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commit 8023d2703ac27f0298130fd7916b77d69e36cc88 Author: Quan Tran <[email protected]> AuthorDate: Fri Jul 17 11:50:19 2026 +0700 JAMES-4210 Add shared POP3 mailbox provider Extract mailbox opening and INBOX provisioning into a reusable component shared by USER/PASS and AUTH. --- .../james/pop3server/core/Pop3MailboxProvider.java | 78 ++++++++++++++++++++++ 1 file changed, 78 insertions(+) diff --git a/server/protocols/protocols-pop3/src/main/java/org/apache/james/pop3server/core/Pop3MailboxProvider.java b/server/protocols/protocols-pop3/src/main/java/org/apache/james/pop3server/core/Pop3MailboxProvider.java new file mode 100644 index 0000000000..59cb509258 --- /dev/null +++ b/server/protocols/protocols-pop3/src/main/java/org/apache/james/pop3server/core/Pop3MailboxProvider.java @@ -0,0 +1,78 @@ +/**************************************************************** + * 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.pop3server.core; + +import java.io.IOException; +import java.util.Optional; + +import org.apache.james.core.Username; +import org.apache.james.mailbox.MailboxManager; +import org.apache.james.mailbox.MailboxSession; +import org.apache.james.mailbox.MessageManager; +import org.apache.james.mailbox.exception.MailboxException; +import org.apache.james.mailbox.model.MailboxId; +import org.apache.james.mailbox.model.MailboxPath; +import org.apache.james.pop3server.mailbox.MailboxAdapterFactory; +import org.apache.james.protocols.pop3.POP3Session; +import org.apache.james.protocols.pop3.mailbox.Mailbox; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import reactor.core.publisher.Mono; + +public class Pop3MailboxProvider { + private static final Logger LOGGER = LoggerFactory.getLogger(Pop3MailboxProvider.class); + + private final MailboxManager mailboxManager; + private final MailboxAdapterFactory mailboxAdapterFactory; + + public Pop3MailboxProvider(MailboxManager mailboxManager, MailboxAdapterFactory mailboxAdapterFactory) { + this.mailboxManager = mailboxManager; + this.mailboxAdapterFactory = mailboxAdapterFactory; + } + + public Mailbox open(POP3Session session, Username username) throws IOException { + MailboxSession mailboxSession = null; + try { + // Credentials have already been verified by the selected SASL mechanism. + mailboxSession = mailboxManager.authenticate(username).withoutDelegation(); + session.stopDetectingCommandInjection(); + mailboxManager.startProcessingRequest(mailboxSession); + MailboxPath inbox = MailboxPath.inbox(mailboxSession); + + if (!Mono.from(mailboxManager.mailboxExists(inbox, mailboxSession)).block()) { + Optional<MailboxId> mailboxId = mailboxManager.createMailbox(inbox, mailboxSession); + LOGGER.info("Provisioning INBOX. {} created.", mailboxId); + } + MessageManager mailbox = mailboxManager.getMailbox(inbox, mailboxSession); + LOGGER.info("Opening mailbox {} {} with mailbox session {}", + mailbox.getId().serialize(), + mailbox.getMailboxPath().asString(), + mailboxSession.getSessionId().getValue()); + return mailboxAdapterFactory.create(mailbox, mailboxSession); + } catch (MailboxException e) { + throw new IOException("Unable to access mailbox for user " + username.asString(), e); + } finally { + if (mailboxSession != null) { + mailboxManager.endProcessingRequest(mailboxSession); + } + } + } +} --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
