| /**************************************************************** |
| * Licensed to the Apache Software Foundation (ASF) under one * |
| * or more contributor license agreements. See the NOTICE file * |
| * distributed with this work for additional information * |
| * regarding copyright ownership. The ASF licenses this file * |
| * to you 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 org.apache.james.mailbox.quota; |
| |
| import java.util.Map; |
| import java.util.Objects; |
| import java.util.Optional; |
| import java.util.function.Supplier; |
| import java.util.stream.Stream; |
| |
| import org.apache.james.core.Domain; |
| import org.apache.james.core.quota.QuotaCountLimit; |
| import org.apache.james.core.quota.QuotaSizeLimit; |
| import org.apache.james.mailbox.exception.MailboxException; |
| import org.apache.james.mailbox.model.Quota; |
| import org.apache.james.mailbox.model.Quota.Scope; |
| import org.apache.james.mailbox.model.QuotaRoot; |
| |
| import com.github.fge.lambdas.Throwing; |
| |
| /** |
| * This interface describe how to set the max quotas for users |
| * Part of RFC 2087 implementation |
| */ |
| public interface MaxQuotaManager { |
| |
| /** |
| * Method allowing you to set the maximum storage quota for a given user |
| * |
| * @param quotaRoot Quota root argument from RFC 2087 ( correspond to the user owning this mailbox ) |
| * @param maxStorageQuota The new storage quota ( in bytes ) for this user |
| */ |
| void setMaxStorage(QuotaRoot quotaRoot, QuotaSizeLimit maxStorageQuota) throws MailboxException; |
| |
| /** |
| * Method allowing you to set the maximum message count allowed for this quotaroot |
| * |
| * @param quotaRoot Quota root argument from RFC 2087 |
| * @param maxMessageCount The new message count allowed. |
| */ |
| void setMaxMessage(QuotaRoot quotaRoot, QuotaCountLimit maxMessageCount) throws MailboxException; |
| |
| /** |
| * Method allowing you to remove the maximum messages count allowed for this quotaroot |
| * |
| * @param quotaRoot Quota root argument from RFC 2087 |
| */ |
| void removeMaxMessage(QuotaRoot quotaRoot) throws MailboxException; |
| |
| /** |
| * Method allowing you to remove the maximum messages size allowed for this quotaroot |
| * |
| * @param quotaRoot Quota root argument from RFC 2087 |
| */ |
| void removeMaxStorage(QuotaRoot quotaRoot) throws MailboxException; |
| |
| /** |
| * Method allowing you to set the global maximum storage in bytes. |
| * |
| * @param globalMaxStorage new global maximum storage |
| */ |
| void setGlobalMaxStorage(QuotaSizeLimit globalMaxStorage) throws MailboxException; |
| |
| /** |
| * Method allowing you to remove the global maximum messages size in bytes. |
| */ |
| void removeGlobalMaxStorage() throws MailboxException; |
| |
| /** |
| * Method allowing you to set the global maximum message count allowed |
| * |
| * @param globalMaxMessageCount new global message count |
| */ |
| void setGlobalMaxMessage(QuotaCountLimit globalMaxMessageCount) throws MailboxException; |
| |
| /** |
| * Method allowing you to remove the global maximum messages count. |
| */ |
| void removeGlobalMaxMessage() throws MailboxException; |
| |
| /** |
| * Method allowing you to get the global maximum storage in bytes. |
| * |
| * @return global maximum storage, if defined |
| */ |
| Optional<QuotaSizeLimit> getGlobalMaxStorage() throws MailboxException; |
| |
| /** |
| * Method allowing you to get the global maximum message count allowed |
| * |
| * @return global maximum message count, if defined |
| */ |
| Optional<QuotaCountLimit> getGlobalMaxMessage() throws MailboxException; |
| |
| /** |
| * Return the maximum storage which is allowed for the given {@link QuotaRoot} (in fact the user which the session is bound to) |
