public async Task CheckAsync(cMethodControl pMC, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cSession), nameof(CheckAsync), pMC);
if (mDisposed)
{
throw new ObjectDisposedException(nameof(cSession));
}
using (var lBuilder = new cCommandDetailsBuilder())
{
lBuilder.Add(await mSelectExclusiveAccess.GetBlockAsync(pMC, lContext).ConfigureAwait(false)); // block select
if (_ConnectionState != eConnectionState.selected)
{
return;
}
lBuilder.Add(await mMSNUnsafeBlock.GetBlockAsync(pMC, lContext).ConfigureAwait(false)); // this command is msnunsafe
lBuilder.Add(kCheckCommandPart);
var lResult = await mPipeline.ExecuteAsync(pMC, lBuilder.EmitCommandDetails(), lContext).ConfigureAwait(false);
if (lResult.ResultType == eCommandResultType.ok)
{
lContext.TraceInformation("check success");
return;
}
throw new cProtocolErrorException(lResult, 0, lContext);
}
}
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);
}
public async Task NoOpAsync(cMethodControl pMC, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cSession), nameof(NoOpAsync), pMC);
if (mDisposed)
{
throw new ObjectDisposedException(nameof(cSession));
}
if (_ConnectionState < eConnectionState.notauthenticated || _ConnectionState > eConnectionState.selected)
{
throw new InvalidOperationException(kInvalidOperationExceptionMessage.NotConnected);
}
using (var lBuilder = new cCommandDetailsBuilder())
{
if (!_Capabilities.QResync)
{
lBuilder.Add(await mSelectExclusiveAccess.GetBlockAsync(pMC, lContext).ConfigureAwait(false)); // block select if mailbox-data delivered during the command would be ambiguous
}
lBuilder.Add(await mMSNUnsafeBlock.GetBlockAsync(pMC, lContext).ConfigureAwait(false)); // this command is msnunsafe
lBuilder.Add(kNoOpCommandPart);
var lResult = await mPipeline.ExecuteAsync(pMC, lBuilder.EmitCommandDetails(), lContext).ConfigureAwait(false);
if (lResult.ResultType == eCommandResultType.ok)
{
lContext.TraceVerbose("noop success");
return;
}
throw new cProtocolErrorException(lResult, 0, lContext);
}
}
public async Task <iMailboxHandle> RenameAsync(cMethodControl pMC, iMailboxHandle pMailboxHandle, cMailboxName pMailboxName, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cSession), nameof(RenameAsync), pMC, pMailboxHandle, pMailboxName);
if (mDisposed)
{
throw new ObjectDisposedException(nameof(cSession));
}
if (_ConnectionState != eConnectionState.notselected && _ConnectionState != eConnectionState.selected)
{
throw new InvalidOperationException(kInvalidOperationExceptionMessage.NotConnected);
}
if (pMailboxHandle == null)
{
throw new ArgumentNullException(nameof(pMailboxHandle));
}
if (pMailboxName == null)
{
throw new ArgumentNullException(nameof(pMailboxName));
}
var lItem = mMailboxCache.CheckHandle(pMailboxHandle);
if (!mCommandPartFactory.TryAsMailbox(pMailboxName.Path, pMailboxName.Delimiter, out var lMailboxCommandPart, out _))
{
throw new ArgumentOutOfRangeException(nameof(pMailboxName));
}
using (var lBuilder = new cCommandDetailsBuilder())
{
if (!_Capabilities.QResync)
{
lBuilder.Add(await mSelectExclusiveAccess.GetBlockAsync(pMC, lContext).ConfigureAwait(false)); // block select if mailbox-data delivered during the command would be ambiguous
}
lBuilder.Add(await mMSNUnsafeBlock.GetBlockAsync(pMC, lContext).ConfigureAwait(false)); // this command is msnunsafe
lBuilder.Add(kRenameCommandPart, lItem.MailboxNameCommandPart, cCommandPart.Space, lMailboxCommandPart);
if (pMailboxHandle.MailboxName.IsInbox)
{
lItem = null; // renaming the inbox has special behaviour
}
var lHook = new cRenameCommandHook(mMailboxCache, lItem, pMailboxName);
lBuilder.Add(lHook);
var lResult = await mPipeline.ExecuteAsync(pMC, lBuilder.EmitCommandDetails(), lContext).ConfigureAwait(false);
if (lResult.ResultType == eCommandResultType.ok)
{
lContext.TraceInformation("rename success");
return(lHook.MailboxHandle);
}
if (lResult.ResultType == eCommandResultType.no)
{
throw new cUnsuccessfulCompletionException(lResult.ResponseText, 0, lContext);
}
throw new cProtocolErrorException(lResult, 0, lContext);
}
}
private async Task ZSelectAsync(iMailboxHandle pMailboxHandle, bool pForUpdate, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cIMAPClient), nameof(ZSelectAsync), pMailboxHandle, pForUpdate);
if (mDisposed)
{
throw new ObjectDisposedException(nameof(cIMAPClient));
}
var lSession = mSession;
if (lSession == null || !lSession.IsConnected)
{
throw new InvalidOperationException(kInvalidOperationExceptionMessage.NotConnected);
