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sts: test role policy around nonexistent objects

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Signed-off-by: Casey Bodley <cbodley@redhat.com>
This commit is contained in:
Casey Bodley 2021-04-07 11:33:46 -04:00
parent 8893cc49c5
commit 7276bee050
1 changed files with 83 additions and 0 deletions
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83
s3tests_boto3/functional/test_sts.py
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@ -257,6 +257,89 @@ def test_assume_role_creds_expiry():
s3bucket_error = e.response.get("Error", {}).get("Code")
eq(s3bucket_error,'AccessDenied')
@attr(resource='assume role')
@attr(method='head')
@attr(operation='check')
@attr(assertion='HEAD fails with 403 when role policy denies s3:ListBucket')
@attr('test_of_sts')
def test_assume_role_deny_head_nonexistent():
# create a bucket with the normal s3 client
bucket_name = get_new_bucket_name()
get_client().create_bucket(Bucket=bucket_name)
iam_client=get_iam_client()
sts_client=get_sts_client()
sts_user_id=get_alt_user_id()
default_endpoint=get_config_endpoint()
role_session_name=get_parameter_name()
policy_document = '{"Version":"2012-10-17","Statement":[{"Effect":"Allow","Principal":{"AWS":["arn:aws:iam:::user/'+sts_user_id+'"]},"Action":["sts:AssumeRole"]}]}'
(role_error,role_response,general_role_name)=create_role(iam_client,'/',None,policy_document,None,None,None)
eq(role_response['Role']['Arn'],'arn:aws:iam:::role/'+general_role_name)
# allow GetObject but deny ListBucket
role_policy = '{"Version":"2012-10-17","Statement":{"Effect":"Allow","Action":"s3:GetObject","Principal":"*","Resource":"arn:aws:s3:::*"}}'
(role_err,response)=put_role_policy(iam_client,general_role_name,None,role_policy)
eq(response['ResponseMetadata']['HTTPStatusCode'],200)
resp=sts_client.assume_role(RoleArn=role_response['Role']['Arn'],RoleSessionName=role_session_name)
eq(resp['ResponseMetadata']['HTTPStatusCode'],200)
s3_client = boto3.client('s3',
aws_access_key_id = resp['Credentials']['AccessKeyId'],
aws_secret_access_key = resp['Credentials']['SecretAccessKey'],
aws_session_token = resp['Credentials']['SessionToken'],
endpoint_url=default_endpoint,
region_name='')
status=200
try:
s3_client.head_object(Bucket=bucket_name, Key='nonexistent')
except ClientError as e:
status = e.response['ResponseMetadata']['HTTPStatusCode']
eq(status,403)
@attr(resource='assume role')
@attr(method='head')
@attr(operation='check')
@attr(assertion='HEAD fails with 404 when role policy allows s3:ListBucket')
@attr('test_of_sts')
def test_assume_role_allow_head_nonexistent():
# create a bucket with the normal s3 client
bucket_name = get_new_bucket_name()
get_client().create_bucket(Bucket=bucket_name)
iam_client=get_iam_client()
sts_client=get_sts_client()
sts_user_id=get_alt_user_id()
default_endpoint=get_config_endpoint()
role_session_name=get_parameter_name()
policy_document = '{"Version":"2012-10-17","Statement":[{"Effect":"Allow","Principal":{"AWS":["arn:aws:iam:::user/'+sts_user_id+'"]},"Action":["sts:AssumeRole"]}]}'
(role_error,role_response,general_role_name)=create_role(iam_client,'/',None,policy_document,None,None,None)
eq(role_response['Role']['Arn'],'arn:aws:iam:::role/'+general_role_name)
# allow GetObject and ListBucket
role_policy = '{"Version":"2012-10-17","Statement":{"Effect":"Allow","Action":["s3:GetObject","s3:ListBucket"],"Principal":"*","Resource":"arn:aws:s3:::*"}}'
(role_err,response)=put_role_policy(iam_client,general_role_name,None,role_policy)
eq(response['ResponseMetadata']['HTTPStatusCode'],200)
resp=sts_client.assume_role(RoleArn=role_response['Role']['Arn'],RoleSessionName=role_session_name)
eq(resp['ResponseMetadata']['HTTPStatusCode'],200)
s3_client = boto3.client('s3',
aws_access_key_id = resp['Credentials']['AccessKeyId'],
aws_secret_access_key = resp['Credentials']['SecretAccessKey'],
aws_session_token = resp['Credentials']['SessionToken'],
endpoint_url=default_endpoint,
region_name='')
status=200
try:
s3_client.head_object(Bucket=bucket_name, Key='nonexistent')
except ClientError as e:
status = e.response['ResponseMetadata']['HTTPStatusCode']
eq(status,404)
@attr(resource='assume role with web identity')
@attr(method='get')
@attr(operation='check')