/*
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Dateiverwaltung - File management in your browser
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Copyright (C) 2017 Ulrich Hilger, http://uhilger.de
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package de.uhilger.filecms.api;
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import de.uhilger.filecms.data.FileRef;
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import de.uhilger.filecms.web.Initialiser;
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import de.uhilger.wbx.Bild;
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import java.awt.Container;
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import java.awt.Image;
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import java.awt.MediaTracker;
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import java.awt.Toolkit;
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.io.FileReader;
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import java.io.FileWriter;
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import java.io.IOException;
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import java.io.Reader;
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import java.security.Principal;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import org.apache.commons.io.FileUtils;
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/**
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*
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* @author ulrich
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*/
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public class FileMgr extends Api {
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private static final Logger logger = Logger.getLogger(FileMgr.class.getName());
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public static final String PUB_DIR_PATH = "www/";
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public static final String HOME_DIR_PATH = "home/";
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public static final String PUB_DIR_NAME = "Oeffentlich";
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public static final String HOME_DIR_NAME = "Persoenlicher Ordner";
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public static final int OP_COPY = 1;
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public static final int OP_MOVE = 2;
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public String hallo() {
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return "Hallo Welt!";
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}
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public List<FileRef> list(String relPath) {
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List<FileRef> files = new ArrayList();
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if(relPath.length() == 0) {
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FileRef namedPublicFolder = new FileRef(PUB_DIR_NAME, true);
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logger.finer(namedPublicFolder.getAbsolutePath());
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FileRef namedHomeFolder = new FileRef(HOME_DIR_NAME, true);
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logger.finer(namedHomeFolder.getAbsolutePath());
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files = new ArrayList();
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files.add(namedHomeFolder);
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files.add(namedPublicFolder);
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} else {
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String path = getTargetDir(relPath).getAbsolutePath();
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logger.fine("listing path: " + path);
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File dir = new File(path);
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if(dir.exists()) {
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File[] fileArray = dir.listFiles();
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for(int i = 0; i < fileArray.length; i++) {
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logger.fine(fileArray[i].toURI().toString());
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String fname = fileArray[i].toURI().toString().replace("file:/", "");
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if(fileArray[i].isDirectory()) {
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fname = fname.substring(0, fname.length() - 1);
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}
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logger.fine(fname);
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files.add(new FileRef(fname, fileArray[i].isDirectory()));
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}
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}
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}
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return files;
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}
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public FileRef newFolder(String relPath, String folderName) {
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logger.finer(relPath);
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String targetPath = null;
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if(relPath.startsWith(PUB_DIR_NAME)) {
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targetPath = PUB_DIR_PATH + getUserName() + "/" + relPath.substring(PUB_DIR_NAME.length()) + "/" + folderName;
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} else if(relPath.startsWith(HOME_DIR_NAME)) {
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targetPath = HOME_DIR_PATH + getUserName() + "/" + relPath.substring(HOME_DIR_NAME.length()) + "/" + folderName;
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} else {
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// kann eigentlich nicht sein..
