Viewing file:  test_smtpnet.py (2.99 KB) -rw-r--r--
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import unittest
from test import support
from test.support import import_helper
from test.support import socket_helper
import smtplib
import socket
ssl = import_helper.import_module("ssl")
support.requires("network")
def check_ssl_verifiy(host, port):
context = ssl.create_default_context()
with socket.create_connection((host, port)) as sock:
try:
sock = context.wrap_socket(sock, server_hostname=host)
except Exception:
return False
else:
sock.close()
return True
class SmtpTest(unittest.TestCase):
testServer = 'smtp.gmail.com'
remotePort = 587
def test_connect_starttls(self):
support.get_attribute(smtplib, 'SMTP_SSL')
context = ssl.SSLContext(ssl.PROTOCOL_TLS_CLIENT)
context.check_hostname = False
context.verify_mode = ssl.CERT_NONE
with socket_helper.transient_internet(self.testServer):
server = smtplib.SMTP(self.testServer, self.remotePort)
try:
server.starttls(context=context)
except smtplib.SMTPException as e:
if e.args[0] == 'STARTTLS extension not supported by server.':
unittest.skip(e.args[0])
else:
raise
server.ehlo()
server.quit()
class SmtpSSLTest(unittest.TestCase):
testServer = 'smtp.gmail.com'
remotePort = 465
def test_connect(self):
support.get_attribute(smtplib, 'SMTP_SSL')
with socket_helper.transient_internet(self.testServer):
server = smtplib.SMTP_SSL(self.testServer, self.remotePort)
server.ehlo()
server.quit()
def test_connect_default_port(self):
support.get_attribute(smtplib, 'SMTP_SSL')
with socket_helper.transient_internet(self.testServer):
server = smtplib.SMTP_SSL(self.testServer)
server.ehlo()
server.quit()
def test_connect_using_sslcontext(self):
context = ssl.SSLContext(ssl.PROTOCOL_TLS_CLIENT)
context.check_hostname = False
context.verify_mode = ssl.CERT_NONE
support.get_attribute(smtplib, 'SMTP_SSL')
with socket_helper.transient_internet(self.testServer):
server = smtplib.SMTP_SSL(self.testServer, self.remotePort, context=context)
server.ehlo()
server.quit()
def test_connect_using_sslcontext_verified(self):
with socket_helper.transient_internet(self.testServer):
can_verify = check_ssl_verifiy(self.testServer, self.remotePort)
if not can_verify:
self.skipTest("SSL certificate can't be verified")
support.get_attribute(smtplib, 'SMTP_SSL')
context = ssl.create_default_context()
with socket_helper.transient_internet(self.testServer):
server = smtplib.SMTP_SSL(self.testServer, self.remotePort, context=context)
server.ehlo()
server.quit()
if __name__ == "__main__":
unittest.main()
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