private void CheckAndEnableSigV4A()

in tools/code-generation/generator/src/main/java/com/amazonaws/util/awsclientgenerator/generators/cpp/CppClientGenerator.java [225:251]

24 lines of code
14 McCabe index (conditional complexity)


    private void CheckAndEnableSigV4A(final ServiceModel serviceModel, VelocityContext context) {
        List<String> c2jAuthList = serviceModel.getMetadata().getAuth();
        String serviceId = serviceModel.getMetadata().getServiceId();
        if (c2jAuthList != null && c2jAuthList.contains("aws.auth#sigv4a") ||
             servicesMissingMultiAuthMRAPTrait.contains(serviceId)) {
            context.put("multiRegionAccessPointSupported", true);
        }
        // todo: remove these checks later
        if (!context.containsKey("multiRegionAccessPointSupported")) {
            boolean hasSigV4AOperation = serviceModel.getOperations().values().stream()
                    .anyMatch(op -> op.getAuth() != null && op.getAuth().contains("aws.auth#sigv4a"));

            if (serviceModel.getEndpointRules() != null &&
                    (serviceModel.getEndpointRules().contains("\"sigv4a\"") || hasSigV4AOperation)) {
                throw new RuntimeException("Endpoint rules or operation reference sigv4a auth scheme but c2j model " + serviceId +
                        " does not list aws.auth#sigv4a as a supported auth!");
            }
        }

        if (c2jAuthList != null) {
            boolean hasSigV4AndBearer = c2jAuthList.contains("smithy.api#httpBearerAuth") &&
                    (c2jAuthList.contains("aws.auth#sigv4a") || c2jAuthList.contains("aws.auth#sigv4"));
            if (!serviceModel.isUseSmithyClient() && hasSigV4AndBearer) {
                throw new RuntimeException("SDK Clients cannot mix AWS and Bearer Credentials without enabling Smithy Identity!");
            }
        }
    }