mirror of
https://github.com/google/nomulus.git
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3fc7271145
1. Moved code for the GCP proxy to where the [] proxy code used to live. 3. Corrected reference to the GCP proxy location. 4. Misc changes to make ErrorProne and various tools happy. +diekmann to LGTM terraform whitelist change. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=213630560
87 lines
3.1 KiB
Java
87 lines
3.1 KiB
Java
// Copyright 2017 The Nomulus Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package google.registry.proxy.quota;
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import static com.google.common.base.Preconditions.checkState;
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import com.google.common.annotations.VisibleForTesting;
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import com.google.common.collect.ImmutableMap;
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import google.registry.proxy.ProxyConfig.Quota;
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import google.registry.proxy.ProxyConfig.Quota.QuotaGroup;
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import org.joda.time.Duration;
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/** Value class that stores the quota configuration for a protocol. */
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public class QuotaConfig {
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/** A special value of token amount that indicates unlimited tokens. */
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public static final int SENTINEL_UNLIMITED_TOKENS = -1;
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private final String protocolName;
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private final int refreshSeconds;
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private final QuotaGroup defaultQuota;
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private final ImmutableMap<String, QuotaGroup> customQuotaMap;
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/**
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* Constructs a {@link QuotaConfig} from a {@link Quota}.
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*
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* <p>Each {@link QuotaGroup} is keyed to all the {@code userId}s it contains. This allows for
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* fast lookup with a {@code userId}.
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*/
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public QuotaConfig(Quota quota, String protocolName) {
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this.protocolName = protocolName;
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refreshSeconds = quota.refreshSeconds;
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defaultQuota = quota.defaultQuota;
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ImmutableMap.Builder<String, QuotaGroup> mapBuilder = new ImmutableMap.Builder<>();
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quota.customQuota.forEach(
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quotaGroup -> quotaGroup.userId.forEach(userId -> mapBuilder.put(userId, quotaGroup)));
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customQuotaMap = mapBuilder.build();
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}
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@VisibleForTesting
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QuotaGroup findQuotaGroup(String userId) {
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return customQuotaMap.getOrDefault(userId, defaultQuota);
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}
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/**
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* Returns if the given user ID is provisioned with unlimited tokens.
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*
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* <p>This is configured by setting {@code tokenAmount} to {@code -1} in the config file.
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*/
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boolean hasUnlimitedTokens(String userId) {
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return findQuotaGroup(userId).tokenAmount == SENTINEL_UNLIMITED_TOKENS;
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}
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/** Returns the token amount for the given {@code userId}. */
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int getTokenAmount(String userId) {
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checkState(
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!hasUnlimitedTokens(userId), "User ID %s is provisioned with unlimited tokens", userId);
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return findQuotaGroup(userId).tokenAmount;
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}
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/** Returns the refill period for the given {@code userId}. */
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Duration getRefillPeriod(String userId) {
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return Duration.standardSeconds(findQuotaGroup(userId).refillSeconds);
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}
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/** Returns the refresh period for this quota config. */
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Duration getRefreshPeriod() {
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return Duration.standardSeconds(refreshSeconds);
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}
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/** Returns the name of the protocol for which this quota config is made. */
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String getProtocolName() {
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return protocolName;
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}
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}
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