do.cgi

   1 #!/usr/bin/env python2.4
   2 # -*- mode: python -*-
   3
   4 import os, logging
   5 import cgi, cgitb
   6 cgitb.enable()
   7
   8 ## cgi header
   9 print "Content-type: text/html"
  10 print
  11
  12 from dispatch_email import *
  13
  14 cgilog = logging.getLogger("cgi")
  15 cgilog.addHandler(logging_handler())
  16 cgilog.setLevel(logging.DEBUG)
  17
  18 PATH_INFO = os.environ.get("PATH_INFO", "")
  19 cgilog.debug("Request %s", PATH_INFO)
  20
  21 def validate_email(email):
  22     """validate email address
  23     - http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/65215
  24     """
  25     EMAIL_RE = "^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$"
  26     if not(len(email) > 7 and re.match(EMAIL_RE, email)):
  27         raise UserError, "Not a valid email address"
  28
  29 def page_done(msg):
  30     print "<title>dailyzen</title>"
  31     print '<link rel="stylesheet" type="text/css" href="http://nearfar.org/paste.css" />'
  32     print "<body>"
  33     print "<h3 style='text-align: center'>%s</h3>" % msg
  34     print "<p style='text-align: center'>Return to <a href='%s'>dailyzen</></p>" % WWW_URL
  35
  36 try:
  37     if PATH_INFO == "/subscribe":
  38         form = cgi.FieldStorage()
  39         try:
  40             email = form["email"].value
  41         except KeyError:
  42             email = ""
  43         email = email.strip()
  44
  45         # silly clickers
  46         if email.endswith("@example.com"):
  47             raise UserError, "I need YOUR email"
  48
  49         validate_email(email)
  50         register_user(email)
  51         page_done("To verify your email address, please follow the link sent to you by email.")
  52
  53     elif PATH_INFO.startswith("/verify"):
  54         args = PATH_INFO[ len("/verify/") : ]
  55         email, id = args.split(",")
  56         validate_user(email, id)
  57         page_done("You are now subscribed. Welcome. :)")
  58
  59     elif PATH_INFO.startswith("/unsubscribe"):
  60         args = PATH_INFO[ len("/unsubscribe/") : ]
  61         email, id = args.split(",")
  62         delete_user(email, id)
  63         page_done("You are unsubscribed. See ya again.")
  64
  65     elif PATH_INFO == "/send_to_all":
  66         user_agent = os.environ.get("HTTP_USER_AGENT")
  67         cgilog.info("/send_to_all requested by agent: [%s]", user_agent)
  68         if user_agent.startswith("WEBCRON"):
  69             dispatch_all()
  70             print "Ok"
  71         else:
  72             cgilog.warn("/send_to_all NOT requested by webcron, but [%s]", user_agent)
  73             print "Pass"
  74
  75     else:
  76         raise UserError, "Invalid request: %s" % PATH_INFO
  77
  78 except UserError, e:
  79     cgilog.error("UserError: %s", e)
  80     page_done("Error: %s" % e)