public IActionResult EditTemplatePost(string id, MailTemplateModel model, string action)
{
memoryCache?.Remove("Template_" + id);
if (action == "delete")
{
return(EditTemplateDelete(id));
}
else if (action == "send")
{
model.All = Request.Form.ContainsKey("All");
return(EditTemplateSend(id, model.All));
}
try
{
model.Value.Name = model.Value.Name?.Trim();
if (model.Value.Name.Length > 64)
{
throw new ArgumentException(Resources.NameIsTooLong.FormatHtml(64));
}
if (!model.Value.GetListNameAndTemplateName(out string listName, out string templateName) ||
!MailTemplate.ValidateName(listName) ||
!MailTemplate.ValidateName(templateName))
{
throw new ArgumentException(Resources.TemplateNameInvalidChars.FormatHtml(MailTemplate.FullNameSeparator));
}
using (MailDemonDatabase db = dbProvider.GetDatabase())
{
if (db.Lists.FirstOrDefault(l => l.Name == listName) == null)
{
throw new ArgumentException(string.Format(Resources.ListNotFound, listName));
}
model.Value.LastModified = DateTime.UtcNow;
model.Value.Dirty = true;
if (model.Value.Id == 0)
{
db.Templates.Add(model.Value);
}
else
{
db.Update(model.Value);
}
db.SaveChanges();
}
TempData["Message"] = Resources.Success;
return(RedirectToAction(nameof(EditTemplate), new { id = model.Value.Name }));
}
catch (Exception ex)
{
MailDemonLog.Error(ex);
model.Error = true;
model.Message = ex.Message;
return(View(model));
}
}
protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
do
{
DateTime dt = DateTime.UtcNow;
using (MailDemonDatabase db = serviceProvider.GetService <MailDemonDatabase>())
{
db.Subscriptions.RemoveRange(db.Subscriptions.Where(r => r.Expires <= dt && r.UnsubscribeToken == null));
db.SaveChanges();
}
}while (!(await stoppingToken.WaitHandle.WaitOneAsync(loopTimeSpan, stoppingToken)));
}
public IActionResult EditListPost(string id, MailListModel model, string action)
{
if (action == "delete")
{
return(EditListDelete(id));
}
try
{
model.Value.Name = model.Value.Name?.Trim();
if (model.Value.Name.Length > 16)
{
throw new ArgumentException(Resources.NameIsTooLong.FormatHtml(16));
}
else if (!model.Value.FromEmailAddress.TryParseEmailAddress(out _))
{
throw new ArgumentException(Resources.EmailIsInvalid);
}
model.Value.Company = model.Value.Company?.Trim();
model.Value.Website = model.Value.Website?.Trim();
if (!MailTemplate.ValidateName(model.Value.Name))
{
throw new ArgumentException(Resources.NameInvalidChars);
}
using (MailDemonDatabase db = dbProvider.GetDatabase())
{
MailList existingList = db.Lists.FirstOrDefault(l => l.Name == model.Value.Name);
if (existingList != null && (existingList.Name != model.Value.Name || model.Value.Id == 0))
{
throw new ArgumentException(Resources.NameCannotChange);
}
if (model.Value.Id == 0)
{
db.Lists.Add(model.Value);
}
else
{
db.Update(model.Value);
}
db.SaveChanges();
}
TempData["Message"] = Resources.Success;
return(RedirectToAction(nameof(EditList), new { id = model.Value.Name }));
}
catch (Exception ex)
{
MailDemonLog.Error(ex);
model.Error = true;
model.Message = ex.Message;
return(View(model));
}
}
/// <summary>
/// Unsubscribe from a mailing list
/// </summary>
/// <param name="db">DB</param>
/// <param name="listName">List name</param>
/// <param name="token">Unsubscribe token</param>
/// <returns>True if unsubscribed, false if not</returns>
public static bool UnsubscribeFromMailingList(this MailDemonDatabase db, string listName, string token)
{
MailListSubscription foundReg = db.Subscriptions.FirstOrDefault(r => r.UnsubscribeToken == token && r.ListName == listName && r.UnsubscribedDate == default);
if (foundReg != null)
{
foundReg.UnsubscribedDate = DateTime.UtcNow;
foundReg.SubscribeToken = null;
db.SaveChanges();
return(true);
}
;
return(false);
}
public IActionResult Subscribers(string id, string action, long?subId)
{
if (action == "delete" && subId != null)
{
using MailDemonDatabase db = dbProvider.GetDatabase();
MailListSubscription sub = db.Subscriptions.FirstOrDefault(s => s.Id == subId);
if (sub != null)
{
db.Subscriptions.Remove(sub);
db.SaveChanges();
}
}
