/
test_aws.py
1497 lines (1390 loc) · 63.3 KB
/
test_aws.py
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# Copyright 2020 Google LLC
#
# 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 datetime
import json
import mock
import pytest
from six.moves import http_client
from six.moves import urllib
from google.auth import _helpers
from google.auth import aws
from google.auth import environment_vars
from google.auth import exceptions
from google.auth import transport
CLIENT_ID = "username"
CLIENT_SECRET = "password"
# Base64 encoding of "username:password".
BASIC_AUTH_ENCODING = "dXNlcm5hbWU6cGFzc3dvcmQ="
SERVICE_ACCOUNT_EMAIL = "service-1234@service-name.iam.gserviceaccount.com"
SERVICE_ACCOUNT_IMPERSONATION_URL = (
"https://us-east1-iamcredentials.googleapis.com/v1/projects/-"
+ "/serviceAccounts/{}:generateAccessToken".format(SERVICE_ACCOUNT_EMAIL)
)
QUOTA_PROJECT_ID = "QUOTA_PROJECT_ID"
SCOPES = ["scope1", "scope2"]
TOKEN_URL = "https://sts.googleapis.com/v1/token"
SUBJECT_TOKEN_TYPE = "urn:ietf:params:aws:token-type:aws4_request"
AUDIENCE = "//iam.googleapis.com/projects/123456/locations/global/workloadIdentityPools/POOL_ID/providers/PROVIDER_ID"
REGION_URL = "http://169.254.169.254/latest/meta-data/placement/availability-zone"
SECURITY_CREDS_URL = "http://169.254.169.254/latest/meta-data/iam/security-credentials"
CRED_VERIFICATION_URL = (
"https://sts.{region}.amazonaws.com?Action=GetCallerIdentity&Version=2011-06-15"
)
# Sample AWS security credentials to be used with tests that require a session token.
ACCESS_KEY_ID = "ASIARD4OQDT6A77FR3CL"
SECRET_ACCESS_KEY = "Y8AfSaucF37G4PpvfguKZ3/l7Id4uocLXxX0+VTx"
TOKEN = "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"
# To avoid json.dumps() differing behavior from one version to other,
# the JSON payload is hardcoded.
REQUEST_PARAMS = '{"KeySchema":[{"KeyType":"HASH","AttributeName":"Id"}],"TableName":"TestTable","AttributeDefinitions":[{"AttributeName":"Id","AttributeType":"S"}],"ProvisionedThroughput":{"WriteCapacityUnits":5,"ReadCapacityUnits":5}}'
# Each tuple contains the following entries:
# region, time, credentials, original_request, signed_request
TEST_FIXTURES = [
# GET request (AWS botocore tests).
# https://github.com/boto/botocore/blob/879f8440a4e9ace5d3cf145ce8b3d5e5ffb892ef/tests/unit/auth/aws4_testsuite/get-vanilla.req
# https://github.com/boto/botocore/blob/879f8440a4e9ace5d3cf145ce8b3d5e5ffb892ef/tests/unit/auth/aws4_testsuite/get-vanilla.sreq
(
"us-east-1",
"2011-09-09T23:36:00Z",
{
"access_key_id": "AKIDEXAMPLE",
"secret_access_key": "wJalrXUtnFEMI/K7MDENG+bPxRfiCYEXAMPLEKEY",
},
{
"method": "GET",
"url": "https://host.foo.com",
"headers": {"date": "Mon, 09 Sep 2011 23:36:00 GMT"},
},
{
"url": "https://host.foo.com",
"method": "GET",
"headers": {
"Authorization": "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=b27ccfbfa7df52a200ff74193ca6e32d4b48b8856fab7ebf1c595d0670a7e470",
"host": "host.foo.com",
"date": "Mon, 09 Sep 2011 23:36:00 GMT",
},
},
),
# GET request with relative path (AWS botocore tests).
# https://github.com/boto/botocore/blob/879f8440a4e9ace5d3cf145ce8b3d5e5ffb892ef/tests/unit/auth/aws4_testsuite/get-relative-relative.req
# https://github.com/boto/botocore/blob/879f8440a4e9ace5d3cf145ce8b3d5e5ffb892ef/tests/unit/auth/aws4_testsuite/get-relative-relative.sreq
(
"us-east-1",
"2011-09-09T23:36:00Z",
{
"access_key_id": "AKIDEXAMPLE",
"secret_access_key": "wJalrXUtnFEMI/K7MDENG+bPxRfiCYEXAMPLEKEY",
},
{
"method": "GET",
"url": "https://host.foo.com/foo/bar/../..",
"headers": {"date": "Mon, 09 Sep 2011 23:36:00 GMT"},
},
{
"url": "https://host.foo.com/foo/bar/../..",
"method": "GET",
"headers": {
"Authorization": "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=b27ccfbfa7df52a200ff74193ca6e32d4b48b8856fab7ebf1c595d0670a7e470",
