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https://issues.apache.org/jira/browse/NIFI-1899?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15350426#comment-15350426
]
ASF GitHub Bot commented on NIFI-1899:
--------------------------------------
Github user ijokarumawak commented on a diff in the pull request:
https://github.com/apache/nifi/pull/483#discussion_r68524121
--- Diff:
nifi-nar-bundles/nifi-email-bundle/nifi-email-processors/src/main/java/org/apache/nifi/processors/email/ListenSMTP.java
---
@@ -0,0 +1,383 @@
+/*
+ * 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.nifi.processors.email;
+
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.SSLSocket;
+import javax.net.ssl.SSLSocketFactory;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.net.InetSocketAddress;
+import java.net.Socket;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.LinkedBlockingQueue;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import org.apache.nifi.annotation.lifecycle.OnStopped;
+import org.apache.nifi.flowfile.attributes.CoreAttributes;
+import org.apache.nifi.logging.ComponentLog;
+import org.apache.nifi.processor.DataUnit;
+import org.apache.nifi.processors.email.smtp.event.SmtpEvent;
+import
org.apache.nifi.processors.email.smtp.handler.SMTPMessageHandlerFactory;
+import org.subethamail.smtp.server.SMTPServer;
+
+import org.apache.commons.lang3.StringUtils;
+import org.apache.nifi.annotation.lifecycle.OnScheduled;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.processor.AbstractProcessor;
+import org.apache.nifi.processor.ProcessorInitializationContext;
+import org.apache.nifi.processor.Relationship;
+import org.apache.nifi.processor.util.StandardValidators;
+
+import org.apache.nifi.annotation.behavior.InputRequirement;
+import org.apache.nifi.annotation.behavior.WritesAttribute;
+import org.apache.nifi.annotation.behavior.WritesAttributes;
+import org.apache.nifi.annotation.documentation.CapabilityDescription;
+import org.apache.nifi.annotation.documentation.Tags;
+import org.apache.nifi.processor.ProcessContext;
+import org.apache.nifi.processor.ProcessSession;
+import org.apache.nifi.processor.exception.ProcessException;
+import org.apache.nifi.components.ValidationContext;
+import org.apache.nifi.components.ValidationResult;
+import org.apache.nifi.flowfile.FlowFile;
+import org.apache.nifi.processor.io.OutputStreamCallback;
+import org.apache.nifi.ssl.SSLContextService;
+
+@Tags({"listen", "email", "smtp"})
+@InputRequirement(InputRequirement.Requirement.INPUT_FORBIDDEN)
+@CapabilityDescription("This processor implements a lightweight SMTP
server to an arbitrary port, " +
+ "allowing nifi to lister for incoming email. " +
+ "" +
+ "Note this server does not perform any email validation. If direct
exposure to the internet is sought," +
+ "it may be a better idea to use the combination of NiFi and an
industrial scale MTA (e.g. Postfix)")
+@WritesAttributes({
+ @WritesAttribute(attribute = "mime.type", description = "The value
used during HELO"),
+ @WritesAttribute(attribute = "smtp.helo", description = "The value
used during HELO"),
+ @WritesAttribute(attribute = "smtp.certificates.*.serial",
description = "The serial numbers for each of the " +
+ "certificates used by an TLS peer"),
+ @WritesAttribute(attribute = "smtp.certificates.*.principal",
description = "The principal for each of the " +
+ "certificates used by an TLS peer"),
+ @WritesAttribute(attribute = "smtp.from", description = "The value
used during MAIL FROM (i.e. envelope)"),
+ @WritesAttribute(attribute = "smtp.to", description = "The value
used during RCPT TO (i.e. envelope)")})
+
+public class ListenSMTP extends AbstractProcessor {
+ public static final String SMTP_HELO = "smtp.helo";
+ public static final String SMTP_FROM = "smtp.from";
+ public static final String SMTP_TO = "smtp.to";
+ public static final String MIME_TYPE = "message/rfc822";
+
+
+ protected static final PropertyDescriptor SMTP_PORT = new
PropertyDescriptor.Builder()
+ .name("SMTP_PORT")
+ .displayName("Listening Port")
+ .description("The TCP port the ListenSMTP processor will bind
to." +
+ "NOTE that on Unix derivative operating systems this
port must " +
+ "be higher than 1024 unless NiFi is running as with
root user permissions.")
+ .required(true)
+ .expressionLanguageSupported(false)
+ .addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
--- End diff --
We should use PORT_VALIDATOR for SMTP_PORT.
> Create ListenSMTP & ExtractEmailAttachment processors
> -----------------------------------------------------
>
> Key: NIFI-1899
> URL: https://issues.apache.org/jira/browse/NIFI-1899
> Project: Apache NiFi
> Issue Type: New Feature
> Reporter: Andre
>
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