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How to use assume_role_with_saml method in localstack

Best Python code snippet using localstack_python

server.py

Source:server.py

...7from pprint import pprint8import boto39sts = boto3.client('sts')10accounts_by_number = {}11def assume_role_with_saml(saml_response: str, role_arn: str, principal_name: str) -> Path:12    account_number = re.search(r'(\d+)', role_arn).group(0)13    response = sts.assume_role_with_saml(14        RoleArn=role_arn,15        PrincipalArn='arn:aws:iam::{account}:saml-provider/{PrincipalName}'.format(16            account=account_number, PrincipalName=principal_name17        ),18        SAMLAssertion=saml_response,19        DurationSeconds=3600 * 1220    )21    pprint(response)22    credentials = response['Credentials']23    credentials_ini = (pathlib.Path.home() / '.aws' / 'credentials')24    cp = ConfigParser()25    cp.read(credentials_ini)26    account_name = accounts_by_number.get(account_number, account_number)27    for section in {'default', account_name}:28        cp.remove_section(section)29        cp.add_section(section)30        cp.set(section, 'aws_access_key_id', credentials['AccessKeyId'])31        cp.set(section, 'aws_secret_access_key', credentials['SecretAccessKey'])32        cp.set(section, 'aws_session_token', credentials['SessionToken'])33    with open(credentials_ini, mode='w') as fo:34        cp.write(fo)35    return credentials_ini36class MyHttpRequestHandler(SimpleHTTPRequestHandler):37    principal_name: str38    def do_POST(self):39        content_length = int(self.headers['Content-Length'])40        request_body = self.rfile.read(content_length).decode('utf-8')41        print(request_body)42        request_dict = json.loads(request_body)43        pprint(request_dict)44        if self.path == '/saml':45            status = 20046            try:47                credentials_ini = assume_role_with_saml(48                    request_dict['SAMLResponse'], request_dict['roleARN'], self.principal_name49                )50                body = {'credentials_ini': str(credentials_ini)}51            except Exception as e:52                status = 40053                body = {'error': str(e)}54            self.send_response(status)55            self.send_header('Access-Control-Allow-Origin', '*')56            self.send_header('Content-type', 'application/json')57            self.end_headers()58            self.wfile.write(bytes(json.dumps(body), encoding='utf8'))59        else:60            self.send_error(404, self.path)61def run(identity_provider_name: str):...

conftest.py

Source:conftest.py

1from datetime import datetime, timedelta2import copy3import logging4import mock5import pytest6from dateutil.tz import tzlocal7from tests import create_assertion8@pytest.fixture9def mock_botocore_client():10    return mock.Mock()11@pytest.fixture12def client_creator(mock_botocore_client):13    # Create a mock sts client that returns a specific response14    # for assume_role_with_saml.15    expiration = datetime.now(tzlocal()) + timedelta(days=1)16    mock_botocore_client.assume_role_with_saml.return_value = {17        'Credentials': {18            'AccessKeyId': 'foo',19            'SecretAccessKey': 'bar',20            'SessionToken': 'baz',21            'Expiration': expiration22        },23    }24    return mock.Mock(return_value=mock_botocore_client)25@pytest.fixture26def prompter():27    return mock.Mock(return_value='mypassword')28@pytest.fixture29def login_form():30    return (31        '<html>'32        '<form action="login">'33        '<input name="username"/>'34        '<input name="password"/>'35        '</form>'36        '</html>'37    )38@pytest.fixture(params=[39    {'reversed': False},40    {'reversed': True}41])42def assertion(request):43    provider_arn = 'arn:aws:iam::123456789012:saml-provider/Example'44    role_arn = 'arn:aws:iam::123456789012:role/monty'45    is_reversed = request.param.get('reversed', False)46    if not is_reversed:47        config_string = '%s,%s' % (provider_arn, role_arn)48    else:49        config_string = '%s,%s' % (role_arn, provider_arn)50    return create_assertion([config_string])51@pytest.fixture(autouse=True)52def reset_logger():53    """Makes sure that mutations to the logger don't persist between tests."""54    logger = logging.getLogger('awsprocesscreds')55    original_level = logger.level56    original_handlers = copy.copy(logger.handlers)57    original_filters = copy.copy(logger.filters)58    # Everything after the yield will be called during test cleanup.59    yield60    logger.setLevel(original_level)61    for handler in logger.handlers:62        if handler not in original_handlers:63            logger.removeHandler(handler)64    for log_filter in logger.filters:65        if log_filter not in original_filters:66            logger.removeFilter(log_filter)67@pytest.fixture68def cache_dir(tmpdir):69    cache_directory = tmpdir.mkdir('awscreds-saml-cache')...

__main__.py

Source:__main__.py

1#2# Copyright 2019 - binx.io B.V.3#4# Licensed under the Apache License, Version 2.0 (the "License");5# you may not use this file except in compliance with the License.6# You may obtain a copy of the License at7#8#     http://www.apache.org/licenses/LICENSE-2.09#10# Unless required by applicable law or agreed to in writing, software11# distributed under the License is distributed on an "AS IS" BASIS,12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.13# See the License for the specific language governing permissions and14# limitations under the License.15#16import logging17import click18from auth0_login import fatal19from auth0_login.aws import assume_role_with_saml20from auth0_login.config import setting21from auth0_login.saml import get_saml_token22@click.group(name='saml-login', help="A command line utility to obtain SAML tokens and AWS credentials.")23@click.option('--verbose', is_flag=True, default=False, help=' for tracing purposes')24@click.option('--configuration', '-c', default="DEFAULT", help='configured in .saml-login to use')25def cli(verbose, configuration):26    logging.basicConfig(format='%(levelname)s:%(message)s', level=(logging.DEBUG if verbose else logging.INFO))27    setting.filename = '.saml-login'28    setting.SECTION = configuration29    if not setting.exists:30        fatal('no configuration %s found in %s', configuration, setting.filename)31cli.add_command(get_saml_token)32cli.add_command(assume_role_with_saml)33if __name__ == '__main__':...

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