| | |
| | | import de.uhilger.httpserver.oauth.BearerAuthenticator; |
| | | import java.io.BufferedReader; |
| | | import java.io.File; |
| | | import java.io.FileInputStream; |
| | | import java.io.FileOutputStream; |
| | | import java.io.IOException; |
| | | import java.io.InputStream; |
| | |
| | | import java.nio.file.Path; |
| | | import java.util.ArrayList; |
| | | import java.util.Arrays; |
| | | import java.util.Enumeration; |
| | | import java.util.List; |
| | | import java.util.logging.Logger; |
| | | import java.util.logging.Level; |
| | | import java.util.zip.Adler32; |
| | | import java.util.zip.CheckedOutputStream; |
| | | import java.util.zip.ZipEntry; |
| | | import java.util.zip.ZipFile; |
| | | import java.util.zip.ZipOutputStream; |
| | | |
| | | /** |
| | | * <p>Der FileManager verknuepft einen HTTP-Endpunkt mit einem Ordner des lokalen |
| | |
| | | case P_ZIP: |
| | | String path = exchange.getRequestURI().toString(); |
| | | //logger.fine(path); |
| | | String antwort = packFolder(helper.getFileName(exchange), path, exchange); |
| | | 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 { |
| | |
| | | case P_UNZIP: |
| | | path = exchange.getRequestURI().toString(); |
| | | //logger.fine(path); |
| | | antwort = extractZipfile(helper.getFileName(exchange), path, exchange); |
| | | 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 { |
| | |
| | | new HttpResponder().antwortSenden(exchange, status, antwort); |
| | | } |
| | | |
| | | /* --------- ZIP entpacken ---------------- */ |
| | | |
| | | public String extractZipfile(String fName, String relPath, HttpExchange e) { |
| | | //logger.fine("fName: " + fName + ", relPath: " + relPath); |
| | | String result = null; |
| | | if (!relPath.startsWith(".")) { |
| | | try { |
| | | //File targetDir = new File(fileBase, relPath); |
| | | //File targetDir = getTargetDir(relPath); |
| | | File archive = new File(e.getHttpContext().getAttributes().get(FileHandler.ATTR_FILE_BASE).toString(), fName); |
| | | if(extract(archive)) { |
| | | result = "ok"; |
| | | } else { |
| | | result = "error while extracting"; |
| | | } |
| | | } catch(Exception ex) { |
| | | result = ex.getLocalizedMessage(); |
| | | //logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex); |
| | | } |
| | | } else { |
| | | result = "Falsche relative Pfadangabe."; |
| | | } |
| | | 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(); |
| | | } |
| | | } |
| | | |
| | | /* --------------- Ordner packen ----------------- */ |
| | | |
| | | /** |
| | | * Einen Ordner packen. |
| | | * |
| | | * Als Ziel wird eine neue Datei mit Dateiendung '.zip' erzeugt, die so |
| | | * heisst wie der Ordner, der gapckt werden soll. Die Datei mit |
| | | * dem gepackten Ordnerinhalt wird in dem Ordner angelegt, der den zu |
| | | * packenden Ordner enthaelt. |
| | | * |
| | | * @param fName Name des zu packenden Ordners |
| | | * @param relPath relativer Pfad zum Ordner, der gepackt werden soll |
| | | * @return die Meldung mit dem Ergebnis. Wenn die Meldung nicht "ok" lautet |
| | | * wurde die ZIP-Datei nicht erzeugt und die Meldung nennt den Grund. |
| | | */ |
| | | public String packFolder(String fName, String relPath, HttpExchange e) { |
| | | if (!relPath.startsWith(".")) { |
| | | try { |
| | | //String fName = getFileName(e); |
| | | //logger.fine("fName: " + fName); |
| | | if (fName.endsWith(STR_SLASH)) { |
| | | File dir = new File(e.getHttpContext().getAttributes().get(FileHandler.ATTR_FILE_BASE).toString(), fName); |
| | | if(dir.isDirectory()) { |
| | | //logger.fine("absPath: " + dir.getAbsolutePath()); |
| | | File parentDir = dir.getParentFile(); |
| | | StringBuilder fname = new StringBuilder(); |
| | | fname.append(dir.getName()); |
| | | fname.append(".zip"); |
| | | File archiveFile = new File(parentDir, fname.toString()); |
| | | pack(dir.getAbsolutePath(), archiveFile.getAbsolutePath()); |
| | | return "ok"; |
| | | } else { |
| | | return "kein Ordner"; |
| | | } |
| | | } else { |
| | | return "kein Ordner"; |
| | | } |
| | | } catch(Exception ex) { |
| | | String result = ex.getLocalizedMessage(); |
| | | //logger.log(Level.SEVERE, result, ex); |
| | | return result; |
| | | } |
| | | } else { |
| | | return "Falsche relative Pfadangabe"; |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * pack the contents of a given folder into a new ZIP compressed archive |
| | | * @param folder absolute path and name of the folder to pack |
| | | * @param archive absolute path and name of the archive to create from the given files |
| | | * @throws Exception |
| | | */ |
| | | private boolean pack(String folder, String archive) throws Exception { |
| | | File file = new File(archive); |
| | | FileOutputStream fos = new FileOutputStream(file); |
| | | CheckedOutputStream checksum = new CheckedOutputStream(fos, new Adler32()); |
| | | ZipOutputStream zos = new ZipOutputStream(checksum); |
| | | pack(zos, folder, ""); |
| | | zos.flush(); |
| | | zos.finish(); |
| | | zos.close(); |
| | | fos.flush(); |
| | | fos.close(); |
| | | return true; |
| | | } |
| | | |
| | | /** |
| | | * go through the given file structure recursively |
| | | * @param zipFile the ZIP file to write to |
| | | * @param srcDir the directory to pack during this cycle |
| | | * @param subDir the subdirectory to append to names of file entries inside the archive |
| | | * @throws IOException |
| | | */ |
| | | private void pack(ZipOutputStream zipFile, String srcDir, String subDir) throws IOException { |
| | | File[] files = new File(srcDir).listFiles(); |
| | | for(int i = 0; i < files.length; i++) { |
| | | if(files[i].isDirectory()) { |
| | | pack(zipFile, files[i].getAbsolutePath(), subDir + File.separator + files[i].getName()); |
| | | } |
| | | else { |
| | | packFile(zipFile, subDir, files[i]); |
| | | } |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * pack a given file |
| | | * @param zipFile the ZIP archive to pack to |
| | | * @param dir the directory name to append to name of file entry inside archive |
| | | * @param file the file to pack |
| | | * @throws IOException |
| | | */ |
| | | private void packFile(ZipOutputStream zipFile, String dir, File file) throws IOException |
| | | { |
| | | FileInputStream fileinputstream = new FileInputStream(file); |
| | | byte buf[] = new byte[fileinputstream.available()]; |
| | | fileinputstream.read(buf); |
| | | String dirWithSlashes = dir.replace('\\', '/'); |
| | | //System.out.println("zipping " + dirWithSlashes + "/" + file.getName()); |
| | | ZipEntry ze = new ZipEntry(dirWithSlashes + "/" + file.getName()); |
| | | ze.setMethod(ZipEntry.DEFLATED); |
| | | zipFile.putNextEntry(ze); |
| | | zipFile.write(buf, 0, buf.length); |
| | | zipFile.closeEntry(); |
| | | fileinputstream.close(); |
| | | } |
| | | |
| | | |
| | | |
| | | |
| | | } |