Automatically migrated from Gitolite
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

68 lines
3.3 KiB

import hmac, hashlib, base64, urllib
pubkey = "AKIAIOSFODNN7EXAMPLE"
privkey = "wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY"
def sign(key, message):
return hmac.new(key, message.encode('utf-8'), hashlib.sha1).digest()
class S3SignatureGenerator(object):
def set_keys(self, access_key, secret_key):
self.access_key = access_key
self.secret_key = secret_key
def generate(self, verb, bucket, path, headers=[], content_md5="", content_type=""):
date = ""
elements = [
verb,
content_md5,
content_type,
date
]
if len(headers) > 0:
elements.append(self.canonicalize_headers(headers))
elements.append(self.canonicalize_resource(bucket, path))
sts = "\n".join()
def canonicalize_resource(self, bucket=None, path="", subresources={}):
# TODO: Multi-object DELETE parameter?
if bucket is None:
result = "/%s/" % path
else:
result = "/%s%s" % (bucket, path)
if len(subresources) > 0:
subresources = sorted(subresources.items())
subresource_strings = []
for subresource, value in subresources:
if subresource in ("acl", "lifecycle", "location", "logging", "notification", "partNumber", "policy", "requestPayment", "torrent", "uploadId", "uploads", "versionId", "versioning", "versions", "website"):
if value is None:
subresource_strings.append(subresource)
else:
# Not sure if this is a correct implementation of the encoding...
if subresource not in ("response-content-type", "response-content-language", "response-expires", "response-cache-control", "response-content-disposition", "response-content-encoding"):
value = urllib.quote(str(value))
subresource_strings.append("%s=%s" % (subresource, value))
if len(subresource_strings) > 0: # Don't add this if there were no qualifying subresource specifiers
result += "?%s" % "&".join(subresource_strings)
return result
def canonicalize_headers(self, ):
pass
def sign(self, sts):
return base64.b64encode(hmac.new(self.secret_key, sts.encode("utf-8"), hashlib.sha1).digest())
s = S3SignatureGenerator()
print s.canonicalize_resource("testbucket", "/test/path", subresources={"torrent": None, "abc-id": 4})
#print "AWS %s:%s" % (pubkey, base64.b64encode(sign(privkey, sts)))