1 files changed, 50 insertions, 0 deletions
diff --git a/java/com/google/gerrit/server/git/DefaultAdvertiseRefsHook.java b/java/com/google/gerrit/server/git/DefaultAdvertiseRefsHook.java
new file mode 100644
index 0000000000..ef5e65bdf8
--- /dev/null
+++ b/java/com/google/gerrit/server/git/DefaultAdvertiseRefsHook.java
@@ -0,0 +1,50 @@
+// Copyright (C) 2018 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.git;
+
+import com.google.gerrit.server.permissions.PermissionBackend;
+import com.google.gerrit.server.permissions.PermissionBackendException;
+import java.util.Map;
+import org.eclipse.jgit.lib.Ref;
+import org.eclipse.jgit.lib.Repository;
+import org.eclipse.jgit.revwalk.RevWalk;
+import org.eclipse.jgit.transport.AbstractAdvertiseRefsHook;
+import org.eclipse.jgit.transport.ServiceMayNotContinueException;
+
+/**
+ * Wrapper around {@link com.google.gerrit.server.permissions.PermissionBackend.ForProject} that
+ * implements {@link org.eclipse.jgit.transport.AdvertiseRefsHook}.
+ */
+public class DefaultAdvertiseRefsHook extends AbstractAdvertiseRefsHook {
+
+  private final PermissionBackend.ForProject perm;
+  private final PermissionBackend.RefFilterOptions opts;
+
+  public DefaultAdvertiseRefsHook(
+      PermissionBackend.ForProject perm, PermissionBackend.RefFilterOptions opts) {
+    this.perm = perm;
+    this.opts = opts;
+  }
+
+  @Override
+  protected Map<String, Ref> getAdvertisedRefs(Repository repo, RevWalk revWalk)
+      throws ServiceMayNotContinueException {
+    try {
+      return perm.filter(repo.getAllRefs(), repo, opts);
+    } catch (PermissionBackendException e) {
+      throw new ServiceMayNotContinueException(e);
+    }
+  }
+}