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GNU GENERAL PUBLIC LICENSE
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How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
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fediverse
Copyright (C) 2021 spla
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
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This program is distributed in the hope that it will be useful,
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Also add information on how to contact you by electronic and paper mail.
If the program does terminal interaction, make it output a short
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<program> Copyright (C) 2021 spla
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
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The hypothetical commands `show w' and `show c' should show the appropriate
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You should also get your employer (if you work as a programmer) or school,
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For more information on this, and how to apply and follow the GNU GPL, see
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The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<https://www.gnu.org/licenses/why-not-lgpl.html>.

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# xmpp bot for Mastodon
Bot to manage a xmpp ejabberd node from a Mastodon server, by posting keywords to it.
The bot only listen keywords from your Mastodon server local users. They can register themselves to your ejabberd xmpp server, unregister, check your xmpp node stats and more!.
The keywords that they can issue against the bot are the following:
@your_bot register
@your_bot unregister
@your_bot stats
@your_bot status
@your_bot sessions
The bot will process any of the above keywords thanks to the wrapper for ejabberd API (`ejabberdapi.py`, coded by me (WIP)) and the excellent wrapper for Mastodon API coded by [halcy](https://github.com/halcy/Mastodon.py) but, first time you run `python xmpp.py`, it will ask you for the needed parameters like:
- api_base_url: http://127.0.0.1:5280 (ejabberd server's API listen port)
- local_vhost: your local ejabberd vhost
- admin_account: the ejabberd admin account, in exemple admin@ejabberd.server
- admin_pass: ejabberd admin account password
- Akkoma hostname: in ex. akkoma.host
- bot's replies language (ca or en)
# Requirements
- Mastodon server bot account
- xmpp ejabberd node with admin privileges
Before running `python xmpp.py`:
1. git clone https://git.mastodont.cat/spla/xmppbot.git target_dir.
2. `cd target_dir`
3. create the Python Virtual Environment with `python3.x -m venv .`
4. activate it with `source bin/activate`
5. run `pip install -r requirements.txt` to install required libraries.
6. set up your contrab to run `python xmpp.py` every minute.
Enjoy!

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ejabberdapi.py Normal file
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import os
import os.path
import requests
import string
import getpass
import secrets
from collections import OrderedDict
###
# Dict helper class.
# Defined at top level so it can be pickled.
###
class AttribAccessDict(dict):
def __getattr__(self, attr):
if attr in self:
return self[attr]
else:
raise AttributeError("Attribute not found: " + str(attr))
def __setattr__(self, attr, val):
if attr in self:
raise AttributeError("Attribute-style access is read only")
super(AttribAccessDict, self).__setattr__(attr, val)
class Ejabberd:
name = 'Ejabberd API wrapper'
def __init__(self, api_base_url=None, local_vhost=None, admin_account=None, admin_pass=None):
self.__ejabberd_config_path = "secrets/ejabberd_secrets.txt"
is_setup = self.__check_setup(self)
if is_setup:
self.__api_base_url = self.__get_parameter("api_base_url", self.__ejabberd_config_path)
self.__local_vhost = self.__get_parameter("local_vhost", self.__ejabberd_config_path)
self.__admin_account = self.__get_parameter("admin_account", self.__ejabberd_config_path)
self.__admin_pass = self.__get_parameter("admin_pass", self.__ejabberd_config_path)
else:
self.__api_base_url, self.__local_vhost, self.__admin_account, self.__admin_pass = self.setup(self)
def generate_pass(self):
alphabet = string.ascii_letters + string.digits
while True:
password = ''.join(secrets.choice(alphabet) for i in range(10))
if (any(c.islower() for c in password)
and any(c.isupper() for c in password)
and sum(c.isdigit() for c in password) >= 3):
break
return password
def check_account(self, username, host):
data = {'user':username,
'host':self.__local_vhost,
}
endpoint = self.__api_base_url + '/api/check_account?'
response = self.__api_request(endpoint, data)
account_exists = True if response.json() == 0 else False
return account_exists
def register(self, username, host, user_password):
account_exists = self.account_exists(username, host)
if not account_exists:
data = {'user':username,
'host':self.__local_vhost,
'password':user_password,
}
endpoint = self.__api_base_url + '/api/register?'
response = self.__api_request(endpoint, data)
is_registered = response.ok
if is_registered:
response_text = response.json()
else:
response_text = f"{response.json()['status']}: {response.json()['message']}"
else:
is_registered = False
response_text = f"el compte {username}@{host} ja existeix!"
