/**
* 创建本地文件夹
* @param string $dir 文件夹路径
* @param int $mode 权限
* @param bool $recursive
* @return mixed $value 返回最终需要执行完的结果
*/
public static function MkDirsLocal($dir, $mode = 0777, $recursive = true)
{
if (is_null($dir) || $dir == "") {
return false;
}
if (is_dir($dir) || $dir == "/") {
return true;
}
if (MUtils::MkDirsLocal(dirname($dir), $mode, $recursive)) {
return mkdir($dir, $mode);
}
return false;
}
/**
* 打包下载
* @param $paths
* @param $filePath
* @throws MFileopsException
*/
public function downloadToPackage($paths, $filePath)
{
$userId = $this->user['id'];
$parentPath = dirname($filePath);
$isSharedPath = false;
//主要用于判断是否为被共享文件
if (dirname(MiniUtil::getRelativePath($filePath)) == "/" . $userId) {
$permission = MConst::SUPREME_PERMISSION;
} else {
$pathArr = explode('/', $filePath);
$masterId = $pathArr[1];
if ($masterId != $userId) {
$isSharedPath = true;
} else {
$model = new GeneralFolderPermissionBiz($parentPath);
if ($model->isParentShared($parentPath)) {
//如果是父目录被共享
$isSharedPath = true;
}
}
if ($isSharedPath) {
$permissionArr = UserPermissionBiz::getInstance()->getPermission($parentPath, $userId);
if (!isset($permissionArr)) {
$permission = MConst::SUPREME_PERMISSION;
} else {
$permission = $permissionArr['permission'];
$privilegeModel = new PrivilegeBiz();
$this->share_filter->slaves = $privilegeModel->getSlaveIdsByPath($permissionArr['share_root_path']);
$this->share_filter->is_shared = true;
}
} else {
$permission = MConst::SUPREME_PERMISSION;
}
}
$miniPermission = new MiniPermission($permission);
$canDownload = $miniPermission->canDownload();
if (!$canDownload) {
throw new MFileopsException(Yii::t('api', 'no permission'), MConst::HTTP_CODE_409);
}
$arr = explode('/', $filePath);
$isRoot = false;
$isMine = false;
if (count($arr) == 3) {
$isRoot = true;
}
$fileOwnerId = $arr[1];
$currentUser = $this->user;
$currentUserId = $currentUser['user_id'];
if ($fileOwnerId == $currentUserId) {
$isMine = true;
}
if ($isRoot && !$isMine) {
//如果是在根目录下且不是自己的目录 则后台控制不准取消共享
throw new MFileopsException(Yii::t('api', 'Internal Server Error'), MConst::HTTP_CODE_409);
}
//打包下载限制
header("Content-type: text/html; charset=utf-8");
$limit = new DownloadPackageLimit();
$limitCount = $limit->getLimitCount();
$limitSize = $limit->getLimitSize();
$code = '';
$fileNames = array();
$user = $this->user;
$userId = $user['user_id'];
$paths = explode(',', $paths);
foreach ($paths as $path) {
$file = MiniFile::getInstance()->getByPath($path);
if (empty($file)) {
echo "批量下载的文件存在不存在的文件";
exit;
}
$code = $code . ',' . $file['id'];
array_push($fileNames, $file['file_name']);
}
if (count($fileNames) > 1) {
$packageName = 'miniyun';
} else {
$packageName = $fileNames[0];
}
//创建临时文件夹
$fileSystem = new CFileSystem();
MUtils::MkDirsLocal(DOCUMENT_TEMP . $userId);
$storePath = DOCUMENT_TEMP . $userId . "/" . $packageName;
$array = array();
$ids = explode(",", $code);
foreach ($ids as $id) {
$file = MiniFile::getInstance()->getById($id);
if (empty($file)) {
continue;
}
if ($file["file_type"] == MConst::OBJECT_TYPE_FILE) {
//属于自己的文件
$array[] = $file;
} else {
//不属于自己的文件
//查询共有多少个子目录
$array[] = $file;
$files = MiniFile::getInstance()->getChildrenByPath($file["file_path"]);
