/*
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 .
*/
package de.uhilger.filecms.api;
import de.uhilger.filecms.data.FileRef;
import de.uhilger.filecms.web.Initialiser;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.security.Principal;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
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 String PUB_DIR_PATH = "www/";
public static final String HOME_DIR_PATH = "home/";
public static final String PUB_DIR_NAME = "Oeffentlich";
public static final String HOME_DIR_NAME = "Persoenlicher Ordner";
public static final int OP_COPY = 1;
public static final int OP_MOVE = 2;
public String hallo() {
return "Hallo Welt!";
}
public List list(String relPath) {
List 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);
} 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);
files.add(new FileRef(fname, fileArray[i].isDirectory()));
}
}
}
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) {
FileReader reader = null;
try {
File targetFile = new File(getTargetDir(relPath), fileName);
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) {
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()) {
logger.fine("copy dir " + srcFile.getAbsolutePath() + " to dir " + targetDir.getAbsolutePath());
FileUtils.copyDirectoryToDirectory(srcFile, targetDir);
} else {
logger.fine("copy srcFile " + srcFile.getAbsolutePath() + " to dir " + targetDir.getAbsolutePath());
FileUtils.copyFileToDirectory(srcFile, targetDir);
}
}
}
} catch (IOException ex) {
logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex);
}
return result;
}
public String moveFiles(String fromPath, String toPath, List fileNames) {
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()) {
FileUtils.moveDirectoryToDirectory(srcFile, targetDir, false);
} else {
FileUtils.moveFileToDirectory(srcFile, targetDir, false);
}
}
}
} catch (IOException ex) {
logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex);
}
return result;
}
public FileRef saveTextFile(String relPath, String fileName, String contents) {
FileRef savedFile = null;
try {
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();
}
targetFile.createNewFile();
FileWriter w = new FileWriter(targetFile);
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, null, ex);
}
return savedFile;
}
/* ---- Hilfsfunktionen ---- */
private File getTargetDir(String relPath) {
logger.fine(relPath);
String targetPath = null;
if(relPath.startsWith(PUB_DIR_NAME)) {
targetPath = PUB_DIR_PATH + getUserName() + relPath.substring(PUB_DIR_NAME.length());
} else if(relPath.startsWith(HOME_DIR_NAME)) {
targetPath = HOME_DIR_PATH + getUserName() + relPath.substring(HOME_DIR_NAME.length());
} else {
// kann eigentlich nicht sein..
}
logger.fine(targetPath);
File targetDir = new File(getBase().getAbsolutePath(), targetPath);
return targetDir;
}
private FileRef getBase() {
FileRef base = null;
Object o = getServletContext().getAttribute(Initialiser.FILE_BASE);
if(o instanceof String) {
String baseStr = (String) o;
logger.fine(baseStr);
File file = new File(baseStr);
base = new FileRef(file.getAbsolutePath(), file.isDirectory());
}
return base;
}
private String getUserName() {
String userName = null;
Object p = getRequest().getUserPrincipal();
if(p instanceof Principal) {
userName = ((Principal) p).getName();
}
return userName;
}
}