/*
- * Sone - UploadImagePage.java - Copyright © 2011 David Roden
+ * 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
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.web.page.Page.Request.Method;
+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.logging.Logging;
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;
/**
- * TODO
+ * 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 {
- /** The logger. */
- private static final Logger logger = Logging.getLogger(UploadImagePage.class);
+ private static final Logger logger = getLogger(UploadImagePage.class.getName());
+ private static final String UNKNOWN_MIME_TYPE = "application/octet-stream";
/**
- * TODO
+ * 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);
* {@inheritDoc}
*/
@Override
- protected void processTemplate(Request request, TemplateContext templateContext) throws RedirectException {
- super.processTemplate(request, templateContext);
+ 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, false);
+ Album parent = webInterface.getCore().getAlbum(parentId);
if (parent == null) {
- throw new RedirectException("invalid.html");
+ 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 name = request.getHttpRequest().getPartAsStringFailsafe("title", 200);
String description = request.getHttpRequest().getPartAsStringFailsafe("description", 4000);
HTTPUploadedFile uploadedFile = request.getHttpRequest().getUploadedFile("image");
Bucket fileBucket = uploadedFile.getData();
InputStream imageInputStream = null;
- net.pterodactylus.sone.data.Image image = null;
+ ByteArrayOutputStream imageDataOutputStream = null;
try {
imageInputStream = fileBucket.getInputStream();
- Image uploadedImage = ImageIO.read(imageInputStream);
+ /* 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;
}
- image = new net.pterodactylus.sone.data.Image().setSone(currentSone);
- image.setTitle(name).setDescription(description).setWidth(uploadedImage.getWidth(null)).setHeight(uploadedImage.getHeight(null));
- parent.addImage(image);
- uploadedImage.flush();
+ 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);
- throw new RedirectException("invalid.html");
+ return;
+ } catch (ImageTitleMustNotBeEmpty itmnbe) {
+ throw new RedirectException("emptyImageTitle.html");
} finally {
- Closer.close(imageInputStream);
- fileBucket.free();
+ 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];
}
- throw new RedirectException("imageBrowser.html?image=" + image.getId());
+ } catch (IOException ioe1) {
+ logger.log(Level.FINE, "Could not detect MIME type for image.", ioe1);
}
+ return UNKNOWN_MIME_TYPE;
}
}
projects / Sone.git / blobdiff