94 lines
3.4 KiB
Java
94 lines
3.4 KiB
Java
package envoy.server.processors;
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import java.io.IOException;
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import java.util.Arrays;
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import java.util.Date;
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import java.util.List;
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import java.util.stream.Collectors;
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import envoy.data.Contacts;
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import envoy.data.LoginCredentials;
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import envoy.data.Message.MessageStatus;
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import envoy.data.User;
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import envoy.data.User.UserStatus;
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import envoy.server.ConnectionManager;
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import envoy.server.ObjectProcessor;
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import envoy.server.data.Message;
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import envoy.server.database.PersistenceManager;
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import envoy.server.net.ObjectWriteProxy;
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/**
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* This {@link ObjectProcessor} handles {@link LoginCredentials}.<br>
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* <br>
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* Project: <strong>envoy-server-standalone</strong><br>
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* File: <strong>LoginCredentialProcessor.java</strong><br>
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* Created: <strong>30.12.2019</strong><br>
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*
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* @author Kai S. K. Engelbart
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* @author Maximilian Käfer
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* @since Envoy Server Standalone v0.1-alpha
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*/
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public class LoginCredentialProcessor implements ObjectProcessor<LoginCredentials> {
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private PersistenceManager persistenceManager = PersistenceManager.getPersistenceManager();
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@Override
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public Class<LoginCredentials> getInputClass() { return LoginCredentials.class; }
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@Override
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public void process(LoginCredentials input, long socketId, ObjectWriteProxy writeProxy) throws IOException {
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UserStatusChangeProcessor.setWriteProxy(writeProxy);
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System.out.println(String.format("Received login credentials %s from socket ID %d", input, socketId));
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envoy.server.data.User user = getUser(input);
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// Not logged in successfully
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if (user == null) return;
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ConnectionManager.getInstance().registerUser(user.getId(), socketId);
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// notifies contacts of this users online-going and updates his status in the
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// database
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user.setStatus(UserStatus.ONLINE);
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UserStatusChangeProcessor.updateUserStatus(user);
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// Create contacts
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Contacts contacts = new Contacts(user.getContacts().stream().map(envoy.server.data.User::toCommonUser).collect(Collectors.toList()));
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contacts.getContacts().add(user.toCommonUser());
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// Complete handshake
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System.out.println("Sending user...");
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writeProxy.write(socketId, user.toCommonUser());
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System.out.println("Sending contacts...");
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writeProxy.write(socketId, contacts);
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System.out.println("Acquiring pending messages for the client...");
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List<Message> pendingMessages = PersistenceManager.getPersistenceManager().getUnreadMessages(user);
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for (Message msg : pendingMessages) {
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System.out.println("Sending message " + msg.toCommonMessage().toString());
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writeProxy.write(socketId, msg.toCommonMessage());
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msg.setReceivedDate(new Date());
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msg.setStatus(MessageStatus.RECEIVED);
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PersistenceManager.getPersistenceManager().updateMessage(msg);
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}
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}
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private envoy.server.data.User getUser(LoginCredentials credentials) {
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envoy.server.data.User user;
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if (credentials.isRegistration()) {
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user = new envoy.server.data.User();
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user.setName(credentials.getName());
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user.setLastSeen(new Date());
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user.setStatus(User.UserStatus.ONLINE);
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user.setPasswordHash(credentials.getPasswordHash());
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user.setContacts(PersistenceManager.getPersistenceManager().getContacts(user));
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persistenceManager.addUser(user);
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} else {
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user = persistenceManager.getUserByName(credentials.getName());
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// TODO: Implement error when user does not exist
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if (!Arrays.equals(credentials.getPasswordHash(), user.getPasswordHash())) // TODO: Wrong Password Response
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return null;
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}
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return user;
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}
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}
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