예제 #1
0
        // Notification raised before ADAL accesses the cache.
        // This is your chance to update the in-memory copy from the DB, if the in-memory version is stale
        void BeforeAccessNotification(TokenCacheNotificationArgs args)
        {
            if (Cache == null)
            {
                // first time access
                Cache = db.PerUserCacheList.FirstOrDefault(c => c.WebUserUniqueId == User);
            }
            else
            {   // retrieve last write from the DB
                var status = from e in db.PerUserCacheList
                             where (e.WebUserUniqueId == User)
                             select new
                             {
                                 LastWrite = e.LastWrite
                             };
                // if the in-memory copy is older than the persistent copy
                if (status.First().LastWrite > Cache.LastWrite)
                //// read from from storage, update in-memory copy 
                {
                    Cache = db.PerUserCacheList.FirstOrDefault(c => c.WebUserUniqueId == User);
                }
            }


            this.Deserialize((Cache == null) ? null : Cache.CacheBits);
        }
예제 #2
0
        // constructor
        public EfAdalTokenCache(string user)
        {
            // associate the cache to the current user of the web app
            User = user;

            this.AfterAccess = AfterAccessNotification;
            this.BeforeAccess = BeforeAccessNotification;
            this.BeforeWrite = BeforeWriteNotification;

            // look up the entry in the DB
            Cache = db.PerUserCacheList.FirstOrDefault(c => c.WebUserUniqueId == User);
            // place the entry in memory
            this.Deserialize((Cache == null) ? null : Cache.CacheBits);
        }
예제 #3
0
 // Notification raised after ADAL accessed the cache.
 // If the HasStateChanged flag is set, ADAL changed the content of the cache
 void AfterAccessNotification(TokenCacheNotificationArgs args)
 {
     // if state changed
     if (this.HasStateChanged)
     {
         Cache = new PerUserWebCache
         {
             WebUserUniqueId = User,
             CacheBits = this.Serialize(),
             LastWrite = DateTime.Now
         };
         //// update the DB and the lastwrite                
         db.Entry(Cache).State = Cache.EntryId == 0 ? EntityState.Added : EntityState.Modified;
         db.SaveChanges();
         this.HasStateChanged = false;
     }
 }