private bool ZProcessDataResponse(cBytesCursor pCursor, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cCommandPipeline), nameof(ZProcessDataResponse));
if (!pCursor.SkipBytes(kProcessResponseAsteriskSpace))
{
return(false);
}
lContext.TraceVerbose("got data");
if (pCursor.SkipBytes(kProcessResponseOKSpace))
{
lContext.TraceVerbose("got information");
mResponseTextProcessor.Process(eResponseTextContext.information, pCursor, mActiveCommands, lContext);
return(true);
}
if (pCursor.SkipBytes(kProcessResponseNoSpace))
{
lContext.TraceVerbose("got a warning");
mResponseTextProcessor.Process(eResponseTextContext.warning, pCursor, mActiveCommands, lContext);
return(true);
}
if (pCursor.SkipBytes(kProcessResponseBadSpace))
{
lContext.TraceVerbose("got a protocol error");
mResponseTextProcessor.Process(eResponseTextContext.protocolerror, pCursor, mActiveCommands, lContext);
return(true);
}
if (pCursor.SkipBytes(kProcessResponseCapabilitySpace))
{
if (mState == eState.connected)
{
if (pCursor.ProcessCapability(out var lCapabilities, out var lAuthenticationMechanisms, lContext) && pCursor.Position.AtEnd)
{
lContext.TraceVerbose("got capabilities: {0} {1}", lCapabilities, lAuthenticationMechanisms);
mCapabilities = lCapabilities;
mAuthenticationMechanisms = lAuthenticationMechanisms;
}
else
{
lContext.TraceWarning("likely malformed capability");
}
}
else
{
lContext.TraceWarning("capability response received at the wrong time - not processed");
}
return(true);
}
public override eProcessDataResult ProcessData(cBytesCursor pCursor, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cNamespaceDataProcessor), nameof(ProcessData));
if (!pCursor.SkipBytes(kNamespaceSpace))
{
return(eProcessDataResult.notprocessed);
}
if (ZProcessData(pCursor, out var lPersonal, lContext) &&
pCursor.SkipByte(cASCII.SPACE) &&
ZProcessData(pCursor, out var lOtherUsers, lContext) &&
pCursor.SkipByte(cASCII.SPACE) &&
ZProcessData(pCursor, out var lShared, lContext) &&
pCursor.Position.AtEnd
)
{
lContext.TraceVerbose("got namespaces");
NamespaceNames = new cNamespaceNames(lPersonal, lOtherUsers, lShared);
mSynchroniser.InvokePropertyChanged(nameof(cIMAPClient.Namespaces), lContext);
return(eProcessDataResult.processed);
}
lContext.TraceWarning("likely malformed namespace");
return(eProcessDataResult.notprocessed);
}
public bool Process(cBytesCursor pCursor, out cResponseData rResponseData, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cResponseDataParserLSub), nameof(Process));
if (!pCursor.SkipBytes(kLSubSpace))
{
rResponseData = null; return(false);
}
if (!pCursor.GetFlags(out var lFlags) ||
!pCursor.SkipByte(cASCII.SPACE) ||
!pCursor.GetMailboxDelimiter(out var lDelimiter) ||
!pCursor.SkipByte(cASCII.SPACE) ||
!pCursor.GetAString(out IList <byte> lEncodedMailboxPath) ||
!pCursor.Position.AtEnd ||
!cMailboxName.TryConstruct(lEncodedMailboxPath, lDelimiter, mUTF8Enabled, out var lMailboxName))
{
lContext.TraceWarning("likely malformed lsub response");
rResponseData = null;
return(true);
}
rResponseData = new cResponseDataLSub(lMailboxName, !lFlags.Contains(@"\Noselect", StringComparer.InvariantCultureIgnoreCase));
return(true);
}
private static bool ZGetId(cBytesCursor pCursor, out cId rServerId, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cIdDataProcessor), nameof(ZGetId));
if (pCursor.SkipBytes(cBytesCursor.Nil))
{
rServerId = null; return(true);
}
if (!pCursor.SkipByte(cASCII.LPAREN))
{
rServerId = null; return(false);
}
Dictionary <string, string> lDictionary = new Dictionary <string, string>();
try
{
bool lFirst = true;
while (true)
{
if (pCursor.SkipByte(cASCII.RPAREN))
{
break;
}
if (lFirst)
{
lFirst = false;
}
else if (!pCursor.SkipByte(cASCII.SPACE))
{
rServerId = null; return(false);
}
if (!pCursor.GetString(out string lField) || !pCursor.SkipByte(cASCII.SPACE))
{
rServerId = null; return(false);
}
if (!pCursor.GetNString(out string lValue))
{
rServerId = null; return(false);
}
lDictionary[lField] = lValue;
}
rServerId = new cId(lDictionary);
return(true);
}
catch (Exception e)
{
lContext.TraceException("error when constructing the id dictionary", e);
rServerId = null;
return(false);
}
}
