Programming Python, 3rd Edition

Reading POP Email

So far, we’ve stepped through the path the system follows to send new mail. Let’s now see what happens when we try to view incoming POP mail.

The POP Password Page

If you flip back to the main page in Figure 17-2, you’ll see a View link; pressing it triggers the script in Example 17-6 to run on the server.

Example 17-6. PP3E\Internet\Web\PyMailCgi\cgi-bin\onRootViewLink.py

#!/usr/bin/python ############################################################## # on view link click on main/root HTML page # this could almost be an HTML file because there are likely # no input params yet, but I wanted to use standard header/ # footer functions and display the site/usernames which must # be fetched; On submission, doesn't send the user along with # password here, and only ever sends both as URL params or # hidden fields after the password has been encrypted by a # user-uploadable encryption module; put HTML in commonhtml? ############################################################## # page template pswdhtml = """ <form method=post action=%sonViewPswdSubmit.py> <p> Please enter POP account password below, for user "%s" and site "%s". <p><input name=pswd type=password> <input type=submit value="Submit"></form></p> <hr><p><i>Security note</i>: The password you enter above will be transmitted over the Internet to the server machine, but is not displayed, is never transmitted in combination with a username unless it is encrypted, and is never stored anywhere: not on the server (it ...