org.ng200.openolympus.controller.task.TaskFilesystemManipulatingController.java Source code

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Here is the source code for org.ng200.openolympus.controller.task.TaskFilesystemManipulatingController.java

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/**
 * The MIT License
 * Copyright (c) 2014-2015 Nick Guletskii
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package org.ng200.openolympus.controller.task;

import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.StandardCopyOption;

import org.apache.commons.compress.archivers.ArchiveEntry;
import org.apache.commons.compress.archivers.ArchiveInputStream;
import org.apache.commons.compress.archivers.ArchiveStreamFactory;
import org.apache.commons.exec.ExecuteException;
import org.ng200.openolympus.FileAccess;
import org.ng200.openolympus.SecurityExpressionConstants;
import org.ng200.openolympus.dto.UploadableTask;
import org.ng200.openolympus.model.Task;
import org.ng200.openolympus.services.StorageService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.access.prepost.PreAuthorize;

public class TaskFilesystemManipulatingController {

    @Autowired
    private StorageService storageService;

    @PreAuthorize(SecurityExpressionConstants.IS_ADMIN)
    private void extractZipFile(final InputStream zipFile, final Path destination) throws Exception {
        try (ArchiveInputStream input = new ArchiveStreamFactory()
                .createArchiveInputStream(new BufferedInputStream(zipFile))) {
            ArchiveEntry entry;
            while ((entry = input.getNextEntry()) != null) {
                final Path dest = destination.resolve(entry.getName());
                if (entry.isDirectory()) {
                    FileAccess.createDirectories(dest);
                } else {
                    FileAccess.createDirectories(dest.getParent());
                    FileAccess.createFile(dest);
                    Files.copy(input, dest, StandardCopyOption.REPLACE_EXISTING);
                }
            }
        }
    }

    @PreAuthorize(SecurityExpressionConstants.IS_ADMIN)
    protected void uploadDescription(final Task task, InputStream inputStream)
            throws ExecuteException, IOException {
        this.storageService.writeTaskDescription(task, inputStream);
    }

    @PreAuthorize(SecurityExpressionConstants.IS_ADMIN)
    protected void uploadJudgeFile(final Task task, final UploadableTask taskDto) throws IOException, Exception {
        final Path judgeFile = this.storageService.getTaskJudgeFile(task);
        if (FileAccess.exists(judgeFile)) {
            FileAccess.deleteDirectoryByWalking(judgeFile);
        }
        FileAccess.createDirectories(judgeFile);

        this.extractZipFile(taskDto.getJudgeFile().getInputStream(), judgeFile);
    }
}