private async Task ZMessagesFetchAsync(cMethodControl pMC, cSession pSession, cMessageHandleList pMessageHandles, cMessageCacheItems pItems, cMessageFetchConfiguration pConfiguration, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cIMAPClient), nameof(ZMessagesFetchAsync), pMC, pMessageHandles, pItems);
if (pMessageHandles.Count == 0)
{
return;
}
if (pItems.IsEmpty)
{
return;
}
if (pMessageHandles.TrueForAll(h => h.Contains(pItems)))
{
return;
}
cProgress lProgress;
if (pConfiguration == null)
{
lProgress = new cProgress();
}
else
{
mSynchroniser.InvokeActionInt(pConfiguration.SetCount, pMessageHandles.Count, lContext);
lProgress = new cProgress(mSynchroniser, pConfiguration.Increment);
}
await pSession.FetchCacheItemsAsync(pMC, pMessageHandles, pItems, lProgress, lContext).ConfigureAwait(false);
}
private void btnLogout_Click(object sender, EventArgs e)
{
try
{
cSession = client.adeLogout(cSession.session);
txtSession.Text = "";
grpStep2.Enabled = false;
grpStepX.Enabled = false;
}
catch (FaultException fe) { ShowFaultException(fe); }
}
private Task ZRequestStatus(cMethodControl pMC, cSession pSession, List <iMailboxHandle> pMailboxHandles, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cIMAPClient), nameof(ZRequestStatus), pMC);
List <Task> lTasks = new List <Task>();
foreach (var lMailboxHandle in pMailboxHandles)
{
if (lMailboxHandle.ListFlags?.CanSelect == true)
{
lTasks.Add(pSession.StatusAsync(pMC, lMailboxHandle, lContext));
}
}
return(Task.WhenAll(lTasks));
}
private void btnLogin_Click(object sender, EventArgs e)
{
try
{
cSession = client.adeLogin(txtLogin.Text, txtPassword.Text);
txtSession.Text = cSession.session;
grpStep2.Enabled = true;
grpStepX.Enabled = true;
}
catch (FaultException fe)
{
txtSession.Text = fe.Code.Name;
ShowFaultException(fe);
}
}
private async Task <List <cMessage> > ZMessagesSortAsync(cMethodControl pMC, cSession pSession, iMailboxHandle pMailboxHandle, cSort pSort, cFilter pFilter, cMessageCacheItems pItems, cMessageFetchConfiguration pConfiguration, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cIMAPClient), nameof(ZMessagesSortAsync), pMC, pMailboxHandle, pSort, pFilter, pItems);
cMessageHandleList lMessageHandles;
if (pSession.Capabilities.ESort)
{
lMessageHandles = await pSession.SortExtendedAsync(pMC, pMailboxHandle, pFilter, pSort, lContext).ConfigureAwait(false);
}
else
{
lMessageHandles = await pSession.SortAsync(pMC, pMailboxHandle, pFilter, pSort, lContext).ConfigureAwait(false);
}
await ZMessagesFetchAsync(pMC, pSession, lMessageHandles, pItems, pConfiguration, lContext).ConfigureAwait(false);
return(ZMessagesFlatMessageList(lMessageHandles, lContext));
}
private async Task ZConnectAsync(cTrace.cContext pParentContext)
{
var lContext = mRootContext.NewMethod(nameof(cIMAPClient), nameof(ZConnectAsync));
if (mDisposed)
{
throw new ObjectDisposedException(nameof(cIMAPClient));
}
cServer lServer = Server;
cCredentials lCredentials = Credentials;
if (lServer == null)
{
throw new InvalidOperationException("connect requires server to be set");
}
if (lCredentials == null)
{
throw new InvalidOperationException("connect requires credentials to be set");
}
bool lSessionReplaced;
if (mSession == null)
{
lSessionReplaced = false;
}
else
{
if (!mSession.IsUnconnected)
{
throw new InvalidOperationException(kInvalidOperationExceptionMessage.NotUnconnected);
}
mSession.Dispose();
lSessionReplaced = true;
mNamespaces = null;
mInbox = null;
mSynchroniser.InvokePropertyChanged(nameof(Inbox), lContext);
}
// initialise the SASLs
foreach (var lSASL in lCredentials.SASLs)
{
lSASL.LastAuthentication = null;
}
