/**
* 通过signature获得文件内容到内存
* @param $signature
* @throws
* @return mix
*/
public function getFileContentBySignature($signature)
{
//下载文件的hook
$data = array();
$data["signature"] = $signature;
$data["file_name"] = "text.txt";
$data["mime_type"] = "text/html";
//对网页的处理分为2种逻辑，-1种是直接显示内容，1种是文件直接下载
$data["force_download"] = -1;
$retData = apply_filters("file_download_url", $data);
if ($retData !== $data && !empty($retData)) {
//通过迷你存储存储的文件，通过代理方式直接请求文件内容
$content = apply_filters("file_content", $signature);
} else {
$filePath = MiniUtil::getPathBySplitStr($signature);
$oldPath = $filePath . "/" . $signature;
//data源处理对象
$dataObj = Yii::app()->data;
if ($dataObj->exists($oldPath)) {
//兼容1.4老数据
$filePath = $oldPath;
} else {
if ($dataObj->exists($filePath) === false) {
throw new MFilesException(Yii::t('api', MConst::NOT_FOUND), MConst::HTTP_CODE_404);
}
}
$content = $dataObj->get_contents($filePath);
}
return $content;
}
/**
* 清理全部的缓存,包括多余的file_meta
* @param $limit
*/
public function cleanCache($limit)
{
//data源处理对象
$dataObj = Yii::app()->data;
// 回收站插件: -1保留值 0正常 1删除
$this->handleCleanFileMeta($limit);
// 清理ref_count等于0的文件
$versions = MiniVersion::getInstance()->getCleanFiles(100);
foreach ($versions as $version) {
$files = UserFile::model()->findAll('version_id=?', array($version['id']));
// 如果$file存在此version_id,不删除
if (!empty($files)) {
for ($i = 0; $i < count($files); $i++) {
MiniVersion::getInstance()->updateRefCount($version["id"]);
}
continue;
}
// 如果不存在的话，删除流文件，删除该条version记录
$signature = $version['file_signature'];
$signaturePath = MiniUtil::getPathBySplitStr($signature);
// 判断文件是否存在
if ($dataObj->exists($signaturePath) === false) {
MiniVersion::getInstance()->deleteById($version["id"]);
continue;
}
// 删除文件
$dataObj->delete($signaturePath);
//删除空的文件夹
$parts = CUtils::getFoldersBySplitStr($signature);
foreach ($parts as $part) {
$dataObj->delete($part);
}
// 删除version记录
MiniVersion::getInstance()->deleteById($version["id"]);
}
MiniUtil::deleteDir(BASE . 'temp');
}
/**
* 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);
}
}
}
/**
*
* 检查文件data和 meta是否存在
* @param string $hash 文件sha1
* @param string $fileName 文件名
* @return bool|void
*/
protected function handleCheckFileVersion($hash, $fileName)
{
$version = MiniVersion::getInstance()->getBySignature($hash);
if (!$this->isNewVersion) {
//data源处理对象
if ($version == null) {
return $this->handleAssign();
}
// 检查文件是否存在
$dataObj = Yii::app()->data;
$storePath = MiniUtil::getPathBySplitStr($hash);
if ($dataObj->exists($storePath) == false) {
return $this->handleAssign();
}
$this->version_id = $version['id'];
$this->size = $version['file_size'];
return true;
} else {
//返回断点文件信息
$data = array();
if (empty($version)) {
$miniStoreInfo = MiniUtil::getPluginMiniStoreData();
if (empty($miniStoreInfo)) {
//普通文件上传
$data['success'] = false;
$data['url'] = MiniHttp::getMiniHost() . "api.php";
$storePath = MiniUtil::getPathBySplitStr($hash);
$filePath = BASE . "upload_block/cache/" . $storePath;
if (file_exists($filePath)) {
$data['offset'] = filesize($filePath);
//如文件大小相同而且Hash值相同，说明流数据文件已经存在，直接生成元数据即可
$size = MiniHttp::getParam("size", "");
if ($data['offset'] == $size) {
//生成version记录，为使用老逻辑代码，这里处理得很羞涩
//理想的逻辑是在这里直接返回相关结果
$mimeType = MiniUtil::getMimeType($fileName);
$version = MiniVersion::getInstance()->create($hash, $size, $mimeType);
$this->version_id = $version['id'];
$this->size = $version['file_size'];
return true;
}
} else {
$data['offset'] = 0;
}
echo json_encode($data);
exit;
} else {
//迷你存储与第3方存储秒传接口
apply_filters("file_sec", array("route" => "module/miniStore/report", "sign" => MiniHttp::getParam("sign", ""), "access_token" => MiniHttp::getParam("access_token", ""), "signature" => $hash, "size" => MiniHttp::getParam("size", ""), "path" => MiniHttp::getParam("path", "")));
}
} else {