| * |
| * The returned valued must be in <strong>bytes</strong> |
| * |
| * @param quotaRoot Quota root argument from RFC 2087 ( correspond to the user owning this mailbox ) |
| * @return The maximum storage in bytes if any |
| */ |
| default Optional<QuotaSizeLimit> getMaxStorage(QuotaRoot quotaRoot) throws MailboxException { |
| Map<Scope, QuotaSizeLimit> maxStorageDetails = listMaxStorageDetails(quotaRoot); |
| return getMaxStorage(maxStorageDetails); |
| } |
| |
| default Optional<QuotaSizeLimit> getMaxStorage(Map<Quota.Scope, QuotaSizeLimit> maxStorageDetails) { |
| return Quota.allScopes() |
| .stream() |
| .map(maxStorageDetails::get) |
| .filter(Objects::nonNull) |
| .findFirst(); |
| } |
| |
| /** |
| * Return the maximum message count which is allowed for the given {@link QuotaRoot} (in fact the user which the session is bound to) |
| * |
| * @param quotaRoot Quota root argument from RFC 2087 ( correspond to the user owning this mailbox ) |
| * @return maximum of allowed message count |
| */ |
| default Optional<QuotaCountLimit> getMaxMessage(QuotaRoot quotaRoot) throws MailboxException { |
| Map<Scope, QuotaCountLimit> maxMessagesDetails = listMaxMessagesDetails(quotaRoot); |
| return getMaxMessage(maxMessagesDetails); |
| } |
| |
| default Optional<QuotaCountLimit> getMaxMessage(Map<Quota.Scope, QuotaCountLimit> maxMessagesDetails) { |
| return Stream.of(Quota.Scope.User, Quota.Scope.Domain, Quota.Scope.Global) |
| .map(maxMessagesDetails::get) |
| .filter(Objects::nonNull) |
| .findFirst(); |
| } |
| |
| Map<Quota.Scope, QuotaCountLimit> listMaxMessagesDetails(QuotaRoot quotaRoot); |
| |
| Map<Quota.Scope, QuotaSizeLimit> listMaxStorageDetails(QuotaRoot quotaRoot); |
| |
| default QuotaDetails quotaDetails(QuotaRoot quotaRoot) { |
| return new QuotaDetails(listMaxMessagesDetails(quotaRoot), listMaxStorageDetails(quotaRoot)); |
| } |
| |
| Optional<QuotaCountLimit> getDomainMaxMessage(Domain domain); |
| |
| void setDomainMaxMessage(Domain domain, QuotaCountLimit count) throws MailboxException; |
| |
| void removeDomainMaxMessage(Domain domain) throws MailboxException; |
| |
| void setDomainMaxStorage(Domain domain, QuotaSizeLimit size) throws MailboxException; |
| |
| Optional<QuotaSizeLimit> getDomainMaxStorage(Domain domain); |
| |
| void removeDomainMaxStorage(Domain domain) throws MailboxException; |
| |
| default Optional<QuotaCountLimit> getComputedMaxMessage(Domain domain) throws MailboxException { |
| return Stream.of( |
| Throwing.supplier(() -> getDomainMaxMessage(domain)).sneakyThrow(), |
| Throwing.supplier(this::getGlobalMaxMessage).sneakyThrow()) |
| .map(Supplier::get) |
| .flatMap(Optional::stream) |
| .findFirst(); |
| } |
| |
| default Optional<QuotaSizeLimit> getComputedMaxStorage(Domain domain) throws MailboxException { |
| return Stream.of( |
| Throwing.supplier(() -> getDomainMaxStorage(domain)).sneakyThrow(), |
| Throwing.supplier(this::getGlobalMaxStorage).sneakyThrow()) |
| .map(Supplier::get) |
| .flatMap(Optional::stream) |
| .findFirst(); |
| } |
| |
| class QuotaDetails { |
| private final Map<Quota.Scope, QuotaCountLimit> maxMessageDetails; |
| private final Map<Quota.Scope, QuotaSizeLimit> maxStorageDetails; |
| |
| public QuotaDetails(Map<Scope, QuotaCountLimit> maxMessageDetails, Map<Scope, QuotaSizeLimit> maxStorageDetails) { |
| this.maxMessageDetails = maxMessageDetails; |
| this.maxStorageDetails = maxStorageDetails; |
| } |
| |
| public Map<Scope, QuotaCountLimit> getMaxMessageDetails() { |
| return maxMessageDetails; |
| } |
| |
| public Map<Scope, QuotaSizeLimit> getMaxStorageDetails() { |
| return maxStorageDetails; |
| } |
| } |
| } |