From 2b3e7ec02b0156b1ffef323d9f12e7363225cf5c Mon Sep 17 00:00:00 2001 From: Ulrich <undisclosed> Date: Tue, 28 Feb 2017 11:25:07 +0000 Subject: [PATCH] Bestimmung des Orts der Dateiablage ueber Parameter oder hart kodiert fuer WebBox-Struktur --- src/java/de/uhilger/filecms/api/FileMgr.java | 257 ++++++++++++++++++++++++++++++++++++++++++-------- 1 files changed, 214 insertions(+), 43 deletions(-) diff --git a/src/java/de/uhilger/filecms/api/FileMgr.java b/src/java/de/uhilger/filecms/api/FileMgr.java index a597012..d045623 100644 --- a/src/java/de/uhilger/filecms/api/FileMgr.java +++ b/src/java/de/uhilger/filecms/api/FileMgr.java @@ -1,62 +1,233 @@ +/* + 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.FileSystem; +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.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 String deleteFiles(String relPath, List fileNames) { + String result = null; + try { + FileRef[] delRefs = new FileRef[fileNames.size()]; + 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()); + delRefs[i] = new FileRef(targetFile.getAbsolutePath(), targetFile.isDirectory()); + } + } + FileSystem fs = new LocalFileSystem(); + fs.delete(delRefs); + result = "deleted"; + } catch (Throwable 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(); + //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.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; + } + + /* 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; - } - - + */ + } -- Gitblit v1.9.3