//上传文件到其它目录下，支持秒传
$this->version_id = $version['id'];
$this->size = $version['file_size'];
return true;
}
}
}
/**
*
* 大文件断点多线程上传入口，使用put/post方法,推荐使用put
*
* header:
* If-Match - request header，表示文件hash值
* ETag - response header,表示文件hash值
* X-Block-Length - 表示文件每个分片大小，第一次由客户端上传，若服务器端存在则与服务器端保持一致
* X-Description - response header 文件描述信息：00000000000010 1表示这部分内容已经收到，不用再传
* X-Content-Length - 文件总大小
*
*/
public function invoke()
{
//data源处理对象
$dataObj = Yii::app()->data;
parent::init();
// 获取header值
$if_match = @$_SERVER['HTTP_IF_MATCH'];
$clength = isset($_SERVER['CONTENT_LENGTH']) ? $_SERVER['CONTENT_LENGTH'] : 0;
$crange = @$_SERVER['HTTP_CONTENT_RANGE'];
$total_size = @$_SERVER['HTTP_X_CONTENT_LENGTH'];
$block_size = @$_SERVER['HTTP_X_BLOCK_LENGTH'];
//
// 检查空间
//
$user = MUserManager::getInstance()->getCurrentUser();
$space = $user["space"];
$used_space = $user["usedSpace"];
$used_space += $total_size;
if ($used_space > $space) {
throw new MFilesException(Yii::t('api', "User is over storage quota."), MConst::HTTP_CODE_507);
}
//
// 文件临时存储路径
//
$this->cache = DOCUMENT_CACHE . MiniUtil::getPathBySplitStr($if_match);
$des_path = DOCUMENT_CACHE . MiniUtil::getPathBySplitStr($if_match) . ".des";
$store_path = MiniUtil::getPathBySplitStr($if_match);
// 表示文件已经上传ok
if ($dataObj->exists($store_path)) {
$this->cache = $store_path;
return true;
}
$this->description = $this->hanleDescription($des_path, $this->cache, $total_size, $block_size, $if_match);
//
// 表示查询
//
if ($clength == 0 && preg_match("/^bytes \\*\\/([0-9]+)/i", $crange, $match)) {
if ($this->handleCheckCompleted() == true) {
// 上传完毕检查hash值
$this->handleCheck($this->cache, $if_match, $store_path, $des_path);
$this->cache = $store_path;
return true;
}
$this->handleAssigns();
}
//
// 获取文件上传的位置
//
if (!preg_match("/^bytes ([0-9]+)-([0-9]+)/i", $crange, $match)) {
throw new MFilesException(Yii::t('api', MConst::PARAMS_ERROR), MConst::HTTP_CODE_400);
}
$start = $match[1];
$end = $match[2];
$index = $start / $block_size;
//
// 若对应的文件已经上传则返回
//
if ($this->description['blocks'][$index] != '1') {
$this->handleWriteBytes($this->cache, $start, $clength);
$this->description['blocks'][$index] = "1";
file_put_contents($des_path, serialize($this->description));
}
//
// 如果没有全部上传完成，则要求客户端继续上传
//
if ($this->handleCheckCompleted() == false) {
$this->handleAssigns();
}
// 上传完毕检查hash值
$this->handleCheck($this->cache, $if_match, $store_path, $des_path);
$this->cache = $store_path;
}
/**
* 保存文件版本
* @param $tmpName
* @param $signature
* @param $size
* @param bool $move
* @throws MFilesException
*/
public function saveFile($tmpName, $signature, $size, $move = true)
{
//data源处理对象
$dataObj = Yii::app()->data;
//
// 文件内容保存路径
//
$storePath = MiniUtil::getPathBySplitStr($signature);
if ($dataObj->exists(dirname($storePath)) === false) {
MUtils::MkDirs(dirname($storePath));
}
$version = MiniVersion::getInstance()->getBySignature($signature);
if ($version != null) {
//
// 文件版本id
//
$this->version_id = $version["id"];
$this->file_hash = $version["file_signature"];
if ($dataObj->exists($storePath) == false) {
if ($dataObj->put($tmpName, $storePath, true) == false) {
throw new MFilesException(Yii::t('api', MConst::INTERNAL_SERVER_ERROR), MConst::HTTP_CODE_500);
}
}
if ($move === true) {
unlink($tmpName);
}
return;
}
// 移动临时文件到保存路径中
if ($move === true) {
if ($dataObj->put($tmpName, $storePath, true) == false) {
throw new MFilesException(Yii::t('api', MConst::INTERNAL_SERVER_ERROR), MConst::HTTP_CODE_500);
}
}
//
// 创建version
//
$version = MiniVersion::getInstance()->create($signature, $size, $this->type);
if ($version == null) {
throw new MFilesException(Yii::t('api', MConst::INTERNAL_SERVER_ERROR), MConst::HTTP_CODE_500);
}
//
// 文件版本id
//
$this->version_id = $version["id"];
$this->file_hash = $version["file_signature"];
}