"host": "host.foo.com",
"date": "Mon, 09 Sep 2011 23:36:00 GMT",
},
},
),
# GET request with /./ path (AWS botocore tests).
# https://github.com/boto/botocore/blob/879f8440a4e9ace5d3cf145ce8b3d5e5ffb892ef/tests/unit/auth/aws4_testsuite/get-slash-dot-slash.req
# https://github.com/boto/botocore/blob/879f8440a4e9ace5d3cf145ce8b3d5e5ffb892ef/tests/unit/auth/aws4_testsuite/get-slash-dot-slash.sreq
(
"us-east-1",
"2011-09-09T23:36:00Z",
{
"access_key_id": "AKIDEXAMPLE",
"secret_access_key": "wJalrXUtnFEMI/K7MDENG+bPxRfiCYEXAMPLEKEY",
},
{
"method": "GET",
"url": "https://host.foo.com/./",
"headers": {"date": "Mon, 09 Sep 2011 23:36:00 GMT"},
},
{
"url": "https://host.foo.com/./",
"method": "GET",
"headers": {
"Authorization": "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=b27ccfbfa7df52a200ff74193ca6e32d4b48b8856fab7ebf1c595d0670a7e470",
"host": "host.foo.com",
"date": "Mon, 09 Sep 2011 23:36:00 GMT",
},
},
),
# GET request with pointless dot path (AWS botocore tests).
# https://github.com/boto/botocore/blob/879f8440a4e9ace5d3cf145ce8b3d5e5ffb892ef/tests/unit/auth/aws4_testsuite/get-slash-pointless-dot.req
# https://github.com/boto/botocore/blob/879f8440a4e9ace5d3cf145ce8b3d5e5ffb892ef/tests/unit/auth/aws4_testsuite/get-slash-pointless-dot.sreq
(
"us-east-1",
"2011-09-09T23:36:00Z",
{
"access_key_id": "AKIDEXAMPLE",
"secret_access_key": "wJalrXUtnFEMI/K7MDENG+bPxRfiCYEXAMPLEKEY",
},
{
"method": "GET",
"url": "https://host.foo.com/./foo",
"headers": {"date": "Mon, 09 Sep 2011 23:36:00 GMT"},
},
{
"url": "https://host.foo.com/./foo",
"method": "GET",
"headers": {
"Authorization": "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=910e4d6c9abafaf87898e1eb4c929135782ea25bb0279703146455745391e63a",
"host": "host.foo.com",
"date": "Mon, 09 Sep 2011 23:36:00 GMT",
},
},
),
# GET request with utf8 path (AWS botocore tests).
# https://github.com/boto/botocore/blob/879f8440a4e9ace5d3cf145ce8b3d5e5ffb892ef/tests/unit/auth/aws4_testsuite/get-utf8.req
# https://github.com/boto/botocore/blob/879f8440a4e9ace5d3cf145ce8b3d5e5ffb892ef/tests/unit/auth/aws4_testsuite/get-utf8.sreq
(
"us-east-1",
"2011-09-09T23:36:00Z",
{
"access_key_id": "AKIDEXAMPLE",
"secret_access_key": "wJalrXUtnFEMI/K7MDENG+bPxRfiCYEXAMPLEKEY",
},
{
"method": "GET",
"url": "https://host.foo.com/%E1%88%B4",
"headers": {"date": "Mon, 09 Sep 2011 23:36:00 GMT"},
},
{
"url": "https://host.foo.com/%E1%88%B4",
"method": "GET",
"headers": {
"Authorization": "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=8d6634c189aa8c75c2e51e106b6b5121bed103fdb351f7d7d4381c738823af74",
"host": "host.foo.com",
"date": "Mon, 09 Sep 2011 23:36:00 GMT",
},
},
),
# GET request with duplicate query key (AWS botocore tests).
# https://github.com/boto/botocore/blob/879f8440a4e9ace5d3cf145ce8b3d5e5ffb892ef/tests/unit/auth/aws4_testsuite/get-vanilla-query-order-key-case.req
# https://github.com/boto/botocore/blob/879f8440a4e9ace5d3cf145ce8b3d5e5ffb892ef/tests/unit/auth/aws4_testsuite/get-vanilla-query-order-key-case.sreq
(
"us-east-1",
"2011-09-09T23:36:00Z",
{
"access_key_id": "AKIDEXAMPLE",
"secret_access_key": "wJalrXUtnFEMI/K7MDENG+bPxRfiCYEXAMPLEKEY",
},
{
"method": "GET",
"url": "https://host.foo.com/?foo=Zoo&foo=aha",
"headers": {"date": "Mon, 09 Sep 2011 23:36:00 GMT"},
},
{
"url": "https://host.foo.com/?foo=Zoo&foo=aha",
"method": "GET",
"headers": {
"Authorization": "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=be7148d34ebccdc6423b19085378aa0bee970bdc61d144bd1a8c48c33079ab09",
