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# Copyright 2017 Google, 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 os
import re
import time
import uuid
from google.cloud import storage
import pytest
import storage_add_bucket_conditional_iam_binding
import storage_add_bucket_iam_member
import storage_remove_bucket_conditional_iam_binding
import storage_remove_bucket_iam_member
import storage_set_bucket_public_iam
import storage_view_bucket_iam_members
MEMBER = "group:dpebot@google.com"
ROLE = "roles/storage.legacyBucketReader"
CONDITION_TITLE = "match-prefix"
CONDITION_DESCRIPTION = "Applies to objects matching a prefix"
CONDITION_EXPRESSION = (
'resource.name.startsWith("projects/_/buckets/bucket-name/objects/prefix-a-")'
)
@pytest.fixture(scope="module")
def bucket():
bucket = None
while bucket is None or bucket.exists():
storage_client = storage.Client()
bucket_name = f"test-iam-{uuid.uuid4()}"
bucket = storage_client.bucket(bucket_name)
bucket.iam_configuration.uniform_bucket_level_access_enabled = True
storage_client.create_bucket(bucket)
yield bucket
time.sleep(3)
bucket.delete(force=True)
@pytest.fixture(scope="function")
def public_bucket():
# The new projects don't allow to make a bucket available to public, so
# we need to use the old main project for now.
original_value = os.environ['GOOGLE_CLOUD_PROJECT']
os.environ['GOOGLE_CLOUD_PROJECT'] = os.environ['MAIN_GOOGLE_CLOUD_PROJECT']
bucket = None
while bucket is None or bucket.exists():
storage_client = storage.Client()
bucket_name = f"test-iam-{uuid.uuid4()}"
bucket = storage_client.bucket(bucket_name)
bucket.iam_configuration.uniform_bucket_level_access_enabled = True
storage_client.create_bucket(bucket)
yield bucket
time.sleep(3)
bucket.delete(force=True)
# Set the value back.
os.environ['GOOGLE_CLOUD_PROJECT'] = original_value
def test_view_bucket_iam_members(capsys, bucket):
storage_view_bucket_iam_members.view_bucket_iam_members(bucket.name)
assert re.match("Role: .*, Members: .*", capsys.readouterr().out)
def test_add_bucket_iam_member(bucket):
storage_add_bucket_iam_member.add_bucket_iam_member(bucket.name, ROLE, MEMBER)
policy = bucket.get_iam_policy(requested_policy_version=3)
assert any(
binding["role"] == ROLE and MEMBER in binding["members"]
for binding in policy.bindings
)
def test_add_bucket_conditional_iam_binding(bucket):
storage_add_bucket_conditional_iam_binding.add_bucket_conditional_iam_binding(
bucket.name,
ROLE,
CONDITION_TITLE,
CONDITION_DESCRIPTION,
CONDITION_EXPRESSION,
{MEMBER},
)
policy = bucket.get_iam_policy(requested_policy_version=3)
assert any(
binding["role"] == ROLE
and binding["members"] == {MEMBER}
and binding["condition"]
== {
"title": CONDITION_TITLE,
"description": CONDITION_DESCRIPTION,
"expression": CONDITION_EXPRESSION,
}
for binding in policy.bindings
)
def test_remove_bucket_iam_member(public_bucket):
storage_remove_bucket_iam_member.remove_bucket_iam_member(
public_bucket.name, ROLE, MEMBER)
policy = public_bucket.get_iam_policy(requested_policy_version=3)
assert not any(
binding["role"] == ROLE and MEMBER in binding["members"]
for binding in policy.bindings
)
def test_remove_bucket_conditional_iam_binding(bucket):
storage_remove_bucket_conditional_iam_binding.remove_bucket_conditional_iam_binding(
bucket.name, ROLE, CONDITION_TITLE, CONDITION_DESCRIPTION, CONDITION_EXPRESSION
)
policy = bucket.get_iam_policy(requested_policy_version=3)
condition = {
"title": CONDITION_TITLE,
"description": CONDITION_DESCRIPTION,
"expression": CONDITION_EXPRESSION,
}
assert not any(
(binding["role"] == ROLE and binding.get("condition") == condition)
for binding in policy.bindings
)
def test_set_bucket_public_iam(public_bucket):
# The test project has org policy restricting identities by domain.
# Testing "domain:google.com" instead of "allUsers"
storage_set_bucket_public_iam.set_bucket_public_iam(public_bucket.name, ["domain:google.com"])
policy = public_bucket.get_iam_policy(requested_policy_version=3)
assert any(
binding["role"] == "roles/storage.objectViewer"
and "domain:google.com" in binding["members"]
for binding in policy.bindings
)
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