private async Task <eIdleProcessResponsesTerminatedBy> ZIdleProcessResponsesAsync(bool pMonitorBackgroundReleaser, Task pCountdownTask, cCommandTag pTag, bool pExpectContinueRequest, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cCommandPipeline), nameof(ZIdleProcessResponsesAsync), pMonitorBackgroundReleaser, pTag, pExpectContinueRequest);
Task lBackgroundReleaserTask;
if (pMonitorBackgroundReleaser)
{
lBackgroundReleaserTask = mBackgroundReleaser.GetAwaitReleaseTask(lContext);
}
else
{
lBackgroundReleaserTask = null;
}
while (true)
{
Task lBuildResponseTask = mConnection.GetBuildResponseTask(lContext);
Task lTask = await mBackgroundAwaiter.AwaitAny(lBuildResponseTask, lBackgroundReleaserTask, pCountdownTask).ConfigureAwait(false);
if (ReferenceEquals(lTask, lBackgroundReleaserTask))
{
return(eIdleProcessResponsesTerminatedBy.backgroundreleaser);
}
if (ReferenceEquals(lTask, pCountdownTask))
{
return(eIdleProcessResponsesTerminatedBy.countdowntask);
}
var lResponse = mConnection.GetResponse(lContext);
mSynchroniser.InvokeNetworkReceive(lResponse, lContext);
var lCursor = new cBytesCursor(lResponse);
if (lCursor.SkipBytes(kPlusSpace))
{
if (!pExpectContinueRequest)
{
throw new cUnexpectedServerActionException(fCapabilities.idle, "unexpected continuation request", lContext);
}
mResponseTextProcessor.Process(eResponseTextContext.continuerequest, lCursor, null, lContext);
return(eIdleProcessResponsesTerminatedBy.continuerequest);
}
if (ZProcessDataResponse(lCursor, lContext))
{
continue;
}
if (pTag != null && ZProcessCommandCompletionResponse(lCursor, pTag, false, null, lContext) != null)
{
return(eIdleProcessResponsesTerminatedBy.commandcompletion);
}
lContext.TraceError("unrecognised response: {0}", lResponse);
}
}
private async Task ZBackgroundTaskProcessResponseAsync(cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cCommandPipeline), nameof(ZBackgroundTaskProcessResponseAsync));
var lResponse = mConnection.GetResponse(lContext);
mSynchroniser.InvokeNetworkReceive(lResponse, lContext);
var lCursor = new cBytesCursor(lResponse);
if (lCursor.SkipBytes(kPlusSpace))
{
var lCurrentCommand = mCurrentCommand;
if (lCurrentCommand == null || !lCurrentCommand.WaitingForContinuationRequest)
{
throw new cUnexpectedServerActionException(0, "unexpected continuation request", lContext);
}
if (lCurrentCommand.IsAuthentication)
{
await ZProcessChallengeAsync(lCursor, lContext).ConfigureAwait(false);
}
else
{
mResponseTextProcessor.Process(eResponseTextContext.continuerequest, lCursor, lCurrentCommand.Hook, lContext);
lCurrentCommand.WaitingForContinuationRequest = false;
}
return;
}
lock (mPipelineLock)
{
if (ZProcessDataResponse(lCursor, lContext))
{
return;
}
if (ZBackgroundTaskProcessActiveCommandCompletion(lCursor, lContext))
{
return;
}
if (mCurrentCommand != null && ZBackgroundTaskProcessCommandCompletion(lCursor, mCurrentCommand, lContext))
{
if (mCurrentCommand.IsAuthentication)
{
mCurrentCommand = null;
}
return;
}
}
lContext.TraceError("unrecognised response: {0}", lResponse);
}
internal static bool TryConstruct(IList <byte> pValue, out cHeaderFieldImportance rImportance)
{
if (pValue == null)
{
rImportance = null; return(false);
}
eImportance lImportance;
cBytesCursor lCursor = new cBytesCursor(pValue);
lCursor.SkipRFC822CFWS();
if (lCursor.SkipBytes(kLow))
{
lImportance = eImportance.low;
}
else if (lCursor.SkipBytes(kNormal))
{
lImportance = eImportance.normal;
}
else if (lCursor.SkipBytes(kHigh))
{
lImportance = eImportance.high;
}
else
{
rImportance = null; return(false);
}
lCursor.SkipRFC822CFWS();
if (lCursor.Position.AtEnd)
{
rImportance = new cHeaderFieldImportance(new cBytes(pValue), lImportance);
return(true);
}
rImportance = null;
return(false);
}
public eProcessDataResult ProcessData(cBytesCursor pCursor, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cMailboxCache), nameof(ProcessData));
if (mSelectedMailbox != null)
{
var lBookmark = pCursor.Position;
var lResult = mSelectedMailbox.ProcessData(pCursor, lContext);
if (lResult != eProcessDataResult.notprocessed)
{
return(lResult);
}
pCursor.Position = lBookmark;
}
if (pCursor.SkipBytes(kStatusSpace))
{
if (!pCursor.GetAString(out string lEncodedMailboxPath) ||
!pCursor.SkipBytes(cBytesCursor.SpaceLParen) ||
