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How to use auth_keys_from_connection method in localstack

Best Python code snippet using localstack_python

message_forwarding.py

Source:message_forwarding.py

...127            logEvents=[{"timestamp": now_utc(millis=True), "message": json.dumps(event)}],128        )129    else:130        LOG.warning('Unsupported Events rule target ARN: "%s"', target_arn)131def auth_keys_from_connection(connection: Dict):132    headers = {}133    auth_type = connection.get("AuthorizationType").upper()134    auth_parameters = connection.get("AuthParameters")135    if auth_type == AUTH_BASIC:136        basic_auth_parameters = auth_parameters.get("BasicAuthParameters", {})137        username = basic_auth_parameters.get("Username", "")138        password = basic_auth_parameters.get("Password", "")139        headers.update({"authorization": "Basic {}:{}".format(username, password)})140    if auth_type == AUTH_API_KEY:141        api_key_parameters = auth_parameters.get("ApiKeyAuthParameters", {})142        api_key_name = api_key_parameters.get("ApiKeyName", "")143        api_key_value = api_key_parameters.get("ApiKeyValue", "")144        headers.update({api_key_name: api_key_value})145    if auth_type == AUTH_OAUTH:146        oauth_parameters = auth_parameters.get("OAuthParameters", {})147        oauth_method = oauth_parameters.get("HttpMethod")148        oauth_endpoint = oauth_parameters.get("AuthorizationEndpoint", "")149        query_object = list_of_parameters_to_object(150            oauth_parameters.get("QueryStringParameters", [])151        )152        oauth_endpoint = add_query_params_to_url(oauth_endpoint, query_object)153        client_parameters = oauth_parameters.get("ClientParameters", {})154        client_id = client_parameters.get("ClientID", "")155        client_secret = client_parameters.get("ClientSecret", "")156        oauth_body = list_of_parameters_to_object(oauth_parameters.get("BodyParameters", []))157        oauth_body.update({"client_id": client_id, "client_secret": client_secret})158        oauth_header = list_of_parameters_to_object(oauth_parameters.get("HeaderParameters", []))159        oauth_result = requests.request(160            method=oauth_method,161            url=oauth_endpoint,162            data=json.dumps(oauth_body),163            headers=oauth_header,164        )165        oauth_data = json.loads(oauth_result.text)166        token_type = oauth_data.get("token_type", "")167        access_token = oauth_data.get("access_token", "")168        auth_header = "{} {}".format(token_type, access_token)169        headers.update({"authorization": auth_header})170    return headers171def list_of_parameters_to_object(items):172    return {item.get("Key"): item.get("Value") for item in items}173def send_event_to_api_destination(target_arn, event):174    """Send an event to an EventBridge API destination175    See https://docs.aws.amazon.com/eventbridge/latest/userguide/eb-api-destinations.html"""176    # ARN format: ...:api-destination/{name}/{uuid}177    region = target_arn.split(":")[3]178    api_destination_name = target_arn.split(":")[-1].split("/")[1]179    events_client = connect_to_service("events", region_name=region)180    destination = events_client.describe_api_destination(Name=api_destination_name)181    # get destination endpoint details182    method = destination.get("HttpMethod", "GET")183    endpoint = destination.get("InvocationEndpoint")184    state = destination.get("ApiDestinationState") or "ACTIVE"185    LOG.debug('Calling EventBridge API destination (state "%s"): %s %s', state, method, endpoint)186    headers = {187        # default headers AWS sends with every api destination call188        "User-Agent": "Amazon/EventBridge/ApiDestinations",189        "Content-Type": "application/json; charset=utf-8",190        "Range": "bytes=0-1048575",191        "Accept-Encoding": "gzip,deflate",192        "Connection": "close",193    }194    endpoint = add_api_destination_authorization(destination, headers, event)195    result = requests.request(196        method=method, url=endpoint, data=json.dumps(event or {}), headers=headers197    )198    if result.status_code >= 400:199        LOG.debug("Received code %s forwarding events: %s %s", result.status_code, method, endpoint)200        if result.status_code == 429 or 500 <= result.status_code <= 600:201            pass  # TODO: retry logic (only retry on 429 and 5xx response status)202def add_api_destination_authorization(destination, headers, event):203    connection_arn = destination.get("ConnectionArn", "")204    connection_name = re.search(r"connection\/([a-zA-Z0-9-_]+)\/", connection_arn).group(1)205    connection_region = extract_region_from_arn(connection_arn)206    # Using backend directly due to boto hiding passwords, keys and secret values207    event_backend = moto_events_backends.get(connection_region)208    connection = event_backend.describe_connection(name=connection_name)209    headers.update(auth_keys_from_connection(connection))210    auth_parameters = connection.get("AuthParameters", {})211    invocation_parameters = auth_parameters.get("InvocationHttpParameters")212    endpoint = destination.get("InvocationEndpoint")213    if invocation_parameters:214        header_parameters = list_of_parameters_to_object(215            invocation_parameters.get("HeaderParameters", [])216        )217        headers.update(header_parameters)218        body_parameters = list_of_parameters_to_object(219            invocation_parameters.get("BodyParameters", [])220        )221        event.update(body_parameters)222        query_parameters = invocation_parameters.get("QueryStringParameters", [])223        query_object = list_of_parameters_to_object(query_parameters)...

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