"host": "host.foo.com",
"date": "Mon, 09 Sep 2011 23:36:00 GMT",
},
},
),
# GET request with duplicate out of order query key (AWS botocore tests).
# https://github.com/boto/botocore/blob/879f8440a4e9ace5d3cf145ce8b3d5e5ffb892ef/tests/unit/auth/aws4_testsuite/get-vanilla-query-order-value.req
# https://github.com/boto/botocore/blob/879f8440a4e9ace5d3cf145ce8b3d5e5ffb892ef/tests/unit/auth/aws4_testsuite/get-vanilla-query-order-value.sreq
(
"us-east-1",
"2011-09-09T23:36:00Z",
{
"access_key_id": "AKIDEXAMPLE",
"secret_access_key": "wJalrXUtnFEMI/K7MDENG+bPxRfiCYEXAMPLEKEY",
},
{
"method": "GET",
"url": "https://host.foo.com/?foo=b&foo=a",
"headers": {"date": "Mon, 09 Sep 2011 23:36:00 GMT"},
},
{
"url": "https://host.foo.com/?foo=b&foo=a",
"method": "GET",
"headers": {
"Authorization": "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=feb926e49e382bec75c9d7dcb2a1b6dc8aa50ca43c25d2bc51143768c0875acc",
"host": "host.foo.com",
"date": "Mon, 09 Sep 2011 23:36:00 GMT",
},
},
),
# GET request with utf8 query (AWS botocore tests).
# https://github.com/boto/botocore/blob/879f8440a4e9ace5d3cf145ce8b3d5e5ffb892ef/tests/unit/auth/aws4_testsuite/get-vanilla-ut8-query.req
# https://github.com/boto/botocore/blob/879f8440a4e9ace5d3cf145ce8b3d5e5ffb892ef/tests/unit/auth/aws4_testsuite/get-vanilla-ut8-query.sreq
(
"us-east-1",
"2011-09-09T23:36:00Z",
{
"access_key_id": "AKIDEXAMPLE",
"secret_access_key": "wJalrXUtnFEMI/K7MDENG+bPxRfiCYEXAMPLEKEY",
},
{
"method": "GET",
"url": "https://host.foo.com/?{}=bar".format(
urllib.parse.unquote("%E1%88%B4")
),
"headers": {"date": "Mon, 09 Sep 2011 23:36:00 GMT"},
},
{
"url": "https://host.foo.com/?{}=bar".format(
urllib.parse.unquote("%E1%88%B4")
),
"method": "GET",
"headers": {
"Authorization": "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=6fb359e9a05394cc7074e0feb42573a2601abc0c869a953e8c5c12e4e01f1a8c",
"host": "host.foo.com",
"date": "Mon, 09 Sep 2011 23:36:00 GMT",
},
},
),
# POST request with sorted headers (AWS botocore tests).
# https://github.com/boto/botocore/blob/879f8440a4e9ace5d3cf145ce8b3d5e5ffb892ef/tests/unit/auth/aws4_testsuite/post-header-key-sort.req
# https://github.com/boto/botocore/blob/879f8440a4e9ace5d3cf145ce8b3d5e5ffb892ef/tests/unit/auth/aws4_testsuite/post-header-key-sort.sreq
(
"us-east-1",
"2011-09-09T23:36:00Z",
{
"access_key_id": "AKIDEXAMPLE",
"secret_access_key": "wJalrXUtnFEMI/K7MDENG+bPxRfiCYEXAMPLEKEY",
},
{
"method": "POST",
"url": "https://host.foo.com/",
"headers": {"date": "Mon, 09 Sep 2011 23:36:00 GMT", "ZOO": "zoobar"},
},
{
"url": "https://host.foo.com/",
"method": "POST",
"headers": {
"Authorization": "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host;zoo, Signature=b7a95a52518abbca0964a999a880429ab734f35ebbf1235bd79a5de87756dc4a",
"host": "host.foo.com",
"date": "Mon, 09 Sep 2011 23:36:00 GMT",
"ZOO": "zoobar",
},
},
),
# POST request with upper case header value from AWS Python test harness.
# https://github.com/boto/botocore/blob/879f8440a4e9ace5d3cf145ce8b3d5e5ffb892ef/tests/unit/auth/aws4_testsuite/post-header-value-case.req
# https://github.com/boto/botocore/blob/879f8440a4e9ace5d3cf145ce8b3d5e5ffb892ef/tests/unit/auth/aws4_testsuite/post-header-value-case.sreq
(
"us-east-1",
"2011-09-09T23:36:00Z",
{
"access_key_id": "AKIDEXAMPLE",
"secret_access_key": "wJalrXUtnFEMI/K7MDENG+bPxRfiCYEXAMPLEKEY",
},
{
"method": "POST",
"url": "https://host.foo.com/",
"headers": {"date": "Mon, 09 Sep 2011 23:36:00 GMT", "zoo": "ZOOBAR"},
},
{
"url": "https://host.foo.com/",
"method": "POST",
"headers": {
"Authorization": "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host;zoo, Signature=273313af9d0c265c531e11db70bbd653f3ba074c1009239e8559d3987039cad7",
