508 lines
22 KiB
C#
508 lines
22 KiB
C#
//
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// MailTransport.cs
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//
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// Author: Jeffrey Stedfast <jestedfa@microsoft.com>
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//
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// Copyright (c) 2013-2020 .NET Foundation and Contributors
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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using System;
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using System.Threading;
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using System.Threading.Tasks;
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using System.Collections.Generic;
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using MimeKit;
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namespace MailKit {
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/// <summary>
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/// An abstract mail transport implementation.
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/// </summary>
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/// <remarks>
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/// An abstract mail transport implementation.
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/// </remarks>
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public abstract class MailTransport : MailService, IMailTransport
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{
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static readonly FormatOptions DefaultOptions;
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static MailTransport ()
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{
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var options = FormatOptions.Default.Clone ();
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options.HiddenHeaders.Add (HeaderId.ContentLength);
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options.HiddenHeaders.Add (HeaderId.ResentBcc);
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options.HiddenHeaders.Add (HeaderId.Bcc);
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options.NewLineFormat = NewLineFormat.Dos;
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DefaultOptions = options;
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="MailKit.MailTransport"/> class.
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/// </summary>
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/// <remarks>
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/// Initializes a new instance of the <see cref="MailKit.MailTransport"/> class.
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/// </remarks>
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/// <param name="protocolLogger">The protocol logger.</param>
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/// <exception cref="System.ArgumentNullException">
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/// <paramref name="protocolLogger"/> is <c>null</c>.
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/// </exception>
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protected MailTransport (IProtocolLogger protocolLogger) : base (protocolLogger)
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{
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}
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/// <summary>
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/// Send the specified message.
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/// </summary>
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/// <remarks>
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/// <para>Sends the specified message.</para>
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/// <para>The sender address is determined by checking the following
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/// message headers (in order of precedence): Resent-Sender,
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/// Resent-From, Sender, and From.</para>
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/// <para>If either the Resent-Sender or Resent-From addresses are present,
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/// the recipients are collected from the Resent-To, Resent-Cc, and
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/// Resent-Bcc headers, otherwise the To, Cc, and Bcc headers are used.</para>
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/// </remarks>
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/// <example>
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/// <code language="c#" source="Examples\SmtpExamples.cs" region="SendMessage"/>
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/// </example>
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/// <param name="message">The message.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <param name="progress">The progress reporting mechanism.</param>
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/// <exception cref="System.ArgumentNullException">
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/// <paramref name="message"/> is <c>null</c>.
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/// </exception>
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/// <exception cref="System.ObjectDisposedException">
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/// The <see cref="MailTransport"/> has been disposed.
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/// </exception>
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/// <exception cref="ServiceNotConnectedException">
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/// The <see cref="MailTransport"/> is not connected.
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/// </exception>
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/// <exception cref="ServiceNotAuthenticatedException">
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/// Authentication is required before sending a message.
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/// </exception>
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/// <exception cref="System.InvalidOperationException">
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/// <para>A sender has not been specified.</para>
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/// <para>-or-</para>
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/// <para>No recipients have been specified.</para>
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/// </exception>
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/// <exception cref="System.OperationCanceledException">
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/// The operation has been canceled.
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/// </exception>
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/// <exception cref="System.IO.IOException">
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/// An I/O error occurred.
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/// </exception>
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/// <exception cref="CommandException">
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/// The send command failed.
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/// </exception>
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/// <exception cref="ProtocolException">
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/// A protocol exception occurred.
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/// </exception>
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public virtual void Send (MimeMessage message, CancellationToken cancellationToken = default (CancellationToken), ITransferProgress progress = null)
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{
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Send (DefaultOptions, message, cancellationToken, progress);
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}
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/// <summary>
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/// Asynchronously send the specified message.
