public async Task <ActionResult> Index()
{
XFrameOptionsDeny();
var key = System.Configuration.ConfigurationManager.AppSettings["UnsubscribeKey"]; // This is our private symmetric encryption key to convert between userAppId and unsubscribeId
using (var db = new ZapContext())
{
var userAppId = User.Identity.GetUserId();
var userUnsubscribeId = CryptoService.EncryptString(key, userAppId) + ":" + SubscriptionTypes.FollowedUserNewPost;
var userInfo = await db.Users
.Where(u => u.AppId == userAppId)
.Select(u => new
{
u.Name
})
.FirstOrDefaultAsync().ConfigureAwait(true);
var vm = new UnsubscribeIndexViewModel()
{
Name = userInfo.Name,
UnsubFunction = "followed user post notifications",
UserEmail = UserManager.FindById(userAppId).Email,
UserUnsubscribeId = userUnsubscribeId,
};
return(View(vm));
}
}
public async Task <ActionResult> Subscribe(string userUnsubscribeId)
{
XFrameOptionsDeny();
var key = System.Configuration.ConfigurationManager.AppSettings["UnsubscribeKey"]; // This is our private symmetric encryption key to convert between userAppId and unsubscribeId
// We decrypt the value in the userUnsubscribeId to get the AppId to find the user in the database.
// This is done so that someone can't do an attack unsubscribing all users
var unsubscribeInfo = CryptoService.DecryptString(key, userUnsubscribeId);
var values = unsubscribeInfo.Split(':');
var userAppId = values[0];
var subscriptionType = values[1];
using (var db = new ZapContext())
{
var user = await db.Users
.Where(u => u.AppId == userAppId)
.Include(u => u.Settings)
.FirstOrDefaultAsync().ConfigureAwait(true);
if (user == null)
{
Response.StatusCode = (int)HttpStatusCode.NotFound;
return(new EmptyResult());
}
string function = "";
bool success = false;
switch (subscriptionType)
{
case SubscriptionTypes.FollowedUserNewPost:
function = "followed user post notifications";
user.Settings.NotifyOnNewPostSubscribedUser = true;
success = true;
break;
case SubscriptionTypes.OwnPostComment:
function = "comments on your posts";
user.Settings.NotifyOnOwnPostCommented = true;
break;
case SubscriptionTypes.FollowedPostComment:
function = "comments on folllowed posts";
// TODO
break;
case SubscriptionTypes.OwnCommentReply:
function = "reply to comments";
user.Settings.NotifyOnOwnCommentReplied = true;
break;
case SubscriptionTypes.NewChat:
function = "new private chats";
user.Settings.NotifyOnPrivateMessage = true;
break;
case SubscriptionTypes.UserMentionedInComment:
function = "user mentions";
user.Settings.NotifyOnMentioned = true;
break;
default:
break;
}
try
{
await db.SaveChangesAsync().ConfigureAwait(true);
}
#pragma warning disable CA1031 // Do not catch general exception types
catch (Exception)
#pragma warning restore CA1031 // Do not catch general exception types
{
success = false;
}
var vm = new UnsubscribeIndexViewModel()
{
Success = success,
Name = user.Name,
UnsubFunction = function,
UserEmail = UserManager.FindById(userAppId).Email,
UserUnsubscribeId = userUnsubscribeId
};
return(View(vm));
}
}
public async Task <ActionResult> Unsubscribe(string userUnsubscribeId)
{
XFrameOptionsDeny();
var key = System.Configuration.ConfigurationManager.AppSettings["UnsubscribeKey"]; // This is our private symmetric encryption key to convert between userAppId and unsubscribeId
// We decrypt the value in the userUnsubscribeId to get the AppId to find the user in the database.
// This is done so that someone can't do an attack unsubscribing all users
var unsubscribeInfo = CryptoService.DecryptString(key, userUnsubscribeId);
var values = unsubscribeInfo.Split(':');
var userAppId = values[0];
var subType = values[1];
using (var db = new ZapContext())
{
var userInfo = await db.Users
.Where(u => u.AppId == userAppId)
.Select(u => new
{
u.Name
})
.FirstOrDefaultAsync().ConfigureAwait(true);
if (userInfo == null)
{
Response.StatusCode = (int)HttpStatusCode.NotFound;
return(new EmptyResult());
}
string function = "";
switch (subType)
{
case SubscriptionTypes.FollowedUserNewPost:
function = "followed user post notifications";
break;
case "B":
function = "followed post notifications";
break;
case SubscriptionTypes.OwnPostComment:
function = "comments on your posts";
break;
case SubscriptionTypes.FollowedPostComment:
function = "comments on folllowed posts";
break;
case SubscriptionTypes.OwnCommentReply:
function = "reply to comments";
break;
case SubscriptionTypes.NewChat:
function = "new private chats";
break;
case SubscriptionTypes.UserMentionedInComment:
function = "user mentions";
break;
default:
break;
}
var vm = new UnsubscribeIndexViewModel()
{
Name = userInfo.Name,
UnsubFunction = function,
UserEmail = UserManager.FindById(userAppId).Email,
UserUnsubscribeId = userUnsubscribeId
};
return(View(vm));
}
}
