| public RegisterUntaggedHandler ( string atom, ImapUntaggedHandler handler ) : void | ||
| atom | string | The atom token. |
| handler | ImapUntaggedHandler | The handler. |
| return | void | |
/// <summary>
/// Queries the namespaces.
/// </summary>
/// <returns>The command result.</returns>
/// <param name="cancellationToken">The cancellation token.</param>
public ImapCommandResult QueryNamespaces(CancellationToken cancellationToken)
{
if (stream == null)
throw new InvalidOperationException ();
ImapCommand ic;
if ((Capabilities & ImapCapabilities.Namespace) != 0) {
ic = QueueCommand (cancellationToken, null, "NAMESPACE\r\n");
Wait (ic);
} else {
var list = new List<ImapFolder> ();
ic = new ImapCommand (this, cancellationToken, null, "LIST \"\" \"\"\r\n");
ic.RegisterUntaggedHandler ("LIST", ImapUtils.ParseFolderList);
ic.UserData = list;
QueueCommand (ic);
Wait (ic);
PersonalNamespaces.Clear ();
SharedNamespaces.Clear ();
OtherNamespaces.Clear ();
if (list.Count > 0) {
PersonalNamespaces.Add (new FolderNamespace (list[0].DirectorySeparator, ""));
list[0].IsNamespace = true;
}
LookupParentFolders (list, cancellationToken);
}
return ic.Result;
}
/// <summary>
/// Searches the subset of UIDs in the folder for messages matching the specified query.
/// </summary>
/// <remarks>
/// Searches the fsubset of UIDs in the folder for messages matching the specified query,
/// returning only the specified search results.
/// </remarks>
/// <returns>The search results.</returns>
/// <param name="options">The search options.</param>
/// <param name="uids">The subset of UIDs</param>
/// <param name="query">The search query.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <exception cref="System.ArgumentNullException">
/// <para><paramref name="uids"/> is <c>null</c>.</para>
/// <para>-or-</para>
/// <para><paramref name="query"/> is <c>null</c>.</para>
/// </exception>
/// <exception cref="System.ArgumentException">
/// One or more of the <paramref name="uids"/> is invalid.
/// </exception>
/// <exception cref="System.NotSupportedException">
/// <para>One or more search terms in the <paramref name="query"/> are not supported by the IMAP server.</para>
/// <para>-or-</para>
/// <para>The IMAP server does not support the ESEARCH extension.</para>
/// </exception>
/// <exception cref="System.ObjectDisposedException">
/// The <see cref="ImapClient"/> has been disposed.
/// </exception>
/// <exception cref="ServiceNotConnectedException">
/// The <see cref="ImapClient"/> is not connected.
/// </exception>
/// <exception cref="ServiceNotAuthenticatedException">
/// The <see cref="ImapClient"/> is not authenticated.
/// </exception>
/// <exception cref="FolderNotOpenException">
/// The <see cref="ImapFolder"/> is not currently open.
/// </exception>
/// <exception cref="System.OperationCanceledException">
/// The operation was canceled via the cancellation token.
/// </exception>
/// <exception cref="System.IO.IOException">
/// An I/O error occurred.
/// </exception>
/// <exception cref="ImapProtocolException">
/// The server's response contained unexpected tokens.
/// </exception>
/// <exception cref="ImapCommandException">
/// The server replied with a NO or BAD response.
/// </exception>
public override SearchResults Search (SearchOptions options, IList<UniqueId> uids, SearchQuery query, CancellationToken cancellationToken = default (CancellationToken))
{
var set = ImapUtils.FormatUidSet (uids);
var args = new List<string> ();
string charset;
if (query == null)
throw new ArgumentNullException ("query");
CheckState (true, false);
if ((Engine.Capabilities & ImapCapabilities.ESearch) == 0)
throw new NotSupportedException ("The IMAP server does not support the ESEARCH extension.");
if (uids.Count == 0)
return new SearchResults ();
var optimized = query.Optimize (new ImapSearchQueryOptimizer ());
var expr = BuildQueryExpression (optimized, args, out charset);
var command = "UID SEARCH RETURN (";
if ((options & SearchOptions.Count) != 0)
command += "COUNT ";
if ((options & SearchOptions.Min) != 0)
command += "MIN ";
if ((options & SearchOptions.Max) != 0)
command += "MAX ";
command = command.TrimEnd ();
command += ") ";
if (args.Count > 0 && !Engine.UTF8Enabled)
command += "CHARSET " + charset + " ";
command += "UID " + set + " " + expr + "\r\n";
var ic = new ImapCommand (Engine, cancellationToken, this, command, args.ToArray ());
ic.RegisterUntaggedHandler ("ESEARCH", ESearchMatches);
ic.UserData = new SearchResults ();
Engine.QueueCommand (ic);
Engine.Wait (ic);
ProcessResponseCodes (ic, null);
if (ic.Response != ImapCommandResponse.Ok)
throw ImapCommandException.Create ("SEARCH", ic);
return (SearchResults) ic.UserData;
}
/// <summary>
/// Threads the messages in the folder that match the search query using the specified threading algorithm.
/// </summary>
/// <remarks>
/// The <see cref="MessageThread.UniqueId"/> can be used with methods such as
/// <see cref="IMailFolder.GetMessage(UniqueId,CancellationToken,ITransferProgress)"/>.
/// </remarks>
/// <returns>An array of message threads.</returns>
/// <param name="uids">The subset of UIDs</param>
/// <param name="algorithm">The threading algorithm to use.</param>
/// <param name="query">The search query.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <exception cref="System.ArgumentOutOfRangeException">
/// <paramref name="algorithm"/> is not supported.
/// </exception>
/// <exception cref="System.ArgumentNullException">
/// <para><paramref name="uids"/> is <c>null</c>.</para>
/// <para>-or-</para>
/// <para><paramref name="query"/> is <c>null</c>.</para>
/// </exception>
/// <exception cref="System.ArgumentException">
/// <para><paramref name="uids"/> is empty.</para>
/// <para>-or-</para>
/// <para>One or more of the <paramref name="uids"/> is invalid.</para>
/// </exception>
/// <exception cref="System.NotSupportedException">
/// <para>One or more search terms in the <paramref name="query"/> are not supported by the IMAP server.</para>
/// <para>-or-</para>
/// <para>The server does not support the THREAD extension.</para>
/// </exception>
/// <exception cref="System.ObjectDisposedException">
/// The <see cref="ImapClient"/> has been disposed.
/// </exception>
/// <exception cref="ServiceNotConnectedException">
/// The <see cref="ImapClient"/> is not connected.
/// </exception>
/// <exception cref="ServiceNotAuthenticatedException">
/// The <see cref="ImapClient"/> is not authenticated.
/// </exception>
/// <exception cref="FolderNotOpenException">
/// The <see cref="ImapFolder"/> is not currently open.
/// </exception>
/// <exception cref="System.OperationCanceledException">
/// The operation was canceled via the cancellation token.
/// </exception>
/// <exception cref="System.IO.IOException">
/// An I/O error occurred.
/// </exception>
/// <exception cref="ImapProtocolException">
/// The server's response contained unexpected tokens.
/// </exception>
/// <exception cref="ImapCommandException">
/// The server replied with a NO or BAD response.
/// </exception>
public override IList<MessageThread> Thread (IList<UniqueId> uids, ThreadingAlgorithm algorithm, SearchQuery query, CancellationToken cancellationToken = default (CancellationToken))
{
var method = algorithm.ToString ().ToUpperInvariant ();
var set = ImapUtils.FormatUidSet (uids);
var args = new List<string> ();
string charset;
if ((Engine.Capabilities & ImapCapabilities.Thread) == 0)
throw new NotSupportedException ("The IMAP server does not support the THREAD extension.");
if (!Engine.ThreadingAlgorithms.Contains (algorithm))
throw new ArgumentOutOfRangeException ("algorithm", "The specified threading algorithm is not supported.");
if (query == null)
throw new ArgumentNullException ("query");
CheckState (true, false);
var optimized = query.Optimize (new ImapSearchQueryOptimizer ());
var expr = BuildQueryExpression (optimized, args, out charset);
var command = "UID THREAD " + method + " " + charset + " ";
command += "UID " + set + " " + expr + "\r\n";
var ic = new ImapCommand (Engine, cancellationToken, this, command, args.ToArray ());
ic.RegisterUntaggedHandler ("THREAD", ThreadMatches);
Engine.QueueCommand (ic);
Engine.Wait (ic);
ProcessResponseCodes (ic, null);
if (ic.Response != ImapCommandResponse.Ok)
throw ImapCommandException.Create ("THREAD", ic);
var threads = (IList<MessageThread>) ic.UserData;
if (threads == null)
return new MessageThread[0];
return threads;
}
/// <summary>
/// Gets a substream of the specified body part.
/// </summary>
/// <remarks>
/// <para>Gets a substream of the specified message.</para>
/// <para>For more information about how to construct the <paramref name="section"/>,
/// see Section 6.4.5 of RFC3501.</para>
/// </remarks>
/// <returns>The stream.</returns>
/// <param name="uid">The UID of the message.</param>
/// <param name="section">The desired section of the message.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <param name="progress">The progress reporting mechanism.</param>
/// <exception cref="System.ArgumentException">
/// <paramref name="uid"/> is invalid.
/// </exception>
/// <exception cref="System.ArgumentNullException">
/// <paramref name="section"/> is <c>null</c>.
/// </exception>
/// <exception cref="System.ObjectDisposedException">
/// The <see cref="ImapClient"/> has been disposed.
/// </exception>
/// <exception cref="ServiceNotConnectedException">
/// The <see cref="ImapClient"/> is not connected.
/// </exception>
/// <exception cref="ServiceNotAuthenticatedException">
/// The <see cref="ImapClient"/> is not authenticated.
/// </exception>
/// <exception cref="FolderNotOpenException">
/// The <see cref="ImapFolder"/> is not currently open.
/// </exception>
/// <exception cref="MessageNotFoundException">
/// The IMAP server did not return the requested message stream.
/// </exception>
/// <exception cref="System.OperationCanceledException">
/// The operation was canceled via the cancellation token.
/// </exception>
/// <exception cref="System.IO.IOException">
/// An I/O error occurred.
/// </exception>
/// <exception cref="ImapProtocolException">
/// The server's response contained unexpected tokens.
/// </exception>
/// <exception cref="ImapCommandException">
/// The server replied with a NO or BAD response.
/// </exception>
public override Stream GetStream (UniqueId uid, string section, CancellationToken cancellationToken = default (CancellationToken), ITransferProgress progress = null)
{
if (uid.Id == 0)
throw new ArgumentException ("The uid is invalid.", "uid");
if (section == null)
throw new ArgumentNullException ("section");
CheckState (true, false);
var command = string.Format ("UID FETCH {0} (BODY.PEEK[{1}])\r\n", uid.Id, section);
var ic = new ImapCommand (Engine, cancellationToken, this, command);
var ctx = new FetchStreamContext (progress);
Stream stream;
ic.RegisterUntaggedHandler ("FETCH", FetchStream);
ic.UserData = ctx;
Engine.QueueCommand (ic);
try {
Engine.Wait (ic);
ProcessResponseCodes (ic, null);
if (ic.Response != ImapCommandResponse.Ok)
throw ImapCommandException.Create ("FETCH", ic);
if (!ctx.Sections.TryGetValue (section, out stream))
throw new MessageNotFoundException ("The IMAP server did not return the requested stream.");
ctx.Sections.Remove (section);
} finally {
ctx.Dispose ();
}
return stream;
}
/// <summary>
/// Gets a substream of the specified message.
