Add client-side user ignore list

This commit adds a client-side per-server ignore list.
* Whispers and talk from an ignored user is hidden
* Ignored users cannot join your tables
* Ignored users tables are hidden

Mage.Client/src/main/java/mage/client/MageFrame.java

@@ -1057,6 +1057,12 @@ public class MageFrame extends javax.swing.JFrame implements MageClient {
         this.tablesPane.hideTables();
     }
 
+    public void setTableFilter() {
+        if (this.tablesPane != null) {
+            this.tablesPane.setTableFilter();
+        }
+    }
+
     public void showGames(boolean setActive) {
         MagePane topPanebefore = getTopMost(tablesPane);
         if (!tablesPane.isVisible()) {

Mage.Client/src/main/java/mage/client/SessionHandler.java

@@ -5,6 +5,7 @@ import java.util.List;
 import java.util.Set;
 import java.util.UUID;
 import mage.cards.decks.DeckCardLists;
+import mage.client.chat.LocalCommands;
 import mage.constants.ManaType;
 import mage.constants.PlayerAction;
 import mage.game.match.MatchOptions;
@@ -306,7 +307,11 @@ public class SessionHandler {
     }
 
     public static boolean sendChatMessage(UUID chatId, String text) {
-        return session.sendChatMessage(chatId, text);
+        if (!LocalCommands.handleLocalCommands(chatId, text)) {
+            return session.sendChatMessage(chatId, text);
+        } else {
+            return false;
+        }
     }
 
     public static boolean sendPlayerManaType(UUID gameId, UUID playerId, ManaType data) {

Mage.Client/src/main/java/mage/client/chat/ChatPanelBasic.java

@@ -271,8 +271,8 @@ public class ChatPanelBasic extends javax.swing.JPanel {
         if (color.equals(MessageColor.YELLOW)) {
             textColor = "Yellow";
         }
-        if (messageType == MessageType.WHISPER) {
-            if (username.equalsIgnoreCase("Whisper from " + SessionHandler.getUserName())) {
+        if (messageType == MessageType.WHISPER_FROM) {
+            if (username.equalsIgnoreCase(SessionHandler.getUserName())) {
                 if (message.toLowerCase().startsWith("profanity 0")) {
                     PreferencesDialog.saveValue(PreferencesDialog.KEY_GAME_USE_PROFANITY_FILTER, "0");
                 } else if (message.toLowerCase().startsWith("profanity 1")) {
@@ -281,6 +281,10 @@ public class ChatPanelBasic extends javax.swing.JPanel {
                     PreferencesDialog.saveValue(PreferencesDialog.KEY_GAME_USE_PROFANITY_FILTER, "2");
                 }
             }
+            username = "Whisper from " + username;
+        }
+        if (messageType == MessageType.WHISPER_TO) {
+            username = "Whisper to " + username;
         }
 
         Matcher matchPattern = cardNamePattern.matcher(message);

Mage.Client/src/main/java/mage/client/chat/ChatPanelSeparated.java

@@ -57,7 +57,8 @@ public class ChatPanelSeparated extends ChatPanelBasic {
     public void receiveMessage(String username, String message, String time, ChatMessage.MessageType messageType, ChatMessage.MessageColor color) {
         switch (messageType) {
             case TALK:
-            case WHISPER:
+            case WHISPER_TO:
+            case WHISPER_FROM:
             case USER_INFO:
                 super.receiveMessage(username, message, time, messageType, color);
                 return;

