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# -*- coding: utf-8 -*-
# MinIO Python Library for Amazon S3 Compatible Cloud Storage,
# (C) 2015 MinIO, Inc.
#
# 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 hashlib
import hmac
from datetime import datetime, timezone
from unittest import TestCase
from urllib.parse import urlsplit, urlunsplit
from minio import Minio
from minio.credentials import Credentials
from minio.helpers import queryencode, quote, sha256_hash
from minio.signer import (_get_authorization, _get_canonical_request_hash,
_get_scope, _get_signing_key, _get_string_to_sign,
presign_v4, sign_v4_s3)
empty_hash = 'e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855'
dt = datetime(2015, 6, 20, 1, 2, 3, 0, timezone.utc)
class CanonicalRequestTest(TestCase):
def test_simple_request(self):
url = urlsplit('http://localhost:9000/hello')
expected_signed_headers = ['x-amz-content-sha256', 'x-amz-date']
expected_request_array = ['PUT', '/hello', '',
'x-amz-content-sha256:' +
empty_hash, 'x-amz-date:dateString',
'', ';'.join(expected_signed_headers),
empty_hash]
headers_to_sign = {'x-amz-date': 'dateString',
'x-amz-content-sha256': empty_hash}
expected_request = sha256_hash('\n'.join(expected_request_array))
actual_request = _get_canonical_request_hash(
"PUT", url, headers_to_sign, empty_hash,
)
self.assertEqual(expected_request, actual_request[0])
def test_request_with_query(self):
url = urlsplit('http://localhost:9000/hello?c=d&e=f&a=b')
expected_signed_headers = ['x-amz-content-sha256', 'x-amz-date']
expected_request_array = ['PUT', '/hello', 'a=b&c=d&e=f',
'x-amz-content-sha256:' + empty_hash,
'x-amz-date:dateString',
'', ';'.join(expected_signed_headers),
empty_hash]
expected_request = sha256_hash('\n'.join(expected_request_array))
headers_to_sign = {'x-amz-date': 'dateString',
'x-amz-content-sha256': empty_hash}
actual_request = _get_canonical_request_hash(
"PUT", url, headers_to_sign, empty_hash,
)
self.assertEqual(expected_request, actual_request[0])
class StringToSignTest(TestCase):
def test_signing_key(self):
expected_signing_key_list = [
'AWS4-HMAC-SHA256', '20150620T010203Z',
'20150620/us-east-1/s3/aws4_request',
'b93e86965c269a0dfef37a8bec231ef8acf8cdb101a64eb700a46c452c1ad233'
]
actual_signing_key = _get_string_to_sign(
dt, _get_scope(dt, 'us-east-1', "s3"),
'b93e86965c269a0dfef37a8bec231ef8acf8cdb101a64eb700a46c452c1ad233')
self.assertEqual('\n'.join(expected_signing_key_list),
actual_signing_key)
class SigningKeyTest(TestCase):
def test_generate_signing_key(self):
key1_string = 'AWS4' + 'S3CR3T'
key1 = key1_string.encode('utf-8')
key2 = hmac.new(key1, '20150620'.encode(
'utf-8'), hashlib.sha256).digest()
key3 = hmac.new(key2, 'region'.encode(
'utf-8'), hashlib.sha256).digest()
key4 = hmac.new(key3, 's3'.encode('utf-8'), hashlib.sha256).digest()
expected_result = hmac.new(key4, 'aws4_request'.encode(
'utf-8'), hashlib.sha256).digest()
actual_result = _get_signing_key('S3CR3T', dt, 'region', "s3")
self.assertEqual(expected_result, actual_result)
class AuthorizationHeaderTest(TestCase):
def test_generate_authentication_header(self):
expected_authorization_header = (
'AWS4-HMAC-SHA256 Credential='
'public_key/20150620/region/s3/aws4_request, '
'SignedHeaders=host;X-Amz-Content-Sha256;X-Amz-Date, '
'Signature=signed_request'
)
actual_authorization_header = _get_authorization(
'public_key', _get_scope(dt, 'region', "s3"),
'host;X-Amz-Content-Sha256;X-Amz-Date', 'signed_request')
self.assertEqual(expected_authorization_header,
actual_authorization_header)
class PresignURLTest(TestCase):
def test_presigned_versioned_id(self):
credentials = Credentials("minio", "minio123")
url = presign_v4('GET', urlsplit('http://localhost:9000/bucket-name/objectName?versionId=uuid'),
'us-east-1', credentials, dt, 604800)
self.assertEqual(urlunsplit(url), 'http://localhost:9000/bucket-name/objectName?versionId=uuid&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=minio%2F20150620%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20150620T010203Z&X-Amz-Expires=604800&X-Amz-SignedHeaders=host&X-Amz-Signature=3ce13e2ca929fafa20581a05730e4e9435f2a5e20ec7c5a082d175692fb0a663')
class SignV4Test(TestCase):
def test_signv4(self):
client = Minio("localhost:9000", access_key="minio",
secret_key="minio123", secure=False)
creds = client._provider.retrieve()
headers = {
'Host': 'localhost:9000',
'x-amz-content-sha256':
'e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855',
'x-amz-date': '20150620T010203Z',
}
url = client._base_url.build(
"PUT",
"us-east-1",
bucket_name="testbucket",
object_name="~testobject",
query_params={"partID": "1", "uploadID": "~abcd"},
)
headers = sign_v4_s3(
"PUT",
url,
"us-east-1",
headers,
creds,
"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
dt,
)
self.assertEqual(headers['Authorization'],
'AWS4-HMAC-SHA256 Credential='
'minio/20150620/us-east-1/s3/aws4_request, '
'SignedHeaders=host;x-amz-content-sha256;x-amz-date, '
'Signature='
'a2f4546f647981732bd90dfa5a7599c44dca92f44bea48ecc7565df06032c25b')
class UnicodeEncodeTest(TestCase):
def test_unicode_quote(self):
self.assertEqual(quote('/test/123/汉字'), '/test/123/%E6%B1%89%E5%AD%97')
def test_unicode_queryencode(self):
self.assertEqual(queryencode('/test/123/汉字'),
'%2Ftest%2F123%2F%E6%B1%89%E5%AD%97')
def test_unicode_quote_u(self):
self.assertEqual(quote(u'/test/123/汉字'),
'/test/123/%E6%B1%89%E5%AD%97')
def test_unicode_queryencode_u(self):
self.assertEqual(queryencode(u'/test/123/汉字'),
'%2Ftest%2F123%2F%E6%B1%89%E5%AD%97')
def test_unicode_quote_b(self):
self.assertEqual(quote(b'/test/123/\xe6\xb1\x89\xe5\xad\x97'),
'/test/123/%E6%B1%89%E5%AD%97')
def test_unicode_queryencode_b(self):
self.assertEqual(queryencode(b'/test/123/\xe6\xb1\x89\xe5\xad\x97'),
'%2Ftest%2F123%2F%E6%B1%89%E5%AD%97')