public static function init($force = false)
{
$info = self::getVersion($force);
if ($info->app == iPHP_APP && version_compare($info->version, iCMS_VER, '>=') && $info->release > iCMS_RELEASE) {
self::$version = $info->version;
self::$release = $info->release;
self::$zipName = 'iCMS.' . self::$version . '.patch.' . self::$release . '.zip';
return array(self::$version, self::$release, $info->update, $info->changelog);
}
}
function do_update()
{
$this->msg = iPatch::download();
//下载文件包
include iACP::view("patch");
}
public static function update()
{
@set_time_limit(0);
// Unzip uses a lot of memory
@ini_set('memory_limit', '256M');
require iPHP_CORE . '/pclzip.class.php';
//加载zip操作类
$zipFile = PATCH_DIR . '/' . self::$zipName;
//临时文件
$msg = '正在对 [' . self::$zipName . '] 更新包进行解压缩<iCMS>';
$zip = new PclZip($zipFile);
if (false == ($archive_files = $zip->extract(PCLZIP_OPT_EXTRACT_AS_STRING))) {
exit("ZIP包错误");
}
if (0 == count($archive_files)) {
exit("空的ZIP文件");
}
$msg .= '解压完成<iCMS>';
$msg .= '开始测试目录权限<iCMS>';
$bakDir = iPATH . self::$release . 'bak';
$update = true;
if (!self::checkDir(iPATH)) {
$update = false;
$msg .= iPATH . ' 目录无写权限<iCMS>';
}
//测试目录文件是否写
foreach ($archive_files as $file) {
$folder = $file['folder'] ? $file['filename'] : dirname($file['filename']);
$dp = iPATH . $folder;
if (!self::checkDir($dp) && iFS::ex($dp)) {
$update = false;
$msg .= $dp . ' 目录无写权限<iCMS>';
}
if (empty($file['folder'])) {
$fp = iPATH . $file['filename'];
if (file_exists($fp) && !@is_writable($fp)) {
$update = false;
$msg .= $fp . ' 文件无写权限<iCMS>';
}
}
}
if (!$update) {
$msg .= '权限测试无法完成<iCMS>';
$msg .= '请设置好上面提示的文件写权限<iCMS>';
$msg .= '然后重新更新<iCMS>';
iPatch::$next = false;
return $msg;
}
//测试通过！
iPatch::$next = true;
iFS::mkdir($bakDir);
$msg .= '权限测试通过<iCMS>';
$msg .= '备份目录创建完成<iCMS>';
$msg .= '开始更新程序<iCMS>';
foreach ($archive_files as $file) {
$folder = $file['folder'] ? $file['filename'] : dirname($file['filename']);
$dp = iPATH . $folder;
if (!iFS::ex($dp)) {
$msg .= '创建 [' . $dp . '] 文件夹<iCMS>';
iFS::mkdir($dp);
}
if (empty($file['folder'])) {
$fp = iPATH . $file['filename'];
$bfp = $bakDir . '/' . $file['filename'];
iFS::mkdir(dirname($bfp));
if (iFS::ex($fp)) {
$msg .= '备份 [' . $fp . '] 文件 到 [' . $bfp . ']<iCMS>';
@rename($fp, $bfp);
//备份旧文件
}
$msg .= '更新 [' . $fp . '] 文件<iCMS>';
iFS::write($fp, $file['content']);
$msg .= '[' . $fp . '] 更新完成!<iCMS>';
}
}
$msg .= '清除临时文件!<iCMS>注:原文件备份在 [' . $bakDir . '] 目录<iCMS>如没有特殊用处请删除此目录!<iCMS>';
iFS::rmdir(PATCH_DIR, true, 'version.txt');
return $msg;
}