/// </summary>
/// <remarks>
/// <para>Gets a substream of the specified message. If the starting offset is beyond
/// the end of the specified section of the message, an empty stream is returned. If
/// the number of bytes desired extends beyond the end of the section, a truncated
/// stream will be returned.</para>
/// <para>For more information about how to construct the <paramref name="section"/>,
/// see Section 6.4.5 of RFC3501.</para>
/// </remarks>
/// <returns>The stream.</returns>
/// <param name="index">The index of the message.</param>
/// <param name="section">The desired section of the message.</param>
/// <param name="offset">The starting offset of the first desired byte.</param>
/// <param name="count">The number of bytes desired.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <param name="progress">The progress reporting mechanism.</param>
/// <exception cref="System.ArgumentNullException">
/// <paramref name="section"/> is <c>null</c>.
/// </exception>
/// <exception cref="System.ArgumentOutOfRangeException">
/// <para><paramref name="index"/> is out of range.</para>
/// <para>-or-</para>
/// <para><paramref name="offset"/> is negative.</para>
/// <para>-or-</para>
/// <para><paramref name="count"/> is negative.</para>
/// </exception>
/// <exception cref="System.ObjectDisposedException">
/// The <see cref="ImapClient"/> has been disposed.
/// </exception>
/// <exception cref="ServiceNotConnectedException">
/// The <see cref="ImapClient"/> is not connected.
/// </exception>
/// <exception cref="ServiceNotAuthenticatedException">
/// The <see cref="ImapClient"/> is not authenticated.
/// </exception>
/// <exception cref="FolderNotOpenException">
/// The <see cref="ImapFolder"/> is not currently open.
/// </exception>
/// <exception cref="MessageNotFoundException">
/// The IMAP server did not return the requested message stream.
/// </exception>
/// <exception cref="System.OperationCanceledException">
/// The operation was canceled via the cancellation token.
/// </exception>
/// <exception cref="System.IO.IOException">
/// An I/O error occurred.
/// </exception>
/// <exception cref="ImapProtocolException">
/// The server's response contained unexpected tokens.
/// </exception>
/// <exception cref="ImapCommandException">
/// The server replied with a NO or BAD response.
/// </exception>
public override Stream GetStream (int index, string section, int offset, int count, CancellationToken cancellationToken = default (CancellationToken), ITransferProgress progress = null)
{
if (index < 0 || index >= Count)
throw new ArgumentOutOfRangeException ("index");
if (section == null)
throw new ArgumentNullException ("section");
if (offset < 0)
throw new ArgumentOutOfRangeException ("offset");
if (count < 0)
throw new ArgumentOutOfRangeException ("count");
CheckState (true, false);
if (count == 0)
return new MemoryStream ();
var command = string.Format ("FETCH {0} (BODY.PEEK[{1}]<{2}.{3}>)\r\n", index + 1, section, offset, count);
var ic = new ImapCommand (Engine, cancellationToken, this, command);
var ctx = new FetchStreamContext (progress);
Stream stream;
ic.RegisterUntaggedHandler ("FETCH", FetchStream);
ic.UserData = ctx;
Engine.QueueCommand (ic);
try {
Engine.Wait (ic);
ProcessResponseCodes (ic, null);
if (ic.Response != ImapCommandResponse.Ok)
throw ImapCommandException.Create ("FETCH", ic);
if (!ctx.Sections.TryGetValue (section, out stream))
throw new MessageNotFoundException ("The IMAP server did not return the requested stream.");
ctx.Sections.Remove (section);
} finally {
ctx.Dispose ();
}
return stream;
}
/// <summary>
/// Creates a new subfolder with the given name.
/// </summary>
/// <remarks>
/// Creates a new subfolder with the given name.
/// </remarks>
/// <returns>The created folder.</returns>
/// <param name="name">The name of the folder to create.</param>
/// <param name="isMessageFolder"><c>true</c> if the folder will be used to contain messages; otherwise <c>false</c>.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <exception cref="System.ArgumentNullException">
/// <paramref name="name"/> is <c>null</c>.
/// </exception>
/// <exception cref="System.ArgumentException">
/// <paramref name="name"/> is empty.
/// </exception>
/// <exception cref="System.ObjectDisposedException">
/// The <see cref="ImapClient"/> has been disposed.
/// </exception>
/// <exception cref="ServiceNotConnectedException">
/// The <see cref="ImapClient"/> is not connected.
/// </exception>
/// <exception cref="ServiceNotAuthenticatedException">
/// The <see cref="ImapClient"/> is not authenticated.
/// </exception>
/// <exception cref="System.InvalidOperationException">
/// The <see cref="MailFolder.DirectorySeparator"/> is nil, and thus child folders cannot be created.
/// </exception>
/// <exception cref="System.OperationCanceledException">
/// The operation was canceled via the cancellation token.
/// </exception>
/// <exception cref="System.IO.IOException">
/// An I/O error occurred.
/// </exception>
/// <exception cref="ImapProtocolException">
/// The server's response contained unexpected tokens.
/// </exception>
/// <exception cref="ImapCommandException">
/// The server replied with a NO or BAD response.
/// </exception>
public override IMailFolder Create (string name, bool isMessageFolder, CancellationToken cancellationToken = default (CancellationToken))
{
if (name == null)
throw new ArgumentNullException ("name");
if (!Engine.IsValidMailboxName (name, DirectorySeparator))
throw new ArgumentException ("The name is not a legal folder name.", "name");
CheckState (false, false);
if (!string.IsNullOrEmpty (FullName) && DirectorySeparator == '\0')
throw new InvalidOperationException ("Cannot create child folders.");
var fullName = !string.IsNullOrEmpty (FullName) ? FullName + DirectorySeparator + name : name;
var encodedName = Engine.EncodeMailboxName (fullName);
var list = new List<ImapFolder> ();
var createName = encodedName;
ImapFolder folder;
if (!isMessageFolder)
createName += DirectorySeparator;
var ic = Engine.QueueCommand (cancellationToken, null, "CREATE %S\r\n", createName);
Engine.Wait (ic);
ProcessResponseCodes (ic, null);
if (ic.Response != ImapCommandResponse.Ok)
throw ImapCommandException.Create ("CREATE", ic);
ic = new ImapCommand (Engine, cancellationToken, null, "LIST \"\" %S\r\n", encodedName);
ic.RegisterUntaggedHandler ("LIST", ImapUtils.ParseFolderList);
ic.UserData = list;
Engine.QueueCommand (ic);
Engine.Wait (ic);
ProcessResponseCodes (ic, null);
if (ic.Response != ImapCommandResponse.Ok)
throw ImapCommandException.Create ("LIST", ic);
if ((folder = list.FirstOrDefault ()) != null)
folder.ParentFolder = this;
return folder;
}
/// <summary>
/// Gets the specified body part.
/// </summary>
/// <remarks>
/// Gets the specified body part.
/// </remarks>
/// <returns>The body part.</returns>
/// <param name="index">The index of the message.</param>
/// <param name="partSpecifier">The body part specifier.</param>
/// <param name="headersOnly"><c>true</c> if only the headers should be downloaded; otherwise, <c>false</c>></param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <param name="progress">The progress reporting mechanism.</param>
/// <exception cref="System.ArgumentNullException">
/// <paramref name="partSpecifier"/> is <c>null</c>.
/// </exception>
/// <exception cref="System.ArgumentOutOfRangeException">
/// <paramref name="index"/> is out of range.
/// </exception>
/// <exception cref="System.ObjectDisposedException">
/// The <see cref="ImapClient"/> has been disposed.
/// </exception>
/// <exception cref="ServiceNotConnectedException">
/// The <see cref="ImapClient"/> is not connected.
/// </exception>
/// <exception cref="ServiceNotAuthenticatedException">
/// The <see cref="ImapClient"/> is not authenticated.
/// </exception>
/// <exception cref="FolderNotOpenException">
/// The <see cref="ImapFolder"/> is not currently open.
/// </exception>
/// <exception cref="MessageNotFoundException">
/// The IMAP server did not return the requested message.
/// </exception>
/// <exception cref="System.OperationCanceledException">
/// The operation was canceled via the cancellation token.
/// </exception>
/// <exception cref="System.IO.IOException">
/// An I/O error occurred.
/// </exception>
/// <exception cref="ImapProtocolException">
/// The server's response contained unexpected tokens.
/// </exception>
/// <exception cref="ImapCommandException">
/// The server replied with a NO or BAD response.
/// </exception>
public MimeEntity GetBodyPart (int index, string partSpecifier, bool headersOnly, CancellationToken cancellationToken = default (CancellationToken), ITransferProgress progress = null)
{
if (index < 0 || index >= Count)
throw new ArgumentOutOfRangeException ("index");
if (partSpecifier == null)
throw new ArgumentNullException ("partSpecifier");
CheckState (true, false);
string[] tags;
var command = string.Format ("FETCH {0} ({1})\r\n", index + 1, GetBodyPartQuery (partSpecifier, headersOnly, out tags));
var ic = new ImapCommand (Engine, cancellationToken, this, command);
var ctx = new FetchStreamContext (progress);
ChainedStream chained;
bool dispose = false;
Stream stream;
ic.RegisterUntaggedHandler ("FETCH", FetchStream);
ic.UserData = ctx;
Engine.QueueCommand (ic);
try {
Engine.Wait (ic);
ProcessResponseCodes (ic, null);
if (ic.Response != ImapCommandResponse.Ok)
throw ImapCommandException.Create ("FETCH", ic);
chained = new ChainedStream ();
foreach (var tag in tags) {
if (!ctx.Sections.TryGetValue (tag, out stream))
throw new MessageNotFoundException ("The IMAP server did not return the requested body part.");
if (!(stream is MemoryStream || stream is MemoryBlockStream))
dispose = true;
chained.Add (stream);
}
foreach (var tag in tags)
ctx.Sections.Remove (tag);
} finally {
ctx.Dispose ();
}
var entity = ParseEntity (chained, dispose, cancellationToken);
if (partSpecifier.Length == 0) {
for (int i = entity.Headers.Count; i > 0; i--) {
var header = entity.Headers[i - 1];
if (!header.Field.StartsWith ("Content-", StringComparison.OrdinalIgnoreCase))
entity.Headers.RemoveAt (i - 1);
}
}
return entity;
}
/// <summary>
/// Get the quota information for the folder.
/// </summary>
/// <remarks>
/// <para>Gets the quota information for the folder.</para>
/// <para>To determine if a quotas are supported, check the
/// <see cref="ImapClient.SupportsQuotas"/> property.</para>
/// </remarks>
/// <returns>The folder quota.</returns>
/// <param name="cancellationToken">The cancellation token.</param>
/// <exception cref="System.ObjectDisposedException">
/// The <see cref="ImapClient"/> has been disposed.
/// </exception>
/// <exception cref="ServiceNotConnectedException">
/// The <see cref="ImapClient"/> is not connected.
/// </exception>
/// <exception cref="ServiceNotAuthenticatedException">
/// The <see cref="ImapClient"/> is not authenticated.
/// </exception>
/// <exception cref="System.NotSupportedException">
/// The IMAP server does not support the QUOTA extension.
/// </exception>
/// <exception cref="System.OperationCanceledException">
/// The operation was canceled via the cancellation token.
/// </exception>
/// <exception cref="System.IO.IOException">
/// An I/O error occurred.
/// </exception>
/// <exception cref="ImapProtocolException">
/// The server's response contained unexpected tokens.
/// </exception>
/// <exception cref="ImapCommandException">
/// The server replied with a NO or BAD response.
