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WebServerServlet.java
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WebServerServlet.java
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/**
* Copyright (c) 2000-2012 Liferay, Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library 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 Lesser General Public License for more
* details.
*/
package com.liferay.portal.webserver;
import com.liferay.portal.NoSuchGroupException;
import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.exception.SystemException;
import com.liferay.portal.kernel.image.ImageBag;
import com.liferay.portal.kernel.image.ImageToolUtil;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.repository.RepositoryException;
import com.liferay.portal.kernel.repository.model.FileEntry;
import com.liferay.portal.kernel.repository.model.FileVersion;
import com.liferay.portal.kernel.repository.model.Folder;
import com.liferay.portal.kernel.servlet.HttpHeaders;
import com.liferay.portal.kernel.servlet.PortalSessionThreadLocal;
import com.liferay.portal.kernel.servlet.Range;
import com.liferay.portal.kernel.servlet.ServletResponseUtil;
import com.liferay.portal.kernel.template.Template;
import com.liferay.portal.kernel.template.TemplateContextType;
import com.liferay.portal.kernel.template.TemplateManager;
import com.liferay.portal.kernel.template.TemplateManagerUtil;
import com.liferay.portal.kernel.util.CharPool;
import com.liferay.portal.kernel.util.ContentTypes;
import com.liferay.portal.kernel.util.FastDateFormatFactoryUtil;
import com.liferay.portal.kernel.util.FileUtil;
import com.liferay.portal.kernel.util.GetterUtil;
import com.liferay.portal.kernel.util.HttpUtil;
import com.liferay.portal.kernel.util.MimeTypesUtil;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.ReleaseInfo;
import com.liferay.portal.kernel.util.SetUtil;
import com.liferay.portal.kernel.util.StringPool;
import com.liferay.portal.kernel.util.StringUtil;
import com.liferay.portal.kernel.util.Validator;
import com.liferay.portal.kernel.util.Validator_IW;
import com.liferay.portal.kernel.webdav.WebDAVUtil;
import com.liferay.portal.model.Company;
import com.liferay.portal.model.Group;
import com.liferay.portal.model.Image;
import com.liferay.portal.model.ImageConstants;
import com.liferay.portal.model.User;
import com.liferay.portal.model.impl.ImageImpl;
import com.liferay.portal.repository.liferayrepository.model.LiferayFileEntry;
import com.liferay.portal.repository.liferayrepository.model.LiferayFileVersion;
import com.liferay.portal.security.auth.PrincipalException;
import com.liferay.portal.security.auth.PrincipalThreadLocal;
import com.liferay.portal.security.permission.PermissionChecker;
import com.liferay.portal.security.permission.PermissionCheckerFactoryUtil;
import com.liferay.portal.security.permission.PermissionThreadLocal;
import com.liferay.portal.service.CompanyLocalServiceUtil;
import com.liferay.portal.service.GroupLocalServiceUtil;
import com.liferay.portal.service.ImageLocalServiceUtil;
import com.liferay.portal.service.ImageServiceUtil;
import com.liferay.portal.service.UserLocalServiceUtil;
import com.liferay.portal.theme.ThemeDisplay;
import com.liferay.portal.util.Portal;
import com.liferay.portal.util.PortalUtil;
import com.liferay.portal.util.PropsValues;
import com.liferay.portal.util.WebKeys;
import com.liferay.portlet.documentlibrary.NoSuchFileEntryException;
import com.liferay.portlet.documentlibrary.NoSuchFolderException;
import com.liferay.portlet.documentlibrary.model.DLFileEntry;
