[email] Add MDA script which passes mails to API

kibicara/kibicara_mda.py

@@ -0,0 +1,46 @@
+# Copyright (C) 2020 by Maike <maike@systemli.org>
+#
+# SPDX-License-Identifier: 0BSD
+
+import email.parser
+import json
+import sys
+import re
+from logging import getLogger
+from kibicara.platforms.email.model import Email
+
+
+logger = getLogger(__name__)
+
+
+# read mail from STDIN
+mailbytes = bytes(sys.stdin.read())
+
+# parse plaintext to email.EmailMessage object
+myparser = email.parser.BytesParser()
+mail = myparser.parsebytes(mailbytes)
+
+# extract relevant data from mail
+for part in mail.walk():
+    try:
+        text = part.get_body(('plain',))
+        if not text:
+            text = re.sub(r'<[^>]*>', '', part.get_body(('html',)))
+        if not text:
+            logger.error('No suitable message body')
+            exit(0)
+    except Exception:
+        logger.info("No Body in this message part", exc_info=True)
+        exit(0)
+body = {
+    'text': text,
+    'to': mail['To'].lower(),
+    'author': mail['From'].lower(),
+    'secret': Email.secret
+}
+
+# POST request mit API-key und JSON-body an /api/email/messages/:
+print("curl "
+      "-X POST http://localhost/api/email/messages/ "
+      "-H 'Content-Type: application/json' "
+      "-d " + json.dumps(body))