问题描述：

在最新推送的代码core\class\io\io_dzz.php文件中的public function Delete函数会导致网盘插件中我的网盘空间大小在删除文件时不会发生变化。

修复方法：

修复解释：

因为之前的版本未出现此问题，所以将造成此问题的代码回滚到未出现此问题的代码

文件：core\class\io\io_dzz.php

原代码：

public function Delete($path,$finaldelete=false, $force = false)
    {

        global $_G;
        if (strpos($path, 'dzz::') === 0) {
            if (strpos($path, './') !== false) return false;
            @unlink($_G['setting']['attachdir'] . preg_replace('/^dzz::/i', '', $path));
            return true;

        } elseif (strpos($path, 'attach::') === 0) {
            if (strpos($path, './') !== false) return false;
            return C::t('attachment')->delete_by_aid(intval(str_replace('attach::', '', $path)));
        } elseif (strpos($path, 'TMP::') === 0) {
            $tmp = str_replace('\\', '/', sys_get_temp_dir());
            return @unlink(str_replace('TMP::', $tmp . '/', $path));
        } elseif (preg_match('/^dzz:[gu]id_\d+:.+?/i', $path)) {
            $dir = dirname($path) . '/';
            if (!$pfid = C::t('resources_path')->fetch_fid_bypath($dir)) {
                return false;
            }
            $filename = preg_replace('/^.+[\\\\\\/]/', '', $path);
            //如果是文件夹
            if (!$filename) {
                $patharr = preg_split('/[\\\\\\/]/', $path);
                $patharr = array_filter($patharr);
                $filename = end($patharr);
            }

            if ($rid = DB::result_first("select rid from %t where pfid = %d and name = %s and isdelete < 1", array('resources', $pfid, $filename))) {
				$icoarr=C::t('resources')->fetch_by_rid($rid);
            }else{
				 return array('rid' => $icoarr['rid'], 'error' => lang('file_longer_exists'));
			}

            if ($force || perm_check::checkperm('delete', $icoarr)) {
                if ($finaldelete) {//强制彻底删除
                    C::t('resources')->delete_by_rid($path, true);
                } elseif ($icoarr['isdelete'] > 0) {//删除状态彻底删除
                    C::t('resources')->delete_by_rid($path, true);
                } else {//非删除状态删除到回收站
                    $return = C::t('resources')->recyle_by_rid($icoarr['rid'],$force);
                    if ($return['error']) {
                        return $return;
                    }
                }
            } else {
                return array('rid' => $icoarr['rid'], 'error' => lang('no_privilege'));
            }
			
            return array('rid' => $icoarr['rid'], 'name' => $icoarr['name']);
        } elseif (preg_match('/\w{32}/i', $path)) {//rid删除
            try {
                if (!$icoarr = C::t('resources')->fetch_by_rid($path)) {
                    return array('rid' => $path, 'error' => lang('file_longer_exists'));
                }
				//当文件在回收站时，补全文件的原pfid(通过回收站表)
				if($icoarr['pfid']=='-1' && ($recycle=C::t('resources_recyle')->fetch_by_rid($path))){
					$icoarr['pfid']=$recycle['pfid'];
				}
				//文件大小统计改到 resources表中处理
               /* $size = 0;
                if ($icoarr['type'] == 'folder') {
                    $contains = C::t('resources')->get_contains_by_fid($icoarr['oid'], true);
                    $size = $contains['size'];
                } else {
                    if ($icoarr['vid'] > 0) {
                        $size = DB::result_first("select sum(size) from %t where rid = %s", array('resources_version', $icoarr['rid']));
                    } else {
                        $size = $icoarr['size'];
                    }
                }*/
                if ($force || perm_check::checkperm('delete', $icoarr)) {
                    if ($finaldelete) {//强制彻底删除
                        C::t('resources')->delete_by_rid($path, true);
                    } elseif ($icoarr['isdelete'] > 0) {//删除状态彻底删除
                        C::t('resources')->delete_by_rid($path, true);
                    } else {//非删除状态删除到回收站
                        $return = C::t('resources')->recyle_by_rid($icoarr['rid'],$force);
                        if ($return['error']) {
                            return $return;
                        }
                    }
                } else {
                    return array('rid' => $icoarr['rid'], 'error' => lang('no_privilege'));
                }
				//文件大小统计改到 resources表中处理
                /*if ($size > 0 && !$icoarr['isdelete']) {
                    SpaceSize(-$size, $icoarr['gid'], true);
                }*/
                return array('rid' => $icoarr['rid'], 'name' => $icoarr['name']);
            } catch (Exception $e) {
                return array('error' => $e->getMessage());
            }
        }
    }

