mirror of
https://github.com/developersu/ns-usbloader.git
synced 2025-05-14 07:04:50 -04:00
Add split-files support for every 'protocol' supported
This commit is contained in:
Dmitry Isaenko
parent
077aa9b0d8
commit
049c07fe8d
28 changed files with 618 additions and 265 deletions
492
src/main/java/nsusbloader/COM/NET/NETCommunications.java
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492
src/main/java/nsusbloader/COM/NET/NETCommunications.java
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@ -0,0 +1,492 @@
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package nsusbloader.COM.NET;
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import javafx.concurrent.Task;
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import nsusbloader.NSLDataTypes.EFileStatus;
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import nsusbloader.ModelControllers.LogPrinter;
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import nsusbloader.NSLDataTypes.EMsgType;
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import nsusbloader.COM.Helpers.NSSplitReader;
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import java.io.*;
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import java.net.*;
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import java.nio.ByteBuffer;
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import java.nio.charset.StandardCharsets;
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import java.util.*;
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public class NETCommunications extends Task<Void> { // todo: thows IOException?
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private LogPrinter logPrinter;
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private String hostIP;
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private int hostPort;
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private String extras;
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private String switchIP;
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private HashMap<String, File> nspMap;
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private HashMap<String, Long> nspFileSizes;
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private ServerSocket serverSocket;
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private boolean isValid;
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private boolean doNotServeRequests;
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private OutputStream currSockOS;
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private PrintWriter currSockPW;
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/**
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* Simple constructor that everybody uses
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* */
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public NETCommunications(List<File> filesList, String switchIP, boolean doNotServeRequests, String hostIPaddr, String hostPortNum, String extras){
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this.doNotServeRequests = doNotServeRequests;
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if (doNotServeRequests)
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this.extras = extras;
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else
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this.extras = "";
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this.switchIP = switchIP;
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this.logPrinter = new LogPrinter();
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this.nspMap = new HashMap<>();
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this.nspFileSizes = new HashMap<>();
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// Filter and remove empty/incorrect split-files
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filesList.removeIf(f -> {
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if (f.isDirectory()){
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File[] subFiles = f.listFiles((file, name) -> name.matches("[0-9]{2}"));
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if (subFiles == null || subFiles.length == 0) {
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logPrinter.print("NET: Removing empty folder: " + f.getName(), EMsgType.WARNING);
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return true;
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}
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else {
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Arrays.sort(subFiles, Comparator.comparingInt(file -> Integer.parseInt(file.getName())));
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for (int i = subFiles.length - 2; i > 0 ; i--){
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if (subFiles[i].length() < subFiles[i-1].length()) {
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logPrinter.print("NET: Removing strange split file: "+f.getName()+
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"\n (Chunk sizes of the split file are not the same, but has to be.)", EMsgType.WARNING);
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return true;
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}
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}
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}
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}
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return false;
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});
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// Collect and encode NSP files list
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try {
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for (File nspFile : filesList)
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nspMap.put(URLEncoder.encode(nspFile.getName(), "UTF-8").replaceAll("\\+", "%20"), nspFile); // replace + to %20
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}
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catch (UnsupportedEncodingException uee){
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isValid = false;
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logPrinter.print("NET: Unsupported encoding for 'URLEncoder'. Internal issue you can't fix. Please report. Returned:\n\t"+uee.getMessage(), EMsgType.FAIL);
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//for (File nspFile : filesList)
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// nspMap.put(nspFile.getName(), nspFile);
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close(EFileStatus.FAILED);
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return;
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}
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// Collect sizes since now we can have split-files support
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for (Map.Entry<String, File> entry : nspMap.entrySet()){
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File inFile = entry.getValue();
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long fSize = 0;
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if (inFile.isDirectory()){
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File[] subFiles = inFile.listFiles((file, name) -> name.matches("[0-9]{2}"));
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for (File subFile : subFiles)
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fSize += subFile.length();
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nspFileSizes.put(entry.getKey(), fSize);
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}
