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| * 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.webadmin.service; |
| |
| import java.util.List; |
| import java.util.Optional; |
| import java.util.Set; |
| import java.util.stream.Collectors; |
| import java.util.stream.Stream; |
| |
| import javax.inject.Inject; |
| |
| import jakarta.mail.MessagingException; |
| import jakarta.mail.internet.MimeMessage; |
| |
| import org.apache.james.lifecycle.api.LifecycleUtil; |
| import org.apache.james.mailrepository.api.MailKey; |
| import org.apache.james.mailrepository.api.MailRepository; |
| import org.apache.james.mailrepository.api.MailRepositoryPath; |
| import org.apache.james.mailrepository.api.MailRepositoryStore; |
| import org.apache.james.mailrepository.api.MailRepositoryUrl; |
| import org.apache.james.task.Task; |
| import org.apache.james.util.ReactorUtils; |
| import org.apache.james.util.streams.Iterators; |
| import org.apache.james.util.streams.Limit; |
| import org.apache.james.util.streams.Offset; |
| import org.apache.james.webadmin.dto.InaccessibleFieldException; |
| import org.apache.james.webadmin.dto.MailDto; |
| import org.apache.james.webadmin.dto.MailDto.AdditionalField; |
| import org.apache.james.webadmin.dto.MailKeyDTO; |
| import org.apache.james.webadmin.dto.SingleMailRepositoryResponse; |
| import org.apache.james.webadmin.utils.ErrorResponder; |
| import org.apache.mailet.Mail; |
| import org.eclipse.jetty.http.HttpStatus; |
| |
| import com.github.fge.lambdas.Throwing; |
| import com.google.common.collect.ImmutableList; |
| |
| import reactor.core.publisher.Flux; |
| |
| public class MailRepositoryStoreService { |
| private final MailRepositoryStore mailRepositoryStore; |
| |
| @Inject |
| public MailRepositoryStoreService(MailRepositoryStore mailRepositoryStore) { |
| this.mailRepositoryStore = mailRepositoryStore; |
| } |
| |
| public Stream<SingleMailRepositoryResponse> listMailRepositories() { |
| return mailRepositoryStore |
| .getPaths() |
| .map(SingleMailRepositoryResponse::new); |
| } |
| |
| public MailRepository createMailRepository(MailRepositoryPath repositoryPath, String protocol) throws MailRepositoryStore.MailRepositoryStoreException { |
| return mailRepositoryStore.create(MailRepositoryUrl.fromPathAndProtocol(repositoryPath, protocol)); |
| } |
| |
| public Optional<List<MailKeyDTO>> listMails(MailRepositoryPath path, Offset offset, Limit limit) throws MailRepositoryStore.MailRepositoryStoreException, MessagingException { |
| Optional<Stream<MailKeyDTO>> maybeMails = Optional.of(getRepositories(path) |
| .flatMap(Throwing.function((MailRepository repository) -> Iterators.toStream(repository.list())).sneakyThrow()) |
| .map(MailKeyDTO::new) |
| .skip(offset.getOffset())); |
| |
| return maybeMails.map(limit::applyOnStream) |
| .map(stream -> stream.collect(ImmutableList.toImmutableList())); |
| } |
| |
| public Optional<Long> size(MailRepositoryPath path) throws MailRepositoryStore.MailRepositoryStoreException { |
| return Flux.fromStream(getRepositories(path)) |
| .flatMap(MailRepository::sizeReactive, ReactorUtils.DEFAULT_CONCURRENCY) |
| .reduce(0L, Long::sum) |
| .blockOptional(); |
| } |
| |
| public Optional<MailDto> retrieveMail(MailRepositoryPath path, MailKey mailKey, Set<AdditionalField> additionalAttributes) throws MailRepositoryStore.MailRepositoryStoreException, MessagingException, InaccessibleFieldException { |
| Optional<Mail> mail = fetchMail(path, mailKey); |
| try { |
| return mail.map(Throwing.function((Mail aMail) -> MailDto.fromMail(aMail, additionalAttributes)).sneakyThrow()); |
| } finally { |
| LifecycleUtil.dispose(mail); |
| } |
| } |
| |
| public Optional<MimeMessage> retrieveMessage(MailRepositoryPath path, MailKey mailKey) throws MailRepositoryStore.MailRepositoryStoreException, MessagingException { |
| Optional<Mail> mail = fetchMail(path, mailKey); |
| try { |
| return mail.map(Throwing.function(Mail::getMessage).sneakyThrow()); |
| } finally { |
| LifecycleUtil.dispose(mail); |
| } |
| } |
| |
| public void deleteMail(MailRepositoryPath path, MailKey mailKey) throws MailRepositoryStore.MailRepositoryStoreException, MessagingException { |
| getRepositories(path) |
| .forEach(Throwing.consumer((MailRepository repository) -> repository.remove(mailKey)).sneakyThrow()); |
| } |
| |
| public Task createClearMailRepositoryTask(MailRepositoryPath path) throws MailRepositoryStore.MailRepositoryStoreException, MessagingException { |
| getRepositories(path); |
| return new ClearMailRepositoryTask(mailRepositoryStore, path); |
| } |
| |
| public Stream<MailRepository> getRepositories(MailRepositoryPath path) throws MailRepositoryStore.MailRepositoryStoreException { |
| Stream<MailRepository> byPath = mailRepositoryStore.getByPath(path); |
| List<MailRepository> repositories = byPath.collect(Collectors.toList()); |
| if (repositories.isEmpty()) { |
| ErrorResponder.builder() |
| .statusCode(HttpStatus.NOT_FOUND_404) |
| .type(ErrorResponder.ErrorType.NOT_FOUND) |
| .message("%s does not exist", path.asString()) |
| .haltError(); |
| } |
| |
| return repositories.stream(); |
| } |
| |
| private Optional<Mail> fetchMail(MailRepositoryPath path, MailKey mailKey) throws MailRepositoryStore.MailRepositoryStoreException, MessagingException { |
| return getRepositories(path) |
| .map(Throwing.function((MailRepository repository) -> Optional.ofNullable(repository.retrieve(mailKey))).sneakyThrow()) |
| .flatMap(Optional::stream) |
| .findFirst(); |
| } |
| } |