/**
* 静态方法, 单例统一访问入口
* @return object 返回对象的唯一实例
*/
public static function getInstance()
{
if (is_null(self::$_instance) || !isset(self::$_instance)) {
self::$_instance = new self();
}
return self::$_instance;
}
/**
* 形成最终第三方所需数据
*/
public function generateFileData($appKey, $session, $linkType)
{
//todo appKey检测
if ($linkType != MiniLink::$DIRECT_LINK) {
$linkType = MiniLink::$PREVIEW_LINK;
}
$links = MiniChooserLink::getInstance()->getBySession($session);
foreach ($links as $link) {
$files = MiniLink::getInstance()->getById($link['link_id']);
$fileId = $files['file_id'];
$shareKey = $files['share_key'];
$fileInfo = $this->getLink($fileId, $linkType, $shareKey);
$filesInfo['list'][] = $fileInfo;
}
$filesInfo['success'] = true;
if ($filesInfo['list'] == null) {
$filesInfo['success'] = false;
}
return $filesInfo;
}
/**
* 分享用户指定分享
* @param $userNames
* @return bool
*/
public function sendToTransfer($userNames)
{
$link = MiniLink::getInstance()->getByKey($this->key);
if ($link === NULL) {
return;
}
$file = MiniFile::getInstance()->getById($link["file_id"]);
if ($file === NULL) {
return;
}
$deviceId = $this->device["id"];
if (count($userNames) > 0) {
foreach ($userNames as $name) {
$user = MiniUser::getInstance()->getUserByName($name);
if ($user === NULL) {
continue;
}
MiniFile::getInstance()->copy($file["id"], $user['id'], $deviceId, 0);
}
return true;
}
return false;
}
/**
* 删除文件
* @param int $id
* @return bool
*/
public function deleteFile($id)
{
$model = $this->getModelById($id);
if (isset($model)) {
$file = $this->db2Item($model);
//删除FileMeta
MiniFileMeta::getInstance()->cleanFileMetaByPath($file["file_path"]);
//删除tag数据
MiniTag::getInstance()->deleteByFileId($id);
//Version数据减一
$versionId = $file["version_id"];
MiniVersion::getInstance()->updateRefCountByIds(array($versionId), false);
//删除share_files
MiniLink::getInstance()->unlink($id);
//删除user_privilege
MiniUserPrivilege::getInstance()->deleteByFilePath($file["file_path"]);
//删除自己
$model->delete();
}
return true;
}
/**
* 检查密码
* @return mixed
*/
public function checkPassword()
{
$key = MiniHttp::getParam("key", "");
$password = MiniHttp::getParam("password", "");
$result = MiniLink::getInstance()->checkPassword($key, $password);
return $result;
}
/**
* 彻底删除文件
* 根据{id}递归删除自目录
* 根据{id}找出文件的{version_id}，把文件引用数减1
* 根據{id}删除fileMeta
* 根据{id}删除file
* @param $fileIds
* @param $force
* @return boolean
*/
public function deletedFile($fileIds, $force = false)
{
if ($fileIds === '' && strlen($fileIds) <= 0) {
return 0;
}
$ids = '';
$arr = array();
$data = $this->findAll("id in(" . $fileIds . ")");
$list = array();
$device_id = Yii::app()->session["deviceId"];
foreach ($data as $key => $value) {
//
// 递归删除所有子文件
//
$moreData = $this->findAll("user_id=:type1 and file_path like :type2", array('type1' => $value['user_id'], 'type2' => $value['file_path'] . "%"));
foreach ($moreData as $k => $v) {
if ($v['is_deleted'] == 0 || $v['is_deleted'] == -1) {
$user_id = $v['user_id'];
$path = $v['file_path'];
$context = $path;
$event_uuid = MiniUtil::getEventRandomString(46);
$action = 1;
// 修改文件
$share_filter = MSharesFilter::init();
$share_filter->handlerCheckByFile($user_id, $v);
if ($v['file_type'] == 0) {
//
// 如果是文件,需要创建版本
//
$user = Yii::app()->session['user'];
$device = UserDevice::model()->findByUserIdAndType($user['id'], CConst::DEVICE_WEB);
$deviceName = $device["user_device_name"];
$this->_saveFileMeta($path, $v['version_id'], $user['id'], $user['name'], CConst::DELETE, $deviceName, $v['file_size']);
}
MiniEvent::getInstance()->createEvent($user_id, $device_id, $action, $path, $context, $event_uuid, $share_filter->type);
$share_filter->handlerAction($action, $device_id, $path, $context);
//
// 删除共享目录
//
if ($v['file_type'] == 2 || $v['file_type'] == 3) {
$handler = new ShareManager();