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/// </summary>
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/// <remarks>
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/// <para>Asynchronously sends the specified message.</para>
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/// <para>The sender address is determined by checking the following
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/// message headers (in order of precedence): Resent-Sender,
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/// Resent-From, Sender, and From.</para>
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/// <para>If either the Resent-Sender or Resent-From addresses are present,
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/// the recipients are collected from the Resent-To, Resent-Cc, and
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/// Resent-Bcc headers, otherwise the To, Cc, and Bcc headers are used.</para>
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/// </remarks>
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/// <returns>An asynchronous task context.</returns>
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/// <param name="message">The message.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <param name="progress">The progress reporting mechanism.</param>
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/// <exception cref="System.ArgumentNullException">
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/// <paramref name="message"/> is <c>null</c>.
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/// </exception>
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/// <exception cref="System.ObjectDisposedException">
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/// The <see cref="MailTransport"/> has been disposed.
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/// </exception>
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/// <exception cref="ServiceNotConnectedException">
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/// The <see cref="MailTransport"/> is not connected.
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/// </exception>
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/// <exception cref="ServiceNotAuthenticatedException">
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/// Authentication is required before sending a message.
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/// </exception>
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/// <exception cref="System.InvalidOperationException">
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/// <para>A sender has not been specified.</para>
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/// <para>-or-</para>
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/// <para>No recipients have been specified.</para>
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/// </exception>
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/// <exception cref="System.OperationCanceledException">
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/// The operation has been canceled.
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/// </exception>
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/// <exception cref="System.IO.IOException">
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/// An I/O error occurred.
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/// </exception>
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/// <exception cref="CommandException">
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/// The send command failed.
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/// </exception>
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/// <exception cref="ProtocolException">
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/// A protocol exception occurred.
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/// </exception>
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public virtual Task SendAsync (MimeMessage message, CancellationToken cancellationToken = default (CancellationToken), ITransferProgress progress = null)
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{
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return SendAsync (DefaultOptions, message, cancellationToken, progress);
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}
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/// <summary>
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/// Send the specified message using the supplied sender and recipients.
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/// </summary>
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/// <remarks>
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/// Sends the specified message using the supplied sender and recipients.
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/// </remarks>
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/// <param name="message">The message.</param>
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/// <param name="sender">The mailbox address to use for sending the message.</param>
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/// <param name="recipients">The mailbox addresses that should receive the message.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <param name="progress">The progress reporting mechanism.</param>
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/// <exception cref="System.ArgumentNullException">
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/// <para><paramref name="message"/> is <c>null</c>.</para>
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/// <para>-or-</para>
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/// <para><paramref name="sender"/> is <c>null</c>.</para>
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/// <para>-or-</para>
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/// <para><paramref name="recipients"/> is <c>null</c>.</para>
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/// </exception>
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/// <exception cref="System.ObjectDisposedException">
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/// The <see cref="MailTransport"/> has been disposed.
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/// </exception>
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/// <exception cref="ServiceNotConnectedException">
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/// The <see cref="MailTransport"/> is not connected.
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/// </exception>
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/// <exception cref="ServiceNotAuthenticatedException">
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/// Authentication is required before sending a message.
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/// </exception>
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/// <exception cref="System.InvalidOperationException">
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/// <para>A sender has not been specified.</para>
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/// <para>-or-</para>
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/// <para>No recipients have been specified.</para>
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/// </exception>
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/// <exception cref="System.OperationCanceledException">
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/// The operation has been canceled.
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/// </exception>
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/// <exception cref="System.IO.IOException">
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/// An I/O error occurred.
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/// </exception>
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/// <exception cref="CommandException">
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/// The send command failed.
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/// </exception>
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/// <exception cref="ProtocolException">
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/// A protocol exception occurred.
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/// </exception>
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public virtual void Send (MimeMessage message, MailboxAddress sender, IEnumerable<MailboxAddress> recipients, CancellationToken cancellationToken = default (CancellationToken), ITransferProgress progress = null)
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{
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Send (DefaultOptions, message, sender, recipients, cancellationToken, progress);
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}
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/// <summary>
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/// Asynchronously send the specified message using the supplied sender and recipients.
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/// </summary>
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/// <remarks>
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/// Asynchronously sends the specified message using the supplied sender and recipients.
