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: __init__.py

"""Certbot command line argument & config processing."""
# pylint: disable=too-many-lines
import argparse
import logging
import logging.handlers
import sys
from typing import Any
from typing import List
from typing import Optional
from typing import Type

import certbot
from certbot.configuration import NamespaceConfig
from certbot._internal import constants
from certbot._internal.cli.cli_constants import ARGPARSE_PARAMS_TO_REMOVE
from certbot._internal.cli.cli_constants import cli_command
from certbot._internal.cli.cli_constants import COMMAND_OVERVIEW
from certbot._internal.cli.cli_constants import DEPRECATED_OPTIONS
from certbot._internal.cli.cli_constants import EXIT_ACTIONS
from certbot._internal.cli.cli_constants import HELP_AND_VERSION_USAGE
from certbot._internal.cli.cli_constants import SHORT_USAGE
from certbot._internal.cli.cli_constants import VAR_MODIFIERS
from certbot._internal.cli.cli_constants import ZERO_ARG_ACTIONS
from certbot._internal.cli.cli_utils import _DeployHookAction
from certbot._internal.cli.cli_utils import _DomainsAction
from certbot._internal.cli.cli_utils import _EncodeReasonAction
from certbot._internal.cli.cli_utils import _PrefChallAction
from certbot._internal.cli.cli_utils import _RenewHookAction
from certbot._internal.cli.cli_utils import _user_agent_comment_type
from certbot._internal.cli.cli_utils import add_domains
from certbot._internal.cli.cli_utils import CaseInsensitiveList
from certbot._internal.cli.cli_utils import config_help
from certbot._internal.cli.cli_utils import CustomHelpFormatter
from certbot._internal.cli.cli_utils import flag_default
from certbot._internal.cli.cli_utils import HelpfulArgumentGroup
from certbot._internal.cli.cli_utils import nonnegative_int
from certbot._internal.cli.cli_utils import parse_preferred_challenges
from certbot._internal.cli.cli_utils import read_file
from certbot._internal.cli.cli_utils import set_test_server_options
from certbot._internal.cli.group_adder import _add_all_groups
from certbot._internal.cli.helpful import HelpfulArgumentParser
from certbot._internal.cli.paths_parser import _paths_parser
from certbot._internal.cli.plugins_parsing import _plugins_parsing
from certbot._internal.cli.subparsers import _create_subparsers
from certbot._internal.cli.verb_help import VERB_HELP
from certbot._internal.cli.verb_help import VERB_HELP_MAP
from certbot._internal.plugins import disco as plugins_disco
import certbot._internal.plugins.selection as plugin_selection
from certbot.plugins import enhancements

logger = logging.getLogger(__name__)

# Global, to save us from a lot of argument passing within the scope of this module
helpful_parser: Optional[HelpfulArgumentParser] = None

def prepare_and_parse_args(plugins: plugins_disco.PluginsRegistry, args: List[str]
                           ) -> NamespaceConfig:
    """Returns parsed command line arguments.

:param .PluginsRegistry plugins: available plugins
    :param list args: command line arguments with the program name removed

:returns: parsed command line arguments
    :rtype: configuration.NamespaceConfig

"""

helpful = HelpfulArgumentParser(args, plugins)
    _add_all_groups(helpful)