}
if (pMailboxHandle == null)
{
throw new ArgumentNullException(nameof(pMailboxHandle));
}
using (var lToken = mCancellationManager.GetToken(lContext))
{
var lMC = new cMethodControl(mTimeout, lToken.CancellationToken);
if (pForUpdate)
{
await lSession.SelectAsync(lMC, pMailboxHandle, lContext).ConfigureAwait(false);
}
else
{
await lSession.ExamineAsync(lMC, pMailboxHandle, lContext).ConfigureAwait(false);
}
}
}
public async Task FetchCacheItemsAsync(cMethodControl pMC, cMessageHandleList pMessageHandles, cMessageCacheItems pItems, cProgress pProgress, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cSession), nameof(FetchCacheItemsAsync), pMC, pMessageHandles, pItems);
if (mDisposed)
{
throw new ObjectDisposedException(nameof(cSession));
}
if (_ConnectionState != eConnectionState.selected)
{
throw new InvalidOperationException(kInvalidOperationExceptionMessage.NotSelected);
}
if (pMessageHandles == null)
{
throw new ArgumentNullException(nameof(pMessageHandles));
}
if (pItems == null)
{
throw new ArgumentNullException(nameof(pItems));
}
if (pProgress == null)
{
throw new ArgumentNullException(nameof(pProgress));
}
mMailboxCache.CheckInSelectedMailbox(pMessageHandles); // to be repeated inside the select lock
// split the handles into groups based on what attributes need to be retrieved, for each group do the retrieval
foreach (var lGroup in ZFetchCacheItemsGroups(pMessageHandles, pItems))
{
await ZFetchCacheItemsAsync(pMC, lGroup, pProgress, lContext).ConfigureAwait(false);
}
}
private async Task <cMailbox> ZCreateAsync(cMailboxName pMailboxName, bool pAsFutureParent, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cIMAPClient), nameof(ZCreateAsync), pMailboxName, pAsFutureParent);
if (mDisposed)
{
throw new ObjectDisposedException(nameof(cIMAPClient));
}
var lSession = mSession;
if (lSession == null || !lSession.IsConnected)
{
throw new InvalidOperationException(kInvalidOperationExceptionMessage.NotConnected);
}
if (pMailboxName == null)
{
throw new ArgumentNullException(nameof(pMailboxName));
}
using (var lToken = mCancellationManager.GetToken(lContext))
{
var lMC = new cMethodControl(mTimeout, lToken.CancellationToken);
var lMailboxHandle = await lSession.CreateAsync(lMC, pMailboxName, pAsFutureParent, lContext).ConfigureAwait(false);
return(new cMailbox(this, lMailboxHandle));
}
}
private async Task ZUIDStoreAsync(cMethodControl pMC, iMailboxHandle pMailboxHandle, uint pUIDValidity, cStoreFeedbackCollector pFeedbackCollector, eStoreOperation pOperation, cStorableFlags pFlags, ulong?pIfUnchangedSinceModSeq, cUIDStoreFeedback pFeedback, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cSession), nameof(ZStoreAsync), pMC, pMailboxHandle, pUIDValidity, pFeedbackCollector, pOperation, pFlags, pIfUnchangedSinceModSeq, pFeedback);
// no validation ... all the parameters have been validated already by the cSession by the time we get here
using (var lBuilder = new cCommandDetailsBuilder())
{
lBuilder.Add(await mSelectExclusiveAccess.GetBlockAsync(pMC, lContext).ConfigureAwait(false)); // block select
cSelectedMailbox lSelectedMailbox = mMailboxCache.CheckIsSelectedMailbox(pMailboxHandle, pUIDValidity);
if (!lSelectedMailbox.SelectedForUpdate)
{
throw new InvalidOperationException(kInvalidOperationExceptionMessage.NotSelectedForUpdate);
}
lBuilder.Add(await mMSNUnsafeBlock.GetBlockAsync(pMC, lContext).ConfigureAwait(false)); // this command is msnunsafe
lBuilder.AddUIDValidity(pUIDValidity); // the command is sensitive to UIDValidity changes
// build the command
lBuilder.Add(kUIDStoreCommandPartUIDStoreSpace, new cTextCommandPart(cSequenceSet.FromUInts(pFeedbackCollector.UInts)), cCommandPart.Space);
if (pIfUnchangedSinceModSeq != null)
{
lBuilder.Add(kStoreCommandPartLParenUnchangedSinceSpace, new cTextCommandPart(pIfUnchangedSinceModSeq.Value), kStoreCommandPartRParenSpace);
}
lBuilder.Add(pOperation, pFlags);
// add the hook
var lHook = new cCommandHookStore(pFeedbackCollector, pFeedback, lSelectedMailbox);
lBuilder.Add(lHook);
// submit the command
var lResult = await mPipeline.ExecuteAsync(pMC, lBuilder.EmitCommandDetails(), lContext).ConfigureAwait(false);
// note: the base spec states that non-existent UIDs are ignored without comment => a NO from a UID STORE is unexpected
if (lResult.ResultType == eCommandResultType.ok)
{
lContext.TraceInformation("uid store success");
return;
}
fCapabilities lTryIgnoring;