return (is_registered, response_text)
def unregister(self, username, host):
is_unregistered = False
is_admin = False
if username+'@'+host == self.__admin_account:
is_admin = True
return (is_unregistered, is_admin)
data = {'user':username,
'host':self.__local_vhost,
}
endpoint = self.__api_base_url + '/api/unregister?'
response = self.__api_request(endpoint, data)
is_unregistered = response.ok
return (is_unregistered, is_admin)
def stats(self):
names_temp = ["registeredusers","onlineusers","onlineusersnode","uptimeseconds","processes"]
names = OrderedDict.fromkeys(names_temp).keys()
stats_dict = {}
for name in names:
data = {
"name": name
}
endpoint = self.__api_base_url + '/api/stats?'
response = self.__api_request(endpoint, data)
result = response.json()['stat']
stats_dict[name] = result
stats = self.__json_allow_dict_attrs(stats_dict)
return stats
def status(self):
data = {
}
endpoint = self.__api_base_url + '/api/status?'
response = self.__api_request(endpoint, data)
result = response.json()
return result
def user_sessions_info(self, username, host):
temp_dict = {}
sessions_dict = {}
data = {'user':username,
'host':self.__local_vhost,
}
endpoint = self.__api_base_url + '/api/user_sessions_info?'
response = self.__api_request(endpoint, data)
i = 0
while i < len(response.json()):
temp_dict['connection'] = response.json()[i]['connection']
temp_dict['ip'] = response.json()[i]['ip']
temp_dict['port'] = response.json()[i]['port']
temp_dict['priority'] = response.json()[i]['priority']
temp_dict['node'] = response.json()[i]['node']
temp_dict['uptime'] = response.json()[i]['uptime']
temp_dict['status'] = response.json()[i]['status']
temp_dict['resource'] = response.json()[i]['resource']
temp_dict['statustext'] = response.json()[i]['statustext']
if len(sessions_dict) > 0:
ds = [temp_dict, sessions_dict]
sessions_temp = {}
for k in temp_dict.keys():
sessions_temp[k] = tuple(sessions_temp[k] for sessions_temp in ds)
else:
sessions_dict = temp_dict.copy()
sessions_temp = sessions_dict.copy()
i += 1
sessions = self.__json_allow_dict_attrs(sessions_temp)
return sessions
def __api_request(self, endpoint, data):
try:
response = requests.post(url = endpoint, json = data, auth=(self._Ejabberd__admin_account, self._Ejabberd__admin_pass))
except Exception as e:
raise EjabberdNetworkError(f"Could not complete request: {e}")
if response is None:
raise EjabberdIllegalArgumentError("Illegal request.")
if not response.ok:
try:
if isinstance(response, dict) and 'error' in response:
error_msg = response['error']
elif isinstance(response, str):
error_msg = response
else:
error_msg = None
except ValueError:
error_msg = None
if response.status_code == 404:
ex_type = EjabberdNotFoundError
if not error_msg:
error_msg = 'Endpoint not found.'
# this is for compatibility with older versions
# which raised EjabberdAPIError('Endpoint not found.')
# on any 404
elif response.status_code == 401:
ex_type = EjabberdUnauthorizedError
elif response.status_code == 500:
ex_type = EjabberdInternalServerError
elif response.status_code == 502:
ex_type = EjabberdBadGatewayError
elif response.status_code == 503:
ex_type = EjabberdServiceUnavailableError
elif response.status_code == 504:
ex_type = EjabberdGatewayTimeoutError
elif response.status_code >= 500 and \
response.status_code <= 511:
ex_type = EjabberdServerError
else:
ex_type = EjabberdAPIError
raise ex_type(
'Ejabberd API returned error',
response.status_code,
response.reason,
error_msg)
else:
return response
@staticmethod
def __check_setup(self):
is_setup = False
if not os.path.isfile(self.__ejabberd_config_path):
print(f"File {self.__ejabberd_config_path} not found, running setup.")
else:
is_setup = True
return is_setup
@staticmethod
def setup(self):
if not os.path.exists('secrets'):
os.makedirs('secrets')
self.__api_base_url = input("api_base_url, in ex. 'http://127.0.0.1:5280': ")
self.__local_vhost = input("local_vhost, in ex. 'ejabberd.server': ")
self.__admin_account = input("admin_account, in ex. 'admin@ejabberd.server': ")
self.__admin_pass = getpass.getpass("admin_pass, in ex. 'my_very_hard_secret_pass': ")
if not os.path.exists(self.__ejabberd_config_path):
with open(self.__ejabberd_config_path, 'w'): pass
print(f"{self.__ejabberd_config_path} created!")