/// </exception>
public override FolderQuota GetQuota (CancellationToken cancellationToken = default (CancellationToken))
{
CheckState (false, false);
if ((Engine.Capabilities & ImapCapabilities.Quota) == 0)
throw new NotSupportedException ("The IMAP server does not support the QUOTA extension.");
var ic = new ImapCommand (Engine, cancellationToken, null, "GETQUOTAROOT %F\r\n", this);
ic.RegisterUntaggedHandler ("QUOTAROOT", UntaggedQuotaRoot);
ic.RegisterUntaggedHandler ("QUOTA", UntaggedQuota);
Engine.QueueCommand (ic);
Engine.Wait (ic);
ProcessResponseCodes (ic, null);
if (ic.Response != ImapCommandResponse.Ok)
throw ImapCommandException.Create ("GETQUOTAROOT", ic);
if (ic.UserData == null)
return new FolderQuota (null);
return (FolderQuota) ic.UserData;
}
/// <summary>
/// Set the quota limits for the folder.
/// </summary>
/// <remarks>
/// <para>Sets the quota limits for the folder.</para>
/// <para>To determine if a quotas are supported, check the
/// <see cref="ImapClient.SupportsQuotas"/> property.</para>
/// </remarks>
/// <returns>The folder quota.</returns>
/// <param name="messageLimit">If not <c>null</c>, sets the maximum number of messages to allow.</param>
/// <param name="storageLimit">If not <c>null</c>, sets the maximum storage size (in kilobytes).</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <exception cref="System.ObjectDisposedException">
/// The <see cref="ImapClient"/> has been disposed.
/// </exception>
/// <exception cref="ServiceNotConnectedException">
/// The <see cref="ImapClient"/> is not connected.
/// </exception>
/// <exception cref="ServiceNotAuthenticatedException">
/// The <see cref="ImapClient"/> is not authenticated.
/// </exception>
/// <exception cref="System.NotSupportedException">
/// The IMAP server does not support the QUOTA extension.
/// </exception>
/// <exception cref="System.OperationCanceledException">
/// The operation was canceled via the cancellation token.
/// </exception>
/// <exception cref="System.IO.IOException">
/// An I/O error occurred.
/// </exception>
/// <exception cref="ImapProtocolException">
/// The server's response contained unexpected tokens.
/// </exception>
/// <exception cref="ImapCommandException">
/// The server replied with a NO or BAD response.
/// </exception>
public override FolderQuota SetQuota (uint? messageLimit, uint? storageLimit, CancellationToken cancellationToken = default (CancellationToken))
{
CheckState (false, false);
if ((Engine.Capabilities & ImapCapabilities.Quota) == 0)
throw new NotSupportedException ("The IMAP server does not support the QUOTA extension.");
var command = new StringBuilder ("SETQUOTA %F (");
if (messageLimit.HasValue)
command.AppendFormat ("MESSAGE {0}", messageLimit.Value);
if (storageLimit.HasValue)
command.AppendFormat ("STORAGE {0}", storageLimit.Value);
command.Append (")\r\n");
var ic = new ImapCommand (Engine, cancellationToken, null, command.ToString (), this);
ic.RegisterUntaggedHandler ("QUOTA", UntaggedQuota);
Engine.QueueCommand (ic);
Engine.Wait (ic);
ProcessResponseCodes (ic, null);
if (ic.Response != ImapCommandResponse.Ok)
throw ImapCommandException.Create ("SETQUOTA", ic);
if (ic.UserData == null)
return new FolderQuota (null);
return (FolderQuota) ic.UserData;
}
/// <summary>
/// Gets the specified subfolder.
/// </summary>
/// <remarks>
/// Gets the specified subfolder.
/// </remarks>
/// <returns>The subfolder.</returns>
/// <param name="name">The name of the subfolder.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <exception cref="System.ArgumentNullException">
/// <paramref name="name"/> is <c>null</c>.
/// </exception>
/// <exception cref="System.ArgumentException">
/// <paramref name="name"/> is either an empty string or contains the <see cref="MailFolder.DirectorySeparator"/>.
/// </exception>
/// <exception cref="System.ObjectDisposedException">
/// The <see cref="ImapClient"/> has been disposed.
/// </exception>
/// <exception cref="ServiceNotConnectedException">
/// The <see cref="ImapClient"/> is not connected.
/// </exception>
/// <exception cref="ServiceNotAuthenticatedException">
/// The <see cref="ImapClient"/> is not authenticated.
/// </exception>
/// <exception cref="System.OperationCanceledException">
/// The operation was canceled via the cancellation token.
/// </exception>
/// <exception cref="System.IO.IOException">
/// An I/O error occurred.
/// </exception>
/// <exception cref="FolderNotFoundException">
/// The requested folder could not be found.
/// </exception>
/// <exception cref="ImapProtocolException">
/// The server's response contained unexpected tokens.
/// </exception>
/// <exception cref="ImapCommandException">
/// The server replied with a NO or BAD response.
/// </exception>
public override IMailFolder GetSubfolder (string name, CancellationToken cancellationToken = default (CancellationToken))
{
if (name == null)
throw new ArgumentNullException ("name");
if (!Engine.IsValidMailboxName (name, DirectorySeparator))
throw new ArgumentException ("The name of the subfolder is invalid.", "name");
CheckState (false, false);
var fullName = FullName.Length > 0 ? FullName + DirectorySeparator + name : name;
var encodedName = Engine.EncodeMailboxName (fullName);
var list = new List<ImapFolder> ();
ImapFolder subfolder;
if (Engine.GetCachedFolder (encodedName, out subfolder))
return subfolder;
var ic = new ImapCommand (Engine, cancellationToken, null, "LIST \"\" %S\r\n", encodedName);
ic.RegisterUntaggedHandler ("LIST", ImapUtils.ParseFolderList);
ic.UserData = list;
Engine.QueueCommand (ic);
Engine.Wait (ic);
ProcessResponseCodes (ic, null);
if (ic.Response != ImapCommandResponse.Ok)
throw ImapCommandException.Create ("LIST", ic);
if (list.Count == 0)
throw new FolderNotFoundException (fullName);
return list[0];
}
/// <summary>
/// Get the access rights for the current authenticated user.
/// </summary>
/// <remarks>
/// Gets the access rights for the current authenticated user.
/// </remarks>
/// <returns>The access rights.</returns>
/// <param name="cancellationToken">The cancellation token.</param>
/// <exception cref="System.ObjectDisposedException">
/// The <see cref="ImapClient"/> has been disposed.
/// </exception>
/// <exception cref="ServiceNotConnectedException">
/// The <see cref="ImapClient"/> is not connected.
/// </exception>
/// <exception cref="ServiceNotAuthenticatedException">
/// The <see cref="ImapClient"/> is not authenticated.
/// </exception>
/// <exception cref="System.NotSupportedException">
/// The IMAP server does not support the ACL extension.
/// </exception>
/// <exception cref="System.OperationCanceledException">
/// The operation was canceled via the cancellation token.
/// </exception>
/// <exception cref="System.IO.IOException">
/// An I/O error occurred.
/// </exception>
/// <exception cref="ImapProtocolException">
/// The server's response contained unexpected tokens.
/// </exception>
/// <exception cref="ImapCommandException">
/// The command failed.
/// </exception>
public override AccessRights GetMyAccessRights (CancellationToken cancellationToken = default (CancellationToken))
{
if ((Engine.Capabilities & ImapCapabilities.Acl) == 0)
throw new NotSupportedException ("The IMAP server does not support the ACL extension.");
CheckState (false, false);
var ic = new ImapCommand (Engine, cancellationToken, null, "MYRIGHTS %F\r\n", this);
ic.RegisterUntaggedHandler ("MYRIGHTS", UntaggedMyRights);
ic.UserData = new AccessRights ();
Engine.QueueCommand (ic);
Engine.Wait (ic);
ProcessResponseCodes (ic, null);
if (ic.Response != ImapCommandResponse.Ok)
throw ImapCommandException.Create ("MYRIGHTS", ic);
return (AccessRights) ic.UserData;
}
/// <summary>
/// Gets the subfolders.
/// </summary>
/// <remarks>
/// Gets the subfolders.
/// </remarks>
/// <returns>The subfolders.</returns>
/// <param name="subscribedOnly">If set to <c>true</c>, only subscribed folders will be listed.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <exception cref="System.ObjectDisposedException">
/// The <see cref="ImapClient"/> has been disposed.
/// </exception>
/// <exception cref="ServiceNotConnectedException">
/// The <see cref="ImapClient"/> is not connected.
/// </exception>
/// <exception cref="ServiceNotAuthenticatedException">
/// The <see cref="ImapClient"/> is not authenticated.
/// </exception>
/// <exception cref="System.OperationCanceledException">
/// The operation was canceled via the cancellation token.
/// </exception>
/// <exception cref="System.IO.IOException">
/// An I/O error occurred.
/// </exception>
/// <exception cref="ImapProtocolException">
/// The server's response contained unexpected tokens.
/// </exception>
/// <exception cref="ImapCommandException">
/// The server replied with a NO or BAD response.
/// </exception>
public override IEnumerable<IMailFolder> GetSubfolders (bool subscribedOnly = false, CancellationToken cancellationToken = default (CancellationToken))
{
CheckState (false, false);
var pattern = EncodedName.Length > 0 ? EncodedName + DirectorySeparator : string.Empty;
var command = subscribedOnly ? "LSUB" : "LIST";
var children = new List<IMailFolder> ();
var list = new List<ImapFolder> ();
var ic = new ImapCommand (Engine, cancellationToken, null, command + " \"\" %S\r\n", pattern + "%");
ic.RegisterUntaggedHandler (command, ImapUtils.ParseFolderList);
ic.UserData = list;
Engine.QueueCommand (ic);
Engine.Wait (ic);
// Note: Some broken IMAP servers (*cough* SmarterMail 13.0 *cough*) return folders
// that are not children of the folder we requested, so we need to filter those
// folders out of the list we'll be returning to our caller.
//
// See https://github.com/jstedfast/MailKit/issues/149 for more details.
var prefix = FullName.Length > 0 ? FullName + DirectorySeparator : string.Empty;
prefix = ImapUtils.CanonicalizeMailboxName (prefix, DirectorySeparator);
foreach (var folder in list) {
var canonicalFullName = ImapUtils.CanonicalizeMailboxName (folder.FullName, folder.DirectorySeparator);
var canonicalName = ImapUtils.IsInbox (folder.Name) ? "INBOX" : folder.Name;
if (canonicalFullName != prefix + canonicalName)
continue;
folder.ParentFolder = this;
children.Add (folder);
}
ProcessResponseCodes (ic, null);
if (ic.Response != ImapCommandResponse.Ok)
throw ImapCommandException.Create (subscribedOnly ? "LSUB" : "LIST", ic);
return children;
}
/// <summary>
/// Identify the client implementation to the server and obtain the server implementation details.
/// </summary>
/// <remarks>
/// <para>Passes along the client implementation details to the server while also obtaining implementation
/// details from the server.</para>
/// <para>If the <paramref name="clientImplementation"/> is null or no properties have been set, no
/// identifying information will be sent to the server.</para>
/// <para>Security Implications</para>
/// <para>This command has the danger of violating the privacy of users if misused. Clients should
/// notify users that they send the ID command.</para>
/// <para>It is highly desirable that implementations provide a method of disabling ID support, perhaps by
/// not calling this method at all, or by passing <c>null</c> as the <paramref name="clientImplementation"/>
/// argument.</para>
/// <para>Implementors must exercise extreme care in adding properties to the <paramref name="clientImplementation"/>.
