/// <summary>
/// Creates <see cref="ImapClient"/> instance.
/// </summary>
/// <param name="credentials"><see cref="MailCredentials"/> instance.</param>
/// <param name="errorMessages"><see cref="ImapErrorMessages"/> instance.</param>
/// <param name="userConnection"><see cref="UserConnection"/> instance.</param>
/// <param name="login">Flag indicates if need to login to imap server.</param>
public ImapClient(MailCredentials credentials, ImapErrorMessages errorMessages, UserConnection userConnection, bool login = true)
{
_userConnection = userConnection;
_client = CreateImapClient(credentials);
_remoteChangesCount = 0;
LocalChangesCount = 0;
string errorMessage = string.Empty;
try {
_currentMailboxName = credentials.SenderEmailAddress;
if (login)
{
string oauthClassName = GetOAuthClientClassNameBySender(_currentMailboxName);
if (oauthClassName.IsNotNullOrEmpty())
{
errorMessage = LocInvalidOAuthCredentials.ToString();
#if !NETSTANDARD2_0 // TODO #CRM-42481
OAuthClient oauthClient = (OAuthClient)Activator.CreateInstance(Type.GetType("Terrasoft.Configuration." + oauthClassName), credentials.SenderEmailAddress, userConnection);
string token = oauthClient.GetAccessToken();
#else
string token = string.Empty;
#endif
string xoAuthKey = OAuth2.GetXOAuthKeyStatic(credentials.SenderEmailAddress, token);
_client.Login(credentials.UserName, xoAuthKey, AuthenticationMethods.SaslOAuth2, MailBee.AuthenticationOptions.None, null);
}
else
{
errorMessage = LocLoginOrPwdWrong.ToString();
_client.Login(credentials.UserName, credentials.UserPassword);
}
}
} catch (Exception ex) {
throw new ImapException(errorMessage, ex);
}
}
private Imap CreateImapClient(MailCredentials credentials)
{
Imap client = new Imap();
SetImapLogging(client, credentials.SenderEmailAddress);
if (credentials.StartTls)
{
client.SslMode = SslStartupMode.UseStartTlsIfSupported;
}
client.SslProtocol = SecurityProtocol.Auto;
client.Timeout = credentials.Timeout > 0 ? credentials.Timeout : _defaultCredentialsTimeout;
try {
if (credentials.Port > 0)
{
client.Connect(credentials.Host, credentials.Port);
}
else
{
client.Connect(credentials.Host);
}
} catch (Exception ex) {
throw new ImapException(LocCanNotConnect.ToString(), ex);
}
if (credentials.UseSsl && !client.IsSslConnection)
{
throw new ImapException(LocServerNotSupportSslConnection);
}
return(client);
}
/// <summary>
/// Creates <see cref="ImapClient"/> instance.
/// </summary>
/// <param name="credentials"><see cref="MailCredentials"/> instance.</param>
/// <param name="errorMessages"><see cref="ImapErrorMessages"/> instance.</param>
/// <param name="userConnection"><see cref="UserConnection"/> instance.</param>
/// <param name="mailboxSettingsId">Mailbox synchronization settings unique identifier.</param>
/// <param name="login">Flag indicates if need to login to imap server.</param>
public ImapClient(MailCredentials credentials, ImapErrorMessages errorMessages, UserConnection userConnection, Guid mailboxSettingsId,
bool login = true)
: this(credentials, errorMessages, userConnection, login)
{
CurrentMailboxSettingsId = mailboxSettingsId;
}