# --help is automatically provided by argparse
    helpful.add(
        None, "-v", "--verbose", dest="verbose_count", action="count",
        default=flag_default("verbose_count"), help="This flag can be used "
        "multiple times to incrementally increase the verbosity of output, "
        "e.g. -vvv.")
    # This is for developers to set the level in the cli.ini, and overrides
    # the --verbose flag
    helpful.add(
        None, "--verbose-level", dest="verbose_level",
        default=flag_default("verbose_level"), help=argparse.SUPPRESS)
    helpful.add(
        None, "-t", "--text", dest="text_mode", action="store_true",
        default=flag_default("text_mode"), help=argparse.SUPPRESS)
    helpful.add(
        None, "--max-log-backups", type=nonnegative_int,
        default=flag_default("max_log_backups"),
        help="Specifies the maximum number of backup logs that should "
             "be kept by Certbot's built in log rotation. Setting this "
             "flag to 0 disables log rotation entirely, causing "
             "Certbot to always append to the same log file.")
    helpful.add(
        None, "--preconfigured-renewal", dest="preconfigured_renewal",
        action="store_true", default=flag_default("preconfigured_renewal"),
        help=argparse.SUPPRESS
    )
    helpful.add(
        [None, "automation", "run", "certonly", "enhance"],
        "-n", "--non-interactive", "--noninteractive",
        dest="noninteractive_mode", action="store_true",
        default=flag_default("noninteractive_mode"),
        help="Run without ever asking for user input. This may require "
              "additional command line flags; the client will try to explain "
              "which ones are required if it finds one missing")
    helpful.add(
        [None, "register", "run", "certonly", "enhance"],
        constants.FORCE_INTERACTIVE_FLAG, action="store_true",
        default=flag_default("force_interactive"),
        help="Force Certbot to be interactive even if it detects it's not "
             "being run in a terminal. This flag cannot be used with the "
             "renew subcommand.")
    helpful.add(
        [None, "run", "certonly", "certificates", "enhance"],
        "-d", "--domains", "--domain", dest="domains",
        metavar="DOMAIN", action=_DomainsAction,
        default=flag_default("domains"),
        help="Domain names to include. For multiple domains you can use multiple -d flags "
             "or enter a comma separated list of domains as a parameter. All domains will "
             "be included as Subject Alternative Names on the certificate. The first domain "
             "will be used as the certificate name, unless otherwise specified or if you "
             "already have a certificate with the same name. In the case of a name conflict, "
             "a number like -0001 will be appended to the certificate name. (default: Ask)")
    helpful.add(
        [None, "run", "certonly", "register"],
        "--eab-kid", dest="eab_kid",
        metavar="EAB_KID",
        help="Key Identifier for External Account Binding"
    )
    helpful.add(
        [None, "run", "certonly", "register"],
        "--eab-hmac-key", dest="eab_hmac_key",
        metavar="EAB_HMAC_KEY",
        help="HMAC key for External Account Binding"
    )
    helpful.add(
        [None, "run", "certonly", "manage", "delete", "certificates",
         "renew", "enhance", "reconfigure"], "--cert-name", dest="certname",
        metavar="CERTNAME", default=flag_default("certname"),
        help="Certificate name to apply. This name is used by Certbot for housekeeping "
             "and in file paths; it doesn't affect the content of the certificate itself. "
             "Certificate name cannot contain filepath separators (i.e. '/' or '\\', depending "
             "on the platform). "
             "To see certificate names, run 'certbot certificates'. "
             "When creating a new certificate, specifies the new certificate's name. "
             "(default: the first provided domain or the name of an existing "
             "certificate on your system for the same domains)")
    helpful.add(
        [None, "testing", "renew", "certonly"],
        "--dry-run", action="store_true", dest="dry_run",
        default=flag_default("dry_run"),
        help="Perform a test run against the Let's Encrypt staging server, obtaining test"
             " (invalid) certificates but not saving them to disk. This can only be used with the"
             " 'certonly' and 'renew' subcommands. It may trigger webserver reloads to "
             " temporarily modify & roll back configuration files."
             " --pre-hook and --post-hook commands run by default."
             " --deploy-hook commands do not run, unless enabled by --run-deploy-hooks."
             " The test server may be overridden with --server.")
