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community.general/plugins/modules/web_infrastructure/htpasswd.py
Felix Fontein a2f72be6c8
Prepare for distutils.version being removed in Python 3.12 ()
* Prepare for distutils.version being removed in Python 2.12.

* Fix copy'n'paste error.

* Re-add Loose prefix.

* Fix Python version typos.

* Improve formulation.

* Move message into own line.

* Fix casing, now that the object is no longer called Version.
2021-12-24 17:34:48 +00:00

275 lines
8.8 KiB
Python

#!/usr/bin/python
# -*- coding: utf-8 -*-
# (c) 2013, Nimbis Services, Inc.
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
from __future__ import absolute_import, division, print_function
__metaclass__ = type
DOCUMENTATION = '''
module: htpasswd
short_description: manage user files for basic authentication
description:
- Add and remove username/password entries in a password file using htpasswd.
- This is used by web servers such as Apache and Nginx for basic authentication.
options:
path:
type: path
required: true
aliases: [ dest, destfile ]
description:
- Path to the file that contains the usernames and passwords
name:
type: str
required: true
aliases: [ username ]
description:
- User name to add or remove
password:
type: str
required: false
description:
- Password associated with user.
- Must be specified if user does not exist yet.
crypt_scheme:
type: str
required: false
default: "apr_md5_crypt"
description:
- Encryption scheme to be used. As well as the four choices listed
here, you can also use any other hash supported by passlib, such as
md5_crypt and sha256_crypt, which are linux passwd hashes. If you
do so the password file will not be compatible with Apache or Nginx
- 'Some of the available choices might be: C(apr_md5_crypt), C(des_crypt), C(ldap_sha1), C(plaintext)'
state:
type: str
required: false
choices: [ present, absent ]
default: "present"
description:
- Whether the user entry should be present or not
create:
required: false
type: bool
default: "yes"
description:
- Used with C(state=present). If specified, the file will be created
if it does not already exist. If set to "no", will fail if the
file does not exist
notes:
- "This module depends on the I(passlib) Python library, which needs to be installed on all target systems."
- "On Debian, Ubuntu, or Fedora: install I(python-passlib)."
- "On RHEL or CentOS: Enable EPEL, then install I(python-passlib)."
requirements: [ passlib>=1.6 ]
author: "Ansible Core Team"
extends_documentation_fragment: files
'''
EXAMPLES = """
- name: Add a user to a password file and ensure permissions are set
community.general.htpasswd:
path: /etc/nginx/passwdfile
name: janedoe
password: '9s36?;fyNp'
owner: root
group: www-data
mode: 0640
- name: Remove a user from a password file
community.general.htpasswd:
path: /etc/apache2/passwdfile
name: foobar
state: absent
- name: Add a user to a password file suitable for use by libpam-pwdfile
community.general.htpasswd:
path: /etc/mail/passwords
name: alex
password: oedu2eGh
crypt_scheme: md5_crypt
"""
import os
import tempfile
import traceback
from ansible.module_utils.basic import AnsibleModule, missing_required_lib
from ansible.module_utils.common.text.converters import to_native
from ansible_collections.community.general.plugins.module_utils.version import LooseVersion
PASSLIB_IMP_ERR = None
try:
from passlib.apache import HtpasswdFile, htpasswd_context
from passlib.context import CryptContext
import passlib
except ImportError:
PASSLIB_IMP_ERR = traceback.format_exc()
passlib_installed = False
else:
passlib_installed = True
apache_hashes = ["apr_md5_crypt", "des_crypt", "ldap_sha1", "plaintext"]
def create_missing_directories(dest):
destpath = os.path.dirname(dest)
if not os.path.exists(destpath):
os.makedirs(destpath)
def present(dest, username, password, crypt_scheme, create, check_mode):
""" Ensures user is present
Returns (msg, changed) """
if crypt_scheme in apache_hashes:
context = htpasswd_context
else:
