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// 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.entities.Project;
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.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;
import java.util.Optional;
@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, e);
}
Task<?> task = workQueue.getTask(taskId);
if (task instanceof ProjectTask) {
Project.NameKey nameKey = ((ProjectTask<?>) task).getProjectNameKey();
Optional<ProjectState> state = projectCache.get(nameKey);
if (!state.isPresent()) {
throw new ResourceNotFoundException(String.format("project %s not found", nameKey));
}
state.get().checkStatePermitsRead();
if (permissionBackend.user(user).project(nameKey).test(ProjectPermission.ACCESS)) {
return new TaskResource(task);
}
}
if (task != null) {
if (permissionBackend.user(user).test(GlobalPermission.VIEW_QUEUE)) {
return new TaskResource(task);
}
}
throw new ResourceNotFoundException(id);
}
@Override
public DynamicMap<RestView<TaskResource>> views() {
return views;
}
}