Source code for privacyidea.lib.eventhandler.tokenhandler

# -*- coding: utf-8 -*-
#
#  2018-06-11 Cornelius Kölbel <cornelius.koelbel@netknights.it>
#             Add dynamic email
#  2018-04-14 Paul Lettich <paul.lettich@netknights.it>
#             Add "delete tokeninfo" action
#  2017-07-18 Cornelius Kölbel <cornelius.koelbel@netknights.it>
#             Allow setting time with timedelta
#  2017-01-21 Cornelius Kölbel <cornelius.koelbel@netknights.it>
#             Add required mobile number and email address when enrolling tokens
#             added with the help of splashx
#  2016-11-14 Cornelius Kölbel <cornelius.koelbel@netknights.it>
#             Initial writup
#
# License:  AGPLv3
# (c) 2016. Cornelius Kölbel
#
# This code is free software; you can redistribute it and/or
# modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
# License as published by the Free Software Foundation; either
# version 3 of the License, or any later version.
#
# This code 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 AFFERO GENERAL PUBLIC LICENSE for more details.
#
# You should have received a copy of the GNU Affero General Public
# License along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
#
__doc__ = """This is the event handler module for token actions.
You can attach token actions like enable, disable, delete, unassign,... of the

 * current token
 * all the user's tokens
 * all unassigned tokens
 * all disabled tokens
 * ...
"""
from privacyidea.lib.eventhandler.base import BaseEventHandler
from privacyidea.lib.token import (get_token_types, set_validity_period_end,
                                   set_validity_period_start, set_pin)
from privacyidea.lib.crypto import generate_password
from privacyidea.lib.realm import get_realms
from privacyidea.lib.token import (set_realms, remove_token, enable_token,
                                   unassign_token, init_token, set_description,
                                   set_count_window, add_tokeninfo,
                                   set_failcounter, delete_tokeninfo,
                                   get_one_token, set_max_failcount)
from privacyidea.lib.utils import (parse_date, is_true,
                                   parse_time_offset_from_now)
from privacyidea.lib.tokenclass import DATE_FORMAT, AUTH_DATE_FORMAT
from privacyidea.lib.smtpserver import get_smtpservers
from privacyidea.lib.smsprovider.SMSProvider import get_smsgateway
from privacyidea.lib import _
import logging
import datetime
import yaml
import json
from dateutil.tz import tzlocal

log = logging.getLogger(__name__)


[docs]class ACTION_TYPE(object): """ Allowed actions """ SET_TOKENREALM = "set tokenrealm" DELETE = "delete" UNASSIGN = "unassign" DISABLE = "disable" ENABLE = "enable" INIT = "enroll" SET_DESCRIPTION = "set description" SET_VALIDITY = "set validity" SET_COUNTWINDOW = "set countwindow" SET_TOKENINFO = "set tokeninfo" SET_FAILCOUNTER = "set failcounter" SET_MAXFAIL = "set max failcount" CHANGE_FAILCOUNTER = "change failcounter" DELETE_TOKENINFO = "delete tokeninfo" SET_RANDOM_PIN = "set random pin"
[docs]class VALIDITY(object): """ Allowed validity options """ START = "valid from" END = "valid till"
[docs]class TokenEventHandler(BaseEventHandler): """ An Eventhandler needs to return a list of actions, which it can handle. It also returns a list of allowed action and conditions It returns an identifier, which can be used in the eventhandlig definitions """ identifier = "Token" description = "This event handler can trigger new actions on tokens." @property def allowed_positions(cls): """ This returns the allowed positions of the event handler definition. :return: list of allowed positions """ return ["post", "pre"] @property def actions(cls): """ This method returns a dictionary of allowed actions and possible options in this handler module. :return: dict with actions """ realm_list = list(get_realms()) actions = {ACTION_TYPE.SET_TOKENREALM: {"realm": {"type": "str", "required": True, "description": _("set a new realm of the token"), "value": realm_list}, "only_realm": {"type": "bool", "description": _("The new realm will be the only " "realm of the token. I.e. all " "other realms will be removed " "from this token. Otherwise the " "realm will be added to the token.") } }, ACTION_TYPE.DELETE: {}, ACTION_TYPE.UNASSIGN: {}, ACTION_TYPE.DISABLE: {}, ACTION_TYPE.ENABLE: {}, ACTION_TYPE.SET_RANDOM_PIN: { "length": {"type": "int", "required": True, "description": _("set the PIN of the token to a random PIN of this length."), "value": list(range(1,32))} }, ACTION_TYPE.INIT: {"tokentype": {"type": "str", "required": True, "description": _("Token type to create"), "value": get_token_types() }, "user": {"type": "bool", "description": _("Assign token to user in " "request or to tokenowner.")