###
# 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 json
import re
import requests
import secrets
import string
from supybot import utils, plugins, ircutils, callbacks
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"""

        #url = 'https://sso.casa/auth/admin/realms/LibertaCasa/users'
        #token = 'eyJhbGciOiJSUzI1NiIsInR5cCIgOiAiSldUIiwia2lkIiA6ICJ0MVdqUE5zNk1qWmVfRHF5VjY5ZHRaTFptRm1pYjUtaXlyaktQNjlvd204In0.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.fZS5Ovmi8amIoJQedVCkjrl4NzTquXsyzpq7ec_SZk1dV6jD-HzHgQA9Ux22Z3hME3CKSmRq7Ljmd0f4MSkb21SXvkb4Nnk4kLyXiAUIqN_ssU4znakNLLpK-2Nwj9-VseQ5FOhVClWlu2QELkFuOO2qAxyXNrvqWd-OfjB6UxvkdS8CRsemoI9uRlUeya3c1kW7TTjFoOoAFaLYqJipWNuT5UtUTWnzbFfhbFy4Mfi5sYMCjP5arp1Ztkzmtr08Ts2cXE2Dafhzq8XmKdciDelSPfHM1jfAMXOx2OBX1YMfs5oDRTj43NrmYQ_trH4Vc3KYAwj_Bx4-XOVMYEWBJA'

        #url = 'http://192.168.0.115:8880/auth/admin/realms/devel/users'
        #token = 'eyJhbGciOiJSUzI1NiIsInR5cCIgOiAiSldUIiwia2lkIiA6ICI1TDlTMk5tUW9RMkFrWnZaR0NKdUR0ZUNrbGJfRHhlZlhFUmk5cXN0ODBvIn0.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.dbKBz15f8zdOE6V0Db1WxiHeDgFHyUfNh8gJgAl8ddFfmihtFkVo1gD8IGWKJuapJD-KJWpq3xK3TWaOLr2wdC8QSMhfG3h7l2RWfmkmy2-Ra8_-ZDLDFKQKO6HfFEVZJ5NLzgHatduwX3wJPjDGfuXJf1Iw5iSV0j5eTjOdZVifWoIFrzCCwLbn_fjuX50RRBGWVuq_Qg96L_u4ohaIlRutvaE3tWvzG7GRvdKYYwla9xiIksOvNzjyZf5ucL0VJ3NeuN2yX9TY4YMPXaFAHRlFixcuUKIZw3P_D782GRaxzYNUS_yfGi5li25hT0rD4OEX22YSqkHHJzZszWlAWw'

        server = self.registryValue('backend.server')
        realm = self.registryValue('backend.realm')
        tokenurl = self.registryValue('backend.token')
        usererr = self.registryValue('replies.error')

        try:
            tokendl = requests.get(tokenurl)
            tokendata = tokendl.json()
            token = tokendata['access_token']
        except:
            print("ERROR: Keycloak token could not be installed.")
            irc.error(usererr)

        url = server + '/auth/admin/realms/' + realm + '/users'

        if re.match(r"[^@]+@[^@]+\.[^@]+", email):
            payload = {
            "firstName": "Foo",
            "lastName": "Bar",
            "email": email,
            "enabled": "true",
            "username": msg.nick,
            "credentials": [{"type": "password", "value": "test123", "temporary": "true"}]
            }
            response = requests.post(
            url,
            headers = {'Content-Type': 'application/json', 'Authorization': 'Bearer ' + token},
            json = payload
            )
            print("Keycloak: HTTP Status ", response.status_code)
            if response.text:
                print("Keycloak: Response Text: ", response.text)
            print("Keycloak: Response JSON: ", response.json())
            status = response.status_code
            #To-Do: figure out why this needs to bere instead of being fed from the usererr config variable defined above
            #usererr = irc.error("Something went wrong. Please contact an administrator.")
            if status == 201:
                print(" SSO User " + msg.nick + " created.")
                irc.reply("OK, please log in and change your password NOW.")
            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'])



Class = Keycloak


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