#!/bin/env python

# -*- coding: utf-8 -*-

# ------------------------------------------------------------

# opensecurityd

# 

# the opensecurityd as RESTful server

#

# Autor: Oliver Maurhart, <oliver.maurhart@ait.ac.at>

#

# Copyright (C) 2013 AIT Austrian Institute of Technology

# AIT Austrian Institute of Technology GmbH

# Donau-City-Strasse 1 | 1220 Vienna | Austria

# http://www.ait.ac.at

#

# 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 version 2.

# 

# 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., 51 Franklin Street, Fifth Floor, 

# Boston, MA  02110-1301, USA.

# ------------------------------------------------------------

# ------------------------------------------------------------

# imports

import os

import os.path

import subprocess

import sys

import web

from vmmanager import VMManager

# local

from environment import Environment

# ------------------------------------------------------------

# const

__version__ = "0.1"

"""All the URLs we know mapping to class handler"""

opensecurity_urls = (

    '/device_change',           'os_device_change',     # http://localhost:8080/device_change           GET

    '/sdvm_started',            'os_sdvm_started',      # http://localhost:8080/sdvm_started            GET

    '/sdvms',                   'os_sdvms',             # http://localhost:8080/sdvms                   GET, PUT

    '/sdvms/(.*)/ip',           'os_sdvm_ip',           # http://localhost:8080/sdvms/[VMNAME]/ip       GET

    '/sdvms/(.*)/start',        'os_sdvm_start',        # http://localhost:8080/sdvms/[VMNAME]/start    GET

    '/sdvms/(.*)/stop',         'os_sdvm_stop',         # http://localhost:8080/sdvms/[VMNAME]/stop     GET

    '/sdvms/(.*)',              'os_sdvm',              # http://localhost:8080/sdvms/[VMNAME]          GET, DELETE

    '/vms',                     'os_vms',               # http://localhost:8080/vms                     GET

    '/vms/(.*)',                'os_vm',                # http://localhost:8080/vms/[VMNAME]            GET

    '/',                        'os_root'               # http://localhost:8080/                        GET

)

# ------------------------------------------------------------

# vars

# Global VMManager instance

gvm_mgr = VMManager()

# ------------------------------------------------------------

# code

class os_device_change:

    """OpenSecurity '/device_change' handler"""

    def GET(self):

        gvm_mgr.handleDeviceChange()

        return "os_device_change"

class os_sdvm_started:

    """OpenSecurity '/sdvm_started' handler"""

    def GET(self):

        # self.request get address

        return "os_sdvm_started"

class os_sdvm:

    """OpenSecurity '/sdvms/[VM]' handler"""

    def GET(self, name):

        return gvm_mgr.getVMInfo(name)

    def DELETE(self, name):

        return gvm_mgr.removeVM(name)

class os_sdvm_ip:

    """OpenSecurity '/sdvms/[VM]/ip' handler"""

    def GET(self, name):

        return gvm_mgr.getHostOnlyIP(name)

class os_sdvm_start:

    """OpenSecurity '/sdvms/[VM]/start' handler"""

    def GET(self, name):

        return gvm_mgr.startVM(name)

class os_sdvm_stop:

    """OpenSecurity '/sdvms/[VM]/stop' handler"""

    def GET(self, name):

        return gvm_mgr.stopVM(name)

class os_sdvms:

    """OpenSecurity '/sdvms' handler"""

    def GET(self):

        """get the list of SDVMs"""

        return gvm_mgr.listSDVM() 

    def PUT(self):

        """create a new SDVM"""

        # get a new vm-name

        name = gvm_mgr.generateSDVMName()

        try:

            gvm_mgr.createVM(name)

        except:

            raise web.internalerror()

        return name

class os_vm:

    """OpenSecurity '/vms/[VM]' handler"""

    def GET(self, name):

        return gvm_mgr.getVMInfo(name)

class os_vms:

    """OpenSecurity '/vms' handler"""

    def GET(self):

        return gvm_mgr.listVM() 

class os_root:

    """OpenSecurity '/' handler"""

    def GET(self):

        res = "'os_server': { "

        res += "'version': '" + __version__ + "', "

        res += "'machine_folder': '" + gvm_mgr.getDefaultMachineFolder() + "' "

        res += "}"

        return res

# start

if __name__ == "__main__":

    server = web.application(opensecurity_urls, globals())

    server.run()