Change the admin group to be blessed by system_config, not by name

This permits the admin group to be renamed, but also prevents a
rogue group from taking on the blessed personality.

Signed-off-by: Shawn O. Pearce <sop@google.com>

appjar/src/main/java/com/google/gerrit/client/admin/AccountGroupScreen.java

@@ -31,7 +31,6 @@ import com.google.gwt.user.client.ui.ClickListener;
 import com.google.gwt.user.client.ui.FlowPanel;
 import com.google.gwt.user.client.ui.FocusListenerAdapter;
 import com.google.gwt.user.client.ui.Label;
-import com.google.gwt.user.client.ui.Panel;
 import com.google.gwt.user.client.ui.SourcesTableEvents;
 import com.google.gwt.user.client.ui.SuggestBox;
 import com.google.gwt.user.client.ui.TableListener;
@@ -50,11 +49,9 @@ public class AccountGroupScreen extends AccountScreen {
   private AccountInfoCache accounts = AccountInfoCache.empty();
   private MemberTable members;
 
-  private Panel groupNamePanel;
   private TextBox groupNameTxt;
   private Button saveName;
 
-  private Panel ownerPanel;
   private TextBox ownerTxtBox;
   private SuggestBox ownerTxt;
   private Button saveOwner;
@@ -112,7 +109,7 @@ public class AccountGroupScreen extends AccountScreen {
   }
 
   private void initName() {
-    groupNamePanel = new VerticalPanel();
+    final VerticalPanel groupNamePanel = new VerticalPanel();
     groupNameTxt = new TextBox();
     groupNameTxt.setVisibleLength(60);
     groupNamePanel.add(groupNameTxt);
@@ -137,7 +134,7 @@ public class AccountGroupScreen extends AccountScreen {
   }
 
   private void initOwner() {
-    ownerPanel = new VerticalPanel();
+    final VerticalPanel ownerPanel = new VerticalPanel();
     final Label ownerHdr = new Label(Util.C.headingOwner());
     ownerHdr.setStyleName("gerrit-SmallHeading");
     ownerPanel.add(ownerHdr);
@@ -251,17 +248,6 @@ public class AccountGroupScreen extends AccountScreen {
   }
 
   private void display(final AccountGroupDetail result) {
-    if (GroupAdminService.ADMIN_GROUP.equals(result.group.getNameKey())) {
-      ownerTxtBox.setEnabled(false);
-      ownerPanel.setVisible(false);
-
-      groupNameTxt.setEnabled(false);
-      groupNamePanel.setVisible(false);
-    } else {
-      ownerPanel.setVisible(true);
-      groupNamePanel.setVisible(true);
-    }
-
     setTitleText(Util.M.group(result.group.getName()));
     groupNameTxt.setText(result.group.getName());
     ownerTxt.setText(result.ownerGroup.getName());

appjar/src/main/java/com/google/gerrit/client/admin/GroupAdminService.java

@@ -25,10 +25,6 @@ import java.util.List;
 import java.util.Set;
 
 public interface GroupAdminService extends RemoteJsonService {
-  /** Special group, which must not be renamed as its "blessed". */
-  public static final AccountGroup.NameKey ADMIN_GROUP =
-      new AccountGroup.NameKey("admin");
-
   @SignInRequired
   void ownedGroups(AsyncCallback<List<AccountGroup>> callback);
 

appjar/src/main/java/com/google/gerrit/client/reviewdb/SystemConfig.java

@@ -87,6 +87,10 @@ public final class SystemConfig {
   @Column
   public int sshdPort;
 
+  /** Identity of the administration group; those with full access. */
+  @Column
+  public AccountGroup.Id adminGroupId;
+
   protected SystemConfig() {
   }
 }

appjar/src/main/java/com/google/gerrit/server/GerritServer.java

@@ -14,7 +14,6 @@
 
 package com.google.gerrit.server;
 
-import com.google.gerrit.client.admin.GroupAdminService;
 import com.google.gerrit.client.data.ApprovalType;
 import com.google.gerrit.client.data.GerritConfig;
 import com.google.gerrit.client.data.GitwebLink;
@@ -150,16 +149,17 @@ public class GerritServer {
   }
 
   private void initSystemConfig(final ReviewDb c) throws OrmException {
+    final AccountGroup admin =
+        new AccountGroup(new AccountGroup.NameKey("Administrators"),
+            new AccountGroup.Id(c.nextAccountGroupId()));
+    c.accountGroups().insert(Collections.singleton(admin));
+
     final SystemConfig s = SystemConfig.create();
     s.xsrfPrivateKey = SignedToken.generateRandomKey();
     s.accountPrivateKey = SignedToken.generateRandomKey();
     s.sshdPort = 29418;
+    s.adminGroupId = admin.getId();
     c.systemConfig().insert(Collections.singleton(s));
-
-    final AccountGroup admin =
-        new AccountGroup(GroupAdminService.ADMIN_GROUP, new AccountGroup.Id(c
-            .nextAccountGroupId()));
-    c.accountGroups().insert(Collections.singleton(admin));
   }
 
   private void initVerifiedCategory(final ReviewDb c) throws OrmException {
@@ -303,4 +303,9 @@ public class GerritServer {
   public RepositoryCache getRepositoryCache() {
     return repositories;
   }
+
+  /** Get the group whose members have full access to manage the site. */
+  public AccountGroup.Id getAdminGroupId() {
+    return sConfig.adminGroupId;
+  }
 }

appjar/src/main/java/com/google/gerrit/server/GroupAdminServiceImpl.java

@@ -12,8 +12,10 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.client.admin;
+package com.google.gerrit.server;
 
