示例#1
0
 /**
  * 控制器执行主逻辑函数
  *
  * @return mixed $value 返回最终需要执行完的结果
  */
 public function invoke($uri = null)
 {
     // 调用父类初始化函数,注册自定义的异常和错误处理逻辑
     parent::init();
     $params = $_REQUEST;
     // 检查参数
     if (isset($params) === false || $params == null) {
         throw new Exception(Yii::t('api', 'Invalid parameters'));
     }
     // 文件大小格式化参数
     $locale = "bytes";
     if (isset($params["locale"])) {
         $locale = $params["locale"];
     }
     $url = $uri;
     $url_manager = new MUrlManager();
     $this->_root = $url_manager->parseRootFromUrl($uri);
     $path = $url_manager->parsePathFromUrl($uri);
     $path = MUtils::convertStandardPath($path);
     $originalPath = $path;
     // 检查共享
     $share_filter = MSharesFilter::init();
     //        $share_filter
     //
     // 获取用户数据,如user_id
     $user = MUserManager::getInstance()->getCurrentUser();
     $device = MUserManager::getInstance()->getCurrentDevice();
     $this->_user_id = $user["user_id"];
     $user_nick = $user["user_name"];
     $user_device_id = $device["device_id"];
     $this->_user_device_name = $device["user_device_name"];
     $rev = $params["rev"];
     $rev = intval($rev);
     $path = "/{$this->_user_id}{$path}";
     //
     // 该文件是否具有此版本
     //
     $file_meta = MFileMetas::queryFileMeta($path, MConst::VERSION);
     if ($file_meta == false || empty($file_meta)) {
         throw new MFileopsException(Yii::t('api', '    Unable to find the revision at that path'), MConst::HTTP_CODE_404);
     }
     if (MUtils::isExistReversion($rev, $file_meta[0]["meta_value"]) == false) {
         throw new MFileopsException(Yii::t('api', '    Unable to find the revision at that path'), MConst::HTTP_CODE_404);
     }
     //
     // 查询版本信息
     //
     $version = MiniVersion::getInstance()->getVersion($rev);
     if ($version == null) {
         throw new MFileopsException(Yii::t('api', '    Unable to find the revision at that path'), MConst::HTTP_CODE_404);
     }
     $size = $version["file_size"];
     $file_hash = $version["file_signature"];
     //
     // 查询文件信息
     //
     $query_db_file = MFiles::queryFilesByPath($path);
     if ($query_db_file === false || empty($query_db_file)) {
         throw new MFileopsException(Yii::t('api', 'not existed'), MConst::HTTP_CODE_404);
     }
     if ($query_db_file[0]["file_type"] == MConst::OBJECT_TYPE_DIRECTORY) {
         // 文件夹不需要版本
         throw new MFileopsException(Yii::t('api', 'folder not existed version'), MConst::HTTP_CODE_403);
     }
     if ($rev !== $query_db_file[0]["version_id"]) {
         //
         // 更新文件版本
         //
         $updates = array();
         $updates["version_id"] = $rev;
         $updates["file_update_time"] = time();
         $updates["file_size"] = $size;
         $updates["event_uuid"] = MiniUtil::getEventRandomString(MConst::LEN_EVENT_UUID);
         $ret = MFiles::updateFileDetailById($query_db_file[0]["id"], $updates);
         if ($ret === false) {
             throw new MFileopsException(Yii::t('api', 'Internal Server Error'), MConst::HTTP_CODE_500);
         }
         $file_detail = new MFiles();
         $file_detail->file_name = $query_db_file[0]["file_name"];
         //
         // 保存事件
         //
         $context = array("hash" => $file_hash, "rev" => (int) $rev, "bytes" => (int) $size);
         //
         // 增加修改事件
         //
         $ret = MiniEvent::getInstance()->createEvent($this->_user_id, $user_device_id, MConst::MODIFY_FILE, $path, serialize($context), $updates["event_uuid"]);
         if ($ret === false) {
             throw new MFileopsException(Yii::t('api', 'Internal Server Error'), MConst::HTTP_CODE_500);
         }
         $this->handleFileMeta($path, $rev, $user_nick, $this->_user_device_name, $query_db_file[0]["file_size"]);
     }
     // TODO
     $mime_type = $version["mime_type"];
     $response = array();
     $response["size"] = MUtils::getSizeByLocale($locale, $size);
     $response["is_deleted"] = true;
     $response["bytes"] = intval($size);
