add send_mail function

2 files changed, 25 insertions, 1 deletions

diff --git a/default_settings.py b/default_settings.py
index 61b0dee..6fc80c3 100644
--- a/default_settings.py
+++ b/default_settings.py
@@ -1,4 +1,9 @@
-SECRET_KEY = 'remember to change this to something more random and private'
+SECRET_KEY = 'remember to change this to something more random and secret'
 
 # CHANGE THIS! (e.g. os.urandom(32) )
 PASSWORD_ENCRYPTION_KEY = '.\x14\xa7\x1b\xa2:\x1b\xb7\xbck\x1bD w\xab\x87a\xb4\xb7\xca\xf1\x06\xb0\x9f?q\x13\x05\x8dY\xe5<'
+
+MAIL_DEFAULT_SENDER = 'help-me-help-me-please@spline.de'
+MAIL_CONFIRM_SENDER = 'spline accounts <noreply@account.spline.de>'
+
+SENDMAIL_COMMAND = '/usr/sbin/sendmail'
diff --git a/utils.py b/utils.py
index bdb7f18..889a65f 100644
--- a/utils.py
+++ b/utils.py
@@ -4,6 +4,7 @@ import ldap
 import pickle
 import re
 from Crypto.Cipher import AES
+from email.mime.text import MIMEText
 from functools import wraps
 from flask import flash, g, redirect, render_template, request, session, url_for
 from hashlib import sha1
@@ -117,6 +118,24 @@ def verify_confirmation(realm, token):
     return pickle.loads(payload)
 
 
+def send_mail(recipient, subject, body, sender=None):
+    if sender is None:
+        sender = current_app.config['MAIL_DEFAULT_SENDER']
+
+    safe = lambda s: s.split('\n', 1)[0]
+
+    msg = MIMEText(body, _charset='utf-8')
+    msg['Subject'] = safe(subject)
+    msg['To'] = safe(recipient)
+    msg['From'] = safe(sender)
+
+    p = subprocess.Popen([current_app.config['SENDMAIL_COMMAND'], '-t'],
+                         stdin=subprocess.PIPE)
+    p.stdin.write(msg.as_string())
+    p.stdin.close()
+
+    if p.wait() != 0:
+        raise RuntimeError('sendmail terminated with %d' % p.returncode)
 
 # circular import
 from app import app