예제 #1
0
        public void SendAsync(MailMessage message, object userToken)
        {
            if (disposed)
            {
                throw new ObjectDisposedException(this.GetType().FullName);
            }
            if (Logging.On)
            {
                Logging.Enter(Logging.Web, this, "SendAsync", "DeliveryMethod=" + DeliveryMethod.ToString());
            }
            GlobalLog.Enter("SmtpClient#" + ValidationHelper.HashString(this) + "::SendAsync Transport#" + ValidationHelper.HashString(transport));
            try {
                if (InCall)
                {
                    throw new InvalidOperationException(SR.GetString(SR.net_inasync));
                }

                if (message == null)
                {
                    throw new ArgumentNullException("message");
                }

                if (DeliveryMethod == SmtpDeliveryMethod.Network)
                {
                    CheckHostAndPort();
                }

                recipients = new MailAddressCollection();

                if (message.From == null)
                {
                    throw new InvalidOperationException(SR.GetString(SR.SmtpFromRequired));
                }

                if (message.To != null)
                {
                    foreach (MailAddress address in message.To)
                    {
                        recipients.Add(address);
                    }
                }
                if (message.Bcc != null)
                {
                    foreach (MailAddress address in message.Bcc)
                    {
                        recipients.Add(address);
                    }
                }
                if (message.CC != null)
                {
                    foreach (MailAddress address in message.CC)
                    {
                        recipients.Add(address);
                    }
                }

                if (recipients.Count == 0)
                {
                    throw new InvalidOperationException(SR.GetString(SR.SmtpRecipientRequired));
                }

                try {
                    InCall       = true;
                    cancelled    = false;
                    this.message = message;
                    string pickupDirectory = PickupDirectoryLocation;

#if !FEATURE_PAL
                    CredentialCache cache;
                    // Skip token capturing if no credentials are used or they don't include a default one.
                    // Also do capture the token if ICredential is not of CredentialCache type so we don't know what the exact credential response will be.
                    transport.IdentityRequired = Credentials != null && (Credentials is SystemNetworkCredential || (cache = Credentials as CredentialCache) == null || cache.IsDefaultInCache);
#endif // !FEATURE_PAL

                    asyncOp = AsyncOperationManager.CreateOperation(userToken);
                    switch (DeliveryMethod)
                    {
#if !FEATURE_PAL
                    case SmtpDeliveryMethod.PickupDirectoryFromIis:
                        pickupDirectory = IisPickupDirectory.GetPickupDirectory();
                        goto case SmtpDeliveryMethod.SpecifiedPickupDirectory;
#endif // !FEATURE_PAL
                    case SmtpDeliveryMethod.SpecifiedPickupDirectory:
                    {
                        if (EnableSsl)
                        {
                            throw new SmtpException(SR.GetString(SR.SmtpPickupDirectoryDoesnotSupportSsl));
                        }
                        writer = GetFileMailWriter(pickupDirectory);
                        bool allowUnicode = IsUnicodeSupported();
                        ValidateUnicodeRequirement(message, recipients, allowUnicode);
                        message.Send(writer, true, allowUnicode);

                        if (writer != null)
                        {
                            writer.Close();
                        }

                        transport.ReleaseConnection();
                        AsyncCompletedEventArgs eventArgs = new AsyncCompletedEventArgs(null, false, asyncOp.UserSuppliedState);
                        InCall = false;
                        asyncOp.PostOperationCompleted(onSendCompletedDelegate, eventArgs);
                        break;
                    }

                    case SmtpDeliveryMethod.Network:
                    default:
                        operationCompletedResult = new ContextAwareResult(transport.IdentityRequired, true, null, this, _ContextSafeCompleteCallback);
                        lock (operationCompletedResult.StartPostingAsyncOp())
                        {
                            GlobalLog.Print("SmtpClient#" + ValidationHelper.HashString(this) + "::SendAsync calling BeginConnect.  Transport#" + ValidationHelper.HashString(transport));
                            transport.BeginGetConnection(ServicePoint, operationCompletedResult, ConnectCallback, operationCompletedResult);
                            operationCompletedResult.FinishPostingAsyncOp();
                        }
                        break;
                    }
                }
                catch (Exception e) {
                    InCall = false;

                    if (Logging.On)
                    {
                        Logging.Exception(Logging.Web, this, "Send", e);
                    }

                    if (e is SmtpFailedRecipientException && !((SmtpFailedRecipientException)e).fatal)
                    {
                        throw;
                    }

