mirror of
https://github.com/optim-enterprises-bv/Mailu.git
synced 2025-10-31 10:08:02 +00:00
74 lines
2.1 KiB
Python
74 lines
2.1 KiB
Python
from mailu import db, models
|
|
|
|
import socket
|
|
import urllib
|
|
|
|
|
|
SUPPORTED_AUTH_METHODS = ["none", "plain"]
|
|
|
|
|
|
STATUSES = {
|
|
"authentication": ("Authentication credentials invalid", {
|
|
"imap": "AUTHENTICATIONFAILED",
|
|
"smtp": "535 5.7.8",
|
|
"pop3": ""
|
|
}),
|
|
}
|
|
|
|
|
|
def handle_authentication(headers):
|
|
""" Handle an HTTP nginx authentication request
|
|
See: http://nginx.org/en/docs/mail/ngx_mail_auth_http_module.html#protocol
|
|
"""
|
|
method = headers["Auth-Method"]
|
|
protocol = headers["Auth-Protocol"]
|
|
# Incoming mail, no authentication
|
|
if method == "none" and protocol == "smtp":
|
|
server, port = get_server(headers["Auth-Protocol"], False)
|
|
return {
|
|
"Auth-Status": "OK",
|
|
"Auth-Server": server,
|
|
"Auth-Port": port
|
|
}
|
|
# Authenticated user
|
|
elif method == "plain":
|
|
server, port = get_server(headers["Auth-Protocol"], True)
|
|
user_email = urllib.parse.unquote(headers["Auth-User"])
|
|
password = urllib.parse.unquote(headers["Auth-Pass"])
|
|
user = models.User.query.get(user_email)
|
|
if user and user.check_password(password):
|
|
return {
|
|
"Auth-Status": "OK",
|
|
"Auth-Server": server,
|
|
"Auth-Port": port
|
|
}
|
|
else:
|
|
status, code = get_status(protocol, "authentication")
|
|
return {
|
|
"Auth-Status": status,
|
|
"Auth-Error-Code": code,
|
|
"Auth-Wait": 0
|
|
}
|
|
# Unexpected
|
|
else:
|
|
return {}
|
|
|
|
|
|
def get_status(protocol, status):
|
|
""" Return the proper error code depending on the protocol
|
|
"""
|
|
status, codes = STATUSES[status]
|
|
return status, codes[protocol]
|
|
|
|
|
|
def get_server(protocol, authenticated=False):
|
|
if protocol == "imap":
|
|
hostname, port = "imap", 143
|
|
elif protocol == "pop3":
|
|
hostname, port = "imap", 110
|
|
elif protocol == "smtp":
|
|
hostname = "smtp"
|
|
port = 10025 if authenticated else 25
|
|
address = socket.gethostbyname(hostname)
|
|
return address, port
|