~ubuntu-branches/ubuntu/raring/ansible/raring-backports

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
#!/usr/bin/python
# -*- coding: utf-8 -*-

# (c) 2013, Nimbis Services, Inc.
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
#
DOCUMENTATION = """
module: htpasswd
version_added: "1.3"
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:
    required: true
    aliases: [ dest, destfile ]
    description:
      - Path to the file that contains the usernames and passwords
  name:
    required: true
    aliases: [ username ]
    description:
      - User name to add or remove
  password:
    required: false
    description:
      - Password associated with user.
      - Must be specified if user does not exist yet
  crypt_scheme:
    required: false
    default: "apr_md5_crypt"
    description:
      - 'Encryption scheme to be used. One of: "apr_md5_crypt", "des_crypt", "ldap_sha1" or "plaintext"'
  state:
    required: false
    choices: [ present, absent ]
    default: "present"
    description:
      - Whether the user entry should be present or not
  create:
    required: false
    choices: [ "yes", "no" ]
    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)."
requires: [ passlib>=1.6 ]
author: Lorin Hochstein
"""

EXAMPLES = """
# Add a user to a password file and ensure permissions are set
- htpasswd: path=/etc/nginx/passwdfile name=janedoe password=9s36?;fyNp owner=root group=www-data mode=0640
# Remove a user from a password file
- htpasswd: path=/etc/apache2/passwdfile name=foobar state=absent
"""


import os
from distutils.version import StrictVersion

try:
    from passlib.apache import HtpasswdFile
    import passlib
except ImportError:
    passlib_installed = False
else:
    passlib_installed = True


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 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 StrictVersion(passlib.__version__) >= StrictVersion('1.6'):
            ht = HtpasswdFile(dest, new=True, default_scheme=crypt_scheme)
        else:
            ht = HtpasswdFile(dest, autoload=False, default=crypt_scheme)
        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 StrictVersion(passlib.__version__) >= StrictVersion('1.6'):
            ht = HtpasswdFile(dest, new=False, default_scheme=crypt_scheme)
        else:
            ht = HtpasswdFile(dest, default=crypt_scheme)

        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 not os.path.exists(dest):
        raise ValueError("%s does not exists" % dest)

    if StrictVersion(passlib.__version__) >= StrictVersion('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_file_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(required=True, aliases=["dest", "destfile"]),
        name=dict(required=True, aliases=["username"]),
        password=dict(required=False, default=None),
        crypt_scheme=dict(required=False, default=None),
        state=dict(required=False, default="present"),
        create=dict(type='bool', default='yes'),

    )
    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="This module requires the passlib Python library")

    try:
        if state == 'present':
            (msg, changed) = present(path, username, password, crypt_scheme, create, check_mode)
        elif state == 'absent':
            (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, e:
        module.fail_json(msg=str(e))


# this is magic, see lib/ansible/module_common.py
#<<INCLUDE_ANSIBLE_MODULE_COMMON>>

if __name__ == '__main__':
    main()