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#!/usr/bin/env python
#
# skyped.py
#
# Copyright (c) 2007, 2008 by Miklos Vajna <vmiklos@frugalware.org>
#
# It uses several code from a very basic python CLI interface, available at:
#
# http://forum.skype.com/index.php?showtopic=42640
#
# 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
#from exceptions import KeyboardInterrupt
__version__ = "0.1.1"
SKYPE_SERVICE = 'com.Skype.API'
CLIENT_NAME = 'SkypeApiPythonShell'
def eh(type, value, tb):
if type == KeyboardInterrupt:
sys.exit("Exiting.")
print_exception(type, value, tb)
sys.exit(1)
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:
input = fd.recv(1024)
for i in input.split("\n"):
skype.send(i.strip())
return True
def idle_handler(skype):
try:
skype.skype.SendCommand(skype.skype.Command(-1, "PING"))
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.Attach()
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()
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