$handler->_userId = $share_filter->operator;
$handler->_id = $v['id'];
try {
$handler->invoke(ShareManager::CANCEL_SHARED);
} catch (Exception $e) {
}
}
}
$id = $v['id'];
if (in_array($id, $arr)) {
// 排除重复
continue;
}
if ($v['file_type'] == 0) {
array_push($list, $v['version_id']);
}
if (strlen($ids) > 0) {
$ids = $ids . ",";
}
array_push($arr, $id);
$ids = $ids . $id;
}
}
//
// 更新文件版本引用次数
//
$version = new FileVersion();
$version->updateRefCountByIds($list);
//删除共享文件信息
MiniLink::getInstance()->unlink($ids);
FileStar::model()->deleteAll('id in (:ids)', array(':ids' => $ids));
//后台管理员台实现逻辑
$value = $this->deleteAll("id in(" . $ids . ")");
return $value;
}
/**
* 获取文本内容
* @param $key
* @param $path
* @return mixed
*/
public function txtContent($key, $path)
{
$link = MiniLink::getInstance()->getByKey($key);
if ($link !== NULL) {
$file = MiniFile::getInstance()->getById($link["file_id"]);
$parentPath = $file["file_path"];
if ($file !== NULL) {
$userId = $file["user_id"];
$absolutePath = MiniUtil::getAbsolutePath($userId, $path);
//必须限定子目录在外链目录下
if (strpos($absolutePath, $parentPath) == 0) {
return MiniFile::getInstance()->getTxtContent($absolutePath);
}
}
}
}
/**
* 判断权限是否匹配
* @param $path
* @return bool
*/
public function privilege($path)
{
if (empty($this->user['id'])) {
//用户未登陆情况下预览权限判断，为外链预览
$fileObj = MiniFile::getInstance()->getByPath($path);
$fileId = (int) $fileObj['id'];
$isLinkExist = MiniLink::getInstance()->getByFileId($fileId);
//判断是否为外链，不是则判断其父级是否为外链
$isParentLinked = false;
if (empty($isLinkExist)) {
//如果该文件不存在外链,则判断父级目录是否做外链
$jointPath = '/' . $pathArr[1];
for ($i = 2; $i < count($pathArr); $i++) {
$jointPath .= '/' . $pathArr[$i];
$parentFileObj = MiniFile::getInstance()->getByPath($jointPath);
$parentFileId = (int) $parentFileObj['id'];
$parentLinkObj = MiniLink::getInstance()->getByFileId($parentFileId);
$isParentLinkExist = !empty($parentLinkObj);
if ($isParentLinkExist) {
//如果父级目录存在外链
$isParentLinked = true;
break;
} else {
$isParentLinked = false;
}
}
} else {
return $canRead = true;
//如果该文件本身就是外链文件，则可读
}
//如果父亲目录是外链目录，则可读；否则不可
if ($isParentLinked) {
return true;
} else {
return false;
}
}
//用户已登陆情况下，判断文件是否属于自己
$pathArr = explode('/', $path);
$masterId = $pathArr[1];
if ($masterId == $this->user['id']) {
//如果文件是自己文件，则拥有预览权限
return true;
} else {
//如果文件不为自己文件
$permission = UserPermissionBiz::getInstance()->getPermission($path, $this->user['id']);
if (empty($permission)) {
return false;
} else {
return true;
}
}
}
/**
* 移动文件后的扩展操作
*/
public function extend($from_path, $to_path)
{
//删除分享的操作
$pathFromInfo = MUtils::pathinfo_utf($from_path);
$pathToInfo = MUtils::pathinfo_utf($to_path);
if ($pathFromInfo["dirname"] != $pathToInfo["dirname"]) {
MiniLink::getInstance()->unlink($this->fromId);
}
}
/** 组装数组
* @param $fileList
* @param $shareList
* @param $key
* @return array
*/
private function do2vo($fileList, $shareList, $key)
{
if ($key == 1) {
$list = $fileList;
} else {
$list = $shareList;
}
$listShare = array();
foreach ($list as $value) {
if ($key == 1) {
$file = $value;
$shareList = MiniLink::getInstance()->getByFileId($file["id"]);
$share = $shareList;
$shareData['file_name'] = null;
} else {
$share = $value;
$fileList = MiniFile::getInstance()->getUndeleteFile($share['file_id']);
$file = $fileList;
}
if (empty($file)) {
break;
}
$shareData['file_name'] = $file['file_name'];
$shareData['path'] = MiniUtil::getRelativePath($file['file_path']);
$shareData['size'] = $file['file_size'];
$shareData['updated_at'] = $share['updated_at'];
$shareData['share_key'] = $share['share_key'];
$shareData['file_type'] = $file['file_type'];
$shareData['link'] = $this->link($share['share_key']);
$listShare[] = $shareData;
}
return $listShare;
}
/**
* 修改分享信息
* @param $key
* @param $shareKey
* @param $password
* @param $time
*/
