/// <summary>
/// Sends the e-mail. If <paramref name="suppressException"/> is <c>true</c>, record any exception that occurs but do not
/// let it propagate out of this function. When <c>false</c>, record the exception and re-throw it. The caller is
/// responsible for disposing the <paramref name="mail"/> object.
/// </summary>
/// <param name="mail">The mail message to send.</param>
/// <param name="suppressException">If <c>true</c>, record any exception that occurs but do not
/// let it propagate out of this function. When <c>false</c>, record the exception and re-throw it.</param>
private void SendEmail(MailMessage mail, bool suppressException)
{
try
{
if (mail == null)
{
throw new ArgumentNullException("mail");
}
using (SmtpClient smtpClient = new SmtpClient())
{
var appSettings = AppSetting.Instance;
smtpClient.EnableSsl = appSettings.SendEmailUsingSsl;
string smtpServer = appSettings.SmtpServer;
int smtpServerPort;
if (!Int32.TryParse(appSettings.SmtpServerPort, out smtpServerPort))
{
smtpServerPort = Int32.MinValue;
}
// Specify SMTP server if it is specified in the gallery settings. The server might have been assigned via web.config,
// so only update this if we have a setting.
if (!String.IsNullOrEmpty(smtpServer))
{
smtpClient.Host = smtpServer;
}
// Specify port number if it is specified in the gallery settings and it's not the default value of 25. The port
// might have been assigned via web.config, so only update this if we have a setting.
if ((smtpServerPort > 0) && (smtpServerPort != 25))
{
smtpClient.Port = smtpServerPort;
}
if (String.IsNullOrEmpty(smtpClient.Host))
{
throw new WebException(@"Cannot send e-mail because a SMTP Server is not specified. This can be configured in any of the following places: (1) Site Admin - General page (preferred), or (2) web.config (Ex: configuration/system.net/mailSettings/smtp/network host='your SMTP server').");
}
smtpClient.Send(mail);
}
}
catch (Exception ex)
{
AppEventController.LogError(ex);
if (!suppressException)
{
throw;
}
}
}
/// <summary>
/// Initialize the Gallery Server application. This method is designed to be run at application startup. The business layer
/// is initialized with the current trust level and a few configuration settings. The business layer also initializes
/// the data store, including verifying a minimal level of data integrity, such as at least one record for the root album.
/// Initialization that requires an HttpContext is also performed. When this method completes, <see cref="IAppSetting.IsInitialized" />
/// will be <c>true</c>, but <see cref="AppController.IsInitialized" /> will be <c>true</c> only when an HttpContext instance
/// exists. If this function is initially called from a place where an HttpContext doesn't exist, it will automatically be called
/// again later, eventually being called from a place where an HttpContext does exist, thus completing app initialization.
/// </summary>
public async Task InitializeGspApplication()
{
//try
//{
await _lock.WaitAsync().ConfigureAwait(false);
try
{
if (IsInitialized)
{
return;
}
InitializeApplication();
await _gallerySettingController.AddMembershipDataToGallerySettings();
_isInitialized = true;
AppEventController.LogEvent("Application has started.");
}
finally
{
_lock.Release();
}
//}
//catch (ThreadAbortException)
//{
//}
//catch (CannotWriteToDirectoryException ex)
//{
// // Let the error handler log it and try to redirect to a dedicated page for this error. The transfer will fail when the error occurs
// // during the app's init event, so when this happens don't re-throw (like we do in the generic catch below). This will allow the
// // initialize routine to run again from the GalleryPage constructor, and when the error happens again, this time the handler will be able to redirect.
// AppEventController.HandleGalleryException(ex);
// //throw; // Don't re-throw
//}
//catch (Exception ex)
//{
// // Let the error handler deal with it. It will decide whether to transfer the user to a friendly error page.
// // If the function returns, that means it didn't redirect, so we should re-throw the exception.
// AppEventController.HandleGalleryException(ex);
// throw;
//}
}
/// <summary>
/// Render the treeview with the first two levels of albums that are viewable to the logged on user.
