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Hallo!
Our company has decided to allow only SSL connections to the e-mailbox
from outside. So I needed a SSL capable "imaplib.py" to run my
mailwatcher-scripts from home.
Thanks to the socket.ssl() in recent Pythons it was nearly no problem to
derive an IMAP4_SSL-class from the existing IMAP4-class in Python's
standard library.
Maybe you want to look over the very small additions that were necessary
to implement the IMAP-over-SSL-functionality and add it as a part of the
next official "imaplib.py"?
Here's the context diff from the most recent CVS version (1.43). It
works fine for me this way and it's only a few straight-forward lines of
code.
Maybe I could contribute a bit to the Python project with this patch?
Best regards
Tino Lange
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*** imaplib_143.py Fri Mar 1 08:52:29 2002
--- SSL_imaplib_143.py Fri Mar 1 14:18:15 2002
***************
*** 28,33 ****
--- 28,34 ----
CRLF = '\r\n'
Debug = 0
IMAP4_PORT = 143
+ IMAP4_SSL_PORT = 993
AllowedVersions = ('IMAP4REV1', 'IMAP4') # Most recent first
# Commands
***************
*** 980,985 ****
--- 981,1056 ----
i = 0
n -= 1
+
+ class IMAP4_SSL(IMAP4):
+
+ """IMAP4 client class over SSL connection
+
+ Instantiate with: IMAP4_SSL([, host[, port[, keyfile[, certfile]]]])
+
+ host - host's name (default: localhost);
+ port - port number (default: standard IMAP4 SSL port).
+ keyfile - PEM formatted file that contains your private key (default: None);
+ certfile - PEM formatted certificate chain file (default: None);
+
+ for more documentation see the docstring of the parent class IMAP4.
+ """
+
+
+ def __init__(self, host = '', port = IMAP4_SSL_PORT, keyfile = None, certfile = None):
+ self.keyfile = keyfile
+ self.certfile = certfile
+ IMAP4.__init__(self, host, port)
+
+
+ def open(self, host, port):
+ """Setup connection to remote server on "host:port".
+ This connection will be used by the routines:
+ read, readline, send, shutdown.
+ """
+ self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+ self.sock.connect((self.host, self.port))
+ self.sslobj = socket.ssl(self.sock,self.keyfile, self.certfile)
+
+
+ def read(self, size):
+ """Read 'size' bytes from remote."""
+ return self.sslobj.read(size)
+
+
+ def readline(self):
+ """Read line from remote."""
+ line = ""
+ while 1:
+ char = self.sslobj.read(1)
+ line += char
+ if char == "\n": return line
+
+
+ def send(self, data):
+ """Send data to remote."""
+ self.sslobj.write(data)
+
+
+ def shutdown(self):
+ """Close I/O established in "open"."""
+ self.sock.close()
+
+
+ def socket(self):
+ """Return socket instance used to connect to IMAP4 server.
+
+ socket = <instance>.socket()
+ """
+ return self.sock
+
+
+ def ssl(self):
+ """Return SSLObject instance used to communicate with the IMAP4 server.
+
+ ssl = <instance>.socket.ssl()
+ """
+ return self.sslobj
class _Authenticator:
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