import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import javax.swing.JFileChooser;
import javax.crypto.Cipher;
import javax.crypto.CipherOutputStream;
import javax.crypto.spec.SecretKeySpec;
import javax.swing.JOptionPane;
import java.io.*;
import java.sql.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.util.*;
import java.util.Properties;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
public class FP extends HttpServlet { // JDK 1.6 and above only
final int re = 8;
final int rd = 26-re;
final int te = 4;
final int td = 10-te;
public StringBuffer encrypt(String text, int s, int t){
StringBuffer result= new StringBuffer();
for (int i=0; i<text.length(); i++){
if (Character.isUpperCase(text.charAt(i))){
char ch = (char)(((int)text.charAt(i) + s - 65) % 26 + 65);
result.append(ch);
}else if(Character.isDigit(text.charAt(i))){
char ch = (char)(((int)text.charAt(i) + t - 48) % 10 + 48);
result.append(ch);
}else{
char ch = (char)(((int)text.charAt(i) + s - 97) % 26 + 97);
result.append(ch);
}
}
return result;
}
//String from,String password,String to,String sub,String msg
public static void send(String tomail,String msg){
// Recipient's email ID needs to be mentioned.
//String to = "[email protected]";
String to = tomail;
// Sender's email ID needs to be mentioned
String from = "[email protected]";//change accordingly
final String username = "[email protected]";//change accordingly
final String password = "rohanaudia8";//change accordingly
// Assuming you are sending email through relay.jangosmtp.net
String host = "smtp.gmail.com";
Properties props = new Properties();
props.put("mail.smtp.auth", "true");
props.put("mail.smtp.starttls.enable", "true");
props.put("mail.smtp.host", host);
props.put("mail.smtp.port", "587");
// Get the Session object.
Session session = Session.getInstance(props,
new javax.mail.Authenticator() {
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(username, password);
}
});
try {
// Create a default MimeMessage object.
Message message = new MimeMessage(session);
// Set From: header field of the header.
message.setFrom(new InternetAddress(from));
// Set To: header field of the header.
message.setRecipients(Message.RecipientType.TO,
InternetAddress.parse(to));
// Set Subject: header field
message.setSubject("Login Credentials");
// Now set the actual message
message.setText("" + msg);
// Send message
Transport.send(message);
System.out.println("Sent message successfully....");
} catch (MessagingException e) {
throw new RuntimeException(e);
}
}
// The doGet() runs once per HTTP GET request to this servlet.
@Override
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
// Set the MIME type for the response message
response.setContentType("text/html");
// Get a output writer to write the response message into the network socket
PrintWriter out = response.getWriter();
String RegNo1 = request.getParameter("rollno");
int RegNo = Integer.parseInt(RegNo1);
int r = 0;
try{
Class.forName("org.sqlite.JDBC");
Connection c = DriverManager.getConnection("jdbc:sqlite:C:/sqlite/PasswordL.db");
Statement stmt = c.createStatement();
ResultSet rs = stmt.executeQuery("SELECT * FROM Passwords;");
while(rs.next()){
String username2 = rs.getString("username");
String password2 = rs.getString("password");
int RegNo2 = rs.getInt("RegNo");
String img2 = rs.getString("pic");
String pixel = rs.getString("Pixel");
if(RegNo2==RegNo){
StringBuffer passwordD = encrypt(password2,rd,td);
String PasswordD = passwordD.toString();
StringBuffer pixelD = encrypt(pixel,rd,td);
String PixelD = pixelD.toString();
PixelD = PixelD.replace('H','.');
PixelD = PixelD.replace('F',',');
PixelD = PixelD.replace('G','-');
String email = rs.getString("UserEmail");
send(email,"Your details are as follows: \n"+"\nUsername: "+username2+"\nPassword: "+PasswordD+"\nImage: "+img2+"\nPixels: "+PixelD);
out.println("<html><head><style>p{font-size: 30px;color:white;width: 405px;height: 105px;top: 50%;left: 50%;margin: -50px 0 0 -200px; position: absolute; background: rgba(0,0,0,0.8);}</style><script type=\"text/javascript\">function Redirect(){window.location=\"https://localhost:8443/password/Login.html\";}setTimeout('Redirect()', 5000);</script></head><body><center><p id=\"demo\">Email has been sent! You will be redirected to the login page in 5 sec.</p></center></body></html>");
r = 1;
break;//
}
}
if(r==0){
out.println("<html><head><style>p{font-size: 30px;color:white;width: 405px;height: 105px;top: 50%;left: 50%;margin: -50px 0 0 -200px; position: absolute; background: rgba(0,0,0,0.8);}</style><script type=\"text/javascript\">function Redirect(){window.location=\"https://localhost:8443/password/SignUp.html\";}setTimeout('Redirect()', 5000);</script></head><body><center><p id=\"demo\">Welcome! You have been registered. You will be redirected to the sign up page in 5 sec.</p></center></body></html>");}
stmt.close();
c.close();
}catch(Exception e){
out.println(e.getClass().getName() + ": " + e.getMessage());
out.println("<html><head><style>p{font-size: 30px;color:white;width: 405px;height: 105px;top: 50%;left: 50%;margin: -50px 0 0 -200px; position: absolute; background: rgba(0,0,0,0.8);}</style><script type=\"text/javascript\">function Redirect(){window.location=\"https://localhost:8443/password/Login.html\";}setTimeout('Redirect()', 5000);</script></head><body><center><p id=\"demo\">"+e.getClass().getName() + ": " + e.getMessage()+"</p></center></body></html>");
}
}
}
