source: trunk/src/org/expeditee/auth/account/Password.java@ 1340

package org.expeditee.auth.account;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;
import java.sql.SQLException;
import java.util.Map;
import java.util.Properties;

import javax.crypto.SecretKey;
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;

import org.expeditee.auth.AuthenticatorBrowser;
import org.expeditee.auth.tags.AuthenticationTag;
import org.expeditee.gui.DisplayController;
import org.expeditee.gui.FrameIO;
import org.expeditee.gui.MessageBay;

public class Password {
        /*
         * Changes the recorded password for a user in the key store.
         */
        public static void changePassword(Map<AuthenticationTag, String> userdata) throws NoSuchAlgorithmException, KeyStoreException, FileNotFoundException, CertificateException, IOException, ClassNotFoundException, SQLException {
                String username = userdata.get(AuthenticationTag.Username);
                String password = userdata.get(AuthenticationTag.Password);
                String newpassword = userdata.get(AuthenticationTag.NewPassword);

                final SecretKey key = AuthenticatorBrowser.getInstance().getSecretKey(username, password);
                if (key == null) {
                        MessageBay.errorMessage("The username + existing password combination was incorrect.");
                } else {
                        AuthenticatorBrowser.getInstance().putKey(username, newpassword, key);
                        MessageBay.displayMessage("Password changed successfully.");
                        DisplayController.setCurrentFrame(FrameIO.LoadFrame("multiuser1"), true);
                }
        }

        public static void generateAndDeliverIntergalacticNumber(Map<AuthenticationTag, String> userData) {
                String username = userData.get(AuthenticationTag.Username);
                String email = userData.get(AuthenticationTag.Email);
                try {
                        // Generate message text.
                        String intergalacticNumber = AuthenticatorBrowser.getInstance().newIntergalacticNumber(username, email);
                        String nl = System.getProperty("line.separator");
                        StringBuilder sb = new StringBuilder();
                        sb.append("You are receiving this email because someone is attempting to reset your Expeditee password." + nl);
                        sb.append("If you did not make this request then no action is required." + nl);
                        sb.append("If it was you who made this request, the following string of characters is your intergalactic number: " + intergalacticNumber + nl);
                        
                        // Establish properties for email.
                        Properties properties = System.getProperties();
                        properties.setProperty("mail.transport.protocol", "smtp");
                        properties.setProperty("mail.smtp.host", "smtp.gmail.com");
                        properties.setProperty("mail.smtp.port", "465");
                        properties.setProperty("mail.smtp.starttls.enable", "true");
                        properties.setProperty("mail.smtp.auth", "true");
                        properties.setProperty("mail.smtp.debug", "true");
                        properties.setProperty("mail.smtp.auth", "true");
                        properties.setProperty("mail.smtp.socketFactory.port", "465");
                        properties.setProperty("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
                        properties.setProperty("mail.smtp.socketFactory.fallback", "false");
                        
                        Session session = Session.getDefaultInstance(properties, new javax.mail.Authenticator() {
                                @Override
                                protected PasswordAuthentication getPasswordAuthentication() {
                                        return new PasswordAuthentication("noreply.expeditee", "intergalacticnumber");
                                };
                        });
                        
                        // construct email message
                        final MimeMessage message = new MimeMessage(session);
                        message.setFrom(new InternetAddress("[email protected]"));
                        message.addRecipient(Message.RecipientType.TO, new InternetAddress(email));
                        message.setSubject("Expeditee Password Recovery");
                        message.setText(sb.toString());
                        
                        // send email message
                        Transport.send(message);                
                } catch (KeyStoreException | NoSuchAlgorithmException | CertificateException | ClassNotFoundException
                                | IOException | SQLException | MessagingException e) {
                        e.printStackTrace();
                }
        }
}