public IActionResult SubscribeInitial(string id)
{
string result = TempData["result"] as string;
id = (id ?? string.Empty).Trim();
if (id.Length == 0)
{
return(NotFound());
}
MailListSubscription model = (string.IsNullOrWhiteSpace(result) ? new MailListSubscription() : JsonConvert.DeserializeObject <MailListSubscription>(result));
using (MailDemonDatabase db = dbProvider.GetDatabase())
{
model.MailList = db.Lists.FirstOrDefault(l => l.Name == id);
}
if (model.MailList == null)
{
return(NotFound());
}
model.ListName = id;
model.TemplateName = MailTemplate.GetFullTemplateName(id, MailTemplate.NameSubscribeInitial);
return(View(model));
}
public async Task <IActionResult> SubscribeWelcome(string id, string token)
{
id = (id ?? string.Empty).Trim();
if (id.Length == 0)
{
return(NotFound());
}
// stupid bing/outlook email preview
string userAgent = Request.Headers["User-Agent"].ToString();
if (string.IsNullOrWhiteSpace(userAgent) || userAgent.Contains("preview", StringComparison.OrdinalIgnoreCase))
{
return(Content(string.Empty));
}
token = (token ?? string.Empty).Trim();
MailListSubscription reg;
using (MailDemonDatabase db = dbProvider.GetDatabase())
{
reg = db.ConfirmSubscribeToMailingList(id, token);
}
if (reg == null)
{
return(View("SubscribeExpired"));
}
// temp property does not go in db
reg.UnsubscribeUrl = $"{HttpContext.Request.Scheme}://{HttpContext.Request.Host}/{nameof(Unsubscribe)}/{id}?token={reg.UnsubscribeToken}";
string templateFullName = MailTemplate.GetFullTemplateName(id, MailTemplate.NameSubscribeWelcome);
await SendMailAsync(reg, templateFullName);
return(View(reg));
}
public async Task <IActionResult> SubscribeInitialPost(string id, Dictionary <string, string> formFields)
{
id = (id ?? string.Empty).Trim();
if (id.Length == 0)
{
return(NotFound());
}
string error = null;
if (RequireCaptcha)
{
formFields.TryGetValue("captcha", out string captchaValue);
error = await MailDemonWebApp.Instance.Recaptcha.Verify(Request.GetDisplayUrl(), captchaValue, nameof(SubscribeInitial), HttpContext.GetRemoteIPAddress().ToString(), formFields);
}
MailListSubscription model = new MailListSubscription {
Message = error, Error = !string.IsNullOrWhiteSpace(error)
};
MailList list;
using (MailDemonDatabase db = dbProvider.GetDatabase())
{
list = db.Lists.FirstOrDefault(l => l.Name == id);
}
if (list == null)
{
return(NotFound());
}
model.MailList = list;
model.ListName = model.MailList.Name;
if (formFields.ContainsKey("TemplateName"))
{
model.TemplateName = formFields["TemplateName"];
}
string email = null;
foreach (KeyValuePair <string, string> field in formFields)
{
if (field.Key.StartsWith("ff_"))
{
string value = field.Value?.Trim();
string name = field.Key.Split('_')[1];
if (string.IsNullOrWhiteSpace(value))
{
if (field.Key.EndsWith("_optional", StringComparison.OrdinalIgnoreCase))
{
model.Fields[name] = string.Empty;
}
else
{
model.Message += "<br/>" + field.Key.Split('_')[1] + " is required";
model.Error = true;
}
}
else if (name.Contains("email", StringComparison.OrdinalIgnoreCase))
{
if (value.TryParseEmailAddress(out _))
{
email = (email ?? value);
model.EmailAddress = email;
}
else
{
model.Error = true;
}
}
else
{
model.Fields[name] = value;
}
}
}
model.EmailAddressDomain = model.GetDomainFromEmailAddress();
TempData["result"] = JsonConvert.SerializeObject(model);
if (model.Error || email == null)
{
if (email == null)
{
model.Error = true;
model.Message += "<br/>" + Resources.EmailIsInvalid;
}
return(View(nameof(SubscribeInitial), model));
}
else
{
try
{
model.IPAddress = HttpContext.GetRemoteIPAddress().ToString();
using (MailDemonDatabase db = dbProvider.GetDatabase())
{
if (!db.PreSubscribeToMailingList(ref model))
{
throw new InvalidOperationException(Resources.AlreadySubscribed.FormatHtml(id));
}
}
string url = $"{HttpContext.Request.Scheme}://{HttpContext.Request.Host}/{nameof(SubscribeWelcome)}/{id}?token={model.SubscribeToken}";
model.SubscribeUrl = url;
string templateFullName = MailTemplate.GetFullTemplateName(id, MailTemplate.NameSubscribeConfirm);
await SendMailAsync(model, templateFullName);
return(RedirectToAction(nameof(SubscribeConfirm), new { id = model.ListName }));
}
catch (Exception ex)
{
MailDemonLog.Error(ex);
model.Error = true;
model.Message += "<br/>" + ex.Message;
return(View(nameof(SubscribeInitial), model));
}
}
}