+import com.google.gerrit.client.admin.AccountGroupDetail;
+import com.google.gerrit.client.admin.GroupAdminService;
 import com.google.gerrit.client.data.AccountInfoCacheFactory;
 import com.google.gerrit.client.reviewdb.Account;
 import com.google.gerrit.client.reviewdb.AccountGroup;
@@ -26,7 +28,6 @@ import com.google.gerrit.client.rpc.RpcUtil;
 import com.google.gwt.user.client.rpc.AsyncCallback;
 import com.google.gwtjsonrpc.client.VoidResult;
 import com.google.gwtorm.client.OrmException;
-import com.google.gwtorm.client.SchemaFactory;
 import com.google.gwtorm.client.Transaction;
 
 import java.util.ArrayList;
@@ -39,8 +40,11 @@ import java.util.Set;
 
 public class GroupAdminServiceImpl extends BaseServiceImplementation implements
     GroupAdminService {
-  public GroupAdminServiceImpl(final SchemaFactory<ReviewDb> rdf) {
-    super(rdf);
+  private final AccountGroup.Id adminId;
+
+  public GroupAdminServiceImpl(final GerritServer server) {
+    super(server.getDatabase());
+    adminId = server.getAdminGroupId();
   }
 
   public void ownedGroups(final AsyncCallback<List<AccountGroup>> callback) {
@@ -68,13 +72,6 @@ public class GroupAdminServiceImpl extends BaseServiceImplementation implements
       public AccountGroup.Id run(final ReviewDb db) throws OrmException,
           Failure {
         final AccountGroup.NameKey nameKey = new AccountGroup.NameKey(newName);
-        if (nameKey.equals(ADMIN_GROUP)) {
-          // Forbid creating the admin group, its highly special because it
-          // has near root level access to the server, based upon its name.
-          //
-          throw new Failure(new NameAlreadyUsedException());
-        }
-
         if (db.accountGroups().get(nameKey) != null) {
           throw new Failure(new NameAlreadyUsedException());
         }
@@ -165,13 +162,6 @@ public class GroupAdminServiceImpl extends BaseServiceImplementation implements
         }
 
         final AccountGroup.NameKey nameKey = new AccountGroup.NameKey(newName);
-        if (group.getName().equals(ADMIN_GROUP) || nameKey.equals(ADMIN_GROUP)) {
-          // Forbid renaming the admin group, its highly special because it
-          // has near root level access to the server, based upon its name.
-          //
-          throw new Failure(new NameAlreadyUsedException());
-        }
-
         if (!nameKey.equals(group.getNameKey())) {
           if (db.accountGroups().get(nameKey) != null) {
             throw new Failure(new NameAlreadyUsedException());
@@ -238,12 +228,11 @@ public class GroupAdminServiceImpl extends BaseServiceImplementation implements
         new AccountGroupMember.Key(RpcUtil.getAccountId(), groupId)) != null;
   }
 
-  private static boolean amAdmin(final ReviewDb db) throws OrmException {
-    final AccountGroup admin = db.accountGroups().get(ADMIN_GROUP);
-    return admin != null && amInGroup(db, admin.getId());
+  private boolean amAdmin(final ReviewDb db) throws OrmException {
+    return adminId != null && amInGroup(db, adminId);
   }
 
-  private static void assertAmGroupOwner(final ReviewDb db,
+  private void assertAmGroupOwner(final ReviewDb db,
       final AccountGroup.Id groupId) throws OrmException, Failure {
     final AccountGroup group = db.accountGroups().get(groupId);
     if (group == null) {

appjar/src/main/java/com/google/gerrit/server/GroupAdminServiceSrv.java

@@ -14,12 +14,11 @@
 
 package com.google.gerrit.server;
 
-import com.google.gerrit.client.admin.GroupAdminServiceImpl;
 
 /** Publishes {@link GroupAdminServiceImpl} over JSON. */
 public class GroupAdminServiceSrv extends GerritJsonServlet {
   @Override
   protected Object createServiceHandle() throws Exception {
-    return new GroupAdminServiceImpl(GerritServer.getInstance().getDatabase());
+    return new GroupAdminServiceImpl(GerritServer.getInstance());
   }
 }