$array = array_merge($array, $files);
}
}
if (count($array) > $limitCount) {
echo "批量下载单次最大文件数不能超过:" . $limitCount;
exit;
}
$size = $this->calculateSize($array);
if ($size > $limitSize * 1024 * 1024) {
echo "批量下载单次最大文件大小不能超过:" . $limitSize . "M";
exit;
}
$path = CUtils::removeUserFromPath($array[0]["file_path"]);
$removeParent = pathinfo($path, PATHINFO_DIRNAME);
if (strlen($removeParent) == 1) {
$removeParent = "";
}
//zip压缩
$zip = new ZipArchive();
$zipFile = $storePath . ".zip";
//删除上次存在的压缩文件
$fileSystem->delete($zipFile);
try {
$zipFile = mb_convert_encoding($zipFile, "gb2312", "UTF-8");
} catch (Exception $e) {
$zipFile = $zipFile;
}
if ($zip->open($zipFile, ZIPARCHIVE::OVERWRITE) === TRUE) {
//执行拷贝操作
foreach ($array as $file) {
$fileType = $file["file_type"];
$filePath = $file["file_path"];
//获取存储文件的绝对路径
if (!empty($removeParent)) {
$relativePath = CUtils::str_replace_once($removeParent, "", CUtils::removeUserFromPath($filePath));
} else {
$relativePath = CUtils::removeUserFromPath($filePath);
}
//打包加上nick
$relativePath = $packageName . $relativePath;
//转换文件编码为中文编码
try {
$store = mb_convert_encoding($relativePath, "gb2312", "UTF-8");
} catch (Exception $e) {
$store = $relativePath;
}
$hasRead = true;
if ($userId == $file["user_id"] && $fileType == MConst::OBJECT_TYPE_FILE) {
//属于自己的文件
$this->addToFile($zip, $file, $store, $fileSystem);
} elseif ($userId != $file["user_id"] && $fileType == MConst::OBJECT_TYPE_FILE) {
//不属于自己的文件
if ($hasRead) {
$this->addToFile($zip, $file, $store, $fileSystem);
}
} elseif ($userId == $file["user_id"] && $fileType == MConst::OBJECT_TYPE_DIRECTORY) {
//属于自己的文件夹
$this->addToFolder($zip, $store);
} else {
//不属于自己的文件夹
if ($hasRead) {
$this->addToFolder($zip, $store);
}
}
}
$zip->close();
//关闭
}
if (!file_exists($zipFile)) {
echo Yii::t('i18n', 'no_privilege');
Yii::app()->end();
}
//进行下载
CUtils::output($zipFile, "application/octet-stream", $packageName . ".zip");
}
/**
* 在线浏览文件获得内容
* @param string $path 文件当前路径
* @param string $type 文件类型，可选择pdf/png
* @throws
* @return NULL
*/
public function previewContent($path, $type)
{
$file = MiniFile::getInstance()->getByPath($path);
// 权限处理
if (empty($file)) {
return array('success' => false, 'msg' => 'file not existed');
}
$fileBiz = new FileBiz();
$canRead = $fileBiz->privilege($path);
if (!$canRead) {
throw new MFileopsException(Yii::t('api', 'no permission'), MConst::HTTP_CODE_409);
}
//获得文件当前版本对应的version
$version = PluginMiniDocVersion::getInstance()->getVersion($file["version_id"]);
$signature = $version["file_signature"];
$localPath = PluginMiniDocOption::getInstance()->getMiniDocCachePath() . $signature . "/" . $signature . "." . $type;
if (!file_exists($localPath)) {
//文档还在转换中
$node = PluginMiniDocNode::getInstance()->getConvertNode($signature);
if (empty($node)) {
throw new MFileopsException(Yii::t('api', 'convert error'), MConst::HTTP_CODE_412);
}
//根据情况判断是否需要向迷你文档拉取内容
$parentPath = dirname($localPath);
//如果缓存目录不存在，则需要创建
if (!file_exists($parentPath)) {
MUtils::MkDirsLocal($parentPath);
}
//文件不存在，则需要从迷你文档拉取文件内容
$url = PluginMiniDocNode::getInstance()->getDownloadUrl($node["id"], $version, $type);
$http = new HttpClient();
$http->get($url);
$status = $http->get_status();