/// Some properties, such as a processor ID number, Ethernet address, or other unique (or mostly unique) identifier
/// would allow tracking of users in ways that violate user privacy expectations and may also make it easier for
/// attackers to exploit security holes in the client.</para>
/// </remarks>
/// <example>
/// <code language="c#" source="Examples\ImapExamples.cs" region="Capabilities"/>
/// </example>
/// <returns>The implementation details of the server.</returns>
/// <param name="clientImplementation">The client implementation.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <exception cref="System.ObjectDisposedException">
/// The <see cref="ImapClient"/> has been disposed.
/// </exception>
/// <exception cref="ServiceNotConnectedException">
/// The <see cref="ImapClient"/> is not connected.
/// </exception>
/// <exception cref="System.NotSupportedException">
/// The IMAP server does not support the ID extension.
/// </exception>
/// <exception cref="System.OperationCanceledException">
/// The operation was canceled via the cancellation token.
/// </exception>
/// <exception cref="System.IO.IOException">
/// An I/O error occurred.
/// </exception>
/// <exception cref="ImapCommandException">
/// The server replied to the ID command with a NO or BAD response.
/// </exception>
/// <exception cref="ImapProtocolException">
/// An IMAP protocol error occurred.
/// </exception>
public ImapImplementation Identify (ImapImplementation clientImplementation, CancellationToken cancellationToken = default (CancellationToken))
{
CheckDisposed ();
CheckConnected ();
if ((engine.Capabilities & ImapCapabilities.Id) == 0)
throw new NotSupportedException ("The IMAP server does not support the ID extension.");
var command = new StringBuilder ("ID ");
var args = new List<object> ();
if (clientImplementation != null && clientImplementation.Properties.Count > 0) {
command.Append ('(');
foreach (var property in clientImplementation.Properties) {
command.Append ("%Q ");
args.Add (property.Key);
if (property.Value != null) {
command.Append ("%Q ");
args.Add (property.Value);
} else {
command.Append ("NIL ");
}
}
command[command.Length - 1] = ')';
command.Append ("\r\n");
} else {
command.Append ("NIL\r\n");
}
var ic = new ImapCommand (engine, cancellationToken, null, command.ToString (), args.ToArray ());
ic.RegisterUntaggedHandler ("ID", ImapUtils.ParseImplementation);
engine.QueueCommand (ic);
engine.Wait (ic);
if (ic.Response != ImapCommandResponse.Ok)
throw ImapCommandException.Create ("ID", ic);
return (ImapImplementation) ic.UserData;
}
/// <summary>
/// Queries the special folders.
/// </summary>
/// <returns>The command result.</returns>
/// <param name="cancellationToken">The cancellation token.</param>
public void QuerySpecialFolders(CancellationToken cancellationToken)
{
if (stream == null)
throw new InvalidOperationException ();
ImapFolder folder;
if (!FolderCache.TryGetValue ("INBOX", out folder)) {
var list = new List<ImapFolder> ();
var ic = new ImapCommand (this, cancellationToken, null, "LIST \"\" \"INBOX\"\r\n");
ic.RegisterUntaggedHandler ("LIST", ImapUtils.ParseFolderList);
ic.UserData = list;
QueueCommand (ic);
Wait (ic);
Inbox = list.Count > 0 ? list[0] : null;
}
if ((Capabilities & ImapCapabilities.SpecialUse) != 0) {
var list = new List<ImapFolder> ();
var ic = new ImapCommand (this, cancellationToken, null, "LIST (SPECIAL-USE) \"\" \"*\"\r\n");
ic.RegisterUntaggedHandler ("LIST", ImapUtils.ParseFolderList);
ic.UserData = list;
QueueCommand (ic);
Wait (ic);
LookupParentFolders (list, cancellationToken);
for (int i = 0; i < list.Count; i++) {
folder = list[i];
if ((folder.Attributes & FolderAttributes.All) != 0)
All = folder;
if ((folder.Attributes & FolderAttributes.Archive) != 0)
Archive = folder;
if ((folder.Attributes & FolderAttributes.Drafts) != 0)
Drafts = folder;
if ((folder.Attributes & FolderAttributes.Flagged) != 0)
Flagged = folder;
if ((folder.Attributes & FolderAttributes.Junk) != 0)
Junk = folder;
if ((folder.Attributes & FolderAttributes.Sent) != 0)
Sent = folder;
if ((folder.Attributes & FolderAttributes.Trash) != 0)
Trash = folder;
}
} else if ((Capabilities & ImapCapabilities.XList) != 0) {
var list = new List<ImapFolder> ();
var ic = new ImapCommand (this, cancellationToken, null, "XLIST \"\" \"*\"\r\n");
ic.RegisterUntaggedHandler ("XLIST", ImapUtils.ParseFolderList);
ic.UserData = list;
QueueCommand (ic);
Wait (ic);
LookupParentFolders (list, cancellationToken);
for (int i = 0; i < list.Count; i++) {
folder = list[i];
if ((folder.Attributes & FolderAttributes.All) != 0)
All = folder;
if ((folder.Attributes & FolderAttributes.Archive) != 0)
Archive = folder;
if ((folder.Attributes & FolderAttributes.Drafts) != 0)
Drafts = folder;
if ((folder.Attributes & FolderAttributes.Flagged) != 0)
Flagged = folder;
if ((folder.Attributes & FolderAttributes.Junk) != 0)
Junk = folder;
if ((folder.Attributes & FolderAttributes.Sent) != 0)
Sent = folder;
if ((folder.Attributes & FolderAttributes.Trash) != 0)
Trash = folder;
}
}
}
/// <summary>
/// Fetches the message summaries for the messages between the two indexes, inclusive.
/// </summary>
/// <remarks>
/// <para>Fetches the message summaries for the messages between the two
/// indexes, inclusive.</para>
/// <para>It should be noted that if another client has modified any message
/// in the folder, the IMAP server may choose to return information that was
/// not explicitly requested. It is therefore important to be prepared to
/// handle both additional fields on a <see cref="IMessageSummary"/> for
/// messages that were requested as well as summaries for messages that were
/// not requested at all.</para>
/// </remarks>
/// <returns>An enumeration of summaries for the requested messages.</returns>
/// <param name="min">The minimum index.</param>
/// <param name="max">The maximum index, or <c>-1</c> to specify no upper bound.</param>
/// <param name="items">The message summary items to fetch.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <exception cref="System.ArgumentOutOfRangeException">
/// <para><paramref name="min"/> is out of range.</para>
/// <para>-or-</para>
/// <para><paramref name="max"/> is out of range.</para>
/// <para>-or-</para>
/// <para><paramref name="items"/> is empty.</para>
/// </exception>
/// <exception cref="System.ObjectDisposedException">
/// The <see cref="ImapClient"/> has been disposed.
/// </exception>
/// <exception cref="ServiceNotConnectedException">
/// The <see cref="ImapClient"/> is not connected.
/// </exception>
/// <exception cref="ServiceNotAuthenticatedException">
/// The <see cref="ImapClient"/> is not authenticated.
/// </exception>
/// <exception cref="FolderNotOpenException">
/// The <see cref="ImapFolder"/> is not currently open.
/// </exception>
/// <exception cref="System.OperationCanceledException">
/// The operation was canceled via the cancellation token.
/// </exception>
/// <exception cref="System.IO.IOException">
/// An I/O error occurred.
/// </exception>
/// <exception cref="ImapProtocolException">
/// The server's response contained unexpected tokens.
/// </exception>
/// <exception cref="ImapCommandException">
/// The server replied with a NO or BAD response.
/// </exception>
public override IList<IMessageSummary> Fetch (int min, int max, MessageSummaryItems items, CancellationToken cancellationToken = default (CancellationToken))
{
if (min < 0 || min > Count)
throw new ArgumentOutOfRangeException ("min");
if (max != -1 && max < min)
throw new ArgumentOutOfRangeException ("max");
if (items == MessageSummaryItems.None)
throw new ArgumentOutOfRangeException ("items");
CheckState (true, false);
if (min == Count)
return new IMessageSummary[0];
var query = FormatSummaryItems (ref items, null);
var command = string.Format ("FETCH {0} {1}\r\n", GetFetchRange (min, max), query);
var ic = new ImapCommand (Engine, cancellationToken, this, command);
var ctx = new FetchSummaryContext (items);
ic.RegisterUntaggedHandler ("FETCH", FetchSummaryItems);
ic.UserData = ctx;
Engine.QueueCommand (ic);
Engine.Wait (ic);
ProcessResponseCodes (ic, null);
if (ic.Response != ImapCommandResponse.Ok)
throw ImapCommandException.Create ("FETCH", ic);
return AsReadOnly (ctx.Results.Values);
}
/// <summary>
/// Gets the specified metadata.
/// </summary>
/// <remarks>
/// Gets the specified metadata.
/// </remarks>
/// <returns>The requested metadata value.</returns>
/// <param name="tag">The metadata tag.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <exception cref="System.ObjectDisposedException">
/// The <see cref="ImapClient"/> has been disposed.
/// </exception>
/// <exception cref="ServiceNotConnectedException">
/// The <see cref="ImapClient"/> is not connected.
/// </exception>
/// <exception cref="ServiceNotAuthenticatedException">
/// The <see cref="ImapClient"/> is not authenticated.
/// </exception>
/// <exception cref="System.NotSupportedException">
/// The IMAP server does not support the METADATA extension.
/// </exception>
/// <exception cref="System.OperationCanceledException">
/// The operation was canceled via the cancellation token.
/// </exception>
/// <exception cref="System.IO.IOException">
/// An I/O error occurred.
/// </exception>
/// <exception cref="ImapProtocolException">
/// The server's response contained unexpected tokens.
/// </exception>
/// <exception cref="ImapCommandException">
/// The server replied with a NO or BAD response.
/// </exception>
public override string GetMetadata (MetadataTag tag, CancellationToken cancellationToken = default (CancellationToken))
{
CheckState (false, false);
if ((Engine.Capabilities & ImapCapabilities.Metadata) == 0)
throw new NotSupportedException ("The IMAP server does not support the METADATA extension.");
var ic = new ImapCommand (Engine, cancellationToken, null, "GETMETADATA %F (%S)\r\n", this, tag.Id);
ic.RegisterUntaggedHandler ("METADATA", UntaggedMetadata);
var metadata = new MetadataCollection ();
ic.UserData = metadata;
Engine.QueueCommand (ic);
Engine.Wait (ic);
ProcessResponseCodes (ic, null);
if (ic.Response != ImapCommandResponse.Ok)
throw ImapCommandException.Create ("GETMETADATA", ic);
for (int i = 0; i < metadata.Count; i++) {
if (metadata[i].Tag.Id == tag.Id)
return metadata[i].Value;
}
return null;
}
/// <summary>
/// Fetches the message summaries for the messages between the two indexes (inclusive)
/// that have a higher mod-sequence value than the one specified.
/// </summary>
/// <remarks>
/// <para>Fetches the message summaries for the messages between the two
/// indexes (inclusive) that have a higher mod-sequence value than the one
/// specified.</para>
/// <para>It should be noted that if another client has modified any message
/// in the folder, the IMAP server may choose to return information that was
/// not explicitly requested. It is therefore important to be prepared to
/// handle both additional fields on a <see cref="IMessageSummary"/> for
/// messages that were requested as well as summaries for messages that were
/// not requested at all.</para>
/// </remarks>
/// <returns>An enumeration of summaries for the requested messages.</returns>
/// <param name="min">The minimum index.</param>
/// <param name="max">The maximum index, or <c>-1</c> to specify no upper bound.</param>
/// <param name="modseq">The mod-sequence value.</param>
/// <param name="items">The message summary items to fetch.</param>
/// <param name="fields">The desired header fields.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <exception cref="System.ArgumentOutOfRangeException">
/// <para><paramref name="min"/> is out of range.</para>
/// <para>-or-</para>
/// <para><paramref name="max"/> is out of range.</para>
/// </exception>
/// <exception cref="System.ArgumentNullException">
/// <paramref name="fields"/> is <c>null</c>.
