From 342aebc6b1143ab81a626a71b8bf7ce15eb5f361 Mon Sep 17 00:00:00 2001
From: ulrich
Date: Mon, 15 Jan 2024 17:40:11 +0000
Subject: [PATCH] Zentrale Methode mit Dateioperationen von FileMAnager nach Writer ausgelagert.
---
src/de/uhilger/httpserver/cm/FileManager.java | 446 +++----------------------------------------------------
1 files changed, 25 insertions(+), 421 deletions(-)
diff --git a/src/de/uhilger/httpserver/cm/FileManager.java b/src/de/uhilger/httpserver/cm/FileManager.java
index f40b401..f754a93 100644
--- a/src/de/uhilger/httpserver/cm/FileManager.java
+++ b/src/de/uhilger/httpserver/cm/FileManager.java
@@ -17,38 +17,15 @@
*/
package de.uhilger.httpserver.cm;
-import de.uhilger.httpserver.cm.actor.Zipper;
-import de.uhilger.httpserver.cm.actor.Eraser;
-import de.uhilger.httpserver.cm.actor.Unzipper;
-import de.uhilger.httpserver.cm.actor.Renamer;
-import com.google.gson.Gson;
import com.sun.net.httpserver.Authenticator;
-import com.sun.net.httpserver.Headers;
import com.sun.net.httpserver.HttpExchange;
import de.uhilger.httpserver.base.HttpResponder;
import de.uhilger.httpserver.base.HttpHelper;
import de.uhilger.httpserver.base.handler.FileHandler;
-import de.uhilger.httpserver.image.Datei;
-import de.uhilger.httpserver.image.ImageActor;
-import de.uhilger.httpserver.image.ImageThread;
-import de.uhilger.httpserver.image.ImageThread.ThreadListener;
+import de.uhilger.httpserver.cm.actor.Lister;
+import de.uhilger.httpserver.cm.actor.Writer;
import de.uhilger.httpserver.oauth.BearerAuthenticator;
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.FileOutputStream;
import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.io.OutputStream;
-import java.net.URLDecoder;
-import java.nio.file.DirectoryStream;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-import java.util.logging.Logger;
-import java.util.logging.Level;
/**
* <p>Der FileManager verknuepft einen HTTP-Endpunkt mit einem Ordner des lokalen
@@ -100,7 +77,7 @@
* @author Ulrich Hilger
* @version 1, 13. Mai 2021
*/
-public class FileManager extends FileHandler implements ThreadListener {
+public class FileManager extends FileHandler {
/*
private static final String[] specialChars = {new String("\u00c4"), new String("\u00d6"),
@@ -128,21 +105,6 @@
public static final String ATTR_ROLE = "role";
- private final List waitingThreads;
- private final int maxThreads;
- private int threadCount;
- //private String role;
-
- //public FileManager(String absoluteDirectoryPathAndName, String role, String ctx) {
- public FileManager() {
- //super(absoluteDirectoryPathAndName, ctx);
- //super(absoluteDirectoryPathAndName);
- waitingThreads = new ArrayList();
- maxThreads = 4;
- threadCount = 0;
- //this.role = role;
- }
-
@Override
public void handle(HttpExchange e) throws IOException {
Authenticator a = e.getHttpContext().getAuthenticator();
@@ -156,227 +118,41 @@
HttpHelper helper = new HttpHelper();
switch (method) {
case HttpHelper.HTTP_GET:
- liste(e, helper);
+ String path = e.getRequestURI().toString();
+ if (path.endsWith(STR_SLASH)) {
+ String json = new Lister().liste(helper.getFileName(e),
+ e.getHttpContext().getPath(),
+ e.getHttpContext().getAttributes().get(FileHandler.ATTR_FILE_BASE).toString(),
+ path);
+ if(null != json) {
+ HttpResponder r = new HttpResponder();
+ r.antwortSenden(e, SC_OK, json);
+ } else {
+ emptyListResponse(e);
+ }
+ } else {
+ new Lister().b64Action(helper.getFileName(e),
+ e.getHttpContext().getAttributes().get(FileHandler.ATTR_FILE_BASE).toString());
