| /**************************************************************** |
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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 * |
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| * specific language governing permissions and limitations * |
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| ****************************************************************/ |
| |
| package org.apache.james.rspamd; |
| |
| |
| import java.util.List; |
| |
| import javax.inject.Inject; |
| import javax.mail.MessagingException; |
| |
| import org.apache.james.core.MailAddress; |
| import org.apache.james.rspamd.client.RSpamDHttpClient; |
| import org.apache.james.rspamd.model.AnalysisResult; |
| import org.apache.james.server.core.MimeMessageInputStream; |
| import org.apache.mailet.Attribute; |
| import org.apache.mailet.AttributeName; |
| import org.apache.mailet.AttributeValue; |
| import org.apache.mailet.Mail; |
| import org.apache.mailet.PerRecipientHeaders; |
| import org.apache.mailet.base.GenericMailet; |
| |
| import com.google.common.collect.ImmutableList; |
| |
| public class RSpamDScanner extends GenericMailet { |
| public static final AttributeName FLAG_MAIL = AttributeName.of("org.apache.james.rspamd.flag"); |
| public static final AttributeName STATUS_MAIL = AttributeName.of("org.apache.james.rspamd.status"); |
| |
| private final RSpamDHttpClient rSpamDHttpClient; |
| |
| @Inject |
| public RSpamDScanner(RSpamDHttpClient rSpamDHttpClient) { |
| this.rSpamDHttpClient = rSpamDHttpClient; |
| } |
| |
| @Override |
| public void service(Mail mail) throws MessagingException { |
| AnalysisResult rSpamDResult = rSpamDHttpClient.checkV2(new MimeMessageInputStream(mail.getMessage())).block(); |
| |
| mail.getRecipients() |
| .forEach(recipient -> appendRSpamDResultHeader(mail, recipient, rSpamDResult)); |
| } |
| |
| private void appendRSpamDResultHeader(Mail mail, MailAddress recipient, AnalysisResult rSpamDResult) { |
| for (Attribute attribute : getHeadersAsAttributes(rSpamDResult)) { |
| mail.addSpecificHeaderForRecipient(PerRecipientHeaders.Header.builder() |
| .name(attribute.getName().asString()) |
| .value((String) attribute.getValue().value()) |
| .build(), recipient); |
| } |
| } |
| |
| private List<Attribute> getHeadersAsAttributes(AnalysisResult rSpamDResult) { |
| String defaultFlagMailAttributeValue = "NO"; |
| String defaultStatusMailAttributeValue = "No"; |
| if (rSpamDResult.getAction().equals(AnalysisResult.Action.REJECT)) { |
| defaultFlagMailAttributeValue = "YES"; |
| defaultStatusMailAttributeValue = "Yes"; |
| } |
| |
| return ImmutableList.of(new Attribute(FLAG_MAIL, AttributeValue.of(defaultFlagMailAttributeValue)), |
| new Attribute(STATUS_MAIL, AttributeValue.of(defaultStatusMailAttributeValue + "," |
| + " actions=" + rSpamDResult.getAction().getDescription() |
| + " score=" + rSpamDResult.getScore() |
| + " requiredScore=" + rSpamDResult.getRequiredScore()))); |
| } |
| } |