public StartTlsTransaction(ImapConnection connection, UpgradeConnectionStreamCallback createAuthenticatedStreamCallback)
: base(connection)
{
if (createAuthenticatedStreamCallback == null)
throw new ArgumentNullException("createAuthenticatedStreamCallback");
this.createAuthenticatedStreamCallback = createAuthenticatedStreamCallback;
}
public LoginTransaction(ImapConnection connection, NetworkCredential credential)
: base(connection)
{
if (credential == null)
throw new ArgumentNullException("credential");
this.credential = credential;
}
public AuthenticateTransaction(ImapConnection connection, NetworkCredential credential, bool sendInitialResponse)
: base(connection)
{
if (credential == null)
throw new ArgumentNullException("credential");
this.credential = credential;
this.sendInitialResponse = sendInitialResponse;
this.disposeMechanism = true;
}
public AuthenticateTransaction(ImapConnection connection, SaslClientMechanism authMechanism, bool sendInitialResponse)
: base(connection)
{
if (authMechanism == null)
throw new ArgumentNullException("authMechanism");
this.saslMechanism = authMechanism;
this.sendInitialResponse = sendInitialResponse;
this.disposeMechanism = false;
}
public CompressTransaction(ImapConnection connection)
: base(connection)
{
}
public GreetingTransaction(ImapConnection connection)
: base(connection)
{
}
public UnsubscribeTransaction(ImapConnection connection)
: base(connection)
{
}
public SearchTransaction(ImapConnection connection, bool uid, ImapCapability resultSpecifierCapabilityRequirement)
: base(connection, uid, resultSpecifierCapabilityRequirement)
{
}
public CreateTransaction(ImapConnection connection, ImapCapability createParametersCapabilityRequirement)
: base(connection)
{
this.createParametersCapabilityRequirement = createParametersCapabilityRequirement;
}
public CheckTransaction(ImapConnection connection)
: base(connection)
{
}
public IdleTransaction(ImapConnection connection, object keepIdleState, ImapKeepIdleCallback keepIdleCallback)
: base(connection)
{
this.keepIdleState = keepIdleState;
this.keepIdleCallback = keepIdleCallback;
}
protected SubscribeTransactionBase(ImapConnection connection)
: base(connection)
{
}
public DeleteTransaction(ImapConnection connection)
: base(connection)
{
}
public ListExtendedTransaction(ImapConnection connection)
: base(connection)
{
}
public SendCommandTransactionBase(ImapConnection connection)
: base(connection)
{
}
protected SelectTransactionBase(ImapConnection connection, ImapMailbox selectingMailbox, ImapCapability selectParametersCapabilityRequirement)
: base(connection)
{
this.selectingMailbox = selectingMailbox;
this.selectParametersCapabilityRequirement = selectParametersCapabilityRequirement;
}
public LogoutTransaction(ImapConnection connection)
: base(connection)
{
}
public NoOpTransaction(ImapConnection connection)
: base(connection)
{
}
protected NoOpTransactionBase(ImapConnection connection)
: base(connection)
{
}
public ExamineTransaction(ImapConnection connection, ImapMailbox selectingMailbox, ImapCapability selectParametersCapabilityRequirement)
: base(connection, selectingMailbox, selectParametersCapabilityRequirement)
{
}
public XListTransaction(ImapConnection connection)
: base(connection)
{
}
public GetQuotaTransaction(ImapConnection connection)
: base(connection)
{
}
/*
* must be checked by caller
ImapCapability IImapExtension.RequiredCapability {
get { throw new NotImplementedException(); }
}
*/
public SetMetadataTransaction(ImapConnection connection)
: base(connection)
{
}
public RenameTransaction(ImapConnection connection)
: base(connection)
{
}
public CloseTransaction(ImapConnection connection)
: base(connection)
{
}
public UnselectTransaction(ImapConnection connection)
: base(connection)
{
}
private void CloseConnection()
{
if (connection == null)
return;
try {
TraceInfo("disconnecting");
connection.Close();
TraceInfo("disconnected");
}
finally {
TransitStateTo(ImapSessionState.NotConnected);
connection = null;
}
}
public LsubTransaction(ImapConnection connection)
: base(connection)
{
}
/*
* transaction methods : connect/disconnect
*/
private void Connect(string host, int port, UpgradeConnectionStreamCallback createAuthenticatedStreamCallback)
{
TraceInfo("connecting");
this.connection = new ImapConnection(host, port, createAuthenticatedStreamCallback);
TraceInfo("connected");
SetServerCapabilities(new ImapCapabilityList(new[] {
ImapCapability.Imap4Rev1 /* required by GreetingTransaction */
}));
ImapCommandResult result;
using (var t = new GreetingTransaction(connection)) {
try {
result = ProcessTransaction(t);
if (result.Code == ImapCommandResultCode.Bye) {
var refferalResponseCode = result.GetResponseCode(ImapResponseCode.Referral);
if (refferalResponseCode != null) {
// RFC 2221 IMAP4 Login Referrals
// http://tools.ietf.org/html/rfc2221
// 4.2. BYE at connection startup referral
// An IMAP4 server MAY respond with an untagged BYE and a REFERRAL
// response code that contains an IMAP URL to a home server if it is not
// willing to accept connections and wishes to direct the client to
// another IMAP4 server.
var referToUri = ImapResponseTextConverter.FromReferral(refferalResponseCode.ResponseText)[0];
if (handlesReferralAsException) {
throw new ImapLoginReferralException(string.Format("try another server: '{0}'", refferalResponseCode.ResponseText.Text),
referToUri);
}
else {
Trace.Info("login referral: '{0}'", refferalResponseCode.ResponseText.Text);
Trace.Info(" try to connect to {0}", referToUri);
}
}
}
if (result.Failed)
throw new ImapConnectionException(string.Concat("connection refused or establishment failed: ", result.ResultText));
}
catch (TimeoutException ex) {
throw new ImapConnectionException("connection timed out", ex);
}
if (result.Code == ImapCommandResultCode.PreAuth) {
UpdateAuthority(null, null);
TransitStateTo(ImapSessionState.Authenticated);
}
else {
TransitStateTo(ImapSessionState.NotAuthenticated);
}
// 7.1. Server Responses - Status Responses
// CAPABILITY
// Followed by a list of capabilities. This can appear in the
// initial OK or PREAUTH response to transmit an initial
// capabilities list. This makes it unnecessary for a client to
// send a separate CAPABILITY command if it recognizes this
// response.
var capabilityResponseCode = result.GetResponseCode(ImapResponseCode.Capability);
if (capabilityResponseCode == null)
// clear server capabilities
SetServerCapabilities(new ImapCapabilityList());
else
SetServerCapabilities(ImapResponseTextConverter.FromCapability(capabilityResponseCode.ResponseText));
}
}