/// </summary>
/// <param name="tvOptions">The treeview options.</param>
/// <returns>Task<TreeView>.</returns>
private async Task <TreeView> Generate(TreeViewOptions tvOptions)
{
Options = tvOptions;
Tree.EnableCheckBoxPlugin = Options.EnableCheckboxPlugin;
foreach (IAlbum rootAlbum in await GetTopAlbums())
{
if (!Options.UserController.IsUserAuthorized(SecurityActions.ViewAlbumOrMediaObject, await Options.UserController.GetGalleryServerRolesForUser(), rootAlbum.Id, rootAlbum.GalleryId, rootAlbum.IsPrivate, rootAlbum.IsVirtualAlbum))
{
continue;
}
// Add root node.
TreeNode rootNode = new TreeNode();
string albumTitle = GetTopAlbumTitle(rootAlbum);
rootNode.Text = albumTitle;
rootNode.ToolTip = albumTitle;
rootNode.Id = String.Concat("tv_", rootAlbum.Id.ToString(CultureInfo.InvariantCulture));
rootNode.DataId = rootAlbum.Id.ToString(CultureInfo.InvariantCulture);
rootNode.Expanded = (Options.NumberOfLevels > 1);
if (rootAlbum.Parent is NullGalleryObject)
{
rootNode.AddCssClass("jstree-root-node");
}
if (!String.IsNullOrEmpty(Options.NavigateUrl))
{
//var url = rootAlbum.IsVirtualAlbum ? Options.NavigateUrl : Utils.AddQueryStringParameter(Options.NavigateUrl, String.Concat("aid=", rootAlbum.Id.ToString(CultureInfo.InvariantCulture)));
var url = rootAlbum.IsVirtualAlbum ? Options.NavigateUrl : string.Concat(Options.NavigateUrl, "?aid=", rootAlbum.Id.ToString(CultureInfo.InvariantCulture));
rootNode.NavigateUrl = url;
}
// If it has a nav URL, it's always selectable & won't have a checkbox. If not, then it's selectable if the user has permission
if (string.IsNullOrEmpty(rootNode.NavigateUrl))
{
rootNode.Selectable = !rootAlbum.IsVirtualAlbum && Options.UserController.IsUserAuthorized(Options.RequiredSecurityPermissions, await GetRoles(), rootAlbum.Id, rootAlbum.GalleryId, rootAlbum.IsPrivate, SecurityActionsOption.RequireOne, rootAlbum.IsVirtualAlbum);
if (Options.EnableCheckboxPlugin)
{
rootNode.ShowCheckBox = rootNode.Selectable;
}
}
else
{
rootNode.Selectable = true;
}
// Select and check this node if needed.
if (Options.SelectedAlbumIds.Contains(rootAlbum.Id))
{
rootNode.Selected = true;
}
Tree.Nodes.Add(rootNode);
// Add the first level of albums below the root album.
var childAlbums = rootAlbum.GetChildGalleryObjects(GalleryObjectType.Album, !Options.UserController.IsAuthenticated);
if (Options.NumberOfLevels == 1)
{
rootNode.HasChildren = childAlbums.Any();
}
else
{
BindAlbumToTreeview(childAlbums.ToSortedList(), rootNode, false);
}
// Only display the root node if it is selectable or we added any children to it; otherwise, remove it.
//if (!rootNode.Selectable && rootNode.Nodes.Count == 0)
//{
// Tree.Nodes.Remove(rootNode);
//}
}
// Make sure all specified albums are visible and checked.
try
{
foreach (var albumId in Options.SelectedAlbumIds.Where(id => id > int.MinValue))
{
var album = Factory.LoadAlbumInstance(new AlbumLoadOptions(albumId));
if (Options.UserController.IsUserAuthorized(Options.RequiredSecurityPermissions, await GetRoles(), album.Id, album.GalleryId, album.IsPrivate, SecurityActionsOption.RequireOne, album.IsVirtualAlbum))
{
BindSpecificAlbumToTreeview(album);
}
}
}
catch (InvalidAlbumException ex)
{
// One of the albums we want to select doesn't exist. Log the event but otherwise continue on gracefully.
if (!ex.Data.Contains("Tree_SelectedAlbum_Info"))
{
ex.Data.Add("Tree_SelectedAlbum_Info", $"Album {ex.AlbumId} was one of the SelectedAlbumIds of the TreeViewOptions object. It may have been deleted by another user just before this code ran.");
}
AppEventController.LogError(ex);
}
return(Tree);
}