修改后的代码：

public function Delete($path, $force = false)
    {
        global $_G;
        if (strpos($path, 'dzz::') === 0) {
            if (strpos($path, './') !== false) return false;
            @unlink($_G['setting']['attachdir'] . preg_replace('/^dzz::/i', '', $path));
            return true;

        } elseif (strpos($path, 'attach::') === 0) {
            if (strpos($path, './') !== false) return false;
            return C::t('attachment')->delete_by_aid(intval(str_replace('attach::', '', $path)));
        } elseif (strpos($path, 'TMP::') === 0) {
            $tmp = str_replace('\\', '/', sys_get_temp_dir());
            return @unlink(str_replace('TMP::', $tmp . '/', $path));
        } elseif (preg_match('/^dzz:[gu]id_\d+:.+?/i', $path)) {
            $dir = dirname($path) . '/';
            if (!$pfid = C::t('resources_path')->fetch_fid_bypath($dir)) {
                return false;
            }
            $filename = preg_replace('/^.+[\\\\\\/]/', '', $path);
            //如果是文件夹
            if (!$filename) {
                $patharr = preg_split('/[\\\\\\/]/', $path);
                $patharr = array_filter($patharr);
                $filename = end($patharr);
            }

            if (!$icoarr = DB::fetch_first("select * from %t where pfid = %d and name = %s and isdelete < 1", array('resources', $pfid, $filename))) {
                return array('rid' => $icoarr['rid'], 'error' => lang('file_longer_exists'));
            }
            $size = 0;
            if ($icoarr['type'] == 'folder') {
                $contains = C::t('resources')->get_contains_by_fid($icoarr['oid'], true);
                $size = $contains['size'];
            } else {
                if ($icoarr['vid'] > 0) {
                    $size = DB::result_first("select sum(size) from %t where rid = %s", array('resources_version', $icoarr['rid']));
                } else {
                    $size = $icoarr['size'];
                }
            }
            if (perm_check::checkperm('delete', $icoarr)) {
                if ($force) {//强制彻底删除
                    C::t('resources')->delete_by_rid($path, true);
                } elseif ($icoarr['isdelete'] > 0) {//删除状态彻底删除
                    C::t('resources')->delete_by_rid($path, false);
                } else {//非删除状态删除到回收站
                    $return = C::t('resources')->recyle_by_rid($icoarr['rid']);
                    if ($return['error']) {
                        return $return;
                    }
                }
            } else {
                return array('rid' => $icoarr['rid'], 'error' => lang('no_privilege'));
            }
            if ($size > 0 && !$icoarr['isdelete']) {
                SpaceSize(-$size, $icoarr['gid'], true);
            }
            return array('rid' => $icoarr['rid'], 'name' => $icoarr['name']);
        } elseif (preg_match('/\w{32}/i', $path)) {//rid删除
            try {
                if (!$icoarr = C::t('resources')->fetch_info_by_rid($path)) {
                    return array('rid' => $path, 'error' => lang('file_longer_exists'));
                }
                $size = 0;
                if ($icoarr['type'] == 'folder') {
                    $contains = C::t('resources')->get_contains_by_fid($icoarr['oid'], true);
                    $size = $contains['size'];
                } else {
                    if ($icoarr['vid'] > 0) {
                        $size = DB::result_first("select sum(size) from %t where rid = %s", array('resources_version', $icoarr['rid']));
                    } else {
                        $size = $icoarr['size'];
                    }
                }
                if (perm_check::checkperm('delete', $icoarr)) {
                    if ($force) {//强制彻底删除
                        C::t('resources')->delete_by_rid($path, true);
                    } elseif ($icoarr['isdelete'] > 0) {//删除状态彻底删除
                        C::t('resources')->delete_by_rid($path, false);
                    } else {//非删除状态删除到回收站
                        $return = C::t('resources')->recyle_by_rid($icoarr['rid']);
                        if ($return['error']) {
                            return $return;
                        }
                    }
                } else {
                    return array('rid' => $icoarr['rid'], 'error' => lang('no_privilege'));
                }
                if ($size > 0 && !$icoarr['isdelete']) {
                    SpaceSize(-$size, $icoarr['gid'], true);
                }
                return array('rid' => $icoarr['rid'], 'name' => $icoarr['name']);
            } catch (Exception $e) {
                return array('error' => $e->getMessage());
            }
        }
    }