+ super.handle(e);
+ }
break;
case HttpHelper.HTTP_PUT:
- put(e, helper);
+ new Writer().put(e, helper);
break;
case HttpHelper.HTTP_POST:
- speichern(e, helper);
+ new Writer().speichern(e, helper);
break;
case HttpHelper.HTTP_DELETE:
- loeschen(e, helper);
+ new Writer().loeschen(e, helper);
break;
}
} else {
- standardHeaderUndAntwort(e, SC_FORBIDDEN, "Fehlende Rolle.");
+ new Writer().standardHeaderUndAntwort(e, SC_FORBIDDEN, "Fehlende Rolle.");
}
} else {
- standardHeaderUndAntwort(e, SC_FORBIDDEN, "Fehlende Rolle.");
+ new Writer().standardHeaderUndAntwort(e, SC_FORBIDDEN, "Fehlende Rolle.");
}
}
-
- private void put(HttpExchange exchange, HttpHelper helper) throws IOException {
- String query = exchange.getRequestURI().getQuery();
- if (query != null) {
- String[] params = query.split("=");
- for (String param : params) {
- //logger.fine("param: " + param);
- }
- switch (params[0]) {
- case P_COPY:
- copyOrMove(exchange, params[1], helper.getFileName(exchange), OP_COPY);
- break;
- case P_MOVE:
- copyOrMove(exchange, params[1], helper.getFileName(exchange), OP_MOVE);
- break;
- case P_DUPLICATE:
- if(Boolean.parseBoolean(params[1])) {
- String neuerDateiName = duplizieren(exchange, helper);
- //logger.fine("neuer Name: " + neuerDateiName);
- standardHeaderUndAntwort(exchange, SC_OK, neuerDateiName);
- }
- break;
- case P_RENAME:
- String neuerDateiName = new Renamer().umbenennen(exchange, helper, params[1]);
- //logger.fine("neuer Name: " + neuerDateiName);
- standardHeaderUndAntwort(exchange, SC_OK, neuerDateiName);
- break;
- case P_ZIP:
- String path = exchange.getRequestURI().toString();
- //logger.fine(path);
- String antwort = new Zipper().packFolder(helper.getFileName(exchange), path, exchange.getHttpContext().getAttributes().get(FileHandler.ATTR_FILE_BASE).toString());
- if(antwort.equalsIgnoreCase("ok")) {
- standardHeaderUndAntwort(exchange, SC_OK, antwort);
- } else {
- standardHeaderUndAntwort(exchange, SC_UNPROCESSABLE_ENTITY, antwort);
- }
- break;
- case P_UNZIP:
- path = exchange.getRequestURI().toString();
- //logger.fine(path);
- antwort = new Unzipper().extractZipfile(helper.getFileName(exchange), path, exchange.getHttpContext().getAttributes().get(FileHandler.ATTR_FILE_BASE).toString());
- if(antwort.equalsIgnoreCase("ok")) {
- standardHeaderUndAntwort(exchange, SC_OK, antwort);
- } else {
- standardHeaderUndAntwort(exchange, SC_UNPROCESSABLE_ENTITY, antwort);
- }
- break;
- }
- } else {
- speichern(exchange, helper);
- }
- }
-
- public class DirList {
- private String pfad;
- private List<Datei> dateien;
-
- public String getPfad() {
- return pfad;
- }
-
- public void setPfad(String pfad) {
- this.pfad = pfad;
- }
-
- public List<Datei> getDateien() {
- return dateien;
- }
-
- public void setDateien(List<Datei> dateien) {
- this.dateien = dateien;
- }
-
-
- }
-
- private void liste(HttpExchange e, HttpHelper helper) throws IOException {
- String path = e.getRequestURI().toString();
- //logger.fine(path);
- String fName = helper.getFileName(e);
- String dirListPath = e.getHttpContext().getPath() + fName;
- if (path.endsWith(STR_SLASH)) {
- //logger.fine("fName: " + fName);
- File dir = new File(e.getHttpContext().getAttributes().get(FileHandler.ATTR_FILE_BASE).toString(), fName);
- //logger.fine("absPath: " + dir.getAbsolutePath());
- File[] files = dir.listFiles(new ImageFileFilter());
- if(files != null && files.length > 0) {
- Arrays.sort(files);
- ArrayList liste = new ArrayList();
- for (File file : files) {
