/*
|
Dateiverwaltung - File management in your browser
|
Copyright (C) 2017 Ulrich Hilger, http://uhilger.de
|
|
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 de.uhilger.filecms.api;
|
|
import de.uhilger.filecms.data.FileRef;
|
import de.uhilger.filecms.web.Initialiser;
|
import de.uhilger.wbx.Bild;
|
import java.awt.Container;
|
import java.awt.Image;
|
import java.awt.MediaTracker;
|
import java.awt.Toolkit;
|
import java.io.File;
|
import java.io.FileNotFoundException;
|
import java.io.FileOutputStream;
|
import java.io.FileReader;
|
import java.io.FileWriter;
|
import java.io.IOException;
|
import java.io.InputStream;
|
import java.io.Reader;
|
import java.security.Principal;
|
import java.util.ArrayList;
|
import java.util.Enumeration;
|
import java.util.Iterator;
|
import java.util.List;
|
import java.util.logging.Level;
|
import java.util.logging.Logger;
|
import java.util.zip.ZipEntry;
|
import java.util.zip.ZipFile;
|
import org.apache.commons.io.FileUtils;
|
|
/**
|
*
|
* @author ulrich
|
*/
|
public class FileMgr extends Api {
|
private static final Logger logger = Logger.getLogger(FileMgr.class.getName());
|
|
|
public static final int OP_COPY = 1;
|
public static final int OP_MOVE = 2;
|
|
public String hallo() {
|
return "Hallo Welt!";
|
}
|
|
/**
|
* Inhalte der WebBox listen. Hier wird nur der relative Pfad
|
* ausgehend von www oder home ausgegeben sowie zudem ausgehend
|
* von $daten und $basis, sofern der Benutzer die Rolle wbxAdmin hat.
|
*
|
* Andere Inhalte werden nicht ausgegeben.
|
*
|
* @param relPath
|
* @return
|
*/
|
public List<FileRef> list(String relPath) {
|
Bild bild = new Bild();
|
List<FileRef> files = new ArrayList();
|
if(relPath.length() == 0) {
|
FileRef namedPublicFolder = new FileRef(PUB_DIR_NAME, true);
|
logger.finer(namedPublicFolder.getAbsolutePath());
|
FileRef namedHomeFolder = new FileRef(HOME_DIR_NAME, true);
|
logger.finer(namedHomeFolder.getAbsolutePath());
|
files = new ArrayList();
|
files.add(namedHomeFolder);
|
files.add(namedPublicFolder);
|
if(getRequest().isUserInRole(WBX_ADMIN_ROLE)) {
|
FileRef namedBaseFolder = new FileRef(WBX_BASE, true);
|
FileRef namedDataFolder = new FileRef(WBX_DATA, true);
|
files.add(namedBaseFolder);
|
files.add(namedDataFolder);
|
}
|
} else {
|
String path = getTargetDir(relPath).getAbsolutePath();
|
logger.fine("listing path: " + path);
|
File dir = new File(path);
|
if(dir.exists()) {
|
File[] fileArray = dir.listFiles();
|
for(int i = 0; i < fileArray.length; i++) {
|
logger.fine(fileArray[i].toURI().toString());
|
String fname = fileArray[i].toURI().toString().replace("file:/", "");
|
if(fileArray[i].isDirectory()) {
|
fname = fname.substring(0, fname.length() - 1);
|
}
|
logger.fine(fname);
|
FileRef ref = new FileRef(fname, fileArray[i].isDirectory());
|
ref.setMimetype(bild.getMimeType(fileArray[i]));
|
files.add(ref);
|
}
|
}
|
}
|
return files;
|
}
|
|
public FileRef newFolder(String relPath, String folderName) {
|
logger.finer(relPath);
|
String targetPath = null;
|
if(relPath.startsWith(PUB_DIR_NAME)) {
|
targetPath = PUB_DIR_PATH + getUserName() + "/" + relPath.substring(PUB_DIR_NAME.length()) + "/" + folderName;
|
} else if(relPath.startsWith(HOME_DIR_NAME)) {
|
targetPath = HOME_DIR_PATH + getUserName() + "/" + relPath.substring(HOME_DIR_NAME.length()) + "/" + folderName;
|
} else {
|
// kann eigentlich nicht sein..