import com.liferay.portlet.documentlibrary.model.DLFileEntryMetadata;
import com.liferay.portlet.documentlibrary.model.DLFileShortcut;
import com.liferay.portlet.documentlibrary.model.DLFolderConstants;
import com.liferay.portlet.documentlibrary.service.DLAppLocalServiceUtil;
import com.liferay.portlet.documentlibrary.service.DLAppServiceUtil;
import com.liferay.portlet.documentlibrary.service.DLFileEntryMetadataLocalServiceUtil;
import com.liferay.portlet.documentlibrary.service.DLFileEntryServiceUtil;
import com.liferay.portlet.documentlibrary.util.AudioProcessorUtil;
import com.liferay.portlet.documentlibrary.util.DLUtil;
import com.liferay.portlet.documentlibrary.util.DocumentConversionUtil;
import com.liferay.portlet.documentlibrary.util.ImageProcessorUtil;
import com.liferay.portlet.documentlibrary.util.PDFProcessor;
import com.liferay.portlet.documentlibrary.util.PDFProcessorUtil;
import com.liferay.portlet.documentlibrary.util.VideoProcessor;
import com.liferay.portlet.documentlibrary.util.VideoProcessorUtil;
import com.liferay.portlet.dynamicdatalists.model.DDLRecord;
import com.liferay.portlet.dynamicdatalists.service.DDLRecordLocalServiceUtil;
import com.liferay.portlet.dynamicdatamapping.storage.Field;
import com.liferay.portlet.dynamicdatamapping.storage.Fields;
import com.liferay.portlet.dynamicdatamapping.storage.StorageEngineUtil;
import com.liferay.portlet.dynamicdatamapping.util.DDMUtil;
import java.awt.image.RenderedImage;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.text.Format;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Set;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
/**
* @author Alexander Chow
* @author Brian Wing Shun Chan
*/
public class WebServerServlet extends HttpServlet {
/**
* @see com.liferay.portal.servlet.filters.virtualhost.VirtualHostFilter
*/
public static boolean hasFiles(HttpServletRequest request) {
try {
// Do not use permission checking since this may be called from
// other contexts that are also managing the principal
User user = _getUser(request);
String path = HttpUtil.fixPath(request.getPathInfo());
String[] pathArray = StringUtil.split(path, CharPool.SLASH);
if (pathArray.length == 0) {
return true;
}
else if (_PATH_DDM.equals(pathArray[0])) {
_checkDDMRecord(pathArray);
}
else if (Validator.isNumber(pathArray[0])) {
_checkFileEntry(pathArray);
}
else {
long groupId = _getGroupId(user.getCompanyId(), pathArray[0]);
long folderId = DLFolderConstants.DEFAULT_PARENT_FOLDER_ID;
for (int i = 1; i < pathArray.length; i++) {
try {
Folder folder = DLAppLocalServiceUtil.getFolder(
groupId, folderId, pathArray[i]);
folderId = folder.getFolderId();
}
catch (NoSuchFolderException nsfe) {
if (i != (pathArray.length - 1)) {
return false;
}
pathArray = new String[] {
String.valueOf(groupId), String.valueOf(folderId),
pathArray[i]
};
_checkFileEntry(pathArray);
}
}
}
}
catch (Exception e) {
return false;
}
return true;
}
@Override
public void init(ServletConfig servletConfig) throws ServletException {
super.init(servletConfig);
_lastModified = GetterUtil.getBoolean(
servletConfig.getInitParameter("last_modified"), true);
}
@Override
public void service(
HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException {
User user = null;
try {
user = _getUser(request);
PrincipalThreadLocal.setName(user.getUserId());
PrincipalThreadLocal.setPassword(
PortalUtil.getUserPassword(request));
PermissionChecker permissionChecker =
PermissionCheckerFactoryUtil.create(user);
PermissionThreadLocal.setPermissionChecker(permissionChecker);
if (_lastModified) {
long lastModified = getLastModified(request);
