From 4b96a9b2e71b7a67effdd55b26ca532ff849d0ef Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Sat, 23 Oct 2021 08:09:05 +0300
Subject: ImagesService -> StorageService
img_path -> storage_path property
---
.../juick/service/FileSystemStorageService.java | 276 +++++++++++++++++++++
1 file changed, 276 insertions(+)
create mode 100644 src/main/java/com/juick/service/FileSystemStorageService.java
(limited to 'src/main/java/com/juick/service/FileSystemStorageService.java')
diff --git a/src/main/java/com/juick/service/FileSystemStorageService.java b/src/main/java/com/juick/service/FileSystemStorageService.java
new file mode 100644
index 00000000..021e5a9f
--- /dev/null
+++ b/src/main/java/com/juick/service/FileSystemStorageService.java
@@ -0,0 +1,276 @@
+/*
+ * 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 .
+ */
+
+package com.juick.service;
+
+import java.awt.image.BufferedImage;
+import java.io.File;
+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;
+
+import com.juick.model.Attachment;
+import com.juick.model.Message;
+import com.juick.model.Photo;
+import com.juick.model.User;
+
+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.StringUtils;
+
+public class FileSystemStorageService implements StorageService {
+
+ private static final Logger logger = LoggerFactory.getLogger(StorageService.class);
+
+ private final String baseDir;
+ private final String imgDir;
+ private final String tmpDir;
+ private final String avatarDir, avatarSmallDir, avatarOriginalDir;
+ private final String fullImageDir, mediumImageDir, smallImageDir, thumbnailImageDir;
+
+ public FileSystemStorageService(String baseDir, String tmpDir) {
+ this.baseDir = baseDir;
+ this.imgDir = Paths.get(baseDir, "i").toString();
+ this.tmpDir = tmpDir;
+ this.avatarDir = Paths.get(imgDir, "a").toString();
+ this.avatarOriginalDir = Paths.get(imgDir, "ao").toString();
+ this.avatarSmallDir = Paths.get(imgDir, "as").toString();
+ this.fullImageDir = Paths.get(imgDir, "p").toString();
+ this.mediumImageDir = Paths.get(imgDir, "photos-1024").toString();
+ this.smallImageDir = Paths.get(imgDir, "photos-512").toString();
+ this.thumbnailImageDir = Paths.get(imgDir, "ps").toString();
+ }
+
+ @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(fullImageDir, imageName).toFile();
+ File mediumImage = Paths.get(mediumImageDir, imageName).toFile();
+ File smallImage = Paths.get(smallImageDir, imageName).toFile();
+ File thumbnailImage = Paths.get(thumbnailImageDir, 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);
+ }
+ }
+
+ /**
+ * Returns BufferedImage, same as ImageIO.read() does.
+ *
+ *
+ * JPEG images with EXIF metadata are rotated according to Orientation tag.
+ *
+ * @param imageFile a File 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(fullImageDir, 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(mediumImageDir, outputFilename).toFile());
+ ImageIO.write(image0512, ext, Paths.get(smallImageDir, outputFilename).toFile());
+ ImageIO.write(image0160, ext, Paths.get(thumbnailImageDir, outputFilename).toFile());
+ }
+
+ private String getAvatarFileName(User user, String targetExtension) {
+ return String.format("%s.%s", user.getUid(), targetExtension);
+ }
+
+ private Path getAvatarPath(User user) {
+ return Paths.get(avatarDir, getAvatarFileName(user, "png"));
+ }
+
+ public void saveAvatar(String tempFilename, User user) throws IOException {
+ String ext = FilenameUtils.getExtension(tempFilename);
+ String originalName = getAvatarFileName(user, ext);
+ Path originalPath = Paths.get(avatarOriginalDir, originalName);
+ Files.move(Paths.get(tmpDir, tempFilename), originalPath, StandardCopyOption.REPLACE_EXISTING);
+ BufferedImage originalImage = ImageIO.read(originalPath.toFile());
+ String targetExt = "png";
+ ImageIO.write(Scalr.resize(originalImage, 96), targetExt, getAvatarPath(user).toFile());
+ ImageIO.write(Scalr.resize(originalImage, 32), targetExt, Paths.get(avatarSmallDir, getAvatarFileName(user, targetExt)).toFile());
+ }
+
+ public Attachment getAttachment(File imgFile) throws IOException {
+ Attachment attachment = new Attachment();
+ if (imgFile.exists()) {
+ try (ImageInputStream stream = ImageIO.createImageInputStream(imgFile)) {
+ Iterator 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;
+ }
+
+ public Attachment getAvatarMetadata(User user) throws IOException {
+ return getAttachment(getAvatarPath(user).toFile());
+ }
+
+ @Override
+ public String getBaseDirectory() {
+ return baseDir;
+ }
+
+ @Override
+ public String getImageDirectory() {
+ return imgDir;
+ }
+
+ @Override
+ public String getTemporaryDirectory() {
+ return tmpDir;
+ }
+}
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