- Datei datei = new Datei();
- String dateiName = file.getName();
- datei.setName(dateiName);
- if (file.isDirectory()) {
- datei.setTyp(Datei.TYP_ORDNER);
- } else {
- datei.setTyp(Datei.TYP_DATEI);
- }
- //datei.setPfad(e.getHttpContext().getPath() + fName);
- String lowerName = dateiName.toLowerCase();
- if (lowerName.endsWith(ImageActor.JPEG)
- || lowerName.endsWith(ImageActor.JPG)
- || lowerName.endsWith(ImageActor.PNG)) {
- datei.setBild(true);
- String ext = dateiName.substring(dateiName.lastIndexOf(STR_DOT));
- String ohneExt = dateiName.substring(0, dateiName.lastIndexOf(STR_DOT));
- datei.setMiniurl(ohneExt + ImageActor.TN + ext);
- buildImgSrc(file, datei, ohneExt, ext);
- }
- liste.add(datei);
- }
- while(threadCount > 0) {
- try {
- Thread.sleep(50);
- } catch (InterruptedException ex) {
- Logger.getLogger(FileManager.class.getName()).log(Level.SEVERE, null, ex);
- }
- }
- if(liste.size() > 0) {
- DirList list = new DirList();
- list.setPfad(dirListPath);
- list.setDateien(liste);
- Gson gson = new Gson();
- //String json = gson.toJson(liste);
- String json = gson.toJson(list);
- //byte[] bytes = json.getBytes();
- //logger.fine("json: '" + json + "'");
- HttpResponder r = new HttpResponder();
- r.antwortSenden(e, SC_OK, json);
- } else {
- emptyListResponse(e);
- }
- } else {
- emptyListResponse(e);
- }
- } else {
- String lowerName = fName.toLowerCase();
- if(lowerName.contains(ImageActor.B64)) {
- ImageActor actor = new ImageActor();
- String fromName = fName.replace(ImageActor.B64, "");
- File fromFile = new File(e.getHttpContext().getAttributes().get(FileHandler.ATTR_FILE_BASE).toString(), fromName);
- File toFile = new File(e.getHttpContext().getAttributes().get(FileHandler.ATTR_FILE_BASE).toString(), fName);
- //logger.fine("from " + fromFile.getAbsolutePath() + ", to " + toFile.getAbsolutePath());
- if(!toFile.exists()) {
- actor.b64Image(fromFile, toFile);
- }
- super.handle(e);
- } else {
- super.handle(e);
- }
- }
- }
-
- // data:[<mime type>][;charset=<Zeichensatz>][;base64],<Daten>
- /*
- [So. Juni 13 13:23:32 MESZ 2021] FEIN:
- file: /home/ulrich/helix-files/bild-test/10419903-14-2-1920-r.jpg,
- relname: bild-test/10419903-14-2-1920-r.jpg, ohneExt: 10419903-14-2-1920-r, ext: .jpg (de.uhilger.helix.FileManager buildImgSrc)
-
- */
- private void buildImgSrc(File file, Datei datei, String ohneExt, String ext) throws IOException {
- //logger.fine("file: " + file.getAbsolutePath() + ", ohneExt: " + ohneExt + ", ext: " + ext);
- File dir = file.getParentFile();
- String newRelName = ohneExt + ImageActor.TN + ImageActor.B64 + ext;
- File b64File = new File(dir, newRelName);
- //logger.fine("b64File: " + b64File.getAbsolutePath());
- if(!b64File.exists()) {
- //BildErzeuger be = new BildErzeuger();
- //be.bildErzeugen(dir, newRelName, BildErzeuger.TN, 120, b64File);
- ImageThread it = new ImageThread(dir, newRelName, ImageActor.TN, 120, b64File, datei, ext);
- it.addListener(this);
- if(threadCount < maxThreads) {
- ++threadCount;
- //logger.fine("Thread started, threadCount: " + threadCount);
- it.start();
- } else {
- waitingThreads.add(it);
- //logger.fine("Thread added to wait queue.");
- }
- } else {
- ImageActor be = new ImageActor();
- be.setImgSrc(datei, ext, b64File);
- }
- }
-
- @Override
- public void finished() {
- --threadCount;
- //logger.fine("Thread finished, threadCound now: " + threadCount);
- if (threadCount < maxThreads) {
- if (waitingThreads.size() > 0) {
- Object o = waitingThreads.get(0);
- if (o instanceof ImageThread) {