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/// </remarks>
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/// <returns>An asynchronous task context.</returns>
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/// <param name="message">The message.</param>
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/// <param name="sender">The mailbox address to use for sending the message.</param>
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/// <param name="recipients">The mailbox addresses that should receive the message.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <param name="progress">The progress reporting mechanism.</param>
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/// <exception cref="System.ArgumentNullException">
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/// <para><paramref name="message"/> is <c>null</c>.</para>
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/// <para>-or-</para>
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/// <para><paramref name="sender"/> is <c>null</c>.</para>
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/// <para>-or-</para>
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/// <para><paramref name="recipients"/> is <c>null</c>.</para>
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/// </exception>
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/// <exception cref="System.ObjectDisposedException">
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/// The <see cref="MailTransport"/> has been disposed.
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/// </exception>
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/// <exception cref="ServiceNotConnectedException">
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/// The <see cref="MailTransport"/> is not connected.
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/// </exception>
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/// <exception cref="ServiceNotAuthenticatedException">
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/// Authentication is required before sending a message.
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/// </exception>
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/// <exception cref="System.InvalidOperationException">
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/// <para>A sender has not been specified.</para>
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/// <para>-or-</para>
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/// <para>No recipients have been specified.</para>
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/// </exception>
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/// <exception cref="System.OperationCanceledException">
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/// The operation has been canceled.
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/// </exception>
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/// <exception cref="System.IO.IOException">
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/// An I/O error occurred.
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/// </exception>
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/// <exception cref="CommandException">
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/// The send command failed.
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/// </exception>
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/// <exception cref="ProtocolException">
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/// A protocol exception occurred.
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/// </exception>
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public virtual Task SendAsync (MimeMessage message, MailboxAddress sender, IEnumerable<MailboxAddress> recipients, CancellationToken cancellationToken = default (CancellationToken), ITransferProgress progress = null)
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{
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return SendAsync (DefaultOptions, message, sender, recipients, cancellationToken, progress);
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}
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/// <summary>
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/// Send the specified message.
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/// </summary>
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/// <remarks>
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/// <para>Sends the specified message.</para>
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/// <para>The sender address is determined by checking the following
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/// message headers (in order of precedence): Resent-Sender,
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/// Resent-From, Sender, and From.</para>
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/// <para>If either the Resent-Sender or Resent-From addresses are present,
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/// the recipients are collected from the Resent-To, Resent-Cc, and
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/// Resent-Bcc headers, otherwise the To, Cc, and Bcc headers are used.</para>
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/// </remarks>
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/// <example>
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/// <code language="c#" source="Examples\SmtpExamples.cs" region="SendMessageWithOptions"/>
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/// </example>
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/// <param name="options">The formatting options.</param>
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/// <param name="message">The message.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <param name="progress">The progress reporting mechanism.</param>
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/// <exception cref="System.ArgumentNullException">
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/// <para><paramref name="options"/> is <c>null</c>.</para>
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/// <para>-or-</para>
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/// <para><paramref name="message"/> is <c>null</c>.</para>
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/// </exception>
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/// <exception cref="System.ObjectDisposedException">
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/// The <see cref="MailTransport"/> has been disposed.
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/// </exception>
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/// <exception cref="ServiceNotConnectedException">
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/// The <see cref="MailTransport"/> is not connected.
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/// </exception>
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/// <exception cref="ServiceNotAuthenticatedException">
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/// Authentication is required before sending a message.
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/// </exception>
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/// <exception cref="System.InvalidOperationException">
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/// <para>A sender has not been specified.</para>
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/// <para>-or-</para>
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/// <para>No recipients have been specified.</para>
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/// </exception>
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/// <exception cref="System.OperationCanceledException">
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/// The operation has been canceled.
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/// </exception>
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/// <exception cref="System.NotSupportedException">
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/// <para>Internationalized formatting was requested but is not supported by the transport.</para>
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/// </exception>
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/// <exception cref="System.IO.IOException">
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/// An I/O error occurred.
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/// </exception>
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/// <exception cref="CommandException">
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/// The send command failed.
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/// </exception>
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/// <exception cref="ProtocolException">
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/// A protocol exception occurred.
