Removal of user account now removes also user's roster.

git-svn-id: http://svn.igniterealtime.org/svn/repos/messenger/trunk@321 b35dd754-fafc-0310-a699-88a17e54d16e

src/java/org/jivesoftware/messenger/handler/IQRegisterHandler.java

@@ -23,10 +23,8 @@ import org.jivesoftware.messenger.*;
 import org.jivesoftware.messenger.auth.Permissions;
 import org.jivesoftware.messenger.auth.UnauthorizedException;
 import org.jivesoftware.messenger.spi.PresenceImpl;
-import org.jivesoftware.messenger.user.User;
-import org.jivesoftware.messenger.user.UserAlreadyExistsException;
-import org.jivesoftware.messenger.user.UserManager;
-import org.jivesoftware.messenger.user.UserNotFoundException;
+import org.jivesoftware.messenger.user.*;
+
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Iterator;
@@ -70,6 +68,11 @@ import org.dom4j.QName;
 public class IQRegisterHandler extends IQHandler implements ServerFeaturesProvider {
 
     private static MetaDataFragment probeResult;
+
+    public UserManager userManager;
+    public RosterManager rosterManager;
+    public PresenceUpdateHandler presenceHandler;
+
     private IQHandlerInfo info;
     // TODO: this value needs to be shared across all instances but not across the entire jvm...
     private static boolean enabled;
@@ -206,6 +209,9 @@ public class IQRegisterHandler extends IQHandler implements ServerFeaturesProvid
                         presenceHandler.process(presence);
                         // Delete the user
                         userManager.deleteUser(userManager.getUser(session.getUsername()));
+                        // Delete the roster of the user
+                        rosterManager.deleteRoster(session.getAddress());
+
                         reply = packet.createResult();
                         session.getConnection().deliver(reply);
                         // Close the user's connection
@@ -355,12 +361,10 @@ public class IQRegisterHandler extends IQHandler implements ServerFeaturesProvid
         delegates.remove(serviceName);
     }
 
-    public UserManager userManager;
-    public PresenceUpdateHandler presenceHandler;
-
     protected TrackInfo getTrackInfo() {
         TrackInfo trackInfo = super.getTrackInfo();
         trackInfo.getTrackerClasses().put(UserManager.class, "userManager");
+        trackInfo.getTrackerClasses().put(RosterManager.class, "rosterManager");
         trackInfo.getTrackerClasses().put(PresenceUpdateHandler.class, "presenceHandler");
         return trackInfo;
     }

src/java/org/jivesoftware/messenger/user/RosterItemProvider.java

@@ -67,17 +67,12 @@ public interface RosterItemProvider {
     void deleteItem(String username, long rosterItemID) throws UnsupportedOperationException;
 
     /**
-     * <p>Delete all roster items associated with the given user (optional operation).</p>
-     * <p/>
-     * <p>This method is used by Messenger during user account removal. It will NOT be called
-     * if UserAccountProvider.deleteUser() throws UnsupportedOperationException.</p>
-     * <p/>
-     * <p>If you don't want roster items deleted through messenger, throw UnsupportedOperationException.</p>
+     * Returns an iterator on the usernames whose roster includes the specified JID.
      *
-     * @param username the username of the user/chatbot that owns the roster items
-     * @throws UnsupportedOperationException If the provider does not support the operation (this is an optional operation)
+     * @param jid the jid that the rosters should include.
+     * @return an iterator on the usernames whose roster includes the specified JID.
      */
-    void deleteItems(String username) throws UnsupportedOperationException;
+    Iterator<String> getUsernames(String jid);
 
     /**
      * <p>Obtain a count of the number of roster items available for the given user.</p>

src/java/org/jivesoftware/messenger/user/RosterManager.java

@@ -11,6 +11,8 @@
 
 package org.jivesoftware.messenger.user;
 