return(RedirectToAction(nameof(Subscribers), new { id }));
}
/// <summary>
/// Confirm subscribe to a mailing list
/// </summary>
/// <param name="db">DB</param>
/// <param name="listName">List name</param>
/// <param name="token">Subscribe token</param>
/// <returns>Registration or null if not found</returns>
public static MailListSubscription ConfirmSubscribeToMailingList(this MailDemonDatabase db, string listName, string token)
{
MailListSubscription reg = null;
MailListSubscription foundReg = db.Subscriptions.FirstOrDefault(r => r.SubscribeToken == token);
if (foundReg != null && foundReg.ListName == listName && foundReg.SubscribedDate == default && foundReg.SubscribeToken == token)
{
reg = foundReg;
foundReg.Expires = DateTime.MaxValue;
foundReg.SubscribedDate = DateTime.UtcNow;
foundReg.UnsubscribedDate = default;
foundReg.UnsubscribeToken = Guid.NewGuid().ToString("N");
foundReg.MailList = db.Lists.FirstOrDefault(l => l.Name == listName);
foundReg.Result = "New";
db.SaveChanges();
}
return(reg);
}
private IActionResult EditTemplateDelete(string id)
{
try
{
using MailDemonDatabase db = dbProvider.GetDatabase();
MailTemplate template = db.Templates.FirstOrDefault(t => t.Name == id);
if (template != null)
{
db.Templates.Remove(template);
db.SaveChanges();
}
}
catch (Exception ex)
{
MailDemonLog.Error(ex);
}
return(RedirectToAction(nameof(EditTemplate)));
}
private void InitializeDB(IApplicationBuilder app)
{
using var db = new MailDemonDatabase(Configuration);
db.Initialize();
// migrate away from litedb
string migrationPath = Path.Combine(Directory.GetCurrentDirectory(), "MailDemon.db");
if (File.Exists(migrationPath))
{
MailDemonLog.Warn("Migrating from old database {0}", migrationPath);
var tran = db.Database.BeginTransaction();
try
{
using (FileStream fs = File.OpenRead(migrationPath))
using (LiteDB.LiteDatabase oldDb = new LiteDB.LiteDatabase(fs))
{
foreach (MailList list in oldDb.GetCollection <MailList>().FindAll())
{
db.Lists.Add(list);
}
foreach (MailTemplate template in oldDb.GetCollection <MailTemplate>().FindAll())
{
db.Templates.Add(template);
}
foreach (MailListSubscription sub in oldDb.GetCollection <MailListSubscription>().FindAll())
{
db.Subscriptions.Add(sub);
}
db.SaveChanges();
tran.Commit();
tran = null;
MailDemonLog.Warn("Migration success");
}
File.Delete(migrationPath);
}
finally
{
tran?.Rollback();
}
}
}
private IActionResult EditListDelete(string id)
{
try
{
using MailDemonDatabase db = dbProvider.GetDatabase();
MailList list = db.Lists.FirstOrDefault(l => l.Name == id);
if (list != null)
{
db.Subscriptions.RemoveRange(db.Subscriptions.Where(r => r.ListName == id));
db.Templates.RemoveRange(db.Templates.Where(t => t.Name.StartsWith(list.Name + MailTemplate.FullNameSeparator)));
db.Lists.Remove(list);
db.SaveChanges();
}
}
catch (Exception ex)
{
MailDemonLog.Error(ex);
}
return(RedirectToAction(nameof(EditList)));
}
/// <summary>
/// Pre subscribe to a mailing list
/// </summary>
/// <param name="db">DB</param>
/// <param name="reg">Registration, receives new registration if success</param>
/// <returns>True if success, false if already subscribed</returns>
public static bool PreSubscribeToMailingList(this MailDemonDatabase db, ref MailListSubscription reg)
{
bool result = false;
string token = string.Empty;
MailListSubscription final = reg;
MailListSubscription dbReg = db.Subscriptions.FirstOrDefault(r => r.EmailAddress == final.EmailAddress && r.ListName == final.ListName);
if (dbReg != null)
{
dbReg.Fields.Clear();
foreach (var kv in final.Fields)
{
dbReg.SetField(kv.Key, kv.Value);
}
dbReg.Error = final.Error;
dbReg.Message = final.Message;
dbReg.IPAddress = final.IPAddress;
dbReg.MailList = final.MailList;
dbReg.TemplateName = final.TemplateName;
final = dbReg;
}
reg = final;
if (reg.SubscribeToken == null)
{
reg.SubscribeToken = Guid.NewGuid().ToString("N");
reg.Expires = DateTime.UtcNow.AddHours(1.0);
if (reg.Id == 0)
{
db.Subscriptions.Add(reg);
}
else
{
db.Update(reg);
}
result = true;
}
db.SaveChanges();
return(result);
}
