/** * 以阻塞的方式立即下载一个文件,该方法会覆盖已经存在的文件 * * @param task * @return "ok" if download success (else return errmessage); */ static String download(DownloadTask task) { if (!openedStatus && show) openStatus(); URL url; HttpURLConnection conn; try { url = new URL(task.getOrigin()); conn = (HttpURLConnection) url.openConnection(); conn.setConnectTimeout(30000); conn.setReadTimeout(30000); conn.setRequestProperty( "User-Agent", "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.2357.134 Safari/" + Math.random()); if ("www.imgjav.com".equals(url.getHost())) { // 该网站需要带cookie请求 conn.setRequestProperty( "User-Agent", "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.2357.134 Safari/537.36"); // conn.setRequestProperty("Cookie", "__cfduid=d219ea333c7a9b5743b572697b631925a1446093229; // cf_clearance=6ae62d843f5d09acf393f9e4eb130d9366840c82-1446093303-28800"); conn.setRequestProperty( "Cookie", "__cfduid=d6ee846b378bb7d5d173a05541f8a2b6a1446090548; cf_clearance=ea10e8db31f8b6ee51570b118dd89b7e616d7b62-1446099714-28800"); conn.setRequestProperty("Host", "www.imgjav.com"); } Path directory = Paths.get(task.getDest()).getParent(); if (!Files.exists(directory)) Files.createDirectories(directory); } catch (Exception e) { e.printStackTrace(); return e.getMessage(); } try (InputStream is = conn.getInputStream(); BufferedInputStream in = new BufferedInputStream(is); FileOutputStream fos = new FileOutputStream(task.getDest()); OutputStream out = new BufferedOutputStream(fos); ) { int length = conn.getContentLength(); if (length < 1) throw new IOException("length<1"); byte[] binary = new byte[length]; byte[] buff = new byte[65536]; int len; int index = 0; while ((len = in.read(buff)) != -1) { System.arraycopy(buff, 0, binary, index, len); index += len; allLen += len; // allLen有线程安全的问题 ,可能会不正确。无需精确数据,所以不同步了 task.setReceivePercent(String.format("%.2f", ((float) index / length) * 100) + "%"); } out.write(binary); } catch (IOException e) { e.printStackTrace(); return e.getMessage(); } return "ok"; }
// Take a tree of files starting in a directory in a zip file // and copy them to a disk directory, recreating the tree. private int unpackZipFile( File inZipFile, String directory, String parent, boolean suppressFirstPathElement) { int count = 0; if (!inZipFile.exists()) return count; parent = parent.trim(); if (!parent.endsWith(File.separator)) parent += File.separator; if (!directory.endsWith(File.separator)) directory += File.separator; File outFile = null; try { ZipFile zipFile = new ZipFile(inZipFile); Enumeration zipEntries = zipFile.entries(); while (zipEntries.hasMoreElements()) { ZipEntry entry = (ZipEntry) zipEntries.nextElement(); String name = entry.getName().replace('/', File.separatorChar); if (name.startsWith(directory)) { if (suppressFirstPathElement) name = name.substring(directory.length()); outFile = new File(parent + name); // Create the directory, just in case if (name.indexOf(File.separatorChar) >= 0) { String p = name.substring(0, name.lastIndexOf(File.separatorChar) + 1); File dirFile = new File(parent + p); dirFile.mkdirs(); } if (!entry.isDirectory()) { System.out.println("Installing " + outFile); // Copy the file BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream(outFile)); BufferedInputStream in = new BufferedInputStream(zipFile.getInputStream(entry)); int size = 1024; int n = 0; byte[] b = new byte[size]; while ((n = in.read(b, 0, size)) != -1) out.write(b, 0, n); in.close(); out.flush(); out.close(); // Count the file count++; } } } zipFile.close(); } catch (Exception e) { System.err.println("...an error occured while installing " + outFile); e.printStackTrace(); System.err.println("Error copying " + outFile.getName() + "\n" + e.getMessage()); return -count; } System.out.println(count + " files were installed."); return count; }
public static void main(String[] args) throws IOException { int servPort = Integer.parseInt(args[0]); String ksName = "keystore.jks"; char ksPass[] = "password".toCharArray(); char ctPass[] = "password".toCharArray(); try { KeyStore ks = KeyStore.getInstance("JKS"); ks.load(new FileInputStream(ksName), ksPass); KeyManagerFactory kmf = KeyManagerFactory.getInstance("SunX509"); kmf.init(ks, ctPass); SSLContext sc = SSLContext.getInstance("SSL"); sc.init(kmf.getKeyManagers(), null, null); SSLServerSocketFactory ssf = sc.getServerSocketFactory(); SSLServerSocket s = (SSLServerSocket) ssf.createServerSocket(servPort); while (true) { // Listen for a TCP connection request. SSLSocket c = (SSLSocket) s.accept(); BufferedOutputStream out = new BufferedOutputStream(c.getOutputStream(), 1024); BufferedInputStream in = new BufferedInputStream(c.getInputStream(), 1024); byte[] byteBuffer = new byte[1024]; int count = 0; while ((byteBuffer[count] = (byte) in.read()) != -2) { count++; } String newFile = new String(byteBuffer, 0, count, "US-ASCII"); FileOutputStream writer = new FileOutputStream(newFile.trim()); int buffSize = 0; while ((buffSize = in.read(byteBuffer, 0, 1024)) != -1) { int index = 0; if ((index = (new String(byteBuffer, 0, buffSize, "US-ASCII")) .indexOf("------MagicStringCSE283Miami")) == -1) { writer.write(byteBuffer, 0, buffSize); } else { writer.write(byteBuffer, 0, index); break; } } writer.flush(); writer.close(); ZipOutputStream outZip = new ZipOutputStream(new BufferedOutputStream(out)); FileInputStream fin = new FileInputStream(newFile.trim()); BufferedInputStream origin = new BufferedInputStream(fin, 1024); ZipEntry entry = new ZipEntry(newFile.trim()); outZip.putNextEntry(entry); byteBuffer = new byte[1024]; int bytes = 0; while ((bytes = origin.read(byteBuffer, 0, 1024)) != -1) { outZip.write(byteBuffer, 0, bytes); } origin.close(); outZip.flush(); outZip.close(); out.flush(); out.close(); } } catch (Exception e) { System.err.println(e.toString()); } }