"host": "host.foo.com",
"date": "Mon, 09 Sep 2011 23:36:00 GMT",
"zoo": "ZOOBAR",
},
},
),
# POST request with header and no body (AWS botocore tests).
# https://github.com/boto/botocore/blob/879f8440a4e9ace5d3cf145ce8b3d5e5ffb892ef/tests/unit/auth/aws4_testsuite/get-header-value-trim.req
# https://github.com/boto/botocore/blob/879f8440a4e9ace5d3cf145ce8b3d5e5ffb892ef/tests/unit/auth/aws4_testsuite/get-header-value-trim.sreq
(
"us-east-1",
"2011-09-09T23:36:00Z",
{
"access_key_id": "AKIDEXAMPLE",
"secret_access_key": "wJalrXUtnFEMI/K7MDENG+bPxRfiCYEXAMPLEKEY",
},
{
"method": "POST",
"url": "https://host.foo.com/",
"headers": {"date": "Mon, 09 Sep 2011 23:36:00 GMT", "p": "phfft"},
},
{
"url": "https://host.foo.com/",
"method": "POST",
"headers": {
"Authorization": "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host;p, Signature=debf546796015d6f6ded8626f5ce98597c33b47b9164cf6b17b4642036fcb592",
"host": "host.foo.com",
"date": "Mon, 09 Sep 2011 23:36:00 GMT",
"p": "phfft",
},
},
),
# POST request with body and no header (AWS botocore tests).
# https://github.com/boto/botocore/blob/879f8440a4e9ace5d3cf145ce8b3d5e5ffb892ef/tests/unit/auth/aws4_testsuite/post-x-www-form-urlencoded.req
# https://github.com/boto/botocore/blob/879f8440a4e9ace5d3cf145ce8b3d5e5ffb892ef/tests/unit/auth/aws4_testsuite/post-x-www-form-urlencoded.sreq
(
"us-east-1",
"2011-09-09T23:36:00Z",
{
"access_key_id": "AKIDEXAMPLE",
"secret_access_key": "wJalrXUtnFEMI/K7MDENG+bPxRfiCYEXAMPLEKEY",
},
{
"method": "POST",
"url": "https://host.foo.com/",
"headers": {
"Content-Type": "application/x-www-form-urlencoded",
"date": "Mon, 09 Sep 2011 23:36:00 GMT",
},
"data": "foo=bar",
},
{
"url": "https://host.foo.com/",
"method": "POST",
"headers": {
"Authorization": "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=content-type;date;host, Signature=5a15b22cf462f047318703b92e6f4f38884e4a7ab7b1d6426ca46a8bd1c26cbc",
"host": "host.foo.com",
"Content-Type": "application/x-www-form-urlencoded",
"date": "Mon, 09 Sep 2011 23:36:00 GMT",
},
"data": "foo=bar",
},
),
# POST request with querystring (AWS botocore tests).
# https://github.com/boto/botocore/blob/879f8440a4e9ace5d3cf145ce8b3d5e5ffb892ef/tests/unit/auth/aws4_testsuite/post-vanilla-query.req
# https://github.com/boto/botocore/blob/879f8440a4e9ace5d3cf145ce8b3d5e5ffb892ef/tests/unit/auth/aws4_testsuite/post-vanilla-query.sreq
(
"us-east-1",
"2011-09-09T23:36:00Z",
{
"access_key_id": "AKIDEXAMPLE",
"secret_access_key": "wJalrXUtnFEMI/K7MDENG+bPxRfiCYEXAMPLEKEY",
},
{
"method": "POST",
"url": "https://host.foo.com/?foo=bar",
"headers": {"date": "Mon, 09 Sep 2011 23:36:00 GMT"},
},
{
"url": "https://host.foo.com/?foo=bar",
"method": "POST",
"headers": {
"Authorization": "AWS4-HMAC-SHA256 Credential=AKIDEXAMPLE/20110909/us-east-1/host/aws4_request, SignedHeaders=date;host, Signature=b6e3b79003ce0743a491606ba1035a804593b0efb1e20a11cba83f8c25a57a92",
"host": "host.foo.com",
"date": "Mon, 09 Sep 2011 23:36:00 GMT",
},
},
),
# GET request with session token credentials.
(
"us-east-2",
"2020-08-11T06:55:22Z",
{
"access_key_id": ACCESS_KEY_ID,
"secret_access_key": SECRET_ACCESS_KEY,
"security_token": TOKEN,
},
{
"method": "GET",
"url": "https://ec2.us-east-2.amazonaws.com?Action=DescribeRegions&Version=2013-10-15",
},
{
"url": "https://ec2.us-east-2.amazonaws.com?Action=DescribeRegions&Version=2013-10-15",
"method": "GET",
"headers": {
"Authorization": "AWS4-HMAC-SHA256 Credential="
+ ACCESS_KEY_ID
+ "/20200811/us-east-2/ec2/aws4_request, SignedHeaders=host;x-amz-date;x-amz-security-token, Signature=631ea80cddfaa545fdadb120dc92c9f18166e38a5c47b50fab9fce476e022855",
