63 lines
1.8 KiB
Python
63 lines
1.8 KiB
Python
#!/usr/bin/python
|
|
#
|
|
# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
|
|
import cgi
|
|
import os
|
|
import time
|
|
|
|
import magic
|
|
|
|
|
|
def parse_param(env, name, default=None):
|
|
parameters = cgi.parse_qs(env.get('QUERY_STRING', ''))
|
|
if name in parameters:
|
|
return cgi.escape(parameters[name][0])
|
|
else:
|
|
return default
|
|
|
|
|
|
def get_file_mime(file_path):
|
|
"""Get the file mime using libmagic."""
|
|
|
|
if not os.path.isfile(file_path):
|
|
return None
|
|
|
|
if hasattr(magic, 'from_file'):
|
|
return magic.from_file(file_path, mime=True)
|
|
else:
|
|
# no magic.from_file, we might be using the libmagic bindings
|
|
m = magic.open(magic.MAGIC_MIME)
|
|
m.load()
|
|
return m.file(file_path).split(';')[0]
|
|
|
|
|
|
def get_headers_for_file(file_path):
|
|
"""Get some headers for a real (on-disk) file.
|
|
|
|
In a format similar to fetching from swift.
|
|
"""
|
|
|
|
resp = {}
|
|
resp['content-length'] = str(os.stat(file_path).st_size)
|
|
resp['accept-ranges'] = 'bytes'
|
|
resp['last-modified'] = time.strftime(
|
|
"%a, %d %b %Y %H:%M:%S GMT", time.gmtime(os.path.getmtime(file_path)))
|
|
resp['etag'] = ''
|
|
resp['x-trans-id'] = str(time.time())
|
|
resp['date'] = time.strftime("%a, %d %b %Y %H:%M:%S GMT")
|
|
resp['content-type'] = get_file_mime(file_path)
|
|
return resp
|