+++ /dev/null
-/*
- * Sone - UploadImagePage.java - Copyright © 2011–2016 David Roden
- *
- * This program 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.
- *
- * This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-package net.pterodactylus.sone.web;
-
-import static com.google.common.base.Optional.fromNullable;
-import static java.util.logging.Logger.getLogger;
-
-import java.awt.Image;
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.util.Iterator;
-import java.util.logging.Level;
-import java.util.logging.Logger;
-
-import javax.imageio.ImageIO;
-import javax.imageio.ImageReader;
-import javax.imageio.stream.ImageInputStream;
-
-import net.pterodactylus.sone.data.Album;
-import net.pterodactylus.sone.data.Image.Modifier.ImageTitleMustNotBeEmpty;
-import net.pterodactylus.sone.data.Sone;
-import net.pterodactylus.sone.data.TemporaryImage;
-import net.pterodactylus.sone.text.TextFilter;
-import net.pterodactylus.sone.web.page.FreenetRequest;
-import net.pterodactylus.util.io.Closer;
-import net.pterodactylus.util.template.Template;
-import net.pterodactylus.util.template.TemplateContext;
-import net.pterodactylus.util.web.Method;
-
-import com.google.common.io.ByteStreams;
-
-import freenet.support.api.Bucket;
-import freenet.support.api.HTTPUploadedFile;
-
-/**
- * Page implementation that lets the user upload an image.
- *
- * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
- */
-public class UploadImagePage extends SoneTemplatePage {
-
- private static final Logger logger = getLogger(UploadImagePage.class.getName());
- private static final String UNKNOWN_MIME_TYPE = "application/octet-stream";
-
- /**
- * Creates a new “upload image” page.
- *
- * @param template
- * The template to render
- * @param webInterface
- * The Sone web interface
- */
- public UploadImagePage(Template template, WebInterface webInterface) {
- super("uploadImage.html", template, "Page.UploadImage.Title", webInterface, true);
- }
-
- //
- // SONETEMPLATEPAGE METHODS
- //
-
- /**
- * {@inheritDoc}
- */
- @Override
- protected void handleRequest(FreenetRequest request, TemplateContext templateContext) throws RedirectException {
- if (request.getMethod() == Method.POST) {
- Sone currentSone = getCurrentSone(request.getToadletContext());
- String parentId = request.getHttpRequest().getPartAsStringFailsafe("parent", 36);
- Album parent = webInterface.getCore().getAlbum(parentId);
- if (parent == null) {
- throw new RedirectException("noPermission.html");
- }
- if (!currentSone.equals(parent.getSone())) {
- throw new RedirectException("noPermission.html");
- }
- String name = request.getHttpRequest().getPartAsStringFailsafe("title", 200).trim();
- if (name.length() == 0) {
- throw new RedirectException("emptyImageTitle.html");
- }
- String description = request.getHttpRequest().getPartAsStringFailsafe("description", 4000);
- HTTPUploadedFile uploadedFile = request.getHttpRequest().getUploadedFile("image");
- Bucket fileBucket = uploadedFile.getData();
- InputStream imageInputStream = null;
- ByteArrayOutputStream imageDataOutputStream = null;
- try {
- imageInputStream = fileBucket.getInputStream();
- /* TODO - check length */
- imageDataOutputStream = new ByteArrayOutputStream((int) fileBucket.size());
- ByteStreams.copy(imageInputStream, imageDataOutputStream);
- } catch (IOException ioe1) {
- logger.log(Level.WARNING, "Could not read uploaded image!", ioe1);
- return;
- } finally {
- fileBucket.free();
- Closer.close(imageInputStream);
- Closer.close(imageDataOutputStream);
- }
- byte[] imageData = imageDataOutputStream.toByteArray();
- ByteArrayInputStream imageDataInputStream = null;
- Image uploadedImage = null;
- try {
- imageDataInputStream = new ByteArrayInputStream(imageData);
- uploadedImage = ImageIO.read(imageDataInputStream);
- if (uploadedImage == null) {
- templateContext.set("messages", webInterface.getL10n().getString("Page.UploadImage.Error.InvalidImage"));
- return;
- }
- String mimeType = getMimeType(imageData);
- TemporaryImage temporaryImage = webInterface.getCore().createTemporaryImage(mimeType, imageData);
- net.pterodactylus.sone.data.Image image = webInterface.getCore().createImage(currentSone, parent, temporaryImage);
- image.modify().setTitle(name).setDescription(TextFilter.filter(request.getHttpRequest().getHeader("host"), description)).setWidth(uploadedImage.getWidth(null)).setHeight(uploadedImage.getHeight(null)).update();
- } catch (IOException ioe1) {
- logger.log(Level.WARNING, "Could not read uploaded image!", ioe1);
- return;
- } catch (ImageTitleMustNotBeEmpty itmnbe) {
- throw new RedirectException("emptyImageTitle.html");
- } finally {
- Closer.close(imageDataInputStream);
- Closer.flush(uploadedImage);
- }
- throw new RedirectException("imageBrowser.html?album=" + parent.getId());
- }
- }
-
- //
- // PRIVATE METHODS
- //
-
- /**
- * Tries to detect the MIME type of the encoded image.
- *
- * @param imageData
- * The encoded image
- * @return The MIME type of the image, or “application/octet-stream” if the
- * image type could not be detected
- */
- private static String getMimeType(byte[] imageData) {
- ByteArrayInputStream imageDataInputStream = new ByteArrayInputStream(imageData);
- try {
- ImageInputStream imageInputStream = ImageIO.createImageInputStream(imageDataInputStream);
- Iterator<ImageReader> imageReaders = ImageIO.getImageReaders(imageInputStream);
- if (imageReaders.hasNext()) {
- return fromNullable(imageReaders.next().getOriginatingProvider().getMIMETypes())
- .or(new String[] { UNKNOWN_MIME_TYPE })[0];
- }
- } catch (IOException ioe1) {
- logger.log(Level.FINE, "Could not detect MIME type for image.", ioe1);
- }
- return UNKNOWN_MIME_TYPE;
- }
-
-}
projects / Sone.git / blobdiff