1 files changed, 0 insertions, 213 deletions
diff --git a/gerrit-server/src/main/java/com/google/gerrit/common/EventBroker.java b/gerrit-server/src/main/java/com/google/gerrit/common/EventBroker.java
deleted file mode 100644
index c58b723062..0000000000
--- a/gerrit-server/src/main/java/com/google/gerrit/common/EventBroker.java
+++ /dev/null
@@ -1,213 +0,0 @@
-// Copyright (C) 2016 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.common;
-
-import com.google.gerrit.extensions.registration.DynamicItem;
-import com.google.gerrit.extensions.registration.DynamicSet;
-import com.google.gerrit.extensions.restapi.AuthException;
-import com.google.gerrit.lifecycle.LifecycleModule;
-import com.google.gerrit.reviewdb.client.Branch;
-import com.google.gerrit.reviewdb.client.Change;
-import com.google.gerrit.reviewdb.client.PatchSet;
-import com.google.gerrit.reviewdb.client.Project;
-import com.google.gerrit.reviewdb.server.ReviewDb;
-import com.google.gerrit.server.CurrentUser;
-import com.google.gerrit.server.events.ChangeEvent;
-import com.google.gerrit.server.events.Event;
-import com.google.gerrit.server.events.ProjectEvent;
-import com.google.gerrit.server.events.RefEvent;
-import com.google.gerrit.server.notedb.ChangeNotes;
-import com.google.gerrit.server.permissions.ChangePermission;
-import com.google.gerrit.server.permissions.PermissionBackend;
-import com.google.gerrit.server.permissions.PermissionBackendException;
-import com.google.gerrit.server.permissions.ProjectPermission;
-import com.google.gerrit.server.permissions.RefPermission;
-import com.google.gerrit.server.project.NoSuchChangeException;
-import com.google.gerrit.server.project.ProjectCache;
-import com.google.gerrit.server.project.ProjectState;
-import com.google.gwtorm.server.OrmException;
-import com.google.inject.Inject;
-import com.google.inject.Provider;
-import com.google.inject.Singleton;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/** Distributes Events to listeners if they are allowed to see them */
-@Singleton
-public class EventBroker implements EventDispatcher {
-  private static final Logger log = LoggerFactory.getLogger(EventBroker.class);
-
-  public static class Module extends LifecycleModule {
-    @Override
-    protected void configure() {
-      DynamicItem.itemOf(binder(), EventDispatcher.class);
-      DynamicItem.bind(binder(), EventDispatcher.class).to(EventBroker.class);
-    }
-  }
-
-  /** Listeners to receive changes as they happen (limited by visibility of user). */
-  protected final DynamicSet<UserScopedEventListener> listeners;
-
-  /** Listeners to receive all changes as they happen. */
-  protected final DynamicSet<EventListener> unrestrictedListeners;
-
-  private final PermissionBackend permissionBackend;
-  protected final ProjectCache projectCache;
-
-  protected final ChangeNotes.Factory notesFactory;
-
-  protected final Provider<ReviewDb> dbProvider;
-
-  @Inject
-  public EventBroker(
-      DynamicSet<UserScopedEventListener> listeners,
-      DynamicSet<EventListener> unrestrictedListeners,
-      PermissionBackend permissionBackend,
-      ProjectCache projectCache,
-      ChangeNotes.Factory notesFactory,
-      Provider<ReviewDb> dbProvider) {
-    this.listeners = listeners;
-    this.unrestrictedListeners = unrestrictedListeners;
-    this.permissionBackend = permissionBackend;
-    this.projectCache = projectCache;
-    this.notesFactory = notesFactory;
-    this.dbProvider = dbProvider;
-  }
-
-  @Override
-  public void postEvent(Change change, ChangeEvent event)
-      throws OrmException, PermissionBackendException {
-    fireEvent(change, event);
-  }
-
-  @Override
-  public void postEvent(Branch.NameKey branchName, RefEvent event)
-      throws PermissionBackendException {
-    fireEvent(branchName, event);
-  }
-
-  @Override
-  public void postEvent(Project.NameKey projectName, ProjectEvent event) {
-    fireEvent(projectName, event);
-  }
-
-  @Override
-  public void postEvent(Event event) throws OrmException, PermissionBackendException {
-    fireEvent(event);
-  }
-
-  protected void fireEventForUnrestrictedListeners(Event event) {
-    for (EventListener listener : unrestrictedListeners) {
-      listener.onEvent(event);
-    }
-  }
-
-  protected void fireEvent(Change change, ChangeEvent event)
-      throws OrmException, PermissionBackendException {
-    for (UserScopedEventListener listener : listeners) {
-      if (isVisibleTo(change, listener.getUser())) {
-        listener.onEvent(event);
-      }
-    }
-    fireEventForUnrestrictedListeners(event);
-  }
-
-  protected void fireEvent(Project.NameKey project, ProjectEvent event) {
-    for (UserScopedEventListener listener : listeners) {
-      if (isVisibleTo(project, listener.getUser())) {
-        listener.onEvent(event);
-      }
-    }
-    fireEventForUnrestrictedListeners(event);
-  }
-
-  protected void fireEvent(Branch.NameKey branchName, RefEvent event)
-      throws PermissionBackendException {
-    for (UserScopedEventListener listener : listeners) {
-      if (isVisibleTo(branchName, listener.getUser())) {
-        listener.onEvent(event);
-      }
-    }
-    fireEventForUnrestrictedListeners(event);
-  }
-
-  protected void fireEvent(Event event) throws OrmException, PermissionBackendException {
-    for (UserScopedEventListener listener : listeners) {
-      if (isVisibleTo(event, listener.getUser())) {
-        listener.onEvent(event);
-      }
-    }
-    fireEventForUnrestrictedListeners(event);
-  }
-
-  protected boolean isVisibleTo(Project.NameKey project, CurrentUser user) {
-    try {
-      permissionBackend.user(user).project(project).check(ProjectPermission.ACCESS);
-      return true;
-    } catch (AuthException | PermissionBackendException e) {
-      return false;
-    }
-  }
-
-  protected boolean isVisibleTo(Change change, CurrentUser user)
-      throws OrmException, PermissionBackendException {
-    if (change == null) {
-      return false;
-    }
-    ProjectState pe = projectCache.get(change.getProject());
-    if (pe == null) {
-      return false;
-    }
-    ReviewDb db = dbProvider.get();
-    return permissionBackend
-        .user(user)
-        .change(notesFactory.createChecked(db, change))
-        .database(db)
-        .test(ChangePermission.READ);
-  }
-
-  protected boolean isVisibleTo(Branch.NameKey branchName, CurrentUser user)
-      throws PermissionBackendException {
-    ProjectState pe = projectCache.get(branchName.getParentKey());
-    if (pe == null) {
-      return false;
-    }
-    return permissionBackend.user(user).ref(branchName).test(RefPermission.READ);
-  }
-
-  protected boolean isVisibleTo(Event event, CurrentUser user)
-      throws OrmException, PermissionBackendException {
-    if (event instanceof RefEvent) {
-      RefEvent refEvent = (RefEvent) event;
-      String ref = refEvent.getRefName();
-      if (PatchSet.isChangeRef(ref)) {
-        Change.Id cid = PatchSet.Id.fromRef(ref).getParentKey();
-        try {
-          Change change =
-              notesFactory
-                  .createChecked(dbProvider.get(), refEvent.getProjectNameKey(), cid)
-                  .getChange();
-          return isVisibleTo(change, user);
-        } catch (NoSuchChangeException e) {
-          log.debug("Change {} cannot be found, falling back on ref visibility check", cid.id);
-        }
-      }
-      return isVisibleTo(refEvent.getBranchNameKey(), user);
-    } else if (event instanceof ProjectEvent) {
-      return isVisibleTo(((ProjectEvent) event).getProjectNameKey(), user);
-    }
-    return true;
-  }
-}