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else
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nspFileSizes.put(entry.getKey(), inFile.length());
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}
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// Resolve IP
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if (hostIPaddr.isEmpty()) {
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DatagramSocket socket;
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try { // todo: check other method if internet unavaliable
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socket = new DatagramSocket();
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socket.connect(InetAddress.getByName("8.8.8.8"), 10002); // Google
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hostIP = socket.getLocalAddress().getHostAddress();
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socket.close();
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}
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catch (SocketException | UnknownHostException e) {
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logPrinter.print("NET: Can't get your computer IP using Google DNS server. Returned:\n\t"+e.getMessage(), EMsgType.INFO);
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try {
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socket = new DatagramSocket();
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socket.connect(InetAddress.getByName("193.0.14.129"), 10002); // RIPE NCC
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hostIP = socket.getLocalAddress().getHostAddress();
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socket.close();
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}
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catch (SocketException | UnknownHostException e1) {
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logPrinter.print("NET: Can't get your computer IP using RIPE NCC root server. Returned:\n\t"+e1.getMessage(), EMsgType.INFO);
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try {
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socket = new DatagramSocket();
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socket.connect(InetAddress.getByName("people.com.cn"), 10002); // Renmin Ribao
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hostIP = socket.getLocalAddress().getHostAddress();
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socket.close();
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}
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catch (SocketException | UnknownHostException e2) {
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logPrinter.print("NET: Can't get your computer IP using Renmin Ribao server. Returned:\n\t"+e2.getMessage(), EMsgType.FAIL);
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logPrinter.print("Try using 'Expert mode' and set IP manually.", EMsgType.INFO);
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try {
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Enumeration enumeration = NetworkInterface.getNetworkInterfaces();
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while (enumeration.hasMoreElements()) {
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NetworkInterface n = (NetworkInterface) enumeration.nextElement();
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Enumeration enumeration1 = n.getInetAddresses();
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while (enumeration1.hasMoreElements()) {
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InetAddress i = (InetAddress) enumeration1.nextElement();
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logPrinter.print("Check for: " + i.getHostAddress(), EMsgType.INFO);
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}
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}
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}
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catch (SocketException socketException) { // Good block.
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logPrinter.print("Can't determine possible variants. Returned:\n\t"+socketException.getMessage(), EMsgType.FAIL);
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}
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isValid = false;
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close(EFileStatus.FAILED);
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return;
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}
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}
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}
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logPrinter.print("NET: Your IP detected as: " + hostIP, EMsgType.PASS);
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}
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else {
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this.hostIP = hostIPaddr;
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logPrinter.print("NET: Your IP defined as: " + hostIP, EMsgType.PASS);
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}
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// Get port
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if (! doNotServeRequests) {
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if (hostPortNum.isEmpty()) {
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Random portRandomizer = new Random();
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for (int i = 0; i < 5; i++) {
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try {
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this.hostPort = portRandomizer.nextInt(999) + 6000;
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serverSocket = new ServerSocket(hostPort); //System.out.println(serverSocket.getInetAddress()); 0.0.0.0
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logPrinter.print("NET: Your port detected as: " + hostPort, EMsgType.PASS);
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break;
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}
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catch (IOException ioe) {
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if (i == 4) {
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logPrinter.print("NET: Can't find good port", EMsgType.FAIL);
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logPrinter.print("Try using 'Expert mode' and set port by yourself.", EMsgType.INFO);
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isValid = false;
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close(EFileStatus.FAILED);
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return;
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} else
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logPrinter.print("NET: Can't use port " + hostPort + "\nLooking for another one.", EMsgType.WARNING);
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}
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}
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} else {
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try {
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this.hostPort = Integer.parseInt(hostPortNum);
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serverSocket = new ServerSocket(hostPort);
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logPrinter.print("NET: Using defined port number: " + hostPort, EMsgType.PASS);
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}
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catch (NumberFormatException nfe) { // Literally never happens.
