/// <summary>
/// Reloads the message from the persistence storage medium.
/// </summary>
/// <returns>true if this instance was reloaded successfully; otherwise, false.</returns>
public bool Reload()
{
CmoMessage current = CmoProviders.DataProvider.GetCmoMessage(_candidateID, _id);
if (current != null)
{
_attachments.Clear();
foreach (byte id in current.Attachments.Keys)
{
_attachments[id] = current.Attachments[id];
}
this.ArchiveDate = current.ArchiveDate;
this.Archiver = current.Archiver;
this.AuditReviewNumber = current.AuditReviewNumber;
this.Body = current.Body;
this.Category = current.Category;
this.Creator = current.Creator;
this.ElectionCycle = current.ElectionCycle;
this.FollowUpDate = current.FollowUpDate;
this.FollowUpFlagger = current.FollowUpFlagger;
this.NeedsFollowUp = current.NeedsFollowUp;
this.OpenDate = current.OpenDate;
this.Opener = current.Opener;
this.OpenReceiptEmail = current.OpenReceiptEmail;
this.PostDate = current.PostDate;
this.PostElectionAuditRequestType = current.PostElectionAuditRequestType;
this.Title = current.Title;
this.TollingEventNumber = current.TollingEventNumber;
this.TollingLetter = current.TollingLetter;
this.Version = current.Version;
return(true);
}
return(false);
}
/// <summary>
/// Retrieves the full system file path to a CMO message's file attachments folder.
/// </summary>
/// <param name="message">The message to find.</param>
/// <returns>The full system file path to the message's attachments folder.</returns>
/// <exception cref="ArgumentNullException"><paramref name="message"/> is null.</exception>
internal string GetMessageFolderName(CmoMessage message)
{
if (message == null)
{
throw new ArgumentNullException("message", "The message cannot be null.");
}
return(GetMessageFolderName(message.CandidateID, message.ID));
}
/// <summary>
/// Creates a new instance of the <see cref="CmoAttachmentStream"/> class.
/// </summary>
/// <param name="message">The source <see cref="CmoMessage"/> that the current <see cref="CmoAttachmentStream"/> is for.</param>
/// <param name="data">The sequence of bytes that the current <see cref="CmoAttachmentStream"/> will encapsulate.</param>
/// <exception cref="ArgumentNullException"><paramref name="message"/> is null.</exception>
/// <exception cref="ArgumentNullException"><paramref name="data"/> is null.</exception>
public CmoAttachmentStream(CmoMessage message, byte[] data)
: base(data, 0, data.Length, false, true)
{
if (message == null)
{
throw new ArgumentNullException("message", "Source message cannot be null.");
}
//if (data == null)
// throw new ArgumentNullException("data", "Source data cannot be null.");
_candidateID = message.CandidateID;
_messageID = message.ID;
}
/// <summary>
/// Locks down the attachments folder for a message to prevent any further modifications as a records-retention/integrity measure.
/// </summary>
/// <param name="message">The message to lock down.</param>
internal void LockDown(CmoMessage message)
{
string path = GetMessageFolderName(message);
if (Directory.Exists(path))
{
DirectorySecurity ds = Directory.GetAccessControl(path);
FileSystemRights rights = FileSystemRights.Write | FileSystemRights.ChangePermissions | FileSystemRights.Delete | FileSystemRights.TakeOwnership | FileSystemRights.DeleteSubdirectoriesAndFiles | FileSystemRights.CreateDirectories | FileSystemRights.CreateFiles;
ds = Directory.GetAccessControl(path);
// needs two rules - first is for "This folder"
ds.AddAccessRule(new FileSystemAccessRule("Everyone", rights, InheritanceFlags.ObjectInherit, PropagationFlags.None, AccessControlType.Deny));
// second rule is for "Subfolders and files"
ds.AddAccessRule(new FileSystemAccessRule("Everyone", rights, InheritanceFlags.ContainerInherit, PropagationFlags.InheritOnly, AccessControlType.Deny));
Directory.SetAccessControl(path, ds);
}
}
/// <summary>
/// Retrieves a message from the mailbox by unique message ID.
/// </summary>
/// <param name="uniqueID">The unique ID of the message to retrieve.</param>
/// <returns>A <see cref="CmoMessage"/> representing the requested message if found; otherwise, null.</returns>
/// <remarks>Retrieving the message will also mark it as "opened".</remarks>
public CmoMessage OpenMessage(string uniqueID)
{
CmoMessage message = CmoMessage.GetMessage(uniqueID);
if (message != null)
{
// BUGFIX #52: Fixed loophole where other campaign users can mark other campaigns' unread messages as "open", by adding a check to see if the candidate ID context matches before opening a message in a mailbox.
if (!string.IsNullOrEmpty(this.Username) && message.IsPosted && _electionCycles.Contains(message.ElectionCycle) && string.Equals(message.CandidateID, _candidateID, StringComparison.InvariantCultureIgnoreCase))
{
if (message.Open(this.Username))
{
return(message);
}
}
}
return(null);
}
/// <summary>
/// Clears a message's follow-up flag.
/// </summary>
/// <param name="messageID">The ID of the message to unflag for follow-up.</param>
/// <returns>true if the message's follow-up flag was cleared successfully; otherwise, false.</returns>
public bool ClearFlag(int messageID)
{
CmoMessage m = CmoMessage.GetMessage(_candidateID, messageID);
return(m != null?m.ClearFlag(this.Username) : false);
}
/// <summary>
/// Unarchives a message.
/// </summary>
/// <param name="messageID">The ID of the message to unarchive.</param>
/// <returns>true if the message was unarchived successfully; otherwise, false.</returns>
public bool Unarchive(int messageID)
{
CmoMessage m = CmoMessage.GetMessage(_candidateID, messageID);
return(m != null?m.Unarchive(this.Username) : false);
}
