refactorization (#1)

* changed all lineendings to lf
* cleaned up main class
* refactor bot
* refactor bot functions
* moved functions.py to classes dir
* code comment changes
* changed code comment style
- removed unnecessary pass statement
+ added missing newline
* simplified function and return statements
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nico 2018-10-01 23:17:09 +02:00 committed by GitHub
parent b9a2e5adcd
commit 294a728b0f
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6 changed files with 460 additions and 351 deletions

126
.gitignore vendored
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@ -1,63 +1,63 @@
# Byte-compiled / optimized / DLL files
__pycache__/
*.py[cod]
*$py.class
# C extensions
*.so
# Distribution / packaging
.Python
env/
venv/
build/
develop-eggs/
dist/
downloads/
eggs/
.eggs/
lib/
lib64/
parts/
sdist/
var/
*.egg-info/
.installed.cfg
*.egg
# PyInstaller
# Usually these files are written by a python script from a template
# before PyInstaller builds the exe, so as to inject date/other infos into it.
*.manifest
*.spec
# Installer logs
pip-log.txt
pip-delete-this-directory.txt
# Unit test / coverage reports
htmlcov/
.tox/
.coverage
.coverage.*
.cache
nosetests.xml
coverage.xml
*,cover
# Translations
*.mo
*.pot
# Django stuff:
*.log
# Sphinx documentation
docs/_build/
# PyBuilder
target/
# .idea
.idea
bot\.cfg
# Byte-compiled / optimized / DLL files
__pycache__/
*.py[cod]
*$py.class
# C extensions
*.so
# Distribution / packaging
.Python
env/
venv/
build/
develop-eggs/
dist/
downloads/
eggs/
.eggs/
lib/
lib64/
parts/
sdist/
var/
*.egg-info/
.installed.cfg
*.egg
# PyInstaller
# Usually these files are written by a python script from a template
# before PyInstaller builds the exe, so as to inject date/other infos into it.
*.manifest
*.spec
# Installer logs
pip-log.txt
pip-delete-this-directory.txt
# Unit test / coverage reports
htmlcov/
.tox/
.coverage
.coverage.*
.cache
nosetests.xml
coverage.xml
*,cover
# Translations
*.mo
*.pot
# Django stuff:
*.log
# Sphinx documentation
docs/_build/
# PyBuilder
target/
# .idea
.idea
bot\.cfg

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@ -1,43 +1,43 @@
# Python XMPP Chatbot
## beforehand
Do not opperate this bot on foreign servers.
### functions
- query xmpp server software and version [XEP-0092](https://xmpp.org/extensions/xep-0092.html)
- query xmpp server uptime [XEP-0012](https://xmpp.org/extensions/xep-0012.html)
- query xmpp server contact addresses [XEP-0157](https://xmpp.org/extensions/xep-0157.html)
- display help output
- respond to username being mentioned
### todo
- [ ] Github Webhook
### install
#### requirements
- slixmpp
- configparser
- datetime
- random
- validators
#### configuration
`bot.cfg` replace dummy file with correct credentials/ parameters
````cfg
[Account]
jid=nick@domain.tld/querybot-0.1
password=super_secret_password
[MUC]
rooms=room_to_connect_to@conference.domain.tld
nick=mucnickname
[ADMIN]
admins=admins ( ! muc nick and not the jid nickname)
````
##### systemd
Copy the systemd dummy file into systemd service folder.
`systemdctl daemon-reload` and `systemctl start magicbot.service` to start the bot.
If it is neccecary to start the bot automatically when the system boots do `systemctl enable magicbot.service`.
#### starting the bot without systemd
# Python XMPP Chatbot
## beforehand
Do not opperate this bot on foreign servers.
### functions
- query xmpp server software and version [XEP-0092](https://xmpp.org/extensions/xep-0092.html)
- query xmpp server uptime [XEP-0012](https://xmpp.org/extensions/xep-0012.html)
- query xmpp server contact addresses [XEP-0157](https://xmpp.org/extensions/xep-0157.html)
- display help output
- respond to username being mentioned
### todo
- [ ] Github Webhook
### install
#### requirements
- slixmpp
- configparser
- datetime
- random
- validators
#### configuration
`bot.cfg` replace dummy file with correct credentials/ parameters
````cfg
[Account]
jid=nick@domain.tld/querybot-0.1
password=super_secret_password
[MUC]
rooms=room_to_connect_to@conference.domain.tld,another_room@conference.domain.tld
nick=mucnickname
[ADMIN]
admins=admins ( ! muc nick and not the jid nickname)
````
##### systemd
Copy the systemd dummy file into systemd service folder.