Mage.Client/src/main/java/mage/client/chat/LocalCommands.java

@@ -0,0 +1,65 @@
+package mage.client.chat;
+
+import mage.client.MageFrame;
+import mage.client.SessionHandler;
+import mage.client.util.IgnoreList;
+import mage.interfaces.callback.ClientCallback;
+import mage.view.ChatMessage;
+
+import java.text.DateFormat;
+import java.util.Date;
+import java.util.Optional;
+import java.util.StringTokenizer;
+import java.util.UUID;
+
+public class LocalCommands {
+
+    private static final DateFormat timeFormatter = DateFormat.getTimeInstance(DateFormat.SHORT);
+
+    /**
+     * Handler for commands that do not require server interaction, i.e settings etc
+     * @param chatId
+     * @param text
+     * @return true if the command was handled locally, else false
+     */
+    public static boolean handleLocalCommands(UUID chatId, String text) {
+        final StringTokenizer st = new StringTokenizer(text.trim());
+        final int tokens = st.countTokens();
+        if (tokens == 0) {
+            return false;
+        }
+
+        final String serverAddress = SessionHandler.getSession().getServerHostname().orElseGet(() -> "");
+        Optional<String> response = Optional.empty();
+
+        switch (st.nextToken()) {
+            case "/ignore":
+            case "\\ignore":
+                final String ignoreTarget = tokens > 1 ? st.nextToken() : "";
+                response = Optional.of(IgnoreList.ignore(serverAddress, ignoreTarget));
+                break;
+            case "/unignore":
+            case "\\unignore":
+                final String unignoreTarget = tokens > 1 ? st.nextToken() : "";
+                response = Optional.of(IgnoreList.unignore(serverAddress, unignoreTarget));
+                break;
+            // TODO: move profanity settings to here
+            default:
+                break;
+        }
+
+        if (response.isPresent()) {
+            displayLocalCommandResponse(chatId, response.get());
+            return true;
+        }
+
+        return false;
+    }
+
+    private static void displayLocalCommandResponse(UUID chatId, String response) {
+        final String text = new StringBuilder().append("<font color=yellow>").append(response).append("</font>").toString();
+        ClientCallback chatMessage = new ClientCallback("chatMessage", chatId,
+                new ChatMessage("", text, timeFormatter.format(new Date()), ChatMessage.MessageColor.BLUE));
+        MageFrame.getInstance().processCallback(chatMessage);
+    }
+}

Mage.Client/src/main/java/mage/client/dialog/NewTableDialog.java

@@ -41,6 +41,7 @@ import mage.client.SessionHandler;
 import mage.client.components.MageComponents;
 import mage.client.table.TablePlayerPanel;
 import mage.client.util.Event;
+import mage.client.util.IgnoreList;
 import mage.client.util.Listener;
 import mage.constants.MatchTimeLimit;
 import mage.constants.MultiplayerAttackOption;
@@ -386,6 +387,8 @@ public class NewTableDialog extends MageDialog {
         options.setPassword(this.txtPassword.getText());
         options.setQuitRatio((Integer) this.spnQuitRatio.getValue());
         options.setEdhPowerLevel((Integer) this.spnEdhPowerLevel.getValue());
+        String serverAddress = SessionHandler.getSession().getServerHostname().orElseGet(() -> "");
+        options.setBannedUsers(IgnoreList.ignoreList(serverAddress));
         if (!checkMatchOptions(options)) {
             return;
         }

Mage.Client/src/main/java/mage/client/preference/MagePreferences.java

@@ -1,8 +1,11 @@
 package mage.client.preference;
 
+import com.google.common.collect.Sets;
+import mage.client.MageFrame;
+
+import java.util.Set;
 import java.util.prefs.BackingStoreException;
 import java.util.prefs.Preferences;
-import mage.client.MageFrame;
 
 // TODO: Move all preference related logic from MageFrame and PreferencesDialog to this class.
 public class MagePreferences {
@@ -14,6 +17,8 @@ public class MagePreferences {
     private static final String KEY_EMAIL = "email";
     private static final String KEY_AUTO_CONNECT = "autoConnect";
 
+    private static final String NODE_KEY_IGNORE_LIST = "ignoreListString";
+
     private static Preferences prefs() {
         // TODO: Move MageFrame.prefs to this class.
         return MageFrame.getPreferences();
@@ -98,4 +103,36 @@ public class MagePreferences {
     public static void setAutoConnect(boolean autoConnect) {
         prefs().putBoolean(KEY_AUTO_CONNECT, autoConnect);
     }
+
+    public static void addIgnoredUser(String serverAddress, String username) {
+        ignoreListNode(serverAddress).putBoolean(username, true);
+    }
+
+    public static boolean removeIgnoredUser(String serverAddress, String username) {
+        Preferences ignoreList = ignoreListNode(serverAddress);
+        boolean exists = ignoreList.getBoolean(username, false);
+        if (exists) {
+            ignoreList.remove(username);
+        }
+
+        return exists;
+    }
+
+    public static Set<String> ignoreList(String serverAddress) {
+        try {
+            return Sets.newHashSet(ignoreListNode(serverAddress).keys());
+        } catch (BackingStoreException e) {
+            e.printStackTrace();
+        }
+        return Sets.newHashSet();
+    }
+
+    public static void clearIgnoreList(String serverAddress) throws BackingStoreException {
+        ignoreListNode(serverAddress).clear();
+    }
+
+    private static Preferences ignoreListNode(String serverAddress) {
+        return prefs().node(NODE_KEY_IGNORE_LIST).node(serverAddress);
+    }
+
 }

