Source Code for Module backend.common.rhnMail

 1  # 
 2  # Copyright (c) 2008--2016 Red Hat, Inc. 
 3  # 
 4  # This software is licensed to you under the GNU General Public License, 
 5  # version 2 (GPLv2). There is NO WARRANTY for this software, express or 
 6  # implied, including the implied warranties of MERCHANTABILITY or FITNESS 
 7  # FOR A PARTICULAR PURPOSE. You should have received a copy of GPLv2 
 8  # along with this software; if not, see 
 9  # http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. 
10  # 
11  # Red Hat trademarks are not licensed under GPLv2. No permission is 
12  # granted to use or replicate Red Hat trademarks that are incorporated 
13  # in this software or its documentation. 
14  # 
15  # this module implements the send mail support 
16  # 
17   
18  import os 
19  import smtplib 
20   
21  from rhn.connections import idn_puny_to_unicode 
22   
23  from spacewalk.common.rhnConfig import CFG, PRODUCT_NAME 
24  from spacewalk.common.stringutils import to_string 
25   
26  # check if the headers have the minimum required fields 
27   
28   
29 -def __check_headers(h): 
30      if not isinstance(h, type({})) or not hasattr(h, "has_key"): 
31          # does not look like a dictionary 
32          h = {} 
33      if "Subject" not in h: 
34          h["Subject"] = "%s System Mail From %s" % (PRODUCT_NAME, 
35                                                     idn_puny_to_unicode(os.uname()[1])) 
36      if "To" not in h: 
37          to = CFG.TRACEBACK_MAIL 
38      else: 
39          to = h["To"] 
40      if "Content-Type" not in h: 
41          h["Content-Type"] = "text/plain; charset=utf-8" 
42      if isinstance(to, (type([]), type(()))): 
43          toaddrs = to 
44          to = ', '.join(to) 
45      else: 
46          toaddrs = to.split(',') 
47      h["To"] = to 
48      return [h, toaddrs] 
49   
50  # check the headers for sanity cases and send the mail 
51   
52   
53 -def send(headers, body, sender=None): 
54      (headers, toaddrs) = __check_headers(headers) 
55      if sender is None: 
56          sender = headers["From"] 
57      joined_headers = u'' 
58      for h in headers.keys(): 
59          joined_headers += u"%s: %s\n" % (h, headers[h]) 
60   
61      server = smtplib.SMTP('localhost') 
62      msg = "%s\n%s\n" % (to_string(joined_headers), to_string(body)) 
63      server.sendmail(sender, toaddrs, msg) 
64      server.quit() 
65