1 files changed, 0 insertions, 200 deletions
diff --git a/pdf-over-signer/src/main/java/at/asit/pdfover/signer/Emblem.java b/pdf-over-signer/src/main/java/at/asit/pdfover/signer/Emblem.java
deleted file mode 100644
index 6c368b16..00000000
--- a/pdf-over-signer/src/main/java/at/asit/pdfover/signer/Emblem.java
+++ /dev/null
@@ -1,200 +0,0 @@
-/*
- * Copyright 2012 by A-SIT, Secure Information Technology Center Austria
- *
- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
- * the European Commission - subsequent versions of the EUPL (the "Licence");
- * You may not use this work except in compliance with the Licence.
- * You may obtain a copy of the Licence at:
- * http://joinup.ec.europa.eu/software/page/eupl
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the Licence is distributed on an "AS IS" basis,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the Licence for the specific language governing permissions and
- * limitations under the Licence.
- */
-package at.asit.pdfover.signer;
-
-// Imports
-import at.asit.pdfover.commons.Constants;
-import at.asit.pdfover.commons.utils.ImageUtil;
-
-import java.awt.Graphics2D;
-import java.awt.Image;
-import java.awt.image.BufferedImage;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.util.Properties;
-
-import javax.imageio.ImageIO;
-
-import org.apache.commons.codec.digest.DigestUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * TODO all of this caching business is a bit of a mess
- */
-public class Emblem {
-	/**
-	 * SLF4J Logger instance
-	 **/
-	private static final Logger log = LoggerFactory.getLogger(Emblem.class);
-
-	private static final String CACHE_DIR = Constants.CONFIG_DIRECTORY;
-	private static final String CACHE_IMG_FILENAME = ".emblem.png";
-	private static final String CACHE_IMG_FORMAT = "png";
-	private static final String CACHE_PROPS_FILENAME = ".emblem.properties";
-
-	private static final String PROPKEY_ORIG_PATH = "IMG";
-	private static final String PROPKEY_ORIG_DIGEST = "HSH";
-	private static final int MAX_EMBLEM_WIDTH  = 480;
-	private static final int MAX_EMBLEM_HEIGHT = 600;
-
-	private String originalFileName = null;
-	private String originalFileHash = null;
-	private Image image = null; /* image data, if we have it */
-
-	private void lazyLoadImage() {
-		if (this.image != null) return;
-
-		String filename = getCachedFileName();
-		if (this.image != null) return; /* getCachedFileName may have re-generated the cache and populated this.image */
-
-		try {
-			this.image = ImageUtil.readImageWithEXIFRotation(new File(filename));
-		} catch (IOException e) {
-			log.warn("Failed to load Emblem image");
-		}
-	}
-
-	public int getWidth() { if (image == null) lazyLoadImage(); return (image != null) ? image.getWidth(null) : 0; }
-	public int getHeight() { if (image == null) lazyLoadImage(); return (image != null) ? image.getHeight(null) : 0; }
-
-	/**
-	 * Constructor
-	 * @param filename
-	 */
-	public Emblem(String filename) {
-		this.originalFileName = filename;
-	}
-
-	private static String getFileHash(String filename) throws IOException {
-		InputStream is = Files.newInputStream(Path.of(filename));
-		return DigestUtils.md5Hex(is);
-	}
-
-	private static BufferedImage reduceImageSizeIfNecessary(BufferedImage img, int maxWidth, int maxHeight) {
-		int oheight = img.getHeight();
-		int owidth = img.getWidth();
-
-		double ratio = (double)owidth/(double)oheight;
-
-		int height = oheight;
-		int width = owidth;
-		if (height > maxHeight) {
-			height = maxHeight;
-			width = (int) (maxHeight * ratio);
-		}
-		if (width > maxWidth) {
-			width = maxWidth;
-			height = (int) (maxWidth / ratio);
-		}
-		BufferedImage result = img;
-		if (width != owidth || height != oheight) {
-			//scale image
-			log.debug("Scaling emblem: " + owidth + "x" + oheight + " to " + width + "x" + height);
-			result = new BufferedImage(width, height, img.getType() == 0 ? BufferedImage.TYPE_INT_ARGB : img.getType());
-			Graphics2D g = result.createGraphics();
-			g.drawImage(img, 0, 0, width, height, null);
-			g.dispose();
-		}
-		return result;
-	}
-
-	/* (non-Javadoc)
-	 * @see at.asit.pdfover.signator.Emblem#getFileName()
-	 */
-	public String getCachedFileName() {
-		String emblemImg = this.originalFileName;
-		String emblemHsh = null;
-		String cachedEmblemFileName = CACHE_DIR + File.separator + CACHE_IMG_FILENAME;
-
-		if (emblemImg == null || !(new File(emblemImg).exists()))
-			return null;
-
-		Properties emblemProps = new Properties();
-		// compare cache, try to load if match
-		try {
-			File cacheProps = new File(CACHE_DIR, CACHE_PROPS_FILENAME);
-			if (cacheProps.exists()) {
-				InputStream in = new FileInputStream(cacheProps);
-				emblemProps.load(in);
-				if (emblemImg.equals(emblemProps.getProperty(PROPKEY_ORIG_PATH))) {
-					emblemHsh = getFileHash(emblemImg);
-					if (emblemHsh.equals(emblemProps.getProperty(PROPKEY_ORIG_DIGEST))) {
-						log.debug("Emblem cache hit: " + cachedEmblemFileName);
-						return cachedEmblemFileName;
-					}
-				}
-			}
-			log.debug("Emblem cache miss");
-		} catch (Exception e) {
-			log.warn("Can't load emblem cache", e);
-		}
-
-		try {
-			// create new cache
-			if (emblemHsh == null)
-				emblemHsh = getFileHash(emblemImg);
-			emblemProps.setProperty(PROPKEY_ORIG_PATH, emblemImg);
-			emblemProps.setProperty(PROPKEY_ORIG_DIGEST, emblemHsh);
-			File imgFile = new File(emblemImg);
-
-			BufferedImage img = ImageUtil.readImageWithEXIFRotation(imgFile);
-			img = reduceImageSizeIfNecessary(img, MAX_EMBLEM_WIDTH, MAX_EMBLEM_HEIGHT);
-
-			File file = new File(CACHE_DIR, CACHE_IMG_FILENAME);
-			ImageIO.write(img, CACHE_IMG_FORMAT, file); // ignore returned boolean
-			this.image = img;
-			OutputStream out = new FileOutputStream(new File(CACHE_DIR, CACHE_PROPS_FILENAME));
-			emblemProps.store(out, null);
-		} catch (IOException e) {
-			log.error("Can't save emblem cache", e);
-			return this.originalFileName;
-		}
-		return cachedEmblemFileName;
-	}
-
-	/**
-	 * Return the original filename
-	 * @return the original filename
-	 */
-	public String getOriginalFileName() {
-		return this.originalFileName;
-	}
-
-	/**
-	 * Return the original filename
-	 * @return the original filename
-	 */
-	public String getOriginalFileHash() {
-		if (this.originalFileHash == null) {
-			if (this.originalFileName == null || !(new File(this.originalFileName).exists())) {
-				this.originalFileHash = "";
-			} else try {
-				this.originalFileHash = getFileHash(this.originalFileName);
-			} catch (IOException e) {
-				log.debug("Error getting file hash", e);
-				this.originalFileHash = "";
-			}
-		}
-		return this.originalFileHash;
-	}
-}