with open(self.__ejabberd_config_path, 'a') as the_file:
print("Writing ejabberd secrets parameters to " + self.__ejabberd_config_path)
the_file.write(f'api_base_url: {self.__api_base_url}\n'+f'local_vhost: {self.__local_vhost}\n'+f'admin_account: {self.__admin_account}\n'+f'admin_pass: {self.__admin_pass}\n')
return (self.__api_base_url, self.__local_vhost, self.__admin_account, self.__admin_pass)
@staticmethod
def __get_parameter(parameter, file_path ):
with open( file_path ) as f:
for line in f:
if line.startswith( parameter ):
return line.replace(parameter + ":", "").strip()
print(f'{file_path} Missing parameter {parameter}')
sys.exit(0)
@staticmethod
def __json_allow_dict_attrs(json_object):
"""
Makes it possible to use attribute notation to access a dicts
elements, while still allowing the dict to act as a dict.
"""
if isinstance(json_object, dict):
return AttribAccessDict(json_object)
return json_object
##
# Exceptions
##
class EjabberdError(Exception):
"""Base class for Mastodon.py exceptions"""
class EjabberdIOError(IOError, EjabberdError):
"""Base class for Mastodon.py I/O errors"""
class EjabberdNetworkError(EjabberdIOError):
"""Raised when network communication with the server fails"""
pass
class EjabberdAPIError(EjabberdError):
"""Raised when the mastodon API generates a response that cannot be handled"""
pass
class EjabberdServerError(EjabberdAPIError):
"""Raised if the Server is malconfigured and returns a 5xx error code"""
pass
class EjabberdInternalServerError(EjabberdServerError):
"""Raised if the Server returns a 500 error"""
pass
class EjabberdBadGatewayError(EjabberdServerError):
"""Raised if the Server returns a 502 error"""
pass
class EjabberdServiceUnavailableError(EjabberdServerError):
"""Raised if the Server returns a 503 error"""
pass
class EjabberdGatewayTimeoutError(EjabberdServerError):
"""Raised if the Server returns a 504 error"""
pass
class EjabberdNotFoundError(EjabberdAPIError):
"""Raised when the ejabberd API returns a 404 Not Found error"""
pass
class EjabberdUnauthorizedError(EjabberdAPIError):
"""Raised when the ejabberd API returns a 401 Unauthorized error
This happens when an OAuth token is invalid or has been revoked,
or when trying to access an endpoint that can't be used without
authentication without providing credentials."""
pass

406
mastodonbot.py Normal file
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from mastodon import Mastodon
from mastodon import MastodonMalformedEventError, MastodonNetworkError, MastodonReadTimeout, MastodonAPIError, MastodonIllegalArgumentError
import getpass
import unidecode
import fileinput,re
import os
import sys
import os.path
###
# Dict helper class.
# Defined at top level so it can be pickled.
###
class AttribAccessDict(dict):
def __getattr__(self, attr):
if attr in self:
return self[attr]
else:
raise AttributeError("Attribute not found: " + str(attr))
def __setattr__(self, attr, val):
if attr in self:
raise AttributeError("Attribute-style access is read only")
super(AttribAccessDict, self).__setattr__(attr, val)
class Mastodonbot:
name = 'Mastodonbot'
def __init__(self, mastodon=None, mastodon_hostname=None):
file_path = "secrets/secrets.txt"
is_setup = self.__check_setup(file_path)
if is_setup:
self.__uc_client_id = self.__get_parameter("uc_client_id", file_path)
self.__uc_client_secret = self.__get_parameter("uc_client_secret", file_path)
self.__uc_access_token = self.__get_parameter("uc_access_token", file_path)
self.mastodon, self.mastodon_hostname = self.__log_in(self)
bot_file_path = "config/config.txt"
self.__bot_lang = self.__get_parameter("bot_lang" , bot_file_path)
self.__load_strings(self)
else:
while(True):
logged_in, self.mastodon, self.mastodon_hostname = self.setup()
if not logged_in:
print("\nLog in failed! Try again.\n")
else:
bot_file_path = "config/config.txt"
self.__bot_lang = self.__get_parameter("bot_lang" , bot_file_path)
self.__load_strings(self)
break
@staticmethod
def __log_in(self):
file_path = "secrets/secrets.txt"
uc_client_id = self.__get_parameter("uc_client_id", file_path)
uc_client_secret = self.__get_parameter("uc_client_secret", file_path)
uc_access_token = self.__get_parameter("uc_access_token", file_path)
file_path = "config/config.txt"
self.mastodon_hostname = self.__get_parameter("mastodon_hostname", file_path)
self.mastodon = Mastodon(
client_id = uc_client_id,
client_secret = uc_client_secret,
access_token = uc_access_token,
api_base_url = 'https://' + self.mastodon_hostname,
)
headers={ 'Authorization': 'Bearer %s'%uc_access_token }
return (self.mastodon, self.mastodon_hostname)
@staticmethod
def __check_setup(file_path):
is_setup = False
if not os.path.isfile(file_path):
print(f"File {file_path} not found, running setup.")
