roar/pngbot.py
2018-01-02 23:38:32 +01:00

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#!/usr/bin/env python3
#
# mirc2png -- convert ASCII w/ mIRC control codes to monospaced PNG (for EFnet #MiRCART)
# Copyright (c) 2018 Lucio Andrés Illanes Albornoz <lucio@lucioillanes.de>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
#
from itertools import chain
import base64
import json
import mirc2png
import os, socket, sys, time
import requests
import urllib.request
class IrcBot:
"""Blocking abstraction over the IRC protocol"""
serverHname = serverPort = None;
clientNick = clientIdent = clientGecos = None;
clientSocket = clientSocketFile = None;
# {{{ connect(): Connect to server and register
def connect(self):
self.clientSocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.clientSocket.connect((self.serverHname, int(self.serverPort)))
self.clientSocketFile = self.clientSocket.makefile()
self.sendline("NICK", self.clientNick)
self.sendline("USER", self.clientIdent, "0", "0", self.clientGecos)
# }}}
# {{{ close(): Close connection to server
def close(self):
if self.clientSocket != None:
self.clientSocket.close()
self.clientSocket = self.clientSocketFile = None;
# }}}
# {{{ readline(): Read and parse single line from server into canonicalised list
def readline(self):
msg = self.clientSocketFile.readline()
if len(msg):
msg = msg.rstrip("\r\n")
else:
return None
msg = msg.split(" :", 1)
if len(msg) == 1:
msg = list(chain.from_iterable(m.split(" ") for m in msg))
elif len(msg) == 2:
msg = msg[0].split(" ") + [msg[1]]
if msg[0][0] == ':':
msg = [msg[0][1:]] + msg[1:]
else:
msg = [""] + msg[1:]
return msg
# }}}
# {{{ sendline(): Parse and send single line to server from list
def sendline(self, *args):
msg = ""; argNumMax = len(args);
for argNum in range(0, argNumMax):
if argNum == (argNumMax - 1):
msg += ":" + args[argNum]
else:
msg += args[argNum] + " "
return self.clientSocket.send((msg + "\r\n").encode())
# }}}
# {{{ Initialisation method
def __init__(self, serverHname, serverPort, clientNick, clientIdent, clientGecos):
self.serverHname = serverHname; self.serverPort = serverPort;
self.clientNick = clientNick; self.clientIdent = clientIdent; self.clientGecos = clientGecos;
# }}}
class IrcMiRCARTBot(IrcBot):
"""IRC<->MiRCART bot"""
clientChannelLastMessage = clientChannelOps = clientChannel = None
# {{{ connect(): Connect to server and (re)initialise
def connect(self):
print("Connecting to {}:{}...".format(self.serverHname, self.serverPort))
super().connect()
print("Connected to {}:{}.".format(self.serverHname, self.serverPort))
print("Registering on {}:{} as {}, {}, {}...".format(self.serverHname, self.serverPort, self.clientNick, self.clientIdent, self.clientGecos))
self.clientLastMessage = 0; self.clientChannelOps = [];
# }}}
# {{{ dispatchNone(): Dispatch None message from server
def dispatchNone(self):
print("Disconnected from {}:{}.".format(self.serverHname, self.serverPort))
self.close()
# }}}
# {{{ dispatch001(): Dispatch single 001 (RPL_WELCOME)
def dispatch001(self, message):
print("Registered on {}:{} as {}, {}, {}.".format(self.serverHname, self.serverPort, self.clientNick, self.clientIdent, self.clientGecos))
print("Joining {} on {}:{}...".format(self.clientChannel, self.serverHname, self.serverPort))
self.sendline("JOIN", self.clientChannel)
# }}}
# {{{ dispatch353(): Dispatch single 353 (RPL_NAMREPLY)
def dispatch353(self, message):
if message[4].lower() == self.clientChannel.lower():
for channelNickSpec in message[5].split(" "):
if channelNickSpec[0] == "@" \
and len(channelNickSpec[1:]):
self.clientChannelOps.append(channelNickSpec[1:].lower())
print("Authorising {} on {}".format(channelNickSpec[1:].lower(), message[4].lower()))
# }}}
# {{{ dispatchMode(): Dispatch single MODE message from server
def dispatchMode(self, message):
if message[2].lower() == self.clientChannel.lower():
channelModeType = "+"; channelModeArg = 4;
channelAuthAdd = ""; channelAuthDel = "";
for channelModeChar in message[3]:
if channelModeChar[0] == "-":
channelModeType = "-"
elif channelModeChar[0] == "+":
channelModeType = "+"
elif channelModeChar[0].isalpha():
if channelModeChar[0] == "o":
if channelModeType == "+":
channelAuthAdd = message[channelModeArg]; channelAuthDel = "";
elif channelModeType == "-":
channelAuthAdd = ""; channelAuthDel = message[channelModeArg];
channelModeArg += 1