+import org.jivesoftware.messenger.XMPPAddress;
+
 /**
  * <p>A simple service that allows components to retrieve a roster based solely on the ID of the owner.</p>
  * <p/>
@@ -31,4 +33,12 @@ public interface RosterManager {
      * @throws UserNotFoundException If the ID does not correspond to a known entity on the server
      */
     CachedRoster getRoster(String username) throws UserNotFoundException;
+
+    /**
+     * Removes the entire roster of a given user. This is necessary when a user account is being
+     * deleted from the server.
+     *
+     * @param user the user to remove his roster.
+     */
+    void deleteRoster(XMPPAddress user);
 }

src/java/org/jivesoftware/messenger/user/spi/DbRosterItemProvider.java

@@ -16,7 +16,6 @@ import org.jivesoftware.database.SequenceManager;
 import org.jivesoftware.util.JiveConstants;
 import org.jivesoftware.util.LocaleUtils;
 import org.jivesoftware.util.Log;
-import org.jivesoftware.util.LongList;
 import org.jivesoftware.messenger.XMPPAddress;
 import org.jivesoftware.messenger.user.*;
 
@@ -26,6 +25,8 @@ import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.util.Iterator;
 import java.util.LinkedList;
+import java.util.ArrayList;
+import java.util.List;
 
 /**
  * <p>Implements the roster item provider against the jiveRoster table
@@ -189,34 +190,21 @@ public class DbRosterItemProvider implements RosterItemProvider {
         }
     }
 
-    private static final String LOAD_ROSTER_IDS =
-        "DELETE from jiveRosterGroups WHERE username=?";
+    private static final String LOAD_USERNAMES =
+        "SELECT DISTINCT username from jiveRoster WHERE jid=?";
 
-    private static final String DELETE_ROSTER =
-        "DELETE FROM jiveRoster WHERE username=?";
-
-    public void deleteItems(String username) throws UnsupportedOperationException {
+    public Iterator<String> getUsernames(String jid) {
+        List<String> answer = new ArrayList<String>();
         Connection con = null;
         PreparedStatement pstmt = null;
-
         try {
-            LongList list = new LongList();
             con = DbConnectionManager.getConnection();
-            pstmt = con.prepareStatement(LOAD_ROSTER_IDS);
-            pstmt.setString(1, username);
+            pstmt = con.prepareStatement(LOAD_USERNAMES);
+            pstmt.setString(1, jid);
             ResultSet rs = pstmt.executeQuery();
             while (rs.next()) {
-                list.add(rs.getLong(1));
-            }
-            for (int i = 0; i < list.size(); i++) {
-                pstmt = con.prepareStatement(DELETE_ROSTER_ITEM_GROUPS);
-                pstmt.setLong(1, list.get(i));
-                pstmt.executeUpdate();
+                answer.add(rs.getString(1));
             }
-            pstmt = con.prepareStatement(DELETE_ROSTER);
-            pstmt.setString(1, username);
-            pstmt.executeUpdate();
-
         }
         catch (SQLException e) {
             Log.error(LocaleUtils.getLocalizedString("admin.error"), e);
@@ -227,6 +215,7 @@ public class DbRosterItemProvider implements RosterItemProvider {
             try { if (con != null) { con.close(); } }
             catch (Exception e) { Log.error(e); }
         }
+        return answer.iterator();
     }
 
     private static final String COUNT_ROSTER_ITEMS =

src/java/org/jivesoftware/messenger/user/spi/RosterManagerImpl.java

@@ -14,9 +14,11 @@ package org.jivesoftware.messenger.user.spi;
 import org.jivesoftware.util.Cache;
 import org.jivesoftware.util.CacheManager;
 import org.jivesoftware.messenger.container.BasicModule;
-import org.jivesoftware.messenger.user.CachedRoster;
-import org.jivesoftware.messenger.user.RosterManager;
-import org.jivesoftware.messenger.user.UserNotFoundException;
+import org.jivesoftware.messenger.user.*;
+import org.jivesoftware.messenger.auth.UnauthorizedException;
+import org.jivesoftware.messenger.XMPPAddress;
+
+import java.util.Iterator;
 
