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/*
This file is part of Subsonic.
Subsonic is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Subsonic is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Subsonic. If not, see <http://www.gnu.org/licenses/>.
Copyright 2009 (C) Sindre Mehus
*/
package net.sourceforge.subsonic.controller;
import net.sourceforge.subsonic.Logger;
import net.sourceforge.subsonic.domain.Avatar;
import net.sourceforge.subsonic.service.SecurityService;
import net.sourceforge.subsonic.service.SettingsService;
import net.sourceforge.subsonic.util.StringUtil;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileItemFactory;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import org.apache.commons.io.FilenameUtils;
import org.apache.commons.lang.StringUtils;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.ParameterizableViewController;
import javax.imageio.ImageIO;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* Controller which receives uploaded avatar images.
*
* @author Sindre Mehus
*/
public class AvatarUploadController extends ParameterizableViewController {
private static final Logger LOG = Logger.getLogger(AvatarUploadController.class);
private static final int MAX_AVATAR_SIZE = 64;
private SettingsService settingsService;
private SecurityService securityService;
@Override
protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response) throws Exception {
String username = securityService.getCurrentUsername(request);
// Check that we have a file upload request.
if (!ServletFileUpload.isMultipartContent(request)) {
throw new Exception("Illegal request.");
}
Map<String, Object> map = new HashMap<String, Object>();
FileItemFactory factory = new DiskFileItemFactory();
ServletFileUpload upload = new ServletFileUpload(factory);
List<?> items = upload.parseRequest(request);
// Look for file items.
for (Object o : items) {
FileItem item = (FileItem) o;
if (!item.isFormField()) {
String fileName = item.getName();
byte[] data = item.get();
if (StringUtils.isNotBlank(fileName) && data.length > 0) {
createAvatar(fileName, data, username, map);
} else {
map.put("error", new Exception("Missing file."));
LOG.warn("Failed to upload personal image. No file specified.");
}
break;
}
}
map.put("username", username);
map.put("avatar", settingsService.getCustomAvatar(username));
ModelAndView result = super.handleRequestInternal(request, response);
result.addObject("model", map);
return result;
}
private void createAvatar(String fileName, byte[] data, String username, Map<String, Object> map) throws IOException {
BufferedImage image;
try {
image = ImageIO.read(new ByteArrayInputStream(data));
if (image == null) {
throw new Exception("Failed to decode incoming image: " + fileName + " (" + data.length + " bytes).");
}
int width = image.getWidth();
int height = image.getHeight();
String mimeType = StringUtil.getMimeType(FilenameUtils.getExtension(fileName));
// Scale down image if necessary.
if (width > MAX_AVATAR_SIZE || height > MAX_AVATAR_SIZE) {
double scaleFactor = (double) MAX_AVATAR_SIZE / (double) Math.max(width, height);
height = (int) (height * scaleFactor);
width = (int) (width * scaleFactor);
image = CoverArtController.scale(image, width, height);
ByteArrayOutputStream out = new ByteArrayOutputStream();
ImageIO.write(image, "jpeg", out);
data = out.toByteArray();
mimeType = StringUtil.getMimeType("jpeg");
map.put("resized", true);
}
Avatar avatar = new Avatar(0, fileName, new Date(), mimeType, width, height, data);
settingsService.setCustomAvatar(avatar, username);
LOG.info("Created avatar '" + fileName + "' (" + data.length + " bytes) for user " + username);
} catch (Exception x) {
LOG.warn("Failed to upload personal image: " + x, x);
map.put("error", x);
}
}
public void setSettingsService(SettingsService settingsService) {
this.settingsService = settingsService;
}
public void setSecurityService(SecurityService securityService) {
this.securityService = securityService;
}
}
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