if (pIfUnchangedSinceModSeq == null)
{
lTryIgnoring = 0;
}
else
{
lTryIgnoring = fCapabilities.condstore;
}
if (lResult.ResultType == eCommandResultType.no)
{
throw new cUnsuccessfulCompletionException(lResult.ResponseText, lTryIgnoring, lContext);
}
throw new cProtocolErrorException(lResult, lTryIgnoring, lContext);
}
}
private async Task ZDisconnectAsync(cTrace.cContext pParentContext)
{
var lContext = mRootContext.NewMethod(nameof(cIMAPClient), nameof(ZDisconnectAsync));
if (mDisposed)
{
throw new ObjectDisposedException(nameof(cIMAPClient));
}
var lSession = mSession;
if (lSession == null || !lSession.IsConnected)
{
throw new InvalidOperationException(kInvalidOperationExceptionMessage.NotConnected);
}
using (var lToken = mCancellationManager.GetToken(lContext))
{
var lMC = new cMethodControl(mTimeout, lToken.CancellationToken);
try { await lSession.LogoutAsync(lMC, lContext).ConfigureAwait(false); }
catch when(lSession.ConnectionState != eConnectionState.disconnected)
{
lSession.Disconnect(lContext);
throw;
}
}
}
public async sealed override Task WriteAsync(cMethodControl pMC, cBytes pBytes, int pOffset, cBatchSizer pWriteSizer, cTrace.cContext pContext)
{
while (pOffset < pBytes.Count)
{
byte lByte = pBytes[pOffset++];
if (mBufferedCR)
{
mBufferedCR = false;
if (lByte == cASCII.LF)
{
await YWriteLineAsync(pMC, mLine, pWriteSizer, pContext).ConfigureAwait(false);
mLine.Clear();
continue;
}
mLine.Add(cASCII.CR);
}
if (lByte == cASCII.CR)
{
mBufferedCR = true;
}
else
{
mLine.Add(lByte);
}
}
}
public static void _Tests(cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cQuotedPrintableDecoder), nameof(_Tests));
if (LTest("testNow's the time = \r\n", "for all folk to come=\t \t \r\n", " to the aid of their country. \t\r\n") != "Now's the time for all folk to come to the aid of their country.\r\n")
{
throw new cTestsException($"{nameof(cQuotedPrintableDecoder)}.1");
}
string LTest(params string[] pLines)
{
var lMC = new cMethodControl(-1, System.Threading.CancellationToken.None);
var lWriteSizer = new cBatchSizer(new cBatchSizerConfiguration(1, 10, 1000, 1));
using (var lStream = new MemoryStream())
{
cDecoder lDecoder = new cQuotedPrintableDecoder(lStream);
int lOffset = 4;
foreach (var lLine in pLines)
{
lDecoder.WriteAsync(lMC, new cBytes(lLine), lOffset, lWriteSizer, lContext).Wait();
lOffset = 0;
}
lDecoder.FlushAsync(lMC, lWriteSizer, lContext).Wait();
return(new string(System.Text.Encoding.UTF8.GetChars(lStream.GetBuffer(), 0, (int)lStream.Length)));
}
}
}
protected async Task YWriteAsync(cMethodControl pMC, IList <byte> pBytes, int pOffset, cBatchSizer pWriteSizer, cTrace.cContext pContext)
{
if (mStream.CanTimeout)
{
mStream.WriteTimeout = pMC.Timeout;
}
while (pOffset < pBytes.Count)
{
if (mCount == 0)
{
mBuffer = new byte[pWriteSizer.Current];
}
while (mCount < mBuffer.Length && pOffset < pBytes.Count)
{
mBuffer[mCount++] = pBytes[pOffset++];
}
if (mCount < mBuffer.Length)
{
return;
}
await YFlushAsync(pMC, pWriteSizer, pContext).ConfigureAwait(false);
}
}
protected async override Task YWriteLineAsync(cMethodControl pMC, List <byte> pLine, cBatchSizer pWriteSizer, cTrace.cContext pContext)
{
// build the buffer to decode
mBytes.Clear();
foreach (var lByte in pLine)
{
if (cBase64.IsInAlphabet(lByte))
{
mBytes.Add(lByte);
}
}
// special case
if (mBytes.Count == 0)
{
return;
}
// decode
if (!cBase64.TryDecode(mBytes, out var lBytes, out var lError))
{
throw new cContentTransferDecodingException(lError, pContext);
}
await YWriteAsync(pMC, lBytes, 0, pWriteSizer, pContext).ConfigureAwait(false);
}
public async Task <Exception> LoginAsync(cMethodControl pMC, cAccountId pAccountId, cLogin pLogin, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cSession), nameof(LoginAsync), pMC, pAccountId);
if (mDisposed)
{
throw new ObjectDisposedException(nameof(cSession));
}
if (_ConnectionState != eConnectionState.notauthenticated)
{
throw new InvalidOperationException(kInvalidOperationExceptionMessage.NotUnauthenticated);
}
using (var lBuilder = new cCommandDetailsBuilder())
{
// note the lack of locking - this is only called during connect
lBuilder.Add(kLoginCommandPartLogin, cCommandPartFactory.AsASCIILiteral(pLogin.UserId), cCommandPart.Space, cCommandPartFactory.AsASCIILiteral(pLogin.Password));
var lHook = new cCommandHookInitial();
lBuilder.Add(lHook);
var lCapabilities = mPipeline.Capabilities;
var lResult = await mPipeline.ExecuteAsync(pMC, lBuilder.EmitCommandDetails(), lContext).ConfigureAwait(false);