                    Abort();
                    if (timedOut)
                    {
                        throw new SmtpException(SR.GetString(SR.net_timeout));
                    }

                    if (e is SecurityException ||
                        e is AuthenticationException ||
                        e is SmtpException)
                    {
                        throw;
                    }

                    throw new SmtpException(SR.GetString(SR.SmtpSendMailFailure), e);
                }
            } finally {
                if (Logging.On)
                {
                    Logging.Exit(Logging.Web, this, "SendAsync", null);
                }
                GlobalLog.Leave("SmtpClient#" + ValidationHelper.HashString(this) + "::SendAsync");
            }
        }
        public void SendAsync(MailMessage message, object userToken)
        {
            if (this.disposed)
            {
                throw new ObjectDisposedException(base.GetType().FullName);
            }
            if (Logging.On)
            {
                Logging.Enter(Logging.Web, this, "SendAsync", "DeliveryMethod=" + this.DeliveryMethod.ToString());
            }
            try
            {
                if (this.InCall)
                {
                    throw new InvalidOperationException(SR.GetString("net_inasync"));
                }
                if (message == null)
                {
                    throw new ArgumentNullException("message");
                }
                if (this.DeliveryMethod == SmtpDeliveryMethod.Network)
                {
                    this.CheckHostAndPort();
                }
                this.recipients = new MailAddressCollection();
                if (message.From == null)
                {
                    throw new InvalidOperationException(SR.GetString("SmtpFromRequired"));
                }
                if (message.To != null)
                {
                    foreach (MailAddress address in message.To)
                    {
                        this.recipients.Add(address);
                    }
                }
                if (message.Bcc != null)
                {
                    foreach (MailAddress address2 in message.Bcc)
                    {
                        this.recipients.Add(address2);
                    }
                }
                if (message.CC != null)
                {
                    foreach (MailAddress address3 in message.CC)
                    {
                        this.recipients.Add(address3);
                    }
                }
                if (this.recipients.Count == 0)
                {
                    throw new InvalidOperationException(SR.GetString("SmtpRecipientRequired"));
                }
                try
                {
                    CredentialCache cache;
                    this.InCall    = true;
                    this.cancelled = false;
                    this.message   = message;
                    this.transport.IdentityRequired = ((this.Credentials != null) && ComNetOS.IsWinNt) && (((this.Credentials is SystemNetworkCredential) || ((cache = this.Credentials as CredentialCache) == null)) || cache.IsDefaultInCache);
                    this.asyncOp = AsyncOperationManager.CreateOperation(userToken);
                    switch (this.DeliveryMethod)
                    {
                    case SmtpDeliveryMethod.SpecifiedPickupDirectory:
                        if (this.EnableSsl)
                        {
                            throw new SmtpException(SR.GetString("SmtpPickupDirectoryDoesnotSupportSsl"));
                        }
                        break;

                    case SmtpDeliveryMethod.PickupDirectoryFromIis:
                        if (this.EnableSsl)
                        {
                            throw new SmtpException(SR.GetString("SmtpPickupDirectoryDoesnotSupportSsl"));
                        }
                        goto Label_02B2;

                    default:
                        goto Label_0329;
                    }
                    this.writer = this.GetFileMailWriter(this.PickupDirectoryLocation);
                    message.Send(this.writer, this.DeliveryMethod != SmtpDeliveryMethod.Network);
                    if (this.writer != null)
                    {
                        this.writer.Close();
                    }
                    this.transport.ReleaseConnection();
                    AsyncCompletedEventArgs arg = new AsyncCompletedEventArgs(null, false, this.asyncOp.UserSuppliedState);
                    this.InCall = false;
                    this.asyncOp.PostOperationCompleted(this.onSendCompletedDelegate, arg);
                    return;

Label_02B2:
                    this.writer = this.GetFileMailWriter(IisPickupDirectory.GetPickupDirectory());
                    message.Send(this.writer, this.DeliveryMethod != SmtpDeliveryMethod.Network);
                    if (this.writer != null)
                    {
                        this.writer.Close();
                    }
                    this.transport.ReleaseConnection();
                    AsyncCompletedEventArgs args2 = new AsyncCompletedEventArgs(null, false, this.asyncOp.UserSuppliedState);
                    this.InCall = false;
                    this.asyncOp.PostOperationCompleted(this.onSendCompletedDelegate, args2);
                    return;

