| | |
| | | */ |
| | | 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.cm.actor.Lister; |
| | | import de.uhilger.httpserver.cm.actor.Mover; |
| | | 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.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 |
| | |
| | | |
| | | public static final String ATTR_ROLE = "role"; |
| | | |
| | | //private String role; |
| | | |
| | | //public FileManager(String absoluteDirectoryPathAndName, String role, String ctx) { |
| | | public FileManager() { |
| | | //super(absoluteDirectoryPathAndName, ctx); |
| | | //super(absoluteDirectoryPathAndName); |
| | | //this.role = role; |
| | | } |
| | | |
| | | @Override |
| | | public void handle(HttpExchange e) throws IOException { |
| | | Authenticator a = e.getHttpContext().getAuthenticator(); |
| | |
| | | } |
| | | 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 = new Mover().duplizieren( |
| | | exchange.getHttpContext().getAttributes().get(FileHandler.ATTR_FILE_BASE).toString(), |
| | | helper.getFileName(exchange)); |
| | | //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); |
| | | } |
| | | } |
| | | |
| | | |
| | | private void emptyListResponse(HttpExchange e) throws IOException { |
| | | HttpResponder r = new HttpResponder(); |
| | | String json = "{}"; |
| | | //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); |
| | | new Mover().copyOrMoveFiles(quelle, ziel, dateiNamen, op, exchange.getHttpContext().getAttributes().get(FileHandler.ATTR_FILE_BASE).toString()); |
| | | standardHeaderUndAntwort(exchange, SC_OK, "Dateien verarbeitet."); |
| | | } |
| | | |
| | | 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); |
| | | } |
| | | |
| | | |
| | | 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); |
| | | } |
| | | } |