}, "realm": {"type": "str", "required": False, "description": _("Set the realm of the newly " "created token."), "value": realm_list}, "dynamic_phone": { "type": "bool", "visibleIf": "tokentype", "visibleValue": "sms", "description": _("Dynamically read the mobile number " "from the user store.") }, "dynamic_email": { "type": "bool", "visibleIf": "tokentype", "visibleValue": "email", "description": _("Dynamically read the email address " "from the user store.") }, "smtp_identifier": { "type": "str", "visibleIf": "tokentype", "visibleValue": "email", "description": _("Use a specific SMTP server configuration for this token."), "value": [server.config.identifier for server in get_smtpservers()] }, "sms_identifier": { "type": "str", "visibleIf": "tokentype", "visibleValue": "sms", "description": _("Use a specific SMS gateway configuration for this token."), "value": [gateway.identifier for gateway in get_smsgateway()] }, "additional_params": { "type": "str", "description": _("A dictionary of additional init parameters.") }, "motppin": { "type": "str", "visibleIf": "tokentype", "visibleValue": "motp", "description": _("Set the MOTP PIN of the MOTP " "token during enrollment. This " "is a required value for " "enrolling MOTP tokens.")} }, ACTION_TYPE.SET_DESCRIPTION: {"description": { "type": "str", "description": _("The new description of the " "token.") } }, ACTION_TYPE.SET_VALIDITY: {VALIDITY.START: { "type": "str", "description": _("The token will be valid starting " "at the given date. Can be a fixed " "date or an offset like +10m, " "+24h, +7d.") }, VALIDITY.END: { "type": "str", "description": _("The token will be valid until " "the given date. Can be a fixed " "date or an offset like +10m, " "+24h, +7d.") } }, ACTION_TYPE.SET_COUNTWINDOW: {"count window": { # TODO: should be "int" but we do not support # this at the moment. "type": "str", "required": True, "description": _("Set the new count window of " "the token.") } }, ACTION_TYPE.SET_FAILCOUNTER: { "fail counter": { "type": "str", "required": True, "description": _("Set the failcounter of " "the token.") } }, ACTION_TYPE.CHANGE_FAILCOUNTER: { "change fail counter": { "type": "str", "required": True, "description": _("Increase or decrease the fail counter of the token. " "Values of +n, -n with n being an integer are accepted.") } }, ACTION_TYPE.SET_MAXFAIL: { "max failcount": { "type": "str", "required": True, "description": _("Set the maximum failcounter of the token.") } }, ACTION_TYPE.SET_TOKENINFO: {"key": { "type": "str", "required": True, "description": _("Set this tokeninfo key.") }, "value": { "type": "str", "description": _("Set the above key the this " "value.") } }, ACTION_TYPE.DELETE_TOKENINFO: {"key": { "type": "str", "required": True, "description": _("Delete this tokeninfo key.") } } } return actions
[docs] def do(self, action, options=None): """ This method executes the defined action in the given event. :param action: :param options: Contains the flask parameters g, request, response and the handler_def configuration :type options: dict :return: """ ret = True g = options.get("g") request = options.get("request") response = options.get("response") content = self._get_response_content(response) handler_def = options.get("handler_def") handler_options = handler_def.get("options", {}) serial = request.all_data.get("serial") or \ content.get("detail", {}).get("serial") or \ g.audit_object.audit_data.get("serial") if action.lower() in [ACTION_TYPE.SET_TOKENREALM, ACTION_TYPE.SET_DESCRIPTION, ACTION_TYPE.DELETE, ACTION_TYPE.DISABLE, ACTION_TYPE.ENABLE, ACTION_TYPE.UNASSIGN, ACTION_TYPE.SET_VALIDITY, ACTION_TYPE.SET_COUNTWINDOW, ACTION_TYPE.SET_TOKENINFO, ACTION_TYPE.SET_FAILCOUNTER, ACTION_TYPE.SET_MAXFAIL, ACTION_TYPE.CHANGE_FAILCOUNTER, ACTION_TYPE.SET_RANDOM_PIN, ACTION_TYPE.DELETE_TOKENINFO]: if serial: if ',' in serial: serials = [t.strip() for t in serial.split(',')] else: serials = [serial] for serial in serials: log.info("{0!s} for token {1!s}".format(action, serial)) if action.lower() == ACTION_TYPE.SET_TOKENREALM: realm = handler_options.get("realm") only_realm = is_true(handler_options.get("only_realm")) # Set the realm.. log.info("Setting realm of token {0!s} to {1!s}".format( serial, realm)) # Add the token realm set_realms(serial, [realm], add=not