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"""Certbot Enhancement Display"""
import logging
import zope.component
from certbot import errors
from certbot import interfaces
from certbot.display import util as display_util
logger = logging.getLogger(__name__)
# Define a helper function to avoid verbose code
util = zope.component.getUtility
def ask(enhancement):
"""Display the enhancement to the user.
:param str enhancement: One of the
:class:`certbot.CONFIG.ENHANCEMENTS` enhancements
:returns: True if feature is desired, False otherwise
:rtype: bool
:raises .errors.Error: if the enhancement provided is not supported
"""
try:
# Call the appropriate function based on the enhancement
return DISPATCH[enhancement]()
except KeyError:
logger.error("Unsupported enhancement given to ask(): %s", enhancement)
raise errors.Error("Unsupported Enhancement")
def redirect_by_default():
"""Determines whether the user would like to redirect to HTTPS.
:returns: True if redirect is desired, False otherwise
:rtype: bool
"""
choices = [
("No redirect", "Make no further changes to the webserver configuration."),
("Redirect", "Make all requests redirect to secure HTTPS access. "
"Choose this for new sites, or if you're confident your site works on HTTPS. "
"You can undo this change by editing your web server's configuration."),
]
code, selection = util(interfaces.IDisplay).menu(
"Please choose whether or not to redirect HTTP traffic to HTTPS, removing HTTP access.",
choices, default=0,
cli_flag="--redirect / --no-redirect", force_interactive=True)
if code != display_util.OK:
return False
return selection == 1
DISPATCH = {
"redirect": redirect_by_default
}