/// </exception>
/// <exception cref="System.ArgumentException">
/// <paramref name="fields"/> is empty.
/// </exception>
/// <exception cref="System.ObjectDisposedException">
/// The <see cref="ImapClient"/> has been disposed.
/// </exception>
/// <exception cref="ServiceNotConnectedException">
/// The <see cref="ImapClient"/> is not connected.
/// </exception>
/// <exception cref="ServiceNotAuthenticatedException">
/// The <see cref="ImapClient"/> is not authenticated.
/// </exception>
/// <exception cref="FolderNotOpenException">
/// The <see cref="ImapFolder"/> is not currently open.
/// </exception>
/// <exception cref="System.NotSupportedException">
/// The <see cref="ImapFolder"/> does not support mod-sequences.
/// </exception>
/// <exception cref="System.OperationCanceledException">
/// The operation was canceled via the cancellation token.
/// </exception>
/// <exception cref="System.IO.IOException">
/// An I/O error occurred.
/// </exception>
/// <exception cref="ImapProtocolException">
/// The server's response contained unexpected tokens.
/// </exception>
/// <exception cref="ImapCommandException">
/// The server replied with a NO or BAD response.
/// </exception>
public override IList<IMessageSummary> Fetch (int min, int max, ulong modseq, MessageSummaryItems items, HashSet<string> fields, CancellationToken cancellationToken = default (CancellationToken))
{
if (min < 0 || min >= Count)
throw new ArgumentOutOfRangeException ("min");
if (max != -1 && max < min)
throw new ArgumentOutOfRangeException ("max");
if (fields == null)
throw new ArgumentNullException ("fields");
if (fields.Count == 0)
throw new ArgumentException ("The set of header fields cannot be empty.", "fields");
if (!SupportsModSeq)
throw new NotSupportedException ("The ImapFolder does not support mod-sequences.");
CheckState (true, false);
var query = FormatSummaryItems (ref items, fields);
var command = string.Format ("FETCH {0} {1} (CHANGEDSINCE {2})\r\n", GetFetchRange (min, max), query, modseq);
var ic = new ImapCommand (Engine, cancellationToken, this, command);
var ctx = new FetchSummaryContext (items);
ic.RegisterUntaggedHandler ("FETCH", FetchSummaryItems);
ic.UserData = ctx;
Engine.QueueCommand (ic);
Engine.Wait (ic);
ProcessResponseCodes (ic, null);
if (ic.Response != ImapCommandResponse.Ok)
throw ImapCommandException.Create ("FETCH", ic);
return AsReadOnly (ctx.Results.Values);
}
/// <summary>
/// Gets the specified metadata.
/// </summary>
/// <remarks>
/// Gets the specified metadata.
/// </remarks>
/// <returns>The requested metadata.</returns>
/// <param name="tags">The metadata tags.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <exception cref="System.ArgumentNullException">
/// <paramref name="tags"/> is <c>null</c>.
/// </exception>
/// <exception cref="System.ObjectDisposedException">
/// The <see cref="ImapClient"/> has been disposed.
/// </exception>
/// <exception cref="ServiceNotConnectedException">
/// The <see cref="ImapClient"/> is not connected.
/// </exception>
/// <exception cref="ServiceNotAuthenticatedException">
/// The <see cref="ImapClient"/> is not authenticated.
/// </exception>
/// <exception cref="System.NotSupportedException">
/// The IMAP server does not support the METADATA extension.
/// </exception>
/// <exception cref="System.OperationCanceledException">
/// The operation was canceled via the cancellation token.
/// </exception>
/// <exception cref="System.IO.IOException">
/// An I/O error occurred.
/// </exception>
/// <exception cref="ImapProtocolException">
/// The server's response contained unexpected tokens.
/// </exception>
/// <exception cref="ImapCommandException">
/// The server replied with a NO or BAD response.
/// </exception>
public override MetadataCollection GetMetadata (IEnumerable<MetadataTag> tags, CancellationToken cancellationToken = default (CancellationToken))
{
if (tags == null)
throw new ArgumentNullException ("tags");
CheckState (false, false);
if ((Engine.Capabilities & ImapCapabilities.Metadata) == 0)
throw new NotSupportedException ("The IMAP server does not support the METADATA extension.");
var command = new StringBuilder ("GETMETADATA %F (");
var args = new List<object> ();
args.Add (this);
foreach (var tag in tags) {
if (args.Count > 1)
command.Append (' ');
command.Append ("%S");
args.Add (tag.Id);
}
command.Append (")\r\n");
var ic = new ImapCommand (Engine, cancellationToken, null, command.ToString (), args.ToArray ());
ic.RegisterUntaggedHandler ("METADATA", UntaggedMetadata);
ic.UserData = new MetadataCollection ();
Engine.QueueCommand (ic);
Engine.Wait (ic);
ProcessResponseCodes (ic, null);
if (ic.Response != ImapCommandResponse.Ok)
throw ImapCommandException.Create ("GETMETADATA", ic);
return (MetadataCollection) ic.UserData;
}
/// <summary>
/// Gets the specified message.
/// </summary>
/// <remarks>
/// Gets the specified message.
/// </remarks>
/// <returns>The message.</returns>
/// <param name="index">The index of the message.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <param name="progress">The progress reporting mechanism.</param>
/// <exception cref="System.ArgumentOutOfRangeException">
/// <paramref name="index"/> is out of range.
/// </exception>
/// <exception cref="System.ObjectDisposedException">
/// The <see cref="ImapClient"/> has been disposed.
/// </exception>
/// <exception cref="ServiceNotConnectedException">
/// The <see cref="ImapClient"/> is not connected.
/// </exception>
/// <exception cref="ServiceNotAuthenticatedException">
/// The <see cref="ImapClient"/> is not authenticated.
/// </exception>
/// <exception cref="FolderNotOpenException">
/// The <see cref="ImapFolder"/> is not currently open.
/// </exception>
/// <exception cref="MessageNotFoundException">
/// The IMAP server did not return the requested message.
/// </exception>
/// <exception cref="System.OperationCanceledException">
/// The operation was canceled via the cancellation token.
/// </exception>
/// <exception cref="System.IO.IOException">
/// An I/O error occurred.
/// </exception>
/// <exception cref="ImapProtocolException">
/// The server's response contained unexpected tokens.
/// </exception>
/// <exception cref="ImapCommandException">
/// The server replied with a NO or BAD response.
/// </exception>
public override MimeMessage GetMessage (int index, CancellationToken cancellationToken = default (CancellationToken), ITransferProgress progress = null)
{
if (index < 0 || index >= Count)
throw new ArgumentOutOfRangeException ("index");
CheckState (true, false);
var ic = new ImapCommand (Engine, cancellationToken, this, "FETCH %d (BODY.PEEK[])\r\n", index + 1);
var ctx = new FetchStreamContext (progress);
Stream stream;
ic.RegisterUntaggedHandler ("FETCH", FetchStream);
ic.UserData = ctx;
Engine.QueueCommand (ic);
try {
Engine.Wait (ic);
ProcessResponseCodes (ic, null);
if (ic.Response != ImapCommandResponse.Ok)
throw ImapCommandException.Create ("FETCH", ic);
if (!ctx.Sections.TryGetValue (string.Empty, out stream))
throw new MessageNotFoundException ("The IMAP server did not return the requested message.");
ctx.Sections.Remove (string.Empty);
} finally {
ctx.Dispose ();
}
return ParseMessage (stream, cancellationToken);
}
/// <summary>
/// Opens the folder using the requested folder access.
/// </summary>
/// <remarks>
/// <para>This variant of the <see cref="Open(FolderAccess,System.Threading.CancellationToken)"/>
/// method is meant for quick resynchronization of the folder. Before calling this method,
/// the <see cref="ImapClient.EnableQuickResync(CancellationToken)"/> method MUST be called.</para>
/// <para>You should also make sure to add listeners to the <see cref="MailFolder.MessagesVanished"/> and
/// <see cref="MailFolder.MessageFlagsChanged"/> events to get notifications of changes since
/// the last time the folder was opened.</para>
/// </remarks>
/// <returns>The <see cref="FolderAccess"/> state of the folder.</returns>
/// <param name="access">The requested folder access.</param>
/// <param name="uidValidity">The last known <see cref="MailFolder.UidValidity"/> value.</param>
/// <param name="highestModSeq">The last known <see cref="MailFolder.HighestModSeq"/> value.</param>
/// <param name="uids">The last known list of unique message identifiers.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <exception cref="System.ArgumentOutOfRangeException">
/// <paramref name="access"/> is not a valid value.
/// </exception>
/// <exception cref="System.ObjectDisposedException">
/// The <see cref="ImapClient"/> has been disposed.
/// </exception>
/// <exception cref="ServiceNotConnectedException">
/// The <see cref="ImapClient"/> is not connected.
/// </exception>
/// <exception cref="ServiceNotAuthenticatedException">
/// The <see cref="ImapClient"/> is not authenticated.
/// </exception>
/// <exception cref="FolderNotFoundException">
/// The <see cref="ImapFolder"/> does not exist.
/// </exception>
/// <exception cref="System.InvalidOperationException">
/// The QRESYNC feature has not been enabled.
/// </exception>
/// <exception cref="System.NotSupportedException">
/// The IMAP server does not support the QRESYNC extension.
/// </exception>
/// <exception cref="System.OperationCanceledException">
/// The operation was canceled via the cancellation token.
/// </exception>
/// <exception cref="System.IO.IOException">
/// An I/O error occurred.
/// </exception>
/// <exception cref="ImapProtocolException">
/// The server's response contained unexpected tokens.
/// </exception>
/// <exception cref="ImapCommandException">
/// The server replied with a NO or BAD response.
/// </exception>
public override FolderAccess Open (FolderAccess access, uint uidValidity, ulong highestModSeq, IList<UniqueId> uids, CancellationToken cancellationToken = default (CancellationToken))
{
var set = ImapUtils.FormatUidSet (uids);
if (access != FolderAccess.ReadOnly && access != FolderAccess.ReadWrite)
throw new ArgumentOutOfRangeException ("access");
CheckState (false, false);
if (IsOpen && Access == access)
return access;
if ((Engine.Capabilities & ImapCapabilities.QuickResync) == 0)
throw new NotSupportedException ("The IMAP server does not support the QRESYNC extension.");
if (!Engine.QResyncEnabled)
throw new InvalidOperationException ("The QRESYNC extension has not been enabled.");
var qresync = string.Format ("(QRESYNC ({0} {1}", uidValidity, highestModSeq);
if (uids.Count > 0)
qresync += " " + set;
qresync += "))";
var command = string.Format ("{0} %F {1}\r\n", SelectOrExamine (access), qresync);
var ic = new ImapCommand (Engine, cancellationToken, this, command, this);
ic.RegisterUntaggedHandler ("FETCH", QResyncFetch);
if (access == FolderAccess.ReadWrite) {
// Note: if the server does not respond with a PERMANENTFLAGS response,
// then we need to assume all flags are permanent.
