public async Task Export(string path, List <CtfChallangeModel> ctfChallanges)
{
if (!Directory.Exists(path))
{
try
{
Directory.CreateDirectory(path);
}
catch (Exception ex)
{
_logger.Error($"Failed to create folder for ctf. {ex.Message}");
return;
}
}
string exportFile = Path.Combine(path, $"{Guid.NewGuid()}.zip");
using FileStream fileStream = new FileStream(exportFile, FileMode.CreateNew);
using ZipArchive zipArchive = new ZipArchive(fileStream, ZipArchiveMode.Create, false);
CTFdBaseModel <CTFdAlembicVersionModel> alembicVersion = GetAlembicVersion();
await WriteZipDbEntry(zipArchive, ALEMBIC_VERSION_ENTRY_NAME, alembicVersion);
CTFdBaseModel <CTFdChallengeModel> challanges = GetChallanges(ctfChallanges);
await WriteZipDbEntry(zipArchive, CHALLENGES_ENTRY_NAME, challanges);
CTFdBaseModel <CTFdFlagModel> flags = GetFlags(ctfChallanges);
await WriteZipDbEntry(zipArchive, FLAGS_ENTRY_NAME, flags);
}
private static async Task WriteZipDbEntry <T>(ZipArchive zipArchive, string entryName, CTFdBaseModel <T> model)
{
JsonSerializerSettings jsonSerializerSettings = new JsonSerializerSettings
{
ContractResolver = new DefaultContractResolver
{
NamingStrategy = new SnakeCaseNamingStrategy(),
},
DateTimeZoneHandling = DateTimeZoneHandling.Utc,
};
using Stream zipStream = zipArchive.CreateEntry(entryName, CompressionLevel.Fastest).Open();
string json = JsonConvert.SerializeObject(model, jsonSerializerSettings);
byte[] data = Encoding.UTF8.GetBytes(json);
await zipStream.WriteAsync(data, 0, data.Length);
}
