Security/src/Microsoft.AspNetCore.Authorization/AuthorizationHandler.cs at dev · nGenieDeveloper/Security · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.

using System.Linq;
using System.Threading.Tasks;

namespace Microsoft.AspNetCore.Authorization
{
    public abstract class AuthorizationHandler<TRequirement> : IAuthorizationHandler
        where TRequirement : IAuthorizationRequirement
    {
        public void Handle(AuthorizationContext context)
        {
            foreach (var req in context.Requirements.OfType<TRequirement>())
            {
                Handle(context, req);
            }
        }

        public virtual async Task HandleAsync(AuthorizationContext context)
        {
            foreach (var req in context.Requirements.OfType<TRequirement>())
            {
                await HandleAsync(context, req);
            }
        }

        protected abstract void Handle(AuthorizationContext context, TRequirement requirement);

        protected virtual Task HandleAsync(AuthorizationContext context, TRequirement requirement)
        {
            Handle(context, requirement);
            return Task.FromResult(0);
        }
    }

    public abstract class AuthorizationHandler<TRequirement, TResource> : IAuthorizationHandler
        where TRequirement : IAuthorizationRequirement
    {
        public virtual async Task HandleAsync(AuthorizationContext context)
        {
            if (context.Resource is TResource)
            {
                foreach (var req in context.Requirements.OfType<TRequirement>())
                {
                    await HandleAsync(context, req, (TResource)context.Resource);
                }
            }
        }

        protected virtual Task HandleAsync(AuthorizationContext context, TRequirement requirement, TResource resource)
        {
            Handle(context, requirement, resource);
            return Task.FromResult(0);
        }

        public virtual void Handle(AuthorizationContext context)
        {
            if (context.Resource is TResource)
            {
                foreach (var req in context.Requirements.OfType<TRequirement>())
                {
                    Handle(context, req, (TResource)context.Resource);
                }
            }
        }

        protected abstract void Handle(AuthorizationContext context, TRequirement requirement, TResource resource);
    }
}