 public class RosterManagerImpl extends BasicModule implements RosterManager {
 
@@ -44,4 +46,44 @@ public class RosterManagerImpl extends BasicModule implements RosterManager {
         }
         return roster;
     }
+
+    public void deleteRoster(XMPPAddress user) {
+        try {
+            String username = user.getNamePrep();
+            // Get the roster of the deleted user
+            Roster roster = (Roster)CacheManager.getCache("username2roster").get(username);
+            if (roster == null) {
+                // Not in cache so load a new one:
+                roster = new CachedRosterImpl(username);
+            }
+            // Remove each roster item from the user's roster
+            Iterator<RosterItem> items = roster.getRosterItems();
+            while (items.hasNext()) {
+                roster.deleteRosterItem(items.next().getJid());
+            }
+            // Remove the cached roster from memory
+            CacheManager.getCache("username2roster").remove(username);
+
+            // Get the rosters that have a reference to the deleted user
+            RosterItemProvider rosteItemProvider = UserProviderFactory.getRosterItemProvider();
+            Iterator<String> usernames = rosteItemProvider.getUsernames(user.toBareStringPrep());
+            while (usernames.hasNext()) {
+                username = usernames.next();
+                // Get the roster that has a reference to the deleted user
+                roster = (Roster)CacheManager.getCache("username2roster").get(username);
+                if (roster == null) {
+                    // Not in cache so load a new one:
+                    roster = new CachedRosterImpl(username);
+                }
+                // Remove the deleted user reference from this roster
+                roster.deleteRosterItem(user);
+            }
+        }
+        catch (UnsupportedOperationException e) {
+            // Do nothing
+        }
+        catch (UnauthorizedException e) {
+            // Do nothing
+        }
+    }
 }
\ No newline at end of file

src/java/org/jivesoftware/util/WebManager.java

@@ -20,6 +20,7 @@ import org.jivesoftware.messenger.auth.UnauthorizedException;
 import org.jivesoftware.messenger.user.User;
 import org.jivesoftware.messenger.user.UserManager;
 import org.jivesoftware.messenger.user.UserNotFoundException;
+import org.jivesoftware.messenger.user.RosterManager;
 import org.jivesoftware.messenger.XMPPServer;
 import org.jivesoftware.messenger.PrivateStore;
 import org.jivesoftware.messenger.PresenceManager;
@@ -96,14 +97,15 @@ public class WebManager extends WebBean {
     }
 
     public UserManager getUserManager() {
-        // The user object of the logged-in user
-        UserManager userManager = (UserManager)getServiceLookup().lookup(UserManager.class);
-        return userManager;
+        return (UserManager)getServiceLookup().lookup(UserManager.class);
+    }
+
+    public RosterManager getRosterManager() {
+        return (RosterManager)getServiceLookup().lookup(RosterManager.class);
     }
 
     public PrivateStore getPrivateStore() {
-        final PrivateStore privateStore = (PrivateStore)getServiceLookup().lookup(PrivateStore.class);
-        return privateStore;
+        return (PrivateStore)getServiceLookup().lookup(PrivateStore.class);
     }
 
     public PresenceManager getPresenceManager() {

src/web/user-delete.jsp

@@ -8,7 +8,8 @@
 
 <%@ page import="org.jivesoftware.util.*,
                  org.jivesoftware.messenger.user.*,
-                 org.jivesoftware.admin.*"
+                 org.jivesoftware.admin.*,
+                 org.jivesoftware.messenger.XMPPAddress"
 %>
 <jsp:useBean id="webManager" class="org.jivesoftware.util.WebManager" />
 <% webManager.init(request, response, session, application, out ); %>
@@ -30,7 +31,11 @@
 
     // Handle a user delete:
     if (delete) {
+        // Delete the user
         webManager.getUserManager().deleteUser(user);
+        // Delete the user's roster
+        XMPPAddress userAddress = new XMPPAddress(username, webManager.getServerInfo().getName(), null);
+        webManager.getRosterManager().deleteRoster(userAddress);
         // Deleted your own user account, force login
         if (username.equals(webManager.getAuthToken().getUsername())){
             session.removeAttribute("jive.admin.authToken");