PermanentFlags = SettableFlags | MessageFlags.UserDefined;
} else {
PermanentFlags = MessageFlags.None;
}
try {
Engine.QueueCommand (ic);
Engine.Wait (ic);
ProcessResponseCodes (ic, this);
if (ic.Response != ImapCommandResponse.Ok)
throw ImapCommandException.Create (access == FolderAccess.ReadOnly ? "EXAMINE" : "SELECT", ic);
} catch {
PermanentFlags = MessageFlags.None;
throw;
}
if (Engine.Selected != null && Engine.Selected != this) {
var folder = Engine.Selected;
folder.PermanentFlags = MessageFlags.None;
folder.AcceptedFlags = MessageFlags.None;
folder.Access = FolderAccess.None;
folder.OnClosed ();
}
Engine.State = ImapEngineState.Selected;
Engine.Selected = this;
OnOpened ();
return Access;
}
/// <summary>
/// Gets a substream of the specified message.
/// </summary>
/// <remarks>
/// Fetches a substream of the message. If the starting offset is beyond
/// the end of the message, an empty stream is returned. If the number of
/// bytes desired extends beyond the end of the message, a truncated stream
/// will be returned.
/// </remarks>
/// <returns>The stream.</returns>
/// <param name="uid">The UID of the message.</param>
/// <param name="offset">The starting offset of the first desired byte.</param>
/// <param name="count">The number of bytes desired.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <param name="progress">The progress reporting mechanism.</param>
/// <exception cref="System.ArgumentException">
/// <paramref name="uid"/> is invalid.
/// </exception>
/// <exception cref="System.ArgumentOutOfRangeException">
/// <para><paramref name="offset"/> is negative.</para>
/// <para>-or-</para>
/// <para><paramref name="count"/> is negative.</para>
/// </exception>
/// <exception cref="System.ObjectDisposedException">
/// The <see cref="ImapClient"/> has been disposed.
/// </exception>
/// <exception cref="ServiceNotConnectedException">
/// The <see cref="ImapClient"/> is not connected.
/// </exception>
/// <exception cref="ServiceNotAuthenticatedException">
/// The <see cref="ImapClient"/> is not authenticated.
/// </exception>
/// <exception cref="FolderNotOpenException">
/// The <see cref="ImapFolder"/> is not currently open.
/// </exception>
/// <exception cref="MessageNotFoundException">
/// The IMAP server did not return the requested message stream.
/// </exception>
/// <exception cref="System.OperationCanceledException">
/// The operation was canceled via the cancellation token.
/// </exception>
/// <exception cref="System.IO.IOException">
/// An I/O error occurred.
/// </exception>
/// <exception cref="ImapProtocolException">
/// The server's response contained unexpected tokens.
/// </exception>
/// <exception cref="ImapCommandException">
/// The server replied with a NO or BAD response.
/// </exception>
public override Stream GetStream (UniqueId uid, int offset, int count, CancellationToken cancellationToken = default (CancellationToken), ITransferProgress progress = null)
{
if (uid.Id == 0)
throw new ArgumentException ("The uid is invalid.", "uid");
if (offset < 0)
throw new ArgumentOutOfRangeException ("offset");
if (count < 0)
throw new ArgumentOutOfRangeException ("count");
CheckState (true, false);
if (count == 0)
return new MemoryStream ();
var ic = new ImapCommand (Engine, cancellationToken, this, "UID FETCH %u (BODY.PEEK[]<%d.%d>)\r\n", uid.Id, offset, count);
var ctx = new FetchStreamContext (progress);
Stream stream;
ic.RegisterUntaggedHandler ("FETCH", FetchStream);
ic.UserData = ctx;
Engine.QueueCommand (ic);
try {
Engine.Wait (ic);
ProcessResponseCodes (ic, null);
if (ic.Response != ImapCommandResponse.Ok)
throw ImapCommandException.Create ("FETCH", ic);
if (!ctx.Sections.TryGetValue (string.Empty, out stream))
throw new MessageNotFoundException ("The IMAP server did not return the requested stream.");
ctx.Sections.Remove (string.Empty);
} finally {
ctx.Dispose ();
}
return stream;
}
/// <summary>
/// Fetches the message summaries for the specified message UIDs.
/// </summary>
/// <remarks>
/// <para>Fetches the message summaries for the specified message UIDs.</para>
/// <para>It should be noted that if another client has modified any message
/// in the folder, the IMAP server may choose to return information that was
/// not explicitly requested. It is therefore important to be prepared to
/// handle both additional fields on a <see cref="IMessageSummary"/> for
/// messages that were requested as well as summaries for messages that were
/// not requested at all.</para>
/// </remarks>
/// <returns>An enumeration of summaries for the requested messages.</returns>
/// <param name="uids">The UIDs.</param>
/// <param name="items">The message summary items to fetch.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <exception cref="System.ArgumentNullException">
/// <paramref name="uids"/> is <c>null</c>.
/// </exception>
/// <exception cref="System.ArgumentOutOfRangeException">
/// <paramref name="items"/> is empty.
/// </exception>
/// <exception cref="System.ArgumentException">
/// One or more of the <paramref name="uids"/> is invalid.
/// </exception>
/// <exception cref="System.ObjectDisposedException">
/// The <see cref="ImapClient"/> has been disposed.
/// </exception>
/// <exception cref="FolderNotOpenException">
/// The <see cref="ImapFolder"/> is not currently open.
/// </exception>
/// <exception cref="ServiceNotConnectedException">
/// The <see cref="ImapClient"/> is not connected.
/// </exception>
/// <exception cref="ServiceNotAuthenticatedException">
/// The <see cref="ImapClient"/> is not authenticated.
/// </exception>
/// <exception cref="System.OperationCanceledException">
/// The operation was canceled via the cancellation token.
/// </exception>
/// <exception cref="System.IO.IOException">
/// An I/O error occurred.
/// </exception>
/// <exception cref="ImapProtocolException">
/// The server's response contained unexpected tokens.
/// </exception>
/// <exception cref="ImapCommandException">
/// The server replied with a NO or BAD response.
/// </exception>
public override IList<IMessageSummary> Fetch (IList<UniqueId> uids, MessageSummaryItems items, CancellationToken cancellationToken = default (CancellationToken))
{
var set = ImapUtils.FormatUidSet (uids);
if (items == MessageSummaryItems.None)
throw new ArgumentOutOfRangeException ("items");
CheckState (true, false);
if (uids.Count == 0)
return new IMessageSummary[0];
var query = FormatSummaryItems (ref items, null);
var command = string.Format ("UID FETCH {0} {1}\r\n", set, query);
var ic = new ImapCommand (Engine, cancellationToken, this, command);
var ctx = new FetchSummaryContext (items);
ic.RegisterUntaggedHandler ("FETCH", FetchSummaryItems);
ic.UserData = ctx;
Engine.QueueCommand (ic);
Engine.Wait (ic);
ProcessResponseCodes (ic, null);
if (ic.Response != ImapCommandResponse.Ok)
throw ImapCommandException.Create ("FETCH", ic);
return AsReadOnly (ctx.Results.Values);
}
/// <summary>
/// Creates a new subfolder with the given name.
/// </summary>
/// <remarks>
/// Creates a new subfolder with the given name.
/// </remarks>
/// <returns>The created folder.</returns>
/// <param name="name">The name of the folder to create.</param>
/// <param name="specialUses">A list of special uses for the folder being created.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <exception cref="System.ArgumentNullException">
/// <paramref name="name"/> is <c>null</c>.
/// </exception>
/// <exception cref="System.ArgumentException">
/// <paramref name="name"/> is empty.
/// </exception>
/// <exception cref="System.ObjectDisposedException">
/// The <see cref="ImapClient"/> has been disposed.
/// </exception>
/// <exception cref="ServiceNotConnectedException">
/// The <see cref="ImapClient"/> is not connected.
/// </exception>
/// <exception cref="ServiceNotAuthenticatedException">
/// The <see cref="ImapClient"/> is not authenticated.
/// </exception>
/// <exception cref="System.InvalidOperationException">
/// The <see cref="MailFolder.DirectorySeparator"/> is nil, and thus child folders cannot be created.
/// </exception>
/// <exception cref="System.NotSupportedException">
/// The IMAP server does not support the CREATE-SPECIAL-USE extension.
/// </exception>
/// <exception cref="System.OperationCanceledException">
/// The operation was canceled via the cancellation token.
/// </exception>
/// <exception cref="System.IO.IOException">
/// An I/O error occurred.
/// </exception>
/// <exception cref="ImapProtocolException">
/// The server's response contained unexpected tokens.
/// </exception>
/// <exception cref="ImapCommandException">
/// The server replied with a NO or BAD response.
/// </exception>
public override IMailFolder Create (string name, IEnumerable<SpecialFolder> specialUses, CancellationToken cancellationToken = default (CancellationToken))
{
if (name == null)
throw new ArgumentNullException ("name");
if (!Engine.IsValidMailboxName (name, DirectorySeparator))
throw new ArgumentException ("The name is not a legal folder name.", "name");
CheckState (false, false);
if (!string.IsNullOrEmpty (FullName) && DirectorySeparator == '\0')
throw new InvalidOperationException ("Cannot create child folders.");
if ((Engine.Capabilities & ImapCapabilities.CreateSpecialUse) == 0)
throw new NotSupportedException ("The IMAP server does not support the CREATE-SPECIAL-USE extension.");
var uses = new StringBuilder ();
foreach (var use in specialUses) {
if (uses.Length > 0)
uses.Append (' ');
switch (use) {
case SpecialFolder.All: uses.Append ("\\All"); break;
case SpecialFolder.Archive: uses.Append ("\\Archive"); break;
case SpecialFolder.Drafts: uses.Append ("\\Drafts"); break;
case SpecialFolder.Flagged: uses.Append ("\\Flagged"); break;
case SpecialFolder.Junk: uses.Append ("\\Junk"); break;
case SpecialFolder.Sent: uses.Append ("\\Sent"); break;
case SpecialFolder.Trash: uses.Append ("\\Trash"); break;
default: if (uses.Length > 0) uses.Length--; break;
}
}
var fullName = !string.IsNullOrEmpty (FullName) ? FullName + DirectorySeparator + name : name;
var command = string.Format ("CREATE %s (USE ({0}))\r\n", uses);
var encodedName = Engine.EncodeMailboxName (fullName);
var list = new List<ImapFolder> ();
var createName = encodedName;
ImapFolder folder;
var ic = Engine.QueueCommand (cancellationToken, null, command, createName);
Engine.Wait (ic);
ProcessResponseCodes (ic, null);
if (ic.Response != ImapCommandResponse.Ok) {
var useAttr = ic.RespCodes.FirstOrDefault (rc => rc.Type == ImapResponseCodeType.UseAttr);
if (useAttr != null)
throw new ImapCommandException (ic.Response, useAttr.Message);
throw ImapCommandException.Create ("CREATE", ic);
}
ic = new ImapCommand (Engine, cancellationToken, null, "LIST \"\" %S\r\n", encodedName);
ic.RegisterUntaggedHandler ("LIST", ImapUtils.ParseFolderList);
ic.UserData = list;
Engine.QueueCommand (ic);
Engine.Wait (ic);
ProcessResponseCodes (ic, null);
if (ic.Response != ImapCommandResponse.Ok)
throw ImapCommandException.Create ("LIST", ic);
if ((folder = list.FirstOrDefault ()) != null)
folder.ParentFolder = this;
Engine.AssignSpecialFolders (new [] { folder });
return folder;
}
/// <summary>
/// Fetches the message summaries for the specified message UIDs that have a
/// higher mod-sequence value than the one specified.