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}
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logger.finer(targetPath);
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File targetDir = new File(getBase().getAbsolutePath(), targetPath);
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targetDir.mkdirs();
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return new FileRef(targetDir.getAbsolutePath(), true);
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}
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public String getCode(String relPath, String fileName) {
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String code = null;
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Object p = getRequest().getUserPrincipal();
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if(p instanceof Principal) {
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Reader reader = null;
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try {
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File targetFile = new File(getTargetDir(relPath), fileName);
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//reader = new InputStreamReader(new FileInputStream(targetFile), "UTF8");
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reader = new FileReader(targetFile);
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StringBuffer buf = new StringBuffer();
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char[] readBuffer = new char[1024];
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int charsRead = reader.read(readBuffer);
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while(charsRead > -1) {
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buf.append(readBuffer, 0, charsRead);
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charsRead = reader.read(readBuffer);
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}
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code = buf.toString();
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} catch (FileNotFoundException ex) {
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Logger.getLogger(FileMgr.class.getName()).log(Level.SEVERE, null, ex);
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} catch (IOException ex) {
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Logger.getLogger(FileMgr.class.getName()).log(Level.SEVERE, null, ex);
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} finally {
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try {
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reader.close();
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} catch (IOException ex) {
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Logger.getLogger(FileMgr.class.getName()).log(Level.SEVERE, null, ex);
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}
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}
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}
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return code;
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}
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public String renameFile(String relPath, String fname, String newName) {
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File targetDir = getTargetDir(relPath);
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File file = new File(targetDir, fname);
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file.renameTo(new File(targetDir, newName));
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return fname + " umbenannt zu " + newName;
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}
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public String deleteFiles(String relPath, List fileNames) {
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String result = null;
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try {
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logger.fine(fileNames.toString());
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File targetDir = getTargetDir(relPath);
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for(int i=0; i < fileNames.size(); i++) {
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Object o = fileNames.get(i);
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if(o instanceof ArrayList) {
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ArrayList al = (ArrayList) o;
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logger.fine(al.get(0).toString());
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File targetFile = new File(targetDir, al.get(0).toString());
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logger.fine(targetFile.getAbsolutePath());
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if(targetFile.isDirectory()) {
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FileUtils.deleteDirectory(targetFile);
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} else {
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targetFile.delete();
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}
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}
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}
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result = "deleted";
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} catch (Throwable ex) {
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logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex);
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}
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return result;
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}
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public String copyFiles(String fromPath, String toPath, List fileNames) {
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return copyOrMoveFiles(fromPath, toPath, fileNames, OP_COPY);
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}
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public String moveFiles(String fromPath, String toPath, List fileNames) {
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return copyOrMoveFiles(fromPath, toPath, fileNames, OP_MOVE);
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}
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private String copyOrMoveFiles(String fromPath, String toPath, List fileNames, int operation) {
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String result = null;
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try {
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File srcDir = getTargetDir(fromPath);
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File targetDir = getTargetDir(toPath);
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Iterator i = fileNames.iterator();
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while(i.hasNext()) {
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Object o = i.next();
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if (o instanceof ArrayList) {
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ArrayList al = (ArrayList) o;
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File srcFile = new File(srcDir, al.get(0).toString());
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if(srcFile.isDirectory()) {
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if(operation == OP_MOVE) {
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FileUtils.moveDirectoryToDirectory(srcFile, targetDir, false);
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} else {
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FileUtils.copyDirectoryToDirectory(srcFile, targetDir);
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}
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} else {
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if(operation == OP_MOVE) {
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FileUtils.moveFileToDirectory(srcFile, targetDir, false);
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} else {
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FileUtils.copyFileToDirectory(srcFile, targetDir);
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}
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}
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}
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}
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} catch (IOException ex) {
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logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex);
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}
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return result;
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}
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public FileRef saveTextFileAs(String relPath, String fileName, String contents) {
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FileRef savedFile = null;
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logger.fine(relPath + " " + fileName);
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//FileRef datenRef = getBase();
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Object p = getRequest().getUserPrincipal();
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if(p instanceof Principal) {
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File targetFile = new File(getTargetDir(relPath), fileName);
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if(targetFile.exists()) {
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targetFile = getNewFileName(targetFile);
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} else {
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targetFile.getParentFile().mkdirs();
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}
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saveToFile(targetFile, contents);
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}
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return savedFile;
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}
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private File getNewFileName(File file) {
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File dir = file.getParentFile();
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String targetName = file.getName();
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logger.fine("targetName: " + targetName);
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String ext = "";
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int dotpos = targetName.indexOf(".");
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if(dotpos > -1) {
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ext = targetName.substring(dotpos);
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targetName = targetName.substring(0, dotpos);
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}
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logger.fine("targetName: " + targetName + ", ext: " + ext);
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int i = 1;
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while(file.exists()) {
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StringBuffer buf = new StringBuffer();
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buf.append(targetName);
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buf.append("-");
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buf.append(i);
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if(ext.length() > 0) {
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buf.append(ext);
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}
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file = new File(dir, buf.toString());
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i++;
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}
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logger.fine("new file: " + file.getName());
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return file;
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}
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private FileRef saveToFile(File targetFile, String contents) {
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FileRef savedFile = null;
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try {
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targetFile.createNewFile();
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FileWriter w = new FileWriter(targetFile);
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//w.write(StringEscapeUtils.unescapeHtml(contents));
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w.write(contents);
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w.flush();
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w.close();
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savedFile = new FileRef(
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targetFile.getAbsolutePath(),
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targetFile.isDirectory(),
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targetFile.isHidden(),
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targetFile.lastModified(),
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targetFile.length());
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} catch (IOException ex) {
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logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex);
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}
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return savedFile;
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}
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public FileRef saveTextFile(String relPath, String fileName, String contents) {
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FileRef savedFile = null;
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logger.fine(relPath + " " + fileName);
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//FileRef datenRef = getBase();
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Object p = getRequest().getUserPrincipal();
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if(p instanceof Principal) {
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File targetFile = new File(getTargetDir(relPath), fileName);
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if(targetFile.exists()) {
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/*
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muss delete() sein?