`systemdctl daemon-reload` and `systemctl start magicbot.service` to start the bot.
If it is neccecary to start the bot automatically when the system boots do `systemctl enable magicbot.service`.
#### starting the bot without systemd
Got to the bots directory and run `./main.py &`.

108
classes/functions.py Normal file
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# XEP-0072: Server Version
class Version:
def __init__(self, version, msg, target):
self.version = version['software_version']['version']
self.os = version['software_version']['os']
self.name = version['software_version']['name']
self.nick = msg['mucnick']
self.message_type = msg['type']
self.target = target
def format_version(self):
if self.message_type == "groupchat":
text = "%s: %s is running %s version %s on %s" % (self.nick, self.target, self.name, self.version, self.os)
else:
text = "%s is running %s version %s on %s" % (self.target, self.name, self.version, self.os)
return text
# XEP-0012: Last Activity
class LastActivity:
""" query the server uptime of the specified domain, defined by XEP-0012 """
def __init__(self, last_activity, msg, target):
self.last_activity = last_activity
self.nick = msg['mucnick']
self.message_type = msg['type']
self.target = target
def format_values(self, granularity=4):
seconds = self.last_activity['last_activity']['seconds']
uptime = []
intervals = (
('years', 31536000), # 60 * 60 * 24 * 365
('weeks', 604800), # 60 * 60 * 24 * 7
('days', 86400), # 60 * 60 * 24
('hours', 3600), # 60 * 60
('minutes', 60),
('seconds', 1)
)
for name, count in intervals:
value = seconds // count
if value:
seconds -= value * count
if value == 1:
name = name.rstrip('s')
uptime.append("{} {}".format(value, name))
result = ' '.join(uptime[:granularity])
if self.message_type == "groupchat":
text = "%s: %s is running since %s" % (self.nick, self.target, result)
else:
text = "%s is running since %s" % (self.target, result)
return text
# XEP-0157: Contact Addresses for XMPP Services
class ContactInfo:
def __init__(self, contact, msg, target):
self.contact = contact
self.message = msg
self.target = target
def format_contact(self):
server_info = []
sep = ' , '
possible_vars = ['abuse-addresses',
'admin-addresses',
'feedback-addresses',
'sales-addresses',
'security-addresses',
'support-addresses']
for field in self.contact['disco_info']['form']:
var = field['var']
if var in possible_vars:
field_value = field.get_value(convert=False)
value = sep.join(field_value) if isinstance(field_value, list) else field_value
server_info.append(' - %s: %s' % (var, value))
if server_info:
text = "contact addresses for %s are" % self.target
for count in range(server_info.__len__()):
text += "\n" + server_info[count]
else:
text = "%s has no contact addresses configured." % self.target
return text
# class handeling XMPPError exeptions
class HandleError:
def __init__(self, error, msg, key, target):
self.error = error
self.message = msg
self.key = key
self.target = target
def build_report(self):
condition = self.error.condition
keyword = self.key[1:]
text = "There was an error requesting " + self.target + '\'s ' + keyword + " : " + condition
return text

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classes/strings.py Normal file
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# -*- coding: utf-8 -*-
from random import randint
class StaticAnswers:
"""
collection of callable static/ semi-static strings
"""
def __init__(self, nick=""):
self.nickname = nick
self.helpfile = {
'help': '!help -- display this text',
'version': '!version domain.tld -- receive XMPP server version',
'uptime': '!uptime domain.tld -- receive XMPP server uptime',
'contact': '!contact domain.tld -- receive XMPP server contact address info'}
self.possible_answers = {
'1': 'I heard that, %s.',
'2': 'I am sorry for that %s.',
'3': '%s did you try turning it off and on again?'}
self.error_messages = {
'1': 'not reachable',
'2': 'not a valid target'
}
self.keywords = {
"keywords": ["!help", "!uptime", "!version", "!contact"],
"no_arg_keywords": ["!help"]
}
def keys(self, arg="", keyword='keywords'):
if arg == 'list':
try:
return self.keywords[keyword]
except KeyError:
return self.keywords['keywords']
else:
return self.keywords
def gen_help(self):
helpdoc = "\n".join(['%s' % value for (_, value) in self.helpfile.items()])
return helpdoc
def gen_answer(self):
possible_answers = self.possible_answers
return possible_answers[str(randint(1, possible_answers.__len__()))] % self.nickname
def error(self,code):
try:
text = self.error_messages[str(code)]
except KeyError:
return 'unknown error'
return text

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@ -1,13 +1,13 @@
[Unit]
2 Description=SlixXMPP service bot
3 After=network.target ejabberd.service
4
5 [Service]
6 Type=simple
7 ExecStart=/usr/bin/python3 /path/to/main.py
8 Restart=on-failure
9 RestartSec=60s
10 User=nico
11
12 [Install]
13 WantedBy=multi-user.target
[Unit]
2 Description=SlixXMPP service bot
3 After=network.target ejabberd.service
4
5 [Service]
6 Type=simple
7 ExecStart=/usr/bin/python3 /path/to/main.py
8 Restart=on-failure
9 RestartSec=60s
10 User=nico
11
12 [Install]
13 WantedBy=multi-user.target

416
main.py
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@ -1,233 +1,183 @@
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Slixmpp: The Slick XMPP Library
Copyright (C) 2010 Nathanael C. Fritz
This file is part of Slixmpp.
