| // Copyright (C) 2019 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.externalids; |
| |
| import static com.google.gerrit.server.account.externalids.ExternalId.SCHEME_USERNAME; |
| |
| import com.google.common.base.Strings; |
| import com.google.common.flogger.FluentLogger; |
| import com.google.gerrit.common.Nullable; |
| import com.google.gerrit.server.account.HashedPassword; |
| import com.google.gerrit.server.config.AuthConfig; |
| import com.google.inject.Inject; |
| import java.util.Collection; |
| |
| /** Checks if a given username and password match a user's external IDs. */ |
| public class PasswordVerifier { |
| private static final FluentLogger logger = FluentLogger.forEnclosingClass(); |
| |
| private final ExternalIdKeyFactory externalIdKeyFactory; |
| |
| private AuthConfig authConfig; |
| |
| @Inject |
| public PasswordVerifier(ExternalIdKeyFactory externalIdKeyFactory, AuthConfig authConfig) { |
| this.externalIdKeyFactory = externalIdKeyFactory; |
| this.authConfig = authConfig; |
| } |
| |
| /** Returns {@code true} if there is an external ID matching both the username and password. */ |
| public boolean checkPassword( |
| Collection<ExternalId> externalIds, String username, @Nullable String password) { |
| if (password == null) { |
| return false; |
| } |
| |
| for (ExternalId id : externalIds) { |
| // Only process the "username:$USER" entry, which is unique. |
| if (!id.isScheme(SCHEME_USERNAME)) { |
| continue; |
| } |
| |
| if (!id.key().equals(externalIdKeyFactory.create(SCHEME_USERNAME, username))) { |
| if (!authConfig.isUserNameCaseInsensitiveMigrationMode()) { |
| continue; |
| } |
| |
| if (!id.key().equals(externalIdKeyFactory.create(SCHEME_USERNAME, username, false))) { |
| continue; |
| } |
| } |
| |
| String hashedStr = id.password(); |
| if (!Strings.isNullOrEmpty(hashedStr)) { |
| try { |
| return HashedPassword.decode(hashedStr).checkPassword(password); |
| } catch (HashedPassword.DecoderException e) { |
| logger.atSevere().log("DecoderException for user %s: %s ", username, e.getMessage()); |
| return false; |
| } |
| } |
| } |
| return false; |
| } |
| } |