Mage.Client/src/main/java/mage/client/remote/CallbackClientImpl.java

@@ -34,6 +34,7 @@ import javax.swing.JOptionPane;
 import javax.swing.SwingUtilities;
 import mage.cards.decks.Deck;
 import mage.client.MageFrame;
+import mage.client.SessionHandler;
 import mage.client.chat.ChatPanelBasic;
 import mage.client.constants.Constants.DeckEditorMode;
 import mage.client.dialog.PreferencesDialog;
@@ -42,6 +43,7 @@ import mage.client.game.GamePanel;
 import mage.client.plugins.impl.Plugins;
 import mage.client.util.DeckUtil;
 import mage.client.util.GameManager;
+import mage.client.util.IgnoreList;
 import mage.client.util.audio.AudioManager;
 import mage.client.util.object.SaveObjectUtil;
 import mage.interfaces.callback.CallbackClient;
@@ -110,6 +112,15 @@ public class CallbackClientImpl implements CallbackClient {
                         break;
                     case "chatMessage": {
                         ChatMessage message = (ChatMessage) callback.getData();
+
+                        // Drop messages from ignored users
+                        if (message.getUsername() != null && IgnoreList.IGNORED_MESSAGE_TYPES.contains(message.getMessageType())) {
+                            final String serverAddress = SessionHandler.getSession().getServerHostname().orElseGet(() -> "");
+                            if (IgnoreList.userIsIgnored(serverAddress, message.getUsername())) {
+                                break;
+                            }
+                        }
+
                         ChatPanelBasic panel = MageFrame.getChat(callback.getObjectId());
                         if (panel != null) {
                             // play the sound related to the message
@@ -422,6 +433,7 @@ public class CallbackClientImpl implements CallbackClient {
                 usedPanel.receiveMessage("", new StringBuilder("Download card images by using the \"Images\" menu to the top right .")
                         .append("<br/>Download icons and symbols by using the \"Symbols\" menu to the top right.")
                         .append("<br/>\\list - Show a list of available chat commands.")
+                        .append("<br/>").append(IgnoreList.usage())
                         .append("<br/>Type <font color=green>\\w yourUserName profanity 0 (or 1 or 2)</font> to turn off/on the profanity filter").toString(),
                         null, MessageType.USER_INFO, ChatMessage.MessageColor.BLUE);
                 break;

Mage.Client/src/main/java/mage/client/table/TablesPane.java

@@ -140,4 +140,10 @@ public class TablesPane extends MagePane {
     public void deactivated() {
         tablesPanel.stopTasks();
     }
+
+    public void setTableFilter() {
+        if (tablesPanel != null) {
+            tablesPanel.setTableFilter();
+        }
+    }
 }

Mage.Client/src/main/java/mage/client/table/TablesPanel.java

@@ -51,6 +51,7 @@ import java.util.Collection;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
 import java.util.UUID;
 import java.util.concurrent.CancellationException;
 import java.util.concurrent.ExecutionException;
@@ -85,6 +86,7 @@ import mage.client.dialog.TableWaitingDialog;
 import static mage.client.table.TablesPanel.PASSWORDED;
 import mage.client.util.ButtonColumn;
 import mage.client.util.GUISizeHelper;
+import mage.client.util.IgnoreList;
 import mage.client.util.MageTableRowSorter;
 import mage.client.util.gui.GuiDisplayUtil;
 import mage.client.util.gui.TableUtil;
@@ -550,7 +552,7 @@ public class TablesPanel extends javax.swing.JPanel {
         return chatPanelMain.getUserChatPanel();
     }
 
-    private void setTableFilter() {
+    public void setTableFilter() {
         // state
         List<RowFilter<Object, Object>> stateFilterList = new ArrayList<>();
         if (btnStateWaiting.isSelected()) {
@@ -630,6 +632,20 @@ public class TablesPanel extends javax.swing.JPanel {
             passwordFilterList.add(RowFilter.regexFilter("^\\*\\*\\*$", TableTableModel.COLUMN_PASSWORD));
         }
 