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pruefen: ueberschreibt der FileWriter den alteen Inhalt oder
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entsteht eine unerwuenschte Mischung aus altem und neuem
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Inhalt?
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*/
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targetFile.delete();
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} else {
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targetFile.getParentFile().mkdirs();
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}
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saveToFile(targetFile, contents);
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}
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return savedFile;
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}
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public String bildVerkleinern(String relPath, String bildName) {
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File dir = getTargetDir(relPath);
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File original = new File(dir, bildName);
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Bild bild = new Bild();
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//for (int i = 0; i < Bild.GR.length; i++) {
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//int gr = bild.getVariantenGroesse(i);
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String ext = "";
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String nurname = bildName;
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int dotpos = bildName.indexOf(".");
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if (dotpos > -1) {
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ext = bildName.substring(dotpos);
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nurname = bildName.substring(0, dotpos);
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}
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Image image = Toolkit.getDefaultToolkit().getImage(original.getAbsolutePath());
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MediaTracker mediaTracker = new MediaTracker(new Container());
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mediaTracker.addImage(image, 0);
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try {
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mediaTracker.waitForID(0);
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if(!mediaTracker.isErrorAny()) {
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for(int i = 0; i < Bild.GR.length; i++) {
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StringBuffer buf = new StringBuffer();
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buf.append(nurname);
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buf.append(bild.getVariantenName(i));
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buf.append(ext);
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File newImgFile = new File(dir, buf.toString());
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if(!newImgFile.exists()) {
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logger.fine(original.getAbsolutePath() + " " + newImgFile.getAbsolutePath());
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bild.writeImageFile(image, bild.getVariantenGroesse(i), bild.getMimeType(original), original.getAbsolutePath(), newImgFile.getAbsolutePath());
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//bild.writeImageFile(image, photo.getVariantenGroesse(i), photo.getMimetype(), photo.getAbsolutePath(basisPfad), photo.getVariantenName(basisPfad, i));
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}
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}
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}
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} catch(IOException | InterruptedException ex) {
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logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex);
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}
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return "ok";
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}
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/* ---- Hilfsfunktionen ---- */
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private File getTargetDir(String relPath) {
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logger.fine(relPath);
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String targetPath = null;
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if(relPath.startsWith(PUB_DIR_NAME)) {
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targetPath = PUB_DIR_PATH + getUserName() + relPath.substring(PUB_DIR_NAME.length());
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} else if(relPath.startsWith(HOME_DIR_NAME)) {
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targetPath = HOME_DIR_PATH + getUserName() + relPath.substring(HOME_DIR_NAME.length());
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} else {
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// kann eigentlich nicht sein..
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}
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logger.fine(targetPath);
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File targetDir = new File(getBase().getAbsolutePath(), targetPath);
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return targetDir;
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}
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private FileRef getBase() {
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FileRef base = null;
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Object o = getServletContext().getAttribute(Initialiser.FILE_BASE);
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if(o instanceof String) {
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String baseStr = (String) o;
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logger.fine(baseStr);
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File file = new File(baseStr);
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base = new FileRef(file.getAbsolutePath(), file.isDirectory());
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}
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return base;
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}
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private String getUserName() {
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String userName = null;
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Object p = getRequest().getUserPrincipal();
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if(p instanceof Principal) {
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userName = ((Principal) p).getName();
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}
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return userName;
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}
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}
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