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/// </exception>
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public abstract void Send (FormatOptions options, MimeMessage message, CancellationToken cancellationToken = default (CancellationToken), ITransferProgress progress = null);
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/// <summary>
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/// Asynchronously send the specified message.
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/// </summary>
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/// <remarks>
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/// <para>Asynchronously sends the specified message.</para>
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/// <para>The sender address is determined by checking the following
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/// message headers (in order of precedence): Resent-Sender,
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/// Resent-From, Sender, and From.</para>
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/// <para>If either the Resent-Sender or Resent-From addresses are present,
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/// the recipients are collected from the Resent-To, Resent-Cc, and
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/// Resent-Bcc headers, otherwise the To, Cc, and Bcc headers are used.</para>
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/// </remarks>
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/// <returns>An asynchronous task context.</returns>
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/// <param name="options">The formatting options.</param>
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/// <param name="message">The message.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <param name="progress">The progress reporting mechanism.</param>
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/// <exception cref="System.ArgumentNullException">
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/// <para><paramref name="options"/> is <c>null</c>.</para>
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/// <para>-or-</para>
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/// <para><paramref name="message"/> is <c>null</c>.</para>
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/// </exception>
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/// <exception cref="System.ObjectDisposedException">
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/// The <see cref="MailTransport"/> has been disposed.
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/// </exception>
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/// <exception cref="ServiceNotConnectedException">
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/// The <see cref="MailTransport"/> is not connected.
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/// </exception>
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/// <exception cref="ServiceNotAuthenticatedException">
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/// Authentication is required before sending a message.
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/// </exception>
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/// <exception cref="System.InvalidOperationException">
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/// <para>A sender has not been specified.</para>
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/// <para>-or-</para>
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/// <para>No recipients have been specified.</para>
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/// </exception>
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/// <exception cref="System.OperationCanceledException">
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/// The operation has been canceled.
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/// </exception>
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/// <exception cref="System.NotSupportedException">
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/// <para>Internationalized formatting was requested but is not supported by the transport.</para>
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/// </exception>
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/// <exception cref="System.IO.IOException">
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/// An I/O error occurred.
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/// </exception>
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/// <exception cref="CommandException">
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/// The send command failed.
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/// </exception>
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/// <exception cref="ProtocolException">
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/// A protocol exception occurred.
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/// </exception>
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public abstract Task SendAsync (FormatOptions options, MimeMessage message, CancellationToken cancellationToken = default (CancellationToken), ITransferProgress progress = null);
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/// <summary>
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/// Send the specified message using the supplied sender and recipients.
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/// </summary>
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/// <remarks>
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/// Sends the specified message using the supplied sender and recipients.
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/// </remarks>
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/// <param name="options">The formatting options.</param>
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/// <param name="message">The message.</param>
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/// <param name="sender">The mailbox address to use for sending the message.</param>
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/// <param name="recipients">The mailbox addresses that should receive the message.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <param name="progress">The progress reporting mechanism.</param>
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/// <exception cref="System.ArgumentNullException">
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/// <para><paramref name="options"/> is <c>null</c>.</para>
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/// <para>-or-</para>
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/// <para><paramref name="message"/> is <c>null</c>.</para>
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/// <para>-or-</para>
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/// <para><paramref name="sender"/> is <c>null</c>.</para>
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/// <para>-or-</para>
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/// <para><paramref name="recipients"/> is <c>null</c>.</para>
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/// </exception>
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/// <exception cref="System.ObjectDisposedException">
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/// The <see cref="MailTransport"/> has been disposed.
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/// </exception>
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/// <exception cref="ServiceNotConnectedException">
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/// The <see cref="MailTransport"/> is not connected.
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/// </exception>
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/// <exception cref="ServiceNotAuthenticatedException">
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/// Authentication is required before sending a message.
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/// </exception>
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/// <exception cref="System.InvalidOperationException">
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/// <para>A sender has not been specified.</para>
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/// <para>-or-</para>
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/// <para>No recipients have been specified.</para>
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/// </exception>
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/// <exception cref="System.OperationCanceledException">
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/// The operation has been canceled.
