308 lines
11 KiB
Python
308 lines
11 KiB
Python
#!/usr/bin/python
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# Copyright: (c) 2017, Ansible Project
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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ANSIBLE_METADATA = {'metadata_version': '1.1',
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'status': ['preview'],
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'supported_by': 'community'}
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DOCUMENTATION = '''
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---
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module: cyberark_authentication
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short_description: Module for CyberArk Vault Authentication using PAS Web Services SDK
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author: Edward Nunez @ CyberArk BizDev (@enunez-cyberark, @cyberark-bizdev, @erasmix)
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version_added: 2.4
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description:
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- Authenticates to CyberArk Vault using Privileged Account Security Web Services SDK and
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creates a session fact that can be used by other modules. It returns an Ansible fact
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called I(cyberark_session). Every module can use this fact as C(cyberark_session) parameter.
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options:
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state:
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default: present
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choices: [present, absent]
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description:
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- Specifies if an authentication logon/logoff and a cyberark_session should be added/removed.
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username:
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description:
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- The name of the user who will logon to the Vault.
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password:
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description:
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- The password of the user.
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new_password:
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description:
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- The new password of the user. This parameter is optional, and enables you to change a password.
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api_base_url:
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description:
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- A string containing the base URL of the server hosting CyberArk's Privileged Account Security Web Services SDK.
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validate_certs:
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type: bool
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default: 'yes'
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description:
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- If C(false), SSL certificates will not be validated. This should only
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set to C(false) used on personally controlled sites using self-signed
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certificates.
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use_shared_logon_authentication:
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type: bool
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default: 'no'
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description:
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- Whether or not Shared Logon Authentication will be used.
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use_radius_authentication:
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type: bool
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default: 'no'
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description:
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- Whether or not users will be authenticated via a RADIUS server. Valid values are true/false.
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cyberark_session:
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description:
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- Dictionary set by a CyberArk authentication containing the different values to perform actions on a logged-on CyberArk session.
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'''
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EXAMPLES = '''
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- name: Logon to CyberArk Vault using PAS Web Services SDK - use_shared_logon_authentication
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cyberark_authentication:
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api_base_url: "{{ web_services_base_url }}"
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use_shared_logon_authentication: yes
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- name: Logon to CyberArk Vault using PAS Web Services SDK - Not use_shared_logon_authentication
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cyberark_authentication:
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api_base_url: "{{ web_services_base_url }}"
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username: "{{ password_object.password }}"
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password: "{{ password_object.passprops.username }}"
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use_shared_logon_authentication: no
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- name: Logoff from CyberArk Vault
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cyberark_authentication:
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state: absent
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cyberark_session: "{{ cyberark_session }}"
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'''
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RETURN = '''
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cyberark_session:
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description: Authentication facts.
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returned: success
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type: dict
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sample:
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api_base_url:
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description: Base URL for API calls. Returned in the cyberark_session, so it can be used in subsequent calls.
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type: string
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returned: always
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token:
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description: The token that identifies the session, encoded in BASE 64.
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type: string
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returned: always
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use_shared_logon_authentication:
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description: Whether or not Shared Logon Authentication was used to establish the session.
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type: bool
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returned: always
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validate_certs:
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description: Whether or not SSL certificates should be validated.
