blob: bf557476617e5733cc00d38c450bc2a913f2fb52 (
plain)
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
71
72
73
74
75
76
77
78
79
80
81
82
|
using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Authentication;
using System.Text;
using System.Threading.Tasks;
using Tango.Transport.Web;
namespace Tango.Web.Security
{
public class TokensManager<T> where T : IEquatable<T>
{
private Dictionary<String, TokenWrapper> _tokens;
private class TokenWrapper : IEquatable<TokenWrapper>
{
public WebToken WebToken { get; set; }
public T Value { get; set; }
public bool Equals(TokenWrapper other)
{
return Value.Equals(other.Value);
}
}
public TokensManager()
{
_tokens = new Dictionary<string, TokenWrapper>();
ExpirationTime = TimeSpan.FromHours(1);
}
public TimeSpan ExpirationTime { get; set; }
public WebToken GetOrCreate(T tokenObject)
{
var existing_token = _tokens.FirstOrDefault(x => x.Value.Value.Equals(tokenObject));
if (existing_token.Key != null)
{
return existing_token.Value.WebToken;
}
else
{
String token = Guid.NewGuid().ToString();
TokenWrapper wrapper = new TokenWrapper()
{
Value = tokenObject,
WebToken = new WebToken()
{
//AccessToken = token,
//Expiration = DateTime.UtcNow.Add(ExpirationTime)
},
};
_tokens.Add(token, wrapper);
return wrapper.WebToken;
}
}
public void Validate(String token)
{
GetTokenObject(token);
}
public T GetTokenObject(String token)
{
if (!_tokens.ContainsKey(token))
{
throw new AuthenticationException("Invalid token.");
}
if (DateTime.UtcNow > _tokens[token].WebToken.Expiration)
{
_tokens.Remove(token);
throw new TokenExpiredException("Session Expired.");
}
return _tokens[token].Value;
}
}
}
|
