c# - Custom Authorize Attribute and Entity Framework -

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i implementing action/activity based authorization in asp.net application. trying make reusable library can use other projects. using entity framework data access.

i able implement functionality not sure how configure entity framework connection string authorize attribute.

custom authorize attribute:

public class authorizeaction: authorizeattribute {     private string _actions;     private string[] _actionssplit = new string[0];      public string actions     {         { return _actions ?? string.empty; }         set         {             _actions = value;             _actionssplit = value.split(',');         }     }      protected override bool authorizecore(system.web.httpcontextbase httpcontext)     {         string userid = string.empty;          if (httpcontext == null)         {             throw new argumentnullexception("httpcontext");         }          iprincipal user = httpcontext.user;         if(!user.identity.isauthenticated)         {             return false;         }          userid = user.identity.name;          if(_actionssplit.length > 0)         {             authmanager manager = new authmanager();             if (!manager.authorizeaction(_actionssplit, userid)) //this authorize user against action                 return false;         }         return true;     }

authmanager class using has overload method accept entity framework connection string name configuration file not sure how can configurable or user supplied.

authmanager code:

public class authmanager {     private string connectionconfigname = "authorizationcontext";      public authmanager() { }      public authmanager(string connectionname)     {         connectionconfigname = connectionname;     }      /// <summary>     /// authorizes actions against userid supplied     /// </summary>     /// <param name="actionnames">comma seperated list of action names</param>     /// <param name="useralias">unique user identifier</param>     /// <returns>true if user has access atleast 1 of actions supplies otherwise false</returns>     public bool authorizeaction(string[] actions, string useralias)     {         using (authorizationcontext context = new authorizationcontext(connectionconfigname))         {             //list<string> actions = actionnames.split(',').tolist<string>();              var count = (from ur in context.userroles                          join ra in context.roleactions on new { key1 = ur.roleid, key2 = ur.useralias } equals new { key1 = ra.roleid, key2 = useralias}                          join in context.actions on ra.actionid equals a.actionid                          actions.contains(a.actionname) && ra.allow == true                          select ur).count();              return (count > 0);         }     } }

i looked @ using roleprovider not going use of built in functionality not sure if idea. please help.


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