Function my_handler

examples/s3/main.cpp:27–54

char const TAG[] = "LAMBDA_ALLOC";

static invocation_response my_handler(invocation_request const& req, Aws::S3::S3Client const& client)
{
    using namespace Aws::Utils::Json;
    JsonValue json(req.payload);
    if (!json.WasParseSuccessful()) {
        return invocation_response::failure("Failed to parse input JSON", "InvalidJSON");
    }

    auto v = json.View();

    if (!v.ValueExists("s3bucket") || !v.ValueExists("s3key") || !v.GetObject("s3bucket").IsString() ||
        !v.GetObject("s3key").IsString()) {
        return invocation_response::failure("Missing input value s3bucket or s3key", "InvalidJSON");
    }

    auto bucket = v.GetString("s3bucket");
    auto key = v.GetString("s3key");

    AWS_LOGSTREAM_INFO(TAG, "Attempting to download file from s3://" << bucket << "/" << key);

    Aws::String base64_encoded_file;
    auto err = download_and_encode_file(client, bucket, key, base64_encoded_file);
    if (!err.empty()) {
        return invocation_response::failure(err, "DownloadFailure");
    }

    return invocation_response::success(std::move(base64_encoded_file), "application/base64");
}

std::function<std::shared_ptr<Aws::Utils::Logging::LogSystemInterface>()> GetConsoleLoggerFactory()
{