$nF = $aP['FNL']; if($aP['GPF'] & 0x0008) {
$aP1 = unpack('V1CRC/V1CS/V1UCS', substr($vZ, -12)); $aP['CRC'] = $aP1['CRC'];
$aP['CS'] = $aP1['CS'];
$aP['UCS'] = $aP1['UCS']; $vZ = substr($vZ, 0, -12);
} $aI['N'] = substr($vZ, 26, $nF); if(substr($aI['N'], -1) == '/') {
continue;
} $aI['P'] = dirname($aI['N']);
$aI['P'] = $aI['P'] == '.' ? '' : $aI['P'];
$aI['N'] = basename($aI['N']); $vZ = substr($vZ, 26 + $nF); if(strlen($vZ) != $aP['CS']) {
$aI['E'] = 1;
$aI['EM'] = 'Compressed size is not equal with the value in header information.';
} else {
if($bE) {
$aI['E'] = 5;
$aI['EM'] = 'File is encrypted, which is not supported from this class.';
} else {
switch($aP['CM']) {
case 0: break; case 8: $vZ = gzinflate($vZ);
break; case 12: if(!extension_loaded('bz2')) {
if(strtoupper(substr(PHP_OS, 0, 3)) == 'WIN') {
@dl('php_bz2.dll');
} else {
@dl('bz2.so');
}
} if(extension_loaded('bz2')) {
$vZ = bzdecompress($vZ);
} else {
$aI['E'] = 7;
$aI['EM'] = "PHP BZIP2 extension not available.";
}
break; default:
$aI['E'] = 6;
$aI['EM'] = "De-/Compression method {$aP['CM']} is not supported.";
} if(!$aI['E']) {
if($vZ === FALSE) {
$aI['E'] = 2;
$aI['EM'] = 'Decompression of data failed.';
} else {
if(strlen($vZ) != $aP['UCS']) {
$aI['E'] = 3;
$aI['EM'] = 'Uncompressed size is not equal with the value in header information.';
} else {
if(crc32($vZ) != $aP['CRC']) {
$aI['E'] = 4;
$aI['EM'] = 'CRC32 checksum is not equal with the value in header information.';
}
}
}
}
}
} $aI['D'] = $vZ; $aI['T'] = mktime(($aP['FT'] & 0xf800) >> 11,
($aP['FT'] & 0x07e0) >> 5,
($aP['FT'] & 0x001f) << 1,
($aP['FD'] & 0x01e0) >> 5,
($aP['FD'] & 0x001f),
(($aP['FD'] & 0xfe00) >> 9) + 1980); $this->Entries[] = &new SimpleUnzipEntry($aI);
}
return $this->Entries;
}
}
class SimpleUnzipEntry {
var $Data = '';
var $Error = 0;
var $ErrorMsg = '';
var $Name = '';
var $Path = '';
var $Time = 0;
function SimpleUnzipEntry($in_Entry) {
$this->Data = $in_Entry['D'];
$this->Error = $in_Entry['E'];
$this->ErrorMsg = $in_Entry['EM'];
$this->Name = $in_Entry['N'];
$this->Path = $in_Entry['P'];
$this->Time = $in_Entry['T'];
}
}
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