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| * distributed with this work for additional information * |
| * regarding copyright ownership. The ASF licenses this file * |
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| * "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.imap.processor; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| |
| import jakarta.inject.Inject; |
| |
| import org.apache.james.imap.api.display.HumanReadableText; |
| import org.apache.james.imap.api.display.ModifiedUtf7; |
| import org.apache.james.imap.api.message.response.StatusResponseFactory; |
| import org.apache.james.imap.api.process.ImapSession; |
| import org.apache.james.imap.message.request.LsubRequest; |
| import org.apache.james.imap.message.response.LSubResponse; |
| import org.apache.james.mailbox.MailboxManager; |
| import org.apache.james.mailbox.MailboxSession; |
| import org.apache.james.mailbox.SubscriptionManager; |
| import org.apache.james.mailbox.exception.MailboxException; |
| import org.apache.james.mailbox.exception.SubscriptionException; |
| import org.apache.james.mailbox.model.MailboxPath; |
| import org.apache.james.mailbox.model.search.MailboxNameExpression; |
| import org.apache.james.mailbox.model.search.PrefixedRegex; |
| import org.apache.james.metrics.api.MetricFactory; |
| import org.apache.james.util.MDCBuilder; |
| import org.apache.james.util.ReactorUtils; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import reactor.core.publisher.Flux; |
| import reactor.core.publisher.Mono; |
| |
| public class LSubProcessor extends AbstractMailboxProcessor<LsubRequest> { |
| private static final Logger LOGGER = LoggerFactory.getLogger(LSubProcessor.class); |
| |
| private final SubscriptionManager subscriptionManager; |
| |
| @Inject |
| public LSubProcessor(MailboxManager mailboxManager, SubscriptionManager subscriptionManager, StatusResponseFactory factory, |
| MetricFactory metricFactory) { |
| super(LsubRequest.class, mailboxManager, factory, metricFactory); |
| this.subscriptionManager = subscriptionManager; |
| } |
| |
| @Override |
| protected Mono<Void> processRequestReactive(LsubRequest request, ImapSession session, Responder responder) { |
| String referenceName = request.getBaseReferenceName(); |
| String mailboxPattern = request.getMailboxPattern(); |
| |
| return listSubscriptions(session, responder, referenceName, mailboxPattern) |
| .then(Mono.fromRunnable(() -> okComplete(request, responder))) |
| .onErrorResume(MailboxException.class, e -> { |
| no(request, responder, HumanReadableText.GENERIC_LSUB_FAILURE); |
| return ReactorUtils.logAsMono(() -> LOGGER.error("LSub failed for reference {} and pattern {}", referenceName, mailboxPattern, e)); |
| }).then(); |
| } |
| |
| private Mono<Void> listSubscriptions(ImapSession session, Responder responder, String referenceName, String mailboxName) { |
| MailboxSession mailboxSession = session.getMailboxSession(); |
| try { |
| Mono<List<String>> mailboxesMono = Flux.from(subscriptionManager.subscriptionsReactive(mailboxSession)) |
| .map(MailboxPath::getName) |
| .collectList(); |
| |
| String decodedMailName = ModifiedUtf7.decodeModifiedUTF7(referenceName); |
| |
| MailboxNameExpression expression = new PrefixedRegex( |
| decodedMailName, |
| ModifiedUtf7.decodeModifiedUTF7(mailboxName), |
| mailboxSession.getPathDelimiter()); |
| |
| return mailboxesMono.doOnNext(mailboxes -> { |
| Collection<String> mailboxResponses = new ArrayList<>(); |
| for (String mailbox : mailboxes) { |
| respond(responder, expression, mailbox, true, mailboxes, mailboxResponses, mailboxSession.getPathDelimiter()); |
| } |
| }).then(); |
| } catch (SubscriptionException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| private void respond(Responder responder, MailboxNameExpression expression, String mailboxName, boolean originalSubscription, Collection<String> mailboxes, Collection<String> mailboxResponses, char delimiter) { |
| if (expression.isExpressionMatch(mailboxName)) { |
| if (!mailboxResponses.contains(mailboxName)) { |
| responder.respond(new LSubResponse(mailboxName, !originalSubscription, delimiter)); |
| mailboxResponses.add(mailboxName); |
| } |
| } else { |
| int lastDelimiter = mailboxName.lastIndexOf(delimiter); |
| if (lastDelimiter > 0) { |
| String parentMailbox = mailboxName.substring(0, lastDelimiter); |
| if (!mailboxes.contains(parentMailbox)) { |
| respond(responder, expression, parentMailbox, false, mailboxes, mailboxResponses, delimiter); |
| } |
| } |
| } |
| } |
| |
| @Override |
| protected MDCBuilder mdc(LsubRequest request) { |
| return MDCBuilder.create() |
| .addToContext(MDCBuilder.ACTION, "LSUB") |
| .addToContext("base", request.getBaseReferenceName()) |
| .addToContext("pattern", request.getMailboxPattern()); |
| } |
| } |