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-rw-r--r--src/main/java/com/juick/service/ImagesServiceImpl.java255
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diff --git a/src/main/java/com/juick/service/ImagesServiceImpl.java b/src/main/java/com/juick/service/ImagesServiceImpl.java
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--- a/src/main/java/com/juick/service/ImagesServiceImpl.java
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-/*
- * Copyright (C) 2008-2020, Juick
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero 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 Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-package com.juick.service;
-
-import com.juick.model.Attachment;
-import com.juick.model.Message;
-import com.juick.model.Photo;
-import org.apache.commons.imaging.ImageReadException;
-import org.apache.commons.imaging.Imaging;
-import org.apache.commons.imaging.common.ImageMetadata;
-import org.apache.commons.imaging.formats.jpeg.JpegImageMetadata;
-import org.apache.commons.imaging.formats.tiff.TiffField;
-import org.apache.commons.imaging.formats.tiff.constants.TiffTagConstants;
-import org.apache.commons.io.FileUtils;
-import org.apache.commons.io.FilenameUtils;
-import org.imgscalr.Scalr;
-import org.imgscalr.Scalr.Rotation;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.util.ResourceUtils;
-import org.springframework.util.StringUtils;
-
-import java.awt.image.BufferedImage;
-import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.IOException;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.nio.file.Paths;
-import java.nio.file.StandardCopyOption;
-import java.util.Iterator;
-
-import javax.imageio.ImageIO;
-import javax.imageio.ImageReader;
-import javax.imageio.stream.ImageInputStream;
-
-public class ImagesServiceImpl implements ImagesService {
-
- private static final Logger logger = LoggerFactory.getLogger(ImagesService.class);
-
- private final String imgDir;
- private final String tmpDir;
-
- public ImagesServiceImpl(String imgDir, String tmpDir) {
- this.imgDir = imgDir;
- this.tmpDir = tmpDir;
- }
-
- @Override
- public void setAttachmentMetadata(String baseUrl, Message msg) throws Exception {
- if (!StringUtils.isEmpty(msg.getAttachmentType())) {
- Photo photo = new Photo();
- if (msg.getRid() > 0) {
- photo.setSmall(String.format("%sphotos-512/%d-%d.%s", baseUrl, msg.getMid(), msg.getRid(),
- msg.getAttachmentType()));
- photo.setMedium(String.format("%sphotos-1024/%d-%d.%s", baseUrl, msg.getMid(), msg.getRid(),
- msg.getAttachmentType()));
- photo.setThumbnail(
- String.format("%sps/%d-%d.%s", baseUrl, msg.getMid(), msg.getRid(), msg.getAttachmentType()));
- } else {
- photo.setSmall(String.format("%sphotos-512/%d.%s", baseUrl, msg.getMid(), msg.getAttachmentType()));
- photo.setMedium(String.format("%sphotos-1024/%d.%s", baseUrl, msg.getMid(), msg.getAttachmentType()));
- photo.setThumbnail(String.format("%sps/%d.%s", baseUrl, msg.getMid(), msg.getAttachmentType()));
- }
- msg.setPhoto(photo);
- String imageName = String.format("%s.%s", msg.getMid(), msg.getAttachmentType());
- if (msg.getRid() > 0) {
- imageName = String.format("%s-%s.%s", msg.getMid(), msg.getRid(), msg.getAttachmentType());
- }
- File fullImage = Paths.get(imgDir, "p", imageName).toFile();
- File mediumImage = Paths.get(imgDir, "photos-1024", imageName).toFile();
- File smallImage = Paths.get(imgDir, "photos-512", imageName).toFile();
- File thumbnailImage = Paths.get(imgDir, "ps", imageName).toFile();
- StringBuilder builder = new StringBuilder();
- builder.append(baseUrl);
- builder.append(msg.getAttachmentType().equals("mp4") ? "video" : "p");
- builder.append("/").append(msg.getMid());
- if (msg.getRid() > 0) {
- builder.append("-").append(msg.getRid());
- }
- builder.append(".").append(msg.getAttachmentType());
- String originalUrl = builder.toString();
-
- Attachment original = getAttachment(fullImage);
- original.setUrl(originalUrl);
-
- Attachment medium = getAttachment(mediumImage);
- medium.setUrl(photo.getMedium());
- original.setMedium(medium);
-
- Attachment small = getAttachment(smallImage);
- small.setUrl(photo.getSmall());
- original.setSmall(small);
-
- Attachment thumb = getAttachment(thumbnailImage);
- thumb.setUrl(photo.getMedium());
- original.setThumbnail(thumb);
-
- msg.setAttachment(original);
- }
- }
-
- @Override
- public Attachment getImageMetadata(String resourceLocation) throws FileNotFoundException, IOException {
- return getAttachment(ResourceUtils.getFile(resourceLocation));
- }
-
- /**
- * Returns <code>BufferedImage</code>, same as <code>ImageIO.read()</code> does.
- *
- * <p>
- * JPEG images with EXIF metadata are rotated according to Orientation tag.
- *
- * @param imageFile a <code>File</code> to read from.