See the file LICENSE for copying permission.
"""
import asyncio
import configparser
import logging
import slixmpp
import ssl
import validators
from argparse import ArgumentParser
from datetime import datetime, timedelta
from random import randint
from slixmpp.exceptions import XMPPError
class QueryBot(slixmpp.ClientXMPP):
""" A simple Slixmpp bot with some features """
def __init__(self, jid, password, room, nick):
slixmpp.ClientXMPP.__init__(self, jid, password)
self.room = room
self.nick = nick
# session start event, starting point for the presence and roster requests
self.add_event_handler('session_start', self.start)
# register handler to recieve both groupchat and normal message events
self.add_event_handler('message', self.message)
def start(self, event):
"""
Arguments:
event -- An empty dictionary. The session_start event does not provide any additional data.
"""
self.send_presence()
self.get_roster()
# If a room password is needed, use: password=the_room_password
for rooms in self.room.split(sep=","):
self.plugin['xep_0045'].join_muc(rooms, self.nick, wait=True)
@staticmethod
def precheck(line):
"""
pre check function
- check that keywords are used properly
- check that following a keyword a proper jid is following
:param line: line from message body
:return: true if correct
"""
keywords = ["!help", "!uptime", "!version", "!contact"]
proper_domain, proper_key = False, False
try:
# check for valid keyword in position 0
if line[0] in keywords:
proper_key = True
else:
return
# help command is used
if line[0] == "!help":
proper_domain = True
# check if domain is valid
elif validators.domain(line[1]):
proper_domain = True
else:
return
except IndexError:
pass
return proper_key and proper_domain
@asyncio.coroutine
def message(self, msg):
"""
Arguments:
msg -- The received message stanza. See the documentation for stanza objects and the Message stanza to see
how it may be used.
"""
# catch self messages to prevent self flooding
if msg['mucnick'] == self.nick:
return
if self.nick in msg['body']:
# answer with predefined text when mucnick is used
self.send_message(mto=msg['from'].bare, mbody=notice_answer(msg['mucnick']), mtype=msg['type'])
for line in msg['body'].splitlines():
""" split multiline messages into lines to check every line for keywords """
line = line.split(sep= " ")
if self.precheck(line):
""" true if keyword and domain are valid """
# Display help
if line[0] == '!help':
""" display help when keyword !help is recieved """
self.send_message(mto=msg['from'].bare, mbody=help_doc(), mtype=msg['type'])
# XEP-0072: Server Version
if line[0] == '!version':
""" query the server software version of the specified domain, defined by XEP-0092 """
try:
version = yield from self['xep_0092'].get_version(line[1])
if msg['type'] == "groupchat":
text = "%s: %s is running %s version %s on %s" % (msg['mucnick'], line[1], version[
'software_version']['name'], version['software_version']['version'], version[
'software_version']['os'])
else:
text = "%s is running %s version %s on %s" % (line[1], version['software_version'][
'name'], version['software_version']['version'], version['software_version']['os'])
self.send_message(mto=msg['from'].bare, mbody=text, mtype=msg['type'])
except NameError:
pass
except XMPPError:
pass
# XEP-0012: Last Activity
if line[0] == '!uptime':
""" query the server uptime of the specified domain, defined by XEP-0012 """
try:
# try if domain[0] is set if not just pass
last_activity = yield from self['xep_0012'].get_last_activity(line[1])
uptime = datetime(1, 1, 1) + timedelta(seconds=last_activity['last_activity']['seconds'])
if msg['type'] == "groupchat":
text = "%s: %s is running since %d days %d hours %d minutes" % (msg['mucnick'], line[1],
uptime.day - 1, uptime.hour,
uptime.minute)
else:
text = "%s is running since %d days %d hours %d minutes" % (line[1], uptime.day - 1,
uptime.hour, uptime.minute)
self.send_message(mto=msg['from'].bare, mbody=text, mtype=msg['type'])
except NameError:
pass
except XMPPError:
pass
# XEP-0157: Contact Addresses for XMPP Services
if line[0] == "!contact":