return
else:
is_setup = True
return is_setup
def setup(self):
logged_in = False
try:
self.mastodon_hostname = input("Enter Mastodon hostname (or 'q' to exit): ")
if self.mastodon_hostname == 'q':
sys.exit("Bye")
user_name = input("Bot user name, ex. john? ")
user_password = getpass.getpass("Bot password? ")
app_name = input("Bot App name? ")
self.__bot_lang = input("Bot replies lang (ca or en)? ")
client_id, client_secret = Mastodon.create_app(
app_name,
to_file="app_clientcred.txt",
api_base_url=self.mastodon_hostname
)
mastodon = Mastodon(client_id = "app_clientcred.txt", api_base_url = self.mastodon_hostname)
grant_type = 'password'
mastodon.__log_in(
client_id,
client_secret,
grant_type,
user_name,
user_password,
scopes = ["read", "write"],
to_file = "app_usercred.txt"
)
if os.path.isfile("app_usercred.txt"):
print(f"Log in succesful!")
logged_in = True
if not os.path.exists('secrets'):
os.makedirs('secrets')
secrets_filepath = 'secrets/secrets.txt'
if not os.path.exists(secrets_filepath):
with open(secrets_filepath, 'w'): pass
print(f"{secrets_filepath} created!")
with open(secrets_filepath, 'a') as the_file:
print("Writing secrets parameter names to " + secrets_filepath)
the_file.write('uc_client_id: \n'+'uc_client_secret: \n'+'uc_access_token: \n')
client_path = 'app_clientcred.txt'
with open(client_path) as fp:
line = fp.readline()
cnt = 1
while line:
if cnt == 1:
print("Writing client id to " + secrets_filepath)
self.__modify_file(self, secrets_filepath, "uc_client_id: ", value=line.rstrip())
elif cnt == 2:
print("Writing client secret to " + secrets_filepath)
self.__modify_file(self, secrets_filepath, "uc_client_secret: ", value=line.rstrip())
line = fp.readline()
cnt += 1
token_path = 'app_usercred.txt'
with open(token_path) as fp:
line = fp.readline()
print("Writing access token to " + secrets_filepath)
self.__modify_file(self, secrets_filepath, "uc_access_token: ", value=line.rstrip())
if os.path.exists("app_clientcred.txt"):
print("Removing app_clientcred.txt temp file..")
os.remove("app_clientcred.txt")
if os.path.exists("app_usercred.txt"):
print("Removing app_usercred.txt temp file..")
os.remove("app_usercred.txt")
self.config_filepath = 'config/config.txt'
self.__create_config(self)
self.__write_config(self)
self.__read_config_line(self)
print("Secrets setup done!\n")
except MastodonIllegalArgumentError as i_error:
sys.stdout.write(f'\n{str(i_error)}\n')
except MastodonNetworkError as n_error:
sys.stdout.write(f'\n{str(n_error)}\n')
except MastodonReadTimeout as r_error:
sys.stdout.write(f'\n{str(r_error)}\n')
except MastodonAPIError as a_error:
sys.stdout.write(f'\n{str(a_error)}\n')
return (logged_in, mastodon, self.mastodon_hostname)
@staticmethod
def __get_parameter(parameter, file_path ):
with open( file_path ) as f:
for line in f:
if line.startswith( parameter ):
return line.replace(parameter + ":", "").strip()
print(f'{file_path} Missing parameter {parameter}')
sys.exit(0)
@staticmethod
def __load_strings(self):
lang_file_path = f"app/locales/{self.__bot_lang}.txt"
self.register_str = self.__get_parameter("register_str", lang_file_path)
self.unregister_str = self.__get_parameter("unregister_str", lang_file_path)
self.stats_str = self.__get_parameter("stats_str", lang_file_path)
self.status_str = self.__get_parameter("status_str", lang_file_path)
self.registerok_str = self.__get_parameter("registerok_str", lang_file_path)
self.user_str = self.__get_parameter("user_str", lang_file_path)
self.password_str = self.__get_parameter("password_str", lang_file_path)
self.server_str = self.__get_parameter("server_str", lang_file_path)
self.xmpp_account_str = self.__get_parameter("xmpp_account_str", lang_file_path)
self.notdeleteadmin_str = self.__get_parameter("notdeleteadmin_str", lang_file_path)
self.deleted_str = self.__get_parameter("deleted_str", lang_file_path)
self.stats_title_str = self.__get_parameter("stats_title_str", lang_file_path)
self.registered_users_str = self.__get_parameter("registered_users_str", lang_file_path)
self.users_online_str = self.__get_parameter("users_online_str", lang_file_path)
