296 lines
12 KiB
PHP
296 lines
12 KiB
PHP
<?php
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/*
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* 保险箱设计: 仅文件上传下载及删除，不支持文件夹
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* 有些文件管理的代码迁移过来没删干净，这个忽略一下
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*/
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namespace app\controllers;
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use app\models\UploadForm;
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use app\models\User;
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use app\utils\FileSizeHelper;
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use app\utils\FileTypeDetector;
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use Yii;
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use yii\base\Exception;
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use yii\filters\AccessControl;
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use yii\filters\VerbFilter;
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use yii\web\Controller;
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use yii\web\NotFoundHttpException;
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use yii\web\Response;
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use yii\web\UploadedFile;
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class VaultController extends Controller
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{
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protected string $pattern = '/^[^\p{C}:*?"<>|\\\\]+$/u';
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public function behaviors(): array
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{
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return array_merge(
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parent::behaviors(),
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[
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'access' => [
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'class' => AccessControl::class,
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'rules' => [
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[
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'allow' => true,
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'actions' => ['index', 'download', 'delete', 'upload', 'init', 'auth'],
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'roles' => ['user'],
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],
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],
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],
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'verbs' => [
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'class' => VerbFilter::class,
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'actions' => [
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'index' => ['GET'],
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'download' => ['GET'],
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'delete' => ['POST'],
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'upload' => ['POST'],
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'init' => ['POST'],
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'auth' => ['POST'],
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],
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],
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]
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);
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}
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/**
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* @param null $directory
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* @return string|Response
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* @throws NotFoundHttpException
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*/
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public function actionIndex($directory = null): Response|string
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{
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$model = Yii::$app->user->identity;
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if (empty($model->vault_secret)) {
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return $this->render('_init', [
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'model' => $model,
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]);
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} elseif (Yii::$app->session->get('vault_auth') !== true) {
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return $this->render('_gateway', [
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'model' => new User(),
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]);
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}
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$rootDataDirectory = Yii::getAlias(Yii::$app->params['dataDirectory']) . '/' . Yii::$app->user->id . '.secret';
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if ($directory === '.' || $directory == null) {
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$directory = null;
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$parentDirectory = null;
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} elseif (str_contains($directory, '..')) {
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throw new NotFoundHttpException('Invalid directory.');
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} else {
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$parentDirectory = dirname($directory);
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}
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$directoryContents = $this->getDirectoryContents(join(DIRECTORY_SEPARATOR, [$rootDataDirectory, $directory ?: '.']));
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foreach ($directoryContents as $key => $item) {
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$relativePath = $directory ? $directory . '/' . $item : $item;
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$absolutePath = Yii::getAlias('@app') . '/data/' . Yii::$app->user->id . '.secret/' . $relativePath;
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$type = FileTypeDetector::detect($absolutePath);
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$lastModified = filemtime($absolutePath);
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$size = is_file($absolutePath) ? filesize($absolutePath) : null;
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$rawType = is_file($absolutePath) ? mime_content_type($absolutePath) : null;
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$directoryContents[$key] = ['name' => $item, 'type' => $type, 'lastModified' => $lastModified, 'size' => $size, 'rawType' => $rawType];
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}
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$usedSpace = FileSizeHelper::getUserHomeDirSize();
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$vaultUsedSpace = FileSizeHelper::getUserVaultDirSize(); // 保险箱已用空间，暂时为0
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$storageLimit = $model->storage_limit;
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return $this->render('index', [
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'directoryContents' => $directoryContents,
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'parentDirectory' => $parentDirectory,
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'directory' => $directory, // 将$directory传递给视图
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'usedSpace' => $usedSpace, // B
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'vaultUsedSpace' => $vaultUsedSpace, // B
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'storageLimit' => $storageLimit, // MB
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]);
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}
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/**
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* 获取指定路径下的文件和文件夹内容
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* @param string $path 路径
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* @return array 文件和文件夹内容数组
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* @throws NotFoundHttpException 如果路径不存在
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*/
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protected function getDirectoryContents(string $path): array
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{
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// 确定路径是否存在
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if (!is_dir($path)) {
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throw new NotFoundHttpException('Directory not found.');
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}
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// 获取路径下的所有文件和文件夹
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$directoryContents = scandir($path);
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// 移除 '.' 和 '..'