+        // Hide games of ignored players
+        List<RowFilter<Object, Object>> ignoreListFilterList = new ArrayList<>();
+        String serverAddress = SessionHandler.getSession().getServerHostname().orElseGet(() -> "");
+        final Set<String> ignoreListCopy = IgnoreList.ignoreList(serverAddress);
+        if (ignoreListCopy.size() > 0) {
+            ignoreListFilterList.add(new RowFilter<Object, Object>() {
+                @Override
+                public boolean include(Entry<? extends Object, ? extends Object> entry) {
+                    final String owner = entry.getStringValue(TableTableModel.COLUMN_OWNER);
+                    return !ignoreListCopy.contains(owner);
+                }
+            });
+        }
+
         if (stateFilterList.isEmpty() || typeFilterList.isEmpty() || formatFilterList.isEmpty()
                 || skillFilterList.isEmpty() || ratingFilterList.isEmpty()
                 || passwordFilterList.isEmpty()) { // no selection
@@ -673,6 +689,12 @@ public class TablesPanel extends javax.swing.JPanel {
                 filterList.addAll(passwordFilterList);
             }
 
+            if (ignoreListFilterList.size() > 1) {
+                filterList.add(RowFilter.orFilter(ignoreListFilterList));
+            } else if (ignoreListFilterList.size() == 1) {
+                filterList.addAll(ignoreListFilterList);
+            }
+
             if (filterList.size() == 1) {
                 activeTablesSorter.setRowFilter(filterList.get(0));
             } else {
@@ -1177,6 +1199,8 @@ public class TablesPanel extends javax.swing.JPanel {
             options.setSkillLevel(SkillLevel.CASUAL);
             options.setRollbackTurnsAllowed(true);
             options.setQuitRatio(100);
+            String serverAddress = SessionHandler.getSession().getServerHostname().orElseGet(() -> "");
+            options.setBannedUsers(IgnoreList.ignoreList(serverAddress));
             table = SessionHandler.createTable(roomId, options);
 
             SessionHandler.joinTable(roomId, table.getTableId(), "Human", "Human", 1, DeckImporterUtil.importDeck("test.dck"), "");

Mage.Client/src/main/java/mage/client/util/IgnoreList.java

@@ -0,0 +1,98 @@
+package mage.client.util;
+
+import com.google.common.collect.ImmutableSet;
+import mage.client.MageFrame;
+import mage.client.preference.MagePreferences;
+import mage.view.ChatMessage;
+
+import java.util.Arrays;
+import java.util.Set;
+
+public class IgnoreList {
+
+    private static final String USAGE = "<br/><font color=yellow>\\ignore - shows current ignore list on this server."
+            + "<br/>\\ignore [username] - add a username to your ignore list on this server."
+            + "<br/>\\unignore [username] - remove a username from your ignore list on this server.</font>";
+
+    public static final int MAX_IGNORE_LIST_SIZE = 50;
+    public static Set<ChatMessage.MessageType> IGNORED_MESSAGE_TYPES =
+            ImmutableSet.of(ChatMessage.MessageType.TALK,
+                    ChatMessage.MessageType.WHISPER_FROM);
+
+    public static String usage() {
+        return USAGE;
+    }
+
+    public static Set<String> ignoreList(String serverAddress) {
+        return MagePreferences.ignoreList(serverAddress);
+    }
+
+    public static String ignoreListString(String serverAddress) {
+        final String[] list = MagePreferences.ignoreList(serverAddress).toArray(new String[0]);
+        Arrays.sort(list);
+        return "<font color=yellow>Current ignore list on " + serverAddress + ": "
+                + Arrays.toString(list)
+                + "</font>";
+    }
+
+    public static String ignore(String serverAddress, String user) {
+        if (user == null || user.length() == 0) {
+            return ignoreListString(serverAddress);
+        }
+
+        if (MagePreferences.ignoreList(serverAddress).size() >= MAX_IGNORE_LIST_SIZE) {
+            return "Your ignore list is too big, remove a user to be able to add a new one.";
+        }
+
+        if (userIsIgnored(serverAddress, user)) {
+            return new StringBuilder()
+                    .append(user)
+                    .append(" is already on your ignore list on ")
+                    .append(serverAddress)
+                    .toString();
+        }
+
+        MagePreferences.addIgnoredUser(serverAddress, user);
+        updateTablesTable();
+
+        return new StringBuilder()
+                .append("Added ")
+                .append(user)
+                .append(" to your ignore list on ")
+                .append(serverAddress)
+                .toString();
+    }
+
+    private static void updateTablesTable() {
+        MageFrame mageFrame = MageFrame.getInstance();
+        if (mageFrame != null) {
+            mageFrame.setTableFilter();
+        }
+    }
+
+    public static String unignore(String serverAddress, String user) {
+        if (user == null || user.length() == 0) {
+            return usage();
+        }
+        if (MagePreferences.removeIgnoredUser(serverAddress, user)) {
+            updateTablesTable();
+            return new StringBuilder()
+                    .append("Removed ")
+                    .append(user)
+                    .append(" from your ignore list on ")
+                    .append(serverAddress)
+                    .toString();
+        } else {
+            return new StringBuilder()
+                    .append("No such user \"")
+                    .append(user)
+                    .append("\" on your ignore list on ")
+                    .append(serverAddress)
+                    .toString();
+        }
+    }
+
+    public static boolean userIsIgnored(String serverAddress, String username) {
+        return MagePreferences.ignoreList(serverAddress).contains(username);
+    }
+}

