bot-connector-whatsapp.24.9.0.source-code.UserHashedIdCache.kt Maven / Gradle / Ivy
/*
* Copyright (C) 2017/2021 e-voyageurs technologies
*
* 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 ai.tock.bot.connector.whatsapp
import ai.tock.shared.security.shaS256
import com.google.common.cache.Cache
import com.google.common.cache.CacheBuilder
import java.util.concurrent.TimeUnit
object UserHashedIdCache {
private val idCache: Cache =
CacheBuilder.newBuilder()
.expireAfterAccess(2, TimeUnit.MINUTES)
.build()
fun createHashedId(id: String): String = shaS256(id).apply { idCache.put(this, id) }
fun getRealId(hashedId: String): String = idCache.getIfPresent(hashedId) ?: error("real id not found: $hashedId")
}