Contact script upgraded to Python3 and HTTP server

Now the contact script creates an HTTP server instead of relying on CGI

cgi/contact

-#!/usr/bin/env python2
-# coding=utf-8
-
-import cgi
-import cgitb
-import re
-import smtplib
-import uuid
-import datetime
-from email.mime.text import MIMEText
-from subprocess import Popen, PIPE
-cgitb.enable()
-
-CONTACT_EMAIL_TO = 'kontakt@freifunk-bs.de'
-
-EMAIL_REGEX = r"(^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$)"
-
-print "Content-Type: text/html"
-print ""
-
-template = """<meta charset="utf-8">\n%s<br>\n<a href="/kontakt.html">zurück</a>"""
-form = cgi.FieldStorage()
-
-try:
-    email = form['email'].value
-    if not re.match(EMAIL_REGEX, email):
-        raise ValueError()
-    message = form['message'].value
-    
-    captcha = form['captcha'].value
-    captcha = captcha.replace("'", "")
-    captcha = captcha.replace('"', "")
-    captcha = captcha.strip()
-
-    today = str(datetime.datetime.now().day)
-    if today == captcha:
-        msg = MIMEText(message, 'plain', 'utf-8')
-        msg['From'] = "kontakt@freifunk-bs.de"
-        msg['To'] = CONTACT_EMAIL_TO
-        msg['Subject'] = 'Kontaktanfrage von %s' % email
-        msg['Reply-To'] = ','.join([email,CONTACT_EMAIL_TO])
-        uuid = str(uuid.uuid4()) #get a random uuid
-        msg['Message-ID'] = '<'+uuid+'@freifunk-bs.de>'
-        p = Popen(["/usr/sbin/sendmail", "-t", "-oi", "-FKontaktformular"], stdin=PIPE)
-        p.communicate(msg.as_string())
-        print template % "Ihre Nachricht wurde entgegengenommen"
-    else:
-        msg = MIMEText(message, 'plain', 'utf-8')
-        msg['From'] = "kontakt@freifunk-bs.de"
-        msg['To'] = CONTACT_EMAIL_TO
-        msg['Subject'] = '[CAPTCHA]Kontaktanfrage von %s' % email
-        msg['Reply-To'] = ','.join([email,CONTACT_EMAIL_TO])
-        uuid = str(uuid.uuid4()) #get a random uuid
-        msg['Message-ID'] = '<'+uuid+'@freifunk-bs.de>'
-        msg['X-FFBS-CAPTCHA'] = "Failed: User tried: {}; I expected: {}".format(captcha, today)
-        p = Popen(["/usr/sbin/sendmail", "-t", "-oi", "-FKontaktformular"], stdin=PIPE)
-        p.communicate(msg.as_string())
-        print template % "Der Spamschutz wurde nicht erfolgreich ausgefüllt. Bitte versuchen Sie es erneut."
-except Exception as e:
-    print template % "Die Anfrage ist ungültig"
-
-

contact.py

+#!/usr/bin/env python3
+# coding=utf-8
+
+from aiohttp import web
+import asyncio
+import re
+import smtplib
+import uuid
+import datetime
+from email.mime.text import MIMEText
+from subprocess import Popen, PIPE
+
+CONTACT_EMAIL_TO = 'kontakt@freifunk-bs.de'
+
+EMAIL_REGEX = r"(^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$)"
+
+template = """<meta charset="utf-8">\n%s<br>\n<a href="/kontakt.html">zurück</a>"""
+
+async def handle(req):
+    form = await req.post()
+    try:
+        email = form['email']
+        if not re.match(EMAIL_REGEX, email):
+            raise ValueError()
+        message = form['message']
+        
+        captcha = form['captcha']
+        captcha = captcha.replace("'", "")
+        captcha = captcha.replace('"', "")
+        captcha = captcha.strip()
+
+        today = str(datetime.datetime.now().day)
+        if today == captcha:
+            msg = MIMEText(message, 'plain', 'utf-8')
+            msg['From'] = "kontakt@freifunk-bs.de"
+            msg['To'] = CONTACT_EMAIL_TO
+            msg['Subject'] = 'Kontaktanfrage von %s' % email
+            msg['Reply-To'] = ','.join([email,CONTACT_EMAIL_TO])
+            ruuid = str(uuid.uuid4()) #get a random uuid
+            msg['Message-ID'] = '<'+ruuid+'@freifunk-bs.de>'
+            p = Popen(["/usr/sbin/sendmail", "-t", "-oi", "-FKontaktformular"], stdin=PIPE)
+            p.communicate(msg.as_string())
+            return web.Response(text = template % "Ihre Nachricht wurde entgegengenommen")
+        else:
+            msg = MIMEText(message, 'plain', 'utf-8')
+            msg['From'] = "kontakt@freifunk-bs.de"
+            msg['To'] = CONTACT_EMAIL_TO
+            msg['Subject'] = '[CAPTCHA]Kontaktanfrage von %s' % email
+            msg['Reply-To'] = ','.join([email,CONTACT_EMAIL_TO])
+            ruuid = str(uuid.uuid4()) #get a random uuid
+            msg['Message-ID'] = '<'+ruuid+'@freifunk-bs.de>'
+            msg['X-FFBS-CAPTCHA'] = "Failed: User tried: {}; I expected: {}".format(captcha, today)
+            p = Popen(["/usr/sbin/sendmail", "-t", "-oi", "-FKontaktformular"], stdin=PIPE)
+            p.communicate(msg.as_string())
+            return web.Response(text = template % "Der Spamschutz wurde nicht erfolgreich ausgefüllt. Bitte versuchen Sie es erneut.")
+    except Exception as e:
+        return web.Response(text = template % "Die Anfrage ist ungültig")
+
+app = web.Application()
+app.add_routes([web.post('/contact', handle)])
+
+if __name__ == '__main__':
+    web.run_app(app, host='::1', port=7392)
+
+# vim: expandtab:shiftwidth=4:softtabstop=4