if (lastModified > 0) {
long ifModifiedSince = request.getDateHeader(
HttpHeaders.IF_MODIFIED_SINCE);
if ((ifModifiedSince > 0) &&
(ifModifiedSince == lastModified)) {
response.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
return;
}
}
if (lastModified > 0) {
response.setDateHeader(
HttpHeaders.LAST_MODIFIED, lastModified);
}
}
String path = HttpUtil.fixPath(request.getPathInfo());
String[] pathArray = StringUtil.split(path, CharPool.SLASH);
if (pathArray.length == 0) {
sendGroups(
response, user,
request.getServletPath() + StringPool.SLASH + path);
}
else {
if (_PATH_DDM.equals(pathArray[0])) {
sendDDMRecordFile(request, response, pathArray);
}
else if (Validator.isNumber(pathArray[0])) {
sendFile(request, response, user, pathArray);
}
else {
if (isLegacyImageGalleryImageId(request, response)) {
return;
}
Image image = getImage(request, true);
if (image != null) {
writeImage(image, request, response);
}
else {
sendDocumentLibrary(
request, response, user,
request.getServletPath() + StringPool.SLASH + path,
pathArray);
}
}
}
}
catch (NoSuchFileEntryException nsfee) {
PortalUtil.sendError(
HttpServletResponse.SC_NOT_FOUND, nsfee, request, response);
}
catch (PrincipalException pe) {
processPrincipalException(pe, user, request, response);
}
catch (Exception e) {
PortalUtil.sendError(e, request, response);
}
}
protected Image convertFileEntry(boolean smallImage, FileEntry fileEntry)
throws PortalException, SystemException {
try {
Image image = new ImageImpl();
image.setModifiedDate(fileEntry.getModifiedDate());
InputStream is = null;
if (smallImage) {
is = ImageProcessorUtil.getThumbnailAsStream(
fileEntry.getFileVersion(), 0);
}
else {
is = fileEntry.getContentStream();
}
byte[] bytes = FileUtil.getBytes(is);
image.setTextObj(bytes);
image.setType(fileEntry.getExtension());
return image;
}
catch (PortalException pe) {
throw pe;
}
catch (SystemException se) {
throw se;
}
catch (Exception e) {
throw new SystemException(e);
}
}
protected Image getDefaultImage(HttpServletRequest request, long imageId) {
String path = GetterUtil.getString(request.getPathInfo());
if (path.startsWith("/company_logo") ||
path.startsWith("/layout_set_logo") || path.startsWith("/logo")) {
return ImageLocalServiceUtil.getDefaultCompanyLogo();
}
else if (path.startsWith("/organization_logo")) {
return ImageLocalServiceUtil.getDefaultOrganizationLogo();
}
else if (path.startsWith("/user_female_portrait")) {
return ImageLocalServiceUtil.getDefaultUserFemalePortrait();
}
else if (path.startsWith("/user_male_portrait")) {
return ImageLocalServiceUtil.getDefaultUserMalePortrait();
}
else if (path.startsWith("/user_portrait")) {
return ImageLocalServiceUtil.getDefaultUserMalePortrait();
}
else {
return null;
}
}
protected FileEntry getFileEntry(String[] pathArray) throws Exception {
if (pathArray.length == 1) {
long dlFileShortcutId = GetterUtil.getLong(pathArray[0]);
DLFileShortcut dlFileShortcut = DLAppServiceUtil.getFileShortcut(
dlFileShortcutId);
return DLAppServiceUtil.getFileEntry(
dlFileShortcut.getToFileEntryId());
}
else if (pathArray.length == 2) {
long groupId = GetterUtil.getLong(pathArray[0]);
return DLAppServiceUtil.getFileEntryByUuidAndGroupId(
pathArray[1], groupId);
}
else if (pathArray.length == 3) {
long groupId = GetterUtil.getLong(pathArray[0]);
long folderId = GetterUtil.getLong(pathArray[1]);
String fileName = pathArray[2];
if (fileName.contains(StringPool.QUESTION)) {
fileName = fileName.substring(
0, fileName.indexOf(StringPool.QUESTION));
}
return DLAppServiceUtil.getFileEntry(groupId, folderId, fileName);
}
else {
