1 files changed, 0 insertions, 123 deletions
diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/mail/receive/Pop3MailReceiver.java b/gerrit-server/src/main/java/com/google/gerrit/server/mail/receive/Pop3MailReceiver.java
deleted file mode 100644
index bbb7e6609a..0000000000
--- a/gerrit-server/src/main/java/com/google/gerrit/server/mail/receive/Pop3MailReceiver.java
+++ /dev/null
@@ -1,123 +0,0 @@
-// Copyright (C) 2016 The Android Open Source Project
-//
-// Licensed 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 com.google.gerrit.server.mail.receive;
-
-import com.google.common.primitives.Ints;
-import com.google.gerrit.server.git.WorkQueue;
-import com.google.gerrit.server.mail.EmailSettings;
-import com.google.gerrit.server.mail.Encryption;
-import com.google.inject.Inject;
-import com.google.inject.Singleton;
-import java.io.BufferedReader;
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.List;
-import org.apache.commons.net.pop3.POP3Client;
-import org.apache.commons.net.pop3.POP3MessageInfo;
-import org.apache.commons.net.pop3.POP3SClient;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/** An implementation of {@link MailReceiver} for POP3. */
-@Singleton
-public class Pop3MailReceiver extends MailReceiver {
-  private static final Logger log = LoggerFactory.getLogger(Pop3MailReceiver.class);
-
-  @Inject
-  Pop3MailReceiver(EmailSettings mailSettings, MailProcessor mailProcessor, WorkQueue workQueue) {
-    super(mailSettings, mailProcessor, workQueue);
-  }
-
-  /**
-   * Opens a connection to the mail server, removes emails where deletion is pending, reads new
-   * email and closes the connection.
-   *
-   * @param async determines if processing messages should happen asynchronously
-   * @throws MailTransferException in case of a known transport failure
-   * @throws IOException in case of a low-level transport failure
-   */
-  @Override
-  public synchronized void handleEmails(boolean async) throws MailTransferException, IOException {
-    POP3Client pop3;
-    if (mailSettings.encryption != Encryption.NONE) {
-      pop3 = new POP3SClient(mailSettings.encryption.name(), true);
-    } else {
-      pop3 = new POP3Client();
-    }
-    if (mailSettings.port > 0) {
-      pop3.setDefaultPort(mailSettings.port);
-    }
-    pop3.connect(mailSettings.host);
-    try {
-      if (!pop3.login(mailSettings.username, mailSettings.password)) {
-        throw new MailTransferException(
-            "Could not login to POP3 email server. Check username and password");
-      }
-      try {
-        POP3MessageInfo[] messages = pop3.listMessages();
-        if (messages == null) {
-          throw new MailTransferException("Could not retrieve message list via POP3");
-        }
-        log.info("Received " + messages.length + " messages via POP3");
-        // Fetch messages
-        List<MailMessage> mailMessages = new ArrayList<>();
-        for (POP3MessageInfo msginfo : messages) {
-          if (msginfo == null) {
-            // Message was deleted
-            continue;
-          }
-          try (BufferedReader reader = (BufferedReader) pop3.retrieveMessage(msginfo.number)) {
-            if (reader == null) {
-              throw new MailTransferException(
-                  "Could not retrieve POP3 message header for message " + msginfo.identifier);
-            }
-            int[] message = fetchMessage(reader);
-            MailMessage mailMessage = RawMailParser.parse(message);
-            // Delete messages where deletion is pending. This requires
-            // knowing the integer message ID of the email. We therefore parse
-            // the message first and extract the Message-ID specified in RFC
-            // 822 and delete the message if deletion is pending.
-            if (pendingDeletion.contains(mailMessage.id())) {
-              if (pop3.deleteMessage(msginfo.number)) {
-                pendingDeletion.remove(mailMessage.id());
-              } else {
-                log.error("Could not delete message " + msginfo.number);
-              }
-            } else {
-              // Process message further
-              mailMessages.add(mailMessage);
-            }
-          } catch (MailParsingException e) {
-            log.error("Could not parse message " + msginfo.number);
-          }
-        }
-        dispatchMailProcessor(mailMessages, async);
-      } finally {
-        pop3.logout();
-      }
-    } finally {
-      pop3.disconnect();
-    }
-  }
-
-  public final int[] fetchMessage(BufferedReader reader) throws IOException {
-    List<Integer> character = new ArrayList<>();
-    int ch;
-    while ((ch = reader.read()) != -1) {
-      character.add(ch);
-    }
-    return Ints.toArray(character);
-  }
-}