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logPrinter.print("NET: Can't use port defined in settings: " + hostPortNum + "\nIt's not a valid number!", EMsgType.FAIL);
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isValid = false;
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close(EFileStatus.FAILED);
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return;
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}
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catch (IOException ioex){
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logPrinter.print("NET: Can't use port defined in settings: " + hostPortNum + "\n\t"+ioex.getMessage(), EMsgType.FAIL);
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isValid = false;
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close(EFileStatus.FAILED);
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return;
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}
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}
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}
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else {
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if (hostPortNum.isEmpty()){
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logPrinter.print("NET: Port must be defined if 'Don't serve requests' option selected!", EMsgType.FAIL);
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isValid = false;
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close(EFileStatus.FAILED);
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return;
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}
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try {
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this.hostPort = Integer.parseInt(hostPortNum);
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}
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catch (NumberFormatException fex){
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logPrinter.print("NET: Can't use port defined in settings: " + hostPortNum + "\nIt's not a valid number!", EMsgType.WARNING);
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isValid = false;
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close(EFileStatus.FAILED);
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return;
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}
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}
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isValid = true;
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}
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/**
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* Override cancel block to close connection by ourselves
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* */
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@Override
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protected void cancelled() {
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this.close(EFileStatus.UNKNOWN);
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super.cancelled();
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}
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@Override
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protected Void call() {
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if (!isValid | isCancelled())
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return null;
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logPrinter.print("\tStart chain", EMsgType.INFO);
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// Create string that we'll send to TF and which initiates chain
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StringBuilder myStrBuilder;
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myStrBuilder = new StringBuilder();
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for (String fileNameEncoded : nspMap.keySet()) {
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myStrBuilder.append(hostIP);
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myStrBuilder.append(':');
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myStrBuilder.append(hostPort);
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myStrBuilder.append('/');
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myStrBuilder.append(extras);
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myStrBuilder.append(fileNameEncoded);
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myStrBuilder.append('\n');
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}
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byte[] nspListNames = myStrBuilder.toString().getBytes(StandardCharsets.UTF_8); // Follow the
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byte[] nspListSize = ByteBuffer.allocate(Integer.BYTES).putInt(nspListNames.length).array(); // defining order
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try {
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Socket handShakeSocket = new Socket(InetAddress.getByName(switchIP), 2000);
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OutputStream os = handShakeSocket.getOutputStream();
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os.write(nspListSize);
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os.write(nspListNames);
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os.flush();
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handShakeSocket.close();
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}
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catch (IOException uhe){
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logPrinter.print("NET: Unable to connect to NS and send files list. Returned:\n\t"+uhe.getMessage(), EMsgType.FAIL);
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close(EFileStatus.UNKNOWN);
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return null;
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}
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// Check if we should serve requests
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if (this.doNotServeRequests){
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logPrinter.print("NET: List of files transferred. Replies won't be served.", EMsgType.PASS);
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close(EFileStatus.UNKNOWN);
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return null;
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}
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logPrinter.print("NET: Initiation files list has been sent to NS.", EMsgType.PASS);
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// Go transfer
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Socket clientSocket;
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work_routine:
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while (true){
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try {
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clientSocket = serverSocket.accept();
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BufferedReader br = new BufferedReader(
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new InputStreamReader(clientSocket.getInputStream())
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);
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currSockOS = clientSocket.getOutputStream();
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currSockPW = new PrintWriter(new OutputStreamWriter(currSockOS));
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String line;
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LinkedList<String> tcpPacket = new LinkedList<>();
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while ((line = br.readLine()) != null) {
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//System.out.println(line); // Debug
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if (line.trim().isEmpty()) { // If TCP packet is ended
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if (handleRequest(tcpPacket)) // Proceed required things
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break work_routine;
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tcpPacket.clear(); // Clear data and wait for next TCP packet
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}
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else
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tcpPacket.add(line); // Otherwise collect data
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}
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// and reopen client sock
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clientSocket.close();
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}
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catch (IOException ioe){ // If server socket closed, then client socket also closed.