Label_0329:
                    this.operationCompletedResult = new ContextAwareResult(this.transport.IdentityRequired, true, null, this, _ContextSafeCompleteCallback);
                    lock (this.operationCompletedResult.StartPostingAsyncOp())
                    {
                        this.transport.BeginGetConnection(this.ServicePoint, this.operationCompletedResult, new AsyncCallback(this.ConnectCallback), this.operationCompletedResult);
                        this.operationCompletedResult.FinishPostingAsyncOp();
                    }
                }
                catch (Exception exception)
                {
                    this.InCall = false;
                    if (Logging.On)
                    {
                        Logging.Exception(Logging.Web, this, "Send", exception);
                    }
                    if ((exception is SmtpFailedRecipientException) && !((SmtpFailedRecipientException)exception).fatal)
                    {
                        throw;
                    }
                    this.Abort();
                    if (this.timedOut)
                    {
                        throw new SmtpException(SR.GetString("net_timeout"));
                    }
                    if (((exception is SecurityException) || (exception is AuthenticationException)) || (exception is SmtpException))
                    {
                        throw;
                    }
                    throw new SmtpException(SR.GetString("SmtpSendMailFailure"), exception);
                }
            }
            finally
            {
                if (Logging.On)
                {
                    Logging.Exit(Logging.Web, this, "SendAsync", (string)null);
                }
            }
        }
예제 #3
0
        public void Send(MailMessage message)
        {
            if (Logging.On)
            {
                Logging.Enter(Logging.Web, this, "Send", message);
            }
            if (disposed)
            {
                throw new ObjectDisposedException(this.GetType().FullName);
            }
            try {
                if (Logging.On)
                {
                    Logging.PrintInfo(Logging.Web, this, "Send", "DeliveryMethod=" + DeliveryMethod.ToString());
                }
                if (Logging.On)
                {
                    Logging.Associate(Logging.Web, this, message);
                }
                SmtpFailedRecipientException recipientException = null;

                if (InCall)
                {
                    throw new InvalidOperationException(SR.GetString(SR.net_inasync));
                }

                if (message == null)
                {
                    throw new ArgumentNullException("message");
                }

                if (DeliveryMethod == SmtpDeliveryMethod.Network)
                {
                    CheckHostAndPort();
                }

                MailAddressCollection recipients = new MailAddressCollection();

                if (message.From == null)
                {
                    throw new InvalidOperationException(SR.GetString(SR.SmtpFromRequired));
                }

                if (message.To != null)
                {
                    foreach (MailAddress address in message.To)
                    {
                        recipients.Add(address);
                    }
                }
                if (message.Bcc != null)
                {
                    foreach (MailAddress address in message.Bcc)
                    {
                        recipients.Add(address);
                    }
                }
                if (message.CC != null)
                {
                    foreach (MailAddress address in message.CC)
                    {
                        recipients.Add(address);
                    }
                }

                if (recipients.Count == 0)
                {
                    throw new InvalidOperationException(SR.GetString(SR.SmtpRecipientRequired));
                }

                transport.IdentityRequired = false;  // everything completes on the same thread.

                try {
                    InCall   = true;
                    timedOut = false;
                    timer    = new Timer(new TimerCallback(this.TimeOutCallback), null, Timeout, Timeout);
                    bool   allowUnicode    = false;
                    string pickupDirectory = PickupDirectoryLocation;

                    MailWriter writer;
                    switch (DeliveryMethod)
                    {
#if !FEATURE_PAL
                    case SmtpDeliveryMethod.PickupDirectoryFromIis:
                        pickupDirectory = IisPickupDirectory.GetPickupDirectory();
                        goto case SmtpDeliveryMethod.SpecifiedPickupDirectory;
#endif // !FEATURE_PAL
                    case SmtpDeliveryMethod.SpecifiedPickupDirectory:
                        if (EnableSsl)
                        {
                            throw new SmtpException(SR.GetString(SR.SmtpPickupDirectoryDoesnotSupportSsl));
                        }
                        allowUnicode = IsUnicodeSupported();     // Determend by the DeliveryFormat paramiter
                        ValidateUnicodeRequirement(message, recipients, allowUnicode);
                        writer = GetFileMailWriter(pickupDirectory);
                        break;

                    case SmtpDeliveryMethod.Network:
                    default:
                        GetConnection();
                        // Detected durring GetConnection(), restrictable using the DeliveryFormat paramiter
                        allowUnicode = IsUnicodeSupported();
                        ValidateUnicodeRequirement(message, recipients, allowUnicode);
                        writer = transport.SendMail(message.Sender ?? message.From, recipients,
                                                    message.BuildDeliveryStatusNotificationString(), allowUnicode, out recipientException);
                        break;
                    }
                    this.message = message;
                    message.Send(writer, DeliveryMethod != SmtpDeliveryMethod.Network, allowUnicode);
                    writer.Close();
                    transport.ReleaseConnection();

                    //throw if we couldn't send to any of the recipients
                    if (DeliveryMethod == SmtpDeliveryMethod.Network && recipientException != null)
                    {
                        throw recipientException;
                    }
                }
                catch (Exception e) {
                    if (Logging.On)
                    {
                        Logging.Exception(Logging.Web, this, "Send", e);
                    }


                    if (e is SmtpFailedRecipientException && !((SmtpFailedRecipientException)e).fatal)
                    {
                        throw;
                    }