    helpful.add(
        ["testing", "renew", "certonly", "reconfigure"],
        "--run-deploy-hooks", action="store_true", dest="run_deploy_hooks",
        default=flag_default("run_deploy_hooks"),
        help="When performing a test run using `--dry-run` or `reconfigure`, run any applicable"
             " deploy hooks. This includes hooks set on the command line, saved in the"
             " certificate's renewal configuration file, or present in the renewal-hooks directory."
             " To exclude directory hooks, use --no-directory-hooks. The hook(s) will only"
             " be run if the dry run succeeds, and will use the current active certificate, not"
             " the temporary test certificate acquired during the dry run. This flag is recommended"
             " when modifying the deploy hook using `reconfigure`.")
    helpful.add(
        ["register", "automation"], "--register-unsafely-without-email", action="store_true",
        default=flag_default("register_unsafely_without_email"),
        help="Specifying this flag enables registering an account with no "
             "email address. This is strongly discouraged, because you will be "
             "unable to receive notice about impending expiration or "
             "revocation of your certificates or problems with your Certbot "
             "installation that will lead to failure to renew.")
    helpful.add(
        ["register", "update_account", "unregister", "automation"], "-m", "--email",
        default=flag_default("email"),
        help=config_help("email"))
    helpful.add(["register", "update_account", "automation"], "--eff-email", action="store_true",
                default=flag_default("eff_email"), dest="eff_email",
                help="Share your e-mail address with EFF")
    helpful.add(["register", "update_account", "automation"], "--no-eff-email",
                action="store_false", default=flag_default("eff_email"), dest="eff_email",
                help="Don't share your e-mail address with EFF")
    helpful.add(
        ["automation", "certonly", "run"],
        "--keep-until-expiring", "--keep", "--reinstall",
        dest="reinstall", action="store_true", default=flag_default("reinstall"),
        help="If the requested certificate matches an existing certificate, always keep the "
             "existing one until it is due for renewal (for the "
             "'run' subcommand this means reinstall the existing certificate). (default: Ask)")
    helpful.add(
        "automation", "--expand", action="store_true", default=flag_default("expand"),
        help="If an existing certificate is a strict subset of the requested names, "
             "always expand and replace it with the additional names. (default: Ask)")
    helpful.add(
        "automation", "--version", action="version",
        version="%(prog)s {0}".format(certbot.__version__),
        help="show program's version number and exit")
    helpful.add(
        ["automation", "renew"],
        "--force-renewal", "--renew-by-default", dest="renew_by_default",
        action="store_true", default=flag_default("renew_by_default"),
        help="If a certificate "
             "already exists for the requested domains, renew it now, "
             "regardless of whether it is near expiry. (Often "
             "--keep-until-expiring is more appropriate). Also implies "
             "--expand.")
    helpful.add(
        "automation", "--renew-with-new-domains", dest="renew_with_new_domains",
        action="store_true", default=flag_default("renew_with_new_domains"),
        help="If a "
             "certificate already exists for the requested certificate name "
             "but does not match the requested domains, renew it now, "
             "regardless of whether it is near expiry.")
    helpful.add(
        "automation", "--reuse-key", dest="reuse_key",
        action="store_true", default=flag_default("reuse_key"),
        help="When renewing, use the same private key as the existing "
             "certificate.")
    helpful.add(
        "automation", "--no-reuse-key", dest="reuse_key",
        action="store_false", default=flag_default("reuse_key"),
        help="When renewing, do not use the same private key as the existing "
             "certificate. Not reusing private keys is the default behavior of "
             "Certbot. This option may be used to unset --reuse-key on an "
             "existing certificate.")
    helpful.add(
        "automation", "--new-key",
        dest="new_key", action="store_true", default=flag_default("new_key"),
        help="When renewing or replacing a certificate, generate a new private key, "
             "even if --reuse-key is set on the existing certificate. Combining "
             "--new-key and --reuse-key will result in the private key being replaced and "
             "then reused in future renewals.")