!ZProcessDataStatusAttributes(pCursor, out var lStatus, lContext) ||
!pCursor.SkipByte(cASCII.RPAREN) ||
!pCursor.Position.AtEnd)
{
lContext.TraceWarning("likely malformed status response");
return(eProcessDataResult.notprocessed);
}
var lItem = ZItem(lEncodedMailboxPath);
lItem.UpdateStatus(lStatus, lContext);
if (!ReferenceEquals(mSelectedMailbox?.MailboxHandle, lItem))
{
lItem.UpdateMailboxStatus(lContext);
}
return(eProcessDataResult.processed);
}
return(eProcessDataResult.notprocessed);
}
public eProcessDataResult ProcessData(cBytesCursor pCursor, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cSelectedMailboxCache), nameof(ProcessData));
if (pCursor.GetNZNumber(out _, out var lNumber) && pCursor.SkipBytes(kSpaceExpunge) && pCursor.Position.AtEnd)
{
lContext.TraceVerbose("got expunge: {0}", lNumber);
ZExpunge((int)lNumber, lContext);
return(eProcessDataResult.processed);
}
return(eProcessDataResult.notprocessed);
}
public override eProcessDataResult ProcessData(cBytesCursor pCursor, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cEnableCommandHook), nameof(ProcessData));
if (!pCursor.SkipBytes(kEnabled))
{
return(eProcessDataResult.notprocessed);
}
fEnableableExtensions lEnabledExtensions = fEnableableExtensions.none;
while (true)
{
if (!pCursor.SkipByte(cASCII.SPACE))
{
break;
}
if (!pCursor.GetToken(cCharset.Atom, null, null, out cByteList lAtom))
{
lContext.TraceWarning("likely malformed enabled: not an atom list?");
return(eProcessDataResult.notprocessed);
}
lContext.TraceVerbose("got an enabled for {0}", lAtom);
if (cASCII.Compare(lAtom, kEnableExtensionUTF8, false))
{
lEnabledExtensions = lEnabledExtensions | fEnableableExtensions.utf8;
}
// more here as required
else
{
lContext.TraceError("unknown extension enabled: {0}", lAtom);
}
}
if (!pCursor.Position.AtEnd)
{
lContext.TraceWarning("likely malformed enabled: not at end?");
return(eProcessDataResult.notprocessed);
}
mEnabledExtensions |= lEnabledExtensions;
return(eProcessDataResult.processed);
}
private bool ZProcessData(cBytesCursor pCursor, out List <cNamespaceName> rNames, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cNamespaceDataProcessor), nameof(ZProcessData));
if (pCursor.SkipBytes(cBytesCursor.Nil))
{
rNames = null;
return(true);
}
if (!pCursor.SkipByte(cASCII.LPAREN))
{
rNames = null; return(false);
}
rNames = new List <cNamespaceName>();
while (true)
{
if (!pCursor.SkipByte(cASCII.LPAREN) ||
!pCursor.GetString(out IList <byte> lEncodedPrefix) ||
!pCursor.SkipByte(cASCII.SPACE) ||
!pCursor.GetMailboxDelimiter(out var lDelimiter) ||
!ZProcessNamespaceExtension(pCursor) ||
!pCursor.SkipByte(cASCII.RPAREN)
)
{
rNames = null;
return(false);
}
if (!cNamespaceName.TryConstruct(lEncodedPrefix, lDelimiter, mUTF8Enabled, out var lNamespaceName))
{
rNames = null;
return(false);
}
rNames.Add(lNamespaceName);
if (pCursor.SkipByte(cASCII.RPAREN))
{
return(true);
}
}
}
public bool Process(cBytesCursor pCursor, out cResponseData rResponseData, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cResponseDataParserSelect), nameof(Process));
if (pCursor.SkipBytes(kFlagsSpace))
{
if (pCursor.GetFlags(out var lRawFlags) && pCursor.Position.AtEnd && cFetchableFlags.TryConstruct(lRawFlags, out var lFlags))
{
rResponseData = new cResponseDataFlags(lFlags);
}
else
{
lContext.TraceWarning("likely malformed flags response");
rResponseData = null;
}
return(true);
}
public override eProcessDataResult ProcessData(cBytesCursor pCursor, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cCommandHookBaseSearch), nameof(ProcessData));
if (!pCursor.SkipBytes(kSearch))
{
return(eProcessDataResult.notprocessed);
}
cUIntList lMSNs = new cUIntList();
while (true)
{
if (!pCursor.SkipByte(cASCII.SPACE))
{
break;
}
if (!pCursor.GetNZNumber(out _, out var lMSN))
{
lContext.TraceWarning("likely malformed search: not an nz-number list?");
return(eProcessDataResult.notprocessed);
}
lMSNs.Add(lMSN);
}
if (!pCursor.Position.AtEnd)
{
lContext.TraceWarning("likely malformed search: not at end?");
return(eProcessDataResult.notprocessed);
}
if (mMSNs == null)
{
mMSNs = lMSNs;
}
else
{
mMSNs.AddRange(lMSNs);
}
return(eProcessDataResult.processed);
}
