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Copy pathRequiredRoleAttribute.cs
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174 lines (140 loc) · 5.59 KB
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Threading.Tasks;
using ServiceStack.Auth;
using ServiceStack.Configuration;
using ServiceStack.Web;
namespace ServiceStack
{
/// <summary>
/// Indicates that the request dto, which is associated with this attribute,
/// can only execute, if the user has specific roles.
/// </summary>
[AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, Inherited = true, AllowMultiple = true)]
public class RequiredRoleAttribute : AuthenticateAttribute
{
public List<string> RequiredRoles { get; set; }
public RequiredRoleAttribute(ApplyTo applyTo, params string[] roles)
{
this.RequiredRoles = roles.ToList();
this.ApplyTo = applyTo;
this.Priority = (int)RequestFilterPriority.RequiredRole;
}
public RequiredRoleAttribute(params string[] roles)
: this(ApplyTo.All, roles)
{ }
public override async Task ExecuteAsync(IRequest req, IResponse res, object requestDto)
{
if (HostContext.AppHost.HasValidAuthSecret(req))
return;
await base.ExecuteAsync(req, res, requestDto); //first check if session is authenticated
if (res.IsClosed)
return; //AuthenticateAttribute already closed the request (ie auth failed)
var session = req.GetSession();
var authRepo = HostContext.AppHost.GetAuthRepository(req);
using (authRepo as IDisposable)
{
if (session != null && session.HasRole(RoleNames.Admin, authRepo))
return;
if (HasAllRoles(req, session, authRepo))
return;
}
if (DoHtmlRedirectIfConfigured(req, res))
return;
res.StatusCode = (int)HttpStatusCode.Forbidden;
res.StatusDescription = ErrorMessages.InvalidRole.Localize(req);
res.EndRequest();
}
public bool HasAllRoles(IRequest req, IAuthSession session, IAuthRepository authRepo)
{
if (HasAllRoles(session, authRepo)) return true;
session.UpdateFromUserAuthRepo(req, authRepo);
if (HasAllRoles(session, authRepo))
{
req.SaveSession(session);
return true;
}
return false;
}
public bool HasAllRoles(IAuthSession session, IAuthRepository authRepo)
{
if (session == null)
return false;
return this.RequiredRoles.All(x => session.HasRole(x, authRepo));
}
/// <summary>
/// Check all session is in all supplied roles otherwise a 401 HttpError is thrown
/// </summary>
/// <param name="req"></param>
/// <param name="requiredRoles"></param>
public static void AssertRequiredRoles(IRequest req, params string[] requiredRoles)
{
if (requiredRoles.IsEmpty()) return;
if (HostContext.HasValidAuthSecret(req))
return;
var session = req.GetSession();
var authRepo = HostContext.AppHost.GetAuthRepository(req);
using (authRepo as IDisposable)
{
if (session != null)
{
if (session.HasRole(RoleNames.Admin, authRepo))
return;
if (requiredRoles.All(x => session.HasRole(x, authRepo)))
return;
session.UpdateFromUserAuthRepo(req, authRepo);
}
}
if (session != null && requiredRoles.All(x => session.HasRole(x, authRepo)))
return;
var statusCode = session != null && session.IsAuthenticated
? (int)HttpStatusCode.Forbidden
: (int)HttpStatusCode.Unauthorized;
throw new HttpError(statusCode, ErrorMessages.InvalidRole);
}
public static bool HasRequiredRoles(IRequest req, string[] requiredRoles)
{
if (requiredRoles.IsEmpty())
return true;
if (HostContext.HasValidAuthSecret(req))
return true;
var session = req.GetSession();
var authRepo = HostContext.AppHost.GetAuthRepository(req);
using (authRepo as IDisposable)
{
if (session != null)
{
if (session.HasRole(RoleNames.Admin, authRepo))
return true;
if (requiredRoles.All(x => session.HasRole(x, authRepo)))
return true;
session.UpdateFromUserAuthRepo(req);
}
if (session != null && requiredRoles.All(x => session.HasRole(x, authRepo)))
return true;
}
return false;
}
protected bool Equals(RequiredRoleAttribute other)
{
return base.Equals(other)
&& Equals(RequiredRoles, other.RequiredRoles);
}
public override bool Equals(object obj)
{
if (ReferenceEquals(null, obj)) return false;
if (ReferenceEquals(this, obj)) return true;
if (obj.GetType() != this.GetType()) return false;
return Equals((RequiredRoleAttribute)obj);
}
public override int GetHashCode()
{
unchecked
{
return (base.GetHashCode() * 397) ^ (RequiredRoles?.GetHashCode() ?? 0);
}
}
}
}