- waitingThreads.remove(o);
- ImageThread it = (ImageThread) o;
- ++threadCount;
- //logger.fine("Thread started from wait queue, threadCount now: " + threadCount);
- it.start();
- }
- }
- }
- }
private void emptyListResponse(HttpExchange e) throws IOException {
HttpResponder r = new HttpResponder();
@@ -384,176 +160,4 @@
//logger.log(Level.FINE, "json: ''{0}''", json);
r.antwortSenden(e, SC_OK, json);
}
-
- private void speichern(HttpExchange exchange, HttpHelper helper) throws IOException {
- String fileName = helper.getFileName(exchange);
- //logger.info("fileName: " + fileName);
-
- // file ist die Datei, um die es geht
- File file = new File(exchange.getHttpContext().getAttributes().get(FileHandler.ATTR_FILE_BASE).toString(), fileName);
-
- String method = exchange.getRequestMethod();
- if (fileName.endsWith(STR_SLASH)) {
- //logger.info("neuer Ordner: " + file.getAbsolutePath());
- // neuen Ordner erstellen oder ablehnen, wenn der Ordner schon existiert
- if (method.equalsIgnoreCase(HttpHelper.HTTP_POST)) {
- if (!file.exists()) {
- file.mkdir();
- standardHeaderUndAntwort(exchange, SC_OK, file.getAbsolutePath());
- } else {
- String antwort = "Ordner existiert bereits.";
- standardHeaderUndAntwort(exchange, SC_UNPROCESSABLE_ENTITY, antwort);
- }
- } else {
- String antwort = "PUT fuer neuen Ordner nicht erlaubt, bitte POST verwenden.";
- standardHeaderUndAntwort(exchange, SC_METHOD_NOT_ALLOWED, antwort);
- }
- } else {
- //logger.info("Datei speichern: " + file.getAbsolutePath());
- // Datei speichern
- if (method.equalsIgnoreCase(HttpHelper.HTTP_POST)) {
- if (file.exists()) {
- FileTransporter trans = new FileTransporter();
- file = trans.getNewFileName(file);
- }
- } else if (method.equalsIgnoreCase(HttpHelper.HTTP_PUT)) {
- if (file.exists()) {
- /*
- muss delete() sein?
- pruefen: ueberschreibt der FileWriter den alteen Inhalt oder
- entsteht eine unerwuenschte Mischung aus altem und neuem
- Inhalt?
- */
- file.delete();
- } else {
- file.getParentFile().mkdirs();
- }
- }
- // Request Body mit dem Dateiinhalt in einen String lesen
- StringBuilder sb = new StringBuilder();
- InputStream is = exchange.getRequestBody();
- BufferedReader in = new BufferedReader(new InputStreamReader(is));
- String line = in.readLine();
- while (line != null) {
- sb.append(line);
- line = in.readLine();
- }
-
- // dekodieren
- String content = sb.toString();
- //logger.fine(content);
- String decoded = URLDecoder.decode(content, UTF8);
- //logger.fine(decoded);
-
- // in Datei schreiben
- byte[] bytes = decoded.getBytes();
- file.createNewFile();
- OutputStream os = new FileOutputStream(file);
- os.write(bytes);
- os.flush();
- os.close();
- is.close();
-
- // Antwort senden
- standardHeaderUndAntwort(exchange, SC_OK, file.getAbsolutePath());
- }
- }
-
- private void copyOrMove(HttpExchange exchange, String quelle, String ziel, int op) throws IOException {
- //logger.fine("quelle: " + quelle + ", ziel: " + ziel);
- String[] dateiNamen = dateiliste(exchange);
- copyOrMoveFiles(quelle, ziel, dateiNamen, op, exchange);
- standardHeaderUndAntwort(exchange, SC_OK, "Dateien verarbeitet.");
- }
-
- private String copyOrMoveFiles(String fromPath, String toPath, String[] fileNames, int operation, HttpExchange e) throws IOException {
- String result = null;
- File srcDir = new File(e.getHttpContext().getAttributes().get(FileHandler.ATTR_FILE_BASE).toString(), fromPath);
- File targetDir = new File(e.getHttpContext().getAttributes().get(FileHandler.ATTR_FILE_BASE).toString(), toPath);
