swift/bin/swift-form-signature
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

84 lines
3.4 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) != 7:
prog = basename(argv[0])
print 'Syntax: %s <path> <redirect> <max_file_size> ' \
'<max_file_count> <seconds> <key>' % prog
print
print 'Where:'
print ' <path> The prefix to use for form uploaded'
print ' objects. For example:'
print ' /v1/account/container/object_prefix_ would'
print ' ensure all form uploads have that path'
print ' prepended to the browser-given file name.'
print ' <redirect> The URL to redirect the browser to after'
print ' the uploads have completed.'
print ' <max_file_size> The maximum file size per file uploaded.'
print ' <max_file_count> The maximum number of uploaded files'
print ' allowed.'
print ' <seconds> The number of seconds from now to allow'
print ' the form post to begin.'
print ' <key> The X-Account-Meta-Temp-URL-Key for the'
print ' account.'
print
print 'Example output:'
print ' Expires: 1323842228'
print ' Signature: 18de97e47345a82c4dbfb3b06a640dbb'
exit(1)
path, redirect, max_file_size, max_file_count, seconds, key = argv[1:]
try:
max_file_size = int(max_file_size)
except ValueError:
max_file_size = -1
if max_file_size < 0:
print 'Please use a <max_file_size> value greater than or equal to 0.'
exit(1)
try:
max_file_count = int(max_file_count)
except ValueError:
max_file_count = 0
if max_file_count < 1:
print 'Please use a positive <max_file_count> value.'
exit(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 four parts, ['', 'v1', 'a', 'c'], must be a v1 request, have
# account and container values, and optionally have an object prefix.
if len(parts) < 4 or parts[0] or parts[1] != 'v1' or not parts[2] or \
not parts[3]:
print '<path> must point to a container at least.'
print 'For example: /v1/account/container'
print ' Or: /v1/account/container/object_prefix'
exit(1)
sig = hmac.new(key, '%s\n%s\n%s\n%s\n%s' % (path, redirect, max_file_size,
max_file_count, expires),
sha1).hexdigest()
print ' Expires:', expires
print 'Signature:', sig