helpful.add(
        ["automation", "renew", "certonly"],
        "--allow-subset-of-names", action="store_true",
        default=flag_default("allow_subset_of_names"),
        help="When performing domain validation, do not consider it a failure "
             "if authorizations can not be obtained for a strict subset of "
             "the requested domains. This may be useful for allowing renewals for "
             "multiple domains to succeed even if some domains no longer point "
             "at this system. This option cannot be used with --csr.")
    helpful.add(
        "automation", "--agree-tos", dest="tos", action="store_true",
        default=flag_default("tos"),
        help="Agree to the ACME Subscriber Agreement (default: Ask)")
    helpful.add(
        ["unregister", "automation"], "--account", metavar="ACCOUNT_ID",
        default=flag_default("account"),
        help="Account ID to use")
    helpful.add(
        "automation", "--duplicate", dest="duplicate", action="store_true",
        default=flag_default("duplicate"),
        help="Allow making a certificate lineage that duplicates an existing one "
             "(both can be renewed in parallel)")
    helpful.add(
        ["automation", "renew", "certonly", "run"],
        "-q", "--quiet", dest="quiet", action="store_true",
        default=flag_default("quiet"),
        help="Silence all output except errors. Useful for automation via cron."
             " Implies --non-interactive.")
    # overwrites server, handled in HelpfulArgumentParser.parse_args()
    helpful.add(["testing", "revoke", "run"], "--test-cert", "--staging",
        dest="staging", action="store_true", default=flag_default("staging"),
        help="Use the Let's Encrypt staging server to obtain or revoke test (invalid) "
             "certificates; equivalent to --server " + constants.STAGING_URI)
    helpful.add(
        "testing", "--debug", action="store_true", default=flag_default("debug"),
        help="Show tracebacks in case of errors")
    helpful.add(
        [None, "certonly", "run"], "--debug-challenges", action="store_true",
        default=flag_default("debug_challenges"),
        help="After setting up challenges, wait for user input before "
             "submitting to CA. When used in combination with the `-v` "
             "option, the challenge URLs or FQDNs and their expected "
             "return values are shown.")
    helpful.add(
        "testing", "--no-verify-ssl", action="store_true",
        help=config_help("no_verify_ssl"),
        default=flag_default("no_verify_ssl"))
    helpful.add(
        ["testing", "standalone", "manual"], "--http-01-port", type=int,
        dest="http01_port",
        default=flag_default("http01_port"), help=config_help("http01_port"))
    helpful.add(
        ["testing", "standalone"], "--http-01-address",
        dest="http01_address",
        default=flag_default("http01_address"), help=config_help("http01_address"))
    helpful.add(
        ["testing", "nginx"], "--https-port", type=int,
        default=flag_default("https_port"),
        help=config_help("https_port"))
    helpful.add(
        "testing", "--break-my-certs", action="store_true",
        default=flag_default("break_my_certs"),
        help="Be willing to replace or renew valid certificates with invalid "
             "(testing/staging) certificates")
    helpful.add(
        "security", "--rsa-key-size", type=int, metavar="N",
        default=flag_default("rsa_key_size"), help=config_help("rsa_key_size"))
    helpful.add(
        "security", "--key-type", choices=['rsa', 'ecdsa'], type=str,
        default=flag_default("key_type"), help=config_help("key_type"))
    helpful.add(
        "security", "--elliptic-curve", type=str, choices=[
            'secp256r1',
            'secp384r1',
            'secp521r1',
        ], metavar="N",
        default=flag_default("elliptic_curve"), help=config_help("elliptic_curve"))
    helpful.add(
        "security", "--must-staple", action="store_true",
        dest="must_staple", default=flag_default("must_staple"),
        help=config_help("must_staple"))
    helpful.add(
        ["security", "enhance"],
        "--redirect", action="store_true", dest="redirect",
        default=flag_default("redirect"),
        help="Automatically redirect all HTTP traffic to HTTPS for the newly "
             "authenticated vhost. (default: redirect enabled for install and run, "
             "disabled for enhance)")
    helpful.add(
        "security", "--no-redirect", action="store_false", dest="redirect",
        default=flag_default("redirect"),
        help="Do not automatically redirect all HTTP traffic to HTTPS for the newly "
             "authenticated vhost. (default: redirect enabled for install and run, "
             "disabled for enhance)")
    helpful.add(
        ["security", "enhance"],
        "--hsts", action="store_true", dest="hsts", default=flag_default("hsts"),
        help="Add the Strict-Transport-Security header to every HTTP response."
             " Forcing browser to always use SSL for the domain."
             " Defends against SSL Stripping.")
    helpful.add(
        "security", "--no-hsts", action="store_false", dest="hsts",
        default=flag_default("hsts"), help=argparse.SUPPRESS)
    helpful.add(
        ["security", "enhance"],
        "--uir", action="store_true", dest="uir", default=flag_default("uir"),
        help='Add the "Content-Security-Policy: upgrade-insecure-requests"'
             ' header to every HTTP response. Forcing the browser to use'
             ' https:// for every http:// resource.')
    helpful.add(
        "security", "--no-uir", action="store_false", dest="uir", default=flag_default("uir"),
        help=argparse.SUPPRESS)
    helpful.add(
        "security", "--staple-ocsp", action="store_true", dest="staple",
        default=flag_default("staple"),
