From 438b168cad54853a8b419e6c19e639b6d2f70bc0 Mon Sep 17 00:00:00 2001
From: ulrich <undisclosed>
Date: Wed, 08 Mar 2017 06:42:10 +0000
Subject: [PATCH] Bild verkleinern (in Arbeit)

---
 src/java/de/uhilger/filecms/api/FileMgr.java |  465 ++++++++++++++++++++++++++++++++++++++++++++--------------
 1 files changed, 352 insertions(+), 113 deletions(-)

diff --git a/src/java/de/uhilger/filecms/api/FileMgr.java b/src/java/de/uhilger/filecms/api/FileMgr.java
index 31e1ac1..3e1073c 100644
--- a/src/java/de/uhilger/filecms/api/FileMgr.java
+++ b/src/java/de/uhilger/filecms/api/FileMgr.java
@@ -1,146 +1,385 @@
+/*
+    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.RequestKontext;
-import de.uhilger.transit.web.WebKontext;
+import de.uhilger.filecms.data.FileRef;
+import de.uhilger.filecms.web.Initialiser;
+import de.uhilger.wbx.Bild;
+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.FileReader;
 import java.io.FileWriter;
 import java.io.IOException;
+import java.io.Reader;
 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 javax.servlet.ServletContext;
-import javax.servlet.http.HttpServletRequest;
+import org.apache.commons.io.FileUtils;
 
 /**
  *
  * @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 static final int OP_COPY = 1;
+  public static final int OP_MOVE = 2;
   
   public String hallo() {
     return "Hallo Welt!";
   }
   
-  // http://localhost:8097/file-cms/rpc/de.uhilger.filecms.api.FileMgr/getBase/JSONNICE
-  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());
-    
-    /* 
-        file = new File("."); liefert 
-        /home/ulrich/dev/lib/java/tomcat/tomcat2-8.5.9/bin/.
-    
-        ..auf der WebBox aber
-        /home/ulrich/srv/wbx_probe/.
-        ..weil das Startskript dort liegt
-    
-        der Tomcat der WebBox ist unter
-        sys/jrs/tomcat/bin
-    
-        also z.B.
-        /home/ulrich/srv/wbx_probe/sys/jrs/tomcat/bin
-
-        das Datenverzeichnis ist z.B. auf
-        /home/ulrich/srv/wbx_probe/daten
-    
-        dann ist das Datenverzeichnis unter
-        ../../../daten
-    
-        Der Ausdruck file = new File("."); liefert stets den 
-        Ort von dem aus der Java-Prozess gestartet wurde.
-    
-        Die unten folgende Bestimmung des Datenverzeichnisses 
-        ist beschraenkt auf das Datenverzeichnis der WebBox, 
-        entweder relativ zum Startskript der WebBox oder 
-        dem Startskript von Tomcat, wie es aus Netbeans heraus 
-        waehrend der Entwicklung genutzt wird.
-    
-        Besser ware vielleicht eine Bestimmung ueber einen 
-        Systemparameter -Dfilecms.base=... wie weiter oben 
-        auskommentiert. Damit liesse sich das file-cms auch 
-        ohne WebBox einsetzen. Allerdings muss dann das 
-        Datenverzeichnis im Start-Skript gebildet werden, 
-        also ausserhalb von Java, wenn es dynamisch aus 
-        einem Pfad relativ zum Start-Skript erzeugt werden 
-        soll.
-    */
-    
-    File file = new File(".");
-    String path = file.getAbsolutePath();
-    path = path.substring(0, path.length() - 1);
-    file = new File(path);
-    if(path.endsWith("bin")) {
-      file = file.getParentFile().getParentFile().getParentFile();
+  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 {
-      
-    }
-    file = new File(file, "daten/");
-    ref = new FileRef(file.getAbsolutePath(), file.isDirectory());
-    return ref;
+      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 saveTextFile(String relPath, String fileName, String contents) {
-    FileRef savedFile = null;
+  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) {
+      Reader reader = null;
+      try {
+        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) {
+    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 {
-      FileRef datenRef = getBase();
-      File daten = new File(datenRef.getAbsolutePath());
-      Object p = getRequest().getUserPrincipal();
-      if(p instanceof Principal) {
-        File userDir = new File(daten, "www/" + ((Principal) p).getName());
-        File saveDir = new File(userDir, relPath);
-        File targetFile = new File(saveDir, fileName);
-        if(!targetFile.exists()) {
-          targetFile.mkdirs();
-          targetFile.createNewFile();
-          FileWriter w = new FileWriter(targetFile);
-          w.write(contents);
-          w.flush();
-          w.close();
+      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) {
+    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 {
+      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, null, 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);
+    //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 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(req.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;
-  }
-
+  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);
+    //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) {
+    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), original.getAbsolutePath(), 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";
+  }
+
+  /* ---- 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;
+  }    
+}
\ No newline at end of file

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