swift/bin/swift-temp-url
Monty Taylor 5a785aa5ee Add missing copyright license headers
We're working on adding enforcement that things have appropriate
copyright license headers. In anticipation of that, fix the files that don't
have them.

Change-Id: Ie0a9fd5eece5b6671ff4389b07b69ca29be7d017
2013-08-07 17:50:32 -03:00

68 lines
2.7 KiB
Python
Executable File

#!/usr/bin/env python
# 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 hmac
from hashlib import sha1
from os.path import basename
from sys import argv, exit
from time import time
if __name__ == '__main__':
if len(argv) != 5:
prog = basename(argv[0])
print 'Syntax: %s <method> <seconds> <path> <key>' % prog
print
print 'Where:'
print ' <method> The method to allow; GET for example.'
print ' <seconds> The number of seconds from now to allow requests.'
print ' <path> The full path to the resource.'
print ' Example: /v1/AUTH_account/c/o'
print ' <key> The X-Account-Meta-Temp-URL-Key for the account.'
print
print 'Example output:'
print ' /v1/AUTH_account/c/o?temp_url_sig=34d49efc32fe6e3082e411e' \
'eeb85bd8a&temp_url_expires=1323482948'
print
print 'This can be used to form a URL to give out for the access '
print 'allowed. For example:'
print ' echo https://swift-cluster.example.com`%s GET 60 ' \
'/v1/AUTH_account/c/o mykey`' % prog
print
print 'Might output:'
print ' https://swift-cluster.example.com/v1/AUTH_account/c/o?' \
'temp_url_sig=34d49efc32fe6e3082e411eeeb85bd8a&' \
'temp_url_expires=1323482948'
exit(1)
method, seconds, path, key = argv[1:]
try:
expires = int(time() + int(seconds))
except ValueError:
expires = 0
if expires < 1:
print 'Please use a positive <seconds> value.'
exit(1)
parts = path.split('/', 4)
# Must be five parts, ['', 'v1', 'a', 'c', 'o'], must be a v1 request, have
# account, container, and object values, and the object value can't just
# have '/'s.
if len(parts) != 5 or parts[0] or parts[1] != 'v1' or not parts[2] or \
not parts[3] or not parts[4].strip('/'):
print '<path> must point to an object.'
print 'For example: /v1/account/container/object'
exit(1)
sig = hmac.new(key, '%s\n%s\n%s' % (method, expires, path),
sha1).hexdigest()
print '%s?temp_url_sig=%s&temp_url_expires=%s' % (path, sig, expires)