public function setAccessPolicy($key, $shareKey, $password, $time)
{
return MiniLink::getInstance()->setAccessPolicy($key, $shareKey, $password, $time);
}
/**
* 创建外联（1.6将去掉）
* @param $fileId
* @param $status
* @return array
*/
public function createLink($fileId, $status)
{
if ($status == "0") {
MiniLink::getInstance()->unlink($fileId);
$data = array();
$data["state"] = true;
$data["code"] = 0;
return $data;
} else {
//创建外链
$link = MiniLink::getInstance()->create($this->user["id"], $fileId, "", -1);
$data = array();
$linkCode = array();
$linkCode[$fileId] = $link["share_key"];
$data["linkcode"] = $linkCode;
$data["state"] = true;
$data["code"] = 0;
return $data;
}
}
/**
* 处理组装请求元数据
* @param $response
* @param $file
* @param $mimeType
* @return mixed
*/
private function assembleResponse($response, $file, $mimeType)
{
$filePath = $file["file_path"];
$result = LockBiz::getInstance()->status($filePath);
$response['lock'] = $result["success"];
$response["size"] = MUtils::getSizeByLocale($this->locale, $file["file_size"]);
$response["bytes"] = (int) $file["file_size"];
$response["path"] = $filePath;
$response["file_name_pinyin"] = $file['file_name_pinyin'];
$response["modified"] = MUtils::formatIntTime($file["file_update_time"]);
$response["create_time"] = $file["file_create_time"];
$response["update_time"] = $file["file_update_time"];
$response["revision"] = intval($file["version_id"]);
$response["rev"] = strval($file["version_id"]);
$response["root"] = $this->root;
$response["hash"] = !empty($file["signature"]) ? $file["signature"] : "";
$response["event"] = $file["event_uuid"];
$response["sort"] = (int) $file["sort"];
//外链Key
$link = MiniLink::getInstance()->getByFileId($file['id']);
if (empty($link['share_key'])) {
$response["share_key"] = '';
} else {
$response["share_key"] = $link['share_key'];
}
$response['is_dir'] = false;
$permission = UserPermissionBiz::getInstance()->getPermission($filePath, $this->userId);
if (!empty($permission)) {
if (isset($permission['children_shared'])) {
$response['children_shared'] = true;
} else {
$permission["share_model"] = $this->getShareModel($filePath);
$response['share'] = $permission;
}
$filePermission = new MiniPermission($permission['permission']);
$response['canDelete'] = $filePermission->canDeleteFile();
if (empty($permission['permission'])) {
return null;
}
}
if ($file["file_type"] == MConst::OBJECT_TYPE_FILE) {
$mimeType = MiniUtil::getMimeType($file['file_path']);
$response["thumb_exists"] = MUtils::isExistThumbnail($mimeType, (int) $file["file_size"]);
} else {
$response['is_dir'] = true;
}
if ($file["file_type"] > MConst::OBJECT_TYPE_FILE) {
$response["type"] = (int) $file["file_type"];
}
if (!empty($mimeType)) {
$response["mime_type"] = $mimeType;
}
if ($file["is_deleted"] == true) {
$response["is_deleted"] = true;
}
return $response;
}
/**
* 删除回收站所有记录, 但保留源数据
* @since 1.0.0
* by Kindac
*/
private function handleSuperClean()
{
$this->fromIds = $this->getTrashList();
if (empty($this->fromIds)) {
$this->handleResult(TRUE, 0, Yii::t('api_message', 'action_success'));
Yii::app()->end();
}
$files = UserFile::model()->getFilesByIds($this->fromIds, 1);
// $files = UserFile::model()->findAllByAttributes(array("user_id" => $this->_userId, "is_deleted" => 1));
$ids = array();
foreach ($files as $file) {
array_push($ids, $file["id"]);
//
// 将文件的版本引用次数减1
//
if ($file['file_type'] == 0) {
MiniVersion::getInstance()->updateRefCount($file['version_id'], FALSE);
}
}
$ids = join(",", $ids);
// 我的最爱和分享都删除
$value = 0;
if (!empty($ids)) {
FileStar::model()->deleteAll('id in (' . $ids . ')');
MiniLink::getInstance()->unlink($ids);
$value = UserFile::model()->updateAll(array("is_deleted" => -1), "id in ({$ids})");
}
if ($value >= 0) {
$this->handleResult(TRUE, 0, Yii::t('api_message', 'action_success'));
}
}