public override eProcessDataResult ProcessData(cBytesCursor pCursor, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cIdDataProcessor), nameof(ProcessData));
if (pCursor.SkipBytes(kIdSpace))
{
if (ZGetId(pCursor, out var lServerId, lContext) && pCursor.Position.AtEnd)
{
lContext.TraceVerbose("got id: {0}", lServerId);
mServerId = lServerId;
mSynchroniser.InvokePropertyChanged(nameof(cIMAPClient.ServerId), lContext);
return(eProcessDataResult.processed);
}
lContext.TraceWarning("likely malformed id response");
}
return(eProcessDataResult.notprocessed);
}
private static eProcessStatusAttributeResult ZProcessDataStatusAttribute(cBytesCursor pCursor, cBytes pAttributeSpace, ref ulong?rNumber, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cMailboxCache), nameof(ZProcessDataStatusAttribute));
if (!pCursor.SkipBytes(pAttributeSpace))
{
return(eProcessStatusAttributeResult.notprocessed);
}
if (pCursor.GetNumber(out var lNumber))
{
lContext.TraceVerbose("got {0}", lNumber);
rNumber = lNumber;
return(eProcessStatusAttributeResult.processed);
}
lContext.TraceWarning("likely malformed status-att-list-item: no number?");
return(eProcessStatusAttributeResult.error);
}
public async Task <sGreeting> ConnectAsync(cMethodControl pMC, cServer pServer, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cCommandPipeline), nameof(ConnectAsync), pMC, pServer);
if (mDisposed)
{
throw new ObjectDisposedException(nameof(cCommandPipeline));
}
if (mState != eState.notconnected)
{
throw new InvalidOperationException(kInvalidOperationExceptionMessage.NotUnconnected);
}
mState = eState.connecting;
try
{
await mConnection.ConnectAsync(pMC, pServer, lContext).ConfigureAwait(false);
using (var lAwaiter = new cAwaiter(pMC))
{
while (true)
{
lContext.TraceVerbose("waiting");
await lAwaiter.AwaitAny(mConnection.GetBuildResponseTask(lContext)).ConfigureAwait(false);
var lResponse = mConnection.GetResponse(lContext);
mSynchroniser.InvokeNetworkReceive(lResponse, lContext);
var lCursor = new cBytesCursor(lResponse);
if (lCursor.SkipBytes(kGreetingAsteriskSpaceOKSpace))
{
var lHook = new cCommandHookInitial();
cResponseText lResponseText = mResponseTextProcessor.Process(eResponseTextContext.greetingok, lCursor, lHook, lContext);
lContext.TraceVerbose("got ok: {0}", lResponseText);
mState = eState.connected;
mBackgroundTask = ZBackgroundTaskAsync(lContext);
mCapabilities = lHook.Capabilities;
mAuthenticationMechanisms = lHook.AuthenticationMechanisms;
return(new sGreeting(eGreetingType.ok, null));
}
if (lCursor.SkipBytes(kGreetingAsteriskSpacePreAuthSpace))
{
var lHook = new cCommandHookInitial();
cResponseText lResponseText = mResponseTextProcessor.Process(eResponseTextContext.greetingpreauth, lCursor, lHook, lContext);
lContext.TraceVerbose("got preauth: {0}", lResponseText);
mState = eState.connected;
mBackgroundTask = ZBackgroundTaskAsync(lContext);
mCapabilities = lHook.Capabilities;
mAuthenticationMechanisms = lHook.AuthenticationMechanisms;
return(new sGreeting(eGreetingType.preauth, lResponseText));
}
if (lCursor.SkipBytes(kGreetingAsteriskSpaceBYESpace))
{
cResponseText lResponseText = mResponseTextProcessor.Process(eResponseTextContext.greetingbye, lCursor, null, lContext);
lContext.TraceError("got bye: {0}", lResponseText);
mConnection.Disconnect(lContext);
mState = eState.stopped;
return(new sGreeting(eGreetingType.bye, lResponseText));
}
lContext.TraceError("unrecognised response: {0}", lResponse);
}
}
}
catch (Exception)
{
mConnection.Disconnect(lContext);
mState = eState.stopped;
throw;
}
}
private static bool ZTryConstruct(cHeaderFieldNames pNames, bool pNot, IList <byte> pBytes, out cHeaderFields rFields)
{
if (pBytes == null)
{
rFields = null; return(false);
}
cBytesCursor lCursor = new cBytesCursor(pBytes);
List <cHeaderField> lFields = new List <cHeaderField>();
while (true)
{
if (!lCursor.GetRFC822FieldName(out var lName))
{
break;
}
lCursor.SkipRFC822WSP();
if (!lCursor.SkipByte(cASCII.COLON))
{
rFields = null; return(false);
}
if (!lCursor.GetRFC822FieldValue(out var lValue))
{
rFields = null; return(false);
}
if (lName.Equals(kHeaderFieldName.References, StringComparison.InvariantCultureIgnoreCase))
{
if (cHeaderFieldMsgIds.TryConstruct(lName, lValue, out var lReferences))
