1 files changed, 92 insertions, 0 deletions
diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/account/GroupControl.java b/gerrit-server/src/main/java/com/google/gerrit/server/account/GroupControl.java
new file mode 100644
index 0000000000..40360b9f77
--- /dev/null
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/account/GroupControl.java
@@ -0,0 +1,92 @@
+// Copyright (C) 2009 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.google.gerrit.server.account;
+
+import com.google.gerrit.reviewdb.Account;
+import com.google.gerrit.reviewdb.AccountGroup;
+import com.google.gerrit.server.CurrentUser;
+import com.google.inject.Inject;
+import com.google.inject.Provider;
+
+/** Access control management for a group of accounts managed in Gerrit. */
+public class GroupControl {
+  public static class Factory {
+    private final GroupCache groupCache;
+    private final Provider<CurrentUser> user;
+
+    @Inject
+    Factory(final GroupCache gc, final Provider<CurrentUser> cu) {
+      groupCache = gc;
+      user = cu;
+    }
+
+    public GroupControl controlFor(final AccountGroup.Id groupId)
+        throws NoSuchGroupException {
+      final AccountGroup group = groupCache.get(groupId);
+      if (group == null) {
+        throw new NoSuchGroupException(groupId);
+      }
+      return new GroupControl(user.get(), group);
+    }
+
+    public GroupControl validateFor(final AccountGroup.Id groupId)
+        throws NoSuchGroupException {
+      final GroupControl c = controlFor(groupId);
+      if (!c.isVisible()) {
+        throw new NoSuchGroupException(groupId);
+      }
+      return c;
+    }
+  }
+
+  private final CurrentUser user;
+  private final AccountGroup group;
+
+  GroupControl(final CurrentUser who, final AccountGroup gc) {
+    user = who;
+    group = gc;
+  }
+
+  public CurrentUser getCurrentUser() {
+    return user;
+  }
+
+  public AccountGroup getAccountGroup() {
+    return group;
+  }
+
+  /** Can this user see this group exists? */
+  public boolean isVisible() {
+    return isOwner();
+  }
+
+  public boolean isOwner() {
+    final AccountGroup.Id owner = group.getOwnerGroupId();
+    return getCurrentUser().getEffectiveGroups().contains(owner)
+        || getCurrentUser().isAdministrator();
+  }
+
+  public boolean canAdd(final Account.Id id) {
+    return isOwner();
+  }
+
+  public boolean canRemove(final Account.Id id) {
+    return isOwner();
+  }
+
+  public boolean canSee(Account.Id id) {
+    return isOwner();
+  }
+}