Add MTA node to email

2020-10-19 12:24:18 +01:00 · 2020-10-19 12:24:18 +01:00 · 14087a9f77
parent 8f2c631410
commit 14087a9f77
7 changed files with 140 additions and 16 deletions
--- a/social/email/61-email.html
+++ b/social/email/61-email.html
@ -86,7 +86,7 @@
            return this._("email.email");
        },
        label: function() {
-            return this.dname||this.name||"email";
+            return this.dname||this.name||this._("email.email");
        },
        labelStyle: function() {
            return (this.dname)?"node_label_italic":"";
@ -280,3 +280,37 @@
    });
 })();
 </script>
+
+
+<script type="text/html" data-template-name="e-mail mta">
+    <div class="form-row">
+        <label for="node-input-port"><i class="fa fa-random"></i> <span data-i18n="email.label.port"></span></label>
+        <input type="text" id="node-input-port" style="width:70%;"/>
+    </div>
+    <div class="form-row">
+        <label for="node-input-name"><i class="fa fa-tag"></i> <span data-i18n="node-red:common.label.name"></span></label>
+        <input type="text" id="node-input-name" data-i18n="[placeholder]node-red:common.label.name">
+    </div>
+    <div class="form-tips" id="node-tip"><span data-i18n="[html]email.tip.mta"></span></div>
+</script>
+
+<script type="text/javascript">
+    RED.nodes.registerType('e-mail mta',{
+        category: 'social',
+        color:"#c7e9c0",
+        defaults: {
+            name: {value:""},
+            port: {value:"1025",required:true},
+        },
+        inputs:0,
+        outputs:1,
+        icon: "envelope.png",
+        paletteLabel: function() { return this._("email.email") + " MTA" },
+        label: function() {
+            return this.name||this._("email.email") + " MTA";
+        },
+        labelStyle: function() {
+            return this.name?"node_label_italic":"";
+        }
+    });
+</script>
--- a/social/email/61-email.js
+++ b/social/email/61-email.js
@ -1,3 +1,4 @@
+/* eslint-disable indent */

 /**
 * POP3 protocol - RFC1939 - https://www.ietf.org/rfc/rfc1939.txt
@ -11,11 +12,13 @@

 module.exports = function(RED) {
    "use strict";
-    var nodemailer = require("nodemailer");
+    var util = require("util");
    var Imap = require('imap');
    var POP3Client = require("poplib");
-    var SimpleParser = require("mailparser").simpleParser;
-    var util = require("util");
+    var nodemailer = require("nodemailer");
+    var simpleParser = require("mailparser").simpleParser;
+    var SMTPServer = require("smtp-server").SMTPServer;
+    //var microMTA = require("micromta").microMTA;

    if (parseInt(process.version.split("v")[1].split(".")[0]) < 8) {
        throw "Error : Requires nodejs version >= 8.";
@ -291,8 +294,8 @@ module.exports = function(RED) {

