| // Copyright (C) 2016 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.auth.oauth; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| import com.google.common.cache.Cache; |
| import com.google.gerrit.extensions.auth.oauth.OAuthToken; |
| import com.google.gerrit.extensions.auth.oauth.OAuthTokenEncrypter; |
| import com.google.gerrit.extensions.registration.DynamicItem; |
| import com.google.gerrit.reviewdb.client.Account; |
| import com.google.gerrit.server.cache.CacheModule; |
| import com.google.inject.Inject; |
| import com.google.inject.Module; |
| import com.google.inject.Singleton; |
| import com.google.inject.name.Named; |
| |
| @Singleton |
| public class OAuthTokenCache { |
| public static final String OAUTH_TOKENS = "oauth_tokens"; |
| |
| private final DynamicItem<OAuthTokenEncrypter> encrypter; |
| |
| public static Module module() { |
| return new CacheModule() { |
| @Override |
| protected void configure() { |
| persist(OAUTH_TOKENS, Account.Id.class, OAuthToken.class); |
| } |
| }; |
| } |
| |
| private final Cache<Account.Id, OAuthToken> cache; |
| |
| @Inject |
| OAuthTokenCache( |
| @Named(OAUTH_TOKENS) Cache<Account.Id, OAuthToken> cache, |
| DynamicItem<OAuthTokenEncrypter> encrypter) { |
| this.cache = cache; |
| this.encrypter = encrypter; |
| } |
| |
| public OAuthToken get(Account.Id id) { |
| OAuthToken accessToken = cache.getIfPresent(id); |
| if (accessToken == null) { |
| return null; |
| } |
| accessToken = decrypt(accessToken); |
| if (accessToken.isExpired()) { |
| cache.invalidate(id); |
| return null; |
| } |
| return accessToken; |
| } |
| |
| public void put(Account.Id id, OAuthToken accessToken) { |
| cache.put(id, encrypt(checkNotNull(accessToken))); |
| } |
| |
| public void remove(Account.Id id) { |
| cache.invalidate(id); |
| } |
| |
| private OAuthToken encrypt(OAuthToken token) { |
| OAuthTokenEncrypter enc = encrypter.get(); |
| if (enc == null) { |
| return token; |
| } |
| return enc.encrypt(token); |
| } |
| |
| private OAuthToken decrypt(OAuthToken token) { |
| OAuthTokenEncrypter enc = encrypter.get(); |
| if (enc == null) { |
| return token; |
| } |
| return enc.decrypt(token); |
| } |
| } |