# ***** BEGIN LICENSE BLOCK *****
# Version: MPL 1.1/GPL 2.0/LGPL 2.1
#
# The contents of this file are subject to the Mozilla Public License Version
# 1.1 (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
# http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
# for the specific language governing rights and limitations under the
# License.
#
# The Original Code is Sync Server
#
# The Initial Developer of the Original Code is Mozilla Foundation.
# Portions created by the Initial Developer are Copyright (C) 2010
# the Initial Developer. All Rights Reserved.
#
# Contributor(s):
#   Tarek Ziade (tarek@mozilla.com)
#
# Alternatively, the contents of this file may be used under the terms of
# either the GNU General Public License Version 2 or later (the "GPL"), or
# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
# in which case the provisions of the GPL or the LGPL are applicable instead
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# ***** END LICENSE BLOCK *****
"""
Static controller that serve files.

XXX DO NOT USE IN PRODUCTION -- USE AN APACHE ALIAS INSTEAD

This controller will fully load files it serves in memory.
"""
import os
from mimetypes import guess_type

from webob.exc import HTTPNotFound
from webob import Response

_STATIC_DIR = os.path.join(os.path.dirname(__file__), '..', 'static')


class StaticController(object):
    """Used to return static files
    """
    def __init__(self, app):
        self.app = app

    def get_file(self, request):
        """Returns a file located in the static/ directory."""
        filename = request.sync_info['filename']
        path = os.path.join(_STATIC_DIR, filename)
        if not os.path.exists(path):
            raise HTTPNotFound()

        with open(path) as f:
            data = f.read()

        __, content_type = guess_type(filename)
        return Response(data, content_type=content_type)
