Use the available multipart content-type to add HTML code to bounces (#…

…2091) * Added HTML Bounce ability
haraka · Sep 30, 2017 · adadf83 · adadf83
1 parent 13f715e
commit adadf83
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diff --git a/Changes.md b/Changes.md
@@ -20,6 +20,8 @@
     * update js-yaml to version 3.10.0 #2097
     * repackage p0f plugin to NPM #2076
     * ES6: replace var with const or let  #2073
+* New Features
+    * Bounces can have an HTML part #2091
 * Fixes
     * daemon cwd #2126
     * updated fcrdns plugin name passed to results #2115

diff --git a/config/outbound.bounce_message_html b/config/outbound.bounce_message_html
@@ -0,0 +1,36 @@
+<html>
+<head>
+<style>
+* {
+font-family:Roboto, "Helvetica Neue", Helvetica, Arial, sans-serif;
+}
+</style>
+</head>
+<body>
+<table cellpadding="0" cellspacing="0" class="email-wrapper" style="padding-top:32px;background-color:#ffffff;"><tbody>
+<tr><td>
+<table cellpadding=0 cellspacing=0><tbody>
+<tr><td style="max-width:560px;padding:24px 24px 32px;background-color:#fafafa;border:1px solid #e0e0e0;border-radius:2px">
+<img style="padding:0 24px 16px 0;float:left" width=72 height=72 alt="Foutpictogram" src="cid:icon.png">
+<table style="min-width:272px;padding-top:8px"><tbody>
+<tr><td><h2 style="font-size:20px;color:#212121;font-weight:bold;margin:0">
+Message not delivered
+</h2></td></tr>
+<tr><td style="padding-top:20px;color:#757575;font-size:16px;font-weight:normal;text-align:left">
+A problem has occurred when trying to deliver your mail to <a style='color:#212121;text-decoration:none'><b>{recipients}</b></a> . Look below for the technical details.
+</td></tr>
+</tbody></table>
+</td></tr>
+</tbody></table>
+</td></tr>
+<tr style="border:none;background-color:#fff;font-size:12.8px;width:90%">
+<td align="left" style="padding:48px 10px">
+Reaction of the server: <br/>
+<p style="font-family:monospace">
+{reason}
+</p>
+</td>
+</tr>
+</tbody></table>
+</body>
+</html>
diff --git a/config/outbound.bounce_message_image b/config/outbound.bounce_message_image
@@ -0,0 +1,106 @@
+Content-Type: image/png; name="icon.png"
+Content-Disposition: attachment; filename="icon.png"
+Content-Transfer-Encoding: base64
+Content-ID: <icon.png>
+
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diff --git a/docs/Outbound.md b/docs/Outbound.md
@@ -284,6 +284,10 @@ The contents of the bounce message are configured by a file called
 contains several template entries wrapped in curly brackets. These will be
 populated as follows:
 
+Optional: Possibility to add HTML code (with optional image) to the bounce message is possible 
+by adding the files `config/outbound.bounce_message_html`. An image can be attached 
+to the mail by using `config/outbound.bounce_message_image`.
+
 * pid - the current process id
 * date - the current date when the bounce occurred
 * me - the contents of `config/me`

diff --git a/outbound/hmail.js b/outbound/hmail.js
@@ -976,8 +976,13 @@ HMailItem.prototype.populate_bounce_message_with_headers = function (from, to, r
     const originalMessageId = header.get('Message-Id');
 
     const bounce_msg_ = config.get('outbound.bounce_message', 'data');
+    const bounce_msg_html_ = config.get('outbound.bounce_message_html', 'data');
+    const bounce_msg_image_ = config.get('outbound.bounce_message_image', 'data');
+
     const bounce_header_lines = [];
     const bounce_body_lines = [];
+    const bounce_html_lines = [];
+    const bounce_image_lines = [];
     let bounce_headers_done = false;
     bounce_msg_.forEach(function (line) {
         if (bounce_headers_done == false && line == '') {
@@ -991,6 +996,14 @@ HMailItem.prototype.populate_bounce_message_with_headers = function (from, to, r
         }
     });
 
+    bounce_msg_html_.forEach(function (line) {
+        bounce_html_lines.push(line)
+    });
+
+    bounce_msg_image_.forEach(function (line) {
+        bounce_image_lines.push(line)
+    });
+
 
     const boundary = 'boundary_' + utils.uuid();
     const bounce_body = [];
@@ -1009,14 +1022,49 @@ HMailItem.prototype.populate_bounce_message_with_headers = function (from, to, r
     bounce_body.push('This is a MIME-encapsulated message.' + CRLF);
     bounce_body.push(CRLF);
 
-    bounce_body.push('--' + boundary + CRLF);
+    let boundary_incr = ''
+    if (bounce_html_lines.length > 1) {
+        boundary_incr = 'a'
+        bounce_body.push('--' + boundary + CRLF);
+        bounce_body.push('Content-Type: multipart/related; boundary="' + boundary + boundary_incr + '"' + CRLF);
+        bounce_body.push(CRLF);
+        bounce_body.push('--' + boundary + boundary_incr + CRLF);
+        boundary_incr = 'b'
+        bounce_body.push('Content-Type: multipart/alternative; boundary="' + boundary + boundary_incr + '"' + CRLF);
+        bounce_body.push(CRLF);
+    }
+
+    bounce_body.push('--' + boundary + boundary_incr + CRLF);
     bounce_body.push('Content-Type: text/plain; charset=us-ascii' + CRLF);
     bounce_body.push(CRLF);
     bounce_body_lines.forEach(function (line) {
         bounce_body.push(line + CRLF);
     });
     bounce_body.push(CRLF);
 
+    if (bounce_html_lines.length > 1) {
+        bounce_body.push('--' + boundary + boundary_incr + CRLF);
+        bounce_body.push('Content-Type: text/html; charset=us-ascii' + CRLF);
+        bounce_body.push(CRLF);
+        bounce_html_lines.forEach(function (line) {
+            bounce_body.push(line + CRLF);
+        });
+        bounce_body.push(CRLF);
+        bounce_body.push('--' + boundary + boundary_incr + '--' + CRLF);
+
+        if (bounce_image_lines.length > 1) {
+            boundary_incr = 'a'
+            bounce_body.push('--' + boundary + boundary_incr + CRLF);
+            //bounce_body.push('Content-Type: text/html; charset=us-ascii' + CRLF);
+            //bounce_body.push(CRLF);
+            bounce_image_lines.forEach(function (line) {
+                bounce_body.push(line + CRLF);
+            });
+            bounce_body.push(CRLF);
+            bounce_body.push('--' + boundary + boundary_incr + '--' + CRLF);
+        }
+    }
+
     bounce_body.push('--' + boundary + CRLF);
     bounce_body.push('Content-type: message/delivery-status' + CRLF);
     bounce_body.push(CRLF);
@@ -1271,7 +1319,7 @@ HMailItem.prototype.deferred_respond = function (retval, msg, params) {
     parts.next_attempt = Date.now() + delay;
     parts.attempts = this.num_failures;
     const new_filename = _qfile.name(parts);
-    // var new_filename = this`.filename.replace(/^(\d+)_(\d+)_/, until + '_' + this.num_failures + '_');
+    // const new_filename = this`.filename.replace(/^(\d+)_(\d+)_/, until + '_' + this.num_failures + '_');
 
     const hmail = this;
     fs.rename(this.path, path.join(queue_dir, new_filename), function (err) {