if (lResult.ResultType == eCommandResultType.ok)
{
lContext.TraceInformation("login success");
ZAuthenticated(lCapabilities, lHook, lResult.ResponseText, pAccountId, lContext);
return(null);
}
if (lHook.Capabilities != null)
{
lContext.TraceError("received capability on a failed login");
}
if (lResult.ResultType == eCommandResultType.no)
{
lContext.TraceInformation("login failed: {0}", lResult.ResponseText);
if (ZSetHomeServerReferral(lResult.ResponseText, lContext))
{
return(new cHomeServerReferralException(lResult.ResponseText, lContext));
}
if (lResult.ResponseText.Code == eResponseTextCode.authenticationfailed || lResult.ResponseText.Code == eResponseTextCode.authorizationfailed || lResult.ResponseText.Code == eResponseTextCode.expired)
{
return(new cCredentialsException(lResult.ResponseText, lContext));
}
return(null);
}
throw new cProtocolErrorException(lResult, 0, lContext);
}
}
public async Task IdAsync(cMethodControl pMC, cId pClientId, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cSession), nameof(IdAsync), pMC, pClientId);
if (mDisposed)
{
throw new ObjectDisposedException(nameof(cSession));
}
if (_ConnectionState < eConnectionState.notauthenticated || _ConnectionState > eConnectionState.selected)
{
throw new InvalidOperationException(kInvalidOperationExceptionMessage.NotConnected);
}
// install the permanent response data processor
if (mIdResponseDataProcessor == null)
{
mIdResponseDataProcessor = new cIdDataProcessor(mSynchroniser);
mPipeline.Install(mIdResponseDataProcessor);
}
using (var lBuilder = new cCommandDetailsBuilder())
{
if (!_Capabilities.QResync)
{
lBuilder.Add(await mSelectExclusiveAccess.GetBlockAsync(pMC, lContext).ConfigureAwait(false)); // block select if mailbox-data delivered during the command would be ambiguous
}
lBuilder.Add(await mMSNUnsafeBlock.GetBlockAsync(pMC, lContext).ConfigureAwait(false)); // this command is msnunsafe
lBuilder.Add(kIdCommandPart);
if (pClientId == null || pClientId.Count == 0)
{
lBuilder.Add(cCommandPart.Nil);
}
else
{
lBuilder.BeginList(eListBracketing.bracketed);
foreach (var lPair in pClientId)
{
lBuilder.Add(mCommandPartFactory.AsString(lPair.Key));
lBuilder.Add(mCommandPartFactory.AsNString(lPair.Value));
}
lBuilder.EndList();
}
var lResult = await mPipeline.ExecuteAsync(pMC, lBuilder.EmitCommandDetails(), lContext).ConfigureAwait(false);
if (lResult.ResultType == eCommandResultType.ok)
{
lContext.TraceInformation("id success");
return;
}
throw new cProtocolErrorException(lResult, fCapabilities.id, lContext);
}
}
public async sealed override Task FlushAsync(cMethodControl pMC, cBatchSizer pWriteSizer, cTrace.cContext pContext)
{
if (mBufferedCR)
{
mLine.Add(cASCII.CR);
}
await YWriteLineAsync(pMC, mLine, pWriteSizer, pContext).ConfigureAwait(false);
await YFlushAsync(pMC, pWriteSizer, pContext).ConfigureAwait(false);
}
private async Task ZUIDFetchBodyAsync(iMailboxHandle pMailboxHandle, cUID pUID, cSection pSection, eDecodingRequired pDecoding, Stream pStream, cBodyFetchConfiguration pConfiguration, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cIMAPClient), nameof(ZUIDFetchBodyAsync), pMailboxHandle, pUID, pSection, pDecoding);
if (mDisposed)
{
throw new ObjectDisposedException(nameof(cIMAPClient));
}
var lSession = mSession;
if (lSession == null || lSession.ConnectionState != eConnectionState.selected)
{
throw new InvalidOperationException(kInvalidOperationExceptionMessage.NotSelected);
}
if (pMailboxHandle == null)
{
throw new ArgumentNullException(nameof(pMailboxHandle));
}
if (pUID == null)
{
throw new ArgumentNullException(nameof(pUID));
}
if (pSection == null)
{
throw new ArgumentNullException(nameof(pSection));
}
if (pStream == null)
{
throw new ArgumentNullException(nameof(pStream));
}
if (!pStream.CanWrite)
{
throw new ArgumentOutOfRangeException(nameof(pStream));
}
if (pConfiguration == null)
{
using (var lToken = mCancellationManager.GetToken(lContext))
{
var lMC = new cMethodControl(mTimeout, lToken.CancellationToken);
var lProgress = new cProgress();
var lWriteSizer = new cBatchSizer(mFetchBodyWriteConfiguration);
await lSession.UIDFetchBodyAsync(lMC, pMailboxHandle, pUID, pSection, pDecoding, pStream, lProgress, lWriteSizer, lContext).ConfigureAwait(false);
}
}
else
{
var lMC = new cMethodControl(pConfiguration.Timeout, pConfiguration.CancellationToken);
var lProgress = new cProgress(mSynchroniser, pConfiguration.Increment);