Mage.Client/src/test/java/mage/client/preference/MagePreferencesTest.java

@@ -0,0 +1,47 @@
+package mage.client.preference;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import static org.hamcrest.core.Is.is;
+import static org.junit.Assert.assertThat;
+
+public class MagePreferencesTest {
+    @Before
+    public void setUp() {
+        MagePreferences.ignoreList("test.com.xx").clear();
+    }
+
+    @After
+    public void tearDown() {
+        MagePreferences.ignoreList("test.com.xx").clear();
+    }
+
+    @Test
+    public void testIgnoreList() throws Exception {
+        assertThat(MagePreferences.ignoreList("test.com.xx").size(), is(0));
+        assertThat(MagePreferences.removeIgnoredUser("test.com.xx", "test"), is(false));
+
+        MagePreferences.addIgnoredUser("test.com.xx", "test");
+        assertThat(MagePreferences.ignoreList("test.com.xx").size(), is(1));
+        assertThat(MagePreferences.ignoreList("other.com.xx").size(), is(0));
+
+        MagePreferences.addIgnoredUser("test.com.xx", "lul");
+        assertThat(MagePreferences.ignoreList("test.com.xx").size(), is(2));
+
+        assertThat(MagePreferences.ignoreList("test.com.xx").contains("test"), is(true));
+        assertThat(MagePreferences.ignoreList("test.com.xx").contains("lul"), is(true));
+
+        assertThat(MagePreferences.removeIgnoredUser("test.com.xx", "test"), is(true));
+        assertThat(MagePreferences.removeIgnoredUser("test.com.xx", "test"), is(false));
+        assertThat(MagePreferences.ignoreList("test.com.xx").size(), is(1));
+
+        assertThat(MagePreferences.removeIgnoredUser("test.com.xx", "lul"), is(true));
+        assertThat(MagePreferences.removeIgnoredUser("test.com.xx", "lul"), is(false));
+        assertThat(MagePreferences.ignoreList("test.com.xx").size(), is(0));
+
+        assertThat(MagePreferences.ignoreList("test.com.xx").contains("test"), is(false));
+        assertThat(MagePreferences.ignoreList("test.com.xx").contains("lul"), is(false));
+    }
+}