                    Abort();
                    if (timedOut)
                    {
                        throw new SmtpException(SR.GetString(SR.net_timeout));
                    }

                    if (e is SecurityException ||
                        e is AuthenticationException ||
                        e is SmtpException)
                    {
                        throw;
                    }

                    throw new SmtpException(SR.GetString(SR.SmtpSendMailFailure), e);
                }
                finally {
                    InCall = false;
                    if (timer != null)
                    {
                        timer.Dispose();
                    }
                }
            } finally {
                if (Logging.On)
                {
                    Logging.Exit(Logging.Web, this, "Send", null);
                }
            }
        }
        public void Send(MailMessage message)
        {
            if (Logging.On)
            {
                Logging.Enter(Logging.Web, this, "Send", message);
            }
            if (this.disposed)
            {
                throw new ObjectDisposedException(base.GetType().FullName);
            }
            try
            {
                if (Logging.On)
                {
                    Logging.PrintInfo(Logging.Web, this, "Send", "DeliveryMethod=" + this.DeliveryMethod.ToString());
                }
                if (Logging.On)
                {
                    Logging.Associate(Logging.Web, this, message);
                }
                SmtpFailedRecipientException exception = null;
                if (this.InCall)
                {
                    throw new InvalidOperationException(SR.GetString("net_inasync"));
                }
                if (message == null)
                {
                    throw new ArgumentNullException("message");
                }
                if (this.DeliveryMethod == SmtpDeliveryMethod.Network)
                {
                    this.CheckHostAndPort();
                }
                MailAddressCollection recipients = new MailAddressCollection();
                if (message.From == null)
                {
                    throw new InvalidOperationException(SR.GetString("SmtpFromRequired"));
                }
                if (message.To != null)
                {
                    foreach (MailAddress address in message.To)
                    {
                        recipients.Add(address);
                    }
                }
                if (message.Bcc != null)
                {
                    foreach (MailAddress address2 in message.Bcc)
                    {
                        recipients.Add(address2);
                    }
                }
                if (message.CC != null)
                {
                    foreach (MailAddress address3 in message.CC)
                    {
                        recipients.Add(address3);
                    }
                }
                if (recipients.Count == 0)
                {
                    throw new InvalidOperationException(SR.GetString("SmtpRecipientRequired"));
                }
                this.transport.IdentityRequired = false;
                try
                {
                    this.InCall   = true;
                    this.timedOut = false;
                    this.timer    = new System.Threading.Timer(new TimerCallback(this.TimeOutCallback), null, this.Timeout, this.Timeout);
                    switch (this.DeliveryMethod)
                    {
                    case SmtpDeliveryMethod.SpecifiedPickupDirectory:
                        if (this.EnableSsl)
                        {
                            throw new SmtpException(SR.GetString("SmtpPickupDirectoryDoesnotSupportSsl"));
                        }
                        break;

                    case SmtpDeliveryMethod.PickupDirectoryFromIis:
                        if (this.EnableSsl)
                        {
                            throw new SmtpException(SR.GetString("SmtpPickupDirectoryDoesnotSupportSsl"));
                        }
                        goto Label_0235;

                    default:
                        goto Label_0244;
                    }
                    MailWriter fileMailWriter = this.GetFileMailWriter(this.PickupDirectoryLocation);
                    goto Label_0276;
Label_0235:
                    fileMailWriter = this.GetFileMailWriter(IisPickupDirectory.GetPickupDirectory());
                    goto Label_0276;
Label_0244:
                    this.GetConnection();
                    fileMailWriter = this.transport.SendMail((message.Sender != null) ? message.Sender : message.From, recipients, message.BuildDeliveryStatusNotificationString(), out exception);
Label_0276:
                    this.message = message;
                    message.Send(fileMailWriter, this.DeliveryMethod != SmtpDeliveryMethod.Network);
                    fileMailWriter.Close();
                    this.transport.ReleaseConnection();
                    if ((this.DeliveryMethod == SmtpDeliveryMethod.Network) && (exception != null))
                    {
                        throw exception;
                    }
                }
                catch (Exception exception2)
                {
                    if (Logging.On)
                    {
                        Logging.Exception(Logging.Web, this, "Send", exception2);
                    }
                    if ((exception2 is SmtpFailedRecipientException) && !((SmtpFailedRecipientException)exception2).fatal)
                    {
                        throw;
                    }
                    this.Abort();
                    if (this.timedOut)
                    {
                        throw new SmtpException(SR.GetString("net_timeout"));
                    }
                    if (((exception2 is SecurityException) || (exception2 is AuthenticationException)) || (exception2 is SmtpException))
                    {
                        throw;
                    }
                    throw new SmtpException(SR.GetString("SmtpSendMailFailure"), exception2);
                }
                finally
                {
                    this.InCall = false;
                    if (this.timer != null)
                    {
                        this.timer.Dispose();
                    }
                }
            }
            finally
            {
                if (Logging.On)
                {
                    Logging.Exit(Logging.Web, this, "Send", (string)null);
                }
            }
        }