var lWriteSizer = new cBatchSizer(pConfiguration.Write ?? mFetchBodyWriteConfiguration);
await lSession.UIDFetchBodyAsync(lMC, pMailboxHandle, pUID, pSection, pDecoding, pStream, lProgress, lWriteSizer, lContext).ConfigureAwait(false);
}
}
public async Task <cMessageHandleList> SetUnseenCountAsync(cMethodControl pMC, iMailboxHandle pMailboxHandle, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cSession), nameof(SetUnseenCountAsync), pMC, pMailboxHandle);
if (mDisposed)
{
throw new ObjectDisposedException(nameof(cSession));
}
if (_ConnectionState != eConnectionState.selected)
{
throw new InvalidOperationException(kInvalidOperationExceptionMessage.NotSelected);
}
if (pMailboxHandle == null)
{
throw new ArgumentNullException(nameof(pMailboxHandle));
}
using (var lBuilder = new cCommandDetailsBuilder())
{
lBuilder.Add(await mSelectExclusiveAccess.GetBlockAsync(pMC, lContext).ConfigureAwait(false)); // block select
var lSelectedMailbox = mMailboxCache.CheckIsSelectedMailbox(pMailboxHandle, null);
lBuilder.Add(await mSearchExclusiveAccess.GetTokenAsync(pMC, lContext).ConfigureAwait(false)); // search commands must be single threaded (so we can tell which result is which)
lBuilder.AddUIDValidity(lSelectedMailbox.MessageCache.UIDValidity); // if a UIDValidity change happens while the command is running, disbelieve the results
lBuilder.Add(kSetUnseenCountCommandPart);
var lHook = new cSetUnseenCountCommandHook(lSelectedMailbox);
lBuilder.Add(lHook);
var lResult = await mPipeline.ExecuteAsync(pMC, lBuilder.EmitCommandDetails(), lContext).ConfigureAwait(false);
if (lResult.ResultType == eCommandResultType.ok)
{
lContext.TraceInformation("setunseencount success");
if (lHook.MessageHandles == null)
{
throw new cUnexpectedServerActionException(0, "results not received on a successful setunseencount", lContext);
}
return(lHook.MessageHandles);
}
if (lHook.MessageHandles != null)
{
lContext.TraceError("results received on a failed setunseencount");
}
if (lResult.ResultType == eCommandResultType.no)
{
throw new cUnsuccessfulCompletionException(lResult.ResponseText, 0, lContext);
}
throw new cProtocolErrorException(lResult, 0, lContext);
}
}
public async Task <List <iMailboxHandle> > LSubAsync(cMethodControl pMC, string pListMailbox, char?pDelimiter, cMailboxPathPattern pPattern, bool pHasSubscribedChildren, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cSession), nameof(LSubAsync), pMC, pListMailbox, pDelimiter, pPattern, pHasSubscribedChildren);
if (mDisposed)
{
throw new ObjectDisposedException(nameof(cSession));
}
if (_ConnectionState != eConnectionState.notselected && _ConnectionState != eConnectionState.selected)
{
throw new InvalidOperationException(kInvalidOperationExceptionMessage.NotConnected);
}
if (pListMailbox == null)
{
throw new ArgumentNullException(nameof(pListMailbox));
}
if (pPattern == null)
{
throw new ArgumentNullException(nameof(pPattern));
}
if (!mCommandPartFactory.TryAsListMailbox(pListMailbox, pDelimiter, out var lListMailboxCommandPart))
{
throw new ArgumentOutOfRangeException(nameof(pListMailbox));
}
using (var lBuilder = new cCommandDetailsBuilder())
{
if (!_Capabilities.QResync)
{
lBuilder.Add(await mSelectExclusiveAccess.GetBlockAsync(pMC, lContext).ConfigureAwait(false)); // block select if mailbox-data delivered during the command would be ambiguous
}
lBuilder.Add(await mMSNUnsafeBlock.GetBlockAsync(pMC, lContext).ConfigureAwait(false)); // this command is msnunsafe
lBuilder.Add(kLSubCommandPart, lListMailboxCommandPart);
var lHook = new cCommandHookLSub(mMailboxCache, pPattern, pHasSubscribedChildren);
lBuilder.Add(lHook);
var lResult = await mPipeline.ExecuteAsync(pMC, lBuilder.EmitCommandDetails(), lContext).ConfigureAwait(false);
if (lResult.ResultType == eCommandResultType.ok)
{
lContext.TraceInformation("lsub success");
return(lHook.MailboxHandles);
}
if (lResult.ResultType == eCommandResultType.no)
{
throw new cUnsuccessfulCompletionException(lResult.ResponseText, 0, lContext);
}
throw new cProtocolErrorException(lResult, 0, lContext);
}
}
public async Task UIDStoreAsync(cMethodControl pMC, iMailboxHandle pMailboxHandle, cUIDStoreFeedback pFeedback, eStoreOperation pOperation, cStorableFlags pFlags, ulong?pIfUnchangedSinceModSeq, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cSession), nameof(UIDStoreAsync), pMC, pMailboxHandle, pFeedback, pOperation, pFlags, pIfUnchangedSinceModSeq);
if (mDisposed)
{