mSession = new cSession(mSynchroniser, mIgnoreCapabilities, mMailboxCacheDataItems, mNetworkWriteConfiguration, mIdleConfiguration, mFetchCacheItemsConfiguration, mFetchBodyReadConfiguration, mEncoding, lContext);
var lSession = mSession;
if (lSessionReplaced)
{
mSynchroniser.InvokePropertyChanged(nameof(Capabilities), lContext);
mSynchroniser.InvokePropertyChanged(nameof(ConnectionState), lContext);
mSynchroniser.InvokePropertyChanged(nameof(IsConnected), lContext);
mSynchroniser.InvokePropertyChanged(nameof(IsUnconnected), lContext);
mSynchroniser.InvokePropertyChanged(nameof(ConnectedAccountId), lContext);
mSynchroniser.InvokePropertyChanged(nameof(EnabledExtensions), lContext);
mSynchroniser.InvokePropertyChanged(nameof(HomeServerReferral), lContext);
mSynchroniser.InvokePropertyChanged(nameof(ServerId), lContext);
mSynchroniser.InvokePropertyChanged(nameof(Namespaces), lContext);
mSynchroniser.InvokePropertyChanged(nameof(SelectedMailbox), lContext);
mSynchroniser.InvokePropertyChanged(nameof(SelectedMailboxDetails), lContext);
}
using (var lToken = mCancellationManager.GetToken(lContext))
{
var lMC = new cMethodControl(mTimeout, lToken.CancellationToken);
try
{
await lSession.ConnectAsync(lMC, lServer, lContext).ConfigureAwait(false);
if (lSession.Capabilities == null)
{
await lSession.CapabilityAsync(lMC, lContext).ConfigureAwait(false);
}
if (lSession.ConnectionState == eConnectionState.notauthenticated && !lSession.TLSInstalled && lSession.Capabilities.StartTLS)
{
await lSession.StartTLSAsync(lMC, lContext).ConfigureAwait(false);
await lSession.CapabilityAsync(lMC, lContext).ConfigureAwait(false);
}
object lOriginalCapabilities = lSession.Capabilities;
cCapabilities lCurrentCapabilities = lSession.Capabilities;
if (lSession.ConnectionState == eConnectionState.notauthenticated)
{
bool lTLSIssue = false;
bool lTriedCredentials = false;
Exception lAuthenticateException = null;
cAccountId lAccountId = new cAccountId(lServer.Host, lCredentials.Type, lCredentials.UserId);
bool lTLSInstalled = lSession.TLSInstalled;
if (lCredentials.TryAllSASLs)
{
foreach (var lSASL in lCredentials.SASLs)
{
if ((lSASL.TLSRequirement == eTLSRequirement.required && !lTLSInstalled) || (lSASL.TLSRequirement == eTLSRequirement.disallowed && lTLSInstalled))
{
lTLSIssue = true;
}
else
{
lTriedCredentials = true;
lAuthenticateException = await lSession.AuthenticateAsync(lMC, lAccountId, lSASL, lContext).ConfigureAwait(false);
if (lSession.ConnectionState != eConnectionState.notauthenticated || lAuthenticateException != null)
{
break;
}
}
}
}
else
{
foreach (var lSASL in lCredentials.SASLs)
{
if (lCurrentCapabilities.AuthenticationMechanisms.Contains(lSASL.MechanismName)) // no case-invariance required because SASL (rfc 2222) says only uppercase is allowed
{
if ((lSASL.TLSRequirement == eTLSRequirement.required && !lTLSInstalled) || (lSASL.TLSRequirement == eTLSRequirement.disallowed && lTLSInstalled))
{
lTLSIssue = true;
}
else
{
lTriedCredentials = true;
lAuthenticateException = await lSession.AuthenticateAsync(lMC, lAccountId, lSASL, lContext).ConfigureAwait(false);
if (lSession.ConnectionState != eConnectionState.notauthenticated || lAuthenticateException != null)
{
break;
}
}
}
}
}
if (lSession.ConnectionState == eConnectionState.notauthenticated && lAuthenticateException == null && !lCurrentCapabilities.LoginDisabled && lCredentials.Login != null)
{
if ((lCredentials.Login.TLSRequirement == eTLSRequirement.required && !lTLSInstalled) || (lCredentials.Login.TLSRequirement == eTLSRequirement.disallowed && lTLSInstalled))
{
lTLSIssue = true;
}
else
{
lTriedCredentials = true;
