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How to use authorize_invocation method in localstack

Best Python code snippet using localstack_python

invocations.py

Source:invocations.py

...114# ------------115def run_authorizer(invocation_context: ApiInvocationContext, authorizer: Dict):116    # TODO implement authorizers117    pass118def authorize_invocation(invocation_context: ApiInvocationContext):119    client = aws_stack.connect_to_service("apigateway")120    authorizers = client.get_authorizers(restApiId=invocation_context.api_id, limit=100).get(121        "items", []122    )123    for authorizer in authorizers:124        run_authorizer(invocation_context, authorizer)125def validate_api_key(api_key: str, stage: str):126    usage_plan_ids = []127    client = aws_stack.connect_to_service("apigateway")128    usage_plans = client.get_usage_plans()129    for item in usage_plans.get("items", []):130        api_stages = item.get("apiStages", [])131        usage_plan_ids.extend(132            item.get("id") for api_stage in api_stages if api_stage.get("stage") == stage133        )134    for usage_plan_id in usage_plan_ids:135        usage_plan_keys = client.get_usage_plan_keys(usagePlanId=usage_plan_id)136        for key in usage_plan_keys.get("items", []):137            if key.get("value") == api_key:138                return True139    return False140def is_api_key_valid(is_api_key_required: bool, headers: Dict[str, str], stage: str):141    if not is_api_key_required:142        return True143    api_key = headers.get("X-API-Key")144    if not api_key:145        return False146    return validate_api_key(api_key, stage)147def update_content_length(response: Response):148    if response and response.content is not None:149        response.headers["Content-Length"] = str(len(response.content))150def apply_request_parameters(151    uri: str, integration: Dict[str, Any], path_params: Dict[str, str], query_params: Dict[str, str]152):153    request_parameters = integration.get("requestParameters")154    uri = uri or integration.get("uri") or integration.get("integrationUri") or ""155    if request_parameters:156        for key in path_params:157            # check if path_params is present in the integration request parameters158            request_param_key = f"integration.request.path.{key}"159            request_param_value = f"method.request.path.{key}"160            if request_parameters.get(request_param_key) == request_param_value:161                uri = uri.replace(f"{{{key}}}", path_params[key])162    if integration.get("type") != "HTTP_PROXY" and request_parameters:163        for key in query_params.copy():164            request_query_key = f"integration.request.querystring.{key}"165            request_param_val = f"method.request.querystring.{key}"166            if request_parameters.get(request_query_key, None) != request_param_val:167                query_params.pop(key)168    return add_query_params_to_url(uri, query_params)169def apply_response_parameters(invocation_context: ApiInvocationContext):170    response = invocation_context.response171    integration = invocation_context.integration172    int_responses = integration.get("integrationResponses") or {}173    if not int_responses:174        return response175    entries = list(int_responses.keys())176    return_code = str(response.status_code)177    if return_code not in entries:178        if len(entries) > 1:179            LOG.info("Found multiple integration response status codes: %s", entries)180            return response181        return_code = entries[0]182    response_params = int_responses[return_code].get("responseParameters", {})183    for key, value in response_params.items():184        # TODO: add support for method.response.body, etc ...185        if str(key).lower().startswith("method.response.header."):186            header_name = key[len("method.response.header.") :]187            response.headers[header_name] = value.strip("'")188    return response189def invoke_rest_api_from_request(invocation_context: ApiInvocationContext):190    helpers.set_api_id_stage_invocation_path(invocation_context)191    try:192        return invoke_rest_api(invocation_context)193    except AuthorizationError as e:194        api_id = invocation_context.api_id195        return make_error_response("Not authorized to invoke REST API %s: %s" % (api_id, e), 403)196def invoke_rest_api(invocation_context: ApiInvocationContext):197    invocation_path = invocation_context.path_with_query_string198    raw_path = invocation_context.path or invocation_path199    method = invocation_context.method200    headers = invocation_context.headers201    # run gateway authorizers for this request202    authorize_invocation(invocation_context)203    extracted_path, resource = helpers.get_target_resource_details(invocation_context)204    if not resource:205        return make_error_response("Unable to find path %s" % invocation_context.path, 404)206    # validate request207    validator = RequestValidator(invocation_context, aws_stack.connect_to_service("apigateway"))208    if not validator.is_request_valid():209        return make_error_response("Invalid request body", 400)210    api_key_required = resource.get("resourceMethods", {}).get(method, {}).get("apiKeyRequired")211    if not is_api_key_valid(api_key_required, headers, invocation_context.stage):212        return make_error_response("Access denied - invalid API key", 403)213    integrations = resource.get("resourceMethods", {})214    integration = integrations.get(method, {})215    if not integration:216        # HttpMethod: '*'...