{
lFields.Add(lReferences);
}
else
{
lFields.Add(new cHeaderField(lName, new cBytes(lValue)));
}
}
else if (lName.Equals(kHeaderFieldName.Importance, StringComparison.InvariantCultureIgnoreCase))
{
if (cHeaderFieldImportance.TryConstruct(lValue, out var lImportance))
{
lFields.Add(lImportance);
}
else
{
lFields.Add(new cHeaderField(lName, new cBytes(lValue)));
}
}
else
{
lFields.Add(new cHeaderField(lName, new cBytes(lValue)));
}
}
if (!lCursor.Position.AtEnd && !lCursor.SkipBytes(cBytesCursor.CRLF))
{
rFields = null; return(false);
}
rFields = new cHeaderFields(pNames, pNot, lFields);
return(true);
}
public static void _Tests_RFC822(cTrace.cContext pParentContext)
{
cBytesCursor lCursor;
string lString;
DateTime lDate;
cByteList lByteList;
// tests for WSP
lCursor = new cBytesCursor("x \t y \t\r\n\tz");
if (!lCursor.SkipByte(cASCII.x) || !lCursor.SkipRFC822WSP() || lCursor.SkipRFC822WSP() || !lCursor.SkipByte(cASCII.y) || !lCursor.SkipRFC822FWS() || lCursor.SkipRFC822FWS() || !lCursor.SkipByte(cASCII.z))
{
throw new cTestsException("skip wsp 1");
}
lCursor = new cBytesCursor("x \t y \t\r\n\tz");
if (!lCursor.SkipByte(cASCII.x) || !lCursor.SkipRFC822FWS() || lCursor.SkipRFC822FWS() || !lCursor.SkipByte(cASCII.y) || !lCursor.SkipRFC822FWS() || !lCursor.SkipByte(cASCII.z))
{
throw new cTestsException("skip wsp 2");
}
lCursor = new cBytesCursor("x \t\r\ny \t\r\n\t\r\n z");
if (!lCursor.SkipByte(cASCII.x) || !lCursor.SkipRFC822FWS() || lCursor.SkipRFC822FWS() || !lCursor.SkipBytes(new cBytes("\r\ny")) || !lCursor.SkipRFC822FWS() || !lCursor.SkipByte(cASCII.z))
{
throw new cTestsException("skip wsp 3");
}
lCursor = new cBytesCursor("Muhammed.(I am the greatest) Ali\r\n @(the)Vegas.WBA");
if (!lCursor.GetToken(cCharset.Atom, null, null, out lString) || lString != "Muhammed." || !lCursor.SkipRFC822CFWS() || !lCursor.GetToken(cCharset.Atom, null, null, out lString) || lString != "Ali" || !lCursor.SkipRFC822CFWS() || !lCursor.SkipByte(cASCII.AT) || !lCursor.SkipRFC822CFWS() || !lCursor.GetToken(cCharset.Atom, null, null, out lString) || lString != "Vegas.WBA")
{
throw new cTestsException("skip cfws 1");
}
lCursor = new cBytesCursor("(I am \r\n the(xx\\)\\\\\\() gre \t() \tatest)");
if (!lCursor.SkipRFC822CFWS() || !lCursor.Position.AtEnd)
{
throw new cTestsException("skip cfws 2");
}
// TODO: more tests for failure cases
// tests for IMF date (these examples from rfc 5322)
lCursor = new cBytesCursor("Fri, 21 Nov 1997 09:55:06 -0600 x Tue, 1 Jul 2003 10:52:37 +0200 x Thu, 13 Feb 1969 23:32:54 -0330 x Thu,\r\n\t13\r\n\t Feb\r\n\t 1969\r\n\t23:32\r\n\t\t\t-0330 (Newfoundland Time) x 21 Nov 97 09:55:06 GMT x Fri, 21 Nov 1997 09(comment): 55 : 06 -0600 x");
if (!lCursor.GetRFC822DateTime(out lDate) || lDate != new DateTime(1997, 11, 21, 15, 55, 06) || !lCursor.SkipByte(cASCII.x))
{
throw new cTestsException("imf date 1");
}
if (!lCursor.GetRFC822DateTime(out lDate) || lDate != new DateTime(2003, 7, 1, 8, 52, 37) || !lCursor.SkipByte(cASCII.x))
{
throw new cTestsException("imf date 2");
}
if (!lCursor.GetRFC822DateTime(out lDate) || lDate != new DateTime(1969, 2, 14, 3, 02, 54) || !lCursor.SkipByte(cASCII.x))
{
throw new cTestsException("imf date 3");
}
if (!lCursor.GetRFC822DateTime(out lDate) || lDate != new DateTime(1969, 2, 14, 3, 02, 00) || !lCursor.SkipByte(cASCII.x))
{
throw new cTestsException("imf date 4");
}
if (!lCursor.GetRFC822DateTime(out lDate) || lDate != new DateTime(1997, 11, 21, 9, 55, 06) || !lCursor.SkipByte(cASCII.x))
{
throw new cTestsException("imf date 5");
}
if (!lCursor.GetRFC822DateTime(out lDate) || lDate != new DateTime(1997, 11, 21, 15, 55, 06) || !lCursor.SkipByte(cASCII.x))
{
throw new cTestsException("imf date 6");
}
// TODO: more tests for failure cases and alphanumeric zones
// Wed, 17 Jul 1996 02:23:25 -0700 (PDT)
// header values
lCursor = new cBytesCursor(" \t \r\nHeader \t: \r\n\t \t\r\n\r\n");
if (lCursor.GetRFC822FieldName(out lString) || !lCursor.GetRFC822FieldValue(out lByteList) || cTools.UTF8BytesToString(lByteList) != " \t ")
{
throw new cTestsException("header 1.1");
}
if (!lCursor.GetRFC822FieldName(out lString) || lString != "Header" || !lCursor.SkipRFC822WSP() || !lCursor.SkipByte(cASCII.COLON) || !lCursor.GetRFC822FieldValue(out lByteList) || cTools.UTF8BytesToString(lByteList) != " \t \t")