lAuthenticateException = await lSession.LoginAsync(lMC, lAccountId, lCredentials.Login, lContext).ConfigureAwait(false);
}
}
if (lSession.ConnectionState != eConnectionState.authenticated)
{
lContext.TraceError("could not authenticate");
// log out
await lSession.LogoutAsync(lMC, lContext).ConfigureAwait(false);
// throw an exception that indicates why we couldn't connect
if (lTriedCredentials)
{
if (lAuthenticateException != null)
{
throw lAuthenticateException;
}
throw new cCredentialsException(lContext);
}
throw new cAuthenticationMechanismsException(lTLSIssue, lContext); // the server has no mechanisms that we can try
}
// re-get the capabilities if we didn't get new ones as part of the authentication/ login OR if a security layer was installed (SASL requires this)
if (ReferenceEquals(lOriginalCapabilities, lSession.Capabilities) || lSession.SASLSecurityInstalled)
{
await lSession.CapabilityAsync(lMC, lContext).ConfigureAwait(false);
}
lCurrentCapabilities = lSession.Capabilities;
}
if (lCurrentCapabilities.Enable)
{
fEnableableExtensions lExtensions = fEnableableExtensions.none;
if (lCurrentCapabilities.UTF8Accept || lCurrentCapabilities.UTF8Only)
{
lExtensions = lExtensions | fEnableableExtensions.utf8;
}
if (lExtensions != fEnableableExtensions.none)
{
await lSession.EnableAsync(lMC, lExtensions, lContext).ConfigureAwait(false);
}
}
// enabled (lock in the capabilities and enabled extensions)
lSession.SetEnabled(lContext);
Task lIdTask;
if (lCurrentCapabilities.Id)
{
cId lClientId;
if ((lSession.EnabledExtensions & fEnableableExtensions.utf8) == 0)
{
lClientId = mClientId;
}
else
{
lClientId = mClientIdUTF8 ?? mClientId;
}
lIdTask = lSession.IdAsync(lMC, lClientId, lContext);
}
else
{
lIdTask = null;
}
if (lCurrentCapabilities.Namespace)
{
await lSession.NamespaceAsync(lMC, lContext).ConfigureAwait(false);
var lPersonalNamespaceNames = lSession.NamespaceNames?.Personal;
if (lPersonalNamespaceNames != null)
{
foreach (var lName in lPersonalNamespaceNames)
{
// special case, where the personal namespace is "INBOX/" (where "/" is the delimiter)
if (lName.Delimiter != null && lName.Prefix.Equals(cMailboxName.InboxString + lName.Delimiter, StringComparison.InvariantCultureIgnoreCase))
{
mInbox = new cMailbox(this, lSession.GetMailboxHandle(new cMailboxName(cMailboxName.InboxString, lName.Delimiter)));
mSynchroniser.InvokePropertyChanged(nameof(Inbox), lContext);
break;
}
cMailboxPathPattern lPattern = new cMailboxPathPattern(lName.Prefix, "%", lName.Delimiter);
if (lPattern.Matches(cMailboxName.InboxString))
{
mInbox = new cMailbox(this, lSession.GetMailboxHandle(new cMailboxName(cMailboxName.InboxString, lName.Delimiter)));
mSynchroniser.InvokePropertyChanged(nameof(Inbox), lContext);
break;
}
}
}
}
if (mInbox == null)
{
var lDelimiter = await lSession.ListDelimiterAsync(lMC, lContext).ConfigureAwait(false);
if (!lCurrentCapabilities.Namespace)
{
mNamespaces = new cNamespaces(this, new cNamespaceName[] { new cNamespaceName("", lDelimiter) }, null, null);
mSynchroniser.InvokePropertyChanged(nameof(Namespaces), lContext);
}
mInbox = new cMailbox(this, lSession.GetMailboxHandle(new cMailboxName(cMailboxName.InboxString, lDelimiter)));
mSynchroniser.InvokePropertyChanged(nameof(Inbox), lContext);
}
// wait for id to complete
if (lIdTask != null)
{
await lIdTask.ConfigureAwait(false);
}
// initialised (namespaces set, inbox available, id available (if server supports it); user may now issue commands)
lSession.SetInitialised(lContext);
}
catch when(lSession.ConnectionState != eConnectionState.disconnected)
{
lSession.Disconnect(lContext);
throw;
}
}
}
public VIPDayCarePage()
{
_Session = new cSession();
}