throw new ObjectDisposedException(nameof(cSession));
}
if (_ConnectionState != eConnectionState.selected)
{
throw new InvalidOperationException(kInvalidOperationExceptionMessage.NotSelected);
}
if (pMailboxHandle == null)
{
throw new ArgumentNullException(nameof(pMailboxHandle));
}
if (pFeedback == null)
{
throw new ArgumentNullException(nameof(pFeedback));
}
if (pFlags == null)
{
throw new ArgumentNullException(nameof(pFlags));
}
if (pFeedback.Count == 0)
{
throw new ArgumentOutOfRangeException(nameof(pFeedback));
}
if (pIfUnchangedSinceModSeq == 0)
{
throw new ArgumentOutOfRangeException(nameof(pIfUnchangedSinceModSeq));
}
if (pIfUnchangedSinceModSeq != null && !_Capabilities.CondStore)
{
throw new InvalidOperationException(kInvalidOperationExceptionMessage.CondStoreNotInUse);
}
uint lUIDValidity = pFeedback[0].UID.UIDValidity;
cSelectedMailbox lSelectedMailbox = mMailboxCache.CheckIsSelectedMailbox(pMailboxHandle, lUIDValidity); // to be repeated inside the select lock
if (!lSelectedMailbox.SelectedForUpdate)
{
throw new InvalidOperationException(kInvalidOperationExceptionMessage.NotSelectedForUpdate); // to be repeated inside the select lock
}
cStoreFeedbackCollector lFeedbackCollector = new cStoreFeedbackCollector(pFeedback);
await ZUIDStoreAsync(pMC, pMailboxHandle, lUIDValidity, lFeedbackCollector, pOperation, pFlags, pIfUnchangedSinceModSeq, pFeedback, lContext).ConfigureAwait(false);
}
public async Task <cExclusiveAccess.cToken> GetIdleBlockTokenAsync(cMethodControl pMC, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cCommandPipeline), nameof(GetIdleBlockTokenAsync));
if (mDisposed)
{
throw new ObjectDisposedException(nameof(cCommandPipeline));
}
var lTask = mIdleBlock.GetTokenAsync(pMC, lContext);
mBackgroundReleaser.Release(lContext);
return(await lTask.ConfigureAwait(false));
}
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));
}
public async Task ConnectAsync(cMethodControl pMC, cServer pServer, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cSession), nameof(ConnectAsync), pMC, pServer);
if (mDisposed)
{
throw new ObjectDisposedException(nameof(cSession));
}
if (_ConnectionState != eConnectionState.notconnected)
{
throw new InvalidOperationException(kInvalidOperationExceptionMessage.NotUnconnected);
}
ZSetState(eConnectionState.connecting, lContext);
sGreeting lGreeting;
try { lGreeting = await mPipeline.ConnectAsync(pMC, pServer, lContext).ConfigureAwait(false); }
catch (Exception)
{
ZSetState(eConnectionState.disconnected, lContext);
throw;
}
if (lGreeting.Type == eGreetingType.bye)
{
ZSetState(eConnectionState.disconnected, lContext);
if (ZSetHomeServerReferral(lGreeting.ResponseText, lContext))
{
throw new cHomeServerReferralException(lGreeting.ResponseText, lContext);
}
throw new cConnectByeException(lGreeting.ResponseText, lContext);
}
if (mPipeline.Capabilities != null)
{
ZSetCapabilities(mPipeline.Capabilities, mPipeline.AuthenticationMechanisms, lContext);
}
if (lGreeting.Type == eGreetingType.ok)
{
ZSetState(eConnectionState.notauthenticated, lContext);
return;
}
// preauth
ZSetHomeServerReferral(lGreeting.ResponseText, lContext);
ZSetConnectedAccountId(new cAccountId(pServer.Host, eAccountType.unknown), lContext);
}
private async Task ZUIDStoreAsync(iMailboxHandle pMailboxHandle, cUIDStoreFeedback pFeedback, eStoreOperation pOperation, cStorableFlags pFlags, ulong?pIfUnchangedSinceModSeq, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cIMAPClient), nameof(ZUIDStoreAsync), pFeedback, pOperation, pFlags, pIfUnchangedSinceModSeq);
if (mDisposed)
{
throw new ObjectDisposedException(nameof(cIMAPClient));
}
var lSession = mSession;
if (lSession == null || lSession.SelectedMailboxDetails?.SelectedForUpdate != true)
{
throw new InvalidOperationException(kInvalidOperationExceptionMessage.NotSelectedForUpdate);
}
if (pMailboxHandle == null)
{
throw new ArgumentNullException(nameof(pMailboxHandle));
}
if (pFeedback == null)
{
throw new ArgumentNullException(nameof(pFeedback));
}
if (pFlags == null)
{
throw new ArgumentNullException(nameof(pFlags));
}
if (pIfUnchangedSinceModSeq == 0)
{
throw new ArgumentOutOfRangeException(nameof(pIfUnchangedSinceModSeq));
}
if (pIfUnchangedSinceModSeq != null && !lSession.Capabilities.CondStore)
{
throw new InvalidOperationException(kInvalidOperationExceptionMessage.CondStoreNotInUse);
}
if (pFeedback.Count == 0)
{
return;
}
// it is valid to add or remove zero flags according to the ABNF (!)