|
}
|
logger.finer(targetPath);
|
File targetDir = new File(getBase().getAbsolutePath(), targetPath);
|
targetDir.mkdirs();
|
return new FileRef(targetDir.getAbsolutePath(), true);
|
}
|
|
public String getCode(String relPath, String fileName) {
|
String code = null;
|
|
Object p = getRequest().getUserPrincipal();
|
if(p instanceof Principal) {
|
Reader reader = null;
|
try {
|
File targetFile = new File(getTargetDir(relPath), fileName);
|
|
//reader = new InputStreamReader(new FileInputStream(targetFile), "UTF8");
|
|
reader = new FileReader(targetFile);
|
StringBuffer buf = new StringBuffer();
|
char[] readBuffer = new char[1024];
|
int charsRead = reader.read(readBuffer);
|
while(charsRead > -1) {
|
buf.append(readBuffer, 0, charsRead);
|
charsRead = reader.read(readBuffer);
|
}
|
code = buf.toString();
|
} catch (FileNotFoundException ex) {
|
Logger.getLogger(FileMgr.class.getName()).log(Level.SEVERE, null, ex);
|
} catch (IOException ex) {
|
Logger.getLogger(FileMgr.class.getName()).log(Level.SEVERE, null, ex);
|
} finally {
|
try {
|
reader.close();
|
} catch (IOException ex) {
|
Logger.getLogger(FileMgr.class.getName()).log(Level.SEVERE, null, ex);
|
}
|
}
|
|
}
|
|
return code;
|
}
|
|
public String renameFile(String relPath, String fname, String newName) {
|
File targetDir = getTargetDir(relPath);
|
File file = new File(targetDir, fname);
|
file.renameTo(new File(targetDir, newName));
|
return fname + " umbenannt zu " + newName;
|
}
|
|
public String deleteFiles(String relPath, List fileNames) {
|
String result = null;
|
try {
|
logger.fine(fileNames.toString());
|
File targetDir = getTargetDir(relPath);
|
for(int i=0; i < fileNames.size(); i++) {
|
Object o = fileNames.get(i);
|
if(o instanceof ArrayList) {
|
ArrayList al = (ArrayList) o;
|
logger.fine(al.get(0).toString());
|
File targetFile = new File(targetDir, al.get(0).toString());
|
logger.fine(targetFile.getAbsolutePath());
|
if(targetFile.isDirectory()) {
|
FileUtils.deleteDirectory(targetFile);
|
} else {
|
targetFile.delete();
|
}
|
}
|
}
|
result = "deleted";
|
} catch (Throwable ex) {
|
logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex);
|
}
|
return result;
|
}
|
|
public String copyFiles(String fromPath, String toPath, List fileNames) {
|
return copyOrMoveFiles(fromPath, toPath, fileNames, OP_COPY);
|
}
|
|
public String moveFiles(String fromPath, String toPath, List fileNames) {
|
return copyOrMoveFiles(fromPath, toPath, fileNames, OP_MOVE);
|
}
|
|
private String copyOrMoveFiles(String fromPath, String toPath, List fileNames, int operation) {
|
String result = null;
|
try {
|
File srcDir = getTargetDir(fromPath);
|
File targetDir = getTargetDir(toPath);
|
Iterator i = fileNames.iterator();
|
while(i.hasNext()) {
|
Object o = i.next();
|
if (o instanceof ArrayList) {
|
ArrayList al = (ArrayList) o;
|
File srcFile = new File(srcDir, al.get(0).toString());
|
if(srcFile.isDirectory()) {
|
if(operation == OP_MOVE) {
|
FileUtils.moveDirectoryToDirectory(srcFile, targetDir, false);
|
} else {
|
FileUtils.copyDirectoryToDirectory(srcFile, targetDir);
|
}
|
} else {
|
if(operation == OP_MOVE) {
|
FileUtils.moveFileToDirectory(srcFile, targetDir, false);
|
} else {
|
FileUtils.copyFileToDirectory(srcFile, targetDir);
|
}
|
}
|
}
|
}
|
} catch (IOException ex) {
|
logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex);
|
}
|
return result;
|
}
|
|
public FileRef saveTextFileAs(String relPath, String fileName, String contents) {
|
FileRef savedFile = null;
|
logger.fine(relPath + " " + fileName);
|
//FileRef datenRef = getBase();
|
Object p = getRequest().getUserPrincipal();
|
if(p instanceof Principal) {
|
File targetFile = new File(getTargetDir(relPath), fileName);
|
if(targetFile.exists()) {
|
targetFile = getNewFileName(targetFile);
|
} else {
|
targetFile.getParentFile().mkdirs();
|
}
|
saveToFile(targetFile, contents);
|
}
|
return savedFile;
|
}
|
|
private File getNewFileName(File file) {
|
File dir = file.getParentFile();
|
String targetName = file.getName();
|
logger.fine("targetName: " + targetName);
|
String ext = "";
|
int dotpos = targetName.indexOf(".");
|
if(dotpos > -1) {
|
ext = targetName.substring(dotpos);
|
targetName = targetName.substring(0, dotpos);
|
}
|
logger.fine("targetName: " + targetName + ", ext: " + ext);
|
int i = 1;
|
while(file.exists()) {
|
StringBuffer buf = new StringBuffer();
|
buf.append(targetName);
|
buf.append("-");
|
buf.append(i);
|
if(ext.length() > 0) {
|
buf.append(ext);
|
}
|
file = new File(dir, buf.toString());
|
i++;
|
}
|
logger.fine("new file: " + file.getName());
|
return file;
|
}
|
|
private FileRef saveToFile(File targetFile, String contents) {
|
FileRef savedFile = null;
|
try {
|
targetFile.createNewFile();
|
FileWriter w = new FileWriter(targetFile);
|
//w.write(StringEscapeUtils.unescapeHtml(contents));
|
w.write(contents);
|
w.flush();
|
w.close();
|
savedFile = new FileRef(
|
targetFile.getAbsolutePath(),
|
targetFile.isDirectory(),
|
targetFile.isHidden(),
|
targetFile.lastModified(),
|
targetFile.length());
|
} catch (IOException ex) {
|
logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex);
|
}
|
return savedFile;
|
}
|
|
public FileRef saveTextFile(String relPath, String fileName, String contents) {
|
FileRef savedFile = null;
|
logger.fine(relPath + " " + fileName);
|
//FileRef datenRef = getBase();
|
Object p = getRequest().getUserPrincipal();
|
if(p instanceof Principal) {
|
File targetFile = new File(getTargetDir(relPath), fileName);
|
if(targetFile.exists()) {
|
/*
|
muss delete() sein?
