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Author SHA1 Message Date
Sven Slootweg 2e421ed9be Example config 10 years ago
Sven Slootweg 6dc5e6d0c2 Work-in-progress application skeleton 10 years ago
Sven Slootweg bb95df8d25 Some test code for XML generation with ElementMaker 10 years ago
Sven Slootweg d41ed4103f Work-in-progress S3 request canocalization and signing 10 years ago
Sven Slootweg 7bce092ad5 Update gitignore 10 years ago

2
.gitignore vendored

@ -1 +1,3 @@
*.pyc
venv
config.yaml

@ -0,0 +1,5 @@
mysql:
hostname: localhost
username: root
password: ""
database: tahoes3

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import lxml
import tornado.httpserver
import tornado.ioloop
import tornado.options
import tornado.web
from tornado.options import define, options
define("port", default=8888, help="run on the given port", type=int)
class ServiceHandler(tornado.web.RequestHandler):
def get(self):
E = ElementMaker(namespace="http://doc.s3.amazonaws.com/2006-03-01", nsmap=NSMAP)
Et = ElementMaker(namespace="http://doc.cryto.net/xml/tahoe-s3", nsmap=NSMAP)
buckets = []
doc = E.ListAllMyBucketsResult(
E.Owner(
E.Id("bcaf1ffd86f461ca5fb16fd081034f"),
E.DisplayName("webfile")
),
E.Buckets(
*buckets
)
)
if __name__ == "__main__":
routes = [
(r"/", ServiceHandler)
]
tornado.options.parse_command_line()
app = tornado.web.Application(handlers=routes)
http_server = tornado.httpserver.HTTPServer(app)
http_server.listen(options.port)
tornado.ioloop.IOLoop.instance().start()

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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)))

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from lxml.builder import ElementMaker
from lxml import etree
NSMAP = {None: "http://doc.s3.amazonaws.com/2006-03-01", "tahoe": "http://doc.cryto.net/xml/tahoe-s3"}
E = ElementMaker(namespace="http://doc.s3.amazonaws.com/2006-03-01", nsmap=NSMAP)
Et = ElementMaker(namespace="http://doc.cryto.net/xml/tahoe-s3", nsmap=NSMAP)
buckets = (
E.Bucket(
E.Name("quotes"),
E.CreationDate("2006-02-03T16:45:09.000Z"),
Et.ReadCapability("ABC23423346"),
Et.WriteCapability("H98NG3040S"),
Et.VerifyCapability("3148J15990JE"),
),
E.Bucket(
E.Name("samples"),
E.CreationDate("2006-02-03T16:41:58.000Z")
)
)
doc = E.ListAllMyBucketsResult(
E.Owner(
E.Id("bcaf1ffd86f461ca5fb16fd081034f"),
E.DisplayName("webfile")
),
E.Buckets(
*buckets
)
)
print etree.tostring(doc, pretty_print=True)
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