{
throw new cTestsException("header 1.2");
}
lCursor = new cBytesCursor("Header \t : \r\n \t\r\nFred");
if (!lCursor.GetRFC822FieldName(out lString) || lString != "Header" || !lCursor.SkipRFC822WSP() || !lCursor.SkipByte(cASCII.COLON) || !lCursor.GetRFC822FieldValue(out lByteList) || cTools.UTF8BytesToString(lByteList) != " \t")
{
throw new cTestsException("header 2.1");
}
lCursor = new cBytesCursor("Header:\r\n this is \r\n the\tvalue \t\r\n");
if (!lCursor.GetRFC822FieldName(out lString) || lString != "Header" || lCursor.SkipRFC822WSP() || !lCursor.SkipByte(cASCII.COLON) || !lCursor.GetRFC822FieldValue(out lByteList) || cTools.UTF8BytesToString(lByteList) != " this is the\tvalue \t")
{
throw new cTestsException("header 3.1");
}
lCursor = new cBytesCursor("Header:\r\n should \r\n fail \t\r\n more stuff");
if (!lCursor.GetRFC822FieldName(out lString) || lString != "Header" || lCursor.SkipRFC822WSP() || !lCursor.SkipByte(cASCII.COLON) || lCursor.GetRFC822FieldValue(out lByteList))
{
throw new cTestsException("header 4.1");
}
// atoms
lCursor = new cBytesCursor(" \t \r\n Header \tAtom(comment) \r\nAt?Om\tAt!om:{Atom} \t\r\n\r\n");
if (!lCursor.GetRFC822Atom(out lString) || lString != "Header" || !lCursor.GetRFC822Atom(out lString) || lString != "Atom")
{
throw new cTestsException("atom 1.1");
}
if (!lCursor.SkipByte(cASCII.CR) || !lCursor.SkipByte(cASCII.LF))
{
throw new cTestsException("atom 1.2");
}
if (!lCursor.GetRFC822Atom(out lString) || lString != "At?Om")
{
throw new cTestsException("atom 1.3");
}
if (!lCursor.GetRFC822Atom(out lString) || lString != "At!om")
{
throw new cTestsException("atom 1.4");
}
if (lCursor.GetRFC822Atom(out lString))
{
throw new cTestsException("atom 1.5.1");
}
if (!lCursor.SkipByte(cASCII.COLON))
{
throw new cTestsException("atom 1.5.2");
}
if (!lCursor.GetRFC822Atom(out lString) || lString != "{Atom}")
{
throw new cTestsException("atom 1.6");
}
if (!lCursor.SkipByte(cASCII.CR) || !lCursor.SkipByte(cASCII.LF) || !lCursor.SkipByte(cASCII.CR) || !lCursor.SkipByte(cASCII.LF) || !lCursor.Position.AtEnd)
{
throw new cTestsException("atom 1.7");
}
// quoted strings
lCursor = new cBytesCursor(" \t \r\n \"Header\r\n with FWS\" \t\"Atom(not a \\\"comment\\\")\" \r\n\"At?Om\"\t\"At!om:{Atom}\" \"\r\n\tFWS beginning and end\r\n\t\" \t\r\n\r\n");
if (!lCursor.GetRFC822QuotedString(out lString) || lString != "Header with FWS" || !lCursor.GetRFC822QuotedString(out lString) || lString != "Atom(not a \"comment\")")
{
throw new cTestsException("quoted string 1.1");
}
if (!lCursor.SkipByte(cASCII.CR) || !lCursor.SkipByte(cASCII.LF))
{
throw new cTestsException("quoted string 1.2");
}
if (!lCursor.GetRFC822QuotedString(out lString) || lString != "At?Om")
{
throw new cTestsException("quoted string 1.3");
}
if (!lCursor.GetRFC822QuotedString(out lString) || lString != "At!om:{Atom}")
{
throw new cTestsException("quoted string 1.4");
}
if (!lCursor.GetRFC822QuotedString(out lString) || lString != "\tFWS beginning and end\t")
{
throw new cTestsException("quoted string 1.5");
}
if (lCursor.GetRFC822QuotedString(out lString))
{
throw new cTestsException("quoted string 1.6.1");
}
if (!lCursor.SkipByte(cASCII.CR) || !lCursor.SkipByte(cASCII.LF) || !lCursor.SkipByte(cASCII.CR) || !lCursor.SkipByte(cASCII.LF) || !lCursor.Position.AtEnd)
{
throw new cTestsException("quoted string 1.6.2");
}
// mix
lCursor = new cBytesCursor(" \t \r\n Header \tA");
if (lCursor.GetRFC822QuotedString(out lString) || lCursor.Position.Byte != 0 || !lCursor.GetRFC822Atom(out lString) || lString != "Header" || !lCursor.SkipByte(cASCII.A))
{
throw new cTestsException("mix 1.1");
}
lCursor = new cBytesCursor(" \t \r\n \"Header\" \tA");
if (lCursor.GetRFC822Atom(out lString) || lCursor.Position.Byte != 0 || !lCursor.GetRFC822QuotedString(out lString) || lString != "Header" || !lCursor.SkipByte(cASCII.A))
{
throw new cTestsException("mix 1.2");
}
// domain literal
lCursor = new cBytesCursor(" \t (there is a domain\r\n literal coming up(and\tit'll\r\n\tbe a good one)) \r\n [Header] \r\n ( now with with FWS ) [ \t \r\n\t the.name.com \r\n ] (now with embedded FWS) [ \t \r\n\t the \t name \r\n com \r\n ] (with quotes and utf8) [ \\[ fr€d ] (something invalid) [ [ ] \r\n");