long groupId = GetterUtil.getLong(pathArray[0]);
String uuid = pathArray[3];
return DLAppServiceUtil.getFileEntryByUuidAndGroupId(uuid, groupId);
}
}
protected Image getImage(HttpServletRequest request, boolean getDefault)
throws PortalException, SystemException {
Image image = null;
long imageId = getImageId(request);
if (imageId > 0) {
image = ImageServiceUtil.getImage(imageId);
String path = GetterUtil.getString(request.getPathInfo());
if (path.startsWith("/user_female_portrait") ||
path.startsWith("/user_male_portrait") ||
path.startsWith("/user_portrait")) {
image = getUserPortraitImageResized(image, imageId);
}
}
else {
String uuid = ParamUtil.getString(request, "uuid");
long groupId = ParamUtil.getLong(request, "groupId");
boolean igSmallImage = ParamUtil.getBoolean(
request, "igSmallImage");
if (Validator.isNotNull(uuid) && (groupId > 0)) {
try {
FileEntry fileEntry =
DLAppServiceUtil.getFileEntryByUuidAndGroupId(
uuid, groupId);
image = convertFileEntry(igSmallImage, fileEntry);
}
catch (Exception e) {
}
}
}
if (getDefault) {
if (image == null) {
if (_log.isWarnEnabled()) {
_log.warn("Get a default image for " + imageId);
}
image = getDefaultImage(request, imageId);
}
}
return image;
}
protected byte[] getImageBytes(HttpServletRequest request, Image image) {
try {
if (!PropsValues.IMAGE_AUTO_SCALE) {
return image.getTextObj();
}
ImageBag imageBag = null;
if (image.getImageId() == 0) {
imageBag = ImageToolUtil.read(image.getTextObj());
RenderedImage renderedImage = imageBag.getRenderedImage();
image.setHeight(renderedImage.getHeight());
image.setWidth(renderedImage.getWidth());
}
int height = ParamUtil.getInteger(
request, "height", image.getHeight());
int width = ParamUtil.getInteger(
request, "width", image.getWidth());
if ((height >= image.getHeight()) && (width >= image.getWidth())) {
return image.getTextObj();
}
if (image.getImageId() != 0) {
imageBag = ImageToolUtil.read(image.getTextObj());
}
RenderedImage renderedImage = ImageToolUtil.scale(
imageBag.getRenderedImage(), height, width);
return ImageToolUtil.getBytes(renderedImage, imageBag.getType());
}
catch (Exception e) {
if (_log.isWarnEnabled()) {
_log.warn("Error scaling image " + image.getImageId(), e);
}
}
return image.getTextObj();
}
protected long getImageId(HttpServletRequest request) {
// The image id may be passed in as image_id, img_id, or i_id
long imageId = ParamUtil.getLong(request, "image_id");
if (imageId <= 0) {
imageId = ParamUtil.getLong(request, "img_id");
}
if (imageId <= 0) {
imageId = ParamUtil.getLong(request, "i_id");
}
if (imageId <= 0) {
long companyId = ParamUtil.getLong(request, "companyId");
String screenName = ParamUtil.getString(request, "screenName");
try {
if ((companyId > 0) && Validator.isNotNull(screenName)) {
User user = UserLocalServiceUtil.getUserByScreenName(
companyId, screenName);
imageId = user.getPortraitId();
}
}
catch (Exception e) {
}
}
return imageId;
}
@Override
protected long getLastModified(HttpServletRequest request) {
try {
Date modifiedDate = null;
Image image = getImage(request, true);
if (image != null) {
modifiedDate = image.getModifiedDate();
}
else {
String path = HttpUtil.fixPath(request.getPathInfo());
String[] pathArray = StringUtil.split(path, CharPool.SLASH);
if (pathArray.length == 0) {
return -1;
}
if (pathArray[0].equals("language")) {
return -1;
}
FileEntry fileEntry = null;
try {
fileEntry = getFileEntry(pathArray);
}
catch (Exception e) {
}
if (fileEntry == null) {
return -1;
}
else {
String version = ParamUtil.getString(request, "version");
if (Validator.isNotNull(version)) {