"host": "ec2.us-east-2.amazonaws.com",
"x-amz-date": "20200811T065522Z",
"x-amz-security-token": TOKEN,
},
},
),
# POST request with session token credentials.
(
"us-east-2",
"2020-08-11T06:55:22Z",
{
"access_key_id": ACCESS_KEY_ID,
"secret_access_key": SECRET_ACCESS_KEY,
"security_token": TOKEN,
},
{
"method": "POST",
"url": "https://sts.us-east-2.amazonaws.com?Action=GetCallerIdentity&Version=2011-06-15",
},
{
"url": "https://sts.us-east-2.amazonaws.com?Action=GetCallerIdentity&Version=2011-06-15",
"method": "POST",
"headers": {
"Authorization": "AWS4-HMAC-SHA256 Credential="
+ ACCESS_KEY_ID
+ "/20200811/us-east-2/sts/aws4_request, SignedHeaders=host;x-amz-date;x-amz-security-token, Signature=73452984e4a880ffdc5c392355733ec3f5ba310d5e0609a89244440cadfe7a7a",
"host": "sts.us-east-2.amazonaws.com",
"x-amz-date": "20200811T065522Z",
"x-amz-security-token": TOKEN,
},
},
),
# POST request with computed x-amz-date and no data.
(
"us-east-2",
"2020-08-11T06:55:22Z",
{"access_key_id": ACCESS_KEY_ID, "secret_access_key": SECRET_ACCESS_KEY},
{
"method": "POST",
"url": "https://sts.us-east-2.amazonaws.com?Action=GetCallerIdentity&Version=2011-06-15",
},
{
"url": "https://sts.us-east-2.amazonaws.com?Action=GetCallerIdentity&Version=2011-06-15",
"method": "POST",
"headers": {
"Authorization": "AWS4-HMAC-SHA256 Credential="
+ ACCESS_KEY_ID
+ "/20200811/us-east-2/sts/aws4_request, SignedHeaders=host;x-amz-date, Signature=d095ba304919cd0d5570ba8a3787884ee78b860f268ed040ba23831d55536d56",
"host": "sts.us-east-2.amazonaws.com",
"x-amz-date": "20200811T065522Z",
},
},
),
# POST request with session token and additional headers/data.
(
"us-east-2",
"2020-08-11T06:55:22Z",
{
"access_key_id": ACCESS_KEY_ID,
"secret_access_key": SECRET_ACCESS_KEY,
"security_token": TOKEN,
},
{
"method": "POST",
"url": "https://dynamodb.us-east-2.amazonaws.com/",
"headers": {
"Content-Type": "application/x-amz-json-1.0",
"x-amz-target": "DynamoDB_20120810.CreateTable",
},
"data": REQUEST_PARAMS,
},
{
"url": "https://dynamodb.us-east-2.amazonaws.com/",
"method": "POST",
"headers": {
"Authorization": "AWS4-HMAC-SHA256 Credential="
+ ACCESS_KEY_ID
+ "/20200811/us-east-2/dynamodb/aws4_request, SignedHeaders=content-type;host;x-amz-date;x-amz-security-token;x-amz-target, Signature=fdaa5b9cc9c86b80fe61eaf504141c0b3523780349120f2bd8145448456e0385",
"host": "dynamodb.us-east-2.amazonaws.com",
"x-amz-date": "20200811T065522Z",
"Content-Type": "application/x-amz-json-1.0",
"x-amz-target": "DynamoDB_20120810.CreateTable",
"x-amz-security-token": TOKEN,
},
"data": REQUEST_PARAMS,
},
),
]
class TestRequestSigner(object):
@pytest.mark.parametrize(
"region, time, credentials, original_request, signed_request", TEST_FIXTURES
)
@mock.patch("google.auth._helpers.utcnow")
def test_get_request_options(
self, utcnow, region, time, credentials, original_request, signed_request
):
utcnow.return_value = datetime.datetime.strptime(time, "%Y-%m-%dT%H:%M:%SZ")
request_signer = aws.RequestSigner(region)
actual_signed_request = request_signer.get_request_options(
credentials,
original_request.get("url"),
original_request.get("method"),
original_request.get("data"),
original_request.get("headers"),
)
assert actual_signed_request == signed_request
def test_get_request_options_with_missing_scheme_url(self):
request_signer = aws.RequestSigner("us-east-2")
with pytest.raises(ValueError) as excinfo:
request_signer.get_request_options(
{
"access_key_id": ACCESS_KEY_ID,
"secret_access_key": SECRET_ACCESS_KEY,
},
"invalid",
"POST",
)
assert excinfo.match(r"Invalid AWS service URL")
def test_get_request_options_with_invalid_scheme_url(self):
request_signer = aws.RequestSigner("us-east-2")
with pytest.raises(ValueError) as excinfo:
request_signer.get_request_options(
{
"access_key_id": ACCESS_KEY_ID,
"secret_access_key": SECRET_ACCESS_KEY,
},
"http://invalid",
"POST",
)
assert excinfo.match(r"Invalid AWS service URL")
def test_get_request_options_with_missing_hostname_url(self):
request_signer = aws.RequestSigner("us-east-2")
with pytest.raises(ValueError) as excinfo:
request_signer.get_request_options(
{
"access_key_id": ACCESS_KEY_ID,
"secret_access_key": SECRET_ACCESS_KEY,
},
"https://",
"POST",
)
assert excinfo.match(r"Invalid AWS service URL")
class TestCredentials(object):
AWS_REGION = "us-east-2"
AWS_ROLE = "gcp-aws-role"
AWS_SECURITY_CREDENTIALS_RESPONSE = {
"AccessKeyId": ACCESS_KEY_ID,
"SecretAccessKey": SECRET_ACCESS_KEY,
"Token": TOKEN,
}
AWS_SIGNATURE_TIME = "2020-08-11T06:55:22Z"
