blob: bb86a3f060f9408fbdb3f48aea03bd0b63c6af5e (
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
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
|
/*
* Copyright (c) 2023 Vaughn Nugent
*
* Library: VNLib
* Package: VNLib.Plugins.Essentials.Accounts
* File: MFAConfig.cs
*
* MFAConfig.cs is part of VNLib.Plugins.Essentials.Accounts which is part of the larger
* VNLib collection of libraries and utilities.
*
* VNLib.Plugins.Essentials.Accounts is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* VNLib.Plugins.Essentials.Accounts is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see https://www.gnu.org/licenses/.
*/
using System;
using System.Text.Json.Serialization;
using FluentValidation;
using VNLib.Hashing;
using VNLib.Plugins.Extensions.Loading;
namespace VNLib.Plugins.Essentials.Accounts.MFA
{
[ConfigurationName("mfa")]
internal class MFAConfig : IOnConfigValidation
{
private static IValidator<MFAConfig> GetValidator()
{
InlineValidator<MFAConfig> val = new();
val.RuleFor(c => c.UpgradeExpSeconds)
.GreaterThan(1)
.WithMessage("You must configure a non-zero upgrade expiration timeout");
val.RuleFor(c => c.NonceLenBytes)
.GreaterThanOrEqualTo(8)
.WithMessage("You must configure a nonce size of 8 bytes or larger");
val.RuleFor(c => c.UpgradeKeyBytes)
.GreaterThanOrEqualTo(8)
.WithMessage("You must configure a signing key size of 8 bytes or larger");
return val;
}
private static IValidator<MFAConfig> _validator { get; } = GetValidator();
[JsonPropertyName("totp")]
public TOTPConfig? TOTPConfig { get; set; }
[JsonIgnore]
public bool TOTPEnabled => TOTPConfig?.IssuerName != null;
[JsonPropertyName("fido")]
public FidoConfig? FIDOConfig { get; set; }
[JsonIgnore]
public bool FIDOEnabled => FIDOConfig?.FIDOSiteName != null;
[JsonIgnore]
public TimeSpan UpgradeValidFor { get; private set; } = TimeSpan.FromSeconds(120);
[JsonPropertyName("upgrade_expires_secs")]
public int UpgradeExpSeconds
{
get => (int)UpgradeValidFor.TotalSeconds;
set => UpgradeValidFor = TimeSpan.FromSeconds(value);
}
[JsonPropertyName("nonce_size")]
public int NonceLenBytes { get; set; } = 16;
[JsonPropertyName("upgrade_size")]
public int UpgradeKeyBytes { get; set; } = 32;
public void Validate()
{
//Validate the current confige before child configs
_validator.ValidateAndThrow(this);
TOTPConfig?.Validate();
FIDOConfig?.Validate();
}
}
internal class TOTPConfig : IOnConfigValidation
{
private static IValidator<TOTPConfig> GetValidator()
{
InlineValidator<TOTPConfig> val = new();
val.RuleFor(c => c.IssuerName)
.NotEmpty();
val.RuleFor(c => c.PeriodSec)
.InclusiveBetween(1, 600);
val.RuleFor(c => c.TOTPAlg)
.Must(a => a != HashAlg.None)
.WithMessage("TOTP Algorithim name must not be NONE");
val.RuleFor(c => c.TOTPDigits)
.GreaterThan(1)
.WithMessage("You should have more than 1 digit for a totp code");
//We dont neet to check window steps, the user may want to configure 0 or more
val.RuleFor(c => c.TOTPTimeWindowSteps);
val.RuleFor(c => c.TOTPSecretBytes)
.GreaterThan(8)
.WithMessage("You should configure a larger TOTP secret size for better security");
return val;
}
[JsonIgnore]
private static IValidator<TOTPConfig> _validator { get; } = GetValidator();
[JsonPropertyName("issuer")]
public string? IssuerName { get; set; }
[JsonPropertyName("period_sec")]
public int PeriodSec
{
get => (int)TOTPPeriod.TotalSeconds;
set => TOTPPeriod = TimeSpan.FromSeconds(value);
}
[JsonIgnore]
public TimeSpan TOTPPeriod { get; set; } = TimeSpan.FromSeconds(30);
[JsonPropertyName("algorithm")]
public string AlgName
{
get => TOTPAlg.ToString();
set => TOTPAlg = Enum.Parse<HashAlg>(value.ToUpper(null));
}
[JsonIgnore]
public HashAlg TOTPAlg { get; set; } = HashAlg.SHA1;
[JsonPropertyName("digits")]
public int TOTPDigits { get; set; } = 6;
[JsonPropertyName("secret_size")]
public int TOTPSecretBytes { get; set; } = 32;
[JsonPropertyName("window_size")]
public int TOTPTimeWindowSteps { get; set; } = 1;
public void Validate()
{
//Validate the current instance on the
_validator.ValidateAndThrow(this);
}
}
internal class FidoConfig : IOnConfigValidation
{
private static IValidator<FidoConfig> GetValidator()
{
InlineValidator<FidoConfig> val = new();
return val;
}
private static IValidator<FidoConfig> _validator { get; } = GetValidator();
public int FIDOChallangeSize { get; }
public int FIDOTimeout { get; }
public string? FIDOSiteName { get; }
public string? FIDOAttestationType { get; }
public FidoAuthenticatorSelection? FIDOAuthSelection { get; }
public void Validate()
{
_validator.ValidateAndThrow(this);
}
}
}
|