|
pruefen: ueberschreibt der FileWriter den alteen Inhalt oder
|
entsteht eine unerwuenschte Mischung aus altem und neuem
|
Inhalt?
|
*/
|
targetFile.delete();
|
} else {
|
targetFile.getParentFile().mkdirs();
|
}
|
saveToFile(targetFile, contents);
|
}
|
return savedFile;
|
}
|
|
public String bildVerkleinern(String relPath, String bildName) {
|
File dir = getTargetDir(relPath);
|
File original = new File(dir, bildName);
|
Bild bild = new Bild();
|
//for (int i = 0; i < Bild.GR.length; i++) {
|
|
//int gr = bild.getVariantenGroesse(i);
|
|
String ext = "";
|
String nurname = bildName;
|
int dotpos = bildName.indexOf(".");
|
if (dotpos > -1) {
|
ext = bildName.substring(dotpos);
|
nurname = bildName.substring(0, dotpos);
|
}
|
|
Image image = Toolkit.getDefaultToolkit().getImage(original.getAbsolutePath());
|
MediaTracker mediaTracker = new MediaTracker(new Container());
|
mediaTracker.addImage(image, 0);
|
try {
|
mediaTracker.waitForID(0);
|
|
if(!mediaTracker.isErrorAny()) {
|
for(int i = 0; i < Bild.GR.length; i++) {
|
StringBuffer buf = new StringBuffer();
|
buf.append(nurname);
|
buf.append(bild.getVariantenName(i));
|
buf.append(ext);
|
File newImgFile = new File(dir, buf.toString());
|
if(!newImgFile.exists()) {
|
logger.fine(original.getAbsolutePath() + " " + newImgFile.getAbsolutePath());
|
bild.writeImageFile(image, bild.getVariantenGroesse(i), bild.getMimeType(original), newImgFile.getAbsolutePath());
|
//bild.writeImageFile(image, photo.getVariantenGroesse(i), photo.getMimetype(), photo.getAbsolutePath(basisPfad), photo.getVariantenName(basisPfad, i));
|
}
|
}
|
}
|
} catch(IOException | InterruptedException ex) {
|
logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex);
|
}
|
|
return "ok";
|
}
|
|
public String extractZipfile(String relPath, String filename) {
|
String result;
|
try {
|
File targetDir = getTargetDir(relPath);
|
File archive = new File(targetDir, filename);
|
if(extract(archive)) {
|
result = "ok";
|
} else {
|
result = "error while extracting";
|
}
|
} catch(Exception ex) {
|
result = ex.getLocalizedMessage();
|
logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex);
|
}
|
return result;
|
}
|
|
/**
|
* extract a given ZIP archive to the folder respective archive resides in
|
* @param archive the archive to extract
|
* @throws Exception
|
*/
|
private boolean extract(File archive) throws Exception {
|
ZipFile zipfile = new ZipFile(archive);
|
Enumeration en = zipfile.entries();
|
while(en.hasMoreElements()) {
|
ZipEntry zipentry = (ZipEntry) en.nextElement();
|
unzip(zipfile, zipentry, archive.getParent());
|
}
|
zipfile.close();
|
return true;
|
}
|
|
/**
|
* unzip a given entry of a given zip file to a given location
|
* @param zipfile the zip file to read an entry from
|
* @param zipentry the zip entry to read
|
* @param destPath the path to the destination location for the extracted content
|
* @throws IOException
|
*/
|
private void unzip(ZipFile zipfile, ZipEntry zipentry, String destPath) throws IOException {
|
byte buf[] = new byte[1024];
|
InputStream is = zipfile.getInputStream(zipentry);
|
String outFileName = destPath + File.separator + zipentry.getName();
|
File file = new File(outFileName);
|
if(!zipentry.isDirectory()) {
|
file.getParentFile().mkdirs();
|
if(!file.exists())
|
file.createNewFile();
|
FileOutputStream fos = new FileOutputStream(file);
|
int i = is.read(buf, 0, 1024);
|
while(i > -1) {
|
fos.write(buf, 0, i);
|
i = is.read(buf, 0, 1024);
|
}
|
fos.close();
|
is.close();
|
} else {
|
file.mkdirs();
|
}
|
}
|
|
|
|
/* ---- Hilfsfunktionen ---- */
|
|
}
|