CREDENTIAL_SOURCE = {
"environment_id": "aws1",
"region_url": REGION_URL,
"url": SECURITY_CREDS_URL,
"regional_cred_verification_url": CRED_VERIFICATION_URL,
}
SUCCESS_RESPONSE = {
"access_token": "ACCESS_TOKEN",
"issued_token_type": "urn:ietf:params:oauth:token-type:access_token",
"token_type": "Bearer",
"expires_in": 3600,
"scope": " ".join(SCOPES),
}
@classmethod
def make_serialized_aws_signed_request(
cls,
aws_security_credentials,
region_name="us-east-2",
url="https://sts.us-east-2.amazonaws.com?Action=GetCallerIdentity&Version=2011-06-15",
):
"""Utility to generate serialize AWS signed requests.
This makes it easy to assert generated subject tokens based on the
provided AWS security credentials, regions and AWS STS endpoint.
"""
request_signer = aws.RequestSigner(region_name)
signed_request = request_signer.get_request_options(
aws_security_credentials, url, "POST"
)
reformatted_signed_request = {
"url": signed_request.get("url"),
"method": signed_request.get("method"),
"headers": [
{
"key": "Authorization",
"value": signed_request.get("headers").get("Authorization"),
},
{"key": "host", "value": signed_request.get("headers").get("host")},
{
"key": "x-amz-date",
"value": signed_request.get("headers").get("x-amz-date"),
},
],
}
# Include security token if available.
if "security_token" in aws_security_credentials:
reformatted_signed_request.get("headers").append(
{
"key": "x-amz-security-token",
"value": signed_request.get("headers").get("x-amz-security-token"),
}
)
# Append x-goog-cloud-target-resource header.
reformatted_signed_request.get("headers").append(
{"key": "x-goog-cloud-target-resource", "value": AUDIENCE}
),
return urllib.parse.quote(
json.dumps(
reformatted_signed_request, separators=(",", ":"), sort_keys=True
)
)
@classmethod
def make_mock_request(
cls,
region_status=None,
region_name=None,
role_status=None,
role_name=None,
security_credentials_status=None,
security_credentials_data=None,
token_status=None,
token_data=None,
impersonation_status=None,
impersonation_data=None,
):
"""Utility function to generate a mock HTTP request object.
This will facilitate testing various edge cases by specify how the
various endpoints will respond while generating a Google Access token
in an AWS environment.
"""
responses = []
if region_status:
# AWS region request.
region_response = mock.create_autospec(transport.Response, instance=True)
region_response.status = region_status
if region_name:
region_response.data = "{}b".format(region_name).encode("utf-8")
responses.append(region_response)
if role_status:
# AWS role name request.
role_response = mock.create_autospec(transport.Response, instance=True)
role_response.status = role_status
if role_name:
role_response.data = role_name.encode("utf-8")
responses.append(role_response)
if security_credentials_status:
# AWS security credentials request.
security_credentials_response = mock.create_autospec(
transport.Response, instance=True
)
security_credentials_response.status = security_credentials_status
if security_credentials_data:
security_credentials_response.data = json.dumps(
security_credentials_data
).encode("utf-8")
responses.append(security_credentials_response)
if token_status:
# GCP token exchange request.
token_response = mock.create_autospec(transport.Response, instance=True)
token_response.status = token_status
token_response.data = json.dumps(token_data).encode("utf-8")
responses.append(token_response)
if impersonation_status:
# Service account impersonation request.
impersonation_response = mock.create_autospec(
transport.Response, instance=True
)
impersonation_response.status = impersonation_status
impersonation_response.data = json.dumps(impersonation_data).encode("utf-8")
responses.append(impersonation_response)
request = mock.create_autospec(transport.Request)
request.side_effect = responses
return request
@classmethod
def make_credentials(
cls,
credential_source,
client_id=None,
client_secret=None,
quota_project_id=None,
scopes=None,
default_scopes=None,
service_account_impersonation_url=None,
):
return aws.Credentials(
audience=AUDIENCE,
subject_token_type=SUBJECT_TOKEN_TYPE,
token_url=TOKEN_URL,
service_account_impersonation_url=service_account_impersonation_url,
credential_source=credential_source,
client_id=client_id,
client_secret=client_secret,
quota_project_id=quota_project_id,
scopes=scopes,
default_scopes=default_scopes,
)
@classmethod
def assert_aws_metadata_request_kwargs(cls, request_kwargs, url, headers=None):