if len(channelAuthAdd) \
and channelAuthAdd not in self.clientChannelOps:
channelAuthAdd = channelAuthAdd.lower()
print("Authorising {} on {}".format(channelAuthAdd, message[2].lower()))
self.clientChannelOps.append(channelAuthAdd)
elif len(channelAuthDel) \
and channelAuthDel in self.clientChannelOps:
channelAuthDel = channelAuthDel.lower()
print("Deauthorising {} on {}".format(channelAuthDel, message[2].lower()))
self.clientChannelOps.remove(channelAuthDel)
# }}}
# {{{ dispatchPing(): Dispatch single PING message from server
def dispatchPing(self, message):
self.sendline("PONG", message[2])
# }}}
# {{{ dispatchPrivmsg(): Dispatch single PRIVMSG message from server
def dispatchPrivmsg(self, message):
if message[2].lower() == self.clientChannel.lower() \
and message[3].startswith("!pngbot "):
if (int(time.time()) - self.clientLastMessage) < 45:
print("Ignoring request on {} from {} due to rate limit: {}".format(message[2].lower(), message[0], message[3]))
return
elif message[0].split("!")[0].lower() not in self.clientChannelOps:
print("Ignoring request on {} from {} due to lack of authorisation: {}".format(message[2].lower(), message[0], message[3]))
return
else:
print("Processing request on {} from {}: {}".format(message[2].lower(), message[0], message[3]))
self.clientLastMessage = int(time.time())
asciiUrl = message[3].split(" ")[1]
asciiTmpFilePath = "tmp.txt"; imgTmpFilePath = "tmp.png";
if os.path.isfile(asciiTmpFilePath):
os.remove(asciiTmpFilePath)
if os.path.isfile(imgTmpFilePath):
os.remove(imgTmpFilePath)
urllib.request.urlretrieve(asciiUrl, asciiTmpFilePath)
_MiRCART = mirc2png.MiRCART(asciiTmpFilePath, imgTmpFilePath, "DejaVuSansMono.ttf", 11)
imgurResponse = self.uploadToImgur(imgTmpFilePath, "MiRCART image", "MiRCART image", "c9a6efb3d7932fd")
if imgurResponse[0] == 200:
print("Uploaded as: {}".format(imgurResponse[1]))
self.sendline("PRIVMSG", message[2], "8/!\\ Uploaded as: {}".format(imgurResponse[1]))
else:
print("Upload failed with HTTP status code {}".format(imgurResponse[0]))
self.sendline("PRIVMSG", message[2], "4/!\\ Uploaded failed with HTTP status code {}!".format(imgurResponse[0]))
if os.path.isfile(asciiTmpFilePath):
os.remove(asciiTmpFilePath)
if os.path.isfile(imgTmpFilePath):
os.remove(imgTmpFilePath)
# }}}
# {{{ dispatch(): Read, parse, and dispatch single line from server
def dispatch(self):
while True:
serverMessage = self.readline()
if serverMessage == None:
self.dispatchNone(); break;
elif serverMessage[1] == "001":
self.dispatch001(serverMessage)
elif serverMessage[1] == "353":
self.dispatch353(serverMessage)
elif serverMessage[1] == "MODE":
self.dispatchMode(serverMessage)
elif serverMessage[1] == "PING":
self.dispatchPing(serverMessage)
elif serverMessage[1] == "PRIVMSG":
self.dispatchPrivmsg(serverMessage)
# }}}
# {{{ uploadToImgur(): Upload single file to Imgur
def uploadToImgur(self, imgFilePath, imgName, imgTitle, apiKey):
requestImageData = open(imgFilePath, "rb").read()
requestData = { \
"image": base64.b64encode(requestImageData), \
"key": apiKey, \
"name": imgName, \
"title": imgTitle, \
"type": "base64"}
requestHeaders = { \
"Authorization": "Client-ID " + apiKey}
responseHttp = requests.post("https://api.imgur.com/3/upload.json", data=requestData, headers=requestHeaders)
responseDict = json.loads(responseHttp.text)
if responseHttp.status_code == 200:
return [200, responseDict.get("data").get("link")]
else:
return [responseHttp.status_code]
# }}}
# {{{ Initialisation method
def __init__(self, serverHname, serverPort="6667", clientNick="pngbot", clientIdent="pngbot", clientGecos="pngbot", clientChannel="#MiRCART"):
super().__init__(serverHname, serverPort, clientNick, clientIdent, clientGecos)
self.clientChannel = clientChannel
# }}}
#
# Entry point
def main(*argv):
_IrcMiRCARTBot = IrcMiRCARTBot(*argv[1:])
while True:
_IrcMiRCARTBot.connect()
_IrcMiRCARTBot.dispatch()
_IrcMiRCARTBot.close()
if __name__ == "__main__":
if ((len(sys.argv) - 1) < 1)\
or ((len(sys.argv) - 1) > 4):
print("usage: {} " \
"<IRC server hostname> " \
"[<IRC server port; defaults to 6667>] " \
"[<IRC bot nick name; defaults to pngbot>] " \
"[<IRC bot user name; defaults to pngbot>] " \
"[<IRC bot real name; defaults to pngbot>] " \
"[<IRC bot channel name; defaults to #MiRCART>] ".format(sys.argv[0]), file=sys.stderr)
else:
main(*sys.argv)
# vim:expandtab foldmethod=marker sw=8 ts=8 tw=120