Mage.Client/src/test/java/mage/client/util/IgnoreListTest.java

@@ -0,0 +1,85 @@
+package mage.client.util;
+
+import mage.client.preference.MagePreferences;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import static junit.framework.TestCase.assertEquals;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.core.Is.is;
+
+public class IgnoreListTest {
+
+    @Before
+    public void setUp() throws Exception {
+        MagePreferences.clearIgnoreList("test.com.xx");
+    }
+
+    @After
+    public void tearDown() throws Exception {
+        MagePreferences.clearIgnoreList("test.com.xx");
+    }
+
+    @Test
+    public void ignoreListEmpty() throws Exception {
+        assertThat(IgnoreList.ignoreListString("test.com.xx"), is("<font color=yellow>Current ignore list on test.com.xx: []</font>"));
+    }
+
+    @Test
+    public void ignoreList() throws Exception {
+        final String test = IgnoreList.ignore("test.com.xx", "test");
+        final String kranken = IgnoreList.ignore("test.com.xx", "kranken");
+        assertThat(IgnoreList.ignoreListString("test.com.xx"), is("<font color=yellow>Current ignore list on test.com.xx: [kranken, test]</font>"));
+        assertThat(test, is("Added test to your ignore list on test.com.xx"));
+        assertThat(kranken, is("Added kranken to your ignore list on test.com.xx"));
+    }
+
+    @Test
+    public void ignore() throws Exception {
+        assertThat(IgnoreList.userIsIgnored("test.com.xx", "kranken"), is(false));
+        final String r = IgnoreList.ignore("test.com.xx", "kranken");
+        assertThat(IgnoreList.userIsIgnored("test.com.xx", "kranken"), is(true));
+        assertEquals(r, "Added kranken to your ignore list on test.com.xx");
+    }
+
+    @Test
+    public void ignoreAgain() throws Exception {
+        assertThat(IgnoreList.userIsIgnored("test.com.xx", "kranken"), is(false));
+        IgnoreList.ignore("test.com.xx", "kranken");
+        final String r = IgnoreList.ignore("test.com.xx", "kranken");
+        assertThat(IgnoreList.userIsIgnored("test.com.xx", "kranken"), is(true));
+        assertEquals(r, "kranken is already on your ignore list on test.com.xx");
+    }
+
+    @Test
+    public void ignoreDefaultResponse() throws Exception {
+        final String r1 = IgnoreList.ignore("test.com.xx", "");
+        final String r2 = IgnoreList.ignore("test.com.xx", null);
+        assertThat(IgnoreList.ignoreListString("test.com.xx"), is("<font color=yellow>Current ignore list on test.com.xx: []</font>"));
+        assertEquals(r1, r2);
+        assertEquals(r2, "<font color=yellow>Current ignore list on test.com.xx: []</font>");
+    }
+
+    @Test
+    public void ignoreMaxSize() throws Exception {
+        for (int i = 0; i < 50; i++) {
+            IgnoreList.ignore("test.com.xx", "" + i);
+        }
+        final String r = IgnoreList.ignore("test.com.xx", "lul");
+        assertEquals(r, "Your ignore list is too big, remove a user to be able to add a new one.");
+        assertThat(IgnoreList.ignoreListString("test.com.xx"), is("<font color=yellow>Current ignore list on test.com.xx: [0, 1, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 2, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 3, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 4, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 5, 6, 7, 8, 9]</font>"));
+    }
+
+    @Test
+    public void unignore() throws Exception {
+        assertThat(IgnoreList.userIsIgnored("test.com.xx", "kranken"), is(false));
+        IgnoreList.ignore("test.com.xx", "kranken");
+        assertThat(IgnoreList.userIsIgnored("test.com.xx", "kranken"), is(true));
+        final String r = IgnoreList.unignore("test.com.xx", "kranken");
+        assertThat(IgnoreList.userIsIgnored("test.com.xx", "kranken"), is(false));
+        assertEquals(r, "Removed kranken from your ignore list on test.com.xx");
+
+    }
+
+}

Mage.Common/src/mage/remote/SessionImpl.java

@@ -244,6 +244,10 @@ public class SessionImpl implements Session {
                 });
     }
 
+    public Optional<String> getServerHostname() {
+        return isConnected() ? Optional.of(connection.getHost()) : Optional.<String>empty();
+    }
+
     @Override
     public boolean stopConnecting() {
         canceled = true;
@@ -960,6 +964,8 @@ public class SessionImpl implements Session {
         return false;
     }
 
+
+
     @Override
     public boolean joinGame(UUID gameId) {
         try {

Mage.Common/src/mage/remote/interfaces/Connect.java

@@ -29,6 +29,8 @@ package mage.remote.interfaces;
 
 import mage.remote.Connection;
 
+import java.util.Optional;
+
 /**
  * @author noxx
  */
@@ -52,6 +54,8 @@ public interface Connect {
 
     boolean isConnected();
 
+    Optional<String> getServerHostname();
+
     boolean disconnectUser(String userSessionId);
 
     boolean endUserSession(String userSessionId);

