Program.cs

// See https://aka.ms/new-console-template for more information

using HackMdBackup;

bool testMode = Environment.GetEnvironmentVariable("TEST_MODE") == "1";

string GetConfig(string envName, string defaultValue = "",bool isOptional = false)
{
    string? envVar = Environment.GetEnvironmentVariable(envName);

    if(!isOptional && string.IsNullOrEmpty(envVar) && string.IsNullOrEmpty(defaultValue))
    {
        throw new Exception($"Missing configuration env: {envName}");
    }

    return string.IsNullOrEmpty(envVar) ? defaultValue : envVar;
}

var pingHttp = new HttpClient();

string hcUrl = GetConfig("HEALTHCHECK_URL", isOptional: true);
if (!String.IsNullOrEmpty(hcUrl))
{
    await pingHttp.GetAsync($"{hcUrl}/start");
}

string gpgPublicKey = GetConfig("GPG_PUBKEY_FILE", "foo", isOptional: testMode);
string tarFile = GetConfig("BACKUP_TAR_PATH","/tmp/backup.tar.gz");
string webDriverEndpoint = GetConfig("WEBDRIVER_URL", "http://localhost:4444");

string s3Host = GetConfig("S3_HOST", isOptional: testMode);
string s3AccessKEy = GetConfig("S3_ACCESS_KEY", isOptional: testMode);
string s3SecretKey = GetConfig("S3_SECRET_KEY", isOptional: testMode);
string s3Bucket = GetConfig("S3_BUCKET", isOptional: testMode);

string cookieCsrf = GetConfig("COOKIE_CSRF", isOptional: true);
string cookieSessionId = GetConfig("COOKIE_SESSION_ID", isOptional: true);
string cookieUserId = GetConfig("COOKIE_USER_ID", isOptional: true);

HackMdApi api = new HackMdApi(webDriverEndpoint, testMode: testMode)
{
    GitHubUsername = GetConfig("GITHUB_USERNAME"),
    GitHubPassword = GetConfig("GITHUB_PASSWORD"),
    GitHub2FaSeed = GetConfig("GITHUB_OTP_SEED"),
    BackupPath = GetConfig("BACKUP_PATH","."),
    CredetialCachePath = GetConfig("CREDENTIAL_CACHE_PATH","."),
    HackMdHost = GetConfig("HACKMD_HOST"),
};

if (!string.IsNullOrEmpty(cookieSessionId))
{
    api.SetCookieExternal(cookieCsrf, cookieSessionId, cookieUserId);
}

Console.WriteLine("==> Pulling notes");
await api.GetAllNotes();

if (testMode)
{
    Console.WriteLine("==> Test mode: skipping compress/encrypt/upload");
    Console.WriteLine($"==> Backup files saved to: {api.BackupPath}");
    Console.WriteLine("done.");
    return;
}

FileProcessor fp = new FileProcessor();

Console.WriteLine("==> Compressing...");
fp.CreateTarGz(tarFile, api.BackupPath);

Console.WriteLine("==> Encrypting...");
string datetime = DateTime.UtcNow.ToString("s").Replace(':', '-');
string encryptedFile = $"{tarFile}.{datetime}.gpg";
fp.EncryptFile(tarFile, gpgPublicKey, encryptedFile, false, true);

Console.WriteLine("==> Send to S3 storage");
var s3 = new S3Uploader(s3Host, s3AccessKEy, s3SecretKey, s3Bucket);
await s3.UploadFileAsync(encryptedFile);

await pingHttp.GetAsync($"{hcUrl}");
Console.WriteLine("done.");