if (!lCursor.GetDomainLiteral(out lString) || lString != "[Header]")
{
throw new cTestsException("domain literal 1.1");
}
if (!lCursor.GetDomainLiteral(out lString) || lString != "[the.name.com]")
{
throw new cTestsException("domain literal 1.2");
}
if (!lCursor.GetDomainLiteral(out lString) || lString != "[the name com]")
{
throw new cTestsException("domain literal 1.3");
}
if (!lCursor.GetDomainLiteral(out lString) || lString != "[[ fr€d]")
{
throw new cTestsException("domain literal 1.4");
}
if (lCursor.GetDomainLiteral(out lString))
{
throw new cTestsException("domain literal 1.5");
}
if (!lCursor.GetRFC822FieldValue(out lByteList) || cTools.UTF8BytesToString(lByteList) != "[ [ ] ")
{
throw new cTestsException("domain literal 1.6");
}
// domain
lCursor = new cBytesCursor(" \t (first a dot-atom form) fred.angus.bart (now a obs form) frxd \t . angxs . \t bxrt (now a\r\n literal) [ 192.168.1.1 ] \r\nNextHeader");
if (!lCursor.GetRFC822Domain(out lString) || lString != "fred.angus.bart")
{
throw new cTestsException("domain 1.1");
}
if (!lCursor.GetRFC822Domain(out lString) || lString != "frxd.angxs.bxrt")
{
throw new cTestsException("domain 1.2");
}
if (!lCursor.GetRFC822Domain(out lString) || lString != "[192.168.1.1]")
{
throw new cTestsException("domain 1.3");
}
if (!lCursor.GetRFC822FieldValue(out lByteList) || lByteList.Count != 0)
{
throw new cTestsException("domain 1.4");
}
if (lCursor.GetRestAsString() != "NextHeader")
{
throw new cTestsException("domain 1.5");
}
// local part
lCursor = new cBytesCursor(" \t (first a dot-atom form) fred.angus.bart (now a obs form) frxd \t . angxs . \t bxrt (now a\r\n quoted string) \"th€ local part as a string\" (then a second obsolete form) \"fr€d\" \t . angxs . \t \"bzrt\" \r\n ");
if (!lCursor.GetRFC822LocalPart(out lString) || lString != "fred.angus.bart")
{
throw new cTestsException("local part 1.1");
}
if (!lCursor.GetRFC822LocalPart(out lString) || lString != "frxd.angxs.bxrt")
{
throw new cTestsException("local part 1.2");
}
if (!lCursor.GetRFC822LocalPart(out lString) || lString != "th€ local part as a string")
{
throw new cTestsException("local part 1.3");
}
if (!lCursor.GetRFC822LocalPart(out lString) || lString != "fr€d.angxs.bzrt")
{
throw new cTestsException("local part 1.4");
}
if (!lCursor.Position.AtEnd)
{
throw new cTestsException("local part 1.5");
}
lCursor = new cBytesCursor(" \t (edge case) fred.angus.bart . [] \r\nNextHeader");
if (!lCursor.GetRFC822LocalPart(out lString) || lString != "fred.angus.bart")
{
throw new cTestsException("local part 2.1");
}
if (!lCursor.GetRFC822FieldValue(out lByteList) || cTools.UTF8BytesToString(lByteList) != ". [] ")
{
throw new cTestsException("local part 2.2");
}
// message id
lCursor = new cBytesCursor(" \r\n\t (one) <*****@*****.**> <*****@*****.**> <*****@*****.**> <1234 @ local(blah) .machine .example> ");
if (!lCursor.GetRFC822MsgId(out lString) || lString != "*****@*****.**")
{
throw new cTestsException("msgid 1.1");
}
if (!lCursor.GetRFC822MsgId(out lString) || lString != "*****@*****.**")
{
throw new cTestsException("msgid 1.2");
}
if (!lCursor.GetRFC822MsgId(out lString) || lString != "*****@*****.**")
{
throw new cTestsException("msgid 1.3");
}
if (!lCursor.GetRFC822MsgId(out lString) || lString != "*****@*****.**")
{
throw new cTestsException("msgid 1.4");
}
}
public bool Process(cBytesCursor pCursor, out cResponseData rResponseData, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cResponseDataParserESearch), nameof(Process));
if (!pCursor.SkipBytes(kESearch))
{
rResponseData = null; return(false);
}
if (pCursor.Position.AtEnd)
{
rResponseData = new cResponseDataESearch(null, false, null);
return(true);
}
bool lSetParsedAs = false; // just in case there is another response that starts with the string "ESEARCH"
IList <byte> lTag;
if (pCursor.SkipBytes(kSpaceLParenTAGSpace))
{
if (!pCursor.GetString(out lTag) || !pCursor.SkipByte(cASCII.RPAREN))
{
rResponseData = null;
return(true);
}
lSetParsedAs = true;
}
else
{
lTag = null;
}
bool lUID;
if (pCursor.SkipBytes(kSpaceUID))
{
lUID = true;