""" query the XEP-0030: Service Discovery and extract contact information """
try:
result = yield from self['xep_0030'].get_info(jid=line[1], cached=False)
server_info = []
for field in result['disco_info']['form']:
var = field['var']
if field['type'] == 'hidden' and var == 'FORM_TYPE':
title = field['value'][0]
continue
sep = ', '
field_value = field.get_value(convert=False)
value = sep.join(field_value) if isinstance(field_value, list) else field_value
server_info.append('%s: %s' % (var, value))
text = "contact addresses for %s are" % (line[1])
for count in range(len(server_info)):
text += "\n" + server_info[count]
self.send_message(mto=msg['from'].bare, mbody=text, mtype=msg['type'])
except NameError:
pass
except XMPPError:
pass
# TODO
# append all results to single message send just once
else:
pass
def help_doc():
helpfile = {'help': '!help -- display this text',
'version': '!version domain.tld -- receive XMPP server version',
'uptime':'!uptime domain.tld -- receive XMPP server uptime',
'contact': '!contact domain.tld -- receive XMPP server contact address info'}
return "".join(['%s\n' % (value) for (_, value) in helpfile.items()])
def notice_answer(nickname):
possible_answers = {'1': 'I heard that, %s.',
'2': 'I am sorry for that %s.',
'3': '%s did you try turning it off and on again?'}
return possible_answers[str(randint(1, len(possible_answers)))] % nickname
if __name__ == '__main__':
# command line arguments.
parser = ArgumentParser()
parser.add_argument('-q', '--quiet', help='set logging to ERROR', action='store_const', dest='loglevel',
const=logging.ERROR, default=logging.INFO)
parser.add_argument('-d', '--debug', help='set logging to DEBUG', action='store_const', dest='loglevel',
const=logging.DEBUG, default=logging.INFO)
parser.add_argument('-D', '--dev', help='set logging to console', action='store_const', dest='logfile',
const="", default='bot.log')
args = parser.parse_args()
# logging
logging.basicConfig(filename=args.logfile, level=args.loglevel, format='%(levelname)-8s %(message)s')
logger = logging.getLogger(__name__)
# configfile
config = configparser.RawConfigParser()
config.read('./bot.cfg')
args.jid = config.get('Account', 'jid')
args.password = config.get('Account', 'password')
args.room = config.get('MUC', 'rooms')
args.nick = config.get('MUC', 'nick')
args.admins = config.get('ADMIN', 'admins')
# init the bot and register used slixmpp plugins
xmpp = QueryBot(args.jid, args.password, args.room, args.nick)
xmpp.ssl_version = ssl.PROTOCOL_TLSv1_2
xmpp.register_plugin('xep_0012') # Last Activity
xmpp.register_plugin('xep_0030') # Service Discovery
xmpp.register_plugin('xep_0045') # Multi-User Chat
xmpp.register_plugin('xep_0060') # PubSub
xmpp.register_plugin('xep_0085') # Chat State Notifications
xmpp.register_plugin('xep_0092') # Software Version
xmpp.register_plugin('xep_0128') # Service Discovery Extensions
xmpp.register_plugin('xep_0199') # XMPP Ping
# connect and start receiving stanzas
xmpp.connect()
xmpp.process()
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Slixmpp: The Slick XMPP Library
Copyright (C) 2010 Nathanael C. Fritz
This file is part of Slixmpp.
See the file LICENSE for copying permission.
"""
import asyncio
import slixmpp
import ssl
import validators
import configparser
import logging
from argparse import ArgumentParser
from slixmpp.exceptions import XMPPError
from classes.strings import StaticAnswers
from classes.functions import Version, LastActivity, ContactInfo, HandleError
class QueryBot(slixmpp.ClientXMPP):
def __init__(self, jid, password, room, nick):
slixmpp.ClientXMPP.__init__(self, jid, password)
self.ssl_version = ssl.PROTOCOL_TLSv1_2
self.room = room
self.nick = nick
# session start event, starting point for the presence and roster requests
self.add_event_handler('session_start', self.start)
# register handler to recieve both groupchat and normal message events
self.add_event_handler('message', self.message)
def start(self, event):
"""
:param str event -- An empty dictionary. The session_start event does not provide any additional data.
