~azzar1/unity/add-show-desktop-key

# IVLE

# Copyright (C) 2007-2008 The University of Melbourne

#

# 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

# App: server

# Author: Tom Conway

# Date: 13/12/2007

# Serves content to the user (acting as a web server for students files).

# For most file types we just serve the static file, but

# for python files, we evaluate the python script inside

# our safe execution environment.

from common import util

import conf

import mimetypes

import os

def handle(req):

    """Handler for the Server application which serves pages."""

    if req.path.endswith('.py'):

        raise Exception, "executing python not done yet!"

    # We're expecting paths are all of the form <usr>/...

    parts = req.path.split(os.sep)

    if len(parts) == 0:

        raise Exception, "empty path!"

    usr = parts[0]

    # The corresponding file on the filesystem

    path = os.path.join(conf.student_dir, usr, 'home', req.path)

    mimetypes.init()

    (type, encoding) = mimetypes.guess_type(path)

    if type == None:

        type = 'text/plain'

    # Set request attributes

    req.content_type = type

    if encoding != None:

        req.content_encoding = encoding

    req.write_html_head_foot = False

    req.sendfile(path)