lSetParsedAs = true;
}
else
{
lUID = false;
}
cSequenceSet lSequenceSet = null;
while (true)
{
if (!pCursor.SkipByte(cASCII.SPACE))
{
break;
}
lSetParsedAs = true;
if (!pCursor.GetToken(cCharset.Atom, null, null, out cByteList lName) ||
!pCursor.SkipByte(cASCII.SPACE) ||
!pCursor.ProcessExtendedValue(out var lValue)
)
{
rResponseData = null;
return(true);
}
if (cASCII.Compare(lName, kAll, false) && lValue is cExtendedValue.cSequenceSetEV lSequenceSetEV)
{
lSequenceSet = lSequenceSetEV.SequenceSet;
}
}
if (!pCursor.Position.AtEnd)
{
rResponseData = null;
return(lSetParsedAs);
}
rResponseData = new cResponseDataESearch(lTag, lUID, lSequenceSet);
return(true);
}
public bool Process(cBytesCursor pCursor, out cResponseData rResponseData, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cResponseDataParserList), nameof(Process));
if (!pCursor.SkipBytes(kListSpace))
{
rResponseData = null; return(false);
}
if (!pCursor.GetFlags(out var lFlags) ||
!pCursor.SkipByte(cASCII.SPACE) ||
!pCursor.GetMailboxDelimiter(out var lDelimiter) ||
!pCursor.SkipByte(cASCII.SPACE) ||
!pCursor.GetAString(out IList <byte> lEncodedMailboxPath) ||
!ZProcessExtendedItems(pCursor, out var lExtendedItems) ||
!pCursor.Position.AtEnd)
{
lContext.TraceWarning("likely malformed list response");
rResponseData = null;
return(true);
}
if (lEncodedMailboxPath.Count == 0)
{
if (lFlags.Count == 0 && lExtendedItems.Count == 0)
{
if (lDelimiter == null)
{
rResponseData = new cResponseDataListDelimiter();
}
else
{
rResponseData = new cResponseDataListDelimiter((char)lDelimiter.Value);
}
}
else
{
lContext.TraceWarning("likely malformed list delimiter response");
rResponseData = null;
}
}
else
{
if (cMailboxName.TryConstruct(lEncodedMailboxPath, lDelimiter, mUTF8Enabled, out var lMailboxName))
{
fListFlags lListFlags = 0;
if (lFlags.Contains(@"\Noinferiors", StringComparer.InvariantCultureIgnoreCase))
{
lListFlags |= fListFlags.noinferiors | fListFlags.hasnochildren;
}
if (lFlags.Contains(@"\Noselect", StringComparer.InvariantCultureIgnoreCase))
{
lListFlags |= fListFlags.noselect;
}
if (lFlags.Contains(@"\Marked", StringComparer.InvariantCultureIgnoreCase))
{
lListFlags |= fListFlags.marked;
}
if (lFlags.Contains(@"\Unmarked", StringComparer.InvariantCultureIgnoreCase))
{
lListFlags |= fListFlags.unmarked;
}
if (lFlags.Contains(@"\NonExistent", StringComparer.InvariantCultureIgnoreCase))
{
lListFlags |= fListFlags.noselect | fListFlags.nonexistent;
}
if (lFlags.Contains(@"\Subscribed", StringComparer.InvariantCultureIgnoreCase))
{
lListFlags |= fListFlags.subscribed;
}
if (lFlags.Contains(@"\Remote", StringComparer.InvariantCultureIgnoreCase))
{
lListFlags |= fListFlags.remote;
}
if (lFlags.Contains(@"\HasChildren", StringComparer.InvariantCultureIgnoreCase))
{
lListFlags |= fListFlags.haschildren;
}
if (lFlags.Contains(@"\HasNoChildren", StringComparer.InvariantCultureIgnoreCase))
{
lListFlags |= fListFlags.hasnochildren;
}
if (lFlags.Contains(@"\All", StringComparer.InvariantCultureIgnoreCase))
{
lListFlags |= fListFlags.all;
}
if (lFlags.Contains(@"\Archive", StringComparer.InvariantCultureIgnoreCase))
{
lListFlags |= fListFlags.archive;
}
if (lFlags.Contains(@"\Drafts", StringComparer.InvariantCultureIgnoreCase))
{
lListFlags |= fListFlags.drafts;
}
if (lFlags.Contains(@"\Flagged", StringComparer.InvariantCultureIgnoreCase))
{
lListFlags |= fListFlags.flagged;
}
if (lFlags.Contains(@"\Junk", StringComparer.InvariantCultureIgnoreCase))
{
lListFlags |= fListFlags.junk;
}
if (lFlags.Contains(@"\Sent", StringComparer.InvariantCultureIgnoreCase))
{
lListFlags |= fListFlags.sent;
}
if (lFlags.Contains(@"\Trash", StringComparer.InvariantCultureIgnoreCase))
{
lListFlags |= fListFlags.trash;
}
bool lHasSubscribedChildren = false;
foreach (var lItem in lExtendedItems)
{
if (lItem.Tag.Equals("childinfo", StringComparison.InvariantCultureIgnoreCase) && lItem.Value.Contains("subscribed", StringComparison.InvariantCultureIgnoreCase))
{
lHasSubscribedChildren = true;
break;
}
}
rResponseData = new cResponseDataListMailbox(lMailboxName, lListFlags, lHasSubscribedChildren);
}
else
{
lContext.TraceWarning("likely malformed list mailbox response");
rResponseData = null;
}
}
return(true);
}