                    // We have now received a new email message.  Create an instance of a mail parser
                    // and pass in the email message.  The parser will signal when it has parsed the message.
-                    SimpleParser(data, {}, function(err, parsed) {
-                        //node.log(util.format("SimpleParser: on(end): %j", mailObject));
+                    simpleParser(data, {}, function(err, parsed) {
+                        //node.log(util.format("simpleParser: on(end): %j", mailObject));
                        if (err) {
                            node.status({fill:"red", shape:"ring", text:"email.status.parseerror"});
                            node.error(RED._("email.errors.parsefail", {folder:node.box}), err);
@ -406,7 +409,7 @@ module.exports = function(RED) {
                                    //console.log("> Fetch message - msg=%j, seqno=%d", imapMessage, seqno);
                                        imapMessage.on('body', function(stream, info) {
                                        //console.log("> message - body - stream=?, info=%j", info);
-                                            SimpleParser(stream, {}, function(err, parsed) {
+                                            simpleParser(stream, {}, function(err, parsed) {
                                                if (err) {
                                                    node.status({fill:"red", shape:"ring", text:"email.status.parseerror"});
                                                    node.error(RED._("email.errors.parsefail", {folder:node.box}),err);
@ -513,4 +516,63 @@ module.exports = function(RED) {
            global: { type:"boolean" }
        }
    });
+
+
+    function emailMtaNode(n) {
+        RED.nodes.createNode(this,n);
+        this.port = n.port;
+        var node = this;
+
+        node.mta = new SMTPServer({
+            secure: false,
+            logger: false,
+            disabledCommands: ['AUTH', 'STARTTLS'],
+
+            onData: function (stream, session, callback) {
+                simpleParser(stream, {
+                    skipTextToHtml: true,
+                    skipTextLinks: true
+                })
+                .then(parsed => {
+                    node.status({fill:"green", shape:"dot", text:""});
+                    var msg = {}
+                    msg.payload = parsed.text;
+                    msg.topic = parsed.subject;
+                    msg.date = parsed.date;
+                    msg.header = {};
+                    parsed.headers.forEach((v, k) => {msg.header[k] = v;});
+                    if (parsed.html) { msg.html = parsed.html; }
+                    if (parsed.to) {
+                        if (typeof(parsed.to) === "string" && parsed.to.length > 0) { msg.to = parsed.to; }
+                        else if (parsed.to.hasOwnProperty("text") && parsed.to.text.length > 0) { msg.to = parsed.to.text; }
+                    }
+                    if (parsed.cc) {
+                        if (typeof(parsed.cc) === "string" && parsed.cc.length > 0) { msg.cc = parsed.cc; }
+                        else if (parsed.cc.hasOwnProperty("text") && parsed.cc.text.length > 0) { msg.cc = parsed.cc.text; }
+                    }
+                    if (parsed.cc && parsed.cc.length > 0) { msg.cc = parsed.cc; }
+                    if (parsed.bcc && parsed.bcc.length > 0) { msg.bcc = parsed.bcc; }
+                    if (parsed.from && parsed.from.value && parsed.from.value.length > 0) { msg.from = parsed.from.value[0].address; }
+                    if (parsed.attachments) { msg.attachments = parsed.attachments; }
+                    else { msg.attachments = []; }
+                    node.send(msg); // Propagate the message down the flow
+                    setTimeout(function() { node.status({})}, 500);
+                })
+                .catch(err => { node.error(RED._("email.errors.parsefail"),err); })
+                .finally(callback);
+            }
+        });
+
+        node.mta.listen(node.port);
+
+        node.mta.on("error", err => {
+            node.error("Error: " + err.message, err);
+        });
+
+        node.on("close", function() {
+            node.mta.close();
+        });
+    }
+    RED.nodes.registerType("e-mail mta",emailMtaNode);
+
 };
--- a/social/email/locales/en-US/61-email.html
+++ b/social/email/locales/en-US/61-email.html
@ -26,7 +26,7 @@
    <p>Additionally <code>msg.header</code> contains the complete header object including
    <i>to</i>, <i>cc</i> and other potentially useful properties.</p>
    <p>It can optionally mark the message as Read (default), Delete it, or leave unmarked (None).</p>
-    <p>Uses the <a href="https://github.com/mscdex/node-imap/blob/master/README.md" target="_new">node-imap module</a> - see that page for 
+    <p>Uses the <a href="https://github.com/mscdex/node-imap/blob/master/README.md" target="_new">node-imap module</a> - see that page for
        information on the <code>msg.criteria</code> format if needed.</p>
    <p><b>Note</b>: uses IMAP with SSL to port 993.</p>
    <p>Any attachments supplied in the incoming email can be found in the <code>msg.attachments</code> property. This will be an array of objects where
@ -51,3 +51,13 @@

