ru.org.linux.user.AddPhotoController.java Source code

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Here is the source code for ru.org.linux.user.AddPhotoController.java

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/*
 * Copyright 1998-2012 Linux.org.ru
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */

package ru.org.linux.user;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.view.RedirectView;
import org.springframework.web.util.UriComponentsBuilder;
import org.springframework.web.util.UriTemplate;
import ru.org.linux.auth.AuthUtil;
import ru.org.linux.site.ScriptErrorException;
import ru.org.linux.spring.Configuration;
import ru.org.linux.util.BadImageException;
import ru.org.linux.util.ImageInfo;

import javax.servlet.ServletRequest;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.IOException;
import java.util.Random;

@Controller
public class AddPhotoController {
    private static final Log logger = LogFactory.getLog(AddPhotoController.class);

    public static final UriTemplate PROFILE_NOCACHE_URI_TEMPLATE = new UriTemplate("/people/{nick}/profile");

    @Autowired
    private UserDao userDao;

    @Autowired
    private Configuration configuration;

    @RequestMapping(value = "/addphoto.jsp", method = RequestMethod.GET)
    @PreAuthorize("hasRole('ROLE_ANONYMOUS')")
    public ModelAndView showForm(ServletRequest request) throws Exception {
        return new ModelAndView("addphoto");
    }

    @RequestMapping(value = "/addphoto.jsp", method = RequestMethod.POST)
    @PreAuthorize("hasRole('ROLE_ANONYMOUS')")
    public ModelAndView addPhoto(@RequestParam("file") MultipartFile file, HttpServletRequest request,
            HttpServletResponse response) throws Exception {

        if (file == null || file.isEmpty()) {
            return new ModelAndView("addphoto", "error", "  ");
        }

        try {
            File uploadedFile = File.createTempFile("userpic", "",
                    new File(configuration.getPathPrefix() + "/linux-storage/tmp/"));

            file.transferTo(uploadedFile);

            UserService.checkUserpic(uploadedFile);
            String extension = ImageInfo.detectImageType(uploadedFile);

            Random random = new Random();

            String photoname;
            File photofile;

            do {
                photoname = Integer.toString(AuthUtil.getCurrentUser().getId()) + ':' + random.nextInt() + '.'
                        + extension;
                photofile = new File(configuration.getHTMLPathPrefix() + "/photos", photoname);
            } while (photofile.exists());

            if (!uploadedFile.renameTo(photofile)) {
                logger.warn("Can't move photo to " + photofile);
                throw new ScriptErrorException("Can't move photo: internal error");
            }

            userDao.setPhoto(AuthUtil.getCurrentUser(), photoname);

            logger.info("? ?  "
                    + AuthUtil.getCurrentUser().getNick());

            return new ModelAndView(new RedirectView(UriComponentsBuilder
                    .fromUri(PROFILE_NOCACHE_URI_TEMPLATE.expand(AuthUtil.getCurrentUser().getNick()))
                    .queryParam("nocache", Integer.toString(random.nextInt()) + "=").build().encode().toString()));
        } catch (IOException ex) {
            response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
            return new ModelAndView("addphoto", "error", ex.getMessage());
        } catch (BadImageException ex) {
            response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
            return new ModelAndView("addphoto", "error", ex.getMessage());
        } catch (UserErrorException ex) {
            response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
            return new ModelAndView("addphoto", "error", ex.getMessage());
        }
    }
}