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break;
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}
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}
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if ( ! isCancelled() )
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close(EFileStatus.UNKNOWN);
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return null;
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}
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// 200 206 400 (inv range) 404 416 (Range Not Satisfiable )
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/**
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* Handle requests
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* @return true if failed
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* */
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private boolean handleRequest(LinkedList<String> packet){
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//private boolean handleRequest(LinkedList<String> packet, OutputStreamWriter pw){
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File requestedFile;
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String reqFileName = packet.get(0).replaceAll("(^[A-z\\s]+/)|(\\s+?.*$)", "");
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long reqFileSize = nspFileSizes.get(reqFileName);
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requestedFile = nspMap.get(reqFileName);
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if (!requestedFile.exists() || reqFileSize == 0){ // well.. tell 404 if file exists with 0 length is against standard, but saves time
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currSockPW.write(NETPacket.getCode404());
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currSockPW.flush();
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logPrinter.print("NET: File "+requestedFile.getName()+" doesn't exists or have 0 size. Returning 404", EMsgType.FAIL);
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logPrinter.update(requestedFile, EFileStatus.FAILED);
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return true;
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}
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if (packet.get(0).startsWith("HEAD")){
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currSockPW.write(NETPacket.getCode200(reqFileSize));
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currSockPW.flush();
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logPrinter.print("NET: Replying for requested file: "+requestedFile.getName(), EMsgType.INFO);
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return false;
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}
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if (packet.get(0).startsWith("GET")) {
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for (String line: packet) {
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if (line.toLowerCase().startsWith("range")) { //todo: fix
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try {
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String[] rangeStr = line.toLowerCase().replaceAll("^range:\\s+?bytes=", "").split("-", 2);
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if (!rangeStr[0].isEmpty() && !rangeStr[1].isEmpty()) { // If both ranges defined: Read requested
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if (Long.parseLong(rangeStr[0]) > Long.parseLong(rangeStr[1])){ // If start bytes greater then end bytes
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currSockPW.write(NETPacket.getCode400());
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currSockPW.flush();
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logPrinter.print("NET: Requested range for "+requestedFile.getName()+" is incorrect. Returning 400", EMsgType.FAIL);
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logPrinter.update(requestedFile, EFileStatus.FAILED);
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return true;
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}
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if (writeToSocket(reqFileName, Long.parseLong(rangeStr[0]), Long.parseLong(rangeStr[1]))) // DO WRITE
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return true;
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}
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else if (!rangeStr[0].isEmpty()) { // If only START defined: Read all
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if (writeToSocket(reqFileName, Long.parseLong(rangeStr[0]), reqFileSize)) // DO WRITE
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return true;
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}
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else if (!rangeStr[1].isEmpty()) { // If only END defined: Try to read last 500 bytes
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if (reqFileSize > 500){
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if (writeToSocket(reqFileName, reqFileSize-500, reqFileSize)) // DO WRITE
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return true;
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}
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else { // If file smaller than 500 bytes
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currSockPW.write(NETPacket.getCode416());
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currSockPW.flush();
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logPrinter.print("NET: File size requested for "+requestedFile.getName()+" while actual size of it: "+reqFileSize+". Returning 416", EMsgType.FAIL);
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logPrinter.update(requestedFile, EFileStatus.FAILED);
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return true;
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}
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}
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else {
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currSockPW.write(NETPacket.getCode400()); // If Range not defined: like "Range: bytes=-"
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currSockPW.flush();
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logPrinter.print("NET: Requested range for "+requestedFile.getName()+" is incorrect (empty start & end). Returning 400", EMsgType.FAIL);
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logPrinter.update(requestedFile, EFileStatus.FAILED);
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return true;
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}
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break;
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}
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catch (NumberFormatException nfe){
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currSockPW.write(NETPacket.getCode400());
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currSockPW.flush();
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logPrinter.print("NET: Requested range for "+requestedFile.getName()+" has incorrect format. Returning 400\n\t"+nfe.getMessage(), EMsgType.FAIL);
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logPrinter.update(requestedFile, EFileStatus.FAILED);
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return true;
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}
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}
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}
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}
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return false;
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}
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/**
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* Send files.
