STRLCPY/100-redteam-projects

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Projects/4_Server_for_file_transfers/4_Server_for_file_transfers_2.iml

1	+	<?xml version="1.0" encoding="UTF-8"?>
2	+	<module type="JAVA_MODULE" version="4">
3	+	<component name="NewModuleRootManager" inherit-compiler-output="true">
4	+	<exclude-output />
5	+	<content url="file://$MODULE_DIR$">
6	+	<sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
7	+	</content>
8	+	<orderEntry type="inheritedJdk" />
9	+	<orderEntry type="sourceFolder" forTests="false" />
10	+	</component>
11	+	</module>

Projects/4_Server_for_file_transfers/out/production/4_Server_for_file_transfers_2/com/exemple/Client$1.class

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Projects/4_Server_for_file_transfers/out/production/4_Server_for_file_transfers_2/com/exemple/Client.class

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Projects/4_Server_for_file_transfers/out/production/4_Server_for_file_transfers_2/com/exemple/Server.class

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Projects/4_Server_for_file_transfers/src/com/exemple/Client.java

1	+	package com.exemple;
2	+
3	+	import javax.swing.*;
4	+	import java.awt.*;
5	+	import java.io.DataInputStream;
6	+	import java.io.DataOutputStream;
7	+	import java.io.File;
8	+	import java.io.FileInputStream;
9	+	import java.net.Socket;
10	+
11	+	import static javafx.application.Platform.exit;
12	+
13	+	public class Client {
14	+	private static DataOutputStream dataOutputStream = null;
15	+	private static DataInputStream dataInputStream = null;
16	+	private static String HOST= "localhost";
17	+
18	+	public static void main(String[] args) {
19	+	while (true) {
20	+	try {
21	+	JFileChooser file = new JFileChooser() {
22	+	@Override
23	+	protected JDialog createDialog(Component parent) throws HeadlessException {
24	+	// intercept the dialog created by JFileChooser
25	+	JDialog dialog = super.createDialog(parent);
26	+	dialog.setModal(true); // set modality (or setModalityType)
27	+	dialog.setAlwaysOnTop(true);
28	+	return dialog;
29	+	}
30	+	};
31	+	file.setFileSelectionMode(JFileChooser.FILES_ONLY);
32	+
33	+	int i = file.showSaveDialog(null);
34	+	if (1 == i) {
35	+	System.out.println("Arquivo não informado");
36	+	exit();
37	+	break;
38	+	} else {
39	+	Socket socket = new Socket(HOST, 5000);
40	+
41	+	dataInputStream = new DataInputStream(socket.getInputStream());
42	+	dataOutputStream = new DataOutputStream(socket.getOutputStream());
43	+
44	+	File arquivo = file.getSelectedFile();
45	+	sendFile(arquivo.getPath());
46	+	dataInputStream.close();
47	+	dataInputStream.close();
48	+	}
49	+	} catch (Exception e) {
50	+	e.printStackTrace();
51	+	}
52	+	}
53	+	}
54	+
55	+	private static void sendFile(String path) throws Exception{
56	+	int bytes = 0;
57	+	File file = new File(path);
58	+	FileInputStream fileInputStream = new FileInputStream(file);
59	+
60	+	// send file size
61	+	dataOutputStream.writeUTF(file.getName());
62	+	dataOutputStream.writeLong(file.length());
63	+
64	+	// break file into chunks
65	+	byte[] buffer = new byte[4*1024];
66	+	while ((bytes=fileInputStream.read(buffer))!=-1){
67	+	dataOutputStream.write(buffer,0,bytes);
68	+	dataOutputStream.flush();
69	+	}
70	+	fileInputStream.close();
71	+	}
72	+	}

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Projects/4_Server_for_file_transfers/src/com/exemple/Server.java

1	+	package com.exemple;
2	+
3	+	import java.io.DataInputStream;
4	+	import java.io.DataOutputStream;
5	+	import java.io.FileOutputStream;
6	+	import java.net.ServerSocket;
7	+	import java.net.Socket;
8	+
9	+	public class Server {
10	+	private static DataOutputStream dataOutputStream = null;
11	+	private static DataInputStream dataInputStream = null;
12	+
13	+	public static void main(String[] args) {
14	+	while (true){
15	+	try(ServerSocket serverSocket = new ServerSocket(5000)){
16	+	System.out.println("listening to port:5000");
17	+	Socket clientSocket = serverSocket.accept();
18	+	System.out.println(clientSocket+" connected.");
19	+
20	+	dataInputStream = new DataInputStream(clientSocket.getInputStream());
21	+	dataOutputStream = new DataOutputStream(clientSocket.getOutputStream());
22	+
23	+	receiveFile(dataInputStream.readUTF());
24	+
25	+	dataInputStream.close();
26	+	dataOutputStream.close();
27	+	clientSocket.close();
28	+	} catch (Exception e){
29	+	e.printStackTrace();
30	+	}
31	+	}
32	+	}
33	+
34	+	private static void receiveFile(String fileName) throws Exception{
35	+	int bytes = 0;
36	+	FileOutputStream fileOutputStream = new FileOutputStream(fileName);
37	+
38	+	long size = dataInputStream.readLong(); // read file size
39	+	byte[] buffer = new byte[4*1024];
40	+	while (size > 0 && (bytes = dataInputStream.read(buffer, 0, (int)Math.min(buffer.length, size))) != -1) {
41	+	fileOutputStream.write(buffer,0,bytes);
42	+	size -= bytes; // read upto file size
43	+	}
44	+	fileOutputStream.close();
45	+	}
46	+	}
47	+