- */
- private static BufferedImage readImageWithOrientation(File imageFile) throws IOException {
-
- BufferedImage image = ImageIO.read(imageFile);
- if (!FilenameUtils.getExtension(imageFile.getName()).equals("jpg")) {
- return image;
- }
-
- try {
- ImageMetadata metadata = Imaging.getMetadata(imageFile);
-
- if (metadata instanceof JpegImageMetadata) {
- JpegImageMetadata jpegMetadata = (JpegImageMetadata) metadata;
- TiffField orientationField = jpegMetadata.findEXIFValue(TiffTagConstants.TIFF_TAG_ORIENTATION);
-
- if (orientationField != null) {
- int orientation = orientationField.getIntValue();
- switch (orientation) {
- case TiffTagConstants.ORIENTATION_VALUE_ROTATE_90_CW:
- image = Scalr.rotate(image, Rotation.CW_90);
- break;
- case TiffTagConstants.ORIENTATION_VALUE_ROTATE_180:
- image = Scalr.rotate(image, Rotation.CW_180);
- break;
- case TiffTagConstants.ORIENTATION_VALUE_ROTATE_270_CW:
- image = Scalr.rotate(image, Rotation.CW_270);
- break;
- case TiffTagConstants.ORIENTATION_VALUE_MIRROR_HORIZONTAL:
- image = Scalr.rotate(image, Rotation.FLIP_HORZ);
- break;
- case TiffTagConstants.ORIENTATION_VALUE_MIRROR_VERTICAL:
- image = Scalr.rotate(image, Rotation.FLIP_VERT);
- break;
- case TiffTagConstants.ORIENTATION_VALUE_MIRROR_HORIZONTAL_AND_ROTATE_90_CW:
- image = Scalr.rotate(Scalr.rotate(image, Rotation.FLIP_HORZ), Rotation.CW_90);
- break;
- case TiffTagConstants.ORIENTATION_VALUE_MIRROR_HORIZONTAL_AND_ROTATE_270_CW:
- image = Scalr.rotate(Scalr.rotate(image, Rotation.FLIP_HORZ), Rotation.CW_270);
- break;
- case TiffTagConstants.ORIENTATION_VALUE_HORIZONTAL_NORMAL:
- default:
- // do nothing
- break;
- }
- }
- }
- } catch (ImageReadException | IOException e) {
- // failed to read metadata.
- // nothing to do here, return image as is.
- }
-
- return image;
- }
-
- @Override
- public void saveImageWithPreviews(String tempFilename, String outputFilename) throws IOException {
- String ext = FilenameUtils.getExtension(outputFilename);
-
- Path outputImagePath = Paths.get(imgDir, "p", outputFilename);
- // this throws strange exceptions
- // Files.move(Paths.get(tmpDir, tempFilename), outputImagePath);
- FileUtils.moveFile(Paths.get(tmpDir, tempFilename).toFile(), outputImagePath.toFile());
- BufferedImage originalImage = readImageWithOrientation(outputImagePath.toFile());
-
- int width = originalImage.getWidth();
- int height = originalImage.getHeight();
- int maxDimension = Math.max(width, height);
- BufferedImage image1024 = (maxDimension > 1024) ? Scalr.resize(originalImage, 1024) : originalImage;
- BufferedImage image0512 = (maxDimension > 512) ? Scalr.resize(originalImage, 512) : originalImage;
- BufferedImage image0160 = (maxDimension > 160) ? Scalr.resize(originalImage, 160) : originalImage;
- ImageIO.write(image1024, ext, Paths.get(imgDir, "photos-1024", outputFilename).toFile());
- ImageIO.write(image0512, ext, Paths.get(imgDir, "photos-512", outputFilename).toFile());
- ImageIO.write(image0160, ext, Paths.get(imgDir, "ps", outputFilename).toFile());
- }
-
- public void saveAvatar(String tempFilename, int uid) throws IOException {
- String ext = FilenameUtils.getExtension(tempFilename);
- String originalName = String.format("%s.%s", uid, ext);
- Path originalPath = Paths.get(imgDir, "ao", originalName);
- Files.move(Paths.get(tmpDir, tempFilename), originalPath, StandardCopyOption.REPLACE_EXISTING);
- BufferedImage originalImage = ImageIO.read(originalPath.toFile());
-
- String targetExt = "png";
- String targetName = String.format("%s.%s", uid, targetExt);
- ImageIO.write(Scalr.resize(originalImage, 96), targetExt, Paths.get(imgDir, "a", targetName).toFile());
- ImageIO.write(Scalr.resize(originalImage, 32), targetExt, Paths.get(imgDir, "as", targetName).toFile());
- }
-
- public Attachment getAttachment(File imgFile) throws IOException {
- Attachment attachment = new Attachment();
- if (imgFile.exists()) {
- try (ImageInputStream stream = ImageIO.createImageInputStream(imgFile)) {
- Iterator<ImageReader> iter = ImageIO.getImageReaders(stream);
- while (iter.hasNext()) {
- ImageReader reader = iter.next();
- try {
- reader.setInput(stream);
- attachment.setWidth(reader.getWidth(reader.getMinIndex()));
- attachment.setHeight(reader.getHeight(reader.getMinIndex()));
- return attachment;
- } catch (Exception e) {
- logger.debug("Error reading {}, trying next reader", imgFile.getAbsolutePath());
- } finally {
- reader.dispose();
- }
- }
- }
- } else {
- logger.warn("File not exists yet: {}", imgFile.getAbsolutePath());
- return attachment;
- }
-
- logger.warn("Not a known image file {}", imgFile.getAbsolutePath());
- return attachment;
- }
-
- @Override
- public String getImageDirectory() {
- return imgDir;
- }
-
- @Override
- public String getTemporaryDirectory() {
- return tmpDir;
- }
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-20 04:53:07 +0000