using (var lToken = mCancellationManager.GetToken(lContext))
{
var lMC = new cMethodControl(mTimeout, lToken.CancellationToken);
await lSession.UIDStoreAsync(lMC, pMailboxHandle, pFeedback, pOperation, pFlags, pIfUnchangedSinceModSeq, lContext).ConfigureAwait(false);
}
}
private async Task ZFetchCacheItemsAsync(cMessageHandleList pMessageHandles, cMessageCacheItems pItems, cCacheItemFetchConfiguration pConfiguration, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cIMAPClient), nameof(ZFetchCacheItemsAsync), pMessageHandles, pItems);
if (mDisposed)
{
throw new ObjectDisposedException(nameof(cIMAPClient));
}
var lSession = mSession;
if (lSession == null || lSession.ConnectionState != eConnectionState.selected)
{
throw new InvalidOperationException(kInvalidOperationExceptionMessage.NotSelected);
}
if (pMessageHandles == null)
{
throw new ArgumentNullException(nameof(pMessageHandles));
}
if (pItems == null)
{
throw new ArgumentNullException(nameof(pItems));
}
if (pMessageHandles.Count == 0)
{
return;
}
if (pItems.IsEmpty)
{
return;
}
if (pConfiguration == null)
{
using (var lToken = mCancellationManager.GetToken(lContext))
{
var lMC = new cMethodControl(mTimeout, lToken.CancellationToken);
var lProgress = new cProgress();
await lSession.FetchCacheItemsAsync(lMC, pMessageHandles, pItems, lProgress, lContext).ConfigureAwait(false);
}
}
else
{
var lMC = new cMethodControl(pConfiguration.Timeout, pConfiguration.CancellationToken);
var lProgress = new cProgress(mSynchroniser, pConfiguration.Increment);
await lSession.FetchCacheItemsAsync(lMC, pMessageHandles, pItems, lProgress, lContext).ConfigureAwait(false);
}
}
public async Task EnableAsync(cMethodControl pMC, fEnableableExtensions pExtensions, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cSession), nameof(EnableAsync), pMC, pExtensions);
if (mDisposed)
{
throw new ObjectDisposedException(nameof(cSession));
}
if (_ConnectionState != eConnectionState.authenticated)
{
throw new InvalidOperationException(kInvalidOperationExceptionMessage.NotAuthenticated);
}
using (var lBuilder = new cCommandDetailsBuilder())
{
// note the lack of locking - this can only called during connect
lBuilder.BeginList(eListBracketing.none);
lBuilder.Add(kEnableCommandPartEnable);
if ((pExtensions & fEnableableExtensions.utf8) != 0)
{
lBuilder.Add(kEnableCommandPartUTF8);
}
// more here as required
lBuilder.EndList();
var lHook = new cEnableCommandHook();
lBuilder.Add(lHook);
var lResult = await mPipeline.ExecuteAsync(pMC, lBuilder.EmitCommandDetails(), lContext).ConfigureAwait(false);
if (lResult.ResultType == eCommandResultType.ok)
{
var lEnabledExtensions = lHook.EnabledExtensions;
lContext.TraceInformation("enabled extensions {0}", lEnabledExtensions);
EnabledExtensions = EnabledExtensions | lEnabledExtensions;
lContext.TraceVerbose("current enabled extensions {0}", EnabledExtensions);
mSynchroniser.InvokePropertyChanged(nameof(cIMAPClient.EnabledExtensions), lContext);
return;
}
if (lHook.EnabledExtensions != fEnableableExtensions.none)
{
lContext.TraceError("received enabled on a failed enable");
}
throw new cProtocolErrorException(lResult, fCapabilities.enable, lContext);
}
}
public async Task LogoutAsync(cMethodControl pMC, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cSession), nameof(LogoutAsync), pMC);
if (mDisposed)
{
throw new ObjectDisposedException(nameof(cSession));
}
if (_ConnectionState < eConnectionState.notauthenticated || _ConnectionState > eConnectionState.selected)
{
throw new InvalidOperationException(kInvalidOperationExceptionMessage.NotConnected);
}
using (var lBuilder = new cCommandDetailsBuilder())
{
if (!_Capabilities.QResync)
{
lBuilder.Add(await mSelectExclusiveAccess.GetBlockAsync(pMC, lContext).ConfigureAwait(false)); // block select if mailbox-data delivered during the command would be ambiguous
}
lBuilder.Add(await mMSNUnsafeBlock.GetBlockAsync(pMC, lContext).ConfigureAwait(false)); // this command is msnunsafe
lBuilder.Add(kLogoutCommandPart);
var lHook = new cLogoutCommandHook(mPipeline);
lBuilder.Add(lHook);
var lResult = await mPipeline.ExecuteAsync(pMC, lBuilder.EmitCommandDetails(), lContext).ConfigureAwait(false);
