| | |
| | | /* |
| | | 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.web.Initialiser; |
| | | import de.uhilger.filesystem.FileRef; |
| | | import de.uhilger.transit.web.RequestKontext; |
| | | import de.uhilger.transit.web.WebKontext; |
| | | import de.uhilger.filesystem.LocalFileSystem; |
| | | import java.io.File; |
| | | import java.io.FileNotFoundException; |
| | | import java.io.FileReader; |
| | | import java.io.FileWriter; |
| | | import java.io.IOException; |
| | | import java.io.StringReader; |
| | | import java.security.Principal; |
| | | import java.util.ArrayList; |
| | | import java.util.List; |
| | | import java.util.logging.Level; |
| | | import java.util.logging.Logger; |
| | | import javax.servlet.ServletContext; |
| | | import javax.servlet.http.HttpServletRequest; |
| | | |
| | | /** |
| | | * |
| | | * @author ulrich |
| | | */ |
| | | public class FileMgr implements WebKontext, RequestKontext { |
| | | public class FileMgr extends Api { |
| | | private static final Logger logger = Logger.getLogger(FileMgr.class.getName()); |
| | | |
| | | public static final String FILE_BASE = "fileBase"; |
| | | 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"; |
| | | |
| | | private ServletContext ctx; |
| | | private HttpServletRequest req; |
| | | |
| | | public FileRef getBase() { |
| | | FileRef ref = null; |
| | | //String fileBase = getServletContext().getInitParameter(FILE_BASE); |
| | | // -Dfilecms.base=/pfad/zu/daten |
| | | String fileBase = System.getProperty("filecms.base"); |
| | | File file = new File(fileBase); |
| | | logger.info(file.getAbsolutePath()); |
| | | logger.info(getWebappsDir().getAbsolutePath()); |
| | | ref = new FileRef(file.getAbsolutePath(), file.isDirectory()); |
| | | return ref; |
| | | public String hallo() { |
| | | return "Hallo Welt!"; |
| | | } |
| | | |
| | | public List<FileRef> list(String relPath) { |
| | | 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); |
| | | } else { |
| | | String path = getTargetDir(relPath).getAbsolutePath(); |
| | | logger.fine(path); |
| | | LocalFileSystem fs = new LocalFileSystem(); |
| | | FileRef[] fileRefs = fs.list(new FileRef(getTargetDir(relPath).getAbsolutePath(), true)); |
| | | for(int i = 0; i < fileRefs.length; i++) { |
| | | files.add(fileRefs[i]); |
| | | logger.finer("added " + fileRefs[i].getAbsolutePath()); |
| | | } |
| | | } |
| | | 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 FileRef saveTextFile(String relPath, String fileName, String contents) { |
| | | FileRef savedFile = null; |
| | | try { |
| | | FileRef datenRef = getBase(); |
| | | //File daten = new File(datenRef.getAbsolutePath()); |
| | | 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.finer(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.finer(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 FileRef) { |
| | | base = (FileRef) o; |
| | | } |
| | | return base; |
| | | } |
| | | |
| | | private String getUserName() { |
| | | String userName = null; |
| | | Object p = getRequest().getUserPrincipal(); |
| | | if(p instanceof Principal) { |
| | | userName = ((Principal) p).getName(); |
| | | } |
| | | return userName; |
| | | } |
| | | |
| | | /* |
| | | private File getWebappsDir() { |
| | | File cfile = new File(this.getClass().getResource(this.getClass().getSimpleName() + ".class").getFile()); |
| | | File cfile = new File(this.getClass().getResource( |
| | | this.getClass().getSimpleName() + ".class").getFile()); |
| | | String path = cfile.getAbsolutePath(); |
| | | return new File(path.substring(0, path.indexOf(req.getContextPath()))); |
| | | return new File(path.substring(0, path.indexOf(getRequest().getContextPath()))); |
| | | } |
| | | |
| | | @Override |
| | | public ServletContext getServletContext() { |
| | | return ctx; |
| | | } |
| | | |
| | | @Override |
| | | public void setServletContext(ServletContext servletContext) { |
| | | this.ctx = servletContext; |
| | | } |
| | | |
| | | @Override |
| | | public HttpServletRequest getRequest() { |
| | | return req; |
| | | } |
| | | |
| | | @Override |
| | | public void setRequest(HttpServletRequest r) { |
| | | this.req = r; |
| | | } |
| | | |
| | | |
| | | */ |
| | | |
| | | } |