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* */
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private boolean writeToSocket(String fileName, long start, long end){
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File reqFile = nspMap.get(fileName);
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// Inform
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logPrinter.print("NET: Responding to requested range: "+start+"-"+end, EMsgType.INFO);
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// Reply
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currSockPW.write(NETPacket.getCode206(nspFileSizes.get(fileName), start, end));
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currSockPW.flush();
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// Prepare transfer
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long count = end - start + 1;
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int readPice = 8388608; // = 8Mb
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byte[] byteBuf;
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long currentOffset = 0;
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try{
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//================================= SPLIT FILE ====================================
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if (reqFile.isDirectory()){
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NSSplitReader nsr = new NSSplitReader(reqFile, start);
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while (currentOffset < count){
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if (isCancelled())
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return true;
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if ((currentOffset + readPice) >= count){
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readPice = Math.toIntExact(count - currentOffset);
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}
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byteBuf = new byte[readPice];
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if (nsr.read(byteBuf) != readPice){
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logPrinter.print("NET: Reading of file stream suddenly ended.", EMsgType.FAIL);
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return true;
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}
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currSockOS.write(byteBuf);
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//-------/
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logPrinter.updateProgress((currentOffset+readPice)/(count/100.0) / 100.0);
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//-------/
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currentOffset += readPice;
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}
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currSockOS.flush(); // TODO: check if this really needed.
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nsr.close();
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}
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//================================= REGULAR FILE ====================================
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else {
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BufferedInputStream bis = new BufferedInputStream(new FileInputStream(reqFile));
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if (bis.skip(start) != start){
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logPrinter.print("NET: Unable to skip requested range.", EMsgType.FAIL);
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logPrinter.update(reqFile, EFileStatus.FAILED);
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return true;
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}
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while (currentOffset < count){
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if (isCancelled())
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return true;
|
||||
if ((currentOffset + readPice) >= count){
|
||||
readPice = Math.toIntExact(count - currentOffset);
|
||||
}
|
||||
byteBuf = new byte[readPice];
|
||||
|
||||
if (bis.read(byteBuf) != readPice){
|
||||
logPrinter.print("NET: Reading of file stream suddenly ended.", EMsgType.FAIL);
|
||||
return true;
|
||||
}
|
||||