if (lResult.ResultType == eCommandResultType.ok)
{
lContext.TraceInformation("logout success");
if (!lHook.GotBye)
{
throw new cUnexpectedServerActionException(0, "bye not received", lContext);
}
Disconnect(lContext);
return;
}
if (lHook.GotBye)
{
lContext.TraceError("received bye on a failed logout");
}
throw new cProtocolErrorException(lResult, 0, lContext);
}
}
public async Task DeleteAsync(cMethodControl pMC, iMailboxHandle pMailboxHandle, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cSession), nameof(DeleteAsync), pMC, pMailboxHandle);
if (mDisposed)
{
throw new ObjectDisposedException(nameof(cSession));
}
if (_ConnectionState != eConnectionState.notselected && _ConnectionState != eConnectionState.selected)
{
throw new InvalidOperationException(kInvalidOperationExceptionMessage.NotConnected);
}
if (pMailboxHandle == null)
{
throw new ArgumentNullException(nameof(pMailboxHandle));
}
var lItem = mMailboxCache.CheckHandle(pMailboxHandle);
using (var lBuilder = new cCommandDetailsBuilder())
{
if (!_Capabilities.QResync)
{
lBuilder.Add(await mSelectExclusiveAccess.GetBlockAsync(pMC, lContext).ConfigureAwait(false)); // block select if mailbox-data delivered during the command would be ambiguous
}
lBuilder.Add(await mMSNUnsafeBlock.GetBlockAsync(pMC, lContext).ConfigureAwait(false)); // this command is msnunsafe
lBuilder.Add(kDeleteCommandPart, lItem.MailboxNameCommandPart);
lBuilder.Add(new cDeleteCommandHook(lItem));
var lResult = await mPipeline.ExecuteAsync(pMC, lBuilder.EmitCommandDetails(), lContext).ConfigureAwait(false);
if (lResult.ResultType == eCommandResultType.ok)
{
lContext.TraceInformation("delete success");
return;
}
if (lResult.ResultType == eCommandResultType.no)
{
throw new cUnsuccessfulCompletionException(lResult.ResponseText, 0, lContext);
}
throw new cProtocolErrorException(lResult, 0, lContext);
}
}
public Task UIDFetchBodyAsync(cMethodControl pMC, iMailboxHandle pMailboxHandle, cUID pUID, cSection pSection, eDecodingRequired pDecoding, Stream pStream, cProgress pProgress, cBatchSizer pWriteSizer, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cSession), nameof(UIDFetchBodyAsync), pMC, pMailboxHandle, pUID, pSection, pDecoding);
if (mDisposed)
{
throw new ObjectDisposedException(nameof(cSession));
}
if (_ConnectionState != eConnectionState.selected)
{
throw new InvalidOperationException(kInvalidOperationExceptionMessage.NotSelected);
}
mMailboxCache.CheckIsSelectedMailbox(pMailboxHandle, pUID.UIDValidity); // to be repeated inside the select lock
return(ZFetchBodyAsync(pMC, pMailboxHandle, pUID, null, pSection, pDecoding, pStream, pProgress, pWriteSizer, lContext));
}
public Task <cCopyFeedback> CopyAsync(cMethodControl pMC, cMessageHandleList pSourceMessageHandles, iMailboxHandle pDestinationMailboxHandle, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cSession), nameof(CopyAsync), pMC, pSourceMessageHandles, pDestinationMailboxHandle);
if (mDisposed)
{
throw new ObjectDisposedException(nameof(cSession));
}
if (_ConnectionState != eConnectionState.selected)
{
throw new InvalidOperationException(kInvalidOperationExceptionMessage.NotSelected);
}
if (pSourceMessageHandles == null)
{
throw new ArgumentNullException(nameof(pSourceMessageHandles));
}
if (pDestinationMailboxHandle == null)
{
throw new ArgumentNullException(nameof(pDestinationMailboxHandle));
}
if (pSourceMessageHandles.Count == 0)
{
throw new ArgumentOutOfRangeException(nameof(pSourceMessageHandles));
}
cSelectedMailbox lSelectedMailbox = mMailboxCache.CheckInSelectedMailbox(pSourceMessageHandles); // to be repeated inside the select lock
var lDestinationItem = mMailboxCache.CheckHandle(pDestinationMailboxHandle);
if (pSourceMessageHandles.TrueForAll(h => h.UID != null))
{
var lMessageHandle = pSourceMessageHandles.Find(h => h.Expunged);
if (lMessageHandle != null)
{
throw new cMessageExpungedException(lMessageHandle);
}
return(ZUIDCopyAsync(pMC, lSelectedMailbox.MailboxHandle, pSourceMessageHandles[0].UID.UIDValidity, new cUIntList(from h in pSourceMessageHandles select h.UID.UID), lDestinationItem, lContext));
}
else
{
return(ZCopyAsync(pMC, pSourceMessageHandles, lDestinationItem, lContext));
}
}