Added RSA key generator for register_host.py

remoting/tools/register_host.py

 #!/usr/bin/env python
 #
 # Copyright (c) 2010 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 #
 # register_host.py registers new hosts in chromoting directory. It
 # asks for username/password and then writes these settings to config file.
 
 import getpass
 import os
 import urllib
 import urllib2
 import uuid
 import socket
 import sys
 
 import gaia_auth
+import keygen
 
 server = 'www-googleapis-test.sandbox.google.com'
 url = 'http://' + server + '/chromoting/v1/@me/hosts'
 
 settings_filepath = os.path.join(os.path.expanduser('~'),
                                  '.ChromotingConfig.json')
 
 print "Email:",
 email = raw_input()
 password = getpass.getpass("Password: ")
 
 xapi_auth = gaia_auth.GaiaAuthenticator('xapi')
 xapi_token = xapi_auth.authenticate(email, password)
 
 host_id = str(uuid.uuid1())
 print "HostId:", host_id
 host_name = socket.gethostname()
 print "HostName:", host_name
-# TODO(sergeyu): Implement keypair generation.
-public_key = '123123'
-jingle_id = ''
 
-#f = urllib.urlopen(url, params);
-#print params
+print "Generating RSA key pair...",
+(private_key, public_key) = keygen.generateRSAKeyPair()
+print "Done"
+
 params = ('{"data":{' + \
           '"host_id": "%(host_id)s",' + \
           '"host_name": "%(host_name)s",' + \
-          '"public_key": "%(public_key)s",' + \
-          '"jingle_id": "%(jingle_id)s"}}') % \
+          '"public_key": "%(public_key)s"}}') % \
           {'host_id': host_id, 'host_name': host_name,
-           'public_key': public_key, 'jingle_id': jingle_id}
+           'public_key': public_key}
 headers = {"Authorization": "GoogleLogin auth=" + xapi_token,
            "Content-Type": "application/json" }
 request = urllib2.Request(url, params, headers)
 
 opener = urllib2.OpenerDirector()
 opener.add_handler(urllib2.HTTPDefaultErrorHandler())
 
 print
 print "Registering host with directory service..."
 try:
@@ skipping 11 matching lines @@
 auth_token = authenticator.authenticate(email, password)
 
 # Write settings file.
 os.umask(0066) # Set permission mask for created file.
 settings_file = open(settings_filepath, 'w')
 settings_file.write('{\n');
 settings_file.write('  "xmpp_login" : "' + email + '",\n')
 settings_file.write('  "xmpp_auth_token" : "' + auth_token + '",\n')
 settings_file.write('  "host_id" : "' + host_id + '",\n')
 settings_file.write('  "host_name" : "' + host_name + '",\n')
-settings_file.write('  "public_key" : "' + public_key + '"\n')
+settings_file.write('  "private_key" : "' + private_key + '",\n')
 settings_file.write('}\n')
 settings_file.close()
 
 print 'Configuration saved in', settings_filepath