readers = ImageIO.getImageReaders(iis);
+
+ String format = StringUtils.EMPTY;
+ while (readers.hasNext()) {
+ ImageReader read = readers.next();
+ format = read.getFormatName();
+ }
+ URLConnection urlConn;
+ try {
+ urlConn = url.openConnection();
+ } catch (IOException e) {
+ logger.error(String.format("Failed open url: %s", url.toString()));
+ throw e;
+ }
+
+ try (InputStream is = new BufferedInputStream(urlConn.getInputStream())) {
+ String attachmentType = attachmentTypeFromFormat(format);
+
+ String attachmentFName = DigestUtils.md5Hex(UUID.randomUUID().toString()) + "." + attachmentType;
+ Files.copy(is, Paths.get(tmpDir, attachmentFName));
+ return URI.create(String.format("juick://%s", attachmentFName));
+ } catch (IOException e) {
+ logger.error(String.format("Failed download image by url: %s", url.toString()), e);
+ throw e;
+ }
+ }
+}
diff --git a/src/main/java/com/juick/server/util/ImageUtils.java b/src/main/java/com/juick/server/util/ImageUtils.java
new file mode 100644
index 00000000..d16faf8f
--- /dev/null
+++ b/src/main/java/com/juick/server/util/ImageUtils.java
@@ -0,0 +1,175 @@
+
+/*
+ * Copyright (C) 2008-2017, 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.server.util;
+
+import com.juick.Attachment;
+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 javax.imageio.ImageIO;
+import javax.imageio.ImageReader;
+import javax.imageio.stream.FileImageInputStream;
+import javax.imageio.stream.ImageInputStream;
+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;
+
+public class ImageUtils {
+ private static final Logger logger = LoggerFactory.getLogger(ImageUtils.class);
+
+ private String imgDir;
+ private String tmpDir;
+
+ public ImageUtils(String imgDir, String tmpDir) {
+ this.imgDir = imgDir;
+ this.tmpDir = tmpDir;
+ }
+/**
+ * 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 e) {
+ // failed to read metadata.
+ // nothing to do here, return image as is.
+ }
+
+ return image;
+ }
+
+ 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 = (width > height) ? 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();
+ 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();
+ }
+ }
+ }
+
+ logger.warn("Not a known image file {}", imgFile.getAbsolutePath());
+ return attachment;
+ }
+}
\ No newline at end of file
diff --git a/src/main/java/com/juick/server/util/TagUtils.java b/src/main/java/com/juick/server/util/TagUtils.java
new file mode 100644
index 00000000..cb828933
--- /dev/null
+++ b/src/main/java/com/juick/server/util/TagUtils.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2008-2017, 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.server.util;
+
+import com.juick.Tag;
+import org.apache.commons.collections4.CollectionUtils;
+import org.apache.commons.lang3.StringUtils;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+/**
+ * Created by aalexeev on 11/13/16.
+ */
+public class TagUtils {
+ private TagUtils() {
+ throw new IllegalStateException();
+ }
+
+ public static String toString(final List tags) {
+ if (CollectionUtils.isEmpty(tags))
+ return StringUtils.EMPTY;
+
+ return tags.stream().map(t -> "*" + t.getName())
+ .collect(Collectors.joining(" "));
+ }
+}
diff --git a/src/main/java/com/juick/server/util/UserUtils.java b/src/main/java/com/juick/server/util/UserUtils.java
new file mode 100644
index 00000000..1adc85ab
--- /dev/null
+++ b/src/main/java/com/juick/server/util/UserUtils.java
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2008-2017, 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.server.util;
+
+import com.juick.User;
+import com.juick.model.AnonymousUser;
+import com.juick.service.security.entities.JuickUser;
+import javax.annotation.Nonnull;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.context.SecurityContextHolder;
+
+/**
+ * Created by aalexeev on 11/14/16.
+ */
+public class UserUtils {
+ private UserUtils() {
+ throw new IllegalStateException();
+ }
+
+ public static Authentication getAuthentication() {
+ return SecurityContextHolder.getContext().getAuthentication();
+ }
+
+ public static Object getPrincipal(final Authentication authentication) {
+ return authentication == null ? null : authentication.getPrincipal();
+ }
+
+ @Nonnull
+ public static User getCurrentUser() {
+ Object principal = getPrincipal(getAuthentication());
+
+ if (principal instanceof JuickUser)
+ return ((JuickUser) principal).getUser();
+
+ if (principal instanceof User)
+ return (User) principal;
+
+ return AnonymousUser.INSTANCE;
+ }
+}
diff --git a/src/main/java/com/juick/server/util/WebUtils.java b/src/main/java/com/juick/server/util/WebUtils.java
new file mode 100644
index 00000000..9dd628ee
--- /dev/null
+++ b/src/main/java/com/juick/server/util/WebUtils.java
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2008-2017, 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.server.util;
+
+import java.util.regex.Pattern;
+
+/**
+ * Created by aalexeev on 11/28/16.
+ */
+public class WebUtils {
+ private WebUtils() {
+ throw new IllegalStateException();
+ }
+
+ private static final Pattern USER_NAME_PATTERN = Pattern.compile("[a-zA-Z-_\\d]{2,16}");
+
+ private static final Pattern POST_NUMBER_PATTERN = Pattern.compile("-?\\d+");
+
+ private static final Pattern JID_PATTERN = Pattern.compile("^[a-zA-Z0-9\\\\-\\\\_\\\\@\\\\.]{6,64}$");
+
+
+ public static boolean isPostNumber(final String aString) {
+ return aString != null && POST_NUMBER_PATTERN.matcher(aString).matches();
+ }
+
+ public static boolean isNotPostNumber(final String aString) {
+ return !isPostNumber(aString);
+ }
+
+ public static boolean isUserName(final String aString) {
+ return aString != null && USER_NAME_PATTERN.matcher(aString).matches();
+ }
+
+ public static boolean isNotUserName(final String aString) {
+ return !isUserName(aString);
+ }
+
+ public static boolean isJid(final String aString) {
+ return aString != null && JID_PATTERN.matcher(aString).matches();
+ }
+
+ public static boolean isNotJid(final String aString) {
+ return !isJid(aString);
+ }
+
+
+}
--
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