Mage.Common/src/mage/view/ChatMessage.java

@@ -49,7 +49,7 @@ public class ChatMessage implements Serializable {
     }
 
     public enum MessageType {
-        USER_INFO, STATUS, GAME, TALK, WHISPER
+        USER_INFO, STATUS, GAME, TALK, WHISPER_FROM, WHISPER_TO
     }
 
     public enum SoundToPlay {

Mage.Server/src/main/java/mage/server/ChatManager.java

@@ -190,7 +190,10 @@ public class ChatManager {
             + "<br/>\\me - shows the history of the current player"
             + "<br/>\\list or \\l - Show a list of commands"
             + "<br/>\\whisper or \\w [player name] [text] - whisper to the player with the given name"
-            + "<br/>[Card Name] - Show a highlighted card name";
+            + "<br/>[Card Name] - Show a highlighted card name"
+            + "<br/>\\ignore - shows current ignore list on this server."
+            + "<br/>\\ignore [username] - add a username to your ignore list on this server."
+            + "<br/>\\unignore [username] - remove a username from your ignore list on this server.";
 
     private boolean performUserCommand(User user, String message, UUID chatId, boolean doError) {
         String command = message.substring(1).trim().toUpperCase(Locale.ENGLISH);

Mage.Server/src/main/java/mage/server/ChatSession.java

@@ -127,10 +127,10 @@ public class ChatSession {
     public boolean broadcastWhisperToUser(User fromUser, User toUser, String message) {
         if (clients.containsKey(toUser.getId())) {
             toUser.fireCallback(new ClientCallback("chatMessage", chatId,
-                    new ChatMessage(new StringBuilder("Whisper from ").append(fromUser.getName()).toString(), message, timeFormatter.format(new Date()), MessageColor.YELLOW, MessageType.WHISPER, SoundToPlay.PlayerWhispered)));
+                    new ChatMessage(fromUser.getName(), message, timeFormatter.format(new Date()), MessageColor.YELLOW, MessageType.WHISPER_FROM, SoundToPlay.PlayerWhispered)));
             if (clients.containsKey(fromUser.getId())) {
                 fromUser.fireCallback(new ClientCallback("chatMessage", chatId,
-                        new ChatMessage(new StringBuilder("Whisper to ").append(toUser.getName()).toString(), message, timeFormatter.format(new Date()), MessageColor.YELLOW, MessageType.WHISPER, null)));
+                        new ChatMessage(toUser.getName(), message, timeFormatter.format(new Date()), MessageColor.YELLOW, MessageType.WHISPER_TO, null)));
                 return true;
             }
         }

Mage.Server/src/main/java/mage/server/TableController.java

@@ -99,7 +99,7 @@ public class TableController {
         } else {
             controllerName = "System";
         }
-        table = new Table(roomId, options.getGameType(), options.getName(), controllerName, DeckValidatorFactory.getInstance().createDeckValidator(options.getDeckType()), options.getPlayerTypes(), TableRecorderImpl.getInstance(), match);
+        table = new Table(roomId, options.getGameType(), options.getName(), controllerName, DeckValidatorFactory.getInstance().createDeckValidator(options.getDeckType()), options.getPlayerTypes(), TableRecorderImpl.getInstance(), match, options.getBannedUsers());
         chatId = ChatManager.getInstance().createChatSession("Match Table " + table.getId());
         init();
     }
@@ -118,7 +118,7 @@ public class TableController {
         } else {
             controllerName = "System";
         }
-        table = new Table(roomId, options.getTournamentType(), options.getName(), controllerName, DeckValidatorFactory.getInstance().createDeckValidator(options.getMatchOptions().getDeckType()), options.getPlayerTypes(), TableRecorderImpl.getInstance(), tournament);
+        table = new Table(roomId, options.getTournamentType(), options.getName(), controllerName, DeckValidatorFactory.getInstance().createDeckValidator(options.getMatchOptions().getDeckType()), options.getPlayerTypes(), TableRecorderImpl.getInstance(), tournament, options.getMatchOptions().getBannedUsers());
         chatId = ChatManager.getInstance().createChatSession("Tourn. table " + table.getId());
     }
 

Mage/src/main/java/mage/game/Table.java

@@ -30,7 +30,9 @@ package mage.game;
 import java.io.Serializable;
 import java.util.Arrays;
 import java.util.Date;
+import java.util.HashSet;
 import java.util.List;
+import java.util.Set;
 import java.util.UUID;
 import mage.cards.decks.DeckValidator;
 import mage.constants.TableState;
@@ -63,6 +65,7 @@ public class Table implements Serializable {
     private Match match;
     private Tournament tournament;
     private TableRecorder recorder;
+    private Set<String> bannedUsernames;
 