 </script>

+<script type="text/html" data-help-name="e-mail mta">
+    <p>Mail Transfer Agent - listens on a port for incoming SMTP mail.</p>
+    <p><b>Note</b>: "NOT for production use" as there is no security built in.
+    This is primarily for local testing of outbound mail sending, but could be used
+    as a mail forwarder to a real email service if required.</p>
+    <p>To use ports below 1024, for example 25 or 465, you may need to get privileged access.
+    On linux systems this can be done by running
+    <pre>sudo setcap 'cap_net_bind_service=+eip' $(which node)</pre>
+    and restarting Node-RED. Be aware - this gives all node applications access to all ports.</p>
+</script>
--- a/social/email/locales/en-US/61-email.json
+++ b/social/email/locales/en-US/61-email.json
@ -34,7 +34,8 @@
        "default-message": "__description__\n\nFile from Node-RED is attached: __filename__",
        "tip": {
            "cred": "<b>Note:</b> Copied credentials from global emailkeys.js file.",
-            "recent": "Tip: Only retrieves the single most recent email."
+            "recent": "Tip: Only retrieves the single most recent email.",
+            "mta": "<b>Note:</b> To use ports below 1024 you may need elevated (root) privileges. See help sidebar."
        },
        "status": {
            "messagesent": "Message sent: __response__",
@ -47,6 +48,7 @@
            "inboxzero": "you have achieved Inbox Zero",
            "sending": "sending",
            "sendfail": "send failed",
+            "parseerror": "Failed to parse message",
            "connecterror": "connect error"
        },
        "errors": {
@ -56,6 +58,7 @@
            "nosmtptransport": "No SMTP transport. See info panel.",
            "nopayload": "No payload to send",
            "fetchfail": "Failed to fetch folder: __folder__",
+            "parsefail": "Failed to parse message",
            "messageerror": "Fetch message error: __error__",
            "refreshtoolarge": "Refresh interval too large. Limiting to 2147483 seconds"
        }
--- a/social/email/locales/ja/61-email.html
+++ b/social/email/locales/ja/61-email.html
@ -38,3 +38,13 @@
 <p>POP3プロトコルでのデフォルトポート番号は、素のTCPでは110番、SSLでは995番です。IMAPプロトコルでは、素のTCPでは143番、SSLでは993番です。</p>

 </script>
+
+<script type="text/html" data-help-name="e-mail mta">
+    <p>メール転送エージェント - 入ってくるSMTPメールのため、ポートでリッスンします。</p>
+    <p><b>注釈</b>: セキュリティが組み込まれていないため、"プロダクション向けではありません"。
+    これは主に、外部へのメール送信のローカルテスト向けですが、必要に応じて実際のメールサービスへのメール転送としても使用できます。</p>
+    <p>1024未満のポート(例えば25や465など)を使用するには、特権的アクセスを得る必要がある場合があります。
+    Linuxシステムでは以下のコマンドを実行し、Node-REDを再起動することで達成できます。
+    <pre>sudo setcap ‘cap_net_bind_service=+eip’ $(which node)</pre>
+    これによって、全てのnodeアプリケーションが全ポートにアクセスできる様になることに注意してください.</p>
+</script>
--- a/social/email/locales/ja/61-email.json
+++ b/social/email/locales/ja/61-email.json
@ -21,7 +21,8 @@
        "default-message": "__description__\n\nNode-REDからファイルが添付されました: __filename__",
        "tip": {
            "cred": "<b>注釈:</b> emailkeys.jsファイルから認証情報をコピーしました。",
-            "recent": "注釈: 最新のメールを1件のみ取得します。"
+            "recent": "注釈: 最新のメールを1件のみ取得します。",
+            "mta": "<b>注釈:</b> 1024未満のポートを使用するには、昇格された(root)特権が必要です。ヘルプサイドバーを参照してください。"
        },
        "status": {
            "messagesent": "メッセージを送信しました: __response__",
@ -34,6 +35,7 @@
            "inboxzero": "受信トレイにメールがありません",
            "sending": "送信中",
            "sendfail": "送信が失敗しました",
+            "parseerror": "メッセージのパースに失敗",
            "connecterror": "接続エラー"
        },
        "errors": {
@ -43,6 +45,7 @@
            "nosmtptransport": "SMTP転送が設定されていません。「情報」タブを参照してください",
            "nopayload": "送信するペイロードがありません",
            "fetchfail": "フォルダの受信に失敗しました: __folder__",
+            "parsefail": "メッセージのパースに失敗",
            "messageerror": "メッセージ受信エラー: __error__"
        }
    }
--- a/social/email/package.json
+++ b/social/email/package.json
@ -1,12 +1,13 @@
 {
  "name": "node-red-node-email",
-  "version": "1.7.11",
-  "description": "Node-RED nodes to send and receive simple emails",
+  "version": "1.8.0",
+  "description": "Node-RED nodes to send and receive simple emails.",
  "dependencies": {
    "imap": "^0.8.19",
-    "mailparser": "^2.8.1",
-    "nodemailer": "^6.4.11",
-    "poplib": "^0.1.7"
+    "poplib": "^0.1.7",
+    "mailparser": "^3.0.0",
+    "nodemailer": "~6.4.10",
+    "smtp-server": "^3.7.0"
  },
  "repository": {
    "type": "git",
@ -18,7 +19,8 @@
    "email",
    "gmail",
    "imap",
-    "pop"
+    "pop",
+    "mta"
  ],
  "node-red": {
    "nodes": {