FileVersion fileVersion = fileEntry.getFileVersion(
version);
modifiedDate = fileVersion.getModifiedDate();
}
else {
modifiedDate = fileEntry.getModifiedDate();
}
}
}
if (modifiedDate == null) {
modifiedDate = PortalUtil.getUptime();
}
// Round down and remove milliseconds
return (modifiedDate.getTime() / 1000) * 1000;
}
catch (PrincipalException pe) {
if (_log.isWarnEnabled()) {
_log.warn(pe, pe);
}
}
catch (Exception e) {
_log.error(e, e);
}
return -1;
}
protected Image getUserPortraitImageResized(Image image, long imageId)
throws PortalException, SystemException {
if (image == null) {
return null;
}
if ((image.getHeight() > PropsValues.USERS_IMAGE_MAX_HEIGHT) ||
(image.getWidth() > PropsValues.USERS_IMAGE_MAX_WIDTH)) {
User user = UserLocalServiceUtil.getUserByPortraitId(imageId);
UserLocalServiceUtil.updatePortrait(
user.getUserId(), image.getTextObj());
return ImageLocalServiceUtil.getImage(imageId);
}
return image;
}
protected boolean isLegacyImageGalleryImageId(
HttpServletRequest request, HttpServletResponse response) {
try {
long imageId = getImageId(request);
if (imageId == 0) {
return false;
}
DLFileEntry dlFileEntry =
DLFileEntryServiceUtil.fetchFileEntryByImageId(imageId);
if (dlFileEntry == null) {
return false;
}
ThemeDisplay themeDisplay = (ThemeDisplay)request.getAttribute(
WebKeys.THEME_DISPLAY);
String queryString = StringPool.BLANK;
if (imageId == dlFileEntry.getSmallImageId()) {
queryString = "&imageThumbnail=1";
}
else if (imageId == dlFileEntry.getSmallImageId()) {
queryString = "&imageThumbnail=2";
}
else if (imageId == dlFileEntry.getSmallImageId()) {
queryString = "&imageThumbnail=3";
}
String url = DLUtil.getPreviewURL(
new LiferayFileEntry(dlFileEntry),
new LiferayFileVersion(dlFileEntry.getFileVersion()),
themeDisplay, queryString);
response.setHeader(HttpHeaders.LOCATION, url);
response.setStatus(HttpServletResponse.SC_MOVED_PERMANENTLY);
return true;
}
catch (Exception e) {
}
return false;
}
protected boolean isSupportsRangeHeader(String contentType) {
return _acceptRangesMimeTypes.contains(contentType);
}
protected void processPrincipalException(
Throwable t, User user, HttpServletRequest request,
HttpServletResponse response)
throws IOException, ServletException {
if (!PropsValues.WEB_SERVER_SERVLET_HTTP_STATUS_CODE_STRICT) {
PortalUtil.sendError(
HttpServletResponse.SC_NOT_FOUND,
new NoSuchFileEntryException(t), request, response);
return;
}
if (!user.isDefaultUser()) {
PortalUtil.sendError(
HttpServletResponse.SC_UNAUTHORIZED, (Exception)t, request,
response);
return;
}
String redirect =
request.getContextPath() + Portal.PATH_MAIN + "/portal/login";
String currentURL = PortalUtil.getCurrentURL(request);
redirect = HttpUtil.addParameter(redirect, "redirect", currentURL);
response.sendRedirect(redirect);
}
protected void sendDDMRecordFile(
HttpServletRequest request, HttpServletResponse response,
String[] pathArray)
throws Exception {
if (pathArray.length == 4) {
String className = GetterUtil.getString(pathArray[1]);
long classPK = GetterUtil.getLong(pathArray[2]);
String fieldName = GetterUtil.getString(pathArray[3]);
Field field = null;
if (className.equals(DDLRecord.class.getName())) {
DDLRecord ddlRecord = DDLRecordLocalServiceUtil.getRecord(
classPK);
field = ddlRecord.getField(fieldName);
}
else if (className.equals(DLFileEntryMetadata.class.getName())) {
DLFileEntryMetadata fileEntryMetadata =
DLFileEntryMetadataLocalServiceUtil.getDLFileEntryMetadata(
classPK);
Fields fields = StorageEngineUtil.getFields(
fileEntryMetadata.getDDMStorageId());
field = fields.get(fieldName);
}
DDMUtil.sendFieldFile(request, response, field);