if ($status == "200") {
$content = $http->get_body();
//把文件内容存储到本地硬盘
file_put_contents($localPath, $content);
Yii::log($signature . " get " . $type . " success", CLogger::LEVEL_INFO, "doc.convert");
} else {
if (!($version["doc_convert_status"] == -1)) {
//如迷你文档服务器不存在该文档，说明迷你文档服务器发生了变动
//这个时候自动启动负载均衡机制，把文档重新转换
PluginMiniDocVersion::getInstance()->pushConvertSignature($signature, "");
Yii::log($signature . " get " . $type . " error", CLogger::LEVEL_ERROR, "doc.convert");
}
}
}
if (file_exists($localPath)) {
if ($type === "png") {
$contentType = "image/png";
}
if ($type === "pdf") {
$contentType = "Content-type: application/pdf";
}
//Firefox+混合云模式下直接输出内容
//其它浏览器使用sendfile模式输出内容
$isSendFile = true;
if (MiniUtil::isMixCloudVersion()) {
$ua = isset($_SERVER["HTTP_USER_AGENT"]) ? $_SERVER["HTTP_USER_AGENT"] : NULL;
if (strpos($ua, "Firefox") > 0 || strpos($ua, "Safari") > 0) {
$isSendFile = false;
}
}
if ($isSendFile) {
header('Location: ' . MiniHttp::getMiniHost() . "assets/minidoc/" . $signature . "/" . $signature . "." . $type);
} else {
Header("Content-type: " . $contentType);
echo file_get_contents($localPath);
exit;
}
}
}
/**
* 创建对象
*/
public function create()
{
// 查询文件信息
$path = MiniUtil::getAbsolutePath($this->user_id, $this->path);
$file = MiniFile::getInstance()->getByPath($path);
if (empty($file)) {
throw new MException(Yii::t('api', MConst::PATH_ERROR), MConst::HTTP_CODE_404);
}
$fileName = $file["file_name"];
$fileSize = $file["file_size"];
$versionId = $file["version_id"];
// 检查是否支持缩略图
$this->checkExistThumbnail($fileName, $fileSize);
// 获取文件版本
$version = MFileVersions::queryFileVersionByID($versionId);
if (count($version) == 0) {
throw new MException(Yii::t('api', MConst::PATH_ERROR), MConst::HTTP_CODE_404);
}
// 获取文件存储路径
$isTmp = false;
$signature = $_REQUEST["signature"];
if (empty($signature) || $signature === "undefined") {
$signature = $version[0]["file_signature"];
}
// 缩略图大小
$sizeInfo = self::$sizes[$this->size];
if ($sizeInfo === NULL) {
$sizeStr = strtolower($this->size);
$sizeList = explode("x", $sizeStr);
$sizeInfo = array("w" => $sizeList[0], "h" => $sizeList[1]);
}
$this->width = $sizeInfo["w"];
$this->height = $sizeInfo["h"];
// 检查缩略图是否存在
$thumbnail = THUMBNAIL_TEMP . MiniUtil::getPathBySplitStr($signature);
$thumbnail .= "_{$this->width}_{$this->height}.{$this->format}";
if (file_exists($thumbnail) == true) {
//直接跳转，避免重复生成缩略图
$url = MiniHttp::getMiniHost() . "assets/thumbnails/" . MiniUtil::getPathBySplitStr($signature);
$url .= "_{$this->width}_{$this->height}.{$this->format}";
header('Location: ' . $url);
exit;
}
//判断文件是否在迷你存储中，兼容非迷你存储的文件
$version = MiniVersion::getInstance()->getBySignature($signature);
$meta = MiniVersionMeta::getInstance()->getMeta($version["id"], "store_id");
$thumbnailData = array();
if (!empty($meta)) {
//为迷你存储缩略图添加hook
$thumbnailData["signature"] = $signature;
$storePath = apply_filters("image_path", $thumbnailData);
}
if (empty($storePath) || $storePath === $thumbnailData) {
//data源处理对象
$dataObj = Yii::app()->data;
$signaturePath = MiniUtil::getPathBySplitStr($signature);
if ($dataObj->isExistLocal()) {
$storePath = $dataObj->documentStorePath($signaturePath) . $signaturePath;
}
}
if (file_exists($storePath) == false) {