only_realm) elif action.lower() == ACTION_TYPE.SET_RANDOM_PIN: # If for any reason we have no value, we default to 6 length = int(handler_options.get("length") or 6) pin = generate_password(size=length) if set_pin(serial, pin): content.setdefault("detail", {})["pin"] = pin options.get("response").data = json.dumps(content) elif action.lower() == ACTION_TYPE.DELETE: remove_token(serial=serial) elif action.lower() == ACTION_TYPE.DISABLE: enable_token(serial, enable=False) elif action.lower() == ACTION_TYPE.ENABLE: enable_token(serial, enable=True) elif action.lower() == ACTION_TYPE.UNASSIGN: unassign_token(serial) elif action.lower() == ACTION_TYPE.SET_DESCRIPTION: description = handler_options.get("description") or "" description, td = parse_time_offset_from_now(description) s_now = (datetime.datetime.now(tzlocal()) + td).strftime( AUTH_DATE_FORMAT) set_description(serial, description.format( current_time=s_now, now=s_now, client_ip=g.client_ip, ua_browser=request.user_agent.browser, ua_string=request.user_agent.string)) elif action.lower() == ACTION_TYPE.SET_COUNTWINDOW: set_count_window(serial, int(handler_options.get("count window", 50))) elif action.lower() == ACTION_TYPE.SET_TOKENINFO: tokeninfo = handler_options.get("value") or "" tokeninfo, td = parse_time_offset_from_now(tokeninfo) s_now = (datetime.datetime.now(tzlocal()) + td).strftime( AUTH_DATE_FORMAT) try: username = request.User.loginname realm = request.User.realm except Exception: username = "N/A" realm = "N/A" add_tokeninfo(serial, handler_options.get("key"), tokeninfo.format( current_time=s_now, now=s_now, client_ip=g.client_ip, username=username, realm=realm, ua_browser=request.user_agent.browser, ua_string=request.user_agent.string)) elif action.lower() == ACTION_TYPE.DELETE_TOKENINFO: delete_tokeninfo(serial, handler_options.get("key")) elif action.lower() == ACTION_TYPE.SET_VALIDITY: start_date = handler_options.get(VALIDITY.START) end_date = handler_options.get(VALIDITY.END) if start_date: d = parse_date(start_date) set_validity_period_start(serial, None, d.strftime(DATE_FORMAT)) if end_date: d = parse_date(end_date) set_validity_period_end(serial, None, d.strftime(DATE_FORMAT)) elif action.lower() == ACTION_TYPE.SET_FAILCOUNTER: try: set_failcounter(serial, int(handler_options.get("fail counter"))) except Exception as exx: log.warning("Misconfiguration: Failed to set fail " "counter!") elif action.lower() == ACTION_TYPE.SET_MAXFAIL: try: set_max_failcount(serial, int(handler_options.get("max failcount"))) except Exception as exx: log.warning("Misconfiguration: Failed to set max failcount!") elif action.lower() == ACTION_TYPE.CHANGE_FAILCOUNTER: try: token_obj = get_one_token(serial=serial) token_obj.set_failcount( token_obj.token.failcount + int(handler_options.get("change fail counter"))) except Exception as exx: log.warning("Misconfiguration: Failed to increase or decrease fail " "counter!") else: log.info("Action {0!s} requires serial number. But no serial " "number could be found in request.") if action.lower() == ACTION_TYPE.INIT: log.info("Initializing new token") init_param = {"type": handler_options.get("tokentype"), "genkey": 1, "realm": handler_options.get("realm", "")} user = None if is_true(handler_options.get("user")): user = self._get_tokenowner(request) tokentype = handler_options.get("tokentype") # Some tokentypes need additional parameters if handler_options.get("additional_params"): add_params = yaml.safe_load(handler_options.get("additional_params")) if type(add_params) == dict: init_param.update(add_params) if tokentype == "sms": if handler_options.get("dynamic_phone"): init_param["dynamic_phone"] = 1 else: init_param['phone'] = user.get_user_phone( phone_type='mobile', index=0) if not init_param['phone']: log.warning("Enrolling SMS token. But the user " "{0!r} has no mobile number!".format(user)) if handler_options.get("sms_identifier"): init_param["sms.identifier"] = handler_options.get("sms_identifier") elif tokentype == "email": if handler_options.get("dynamic_email"): init_param["dynamic_email"] = 1 else: init_param['email'] = user.info.get("email", "") if not init_param['email']: log.warning("Enrolling EMail token. But the user {0!s}" "has no email address!".format(user)) if handler_options.get("smtp_identifier"): init_param["email.identifier"] = handler_options.get("smtp_identifier") elif tokentype == "motp": init_param['motppin'] = handler_options.get("motppin") t = init_token(param=init_param, user=user) log.info("New token {0!s} enrolled.".format(t.token.serial)) return ret