From eb2a2d78152c7ca689e3aac116c107229a896a66 Mon Sep 17 00:00:00 2001
From: ulrich <undisclosed>
Date: Sat, 03 Mar 2018 19:34:54 +0000
Subject: [PATCH] Bug mit relativen Pfaden entfernt

---
 src/java/de/uhilger/filecms/api/FileMgr.java |  526 +++++++++++++++++++++++++++++++++++++++++++---------------
 1 files changed, 389 insertions(+), 137 deletions(-)

diff --git a/src/java/de/uhilger/filecms/api/FileMgr.java b/src/java/de/uhilger/filecms/api/FileMgr.java
index d045623..8e63002 100644
--- a/src/java/de/uhilger/filecms/api/FileMgr.java
+++ b/src/java/de/uhilger/filecms/api/FileMgr.java
@@ -18,140 +18,337 @@
 
 package de.uhilger.filecms.api;
 
-import de.uhilger.filecms.web.Initialiser;
-import de.uhilger.filesystem.FileRef;
-import de.uhilger.filesystem.FileSystem;
-import de.uhilger.filesystem.LocalFileSystem;
+import de.uhilger.filecms.data.Bild;
+import de.uhilger.filecms.data.FileRef;
+import de.uhilger.filecms.pub.AbstractComparator;
+import de.uhilger.filecms.pub.FileNameComparator;
+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.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 org.apache.commons.io.FileUtils;
 
 /**
- *
- * @author ulrich
+ * Methoden zur Verwaltung von Dateien
  */
 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!";
   }
   
+  /**
+   * 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.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());
+    if (!relPath.startsWith(".")) {
+      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);
+            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;
+    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 {
-      // kann eigentlich nicht sein..
+      return null;
     }
-    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 {
+    if (!relPath.startsWith(".")) {
+      Object p = getRequest().getUserPrincipal();
+      if (p instanceof Principal) {
+        Reader reader = null;
         try {
-          reader.close();
+          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) {
+    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 {
-      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());
+      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";
       }
-      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) {
+  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 {
-      FileRef datenRef = getBase();
-      //File daten = new File(datenRef.getAbsolutePath());
+      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);
@@ -166,68 +363,123 @@
         } 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());
+        saveToFile(targetFile, contents);
       }
-    } catch (IOException ex) {
-      logger.log(Level.SEVERE, null, ex);
     }
     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);
+      }
+
+      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";
+    } 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 ---- */
   
-  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());
-    String path = cfile.getAbsolutePath();
-    return new File(path.substring(0, path.indexOf(getRequest().getContextPath())));
-  }
-  */
-    
-}
+}
\ No newline at end of file

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