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#!/usr/bin/python
import os
import sys
import time
import duo_client
from configparser import ConfigParser
from urllib.parse import urlparse
class BaseLog:
def __init__(self, admin_api, path, logname):
self.admin_api = admin_api
self.path = path
self.logname = logname
self.mintime = 0
self.events = []
def get_events(self):
raise NotImplementedError
def print_events(self):
raise NotImplementedError
def get_last_timestamp_path(self):
"""
Returns the path to the file containing the timestamp of the last
event fetched.
"""
filename = self.logname + "_last_timestamp_" + self.admin_api.host
path = os.path.join(self.path, filename)
return path
def get_mintime(self):
"""
Updates self.mintime which is the minimum timestamp of
log events we want to fetch.
self.mintime is > all event timestamps we have already fetched.
"""
try:
# Only fetch events that come after timestamp of last event
path = self.get_last_timestamp_path()
self.mintime = int(open(path).read().strip()) + 1
except IOError:
pass
def write_last_timestamp(self):
"""
Store last_timestamp so that we don't fetch the same events again
"""
if not self.events:
# Do not update last_timestamp
return
last_timestamp = 0
for event in self.events:
last_timestamp = max(last_timestamp, event['timestamp'])
path = self.get_last_timestamp_path()
f = open(path, "w")
f.write(str(last_timestamp))
f.close()
def run(self):
"""
Fetch new log events and print them.
"""
self.events = []
self.get_mintime()
self.get_events()
self.print_events()
self.write_last_timestamp()
class AdministratorLog(BaseLog):
def __init__(self, admin_api, path):
BaseLog.__init__(self, admin_api, path, "administrator")
def get_events(self):
self.events = self.admin_api.get_administrator_log(
mintime=self.mintime,
)
def print_events(self):
"""
Print events in a format suitable for Splunk.
"""
for event in self.events:
event['ctime'] = time.ctime(event['timestamp'])
event['actionlabel'] = {
'admin_login': "Admin Login",
'admin_create': "Create Admin",
'admin_update': "Update Admin",
'admin_delete': "Delete Admin",
'customer_update': "Update Customer",
'group_create': "Create Group",
'group_update': "Update Group",
'group_delete': "Delete Group",
'integration_create': "Create Integration",
'integration_update': "Update Integration",
'integration_delete': "Delete Integration",
'phone_create': "Create Phone",
'phone_update': "Update Phone",
'phone_delete': "Delete Phone",
'user_create': "Create User",
'user_update': "Update User",
'user_delete': "Delete User"}.get(
event['action'], event['action'])
fmtstr = '%(timestamp)s,' \
'host="%(host)s", ' \
'eventtype="%(eventtype)s", ' \
'username="%(username)s", ' \
'action="%(actionlabel)s"'
if event['object']:
fmtstr += ', object="%(object)s"'
if event['description']:
fmtstr += ', description="%(description)s"'
print(fmtstr % event)
class AuthenticationLog(BaseLog):
def __init__(self, admin_api, path):
BaseLog.__init__(self, admin_api, path, "authentication")
def get_events(self):
self.events = self.admin_api.get_authentication_log(
mintime=self.mintime,
)
def print_events(self):
"""
Print events in a format suitable for Splunk.
"""
for event in self.events:
event['ctime'] = time.ctime(event['timestamp'])
fmtstr = (
'%(timestamp)s,'
'host="%(host)s", '
'eventtype="%(eventtype)s", '
'username="%(username)s", '
'factor="%(factor)s", '
'result="%(result)s", '
'reason="%(reason)s", '
'ip="%(ip)s", '
'integration="%(integration)s", '
'newenrollment="%(new_enrollment)s"'
)
print(fmtstr % event)
class TelephonyLog(BaseLog):
def __init__(self, admin_api, path):
BaseLog.__init__(self, admin_api, path, "telephony")
def get_events(self):
self.events = self.admin_api.get_telephony_log(
mintime=self.mintime,
)
def print_events(self):
"""
Print events in a format suitable for Splunk.
"""
for event in self.events:
event['ctime'] = time.ctime(event['timestamp'])
event['host'] = self.admin_api.host
fmtstr = '%(timestamp)s,' \
'host="%(host)s", ' \
'eventtype="%(eventtype)s", ' \
'context="%(context)s", ' \
'type="%(type)s", ' \
'phone="%(phone)s", ' \
'credits="%(credits)s"'
print(fmtstr % event)
def admin_api_from_config(config_path):
"""
Return a duo_client.Admin object created using the parameters
stored in a config file.
"""
config = ConfigParser()
config.read(config_path)
config_d = dict(config.items('duo'))
ca_certs = config_d.get("ca_certs", None)
if ca_certs is None:
ca_certs = config_d.get("ca", None)
ret = duo_client.Admin(
ikey=config_d['ikey'],
skey=config_d['skey'],
host=config_d['host'],
ca_certs=ca_certs,
)
http_proxy = config_d.get("http_proxy", None)
if http_proxy is not None:
proxy_parsed = urlparse(http_proxy)
proxy_host = proxy_parsed.hostname
proxy_port = proxy_parsed.port
ret.set_proxy(host = proxy_host, port = proxy_port)
return ret
def main():
if len(sys.argv) == 1:
config_path = os.path.abspath(__file__)
config_path = os.path.dirname(config_path)
config_path = os.path.join(config_path, "duo.conf")
else:
config_path = os.path.abspath(sys.argv[1])
admin_api = admin_api_from_config(config_path)
# Use the directory of the config file to store the last event tstamps
path = os.path.dirname(config_path)
for logclass in (AdministratorLog, AuthenticationLog, TelephonyLog):
log = logclass(admin_api, path)
log.run()
if __name__ == '__main__':
main()
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