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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.account;
import com.google.gerrit.common.Nullable;
import com.google.gerrit.extensions.registration.DynamicMap;
import com.google.gerrit.extensions.restapi.AcceptsCreate;
import com.google.gerrit.extensions.restapi.AuthException;
import com.google.gerrit.extensions.restapi.IdString;
import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
import com.google.gerrit.extensions.restapi.RestCollection;
import com.google.gerrit.extensions.restapi.RestView;
import com.google.gerrit.extensions.restapi.TopLevelResource;
import com.google.gerrit.extensions.restapi.UnprocessableEntityException;
import com.google.gerrit.reviewdb.client.Account;
import com.google.gerrit.server.AnonymousUser;
import com.google.gerrit.server.CurrentUser;
import com.google.gerrit.server.IdentifiedUser;
import com.google.gwtorm.server.OrmException;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.google.inject.Singleton;
import java.io.IOException;
import org.eclipse.jgit.errors.ConfigInvalidException;
@Singleton
public class AccountsCollection
implements RestCollection<TopLevelResource, AccountResource>, AcceptsCreate<TopLevelResource> {
private final Provider<CurrentUser> self;
private final AccountResolver resolver;
private final AccountControl.Factory accountControlFactory;
private final IdentifiedUser.GenericFactory userFactory;
private final Provider<QueryAccounts> list;
private final DynamicMap<RestView<AccountResource>> views;
private final CreateAccount.Factory createAccountFactory;
@Inject
AccountsCollection(
Provider<CurrentUser> self,
AccountResolver resolver,
AccountControl.Factory accountControlFactory,
IdentifiedUser.GenericFactory userFactory,
Provider<QueryAccounts> list,
DynamicMap<RestView<AccountResource>> views,
CreateAccount.Factory createAccountFactory) {
this.self = self;
this.resolver = resolver;
this.accountControlFactory = accountControlFactory;
this.userFactory = userFactory;
this.list = list;
this.views = views;
this.createAccountFactory = createAccountFactory;
}
@Override
public AccountResource parse(TopLevelResource root, IdString id)
throws ResourceNotFoundException, AuthException, OrmException, IOException,
ConfigInvalidException {
IdentifiedUser user = parseId(id.get());
if (user == null) {
throw new ResourceNotFoundException(id);
} else if (!accountControlFactory.get().canSee(user.getAccount())) {
throw new ResourceNotFoundException(id);
}
return new AccountResource(user);
}
/**
* Parses a account ID from a request body and returns the user.
*
* @param id ID of the account, can be a string of the format "{@code Full Name
* <email@example.com>}", just the email address, a full name if it is unique, an account ID,
* a user name or "{@code self}" for the calling user
* @return the user, never null.
* @throws UnprocessableEntityException thrown if the account ID cannot be resolved or if the
* account is not visible to the calling user
*/
public IdentifiedUser parse(String id)
throws AuthException, UnprocessableEntityException, OrmException, IOException,
ConfigInvalidException {
return parseOnBehalfOf(null, id);
}
/**
* Parses an account ID and returns the user without making any permission check whether the
* current user can see the account.
*
* @param id ID of the account, can be a string of the format "{@code Full Name
* <email@example.com>}", just the email address, a full name if it is unique, an account ID,
* a user name or "{@code self}" for the calling user
* @return the user, null if no user is found for the given account ID
* @throws AuthException thrown if 'self' is used as account ID and the current user is not
* authenticated
* @throws OrmException
* @throws ConfigInvalidException
* @throws IOException
*/
public IdentifiedUser parseId(String id)
throws AuthException, OrmException, IOException, ConfigInvalidException {
return parseIdOnBehalfOf(null, id);
}
/**
* Like {@link #parse(String)}, but also sets the {@link CurrentUser#getRealUser()} on the result.
*/
public IdentifiedUser parseOnBehalfOf(@Nullable CurrentUser caller, String id)
throws AuthException, UnprocessableEntityException, OrmException, IOException,
ConfigInvalidException {
IdentifiedUser user = parseIdOnBehalfOf(caller, id);
if (user == null) {
throw new UnprocessableEntityException(String.format("Account Not Found: %s", id));
} else if (!accountControlFactory.get().canSee(user.getAccount())) {
throw new UnprocessableEntityException(String.format("Account Not Found: %s", id));
}
return user;
}
private IdentifiedUser parseIdOnBehalfOf(@Nullable CurrentUser caller, String id)
throws AuthException, OrmException, IOException, ConfigInvalidException {
if (id.equals("self")) {
CurrentUser user = self.get();
if (user.isIdentifiedUser()) {
return user.asIdentifiedUser();
} else if (user instanceof AnonymousUser) {
throw new AuthException("Authentication required");
} else {
return null;
}
}
Account match = resolver.find(id);
if (match == null) {
return null;
}
CurrentUser realUser = caller != null ? caller.getRealUser() : null;
return userFactory.runAs(null, match.getId(), realUser);
}
@Override
public RestView<TopLevelResource> list() throws ResourceNotFoundException {
return list.get();
}
@Override
public DynamicMap<RestView<AccountResource>> views() {
return views;
}
@Override
public CreateAccount create(TopLevelResource parent, IdString username) {
return createAccountFactory.create(username.get());
}
}
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