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###
# Copyright (c) 2021, Georg Pfuetzenreuter
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice,
# this list of conditions, and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions, and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of the author of this software nor the name of
# contributors to this software may be used to endorse or promote products
# derived from this software without specific prior written consent.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
###
import re
import requests
import secrets
import string
from supybot import utils, plugins, ircutils, callbacks, ircmsgs
from supybot.commands import *
from supybot.ircmsgs import nick
try:
from supybot.i18n import PluginInternationalization
_ = PluginInternationalization('Keycloak')
except ImportError:
# Placeholder that allows to run the plugin on a bot
# without the i18n module
_ = lambda x: x
class Keycloak(callbacks.Plugin):
"""Interfaces with Keycloak SSO."""
threaded = True
def register(self, irc, msg, args, email):
"""<email>
registers an account with your username and the specified email address"""
server = self.registryValue('backend.server')
realm = self.registryValue('backend.realm')
tokenurl = self.registryValue('backend.token')
usererr = self.registryValue('replies.error')
emailverified = self.registryValue('options.emailVerified')
firstname = self.registryValue('options.firstName')
lastname = self.registryValue('options.lastName')
alphabet = string.ascii_letters + string.digits
random = ''.join(secrets.choice(alphabet) for i in range(64))
try:
tokendl = requests.get(tokenurl)
tokendata = tokendl.json()
token = tokendata['access_token']
url = server + '/auth/admin/realms/' + realm + '/users'
except:
print("ERROR: Keycloak token could not be installed.")
irc.error(usererr)
if re.match(r"[^@]+@[^@]+\.[^@]+", email):
pw = random
payload = {
"firstName": firstname,
"lastName": lastname,
"email": email,
"enabled": "true",
"username": msg.nick,
"credentials": [{"type": "password", "value": pw, "temporary": emailverified,}],
"emailVerified": "false"
}
response = requests.post(
url,
headers = {'Content-Type': 'application/json', 'Authorization': 'Bearer ' + token},
json = payload
)
print("Keycloak: HTTP Status ", response.status_code)
try:
print("Keycloak: Response Text: ", response.text)
except:
print("Keycloak: No or invalid response text. This is not an error.")
try:
print("Keycloak: Response JSON: ", response.json())
except:
print("Keycloak: No or invalid response JSON. This it not an error.")
status = response.status_code
if status == 201:
print(" SSO User " + msg.nick + " created.")
irc.queueMsg(msg=ircmsgs.IrcMsg(command='PRIVMSG', args=(msg.nick, f'{pw}')))
irc.reply("OK, I sent you a private message.")
if status == 400:
print("ERROR: Keycloak indicated that the request is invalid.")
irc.error(usererr)
if status == 401:
print("ERROR: Fix your Keycloak API credentials and/or client roles, doh.")
irc.error(usererr)
if status == 403:
print("ERROR: Keycloak indicated that the authorization provided is not enough to access the resource.")
irc.error(usererr)
if status == 404:
print("ERROR: Keycloak indicated that the requested resource does not exist.")
irc.error(usererr)
if status == 409:
print("ERROR: Keycloak indicated that the resource already exists or \"some other coonflict when processing the request\" occured.")
irc.reply("Your username seems to already be registerd.")
if status == 415:
print("ERROR: Keycloak indicated that the requested media type is not supported.")
irc.error(usererr)
if status == 500:
print("ERROR: Keycloak indicated that the server could not fullfill the request due to \"some unexpected error \".")
irc.error(usererr)
else:
irc.error("Is that a valid email address?")
register = wrap(register, ['anything'])
def ircprom(self, irc, msg, args, option):
"""<status>
true/on = enable authentication to your IRC account with an SSO account going by the same username --
false/off = allow authentication to your IRC account ONLY with internal IRC credentials (NickServ) --
Warning: Enabling this without having an SSO account with the same username as your IRC nickname is a security risk."""
user = msg.nick
server = self.registryValue('backend.server')
realm = self.registryValue('backend.realm')
tokenurl = self.registryValue('backend.token')
usererr = self.registryValue('replies.error')
gid = self.registryValue('options.ircgroup')
try:
tokendl = requests.get(tokenurl)
tokendata = tokendl.json()
token = tokendata['access_token']
url = server + '/auth/admin/realms/' + realm + '/users'
userdata = requests.get(url, params = {'username': user}, headers = {'Content-Type': 'application/json', 'Authorization': 'Bearer ' + token})
userresp = userdata.json()
uid = userresp[0]['id']
print(user, uid)
except:
print("ERROR: Keycloak token could not be installed.")
irc.error(usererr)
try:
url = server + '/auth/admin/realms/' + realm + '/users/' + uid + '/groups/' + gid
if option == 'true' or option == 'on' or option == '1':
option = 'enable'
response = requests.put(
url,
headers = {'Content-Type': 'application/json', 'Authorization': 'Bearer ' + token})
if option == 'false' or option == 'off' or option == '0':
option == 'disable'
response = requests.delete(
url,
headers = {'Content-Type': 'application/json', 'Authorization': 'Bearer ' + token})
if option != 'true' != 'on' != '1' != 'false' != 'off' != '0':
irc.error('Invalid argument.')
else:
print("Keycloak: HTTP Status ", response.status_code)
try:
print("Keycloak: Response Text: ", response.text)
except:
print("Keycloak: No or invalid response text. This is not an error.")
try:
print("Keycloak: Response JSON: ", response.json())
except:
print("Keycloak: No or invalid response JSON. This it not an error.")
status = response.status_code
if status == 204:
print(" SSO user " + user + " is now authorized to authenticate IRC user " + user)
irc.queueMsg(msg=ircmsgs.IrcMsg(command='PRIVMSG', args=(msg.nick, f'{pw}')))
irc.reply("OK, I sent you a private message.")
if status != 204:
print("ERROR: HTTP request did not succeed.")
irc.error(usererr)
except:
print('Operation failed.')
ircprom = wrap(ircprom, ['anything'])
Class = Keycloak
# vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79:
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