/
Consent.cshtml.cs
228 lines (199 loc) · 8.31 KB
/
Consent.cshtml.cs
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
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
// Copyright (c) Duende Software. All rights reserved.
// See LICENSE in the project root for license information.
using Duende.IdentityServer.Events;
using Duende.IdentityServer.Extensions;
using Duende.IdentityServer.Models;
using Duende.IdentityServer.Services;
using Duende.IdentityServer.Validation;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;
namespace IdentityServerHost.Pages.Ciba;
[Authorize]
[SecurityHeaders]
public class Consent : PageModel
{
private readonly IBackchannelAuthenticationInteractionService _interaction;
private readonly IEventService _events;
private readonly ILogger<Consent> _logger;
public Consent(
IBackchannelAuthenticationInteractionService interaction,
IEventService events,
ILogger<Consent> logger)
{
_interaction = interaction;
_events = events;
_logger = logger;
}
public ViewModel View { get; set; } = default!;
[BindProperty]
public InputModel Input { get; set; } = default!;
public async Task<IActionResult> OnGet(string? id)
{
if (!await SetViewModelAsync(id))
{
return RedirectToPage("/Home/Error/Index");
}
Input = new InputModel
{
Id = id
};
return Page();
}
public async Task<IActionResult> OnPost()
{
// validate return url is still valid
var request = await _interaction.GetLoginRequestByInternalIdAsync(Input.Id ?? throw new ArgumentNullException(nameof(Input.Id)));
if (request == null || request.Subject.GetSubjectId() != User.GetSubjectId())
{
_logger.InvalidId(Input.Id);
return RedirectToPage("/Home/Error/Index");
}
CompleteBackchannelLoginRequest? result = null;
// user clicked 'no' - send back the standard 'access_denied' response
if (Input.Button == "no")
{
result = new CompleteBackchannelLoginRequest(Input.Id);
// emit event
await _events.RaiseAsync(new ConsentDeniedEvent(User.GetSubjectId(), request.Client.ClientId, request.ValidatedResources.RawScopeValues));
Telemetry.Metrics.ConsentDenied(request.Client.ClientId, request.ValidatedResources.ParsedScopes.Select(s => s.ParsedName));
}
// user clicked 'yes' - validate the data
else if (Input.Button == "yes")
{
// if the user consented to some scope, build the response model
if (Input.ScopesConsented.Any())
{
var scopes = Input.ScopesConsented;
if (ConsentOptions.EnableOfflineAccess == false)
{
scopes = scopes.Where(x => x != Duende.IdentityServer.IdentityServerConstants.StandardScopes.OfflineAccess);
}
result = new CompleteBackchannelLoginRequest(Input.Id)
{
ScopesValuesConsented = scopes.ToArray(),
Description = Input.Description
};
// emit event
await _events.RaiseAsync(new ConsentGrantedEvent(User.GetSubjectId(), request.Client.ClientId, request.ValidatedResources.RawScopeValues, result.ScopesValuesConsented, false));
Telemetry.Metrics.ConsentGranted(request.Client.ClientId, result.ScopesValuesConsented, false);
var denied = request.ValidatedResources.ParsedScopes.Select(s => s.ParsedName).Except(result.ScopesValuesConsented);
Telemetry.Metrics.ConsentDenied(request.Client.ClientId, denied);
}
else
{
ModelState.AddModelError("", ConsentOptions.MustChooseOneErrorMessage);
}
}
else
{
ModelState.AddModelError("", ConsentOptions.InvalidSelectionErrorMessage);
}
if (result != null)
{
// communicate outcome of consent back to identityserver
await _interaction.CompleteLoginRequestAsync(result);
return RedirectToPage("/Ciba/All");
}
// we need to redisplay the consent UI
if (!await SetViewModelAsync(Input.Id))
{
return RedirectToPage("/Home/Error/Index");
}
return Page();
}
private async Task<bool> SetViewModelAsync(string? id)
{
ArgumentNullException.ThrowIfNull(id);
var request = await _interaction.GetLoginRequestByInternalIdAsync(id);
if (request != null && request.Subject.GetSubjectId() == User.GetSubjectId())
{
View = CreateConsentViewModel(request);
return true;
}
else
{
_logger.NoMatchingBackchannelLoginRequest(id);
return false;
}
}
private ViewModel CreateConsentViewModel(BackchannelUserLoginRequest request)
{
var vm = new ViewModel
{
ClientName = request.Client.ClientName ?? request.Client.ClientId,
ClientUrl = request.Client.ClientUri,
ClientLogoUrl = request.Client.LogoUri,
BindingMessage = request.BindingMessage
};
vm.IdentityScopes = request.ValidatedResources.Resources.IdentityResources
.Select(x => CreateScopeViewModel(x, Input == null || Input.ScopesConsented.Contains(x.Name)))
.ToArray();
var resourceIndicators = request.RequestedResourceIndicators ?? Enumerable.Empty<string>();
var apiResources = request.ValidatedResources.Resources.ApiResources.Where(x => resourceIndicators.Contains(x.Name));
var apiScopes = new List<ScopeViewModel>();
foreach (var parsedScope in request.ValidatedResources.ParsedScopes)
{
var apiScope = request.ValidatedResources.Resources.FindApiScope(parsedScope.ParsedName);
if (apiScope != null)
{
var scopeVm = CreateScopeViewModel(parsedScope, apiScope, Input == null || Input.ScopesConsented.Contains(parsedScope.RawValue));
scopeVm.Resources = apiResources.Where(x => x.Scopes.Contains(parsedScope.ParsedName))
.Select(x => new ResourceViewModel
{
Name = x.Name,
DisplayName = x.DisplayName ?? x.Name,
}).ToArray();
apiScopes.Add(scopeVm);
}
}
if (ConsentOptions.EnableOfflineAccess && request.ValidatedResources.Resources.OfflineAccess)
{
apiScopes.Add(GetOfflineAccessScope(Input == null || Input.ScopesConsented.Contains(Duende.IdentityServer.IdentityServerConstants.StandardScopes.OfflineAccess)));
}
vm.ApiScopes = apiScopes;
return vm;
}
private static ScopeViewModel CreateScopeViewModel(IdentityResource identity, bool check)
{
return new ScopeViewModel
{
Name = identity.Name,
Value = identity.Name,
DisplayName = identity.DisplayName ?? identity.Name,
Description = identity.Description,
Emphasize = identity.Emphasize,
Required = identity.Required,
Checked = check || identity.Required
};
}
private static ScopeViewModel CreateScopeViewModel(ParsedScopeValue parsedScopeValue, ApiScope apiScope, bool check)
{
var displayName = apiScope.DisplayName ?? apiScope.Name;
if (!String.IsNullOrWhiteSpace(parsedScopeValue.ParsedParameter))
{
displayName += ":" + parsedScopeValue.ParsedParameter;
}
return new ScopeViewModel
{
Name = parsedScopeValue.ParsedName,
Value = parsedScopeValue.RawValue,
DisplayName = displayName,
Description = apiScope.Description,
Emphasize = apiScope.Emphasize,
Required = apiScope.Required,
Checked = check || apiScope.Required
};
}
private static ScopeViewModel GetOfflineAccessScope(bool check)
{
return new ScopeViewModel
{
Value = Duende.IdentityServer.IdentityServerConstants.StandardScopes.OfflineAccess,
DisplayName = ConsentOptions.OfflineAccessDisplayName,
Description = ConsentOptions.OfflineAccessDescription,
Emphasize = true,
Checked = check
};
}
}