assert request_kwargs["url"] == url
# All used AWS metadata server endpoints use GET HTTP method.
assert request_kwargs["method"] == "GET"
if headers:
assert request_kwargs["headers"] == headers
else:
assert "headers" not in request_kwargs
# None of the endpoints used require any data in request.
assert "body" not in request_kwargs
@classmethod
def assert_token_request_kwargs(
cls, request_kwargs, headers, request_data, token_url=TOKEN_URL
):
assert request_kwargs["url"] == token_url
assert request_kwargs["method"] == "POST"
assert request_kwargs["headers"] == headers
assert request_kwargs["body"] is not None
body_tuples = urllib.parse.parse_qsl(request_kwargs["body"])
assert len(body_tuples) == len(request_data.keys())
for (k, v) in body_tuples:
assert v.decode("utf-8") == request_data[k.decode("utf-8")]
@classmethod
def assert_impersonation_request_kwargs(
cls,
request_kwargs,
headers,
request_data,
service_account_impersonation_url=SERVICE_ACCOUNT_IMPERSONATION_URL,
):
assert request_kwargs["url"] == service_account_impersonation_url
assert request_kwargs["method"] == "POST"
assert request_kwargs["headers"] == headers
assert request_kwargs["body"] is not None
body_json = json.loads(request_kwargs["body"].decode("utf-8"))
assert body_json == request_data
@mock.patch.object(aws.Credentials, "__init__", return_value=None)
def test_from_info_full_options(self, mock_init):
credentials = aws.Credentials.from_info(
{
"audience": AUDIENCE,
"subject_token_type": SUBJECT_TOKEN_TYPE,
"token_url": TOKEN_URL,
"service_account_impersonation_url": SERVICE_ACCOUNT_IMPERSONATION_URL,
"client_id": CLIENT_ID,
"client_secret": CLIENT_SECRET,
"quota_project_id": QUOTA_PROJECT_ID,
"credential_source": self.CREDENTIAL_SOURCE,
}
)
# Confirm aws.Credentials instance initialized with the expected parameters.
assert isinstance(credentials, aws.Credentials)
mock_init.assert_called_once_with(
audience=AUDIENCE,
subject_token_type=SUBJECT_TOKEN_TYPE,
token_url=TOKEN_URL,
service_account_impersonation_url=SERVICE_ACCOUNT_IMPERSONATION_URL,
client_id=CLIENT_ID,
client_secret=CLIENT_SECRET,
credential_source=self.CREDENTIAL_SOURCE,
quota_project_id=QUOTA_PROJECT_ID,
)
@mock.patch.object(aws.Credentials, "__init__", return_value=None)
def test_from_info_required_options_only(self, mock_init):
credentials = aws.Credentials.from_info(
{
"audience": AUDIENCE,
"subject_token_type": SUBJECT_TOKEN_TYPE,
"token_url": TOKEN_URL,
"credential_source": self.CREDENTIAL_SOURCE,
}
)
# Confirm aws.Credentials instance initialized with the expected parameters.
assert isinstance(credentials, aws.Credentials)
mock_init.assert_called_once_with(
audience=AUDIENCE,
subject_token_type=SUBJECT_TOKEN_TYPE,
token_url=TOKEN_URL,
service_account_impersonation_url=None,
client_id=None,
client_secret=None,
credential_source=self.CREDENTIAL_SOURCE,
quota_project_id=None,
)
@mock.patch.object(aws.Credentials, "__init__", return_value=None)
def test_from_file_full_options(self, mock_init, tmpdir):
info = {
"audience": AUDIENCE,
"subject_token_type": SUBJECT_TOKEN_TYPE,
"token_url": TOKEN_URL,
"service_account_impersonation_url": SERVICE_ACCOUNT_IMPERSONATION_URL,
"client_id": CLIENT_ID,
"client_secret": CLIENT_SECRET,
"quota_project_id": QUOTA_PROJECT_ID,
"credential_source": self.CREDENTIAL_SOURCE,
}
config_file = tmpdir.join("config.json")
config_file.write(json.dumps(info))
credentials = aws.Credentials.from_file(str(config_file))
# Confirm aws.Credentials instance initialized with the expected parameters.
assert isinstance(credentials, aws.Credentials)
mock_init.assert_called_once_with(
audience=AUDIENCE,
subject_token_type=SUBJECT_TOKEN_TYPE,
token_url=TOKEN_URL,
service_account_impersonation_url=SERVICE_ACCOUNT_IMPERSONATION_URL,
client_id=CLIENT_ID,
client_secret=CLIENT_SECRET,
credential_source=self.CREDENTIAL_SOURCE,
quota_project_id=QUOTA_PROJECT_ID,
)
@mock.patch.object(aws.Credentials, "__init__", return_value=None)
def test_from_file_required_options_only(self, mock_init, tmpdir):
info = {
"audience": AUDIENCE,
"subject_token_type": SUBJECT_TOKEN_TYPE,
"token_url": TOKEN_URL,
"credential_source": self.CREDENTIAL_SOURCE,
}
config_file = tmpdir.join("config.json")
config_file.write(json.dumps(info))
credentials = aws.Credentials.from_file(str(config_file))
