private async Task AddToLocalStorage(ConfigFileEntry fileEntry)
{
var listOfFiles = await localStorage.GetItemAsync <List <ConfigFileEntry> >("files");
listOfFiles.Add(fileEntry);
await localStorage.SetItemAsync("files", listOfFiles);
}
public async Task <bool> UploadFileAsync(Stream fs, string fileName, string algorithm, string key)
{
string fileId = null;
using (var form = new MultipartFormDataContent())
using (var streamContent = new StreamContent(fs))
{
form.Add(new StringContent(fileName, Encoding.UTF8, "text/plain"), "\"FileName\"");
var byteArray = await streamContent.ReadAsByteArrayAsync();
TigerHash tigerHasher = new TigerHash();
byte[] hashed = tigerHasher.Hash(byteArray, byteArray.Length);
string hashedBase64String = Convert.ToBase64String(hashed);
form.Add(new StringContent(hashedBase64String, Encoding.UTF8, "text/plain"), "\"HashValue\"");
Console.WriteLine("Encryption left only");
byte[] encrypted = await EncryptFile(byteArray, algorithm, key);
Stream stream = new MemoryStream(encrypted);
var encryptedStreamContent = new StreamContent(stream);
form.Add(encryptedStreamContent, "\"Content\"", fileName);
Console.WriteLine("Form ready to post");
var response = await this.httpClient.PostAsync("api/Files/", form);
encryptedStreamContent.Dispose();
if (response.IsSuccessStatusCode)
{
var responseString = await response.Content.ReadAsStringAsync();
var fileObject = JsonConvert.DeserializeObject <FileResult>(responseString);
fileId = fileObject.Id.ToString();
Console.WriteLine("Posted: " + fileId);
}
}
if (String.IsNullOrEmpty(fileId))
{
return(false);
}
// add to localstorage
ConfigFileEntry fileEntry = new ConfigFileEntry
{
Id = fileId,
FileName = fileName,
Algorithm = algorithm,
Key = key
};
await AddToLocalStorage(fileEntry);
return(true);
}
