vcycle-cgi

#!/usr/bin/python
#
#  vcycle-cgi - Accept HTTP PUT requests of /etc/machineoutputs files
#
#  Andrew McNab, University of Manchester.
#  Copyright (c) 2013-4. All rights reserved.
#
#  Redistribution and use in source and binary forms, with or
#  without modification, are permitted provided that the following
#  conditions are met:
#
#    o Redistributions of source code must retain the above
#      copyright notice, this list of conditions and the following
#      disclaimer. 
#    o Redistributions in binary form must reproduce the above
#      copyright notice, this list of conditions and the following
#      disclaimer in the documentation and/or other materials
#      provided with the distribution. 
#
#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
#  CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
#  INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
#  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
#  BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
#  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
#  TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
#  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
#  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
#  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
#  OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
#  POSSIBILITY OF SUCH DAMAGE.
#

import os
import sys

import VCYCLE

if VCYCLE.readConf(requirePassword=False) is not None:
  print 'Status: 500 Internal Server Error (1)'
  print
  print VCYCLE.readConf(requirePassword=False)
  sys.exit(0)

try:
  (hostName, fileName) = os.environ['REQUEST_URI'].replace('//','/').split('/')[2:4]
except:
  print 'Status: 404 Not Found(1)'
  print
  sys.exit(0)

#if (subDirectory != 'machineoutputs' or 
#    not os.path.isdir('/var/lib/vcycle/machines/' + hostName + '/machineoutputs')):
#  print 'Status: 404 Not Found(2)'
#  print
#  sys.exit(0)

#try:
#  tenancyName = open('/var/lib/vcycle/machines/' + hostName + '/tenancy_name', 'r').read()
#  vmtypeName  = open('/var/lib/vcycle/machines/' + hostName + '/vmtype_name', 'r').read()
#except:
#  print 'Status: 500 Internal Server Error (2)'
#  print
#  sys.exit(0)

#if ('SSL_CLIENT_S_DN' not in os.environ or
#    tenancyName not in VCYCLE.tenancies or
#    vmtypeName not in VCYCLE.tenancies[tenancyName]['vmtypes'] or 
#    'x509dn' not in VCYCLE.tenancies[tenancyName]['vmtypes'][vmtypeName] or 
#    os.environ['SSL_CLIENT_S_DN'] != VCYCLE.tenancies[tenancyName]['vmtypes'][vmtypeName]['x509dn']):
#  print 'Status: 403 Forbidden'
#  print
#  sys.exit(0)

try:
  f = open('/var/lib/vcycle/machines/' + hostName + '/machineoutputs/' + fileName, 'w')
  f.write(sys.stdin.read())  
  f.close()
except:
  print 'Status: 500 Internal Server Error (3)'
  print
else:
  print 'Status: 200 OK'  
  print