added email routing with exim4 via /etc/aliases

README.md

@@ -75,7 +75,7 @@ We wrote these installation notes, so you can set up the website easily:
 To Do:
 
 ```shell
-sudo apt install python3 virtualenv uwsgi uwsgi-plugin-python3 nginx git
+sudo apt install python3 virtualenv uwsgi uwsgi-plugin-python3 nginx git exim4
 cd /srv
 sudo git clone https://github.com/b3yond/ticketfrei
 cd ticketfrei
@@ -110,6 +110,22 @@ sudo apt-get install python-certbot-nginx -t stretch-backports
 sudo certbot --authenticator webroot --installer nginx --agree-tos --redirect --hsts 
 ```
 
+Configure exim4 for using mbox files.
+
+```
+sudo dpkg-reconfigure exim4-config
+# Choose the following values:
+# internet site; mail is sent and received directly using SMTP
+# your domain name
+# 
+# your domain name
+# 
+# 
+# No
+# mbox format in /var/mail/
+# No
+```
+
 Deploy ticketfrei with uwsgi:
 
 ```shell

active_bots/mailbot.py

@@ -19,10 +19,11 @@ class Mailbot(Bot):
     def crawl(self, user):
         reports = []
         # todo: adjust to actual mailbox
-        mails = mailbox.mbox('/var/mail/test')
+        mails = mailbox.mbox("/var/mail/" + config['mail']['mbox_user'])
         for msg in mails:
             if get_date_from_header(msg['Date']) > user.get_seen_mail():
-                reports.append(make_report(msg, user))
+                if user.get_city() in msg['To']:
+                    reports.append(make_report(msg, user))
         return reports
 
     # post/boost Report object

config.toml.example

@@ -13,6 +13,7 @@ contact = "b3yond@riseup.net"
 mailserver = "smtp.riseup.net"
 user = "user"
 passphrase = "sup3rs3cur3"
+mbox = "root"
 
 [database]
 db_path = "/var/ticketfrei/db.sqlite"

db.py

@@ -1,7 +1,7 @@
 from config import config
 import jwt
 import logging
-from os import urandom
+from os import urandom, system
 from pylibscrypt import scrypt_mcf
 import sqlite3
 
@@ -257,6 +257,8 @@ u\d\d?"""
                          (uid, "bastard"))
         else:
             uid = json['uid']
+        with open("/etc/aliases", "a+") as f:
+            f.write(city + ": " + config["mail"]["mbox_user"])
         self.execute("INSERT INTO email (user_id, email) VALUES(?, ?);",
                      (uid, json['email']))
         self.execute("""INSERT INTO telegram_accounts (user_id, apikey,