#!/usr/bin/env python # # skyped.py # # Copyright (c) 2007, 2008 by Miklos Vajna # # 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 # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, # USA. # import sys import os import signal import locale import time import gobject import socket import getopt import Skype4Py import sha from ConfigParser import ConfigParser from OpenSSL import SSL from traceback import print_exception __version__ = "0.1.1" SKYPE_SERVICE = 'com.Skype.API' CLIENT_NAME = 'SkypeApiPythonShell' def eh(type, value, tb): if type != KeyboardInterrupt: print_exception(type, value, tb) gobject.MainLoop().quit() skype.skype.Client.Shutdown() sys.exit("Exiting.") sys.excepthook = eh def input_handler(fd, io_condition): global options if options.buf: for i in options.buf: skype.send(i.strip()) options.buf = None else: try: input = fd.recv(1024) except SSL.SysCallError: return True for i in input.split("\n"): skype.send(i.strip()) return True def idle_handler(skype): try: c = skype.skype.Command("PING", Block=True) skype.skype.SendCommand(c) except Skype4Py.SkypeAPIError, s: dprint("Warning, pinging Skype failed (%s)." % (s)) time.sleep(2) return True def server(host, port): global options ctx = SSL.Context(SSL.TLSv1_METHOD) ctx.use_privatekey_file(options.config.sslkey) ctx.use_certificate_file(options.config.sslcert) sock = SSL.Connection(ctx, socket.socket()) sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) sock.bind((host, port)) sock.listen(1) gobject.io_add_watch(sock, gobject.IO_IN, listener) def listener(sock, *args): global options options.conn, addr = sock.accept() ret = 0 line = options.conn.recv(1024) if line.startswith("USERNAME") and line.split(' ')[1].strip() == options.config.username: ret += 1 line = options.conn.recv(1024) if line.startswith("PASSWORD") and sha.sha(line.split(' ')[1].strip()).hexdigest() == options.config.password: ret += 1 if ret == 2: dprint("Username and password OK.") options.conn.send("PASSWORD OK\n") gobject.io_add_watch(options.conn, gobject.IO_IN, input_handler) return True else: dprint("Username and/or password WRONG.") options.conn.send("PASSWORD KO\n") return False def dprint(msg): global options if options.debug: print msg class SkypeApi(): def __init__(self): self.skype = Skype4Py.Skype() self.skype.OnNotify = self.recv self.skype.Client.Start() def recv(self, msg_text): global options if msg_text == "PONG": return if "\n" in msg_text: # crappy skype prefixes only the first line for # multiline messages so we need to do so for the other # lines, too. this is something like: # 'CHATMESSAGE id BODY first line\nsecond line' -> # 'CHATMESSAGE id BODY first line\nCHATMESSAGE id BODY second line' prefix = " ".join(msg_text.split(" ")[:3]) msg_text = ["%s %s" % (prefix, i) for i in " ".join(msg_text.split(" ")[3:]).split("\n")] else: msg_text = [msg_text] for i in msg_text: # use utf-8 here to solve the following problem: # people use env vars like LC_ALL=en_US (latin1) then # they complain about why can't they receive latin2 # messages.. so here it is: always use utf-8 then # everybody will be happy e = i.encode('UTF-8') dprint('<< ' + e) if options.conn: try: options.conn.send(e + "\n") except IOError, s: dprint("Warning, sending '%s' failed (%s)." % (e, s)) def send(self, msg_text): if not len(msg_text): return e = msg_text.decode(locale.getdefaultlocale()[1]) dprint('>> ' + e) try: c = self.skype.Command(e, Block=True) self.skype.SendCommand(c) self.recv(c.Reply) except Skype4Py.SkypeError: pass except Skype4Py.SkypeAPIError, s: dprint("Warning, sending '%s' failed (%s)." % (e, s)) class Options: def __init__(self): self.cfgpath = "/usr/local/etc/skyped/skyped.conf" self.daemon = True self.debug = False self.help = False self.host = "0.0.0.0" self.port = 2727 self.version = False # well, this is a bit hackish. we store the socket of the last connected client # here and notify it. maybe later notify all connected clients? self.conn = None # this will be read first by the input handler self.buf = None def usage(self, ret): print """Usage: skyped [OPTION]... skyped is a daemon that acts as a tcp server on top of a Skype instance. Options: -c --config path to configuration file (default: %s) -d --debug enable debug messages -h --help this help -H --host set the tcp host (default: %s) -n --nofork don't run as daemon in the background -p --port set the tcp port (default: %d) -v --version display version information""" % (self.cfgpath, self.host, self.port) sys.exit(ret) if __name__=='__main__': options = Options() try: opts, args = getopt.getopt(sys.argv[1:], "c:dhH:np:v", ["config=", "daemon", "help", "host=", "nofork", "port=", "version"]) except getopt.GetoptError: options.usage(1) for opt, arg in opts: if opt in ("-c", "--config"): options.cfgpath = arg elif opt in ("-d", "--debug"): options.debug = True elif opt in ("-h", "--help"): options.help = True elif opt in ("-H", "--host"): options.host = arg elif opt in ("-n", "--nofork"): options.daemon = False elif opt in ("-p", "--port"): options.port = arg elif opt in ("-v", "--version"): options.version = True if options.help: options.usage(0) elif options.version: print "skyped %s" % __version__ sys.exit(0) # parse our config if not os.path.exists(options.cfgpath): print "Can't find configuration file at '%s'." % options.cfgpath print "Use the -c option to specify an alternate one." sys.exit(1) options.config = ConfigParser() options.config.read(options.cfgpath) options.config.username = options.config.get('skyped', 'username').split('#')[0] options.config.password = options.config.get('skyped', 'password').split('#')[0] options.config.sslkey = options.config.get('skyped', 'key').split('#')[0] options.config.sslcert = options.config.get('skyped', 'cert').split('#')[0] dprint("Parsing config file '%s' done, username is '%s'." % (options.cfgpath, options.config.username)) if options.daemon: pid = os.fork() if pid == 0: nullin = file('/dev/null', 'r') nullout = file('/dev/null', 'w') os.dup2(nullin.fileno(), sys.stdin.fileno()) os.dup2(nullout.fileno(), sys.stdout.fileno()) os.dup2(nullout.fileno(), sys.stderr.fileno()) else: print 'skyped is started on port %s, pid: %d' % (options.port, pid) sys.exit(0) server(options.host, options.port) try: skype = SkypeApi() except Skype4Py.SkypeAPIError, s: sys.exit("%s. Are you sure you have started Skype?" % s) gobject.idle_add(idle_handler, skype) gobject.MainLoop().run()