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$directoryContents = array_diff($directoryContents, ['.', '..']);
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// 使用 usort 对目录内容进行排序，使文件夹始终在文件之前
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usort($directoryContents, function ($a, $b) use ($path) {
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$aIsDir = is_dir($path . '/' . $a);
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$bIsDir = is_dir($path . '/' . $b);
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if ($aIsDir === $bIsDir) {
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return strnatcasecmp($a, $b); // 如果两者都是文件夹或都是文件，按名称排序
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}
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return $aIsDir ? -1 : 1; // 文件夹始终在文件之前
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});
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return $directoryContents;
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}
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/**
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* 下载指定路径下的文件
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*
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* @param string $relativePath 文件的相对路径
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* @throws NotFoundHttpException 如果文件不存在
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*/
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public function actionDownload(string $relativePath): void
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{
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// 对相对路径进行解码
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$relativePath = rawurldecode($relativePath);
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// 检查相对路径是否只包含允许的字符
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if (!preg_match($this->pattern, $relativePath) || str_contains($relativePath, '..')) {
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throw new NotFoundHttpException('Invalid file path.');
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}
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// 确定文件的绝对路径
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$absolutePath = Yii::getAlias(Yii::$app->params['dataDirectory']) . '/' . Yii::$app->user->id . '.secret/' . $relativePath;
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// 使用realpath函数解析路径，并检查解析后的路径是否在预期的目录中
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$realPath = realpath($absolutePath);
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$dataDirectory = str_replace('/', '\\', Yii::getAlias(Yii::$app->params['dataDirectory']));
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if (!$realPath || !str_starts_with($realPath, $dataDirectory)) {
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throw new NotFoundHttpException('File not found.');
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}
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// 检查文件是否存在
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if (!file_exists($realPath)) {
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throw new NotFoundHttpException('File not found.');
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}
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// 将文件发送给用户进行下载
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Yii::$app->response->sendFile($realPath)->send();
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}
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/**
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* 删除文件
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* @throws NotFoundHttpException 如果文件不存在
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*/
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public function actionDelete(): Response
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{
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$relativePaths = Yii::$app->request->post('relativePath');
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if (!is_array($relativePaths)) {
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$relativePaths = [$relativePaths];
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}
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foreach ($relativePaths as $relativePath) {
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$relativePath = rawurldecode($relativePath);
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if (!preg_match($this->pattern, $relativePath) || str_contains($relativePath, '..')) {
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throw new NotFoundHttpException('Invalid file path.');
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}
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$absolutePath = Yii::getAlias(Yii::$app->params['dataDirectory']) . '/' . Yii::$app->user->id . '.secret/' . $relativePath;
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if (!file_exists($absolutePath)) {
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throw new NotFoundHttpException('File or directory not found.');
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} else {
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$realPath = realpath($absolutePath);
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$expectedPathPrefix = realpath(Yii::getAlias(Yii::$app->params['dataDirectory']) . '/' . Yii::$app->user->id . '.secret');
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if (!str_starts_with($realPath, $expectedPathPrefix)) {
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throw new NotFoundHttpException('File or directory not found.');
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}
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}
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if (!unlink($absolutePath)) {
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Yii::$app->session->setFlash('error', 'Failed to delete file.');
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} else {
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Yii::$app->session->setFlash('success', 'File deleted successfully.');
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}
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}
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return $this->redirect(['index', 'directory' => dirname($relativePaths[0])]);
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}
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/**
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* 文件上传
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* 注意,已存在的同名文件会被覆盖
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*
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* @return int|Response
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*/
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public function actionUpload(): Response|int
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{
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$model = new UploadForm();
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$model->targetDir = Yii::$app->request->post('targetDir', '.');
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$uploadedFiles = UploadedFile::getInstancesByName('files');
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$successCount = 0;
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$totalCount = count($uploadedFiles);
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$sp = Yii::$app->request->post('sp', null);
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foreach ($uploadedFiles as $uploadedFile) {
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$model->uploadFile = $uploadedFile;
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if (!preg_match($this->pattern, $model->uploadFile->fullPath) || str_contains($model->uploadFile->fullPath, '..')) {
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continue;
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}
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if (!FileSizeHelper::hasEnoughSpace($model->uploadFile->size)) {
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continue;
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}
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if ($model->upload(1)) {
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$successCount++;
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}
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}
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if ($sp === 'editSaving') {
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if ($successCount === $totalCount) {
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Yii::$app->response->statusCode = 200;
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return $this->asJson(['status' => 200, 'message' => '文件上传成功']);
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} else {
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Yii::$app->response->statusCode = 500;
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return $this->asJson(['status' => 500, 'message' => '文件上传失败']);
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}
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} else {
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if ($successCount === $totalCount) {
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Yii::$app->session->setFlash('success', '文件上传成功');
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} elseif ($successCount > 0) {
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Yii::$app->session->setFlash('warning', '部分文件上传失败，这可能是用户剩余空间不足导致');
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} else {
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Yii::$app->session->setFlash('error', '文件上传失败，这可能是用户剩余空间不足导致');
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}
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//返回状态码200
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return Yii::$app->response->statusCode = 200;
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}
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}
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/**
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* 初始化文件保险箱密码
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* @return Response
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* @throws Exception
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*/
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public function actionInit(): Response
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{
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$model = Yii::$app->user->identity; // 获取当前用户模型
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if ($model->load(Yii::$app->request->post()) && $model->validate() && !empty($model->input_vault_secret)) {
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$model->vault_secret = Yii::$app->getSecurity()->generatePasswordHash($model->input_vault_secret);
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if ($model->save(false)) { // 保存用户模型
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Yii::$app->session->setFlash('success', '保险箱初始化成功，请牢记密码，否则无法恢复保险箱内文件');
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} else {
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Yii::$app->session->setFlash('error', '保险箱初始化失败');
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}
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} else {
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Yii::$app->session->setFlash('error', '设定的密码未通过验证');
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}
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return $this->redirect('index.php?r=vault%2Findex'); // render里面好像只能这么写了
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}
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/**
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* @return Response
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*/
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public function actionAuth(): Response
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{
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$user = Yii::$app->user->identity;
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$model = new User();
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if ($model->load(Yii::$app->request->post()) && !empty($model->vault_secret)) {
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if (Yii::$app->getSecurity()->validatePassword($model->vault_secret, $user->vault_secret)) {
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Yii::$app->session->set('vault_auth', true);
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Yii::$app->session->setFlash('success', '文件保险箱密码验证成功');
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return $this->redirect('index.php?r=vault%2Findex');
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}
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Yii::$app->session->setFlash('error', '保险箱密码错误');
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} else {
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Yii::$app->session->setFlash('error', '密码未通过验证');
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}
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return $this->redirect('index.php?r=vault%2Findex');
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}
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} |