public async Task<Pop3CommandReply> HandlePass(string username, string password)
{
var accountRepository = _container.GetInstance<IAccountRepository>();
_account = await accountRepository.ValidatePasswordAsync(username, password);
if (_account == null)
return new Pop3CommandReply(false, "Invalid username or password");
var folderRepository = _container.GetInstance<IFolderRepository>();
var inbox = await folderRepository.GetInbox(_account.Id);
var messageRepository = _container.GetInstance<IMessageRepository>();
_messages = await messageRepository.GetMessages(_account.Id, inbox.Id);
return Pop3CommandReply.CreateDefaultSuccess();
}
private string GetAccountMessageDirectory(Account account)
{
var mailbox = EmailAddressParser.GetMailbox(account.Address);
var domain = EmailAddressParser.GetDomain(account.Address);
return Path.Combine(_dataDirectory, domain, mailbox);
}
private string GetMessageFullFileName(Account account, Message message)
{
var accountMessageDirectory = GetAccountMessageDirectory(account);
var messageDirectory = Path.Combine(accountMessageDirectory, message.Filename.Substring(0, 2));
var messageFileFullPath = Path.Combine(messageDirectory, message.Filename);
return messageFileFullPath;
}
public Stream GetMessageData(Account account, Message message)
{
var messageFileFullPath = GetMessageFullFileName(account, message);
return File.OpenRead(messageFileFullPath);
}
public Task<Message> CreateAccountLevelMessageAsync(Message message, Account account, Folder folder)
{
if (message == null)
throw new ArgumentNullException(nameof(message));
if (account == null)
throw new ArgumentNullException(nameof(account));
var clonedMessage = message.Clone();
clonedMessage.Id = 0;
clonedMessage.AccountId = account.Id;
clonedMessage.FolderId = folder.Id;
clonedMessage.Filename = Path.ChangeExtension(Guid.NewGuid().ToString(), ".eml");
clonedMessage.Recipients = new List<Recipient>();
var messageFileFullPath = GetMessageFullFileName(account, clonedMessage);
var messageDirectory = Path.GetDirectoryName(messageFileFullPath);
// TODO: Should be possible to do this asynchronously.
Directory.CreateDirectory(messageDirectory);
File.Copy(Path.Combine(_dataDirectory, message.Filename), messageFileFullPath);
return Task.FromResult(clonedMessage);
}
public async Task DeleteAsync(Account account, Message message)
{
if (account == null)
throw new ArgumentNullException(nameof(account));
if (message == null)
throw new ArgumentNullException(nameof(message));
var filename = GetMessageFullFileName(account, message);
using (var sqlConnection = new MySqlConnection(_connectionString))
{
sqlConnection.Open();
await sqlConnection.DeleteAsync(message);
await DeleteRecipientsAsync(message, sqlConnection);
}
File.Delete(filename);
}