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// Copyright (C) 2012 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.account;
import static com.google.gerrit.server.permissions.DefaultPermissionMappings.globalOrPluginPermissionName;
import static com.google.gerrit.server.permissions.DefaultPermissionMappings.globalPermission;
import com.google.gerrit.extensions.api.access.GlobalOrPluginPermission;
import com.google.gerrit.extensions.api.access.PluginPermission;
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.ResourceNotFoundException;
import com.google.gerrit.extensions.restapi.RestView;
import com.google.gerrit.server.CurrentUser;
import com.google.gerrit.server.IdentifiedUser;
import com.google.gerrit.server.account.AccountResource;
import com.google.gerrit.server.account.AccountResource.Capability;
import com.google.gerrit.server.permissions.GlobalPermission;
import com.google.gerrit.server.permissions.PermissionBackend;
import com.google.gerrit.server.permissions.PermissionBackendException;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.google.inject.Singleton;
import java.util.Optional;
@Singleton
public class Capabilities implements ChildCollection<AccountResource, AccountResource.Capability> {
private final Provider<CurrentUser> self;
private final PermissionBackend permissionBackend;
private final DynamicMap<RestView<AccountResource.Capability>> views;
private final Provider<GetCapabilities> get;
@Inject
Capabilities(
Provider<CurrentUser> self,
PermissionBackend permissionBackend,
DynamicMap<RestView<AccountResource.Capability>> views,
Provider<GetCapabilities> get) {
this.self = self;
this.permissionBackend = permissionBackend;
this.views = views;
this.get = get;
}
@Override
public GetCapabilities list() throws ResourceNotFoundException {
return get.get();
}
@Override
public Capability parse(AccountResource parent, IdString id)
throws ResourceNotFoundException, AuthException, PermissionBackendException {
permissionBackend.checkUsesDefaultCapabilities();
IdentifiedUser target = parent.getUser();
if (!self.get().hasSameAccountId(target)) {
permissionBackend.currentUser().check(GlobalPermission.ADMINISTRATE_SERVER);
}
GlobalOrPluginPermission perm = parse(id);
if (permissionBackend.absentUser(target.getAccountId()).test(perm)) {
return new AccountResource.Capability(target, globalOrPluginPermissionName(perm));
}
throw new ResourceNotFoundException(id);
}
private GlobalOrPluginPermission parse(IdString id) throws ResourceNotFoundException {
String name = id.get();
Optional<GlobalPermission> perm = globalPermission(name);
if (perm.isPresent()) {
return perm.get();
}
int dash = name.lastIndexOf('-');
if (dash < 0) {
throw new ResourceNotFoundException(id);
}
String pluginName = name.substring(0, dash);
String capability = name.substring(dash + 1);
if (pluginName.isEmpty() || capability.isEmpty()) {
throw new ResourceNotFoundException(id);
}
return new PluginPermission(pluginName, capability);
}
@Override
public DynamicMap<RestView<Capability>> views() {
return views;
}
}