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certbot/letsencrypt/client/interfaces.py
James Kasten f476a49387 Fix #220
2015-02-09 14:39:49 -08:00

252 lines
7.9 KiB
Python

"""Let's Encrypt client interfaces."""
import zope.interface
# pylint: disable=no-self-argument,no-method-argument,no-init,inherit-non-class
# pylint: disable=too-few-public-methods
class IAuthenticator(zope.interface.Interface):
"""Generic Let's Encrypt Authenticator.
Class represents all possible tools processes that have the
ability to perform challenges and attain a certificate.
"""
def get_chall_pref(domain):
"""Return list of challenge preferences.
:param str domain: Domain for which challenge preferences are sought.
:returns: list of strings with the most preferred challenges first.
If a type is not specified, it means the Authenticator cannot
perform the challenge.
:rtype: list
"""
def perform(chall_list):
"""Perform the given challenge.
:param list chall_list: List of namedtuple types defined in
:mod:`letsencrypt.client.challenge_util` (``DvsniChall``, etc.).
:returns: Challenge responses or if it cannot be completed then:
``None``
Authenticator can perform challenge, but can't at this time
``False``
Authenticator will never be able to perform (error)
:rtype: :class:`list` of :class:`dict`
"""
def cleanup(chall_list):
"""Revert changes and shutdown after challenges complete."""
class IChallenge(zope.interface.Interface):
"""Let's Encrypt challenge."""
def perform():
"""Perform the challenge."""
def generate_response():
"""Generate response."""
def cleanup():
"""Cleanup."""
class IConfig(zope.interface.Interface):
"""Let's Encrypt user-supplied configuration.
.. warning:: The values stored in the configuration have not been
filtered, stripped or sanitized in any way!
"""
server = zope.interface.Attribute(
"CA hostname (and optionally :port). The server certificate must "
"be trusted in order to avoid further modifications to the client.")
rsa_key_size = zope.interface.Attribute("Size of the RSA key.")
config_dir = zope.interface.Attribute("Configuration directory.")
work_dir = zope.interface.Attribute("Working directory.")
backup_dir = zope.interface.Attribute("Configuration backups directory.")
temp_checkpoint_dir = zope.interface.Attribute(
"Temporary checkpoint directory.")
in_progress_dir = zope.interface.Attribute(
"Directory used before a permanent checkpoint is finalized.")
cert_key_backup = zope.interface.Attribute(
"Directory where all certificates and keys are stored. "
"Used for easy revocation.")
rec_token_dir = zope.interface.Attribute(
"Directory where all recovery tokens are saved.")
key_dir = zope.interface.Attribute("Keys storage.")
cert_dir = zope.interface.Attribute("Certificates storage.")
le_vhost_ext = zope.interface.Attribute(
"SSL vhost configuration extension.")
cert_path = zope.interface.Attribute("Let's Encrypt certificate file.")
chain_path = zope.interface.Attribute("Let's Encrypt chain file.")
apache_server_root = zope.interface.Attribute(
"Apache server root directory.")
apache_ctl = zope.interface.Attribute(
"Path to the 'apache2ctl' binary, used for 'configtest' and "
"retrieving Apache2 version number.")
apache_enmod = zope.interface.Attribute(
"Path to the Apache 'a2enmod' binary.")
apache_init_script = zope.interface.Attribute(
"Path to the Apache init script (used for server reload/restart).")
apache_mod_ssl_conf = zope.interface.Attribute(
"Contains standard Apache SSL directives.")
class IInstaller(zope.interface.Interface):
"""Generic Let's Encrypt Installer Interface.
Represents any server that an X509 certificate can be placed.
"""
def get_all_names():
"""Returns all names that may be authenticated."""
def deploy_cert(domain, cert, key, cert_chain=None):
"""Deploy certificate.
:param str domain: domain to deploy certificate
:param str cert: certificate filename
:param str key: private key filename
"""
def enhance(domain, enhancement, options=None):
"""Perform a configuration enhancement.
:param str domain: domain for which to provide enhancement
:param str enhancement: An enhancement as defined in
:const:`~letsencrypt.client.constants.ENHANCEMENTS`
:param options: Flexible options parameter for enhancement.
Check documentation of
:const:`~letsencrypt.client.constants.ENHANCEMENTS`
for expected options for each enhancement.
"""
def supported_enhancements():
"""Returns a list of supported enhancements.
:returns: supported enhancements which should be a subset of
:const:`~letsencrypt.client.constants.ENHANCEMENTS`
:rtype: :class:`list` of :class:`str`
"""
def get_all_certs_keys():
"""Retrieve all certs and keys set in configuration.
:returns: tuples with form `[(cert, key, path)]`, where:
- `cert` - str path to certificate file
- `key` - str path to associated key file
- `path` - file path to configuration file
:rtype: list
"""
def save(title=None, temporary=False):
"""Saves all changes to the configuration files.
Both title and temporary are needed because a save may be
intended to be permanent, but the save is not ready to be a full
checkpoint
:param str title: The title of the save. If a title is given, the
configuration will be saved as a new checkpoint and put in a
timestamped directory. `title` has no effect if temporary is true.
:param bool temporary: Indicates whether the changes made will
be quickly reversed in the future (challenges)
"""
def rollback_checkpoints(rollback=1):
"""Revert `rollback` number of configuration checkpoints."""
def view_config_changes():
"""Display all of the LE config changes."""
def config_test():
"""Make sure the configuration is valid."""
def restart():
"""Restart or refresh the server content."""
class IDisplay(zope.interface.Interface):
"""Generic display."""
def generic_notification(message):
"""Displays a string message
:param str message: Message to display
"""
def generic_menu(message, choices, input_text=""):
"""Displays a generic menu.
:param str message: message to display
:param choices: choices
:type choices: :class:`list` of :func:`tuple`
:param str input_text: instructions on how to make a selection
"""
def generic_input(message):
"""Accept input from the user."""
def generic_yesno(message, yes_label="Yes", no_label="No"):
"""A yes/no dialog."""
def filter_names(names):
"""Allow the user to select which names they would like to activate."""
def success_installation(domains):
"""Display a congratulations message for new https domains."""
def display_certs(certs):
"""Display a list of certificates."""
def confirm_revocation(cert):
"""Confirmation of revocation screen."""
def more_info_cert(cert):
"""Print out all information for a given certificate dict."""
def redirect_by_default():
"""Ask the user whether they would like to redirect to HTTPS."""
class IValidator(zope.interface.Interface):
"""Configuration validator."""
def redirect(name):
"""Verify redirect to HTTPS."""
def ocsp_stapling(name):
"""Verify ocsp stapling for domain."""
def https(names):
"""Verify HTTPS is enabled for domain."""
def hsts(name):
"""Verify HSTS header is enabled."""