     @FunctionalInterface
     public interface TableRecorder {
@@ -71,21 +74,21 @@ public class Table implements Serializable {
 
     protected TableEventSource tableEventSource = new TableEventSource();
 
-    public Table(UUID roomId, String gameType, String name, String controllerName, DeckValidator validator, List<String> playerTypes, TableRecorder recorder, Tournament tournament) {
-        this(roomId, gameType, name, controllerName, validator, playerTypes, recorder);
+    public Table(UUID roomId, String gameType, String name, String controllerName, DeckValidator validator, List<String> playerTypes, TableRecorder recorder, Tournament tournament, Set<String> bannedUsernames) {
+        this(roomId, gameType, name, controllerName, validator, playerTypes, recorder, bannedUsernames);
         this.tournament = tournament;
         this.isTournament = true;
         setState(TableState.WAITING);
     }
 
-    public Table(UUID roomId, String gameType, String name, String controllerName, DeckValidator validator, List<String> playerTypes, TableRecorder recorder, Match match) {
-        this(roomId, gameType, name, controllerName, validator, playerTypes, recorder);
+    public Table(UUID roomId, String gameType, String name, String controllerName, DeckValidator validator, List<String> playerTypes, TableRecorder recorder, Match match, Set<String> bannedUsernames) {
+        this(roomId, gameType, name, controllerName, validator, playerTypes, recorder, bannedUsernames);
         this.match = match;
         this.isTournament = false;
         setState(TableState.WAITING);
     }
 
-    protected Table(UUID roomId, String gameType, String name, String controllerName, DeckValidator validator, List<String> playerTypes, TableRecorder recorder) {
+    protected Table(UUID roomId, String gameType, String name, String controllerName, DeckValidator validator, List<String> playerTypes, TableRecorder recorder, Set<String> bannedUsernames) {
         tableId = UUID.randomUUID();
         this.roomId = roomId;
         this.numSeats = playerTypes.size();
@@ -96,6 +99,7 @@ public class Table implements Serializable {
         createSeats(playerTypes);
         this.validator = validator;
         this.recorder = recorder;
+        this.bannedUsernames = new HashSet<>(bannedUsernames);
     }
 
     private void createSeats(List<String> playerTypes) {
@@ -308,6 +312,10 @@ public class Table implements Serializable {
         }
     }
 
+    public boolean userIsBanned(String username) {
+        return bannedUsernames.contains(username);
+    }
+
     public TableProto toProto() {
         TableProto.Builder builder = TableProto.newBuilder();
         if (this.isTournament()) {

Mage/src/main/java/mage/game/match/MatchOptions.java

@@ -30,7 +30,9 @@ package mage.game.match;
 
 import java.io.Serializable;
 import java.util.ArrayList;
+import java.util.HashSet;
 import java.util.List;
+import java.util.Set;
 import mage.constants.MatchTimeLimit;
 import mage.constants.MultiplayerAttackOption;
 import mage.constants.RangeOfInfluence;
@@ -61,6 +63,7 @@ public class MatchOptions implements Serializable {
     protected int edhPowerLevel;
     protected boolean rated;
     protected int numSeatsForMatch;
+    protected Set<String> bannedUsers = new HashSet<>();
 
     /**
      * Time each player has during the game to play using his\her priority.
@@ -226,6 +229,14 @@ public class MatchOptions implements Serializable {
         this.rated = rated;
     }
 
+    public Set<String> getBannedUsers() {
+        return bannedUsers;
+    }
+
+    public void setBannedUsers(Set<String> bannedUsers) {
+        this.bannedUsers = bannedUsers;
+    }
+
     public ResultProtos.MatchOptionsProto toProto() {
         ResultProtos.MatchOptionsProto.Builder builder = ResultProtos.MatchOptionsProto.newBuilder()
                 .setName(this.getName())

Mage/src/main/java/mage/players/PlayerImpl.java

@@ -3067,7 +3067,7 @@ public abstract class PlayerImpl implements Player, Serializable {
 
     @Override
     public boolean canJoinTable(Table table) {
-        return true;
+        return !table.userIsBanned(name);
     }
 
     @Override