From b12c95e1d53caed954314ed5e42f0e54730df5cd Mon Sep 17 00:00:00 2001 From: ulrich <undisclosed> Date: Tue, 03 Apr 2018 07:40:16 +0000 Subject: [PATCH] Dateiablage als JNDI-Parameter eingebaut --- src/java/de/uhilger/filecms/api/FileMgr.java | 524 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++-- 1 files changed, 504 insertions(+), 20 deletions(-) diff --git a/src/java/de/uhilger/filecms/api/FileMgr.java b/src/java/de/uhilger/filecms/api/FileMgr.java index b7f7a70..2b8b985 100644 --- a/src/java/de/uhilger/filecms/api/FileMgr.java +++ b/src/java/de/uhilger/filecms/api/FileMgr.java @@ -1,34 +1,518 @@ +/* + 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.filesystem.FileRef; -import de.uhilger.transit.web.WebKontext; -import javax.servlet.ServletContext; +import de.uhilger.filecms.data.FileRef; +import de.uhilger.filecms.pub.AbstractComparator; +import de.uhilger.filecms.pub.FileNameComparator; +import de.uhilger.wbx.Bild; +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.Arrays; +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 net.coobird.thumbnailator.Thumbnails; +import org.apache.commons.io.FileUtils; /** - * - * @author ulrich + * Methoden zur Verwaltung von Dateien */ -public class FileMgr implements WebKontext { +public class FileMgr extends Api { + private static final Logger logger = Logger.getLogger(FileMgr.class.getName()); - public static final String FILE_BASE = "fileBase"; - private ServletContext ctx; + public static final int OP_COPY = 1; + public static final int OP_MOVE = 2; - public FileRef getBase() { - FileRef ref = null; - String fileBase = getServletContext().getInitParameter(FILE_BASE); - return ref; + 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) { + return listInt(relPath, "name", AbstractComparator.ORDER_ASC); + } + + public List<FileRef> listOrdered(String relPath, String orderBy, String order) { + return listInt(relPath, orderBy, order); + } + + /** + * 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 + * @param orderBy 'name' + * @param order AbstractComparator.ORDER_ASC oder AbstractComparator.ORDER_DESC + * @return + */ + private List<FileRef> listInt(String relPath, String orderBy, String order) { + Bild bild = new Bild(); + List<FileRef> files = new ArrayList(); + if (!relPath.startsWith(".") && !relPath.contains("WEB-INF") && !relPath.contains("META-INF")) { + 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()); + FileRef namedDavFolder = new FileRef(DAV_DIR_NAME, true); + logger.finer(namedDavFolder.getAbsolutePath()); + files = new ArrayList(); + files.add(namedHomeFolder); + files.add(namedPublicFolder); + files.add(namedDavFolder); + 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(); + if (orderBy != null && orderBy.equalsIgnoreCase("name")) { + Arrays.sort(fileArray, new FileNameComparator(order)); + } else { + Arrays.sort(fileArray, new FileNameComparator(AbstractComparator.ORDER_ASC)); + } + 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); + if(!fname.contains("WEB-INF") && !fname.contains("META-INF")) { + long fLen = fileArray[i].length(); + long lastMod = fileArray[i].lastModified(); + FileRef ref = new FileRef(fname, fileArray[i].isDirectory(), fileArray[i].isHidden(), lastMod, fLen); + ref.setMimetype(bild.getMimeType(fileArray[i])); + files.add(ref); + } + } + } + } + } + return files; + } + + + public FileRef newFolder(String relPath, String folderName) { + if (!relPath.startsWith(".")) { + 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); + } else { + return null; + } + } + + public String getCode(String relPath, String fileName) { + String code = null; + if (!relPath.startsWith(".")) { + Object p = getRequest().getUserPrincipal(); + if (p instanceof Principal) { + Reader reader = null; + try { + File targetFile = new File(getTargetDir(relPath), fileName); - @Override - public ServletContext getServletContext() { - return ctx; - } + //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); + } + } - @Override - public void setServletContext(ServletContext servletContext) { - this.ctx = servletContext; + } + } + return code; } + + public String renameFile(String relPath, String fname, String newName) { + if (!relPath.startsWith(".")) { + File targetDir = getTargetDir(relPath); + File file = new File(targetDir, fname); + file.renameTo(new File(targetDir, newName)); + return fname + " umbenannt zu " + newName; + } else { + return "Pfad nicht erlaubt."; + } + } + + public String deleteFiles(String relPath, List fileNames) { + String result = null; + try { + logger.fine(fileNames.toString()); + if (!relPath.startsWith(".")) { + 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 { + if (!fromPath.startsWith(".")) { + 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); + if (!relPath.startsWith(".")) { + //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); + if (!relPath.startsWith(".")) { + //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) { + if (!relPath.startsWith(".")) { + 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); + } + + // 120, 240, 500, 700, 1200 + + + 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()); + try { + Thumbnails.of(original) + .size(bild.getVariantenGroesse(i), bild.getVariantenGroesse(i)) + .keepAspectRatio(true) + .outputQuality(0.7) + .toFile(newImgFile); + } catch (IOException ex) { + logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex); + } + } + return "ok"; + } else { + return "Pfad micht erlaubt."; + } + } + + public String bildRotieren(String relPath, String bildName) { + if (!relPath.startsWith(".")) { + File dir = getTargetDir(relPath); + File original = new File(dir, bildName); + + String ext = ""; + String nurname = bildName; + int dotpos = bildName.indexOf("."); + if (dotpos > -1) { + ext = bildName.substring(dotpos); + nurname = bildName.substring(0, dotpos); + } + + StringBuffer buf = new StringBuffer(); + buf.append(nurname); + buf.append("-rot"); + buf.append(ext); + File newImgFile = new File(dir, buf.toString()); + + logger.fine("original: " + original.getAbsolutePath() + " newImgFile: " + newImgFile.getAbsolutePath()); + + try { + Thumbnails.of(original) + .scale(1) + .rotate(90) + .toFile(newImgFile); + } catch (IOException ex) { + logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex); + } + + + return "ok"; + } else { + return "Pfad micht erlaubt."; + } + } + public String extractZipfile(String relPath, String filename) { + String result = null; + if (!relPath.startsWith(".")) { + 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 ---- */ + +} \ No newline at end of file -- Gitblit v1.9.3