currSockOS.write(byteBuf);
|
||||
//-------/
|
||||
logPrinter.updateProgress((currentOffset+readPice)/(count/100.0) / 100.0);
|
||||
//-------/
|
||||
currentOffset += readPice;
|
||||
}
|
||||
currSockOS.flush(); // TODO: check if this really needed.
|
||||
bis.close();
|
||||
}
|
||||
//-------/
|
||||
logPrinter.updateProgress(1.0);
|
||||
//-------/
|
||||
}
|
||||
catch (IOException | NullPointerException e){
|
||||
logPrinter.print("NET: File transmission failed. Returned:\n\t"+e.getMessage(), EMsgType.FAIL);
|
||||
logPrinter.update(reqFile, EFileStatus.FAILED);
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
/**
|
||||
* Close when done
|
||||
* */
|
||||
private void close(EFileStatus status){
|
||||
if (isCancelled())
|
||||
logPrinter.print("NET: Interrupted by user.", EMsgType.INFO);
|
||||
try {
|
||||
if (serverSocket != null) {
|
||||
serverSocket.close();
|
||||
logPrinter.print("NET: Closing server socket.", EMsgType.PASS);
|
||||
}
|
||||
}
|
||||
catch (IOException ioe){
|
||||
logPrinter.print("NET: Closing server socket failed. Sometimes it's not an issue.", EMsgType.WARNING);
|
||||
}
|
||||
if (status != null) {
|
||||
logPrinter.update(nspMap, status);
|
||||
}
|
||||
logPrinter.print("\tEnd chain", EMsgType.INFO);
|
||||
logPrinter.close();
|
||||
}
|
||||
}
|
||||
64
src/main/java/nsusbloader/COM/NET/NETPacket.java
Normal file
64
src/main/java/nsusbloader/COM/NET/NETPacket.java
Normal file
|
|
@ -0,0 +1,64 @@
|
|||
package nsusbloader.COM.NET;
|
||||
|
||||
import nsusbloader.NSLMain;
|
||||
|
||||
import java.time.ZoneId;
|
||||
import java.time.ZonedDateTime;
|
||||
import java.time.format.DateTimeFormatter;
|
||||
|
||||
public class NETPacket {
|
||||
private static final String CODE_200 =
|
||||
"HTTP/1.0 200 OK\r\n" +
|
||||
"Server: NS-USBloader-"+NSLMain.appVersion+"\r\n" +
|
||||
"Date: %s\r\n" +
|
||||
"Content-type: application/octet-stream\r\n" +
|
||||
"Accept-Ranges: bytes\r\n" +
|
||||
"Content-Range: bytes 0-%d/%d\r\n" +
|
||||
"Content-Length: %d\r\n" +
|
||||
"Last-Modified: Thu, 01 Jan 1970 00:00:00 GMT\r\n\r\n";
|
||||
private static final String CODE_206 =
|
||||
"HTTP/1.0 206 Partial Content\r\n"+
|
||||
"Server: NS-USBloader-"+NSLMain.appVersion+"\r\n" +
|
||||
"Date: %s\r\n" +
|
||||
"Content-type: application/octet-stream\r\n"+
|
||||
"Accept-Ranges: bytes\r\n"+
|
||||
"Content-Range: bytes %d-%d/%d\r\n"+
|
||||
"Content-Length: %d\r\n"+
|
||||
"Last-Modified: Thu, 01 Jan 1970 00:00:00 GMT\r\n\r\n";
|
||||
private static final String CODE_400 =
|
||||
"HTTP/1.0 400 invalid range\r\n"+
|
||||
"Server: NS-USBloader-"+NSLMain.appVersion+"\r\n" +
|
||||
"Date: %s\r\n" +
|
||||
"Connection: close\r\n"+
|
||||
"Content-Type: text/html;charset=utf-8\r\n"+
|
||||
"Content-Length: 0\r\n\r\n";
|
||||
private static final String CODE_404 =
|
||||
"HTTP/1.0 404 Not Found\r\n"+
|
||||
"Server: NS-USBloader-"+NSLMain.appVersion+"\r\n" +
|
||||
"Date: %s\r\n" +
|
||||
"Connection: close\r\n"+
|
||||
"Content-Type: text/html;charset=utf-8\r\n"+
|
||||
"Content-Length: 0\r\n\r\n";
|
||||
private static final String CODE_416 =
|
||||
"HTTP/1.0 416 Requested Range Not Satisfiable\r\n"+
|
||||
"Server: NS-USBloader-"+NSLMain.appVersion+"\r\n" +
|
||||
"Date: %s\r\n" +
|
||||
"Connection: close\r\n"+
|
||||
"Content-Type: text/html;charset=utf-8\r\n"+
|
||||
"Content-Length: 0\r\n\r\n";
|
||||
public static String getCode200(long nspFileSize){
|
||||
return String.format(CODE_200, ZonedDateTime.now(ZoneId.of("GMT")).format(DateTimeFormatter.RFC_1123_DATE_TIME), nspFileSize-1, nspFileSize, nspFileSize);
|
||||
}
|
||||
public static String getCode206(long nspFileSize, long startPos, long endPos){
|
||||
return String.format(CODE_206, ZonedDateTime.now(ZoneId.of("GMT")).format(DateTimeFormatter.RFC_1123_DATE_TIME), startPos, endPos, nspFileSize, endPos-startPos+1);
|
||||
}
|
||||
public static String getCode404(){
|
||||
return String.format(CODE_404, ZonedDateTime.now(ZoneId.of("GMT")).format(DateTimeFormatter.RFC_1123_DATE_TIME));
|
||||
}
|
||||
public static String getCode416(){
|
||||
return String.format(CODE_416, ZonedDateTime.now(ZoneId.of("GMT")).format(DateTimeFormatter.RFC_1123_DATE_TIME));
|
||||
}
|
||||
public static String getCode400(){
|
||||
return String.format(CODE_400, ZonedDateTime.now(ZoneId.of("GMT")).format(DateTimeFormatter.RFC_1123_DATE_TIME));
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue