1 files changed, 121 insertions, 0 deletions
diff --git a/java/com/google/gerrit/server/restapi/config/TasksCollection.java b/java/com/google/gerrit/server/restapi/config/TasksCollection.java
new file mode 100644
index 0000000000..dda54a0a62
--- /dev/null
+++ b/java/com/google/gerrit/server/restapi/config/TasksCollection.java
@@ -0,0 +1,121 @@
+// Copyright (C) 2014 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.restapi.config;
+
+import com.google.gerrit.extensions.registration.DynamicMap;
+import com.google.gerrit.extensions.restapi.AuthException;
+import com.google.gerrit.extensions.restapi.ChildCollection;
+import com.google.gerrit.extensions.restapi.IdString;
+import com.google.gerrit.extensions.restapi.ResourceConflictException;
+import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
+import com.google.gerrit.extensions.restapi.RestView;
+import com.google.gerrit.reviewdb.client.Project;
+import com.google.gerrit.server.CurrentUser;
+import com.google.gerrit.server.config.ConfigResource;
+import com.google.gerrit.server.config.TaskResource;
+import com.google.gerrit.server.git.WorkQueue;
+import com.google.gerrit.server.git.WorkQueue.ProjectTask;
+import com.google.gerrit.server.git.WorkQueue.Task;
+import com.google.gerrit.server.permissions.GlobalPermission;
+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.project.ProjectCache;
+import com.google.gerrit.server.project.ProjectState;
+import com.google.inject.Inject;
+import com.google.inject.Provider;
+import com.google.inject.Singleton;
+
+@Singleton
+public class TasksCollection implements ChildCollection<ConfigResource, TaskResource> {
+  private final DynamicMap<RestView<TaskResource>> views;
+  private final ListTasks list;
+  private final WorkQueue workQueue;
+  private final Provider<CurrentUser> self;
+  private final PermissionBackend permissionBackend;
+  private final ProjectCache projectCache;
+
+  @Inject
+  TasksCollection(
+      DynamicMap<RestView<TaskResource>> views,
+      ListTasks list,
+      WorkQueue workQueue,
+      Provider<CurrentUser> self,
+      PermissionBackend permissionBackend,
+      ProjectCache projectCache) {
+    this.views = views;
+    this.list = list;
+    this.workQueue = workQueue;
+    this.self = self;
+    this.permissionBackend = permissionBackend;
+    this.projectCache = projectCache;
+  }
+
+  @Override
+  public RestView<ConfigResource> list() {
+    return list;
+  }
+
+  @Override
+  public TaskResource parse(ConfigResource parent, IdString id)
+      throws ResourceNotFoundException, AuthException, PermissionBackendException,
+          ResourceConflictException {
+    CurrentUser user = self.get();
+    if (!user.isIdentifiedUser()) {
+      throw new AuthException("Authentication required");
+    }
+
+    int taskId;
+    try {
+      taskId = (int) Long.parseLong(id.get(), 16);
+    } catch (NumberFormatException e) {
+      throw new ResourceNotFoundException(id);
+    }
+
+    Task<?> task = workQueue.getTask(taskId);
+    if (task instanceof ProjectTask) {
+      Project.NameKey nameKey = ((ProjectTask<?>) task).getProjectNameKey();
+      ProjectState state = projectCache.get(nameKey);
+      if (state == null) {
+        throw new ResourceNotFoundException(String.format("project %s not found", nameKey));
+      }
+
+      state.checkStatePermitsRead();
+
+      try {
+        permissionBackend.user(user).project(nameKey).check(ProjectPermission.ACCESS);
+        return new TaskResource(task);
+      } catch (AuthException e) {
+        // Fall through and try view queue permission.
+      }
+    }
+
+    if (task != null) {
+      try {
+        permissionBackend.user(user).check(GlobalPermission.VIEW_QUEUE);
+        return new TaskResource(task);
+      } catch (AuthException e) {
+        // Fall through and return not found.
+      }
+    }
+
+    throw new ResourceNotFoundException(id);
+  }
+
+  @Override
+  public DynamicMap<RestView<TaskResource>> views() {
+    return views;
+  }
+}