self.node_users_str = self.__get_parameter("node_users_str", lang_file_path)
self.uptime_str = self.__get_parameter("uptime_str", lang_file_path)
self.processes_str = self.__get_parameter("processes_str", lang_file_path)
self.account_exists_str = self.__get_parameter("account_exists_str", lang_file_path)
self.user_sessions_info_str = self.__get_parameter("user_sessions_info_str", lang_file_path)
self.current_sessions_str = self.__get_parameter("current_sessions_str", lang_file_path)
self.sessions_connection_str = self.__get_parameter("sessions_connection_str", lang_file_path)
self.sessions_ip_str = self.__get_parameter("sessions_ip_str", lang_file_path)
self.sessions_port_str = self.__get_parameter("sessions_port_str", lang_file_path)
self.sessions_priority_str = self.__get_parameter("sessions_priority_str", lang_file_path)
self.sessions_node_str = self.__get_parameter("sessions_node_str", lang_file_path)
self.sessions_uptime_str = self.__get_parameter("sessions_uptime_str", lang_file_path)
self.sessions_status_str = self.__get_parameter("sessions_status_str", lang_file_path)
self.sessions_resource_str = self.__get_parameter("sessions_resource_str", lang_file_path)
self.sessions_statustext_str = self.__get_parameter("sessions_statustext_str", lang_file_path)
@staticmethod
def __modify_file(self, file_name, pattern,value=""):
fh=fileinput.input(file_name,inplace=True)
for line in fh:
replacement=pattern + value
line=re.sub(pattern,replacement,line)
sys.stdout.write(line)
fh.close()
@staticmethod
def __create_config(self):
if not os.path.exists('config'):
os.makedirs('config')
if not os.path.exists(self.config_filepath):
print(self.config_filepath + " created!")
with open('config/config.txt', 'w'): pass
@staticmethod
def __write_config(self):
with open(self.config_filepath, 'a') as the_file:
the_file.write('mastodon_hostname: \n')
print(f"adding parameter 'mastodon_hostname' to {self.config_filepath}")
print(f"adding parameter 'bot_lang' to {self.config_filepath}")
@staticmethod
def __read_config_line(self):
with open(self.config_filepath) as fp:
line = fp.readline()
self.__modify_file(self, self.config_filepath, "mastodon_hostname: ", value=self.mastodon_hostname)
self.__modify_file(self, self.config_filepath, "bot_lang: ", value=self.__bot_lang)
def get_data(self, notif):
id = notif.id
account_id = notif.account.id
acct = notif.account.acct
status_id = notif.status.id
text = notif.status.content
visibility = notif.status.visibility
reply, question = self.__get_question(self, text)
mention_dict = {'reply': reply, 'question': question, 'id': id, 'account_id': account_id, 'acct': acct, 'status_id': status_id, 'text': text, 'visibility': visibility}
mention = self.__json_allow_dict_attrs(mention_dict)
return mention
@staticmethod
def __get_question(self, text):
reply = False
keyword = ''
content = self.__cleanhtml(self, text)
content = self.__unescape(self, content)
try:
start = content.index("@")
end = content.index(" ")
if len(content) > end:
content = content[0: start:] + content[end +1::]
cleanit = content.count('@')
i = 0
while i < cleanit :
start = content.rfind("@")
end = len(content)
content = content[0: start:] + content[end +1::]
i += 1
content = content.lower()
question = content
#keyword_length = 8
keyword = question
if keyword == self.register_str or keyword == self.unregister_str or keyword == self.stats_str or self.status_str or user_sessions_info_str:
keyword_length = len(keyword)
if unidecode.unidecode(question)[0:keyword_length] == keyword:
reply = True
except:
pass
return (reply, question)
@staticmethod
def __cleanhtml(self, raw_html):
cleanr = re.compile('<.*?>')
cleantext = re.sub(cleanr, '', raw_html)
return cleantext
@staticmethod
def __unescape(self, s):
s = s.replace("&apos;", "'")
return s
@staticmethod
def __json_allow_dict_attrs(json_object):
"""
Makes it possible to use attribute notation to access a dicts
elements, while still allowing the dict to act as a dict.
"""
if isinstance(json_object, dict):
return AttribAccessDict(json_object)
return json_object