        help="Enables OCSP Stapling. A valid OCSP response is stapled to"
        " the certificate that the server offers during TLS.")
    helpful.add(
        "security", "--no-staple-ocsp", action="store_false", dest="staple",
        default=flag_default("staple"), help=argparse.SUPPRESS)
    helpful.add(
        "security", "--strict-permissions", action="store_true",
        default=flag_default("strict_permissions"),
        help="Require that all configuration files are owned by the current "
             "user; only needed if your config is somewhere unsafe like /tmp/")
    helpful.add(
        [None, "certonly", "renew", "run"],
        "--preferred-chain", dest="preferred_chain",
        default=flag_default("preferred_chain"), help=config_help("preferred_chain")
    )
    helpful.add(
        ["manual", "standalone", "certonly", "renew"],
        "--preferred-challenges", dest="pref_challs",
        action=_PrefChallAction, default=flag_default("pref_challs"),
        help='A sorted, comma delimited list of the preferred challenge to '
             'use during authorization with the most preferred challenge '
             'listed first (Eg, "dns" or "http,dns"). '
             'Not all plugins support all challenges. See '
             'https://certbot.eff.org/docs/using.html#plugins for details. '
             'ACME Challenges are versioned, but if you pick "http" rather '
             'than "http-01", Certbot will select the latest version '
             'automatically.')
    helpful.add(
        [None, "certonly", "run"], "--issuance-timeout", type=nonnegative_int,
        dest="issuance_timeout",
        default=flag_default("issuance_timeout"),
        help=config_help("issuance_timeout"))
    helpful.add(
        ["renew", "reconfigure"], "--pre-hook",
        help="Command to be run in a shell before obtaining any certificates."
        " Unless --disable-hook-validation is used, the command’s first word"
        " must be the absolute pathname of an executable or one found via the"
        " PATH environment variable."
        " Intended primarily for renewal, where it can be used to temporarily"
        " shut down a webserver that might conflict with the standalone"
        " plugin. This will only be called if a certificate is actually to be"
        " obtained/renewed. When renewing several certificates that have"
        " identical pre-hooks, only the first will be executed.")
    helpful.add(
        ["renew", "reconfigure"], "--post-hook",
        help="Command to be run in a shell after attempting to obtain/renew"
        " certificates."
        " Unless --disable-hook-validation is used, the command’s first word"
        " must be the absolute pathname of an executable or one found via the"
        " PATH environment variable."
        " Can be used to deploy renewed certificates, or to"
        " restart any servers that were stopped by --pre-hook. This is only"
        " run if an attempt was made to obtain/renew a certificate. If"
        " multiple renewed certificates have identical post-hooks, only"
        " one will be run.")
    helpful.add(["renew", "reconfigure"], "--renew-hook",
                action=_RenewHookAction, help=argparse.SUPPRESS)
    helpful.add(
        "renew", "--no-random-sleep-on-renew", action="store_false",
        default=flag_default("random_sleep_on_renew"), dest="random_sleep_on_renew",
        help=argparse.SUPPRESS)
    helpful.add(
        ["renew", "reconfigure"], "--deploy-hook", action=_DeployHookAction,
        help='Command to be run in a shell once for each successfully'
        ' issued certificate.'
        ' Unless --disable-hook-validation is used, the command’s first word'
        ' must be the absolute pathname of an executable or one found via the'
        ' PATH environment variable.'
        ' For this command, the shell variable'
        ' $RENEWED_LINEAGE will point to the config live subdirectory'
        ' (for example, "/etc/letsencrypt/live/example.com") containing'
        ' the new certificates and keys; the shell variable'
        ' $RENEWED_DOMAINS will contain a space-delimited list of'
        ' renewed certificate domains (for example, "example.com'
        ' www.example.com")')
    helpful.add(
        "renew", "--disable-hook-validation",
        action="store_false", dest="validate_hooks",
        default=flag_default("validate_hooks"),
        help="Ordinarily the commands specified for"
        " --pre-hook/--post-hook/--deploy-hook will be checked for"
        " validity, to see if the programs being run are in the $PATH,"
        " so that mistakes can be caught early, even when the hooks"
        " aren't being run just yet. The validation is rather"
        " simplistic and fails if you use more advanced shell"
        " constructs, so you can use this switch to disable it."
        " (default: False)")
    helpful.add(
        "renew", "--no-directory-hooks", action="store_false",
        default=flag_default("directory_hooks"), dest="directory_hooks",
        help="Disable running executables found in Certbot's hook directories"
        " during renewal. (default: False)")
    helpful.add(
        "renew", "--disable-renew-updates", action="store_true",
        default=flag_default("disable_renew_updates"), dest="disable_renew_updates",
        help="Disable automatic updates to your server configuration that"
        " would otherwise be done by the selected installer plugin, and triggered"
        " when the user executes \"certbot renew\", regardless of if the certificate"
        " is renewed. This setting does not apply to important TLS configuration"
        " updates.")
    helpful.add(
        "renew", "--no-autorenew", action="store_false",
        default=flag_default("autorenew"), dest="autorenew",
        help="Disable auto renewal of certificates. (default: False)")