/// </summary>
/// <remarks>
/// <para>Fetches the message summaries for the specified message UIDs that
/// have a higher mod-sequence value than the one specified.</para>
/// <para>If the IMAP server supports the QRESYNC extension and the application has
/// enabled this feature via <see cref="ImapClient.EnableQuickResync(CancellationToken)"/>,
/// then this method will emit <see cref="MailFolder.MessagesVanished"/> events for messages
/// that have vanished since the specified mod-sequence value.</para>
/// <para>It should be noted that if another client has modified any message
/// in the folder, the IMAP server may choose to return information that was
/// not explicitly requested. It is therefore important to be prepared to
/// handle both additional fields on a <see cref="IMessageSummary"/> for
/// messages that were requested as well as summaries for messages that were
/// not requested at all.</para>
/// </remarks>
/// <returns>An enumeration of summaries for the requested messages.</returns>
/// <param name="uids">The UIDs.</param>
/// <param name="modseq">The mod-sequence value.</param>
/// <param name="items">The message summary items to fetch.</param>
/// <param name="fields">The desired header fields.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <exception cref="System.ArgumentNullException">
/// <para><paramref name="uids"/> is <c>null</c>.</para>
/// <para>-or-</para>
/// <para><paramref name="fields"/> is <c>null</c>.</para>
/// </exception>
/// <exception cref="System.ArgumentException">
/// <para>One or more of the <paramref name="uids"/> is invalid.</para>
/// <para>-or-</para>
/// <para><paramref name="fields"/> is empty.</para>
/// </exception>
/// <exception cref="System.ObjectDisposedException">
/// The <see cref="ImapClient"/> has been disposed.
/// </exception>
/// <exception cref="ServiceNotConnectedException">
/// The <see cref="ImapClient"/> is not connected.
/// </exception>
/// <exception cref="ServiceNotAuthenticatedException">
/// The <see cref="ImapClient"/> is not authenticated.
/// </exception>
/// <exception cref="FolderNotOpenException">
/// The <see cref="ImapFolder"/> is not currently open.
/// </exception>
/// <exception cref="System.NotSupportedException">
/// The <see cref="ImapFolder"/> does not support mod-sequences.
/// </exception>
/// <exception cref="System.OperationCanceledException">
/// The operation was canceled via the cancellation token.
/// </exception>
/// <exception cref="System.IO.IOException">
/// An I/O error occurred.
/// </exception>
/// <exception cref="ImapProtocolException">
/// The server's response contained unexpected tokens.
/// </exception>
/// <exception cref="ImapCommandException">
/// The server replied with a NO or BAD response.
/// </exception>
public override IList<IMessageSummary> Fetch (IList<UniqueId> uids, ulong modseq, MessageSummaryItems items, HashSet<string> fields, CancellationToken cancellationToken = default (CancellationToken))
{
var set = ImapUtils.FormatUidSet (uids);
if (fields == null)
throw new ArgumentNullException ("fields");
if (fields.Count == 0)
throw new ArgumentException ("The set of header fields cannot be empty.", "fields");
if (!SupportsModSeq)
throw new NotSupportedException ("The ImapFolder does not support mod-sequences.");
CheckState (true, false);
if (uids.Count == 0)
return new IMessageSummary[0];
var query = FormatSummaryItems (ref items, fields);
var vanished = Engine.QResyncEnabled ? " VANISHED" : string.Empty;
var command = string.Format ("UID FETCH {0} {1} (CHANGEDSINCE {2}{3})\r\n", set, query, modseq, vanished);
var ic = new ImapCommand (Engine, cancellationToken, this, command);
var ctx = new FetchSummaryContext (items);
ic.RegisterUntaggedHandler ("FETCH", FetchSummaryItems);
ic.UserData = ctx;
Engine.QueueCommand (ic);
Engine.Wait (ic);
ProcessResponseCodes (ic, null);
if (ic.Response != ImapCommandResponse.Ok)
throw ImapCommandException.Create ("FETCH", ic);
return AsReadOnly (ctx.Results.Values);
}
/// <summary>
/// Searches the subset of UIDs in the folder for messages matching the specified query.
/// </summary>
/// <remarks>
/// The returned array of unique identifiers can be used with methods such as
/// <see cref="IMailFolder.GetMessage(UniqueId,CancellationToken,ITransferProgress)"/>.
/// </remarks>
/// <returns>An array of matching UIDs.</returns>
/// <param name="uids">The subset of UIDs</param>
/// <param name="query">The search query.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <exception cref="System.ArgumentNullException">
/// <para><paramref name="uids"/> is <c>null</c>.</para>
/// <para>-or-</para>
/// <para><paramref name="query"/> is <c>null</c>.</para>
/// </exception>
/// <exception cref="System.ArgumentException">
/// One or more of the <paramref name="uids"/> is invalid.
/// </exception>
/// <exception cref="System.NotSupportedException">
/// One or more search terms in the <paramref name="query"/> are not supported by the IMAP server.
/// </exception>
/// <exception cref="System.ObjectDisposedException">
/// The <see cref="ImapClient"/> has been disposed.
/// </exception>
/// <exception cref="ServiceNotConnectedException">
/// The <see cref="ImapClient"/> is not connected.
/// </exception>
/// <exception cref="ServiceNotAuthenticatedException">
/// The <see cref="ImapClient"/> is not authenticated.
/// </exception>
/// <exception cref="FolderNotOpenException">
/// The <see cref="ImapFolder"/> is not currently open.
/// </exception>
/// <exception cref="System.OperationCanceledException">
/// The operation was canceled via the cancellation token.
/// </exception>
/// <exception cref="System.IO.IOException">
/// An I/O error occurred.
/// </exception>
/// <exception cref="ImapProtocolException">
/// The server's response contained unexpected tokens.
/// </exception>
/// <exception cref="ImapCommandException">
/// The server replied with a NO or BAD response.
/// </exception>
public override IList<UniqueId> Search (IList<UniqueId> uids, SearchQuery query, CancellationToken cancellationToken = default (CancellationToken))
{
var set = ImapUtils.FormatUidSet (uids);
var args = new List<string> ();
string charset;
if (query == null)
throw new ArgumentNullException ("query");
CheckState (true, false);
if (uids.Count == 0)
return new UniqueId[0];
var optimized = query.Optimize (new ImapSearchQueryOptimizer ());
var expr = BuildQueryExpression (optimized, args, out charset);
var command = "UID SEARCH ";
if ((Engine.Capabilities & ImapCapabilities.ESearch) != 0)
command += "RETURN () ";
if (args.Count > 0 && !Engine.UTF8Enabled)
command += "CHARSET " + charset + " ";
command += "UID " + set + " " + expr + "\r\n";
var ic = new ImapCommand (Engine, cancellationToken, this, command, args.ToArray ());
if ((Engine.Capabilities & ImapCapabilities.ESearch) != 0)
ic.RegisterUntaggedHandler ("ESEARCH", ESearchMatches);
// Note: always register the untagged SEARCH handler because some servers will brokenly
// respond with "* SEARCH ..." instead of "* ESEARCH ..." even when using the extended
// search syntax.
ic.RegisterUntaggedHandler ("SEARCH", SearchMatches);
Engine.QueueCommand (ic);
Engine.Wait (ic);
ProcessResponseCodes (ic, null);
if (ic.Response != ImapCommandResponse.Ok)
throw ImapCommandException.Create ("SEARCH", ic);
var results = (SearchResults) ic.UserData;
if (results == null)
return new UniqueId[0];
return results.UniqueIds;
}
/// <summary>
/// Fetches the message summaries for the specified message indexes.
/// </summary>
/// <remarks>
/// <para>Fetches the message summaries for the specified message indexes.</para>
/// <para>It should be noted that if another client has modified any message
/// in the folder, the IMAP server may choose to return information that was
/// not explicitly requested. It is therefore important to be prepared to
/// handle both additional fields on a <see cref="IMessageSummary"/> for
/// messages that were requested as well as summaries for messages that were
/// not requested at all.</para>
/// </remarks>
/// <returns>An enumeration of summaries for the requested messages.</returns>
/// <param name="indexes">The indexes.</param>
/// <param name="items">The message summary items to fetch.</param>
/// <param name="fields">The desired header fields.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <exception cref="System.ArgumentNullException">
/// <para><paramref name="indexes"/> is <c>null</c>.</para>
/// <para>-or-</para>
/// <para><paramref name="fields"/> is <c>null</c>.</para>
/// </exception>
/// <exception cref="System.ArgumentException">
/// <para>One or more of the <paramref name="indexes"/> is invalid.</para>
/// <para>-or-</para>
/// <para><paramref name="fields"/> is empty.</para>
/// </exception>
/// <exception cref="System.ObjectDisposedException">
/// The <see cref="ImapClient"/> has been disposed.
/// </exception>
/// <exception cref="ServiceNotConnectedException">
/// The <see cref="ImapClient"/> is not connected.
/// </exception>
/// <exception cref="ServiceNotAuthenticatedException">
/// The <see cref="ImapClient"/> is not authenticated.
/// </exception>
/// <exception cref="FolderNotOpenException">
/// The <see cref="ImapFolder"/> is not currently open.
/// </exception>
/// <exception cref="System.OperationCanceledException">
/// The operation was canceled via the cancellation token.
/// </exception>
/// <exception cref="System.IO.IOException">
/// An I/O error occurred.
/// </exception>
/// <exception cref="ImapProtocolException">
/// The server's response contained unexpected tokens.
/// </exception>
/// <exception cref="ImapCommandException">
/// The server replied with a NO or BAD response.
/// </exception>
public override IList<IMessageSummary> Fetch (IList<int> indexes, MessageSummaryItems items, HashSet<string> fields, CancellationToken cancellationToken = default (CancellationToken))
{
var set = ImapUtils.FormatIndexSet (indexes);
if (fields == null)
throw new ArgumentNullException ("fields");
if (fields.Count == 0)
throw new ArgumentException ("The set of header fields cannot be empty.", "fields");
CheckState (true, false);
if (indexes.Count == 0)
return new IMessageSummary[0];
var query = FormatSummaryItems (ref items, fields);
var command = string.Format ("FETCH {0} {1}\r\n", set, query);
var ic = new ImapCommand (Engine, cancellationToken, this, command);
var ctx = new FetchSummaryContext (items);
ic.RegisterUntaggedHandler ("FETCH", FetchSummaryItems);
ic.UserData = ctx;
Engine.QueueCommand (ic);
Engine.Wait (ic);
ProcessResponseCodes (ic, null);
if (ic.Response != ImapCommandResponse.Ok)
throw ImapCommandException.Create ("FETCH", ic);
return AsReadOnly (ctx.Results.Values);
}
/// <summary>
/// Searches the subset of UIDs in the folder for messages matching the specified query,
/// returning them in the preferred sort order.
/// </summary>
/// <remarks>
/// Searches the folder for messages matching the specified query and ordering,
/// returning only the requested search results.
/// </remarks>
/// <returns>The search results.</returns>
/// <param name="options">The search options.</param>
/// <param name="uids">The subset of UIDs</param>
/// <param name="query">The search query.</param>
/// <param name="orderBy">The sort order.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <exception cref="System.ArgumentNullException">
/// <para><paramref name="uids"/> is <c>null</c>.</para>
/// <para>-or-</para>
/// <para><paramref name="query"/> is <c>null</c>.</para>
/// <para>-or-</para>
/// <para><paramref name="orderBy"/> is <c>null</c>.</para>
/// </exception>
/// <exception cref="System.ArgumentException">
/// <para>One or more of the <paramref name="uids"/> is invalid.</para>
/// <para>-or-</para>
/// <para><paramref name="orderBy"/> is empty.</para>
/// </exception>
/// <exception cref="System.NotSupportedException">
/// <para>One or more search terms in the <paramref name="query"/> are not supported by the IMAP server.</para>
/// <para>-or-</para>
/// <para>The IMAP server does not support the ESORT extension.</para>
/// </exception>
/// <exception cref="System.ObjectDisposedException">
/// The <see cref="ImapClient"/> has been disposed.