throw new MException(Yii::t('api', "The file path was not found."), MConst::HTTP_CODE_404);
}
$pathInfo = MUtils::pathinfo_utf($fileName);
$extension = $pathInfo["extension"];
$tmpPath = DOCUMENT_TEMP . $signature . ".{$extension}";
// 缩略图对象
$this->handler = NULL;
$this->image = $tmpPath;
$this->resize = true;
// 创建缩略图片父目录
if (file_exists(dirname($thumbnail)) == false) {
if (MUtils::MkDirsLocal(dirname($thumbnail)) == false) {
throw new MException(Yii::t('api', "The file path was not found."), MConst::HTTP_CODE_404);
}
}
// 临时文件父目录
if (file_exists(dirname($tmpPath)) == false) {
if (MUtils::MkDirsLocal(dirname($tmpPath)) == false) {
throw new MException(Yii::t('api', "The file path was not found."), MConst::HTTP_CODE_404);
}
}
// 拷贝文件到临时目录
if (file_exists($tmpPath) == false) {
if (copy($storePath, $tmpPath) == false) {
throw new MException(Yii::t('api', "The file path was not found."), MConst::HTTP_CODE_404);
}
}
// 如果图片格式与后缀不一致，转换为一致的
if ($this->format != strtolower($extension)) {
$fm = new Image($tmpPath);
$format_path = DOCUMENT_TEMP . $signature . ".{$this->format}";
$fm->save($format_path);
// 转换成功删除临时文件
unlink($tmpPath);
$this->image = $format_path;
}
if ($isTmp) {
unlink($storePath);
}
// 初始化图像对象
try {
$this->handler = new Image($this->image, isset($this->config) ? $this->config : NULL);
} catch (MException $e) {
Yii::log("Exception : {$e->getTraceAsString()}");
throw new MException(Yii::t('api', "The image is invalid and cannot be thumbnailed."), MConst::HTTP_CODE_415);
}
// 生成缩略图
if ($this->resize == true) {
$this->handler->resize($this->width, $this->height)->rotate(0)->quality(75)->sharpen(20);
$chmod = 0644;
$keep_actions = true;
try {
$this->handler->save($thumbnail, $chmod, $keep_actions);
$this->handler->setImageFile($thumbnail);
$this->image = $thumbnail;
@unlink($format_path);
} catch (MException $e) {
Yii::trace("Exception : {$e}", "miniyun.api");
throw new MException(Yii::t('api', "The image is invalid and cannot be thumbnailed."), MConst::HTTP_CODE_415);
}
}
}
private function hanleDescription($des_path, $cache, $total_size, $block_size, $hash)
{
//
// 如果描述文件或者临时文件不存在则创建
//
$blocks = "";
$count = $this->handleGetBlockCount($total_size, $block_size);
if (!file_exists($des_path)) {
if (!MUtils::MkDirsLocal(dirname($des_path))) {
throw new MFilesException(Yii::t('api', MConst::INTERNAL_SERVER_ERROR), MConst::HTTP_CODE_500);
}
$description = array();
for ($i = 0; $i < $count; $i++) {
$blocks .= "0";
}
$description['hash'] = $hash;
$description['total_size'] = $total_size;
$description['block_size'] = $block_size;
$description['blocks'] = $blocks;
file_put_contents($des_path, serialize($description));
} else {
$str = file_get_contents($des_path);
$description = unserialize($str);
}
// 临时文件
if (!file_exists($cache) || filesize($cache) != $total_size) {
$fp = fopen($cache, "wb");
fseek($fp, $total_size - 1);
fwrite($fp, "");
fclose($fp);
$blocks = "";
for ($i = 0; $i < $count; $i++) {
$blocks .= "0";
}
$description['blocks'] = $blocks;
}
//
// 如果总大小不一致，则返回错误
//
if ($total_size != $description['total_size']) {
throw new MFilesException(Yii::t('api', MConst::PARAMS_ERROR), MConst::HTTP_CODE_400);
}
return $description;
}