}
}
protected void sendDocumentLibrary(
HttpServletRequest request, HttpServletResponse response, User user,
String path, String[] pathArray)
throws Exception {
if (!PropsValues.WEB_SERVER_SERVLET_DIRECTORY_INDEXING_ENABLED) {
response.setStatus(HttpServletResponse.SC_FORBIDDEN);
return;
}
long groupId = _getGroupId(user.getCompanyId(), pathArray[0]);
long folderId = DLFolderConstants.DEFAULT_PARENT_FOLDER_ID;
for (int i = 1; i < pathArray.length; i++) {
String name = pathArray[i];
try {
Folder folder = DLAppServiceUtil.getFolder(
groupId, folderId, name);
folderId = folder.getFolderId();
}
catch (NoSuchFolderException nsfe) {
if (i != (pathArray.length - 1)) {
throw nsfe;
}
String title = name;
sendFile(response, user, groupId, folderId, title);
return;
}
}
try {
sendFile(response, user, groupId, folderId, "index.html");
return;
}
catch (Exception e) {
if ((e instanceof NoSuchFileEntryException) ||
(e instanceof PrincipalException)) {
try {
sendFile(response, user, groupId, folderId, "index.htm");
return;
}
catch (NoSuchFileEntryException nsfee) {
}
catch (PrincipalException pe) {
}
}
else {
throw e;
}
}
List<WebServerEntry> webServerEntries = new ArrayList<WebServerEntry>();
webServerEntries.add(new WebServerEntry(path, "../"));
List<Folder> folders = DLAppServiceUtil.getFolders(groupId, folderId);
for (Folder folder : folders) {
WebServerEntry webServerEntry = new WebServerEntry(
path, folder.getName() + StringPool.SLASH,
folder.getCreateDate(), folder.getModifiedDate(),
folder.getDescription(), 0);
webServerEntries.add(webServerEntry);
}
List<FileEntry> fileEntries = DLAppServiceUtil.getFileEntries(
groupId, folderId);
for (FileEntry fileEntry : fileEntries) {
WebServerEntry webServerEntry = new WebServerEntry(
path, fileEntry.getTitle(), fileEntry.getCreateDate(),
fileEntry.getModifiedDate(), fileEntry.getDescription(),
fileEntry.getSize());
webServerEntries.add(webServerEntry);
}
sendHTML(response, path, webServerEntries);
}
protected void sendFile(
HttpServletRequest request, HttpServletResponse response, User user,
String[] pathArray)
throws Exception {
// Retrieve file details
FileEntry fileEntry = null;
try {
fileEntry = getFileEntry(pathArray);
}
catch (NoSuchFileEntryException nsfee) {
if (user.isDefaultUser()) {
throw new PrincipalException();
}
throw new NoSuchFileEntryException();
}
String version = ParamUtil.getString(request, "version");
if (Validator.isNull(version)) {
if (Validator.isNotNull(fileEntry.getVersion())) {
version = fileEntry.getVersion();
}
}
String tempFileId = DLUtil.getTempFileId(
fileEntry.getFileEntryId(), version);
FileVersion fileVersion = fileEntry.getFileVersion(version);
String fileName = fileVersion.getTitle();
String extension = fileVersion.getExtension();
if (Validator.isNotNull(extension) &&
!fileName.endsWith(StringPool.PERIOD + extension)) {
fileName += StringPool.PERIOD + extension;
}
// Handle requested conversion
boolean converted = false;
String targetExtension = ParamUtil.getString(
request, "targetExtension");
int imageThumbnail = ParamUtil.getInteger(request, "imageThumbnail");
int documentThumbnail = ParamUtil.getInteger(
request, "documentThumbnail");
int previewFileIndex = ParamUtil.getInteger(
request, "previewFileIndex");
boolean audioPreview = ParamUtil.getBoolean(request, "audioPreview");
boolean imagePreview = ParamUtil.getBoolean(request, "imagePreview");
boolean videoPreview = ParamUtil.getBoolean(request, "videoPreview");
int videoThumbnail = ParamUtil.getInteger(request, "videoThumbnail");
InputStream inputStream = null;
long contentLength = 0;