/// </exception>
/// <exception cref="ServiceNotConnectedException">
/// The <see cref="ImapClient"/> is not connected.
/// </exception>
/// <exception cref="ServiceNotAuthenticatedException">
/// The <see cref="ImapClient"/> is not authenticated.
/// </exception>
/// <exception cref="FolderNotOpenException">
/// The <see cref="ImapFolder"/> is not currently open.
/// </exception>
/// <exception cref="System.OperationCanceledException">
/// The operation was canceled via the cancellation token.
/// </exception>
/// <exception cref="System.IO.IOException">
/// An I/O error occurred.
/// </exception>
/// <exception cref="ImapProtocolException">
/// The server's response contained unexpected tokens.
/// </exception>
/// <exception cref="ImapCommandException">
/// The server replied with a NO or BAD response.
/// </exception>
public override SearchResults Search (SearchOptions options, IList<UniqueId> uids, SearchQuery query, IList<OrderBy> orderBy, CancellationToken cancellationToken = default (CancellationToken))
{
var set = ImapUtils.FormatUidSet (uids);
var args = new List<string> ();
string charset;
if (query == null)
throw new ArgumentNullException ("query");
if (orderBy == null)
throw new ArgumentNullException ("orderBy");
if (orderBy.Count == 0)
throw new ArgumentException ("No sort order provided.", "orderBy");
CheckState (true, false);
if ((Engine.Capabilities & ImapCapabilities.ESort) == 0)
throw new NotSupportedException ("The IMAP server does not support the ESORT extension.");
if ((Engine.Capabilities & ImapCapabilities.SortDisplay) == 0) {
for (int i = 0; i < orderBy.Count; i++) {
if (orderBy[i].Type == OrderByType.DisplayFrom || orderBy[i].Type == OrderByType.DisplayTo)
throw new NotSupportedException ("The IMAP server does not support the SORT=DISPLAY extension.");
}
}
if (uids.Count == 0)
return new SearchResults ();
var optimized = query.Optimize (new ImapSearchQueryOptimizer ());
var expr = BuildQueryExpression (optimized, args, out charset);
var order = BuildSortOrder (orderBy);
var command = "UID SORT RETURN (";
if ((options & SearchOptions.Count) != 0)
command += "COUNT ";
if ((options & SearchOptions.Min) != 0)
command += "MIN ";
if ((options & SearchOptions.Max) != 0)
command += "MAX ";
command = command.TrimEnd ();
command += ") ";
command += order + " " + charset + " UID " + set + " " + expr + "\r\n";
var ic = new ImapCommand (Engine, cancellationToken, this, command, args.ToArray ());
ic.RegisterUntaggedHandler ("ESEARCH", ESearchMatches);
ic.UserData = new SearchResults ();
Engine.QueueCommand (ic);
Engine.Wait (ic);
ProcessResponseCodes (ic, null);
if (ic.Response != ImapCommandResponse.Ok)
throw ImapCommandException.Create ("SORT", ic);
return (SearchResults) ic.UserData;
}
/// <summary>
/// Fetches the message summaries for the specified message indexes that have a
/// higher mod-sequence value than the one specified.
/// </summary>
/// <remarks>
/// <para>Fetches the message summaries for the specified message indexes that
/// have a higher mod-sequence value than the one specified.</para>
/// <para>It should be noted that if another client has modified any message
/// in the folder, the IMAP server may choose to return information that was
/// not explicitly requested. It is therefore important to be prepared to
/// handle both additional fields on a <see cref="IMessageSummary"/> for
/// messages that were requested as well as summaries for messages that were
/// not requested at all.</para>
/// </remarks>
/// <returns>An enumeration of summaries for the requested messages.</returns>
/// <param name="indexes">The indexes.</param>
/// <param name="modseq">The mod-sequence value.</param>
/// <param name="items">The message summary items to fetch.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <exception cref="System.ArgumentNullException">
/// <paramref name="indexes"/> is <c>null</c>.
/// </exception>
/// <exception cref="System.ArgumentOutOfRangeException">
/// <paramref name="items"/> is empty.
/// </exception>
/// <exception cref="System.ArgumentException">
/// One or more of the <paramref name="indexes"/> is invalid.
/// </exception>
/// <exception cref="System.ObjectDisposedException">
/// The <see cref="ImapClient"/> has been disposed.
/// </exception>
/// <exception cref="ServiceNotConnectedException">
/// The <see cref="ImapClient"/> is not connected.
/// </exception>
/// <exception cref="ServiceNotAuthenticatedException">
/// The <see cref="ImapClient"/> is not authenticated.
/// </exception>
/// <exception cref="FolderNotOpenException">
/// The <see cref="ImapFolder"/> is not currently open.
/// </exception>
/// <exception cref="System.NotSupportedException">
/// The <see cref="ImapFolder"/> does not support mod-sequences.
/// </exception>
/// <exception cref="System.OperationCanceledException">
/// The operation was canceled via the cancellation token.
/// </exception>
/// <exception cref="System.IO.IOException">
/// An I/O error occurred.
/// </exception>
/// <exception cref="ImapProtocolException">
/// The server's response contained unexpected tokens.
/// </exception>
/// <exception cref="ImapCommandException">
/// The server replied with a NO or BAD response.
/// </exception>
public override IList<IMessageSummary> Fetch (IList<int> indexes, ulong modseq, MessageSummaryItems items, CancellationToken cancellationToken = default (CancellationToken))
{
var set = ImapUtils.FormatIndexSet (indexes);
if (items == MessageSummaryItems.None)
throw new ArgumentOutOfRangeException ("items");
if (!SupportsModSeq)
throw new NotSupportedException ("The ImapFolder does not support mod-sequences.");
CheckState (true, false);
if (indexes.Count == 0)
return new IMessageSummary[0];
var query = FormatSummaryItems (ref items, null);
var command = string.Format ("FETCH {0} {1} (CHANGEDSINCE {2})\r\n", set, query, modseq);
var ic = new ImapCommand (Engine, cancellationToken, this, command);
var ctx = new FetchSummaryContext (items);
ic.RegisterUntaggedHandler ("FETCH", FetchSummaryItems);
ic.UserData = ctx;
Engine.QueueCommand (ic);
Engine.Wait (ic);
ProcessResponseCodes (ic, null);
if (ic.Response != ImapCommandResponse.Ok)
throw ImapCommandException.Create ("FETCH", ic);
return AsReadOnly (ctx.Results.Values);
}
/// <summary>
/// Gets the subfolders.
/// </summary>
/// <remarks>
/// Gets the subfolders.
/// </remarks>
/// <returns>The subfolders.</returns>
/// <param name="items">The status items to pre-populate.</param>
/// <param name="subscribedOnly">If set to <c>true</c>, only subscribed folders will be listed.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <exception cref="System.ObjectDisposedException">
/// The <see cref="ImapClient"/> has been disposed.
/// </exception>
/// <exception cref="ServiceNotConnectedException">
/// The <see cref="ImapClient"/> is not connected.
/// </exception>
/// <exception cref="ServiceNotAuthenticatedException">
/// The <see cref="ImapClient"/> is not authenticated.
/// </exception>
/// <exception cref="System.OperationCanceledException">
/// The operation was canceled via the cancellation token.
/// </exception>
/// <exception cref="System.IO.IOException">
/// An I/O error occurred.
/// </exception>
/// <exception cref="ImapProtocolException">
/// The server's response contained unexpected tokens.
/// </exception>
/// <exception cref="ImapCommandException">
/// The server replied with a NO or BAD response.
/// </exception>
public override IEnumerable<IMailFolder> GetSubfolders (StatusItems items, bool subscribedOnly = false, CancellationToken cancellationToken = default (CancellationToken))
{
CheckState (false, false);
var pattern = EncodedName.Length > 0 ? EncodedName + DirectorySeparator : string.Empty;
var children = new List<IMailFolder> ();
var status = items != StatusItems.None;
var list = new List<ImapFolder> ();
var command = new StringBuilder ();
var lsub = subscribedOnly;
if (subscribedOnly) {
if ((Engine.Capabilities & ImapCapabilities.ListExtended) != 0) {
command.Append ("LIST (SUBSCRIBED)");
lsub = false;
} else {
command.Append ("LSUB");
}
} else {
command.Append ("LIST");
}
command.Append (" \"\" %S");
if (!lsub) {
if (items != StatusItems.None && (Engine.Capabilities & ImapCapabilities.ListStatus) != 0) {
command.Append (" RETURN (");
if ((Engine.Capabilities & ImapCapabilities.ListExtended) != 0) {
if (!subscribedOnly)
command.Append ("SUBSCRIBED ");
command.Append ("CHILDREN ");
}
command.AppendFormat ("STATUS ({0})", Engine.GetStatusQuery (items));
command.Append (')');
status = false;
} else if ((Engine.Capabilities & ImapCapabilities.ListExtended) != 0) {
command.Append (" RETURN (");
if (!subscribedOnly)
command.Append ("SUBSCRIBED ");
command.Append ("CHILDREN");
command.Append (')');
}
}
command.Append ("\r\n");
var ic = new ImapCommand (Engine, cancellationToken, null, command.ToString (), pattern + "%");
ic.RegisterUntaggedHandler (lsub ? "LSUB" : "LIST", ImapUtils.ParseFolderList);
ic.UserData = list;
Engine.QueueCommand (ic);
Engine.Wait (ic);
// Note: Some broken IMAP servers (*cough* SmarterMail 13.0 *cough*) return folders
// that are not children of the folder we requested, so we need to filter those
// folders out of the list that we'll be returning to our caller.
//
// See https://github.com/jstedfast/MailKit/issues/149 for more details.
var prefix = FullName.Length > 0 ? FullName + DirectorySeparator : string.Empty;
prefix = ImapUtils.CanonicalizeMailboxName (prefix, DirectorySeparator);
foreach (var folder in list) {
var canonicalFullName = ImapUtils.CanonicalizeMailboxName (folder.FullName, folder.DirectorySeparator);
var canonicalName = ImapUtils.IsInbox (folder.FullName) ? "INBOX" : folder.Name;
if (canonicalFullName != prefix + canonicalName)
continue;
if (lsub) {
// the LSUB command does not send \Subscribed flags so we need to add them ourselves
folder.Attributes |= FolderAttributes.Subscribed;
}
folder.ParentFolder = this;
children.Add (folder);
}
ProcessResponseCodes (ic, null);
if (ic.Response != ImapCommandResponse.Ok)
throw ImapCommandException.Create (lsub ? "LSUB" : "LIST", ic);
if (status) {
for (int i = 0; i < children.Count; i++)
children[i].Status (items, cancellationToken);
}
return children;
}
/// <summary>
/// Gets the folder for the specified path.
/// </summary>
/// <returns>The folder.</returns>
/// <param name="path">The folder path.</param>
/// <param name="cancellationToken">The cancellation token.</param>
public ImapFolder GetFolder(string path, CancellationToken cancellationToken)
{
var encodedName = ImapEncoding.Encode (path);
var list = new List<ImapFolder> ();
ImapFolder folder;
if (FolderCache.TryGetValue (encodedName, out folder))
return folder;
var ic = new ImapCommand (this, cancellationToken, null, "LIST \"\" %S\r\n", encodedName);
ic.RegisterUntaggedHandler ("LIST", ImapUtils.ParseFolderList);
ic.UserData = list;
QueueCommand (ic);
Wait (ic);
LookupParentFolders (list, cancellationToken);
ProcessResponseCodes (ic);
if (ic.Result != ImapCommandResult.Ok)
throw new ImapCommandException ("LIST", ic.Result);
return list.Count > 0 ? list[0] : null;
}