     $response["thumb_exists"] = MUtils::isExistThumbnail($mime_type, $size);
     $response["path"] = $originalPath;
     $response["root"] = $this->_root;
     $response["is_dir"] = false;
     $response["mime_type"] = $mime_type;
     $response["modified"] = MUtils::formatIntTime(time());
     $response["rev"] = strval($rev);
     $response["revision"] = $rev;
     echo json_encode($response);
 }
示例#2
0
 /**
  * 文件修改逻辑处理,包括冲突处理
  * @param array $fileDetail
  * @throws
  * @return array
  */
 private function modifyFile($fileDetail)
 {
     // 判断是否重写
     if ($this->overwrite == false) {
         $this->create_file = true;
         return;
     }
     //
     // 如果不为修改文件,则返回
     //
     if ($this->create_file == true) {
         return;
     }
     $fileMeta = MFileMetas::queryFileMeta($fileDetail->file_path, MConst::VERSION);
     if ($fileMeta == false || empty($fileMeta)) {
         $this->create_file = true;
         MFiles::updateFileDetailById($fileDetail->id, array('is_deleted' => 1));
         return;
     }
     //
     // 检查parent_rev是否存在
     //
     if (MUtils::isExistReversion($this->parent_rev, $fileMeta[0]["meta_value"]) == false) {
         $this->parent_rev = 0;
     }
     //
     // 修改的内容一致
     //
     if ($this->version_id == $fileDetail->version_id) {
         $this->create_event = false;
         return;
     }
     //
     // 生成冲突文件
     //
     if ($fileDetail->version_id != $this->parent_rev && $this->parent_rev != 0) {
         $this->conflict = true;
         $this->create_file = true;
         return;
     }
     //
     // 空间判断
     //
     $sizeDiff = $this->size - $fileDetail->file_size;
     $this->spaceFilter($sizeDiff);
     //
     // 修改文件
     //
     $this->action = MConst::MODIFY_FILE;
     //如果在共享目录内进行修改则进行修改权限判断
     if ($this->share_filter->is_shared) {
         $this->share_filter->hasPermissionExecute($fileDetail->file_path, MPrivilege::FILE_MODIFY);
     }
     //
     // 文件meta属性,版本信息
     //
     $version = MUtils::getFileVersions($this->user_device_name, $this->size, $this->version_id, $this->action, $this->user_id, $this->user_nick, $fileMeta[0]["meta_value"]);
     //
     // 需要更新的数据字段和值
     //
     $updates = array();
     $updates["version_id"] = (int) $this->version_id;
     $updates["file_size"] = $this->size;
     $updates["file_update_time"] = $this->file_update_time;
     $updates["event_uuid"] = MiniUtil::getEventRandomString(MConst::LEN_EVENT_UUID);
     //
     // 执行更新操作
     //
     if (MFiles::updateFileDetailById($fileDetail->id, $updates) === false) {
         throw new MFilesException(Yii::t('api', MConst::INTERNAL_SERVER_ERROR), MConst::HTTP_CODE_500);
     }
     //
     // 保存事件
     //
     $this->context = array("hash" => $this->file_hash, "rev" => (int) $this->version_id, "bytes" => (int) $this->size, "update_time" => (int) $this->file_update_time, "create_time" => (int) $this->file_create_time);
     $retVal = MiniEvent::getInstance()->createEvent($this->currentUserId, $this->user_device_id, $this->action, $fileDetail->file_path, serialize($this->context), $updates["event_uuid"], $this->share_filter->type);
     if ($retVal === false) {
         throw new MFilesException(Yii::t('api', MConst::INTERNAL_SERVER_ERROR), MConst::HTTP_CODE_500);
     }
     $this->share_filter->handlerAction($this->action, $this->user_device_id, $fileDetail->file_path, $this->context);
     //
     // 只有版本历史中不存在的时候才更新
     //
     if (MUtils::isExistReversion($this->version_id, $fileMeta[0]["meta_value"]) == false) {
         // 文件版本引用次数更新
         if (MiniVersion::getInstance()->updateRefCount($this->version_id) == false) {
             throw new MFilesException(Yii::t('api', MConst::INTERNAL_SERVER_ERROR), MConst::HTTP_CODE_500);
         }
     }
     // 保存版本历史
     if (MFileMetas::updateFileMeta($fileDetail->file_path, MConst::VERSION, $version) == false) {
         throw new MFilesException(Yii::t('api', MConst::INTERNAL_SERVER_ERROR), MConst::HTTP_CODE_500);
     }
 }