apigateway_listener.py

Source:apigateway_listener.py

...114    return data115def run_authorizer(api_id, headers, authorizer):116    # TODO implement authorizers117    pass118def authorize_invocation(api_id, headers):119    client = aws_stack.connect_to_service('apigateway')120    authorizers = client.get_authorizers(restApiId=api_id, limit=100).get('items', [])121    for authorizer in authorizers:122        run_authorizer(api_id, headers, authorizer)123def validate_api_key(api_key, stage):124    key = None125    usage_plan_id = None126    client = aws_stack.connect_to_service('apigateway')127    usage_plans = client.get_usage_plans()128    for item in usage_plans.get('items', []):129        api_stages = item.get('apiStages', [])130        for api_stage in api_stages:131            if api_stage.get('stage') == stage:132                usage_plan_id = item.get('id')133    if not usage_plan_id:134        return False135    usage_plan_keys = client.get_usage_plan_keys(usagePlanId=usage_plan_id)136    for item in usage_plan_keys.get('items', []):137        key = item.get('value')138    if key != api_key:139        return False140    return True141def is_api_key_valid(is_api_key_required, headers, stage):142    if not is_api_key_required:143        return True144    api_key = headers.get('X-API-Key')145    if not api_key:146        return False147    return validate_api_key(api_key, stage)148def update_content_length(response):149    if response and response.content:150        response.headers['Content-Length'] = str(len(response.content))151def apply_template(integration, req_res_type, data, path_params={}, query_params={}, headers={}):152    if integration['type'] in ['HTTP', 'AWS']:153        # apply custom request template154        template = integration.get('%sTemplates' % req_res_type, {}).get(APPLICATION_JSON)155        if template:156            context = {}157            context['body'] = data158            def _params(name=None):159                # See https://docs.aws.amazon.com/apigateway/latest/developerguide/160                #    api-gateway-mapping-template-reference.html#input-variable-reference161                # Returns "request parameter from the path, query string, or header value (searched in that order)"162                combined = {}163                combined.update(path_params or {})164                combined.update(query_params or {})165                combined.update(headers or {})166                return combined if not name else combined.get(name)167            context['params'] = _params168            data = aws_stack.render_velocity_template(template, context)169    return data170def get_api_id_stage_invocation_path(path):171    search_match = re.search(PATH_REGEX_USER_REQUEST, path)172    api_id = search_match.group(1)173    stage = search_match.group(2)174    relative_path_w_query_params = '/%s' % search_match.group(3)175    return api_id, stage, relative_path_w_query_params176def invoke_rest_api_from_request(method, path, data, headers, context={}):177    api_id, stage, relative_path_w_query_params = get_api_id_stage_invocation_path(path)178    try:179        return invoke_rest_api(api_id, stage, method, relative_path_w_query_params,180            data, headers, path=path, context=context)181    except AuthorizationError as e:182        return make_error_response('Not authorized to invoke REST API %s: %s' % (api_id, e), 403)183def invoke_rest_api(api_id, stage, method, invocation_path, data, headers, path=None, context={}):184    path = path or invocation_path185    relative_path, query_string_params = extract_query_string_params(path=invocation_path)186    # run gateway authorizers for this request187    authorize_invocation(api_id, headers)188    path_map = helpers.get_rest_api_paths(rest_api_id=api_id)189    try:190        extracted_path, resource = get_resource_for_path(path=relative_path, path_map=path_map)191    except Exception:192        return make_error_response('Unable to find path %s' % path, 404)193    api_key_required = resource.get('resourceMethods', {}).get(method, {}).get('apiKeyRequired')194    if not is_api_key_valid(api_key_required, headers, stage):195        return make_error_response('Access denied - invalid API key', 403)196    integrations = resource.get('resourceMethods', {})197    integration = integrations.get(method, {})198    if not integration:199        integration = integrations.get('ANY', {})200    integration = integration.get('methodIntegration')201    if not integration:...

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