- for (String fileName : fileNames) {
- File srcFile = new File(srcDir, fileName);
- //logger.fine("srcFile: " + srcFile);
- if (srcFile.isDirectory()) {
- //logger.fine("srcFile is directory.");
- OrdnerBearbeiter bearbeiter = new OrdnerBearbeiter();
- bearbeiter.setTargetDir(targetDir.toPath());
- bearbeiter.setOperation(operation);
- Files.walkFileTree(srcFile.toPath(), bearbeiter);
- } else {
- Path source = srcFile.toPath();
- File destFile = targetDir.toPath().resolve(source.getFileName()).toFile();
- if (destFile.exists()) {
- FileTransporter trans = new FileTransporter();
- destFile = trans.getNewFileName(destFile);
- }
- if (operation == OP_MOVE) {
- String fname = srcFile.getName().toLowerCase();
- if (fname.endsWith(ImageActor.JPEG)
- || fname.endsWith(ImageActor.JPG)
- || fname.endsWith(ImageActor.PNG)) {
- moveImgFilesToDirectory(srcFile, srcDir, targetDir, false);
- } else {
- Files.move(source, destFile.toPath());
- }
- } else {
- Files.copy(source, destFile.toPath());
- }
- }
- }
- return result;
- }
-
- private void loeschen(HttpExchange exchange, HttpHelper helper) throws IOException {
- String[] dateiNamen = dateiliste(exchange);
- String relPfad = helper.getFileName(exchange);
- new Eraser().deleteFiles(relPfad, Arrays.asList(dateiNamen), exchange.getHttpContext().getAttributes().get(FileHandler.ATTR_FILE_BASE).toString());
- standardHeaderUndAntwort(exchange, SC_OK, "Dateien geloescht.");
- }
-
- private String[] dateiliste(HttpExchange exchange) throws IOException {
- String body = new HttpHelper().bodyLesen(exchange);
- //logger.fine("dateien: " + body);
- Gson gson = new Gson();
- return gson.fromJson(body, String[].class);
- }
-
- public String duplizieren(HttpExchange exchange, HttpHelper helper) throws IOException {
- String relPfad = helper.getFileName(exchange);
- File srcFile = new File(exchange.getHttpContext().getAttributes().get(FileHandler.ATTR_FILE_BASE).toString(), relPfad);
- String fnameext = srcFile.getName();
- int dotpos = fnameext.lastIndexOf(STR_DOT);
- String fname = fnameext.substring(0, dotpos);
- String ext = fnameext.substring(dotpos);
- File srcDir = srcFile.getParentFile();
- File destFile = new File(srcDir, fname + "-Kopie" + ext);
- int i = 1;
- while (destFile.exists()) {
- destFile = new File(srcDir, fname + "-Kopie-" + Integer.toString(++i) + ext);
- }
- Files.copy(srcFile.toPath(), destFile.toPath());
- return destFile.getName();
- }
-
-
- private void moveImgFilesToDirectory(File srcFile, File srcDir, File targetDir, boolean createDestDir) throws IOException {
- String fnameext = srcFile.getName();
- int dotpos = fnameext.lastIndexOf(STR_DOT);
- String fname = fnameext.substring(0, dotpos);
- String ext = fnameext.substring(dotpos);
- //logger.fine("fname: " + fname + ", ext: " + ext);
- Path targetPath = targetDir.toPath();
- DirectoryStream<Path> stream = Files.newDirectoryStream(srcDir.toPath(), fname + "*" + ext); //"*.{txt,doc,pdf,ppt}"
- for (Path path : stream) {
- //logger.fine(path.getFileName().toString());
- //Files.delete(path);
- Files.move(path, targetPath.resolve(path.getFileName()));
- }
- stream.close();
- }
-
- private void standardHeaderUndAntwort(HttpExchange exchange, int status, String antwort) throws IOException {
- Headers resHeaders = exchange.getResponseHeaders();
- resHeaders.add(CONTENT_TYPE, HttpHelper.CT_TEXT_HTML);
- new HttpResponder().antwortSenden(exchange, status, antwort);
- }
}
--
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