# Deprecated arguments
    helpful.add_deprecated_argument("--os-packages-only", 0)
    helpful.add_deprecated_argument("--no-self-upgrade", 0)
    helpful.add_deprecated_argument("--no-bootstrap", 0)
    helpful.add_deprecated_argument("--no-permissions-check", 0)

# Populate the command line parameters for new style enhancements
    enhancements.populate_cli(helpful.add)

_create_subparsers(helpful)
    _paths_parser(helpful)
    # _plugins_parsing should be the last thing to act upon the main
    # parser (--help should display plugin-specific options last)
    _plugins_parsing(helpful, plugins)

global helpful_parser # pylint: disable=global-statement
    helpful_parser = helpful
    return helpful.parse_args()

def argparse_type(variable: Any) -> Type:
    """Return our argparse type function for a config variable (default: str)"""
    # pylint: disable=protected-access
    if helpful_parser is not None:
        for action in helpful_parser.actions:
            if action.type is not None and action.dest == variable:
                return action.type
    return str

NAME	TYPE	LAST MODIFIED	SIZE	OWNER / GROUP	PERMISSIONS	ACTION
..
__init__.py	f!le	2025-03-26 22:15	25.32 KB	root / root	-rw-r--r--
cli_constants.py	f!le	2025-03-26 22:15	3.93 KB	root / root	-rw-r--r--
cli_utils.py	f!le	2025-03-26 22:15	11.02 KB	root / root	-rw-r--r--
group_adder.py	f!le	2025-03-26 22:15	1.05 KB	root / root	-rw-r--r--
helpful.py	f!le	2025-03-26 22:15	22.12 KB	root / root	-rw-r--r--
paths_parser.py	f!le	2025-03-26 22:15	2.01 KB	root / root	-rw-r--r--
plugins_parsing.py	f!le	2025-03-26 22:15	6.06 KB	root / root	-rw-r--r--
subparsers.py	f!le	2025-03-26 22:15	4.06 KB	root / root	-rw-r--r--
verb_help.py	f!le	2025-03-26 22:15	5.1 KB	root / root	-rw-r--r--

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