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- /*
- * Copyright (c) 2006-2011 Chris Smith, Shane Mc Cormack, Gregory Holmes
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
- package com.dmdirc.addons.userlevel;
-
- import com.dmdirc.actions.ActionManager;
- import com.dmdirc.actions.CoreActionType;
- import com.dmdirc.actions.interfaces.ActionComponent;
- import com.dmdirc.actions.interfaces.ActionType;
- import com.dmdirc.config.IdentityManager;
- import com.dmdirc.interfaces.ActionListener;
- import com.dmdirc.interfaces.ConfigChangeListener;
- import com.dmdirc.parser.interfaces.ChannelClientInfo;
- import com.dmdirc.parser.interfaces.ClientInfo;
- import com.dmdirc.plugins.Plugin;
-
- import java.util.HashMap;
- import java.util.Map;
-
- /**
- * Allows the client to assign user levels to users (based on hostname matches),
- * and for actions/plugins to check those levels.
- *
- * @author chris
- */
- public class UserLevelPlugin extends Plugin implements ActionListener,
- ConfigChangeListener {
-
- /** The domain used for userlevels. */
- private static final String DOMAIN = "userlevels";
-
- /** A map of hostmasks to associated level numbers. */
- private static final Map<String, Integer> LEVELS = new HashMap<String, Integer>();
-
- /** {@inheritDoc} */
- @Override
- public void onLoad() {
- ActionManager.addListener(this, CoreActionType.CHANNEL_JOIN);
- ActionManager.registerActionComponents(
- new ActionComponent[]{
- new AccessLevelComponent(),
- new ChannelAccessLevelComponent()
- });
- IdentityManager.getGlobalConfig().addChangeListener(DOMAIN, this);
- loadLevels();
- }
-
- /** {@inheritDoc} */
- @Override
- public void onUnload() {
- ActionManager.removeListener(this);
- IdentityManager.getGlobalConfig().removeListener(this);
- }
-
- /** {@inheritDoc} */
- @Override
- public void processEvent(final ActionType type, final StringBuffer format,
- final Object... arguments) {
- switch ((CoreActionType) type) {
- case CHANNEL_JOIN:
- doChannelLevel((ChannelClientInfo) arguments[1]);
- break;
- }
- }
-
- /**
- * Updates the specified channel client's channel user level.
- *
- * @param client The client whose user level is to be updated
- */
- protected static void doChannelLevel(final ChannelClientInfo client) {
- doGlobalLevel(client.getClient());
- }
-
- /**
- * Updates the specified client's global user level.
- *
- * @param client The client whose user level is to be updated
- */
- @SuppressWarnings("unchecked")
- protected static void doGlobalLevel(final ClientInfo client) {
- final String host = client.getNickname() + "!" + client.getUsername()
- + "@" + client.getHostname();
-
- int level = 0;
-
- synchronized (LEVELS) {
- for (Map.Entry<String, Integer> entry : LEVELS.entrySet()) {
- if (host.matches(entry.getKey())) {
- level = Math.max(level, entry.getValue());
- }
- }
- }
-
- client.getMap().put("level", level);
- }
-
- /** {@inheritDoc} */
- @Override
- public void configChanged(final String domain, final String key) {
- if (DOMAIN.equals(domain)) {
- loadLevels();
- }
- }
-
- /**
- * Loads all levels from the config file into our map.
- */
- private void loadLevels() {
- LEVELS.clear();
-
- for (Map.Entry<String, String> item
- : IdentityManager.getGlobalConfig().getOptions(DOMAIN).entrySet()) {
- try {
- LEVELS.put(item.getKey(), Integer.parseInt(item.getValue()));
- } catch (NumberFormatException ex) {
- LEVELS.put(item.getKey(), 0);
- }
- }
- }
-
- }
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