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# Copyright (c) 2012 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.
from fnmatch import fnmatch
import mimetypes
import os
from file_system import FileNotFoundError
import compiled_file_system as compiled_fs
STATIC_DIR_PREFIX = 'docs'
DOCS_PATH = 'docs'
class ServerInstance(object):
"""This class is used to hold a data source and fetcher for an instance of a
server. Each new branch will get its own ServerInstance.
"""
def __init__(self,
template_data_source_factory,
example_zipper,
cache_factory):
self._template_data_source_factory = template_data_source_factory
self._example_zipper = example_zipper
self._cache = cache_factory.Create(lambda _, x: x, compiled_fs.STATIC)
mimetypes.init()
def _FetchStaticResource(self, path, response):
"""Fetch a resource in the 'static' directory.
"""
try:
result = self._cache.GetFromFile(STATIC_DIR_PREFIX + '/' + path)
except FileNotFoundError:
return None
base, ext = os.path.splitext(path)
response.headers['content-type'] = mimetypes.types_map[ext]
return result
def Get(self, path, request, response):
# TODO(cduvall): bundle up all the request-scoped data into a single object.
templates = self._template_data_source_factory.Create(request, path)
content = None
if fnmatch(path, 'extensions/examples/*.zip'):
try:
content = self._example_zipper.Create(
path[len('extensions/'):-len('.zip')])
response.headers['content-type'] = mimetypes.types_map['.zip']
except FileNotFoundError:
content = None
elif path.startswith('extensions/examples/'):
try:
content = self._cache.GetFromFile(
'%s/%s' % (DOCS_PATH, path[len('extensions/'):]))
response.headers['content-type'] = 'text/plain'
except FileNotFoundError:
content = None
elif path.startswith('static/'):
content = self._FetchStaticResource(path, response)
elif path.endswith('.html'):
content = templates.Render(path)
response.headers['x-frame-options'] = 'sameorigin'
if content:
response.headers['cache-control'] = 'max-age=300'
response.out.write(content)
else:
response.set_status(404);
response.out.write(templates.Render('404'))
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