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/// </exception>
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/// <exception cref="System.NotSupportedException">
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/// <para>Internationalized formatting was requested but is not supported by the transport.</para>
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/// </exception>
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/// <exception cref="System.IO.IOException">
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/// An I/O error occurred.
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/// </exception>
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/// <exception cref="CommandException">
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/// The send command failed.
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/// </exception>
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/// <exception cref="ProtocolException">
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/// A protocol exception occurred.
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/// </exception>
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public abstract void Send (FormatOptions options, MimeMessage message, MailboxAddress sender, IEnumerable<MailboxAddress> recipients, CancellationToken cancellationToken = default (CancellationToken), ITransferProgress progress = null);
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/// <summary>
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/// Asynchronously send the specified message using the supplied sender and recipients.
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/// </summary>
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/// <remarks>
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/// Asynchronously sends the specified message using the supplied sender and recipients.
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/// </remarks>
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/// <returns>An asynchronous task context.</returns>
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/// <param name="options">The formatting options.</param>
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/// <param name="message">The message.</param>
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/// <param name="sender">The mailbox address to use for sending the message.</param>
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/// <param name="recipients">The mailbox addresses that should receive the message.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <param name="progress">The progress reporting mechanism.</param>
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/// <exception cref="System.ArgumentNullException">
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/// <para><paramref name="options"/> is <c>null</c>.</para>
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/// <para>-or-</para>
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/// <para><paramref name="message"/> is <c>null</c>.</para>
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/// <para>-or-</para>
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/// <para><paramref name="sender"/> is <c>null</c>.</para>
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/// <para>-or-</para>
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/// <para><paramref name="recipients"/> is <c>null</c>.</para>
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/// </exception>
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/// <exception cref="System.ObjectDisposedException">
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/// The <see cref="MailTransport"/> has been disposed.
|
|
/// </exception>
|
|
/// <exception cref="ServiceNotConnectedException">
|
|
/// The <see cref="MailTransport"/> is not connected.
|
|
/// </exception>
|
|
/// <exception cref="ServiceNotAuthenticatedException">
|
|
/// Authentication is required before sending a message.
|
|
/// </exception>
|
|
/// <exception cref="System.InvalidOperationException">
|
|
/// <para>A sender has not been specified.</para>
|
|
/// <para>-or-</para>
|
|
/// <para>No recipients have been specified.</para>
|
|
/// </exception>
|
|
/// <exception cref="System.OperationCanceledException">
|
|
/// The operation has been canceled.
|
|
/// </exception>
|
|
/// <exception cref="System.NotSupportedException">
|
|
/// <para>Internationalized formatting was requested but is not supported by the transport.</para>
|
|
/// </exception>
|
|
/// <exception cref="System.IO.IOException">
|
|
/// An I/O error occurred.
|
|
/// </exception>
|
|
/// <exception cref="CommandException">
|
|
/// The send command failed.
|
|
/// </exception>
|
|
/// <exception cref="ProtocolException">
|
|
/// A protocol exception occurred.
|
|
/// </exception>
|
|
public abstract Task SendAsync (FormatOptions options, MimeMessage message, MailboxAddress sender, IEnumerable<MailboxAddress> recipients, CancellationToken cancellationToken = default (CancellationToken), ITransferProgress progress = null);
|
|
|
|
/// <summary>
|
|
/// Occurs when a message is successfully sent via the transport.
|
|
/// </summary>
|
|
/// <remarks>
|
|
/// The <see cref="MessageSent"/> event will be emitted each time a message is successfully sent.
|
|
/// </remarks>
|
|
public event EventHandler<MessageSentEventArgs> MessageSent;
|
|
|
|
/// <summary>
|
|
/// Raise the message sent event.
|
|
/// </summary>
|
|
/// <remarks>
|
|
/// Raises the message sent event.
|
|
/// </remarks>
|
|
/// <param name="e">The message sent event args.</param>
|
|
protected virtual void OnMessageSent (MessageSentEventArgs e)
|
|
{
|
|
var handler = MessageSent;
|
|
|
|
if (handler != null)
|
|
handler (this, e);
|
|
}
|
|
}
|
|
}
|