if ((imageThumbnail > 0) && (imageThumbnail <= 3)) {
fileName = FileUtil.stripExtension(fileName).concat(
StringPool.PERIOD).concat(
ImageProcessorUtil.getThumbnailType(fileVersion));
int thumbnailIndex = imageThumbnail - 1;
inputStream = ImageProcessorUtil.getThumbnailAsStream(
fileVersion, thumbnailIndex);
contentLength = ImageProcessorUtil.getThumbnailFileSize(
fileVersion, thumbnailIndex);
converted = true;
}
else if ((documentThumbnail > 0) && (documentThumbnail <= 3)) {
fileName = FileUtil.stripExtension(fileName).concat(
StringPool.PERIOD).concat(PDFProcessor.THUMBNAIL_TYPE);
int thumbnailIndex = documentThumbnail - 1;
inputStream = PDFProcessorUtil.getThumbnailAsStream(
fileVersion, thumbnailIndex);
contentLength = PDFProcessorUtil.getThumbnailFileSize(
fileVersion, thumbnailIndex);
converted = true;
}
else if (previewFileIndex > 0) {
fileName = FileUtil.stripExtension(fileName).concat(
StringPool.PERIOD).concat(PDFProcessor.PREVIEW_TYPE);
inputStream = PDFProcessorUtil.getPreviewAsStream(
fileVersion, previewFileIndex);
contentLength = PDFProcessorUtil.getPreviewFileSize(
fileVersion, previewFileIndex);
converted = true;
}
else if (audioPreview || videoPreview) {
String type = ParamUtil.getString(request, "type");
fileName = FileUtil.stripExtension(fileName).concat(
StringPool.PERIOD).concat(type);
if (audioPreview) {
inputStream = AudioProcessorUtil.getPreviewAsStream(
fileVersion, type);
contentLength = AudioProcessorUtil.getPreviewFileSize(
fileVersion, type);
}
else {
inputStream = VideoProcessorUtil.getPreviewAsStream(
fileVersion, type);
contentLength = VideoProcessorUtil.getPreviewFileSize(
fileVersion, type);
}
converted = true;
}
else if (imagePreview) {
String type = ImageProcessorUtil.getPreviewType(fileVersion);
fileName = FileUtil.stripExtension(fileName).concat(
StringPool.PERIOD).concat(type);
inputStream = ImageProcessorUtil.getPreviewAsStream(fileVersion);
contentLength = ImageProcessorUtil.getPreviewFileSize(fileVersion);
converted = true;
}
else if ((videoThumbnail > 0) && (videoThumbnail <= 3)) {
fileName = FileUtil.stripExtension(fileName).concat(
StringPool.PERIOD).concat(VideoProcessor.THUMBNAIL_TYPE);
int thumbnailIndex = videoThumbnail - 1;
inputStream = VideoProcessorUtil.getThumbnailAsStream(
fileVersion, thumbnailIndex);
contentLength = VideoProcessorUtil.getThumbnailFileSize(
fileVersion, thumbnailIndex);
converted = true;
}
else {
inputStream = fileVersion.getContentStream(true);
contentLength = fileVersion.getSize();
if (Validator.isNotNull(targetExtension)) {
File convertedFile = DocumentConversionUtil.convert(
tempFileId, inputStream, extension, targetExtension);
if (convertedFile != null) {
fileName = FileUtil.stripExtension(fileName).concat(
StringPool.PERIOD).concat(targetExtension);
inputStream = new FileInputStream(convertedFile);
contentLength = convertedFile.length();
converted = true;
}
}
}
// Determine proper content type
String contentType = null;
if (converted) {
contentType = MimeTypesUtil.getContentType(fileName);
}
else {
contentType = fileVersion.getMimeType();
}
if (_log.isDebugEnabled()) {
_log.debug("Content type set to " + contentType);
}
// Send file
if (isSupportsRangeHeader(contentType)) {
sendFileWithRangeHeader(
request, response, fileName, inputStream, contentLength,
contentType);
}
else {
ServletResponseUtil.sendFile(
request, response, fileName, inputStream, contentLength,
contentType);
}
}
protected void sendFile(
HttpServletResponse response, User user, long groupId,
long folderId, String title)
throws Exception {
FileEntry fileEntry = DLAppServiceUtil.getFileEntry(