# Confirm aws.Credentials instance initialized with the expected parameters.
assert isinstance(credentials, aws.Credentials)
mock_init.assert_called_once_with(
audience=AUDIENCE,
subject_token_type=SUBJECT_TOKEN_TYPE,
token_url=TOKEN_URL,
service_account_impersonation_url=None,
client_id=None,
client_secret=None,
credential_source=self.CREDENTIAL_SOURCE,
quota_project_id=None,
)
def test_constructor_invalid_credential_source(self):
# Provide invalid credential source.
credential_source = {"unsupported": "value"}
with pytest.raises(ValueError) as excinfo:
self.make_credentials(credential_source=credential_source)
assert excinfo.match(r"No valid AWS 'credential_source' provided")
def test_constructor_invalid_environment_id(self):
# Provide invalid environment_id.
credential_source = self.CREDENTIAL_SOURCE.copy()
credential_source["environment_id"] = "azure1"
with pytest.raises(ValueError) as excinfo:
self.make_credentials(credential_source=credential_source)
assert excinfo.match(r"No valid AWS 'credential_source' provided")
def test_constructor_missing_cred_verification_url(self):
# regional_cred_verification_url is a required field.
credential_source = self.CREDENTIAL_SOURCE.copy()
credential_source.pop("regional_cred_verification_url")
with pytest.raises(ValueError) as excinfo:
self.make_credentials(credential_source=credential_source)
assert excinfo.match(r"No valid AWS 'credential_source' provided")
def test_constructor_invalid_environment_id_version(self):
# Provide an unsupported version.
credential_source = self.CREDENTIAL_SOURCE.copy()
credential_source["environment_id"] = "aws3"
with pytest.raises(ValueError) as excinfo:
self.make_credentials(credential_source=credential_source)
assert excinfo.match(r"aws version '3' is not supported in the current build.")
def test_info(self):
credentials = self.make_credentials(
credential_source=self.CREDENTIAL_SOURCE.copy()
)
assert credentials.info == {
"type": "external_account",
"audience": AUDIENCE,
"subject_token_type": SUBJECT_TOKEN_TYPE,
"token_url": TOKEN_URL,
"credential_source": self.CREDENTIAL_SOURCE,
}
def test_retrieve_subject_token_missing_region_url(self):
# When AWS_REGION envvar is not available, region_url is required for
# determining the current AWS region.
credential_source = self.CREDENTIAL_SOURCE.copy()
credential_source.pop("region_url")
credentials = self.make_credentials(credential_source=credential_source)
with pytest.raises(exceptions.RefreshError) as excinfo:
credentials.retrieve_subject_token(None)
assert excinfo.match(r"Unable to determine AWS region")
@mock.patch("google.auth._helpers.utcnow")
def test_retrieve_subject_token_success_temp_creds_no_environment_vars(
self, utcnow
):
utcnow.return_value = datetime.datetime.strptime(
self.AWS_SIGNATURE_TIME, "%Y-%m-%dT%H:%M:%SZ"
)
request = self.make_mock_request(
region_status=http_client.OK,
region_name=self.AWS_REGION,
role_status=http_client.OK,
role_name=self.AWS_ROLE,
security_credentials_status=http_client.OK,
security_credentials_data=self.AWS_SECURITY_CREDENTIALS_RESPONSE,
)
credentials = self.make_credentials(credential_source=self.CREDENTIAL_SOURCE)
subject_token = credentials.retrieve_subject_token(request)
assert subject_token == self.make_serialized_aws_signed_request(
{
"access_key_id": ACCESS_KEY_ID,
"secret_access_key": SECRET_ACCESS_KEY,
"security_token": TOKEN,
}
)
# Assert region request.
self.assert_aws_metadata_request_kwargs(
request.call_args_list[0][1], REGION_URL
)
# Assert role request.
self.assert_aws_metadata_request_kwargs(
request.call_args_list[1][1], SECURITY_CREDS_URL
)
# Assert security credentials request.
self.assert_aws_metadata_request_kwargs(
request.call_args_list[2][1],
"{}/{}".format(SECURITY_CREDS_URL, self.AWS_ROLE),
{"Content-Type": "application/json"},
)
# Retrieve subject_token again. Region should not be queried again.
new_request = self.make_mock_request(
role_status=http_client.OK,
role_name=self.AWS_ROLE,
security_credentials_status=http_client.OK,
security_credentials_data=self.AWS_SECURITY_CREDENTIALS_RESPONSE,
)
credentials.retrieve_subject_token(new_request)
# Only 2 requests should be sent as the region is cached.
assert len(new_request.call_args_list) == 2
# Assert role request.