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type: bool
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returned: always
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'''
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from ansible.module_utils._text import to_text
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils.urls import open_url
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from ansible.module_utils.six.moves.urllib.error import HTTPError
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import json
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try:
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import httplib
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except ImportError:
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# Python 3
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import http.client as httplib
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def processAuthentication(module):
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# Getting parameters from module
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api_base_url = module.params["api_base_url"]
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validate_certs = module.params["validate_certs"]
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username = module.params["username"]
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password = module.params["password"]
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new_password = module.params["new_password"]
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use_shared_logon_authentication = module.params[
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"use_shared_logon_authentication"]
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use_radius_authentication = module.params["use_radius_authentication"]
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state = module.params["state"]
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cyberark_session = module.params["cyberark_session"]
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# if in check mode it will not perform password changes
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if module.check_mode and new_password is not None:
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new_password = None
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# Defining initial values for open_url call
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headers = {'Content-Type': 'application/json'}
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payload = ""
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if state == "present": # Logon Action
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# Different end_points based on the use of shared logon authentication
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if use_shared_logon_authentication:
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end_point = "/PasswordVault/WebServices/auth/Shared/RestfulAuthenticationService.svc/Logon"
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else:
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end_point = "/PasswordVault/WebServices/auth/Cyberark/CyberArkAuthenticationService.svc/Logon"
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# The payload will contain username, password
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# and optionally use_radius_authentication and new_password
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payload_dict = {"username": username, "password": password}
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if use_radius_authentication:
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payload_dict["useRadiusAuthentication"] = use_radius_authentication
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if new_password is not None:
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payload_dict["newPassword"] = new_password
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payload = json.dumps(payload_dict)
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else: # Logoff Action
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# Get values from cyberark_session already established
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api_base_url = cyberark_session["api_base_url"]
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validate_certs = cyberark_session["validate_certs"]
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use_shared_logon_authentication = cyberark_session[
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"use_shared_logon_authentication"]
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headers["Authorization"] = cyberark_session["token"]
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# Different end_points based on the use of shared logon authentication
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if use_shared_logon_authentication:
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end_point = "/PasswordVault/WebServices/auth/Shared/RestfulAuthenticationService.svc/Logoff"
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else:
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end_point = "/PasswordVault/WebServices/auth/Cyberark/CyberArkAuthenticationService.svc/Logoff"
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result = None
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changed = False
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response = None
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try:
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response = open_url(
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api_base_url + end_point,
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method="POST",
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headers=headers,
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data=payload,
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validate_certs=validate_certs)
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except (HTTPError, httplib.HTTPException) as http_exception:
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module.fail_json(
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msg=("Error while performing authentication."
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"Please validate parameters provided, and ability to logon to CyberArk."
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"\n*** end_point=%s%s\n ==> %s" % (api_base_url, end_point, to_text(http_exception))),
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payload=payload,
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headers=headers,
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status_code=http_exception.code)
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except Exception as unknown_exception:
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module.fail_json(
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msg=("Unknown error while performing authentication."
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"\n*** end_point=%s%s\n%s" % (api_base_url, end_point, to_text(unknown_exception))),
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payload=payload,
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headers=headers,
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status_code=-1)
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if response.getcode() == 200: # Success
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if state == "present": # Logon Action
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# Result token from REST Api uses a different key based
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# the use of shared logon authentication
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token = None
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try:
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if use_shared_logon_authentication:
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token = json.loads(response.read())["LogonResult"]
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else:
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token = json.loads(response.read())["CyberArkLogonResult"]
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except Exception as e:
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module.fail_json(
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msg="Error obtaining token\n%s" % (to_text(e)),
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payload=payload,
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headers=headers,
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status_code=-1)
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# Preparing result of the module
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result = {
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"cyberark_session": {
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"token": token, "api_base_url": api_base_url, "validate_certs": validate_certs,
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"use_shared_logon_authentication": use_shared_logon_authentication},
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}
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if new_password is not None:
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# Only marks change if new_password was received resulting
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# in a password change
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changed = True
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else: # Logoff Action clears cyberark_session
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result = {
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"cyberark_session": {}
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}
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return (changed, result, response.getcode())
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else:
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module.fail_json(
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msg="error in end_point=>" +
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end_point,
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headers=headers)
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def main():
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fields = {
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"api_base_url": {"type": "str"},
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"validate_certs": {"type": "bool",
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"default": "true"},
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"username": {"type": "str"},
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"password": {"type": "str", "no_log": True},
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"new_password": {"type": "str", "no_log": True},
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"use_shared_logon_authentication": {"default": False, "type": "bool"},
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"use_radius_authentication": {"default": False, "type": "bool"},
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"state": {"type": "str",
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"choices": ["present", "absent"],
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"default": "present"},
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"cyberark_session": {"type": "dict"},
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}
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mutually_exclusive = [
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["use_shared_logon_authentication", "use_radius_authentication"],
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["use_shared_logon_authentication", "new_password"],
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["api_base_url", "cyberark_session"],
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["cyberark_session", "username", "use_shared_logon_authentication"]
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]
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required_if = [
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("state", "present", ["api_base_url"]),
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("state", "absent", ["cyberark_session"])
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]
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required_together = [
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["username", "password"]
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]
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module = AnsibleModule(
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argument_spec=fields,
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mutually_exclusive=mutually_exclusive,
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required_if=required_if,
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required_together=required_together,
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supports_check_mode=True)
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(changed, result, status_code) = processAuthentication(module)
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module.exit_json(
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changed=changed,
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ansible_facts=result,
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status_code=status_code)
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if __name__ == '__main__':
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main()
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