context = CryptContext(schemes=[crypt_scheme] + apache_hashes)
if not os.path.exists(dest):
if not create:
raise ValueError('Destination %s does not exist' % dest)
if check_mode:
return ("Create %s" % dest, True)
create_missing_directories(dest)
if LooseVersion(passlib.__version__) >= LooseVersion('1.6'):
ht = HtpasswdFile(dest, new=True, default_scheme=crypt_scheme, context=context)
else:
ht = HtpasswdFile(dest, autoload=False, default=crypt_scheme, context=context)
if getattr(ht, 'set_password', None):
ht.set_password(username, password)
else:
ht.update(username, password)
ht.save()
return ("Created %s and added %s" % (dest, username), True)
else:
if LooseVersion(passlib.__version__) >= LooseVersion('1.6'):
ht = HtpasswdFile(dest, new=False, default_scheme=crypt_scheme, context=context)
else:
ht = HtpasswdFile(dest, default=crypt_scheme, context=context)
found = None
if getattr(ht, 'check_password', None):
found = ht.check_password(username, password)
else:
found = ht.verify(username, password)
if found:
return ("%s already present" % username, False)
else:
if not check_mode:
if getattr(ht, 'set_password', None):
ht.set_password(username, password)
else:
ht.update(username, password)
ht.save()
return ("Add/update %s" % username, True)
def absent(dest, username, check_mode):
""" Ensures user is absent
Returns (msg, changed) """
if LooseVersion(passlib.__version__) >= LooseVersion('1.6'):
ht = HtpasswdFile(dest, new=False)
else:
ht = HtpasswdFile(dest)
if username not in ht.users():
return ("%s not present" % username, False)
else:
if not check_mode:
ht.delete(username)
ht.save()
return ("Remove %s" % username, True)
def check_file_attrs(module, changed, message):
file_args = module.load_file_common_arguments(module.params)
if module.set_fs_attributes_if_different(file_args, False):
if changed:
message += " and "
changed = True
message += "ownership, perms or SE linux context changed"
return message, changed
def main():
arg_spec = dict(
path=dict(type='path', required=True, aliases=["dest", "destfile"]),
name=dict(type='str', required=True, aliases=["username"]),
password=dict(type='str', required=False, default=None, no_log=True),
crypt_scheme=dict(type='str', required=False, default="apr_md5_crypt"),
state=dict(type='str', required=False, default="present", choices=["present", "absent"]),
create=dict(type='bool', default=True),
)
module = AnsibleModule(argument_spec=arg_spec,
add_file_common_args=True,
supports_check_mode=True)
path = module.params['path']
username = module.params['name']
password = module.params['password']
crypt_scheme = module.params['crypt_scheme']
state = module.params['state']
create = module.params['create']
check_mode = module.check_mode
if not passlib_installed:
module.fail_json(msg=missing_required_lib("passlib"), exception=PASSLIB_IMP_ERR)
# Check file for blank lines in effort to avoid "need more than 1 value to unpack" error.
try:
f = open(path, "r")
except IOError:
# No preexisting file to remove blank lines from
f = None
else:
try:
lines = f.readlines()
finally:
f.close()
# If the file gets edited, it returns true, so only edit the file if it has blank lines
strip = False
for line in lines:
if not line.strip():
strip = True
break
if strip:
# If check mode, create a temporary file
if check_mode:
temp = tempfile.NamedTemporaryFile()
path = temp.name
f = open(path, "w")
try:
[f.write(line) for line in lines if line.strip()]
finally:
f.close()
try:
if state == 'present':
(msg, changed) = present(path, username, password, crypt_scheme, create, check_mode)
elif state == 'absent':
if not os.path.exists(path):
module.exit_json(msg="%s not present" % username,
warnings="%s does not exist" % path, changed=False)
(msg, changed) = absent(path, username, check_mode)
else:
module.fail_json(msg="Invalid state: %s" % state)
check_file_attrs(module, changed, msg)
module.exit_json(msg=msg, changed=changed)
except Exception as e:
module.fail_json(msg=to_native(e))
if __name__ == '__main__':
main()