public ActionResult Subscribe(string email)
{
if (bool.TryParse(CommonHelper.SystemSettings["DisabledEmailBroadcast"], out var disabled) && disabled)
{
return(ResultData(null, false, CommonHelper.SystemSettings["DisabledEmailBroadcastTip"]));
}
Broadcast entity = BroadcastService.GetFirstEntity(b => b.Email.Equals(email, StringComparison.InvariantCultureIgnoreCase));
var guid = Guid.NewGuid();
if (entity != null)
{
if (entity.Status == Status.Subscribed)
{
return(ResultData(null, false, "您已经订阅过了，无需再重复订阅！"));
}
entity.ValidateCode = guid.ToString();
entity.UpdateTime = DateTime.Now;
BroadcastService.UpdateEntity(entity);
}
else
{
BroadcastService.AddEntity(new Broadcast()
{
Email = email,
ValidateCode = guid.ToString(),
Status = Status.Subscribing,
UpdateTime = DateTime.Now
});
}
try
{
var ts = DateTime.Now.GetTotalMilliseconds();
string link = Url.Action("Subscribe", "Subscribe", new
{
email,
act = "verify",
validate = guid,
timespan = ts,
hash = (email + "verify" + guid + ts).AESEncrypt(AppConfig.BaiduAK)
}, "http");
BackgroundJob.Enqueue(() => CommonHelper.SendMail(CommonHelper.SystemSettings["Title"] + "博客订阅：" + Request.Host, System.IO.File.ReadAllText(_hostingEnvironment.WebRootPath + "/template/subscribe.html").Replace("{{link}}", link), email));
BroadcastService.SaveChanges();
return(ResultData(null, message: "订阅成功，请打开您的邮箱确认操作后便可收到订阅更新！"));
}
catch (Exception e)
{
LogManager.Error(GetType(), e);
return(ResultData(null, false, "订阅失败，这可能是服务器出现了一点问题，去留言板给站长反馈吧！"));
}
}
/// <summary>
/// 邮箱订阅
/// </summary>
/// <param name="email"></param>
/// <param name="act"></param>
/// <param name="validate"></param>
/// <param name="timespan"></param>
/// <param name="hash"></param>
/// <returns></returns>
public ActionResult Subscribe(string email, string act, string validate, double timespan, string hash)
{
var ts = DateTime.Now.GetTotalMilliseconds();
if (ts - timespan > 86400000)
{
return(Content("链接已失效"));
}
var hash2 = (email + act + validate + timespan).AESEncrypt(AppConfig.BaiduAK);
if (!hash2.Equals(hash))
{
return(Content("操作失败，链接已被非法篡改"));
}
Broadcast entity = BroadcastService.GetFirstEntity(b => b.Email.Equals(email, StringComparison.InvariantCultureIgnoreCase) && b.ValidateCode.Equals(validate));
if (entity != null)
{
switch (act)
{
case "verify":
entity.Status = Status.Subscribed;
entity.ValidateCode = Guid.NewGuid().ToString();
entity.UpdateTime = DateTime.Now;
BroadcastService.UpdateEntity(entity);
BroadcastService.SaveChanges();
return(Content("订阅成功！"));
case "cancel":
entity.Status = Status.Canceled;
entity.UpdateTime = DateTime.Now;
BroadcastService.UpdateEntity(entity);
BroadcastService.SaveChanges();
return(Content("取消订阅成功，您将不会再接收到文章更新，如果您以后需要再次接收更新推送，可以到主站点重新进行订阅操作！"));
default: return(RedirectToAction("Index", "Home"));
}
}
return(Content("该邮箱账户未使用邮件订阅！"));
}