"""
self.send_presence()
self.get_roster()
# If a room password is needed, use: password=the_room_password
for rooms in self.room.split(sep=","):
self.plugin['xep_0045'].join_muc(rooms, self.nick, wait=True)
def validate_domain(self, wordlist, index):
"""
validation method to reduce connection attemps to unvalid domains
:param wordlist: words seperated by " " from the message
:param index: keyword index inside the message
:return: true if valid
"""
# keyword inside the message
argument = wordlist[index]
# if the argument is not inside the no_arg_keywords target is index + 1
if argument not in StaticAnswers().keys(arg='list', keyword="no_arg_keywords"):
try:
target = wordlist[index + 1]
if validators.domain(target):
return True
except IndexError:
# except an IndexError if a keywords is the last word in the message
return False
elif argument in StaticAnswers().keys(arg='list', keyword="no_arg_keywords"):
return True
else:
return
def deduplicate(self, reply):
"""
deduplication method for the result list
:param list reply: list containing strings
:return: list containing unique strings
"""
reply_dedup = list()
for item in reply:
if item not in reply_dedup:
reply_dedup.append(item)
return reply_dedup
@asyncio.coroutine
def message(self, msg):
"""
:param msg: received message stanza
"""
# init empty reply list
reply = list()
# catch self messages to prevent self flooding
if msg['mucnick'] == self.nick:
return
elif self.nick in msg['body']:
# add pre predefined text to reply list
reply.append(StaticAnswers(msg['mucnick']).gen_answer())
# building the queue
# double splitting to exclude whitespaces
words = " ".join(msg['body'].split()).split(sep=" ")
queue = list()
# check all words in side the message for possible hits
for x in enumerate(words):
# check word for match in keywords list
for y in StaticAnswers().keys(arg='list'):
# if so queue the keyword and the postion in the string
if x[1] == y:
# only add job to queue if domain is valid
if self.validate_domain(words, x[0]):
queue.append({str(y): x[0]})
# queue
for job in queue:
for key in job:
keyword = key
index = job[key]
if keyword == '!help':
reply.append(StaticAnswers().gen_help())
try:
target = words[index + 1]
if keyword == '!uptime':
last_activity = yield from self['xep_0012'].get_last_activity(target)
reply.append(LastActivity(last_activity, msg, target).format_values())
elif keyword == "!version":
version = yield from self['xep_0092'].get_version(target)
reply.append(Version(version, msg, target).format_version())
elif keyword == "!contact":
contact = yield from self['xep_0030'].get_info(jid=target, cached=False)
reply.append(ContactInfo(contact, msg, target).format_contact())
except XMPPError as error:
reply.append(HandleError(error, msg, key, target).build_report())
# remove None type from list and send all elements
if list(filter(None.__ne__, reply)) and reply:
reply = self.deduplicate(reply)
self.send_message(mto=msg['from'].bare, mbody="\n".join(reply), mtype=msg['type'])
if __name__ == '__main__':
# command line arguments.
parser = ArgumentParser()
parser.add_argument('-q', '--quiet', help='set logging to ERROR', action='store_const', dest='loglevel',
const=logging.ERROR, default=logging.INFO)
parser.add_argument('-d', '--debug', help='set logging to DEBUG', action='store_const', dest='loglevel',
const=logging.DEBUG, default=logging.INFO)
parser.add_argument('-D', '--dev', help='set logging to console', action='store_const', dest='logfile', const="",
default='bot.log')
args = parser.parse_args()
# logging
logging.basicConfig(filename=args.logfile, level=args.loglevel, format='%(levelname)-8s %(message)s')
logger = logging.getLogger(__name__)
# configfile
config = configparser.RawConfigParser()
config.read('./bot.cfg')
args.jid = config.get('Account', 'jid')
args.password = config.get('Account', 'password')
args.room = config.get('MUC', 'rooms')
args.nick = config.get('MUC', 'nick')
# init the bot and register used slixmpp plugins
xmpp = QueryBot(args.jid, args.password, args.room, args.nick)
xmpp.register_plugin('xep_0012') # Last Activity
xmpp.register_plugin('xep_0030') # Service Discovery
xmpp.register_plugin('xep_0045') # Multi-User Chat
xmpp.register_plugin('xep_0060') # PubSub
xmpp.register_plugin('xep_0085') # Chat State Notifications
xmpp.register_plugin('xep_0092') # Software Version
xmpp.register_plugin('xep_0128') # Service Discovery Extensions
xmpp.register_plugin('xep_0199') # XMPP Ping
# connect and start receiving stanzas
xmpp.connect()
xmpp.process()