Diplomarbeit-Absolventenverein/oqtane.framework
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Permission-based authorization utilizing Policies

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This commit is contained in:
Shaun Walker
2019-08-27 17:14:41 -04:00
parent f037898c6e
commit 3ce7f1a227
54 changed files with 1104 additions and 388 deletions
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7
Oqtane.Server/Security/ClaimsPrincipalFactory.cs
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@ -4,6 +4,7 @@ using System.Security.Claims;
using System.Threading.Tasks;
using Oqtane.Repository;
using Oqtane.Models;
using Oqtane.Shared;
namespace Oqtane.Security
{
@ -29,9 +30,11 @@ namespace Oqtane.Security
User user = Users.GetUser(identityuser.UserName);
if (user != null)
{
if (user.IsSuperUser)
id.AddClaim(new Claim(ClaimTypes.PrimarySid, user.UserId.ToString()));
if (user.IsHost) // host users are part of every site by default
{
id.AddClaim(new Claim(options.ClaimsIdentity.RoleClaimType, "Administrators"));
id.AddClaim(new Claim(options.ClaimsIdentity.RoleClaimType, Constants.HostRole));
id.AddClaim(new Claim(options.ClaimsIdentity.RoleClaimType, Constants.AdminRole));
}
else
{

57
Oqtane.Server/Security/PermissionHandler.cs Normal file
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@ -0,0 +1,57 @@
using System.Linq;
using System.Security.Claims;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Http;
using Oqtane.Models;
using Oqtane.Repository;
namespace Oqtane.Security
{
public class PermissionHandler : AuthorizationHandler<PermissionRequirement>
{
private readonly IHttpContextAccessor HttpContextAccessor;
private readonly IPermissionRepository Permissions;
public PermissionHandler(IHttpContextAccessor HttpContextAccessor, IPermissionRepository Permissions)
{
this.HttpContextAccessor = HttpContextAccessor;
this.Permissions = Permissions;
}
protected override Task HandleRequirementAsync(AuthorizationHandlerContext context, PermissionRequirement requirement)
{
// permission is scoped based on EntityId which must be passed as a querystring parameter
var ctx = HttpContextAccessor.HttpContext;
if (ctx != null && ctx.Request.Query.ContainsKey("entityid"))
{
int EntityId = int.Parse(ctx.Request.Query["entityid"]);
string permissions = Permissions.EncodePermissions(EntityId, Permissions.GetPermissions(requirement.EntityName, EntityId, requirement.PermissionName).ToList());
User user = new User();
user.UserId = -1;
user.Roles = "";
if (context.User != null)
{
var idclaim = context.User.Claims.Where(item => item.Type == ClaimTypes.PrimarySid).FirstOrDefault();
if (idclaim != null)
{
user.UserId = int.Parse(idclaim.Value);
foreach (var claim in context.User.Claims.Where(item => item.Type == ClaimTypes.Role))
{
user.Roles += claim.Value + ";";
}
if (user.Roles != "") user.Roles = ";" + user.Roles;
}
}
if (UserSecurity.IsAuthorized(user, requirement.PermissionName, permissions))
{
context.Succeed(requirement);
}
}
return Task.CompletedTask;
}
}
}

17
Oqtane.Server/Security/PermissionRequirement.cs Normal file
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@ -0,0 +1,17 @@
using Microsoft.AspNetCore.Authorization;
namespace Oqtane.Security
{
public class PermissionRequirement : IAuthorizationRequirement
{
public string EntityName { get; }
public string PermissionName { get; }
public PermissionRequirement(string EntityName, string PermissionName)
{
this.EntityName = EntityName;
this.PermissionName = PermissionName;
}
}
}