summaryrefslogtreecommitdiffstats
path: root/dom/webauthn/WebAuthnService.cpp
blob: 3e1557edbc32cf6d7c7d74ad6b2afd8b440197b8 (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
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
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "mozilla/Services.h"
#include "mozilla/StaticPrefs_security.h"
#include "nsIObserverService.h"
#include "nsThreadUtils.h"
#include "WebAuthnService.h"
#include "WebAuthnTransportIdentifiers.h"

namespace mozilla::dom {

already_AddRefed<nsIWebAuthnService> NewWebAuthnService() {
  nsCOMPtr<nsIWebAuthnService> webauthnService(new WebAuthnService());
  return webauthnService.forget();
}

NS_IMPL_ISUPPORTS(WebAuthnService, nsIWebAuthnService)

NS_IMETHODIMP
WebAuthnService::MakeCredential(uint64_t aTransactionId,
                                uint64_t browsingContextId,
                                nsIWebAuthnRegisterArgs* aArgs,
                                nsIWebAuthnRegisterPromise* aPromise) {
  auto guard = mTransactionState.Lock();
  if (guard->isSome()) {
    guard->ref().service->Reset();
    *guard = Nothing();
  }
  *guard = Some(TransactionState{DefaultService()});
  return guard->ref().service->MakeCredential(aTransactionId, browsingContextId,
                                              aArgs, aPromise);
}

NS_IMETHODIMP
WebAuthnService::GetAssertion(uint64_t aTransactionId,
                              uint64_t browsingContextId,
                              nsIWebAuthnSignArgs* aArgs,
                              nsIWebAuthnSignPromise* aPromise) {
  auto guard = mTransactionState.Lock();
  if (guard->isSome()) {
    guard->ref().service->Reset();
    *guard = Nothing();
  }
  *guard = Some(TransactionState{DefaultService()});
  nsresult rv;

#if defined(XP_MACOSX)
  // The macOS security key API doesn't handle the AppID extension. So we'll
  // use authenticator-rs if it's likely that the request requires AppID. We
  // consider it likely if 1) the AppID extension is present, 2) the allow list
  // is non-empty, and 3) none of the allowed credentials use the
  // "internal" or "hybrid" transport.
  nsString appId;
  rv = aArgs->GetAppId(appId);
  if (rv == NS_OK) {  // AppID is set
    uint8_t transportSet = 0;
    nsTArray<uint8_t> allowListTransports;
    Unused << aArgs->GetAllowListTransports(allowListTransports);
    for (const uint8_t& transport : allowListTransports) {
      transportSet |= transport;
    }
    uint8_t passkeyTransportMask =
        MOZ_WEBAUTHN_AUTHENTICATOR_TRANSPORT_ID_INTERNAL |
        MOZ_WEBAUTHN_AUTHENTICATOR_TRANSPORT_ID_HYBRID;
    if (allowListTransports.Length() > 0 &&
        (transportSet & passkeyTransportMask) == 0) {
      guard->ref().service = AuthrsService();
    }
  }
#endif

  rv = guard->ref().service->GetAssertion(aTransactionId, browsingContextId,
                                          aArgs, aPromise);
  if (NS_FAILED(rv)) {
    return rv;
  }

  // If this is a conditionally mediated request, notify observers that there
  // is a pending transaction. This is mainly useful in tests.
  bool conditionallyMediated;
  Unused << aArgs->GetConditionallyMediated(&conditionallyMediated);
  if (conditionallyMediated) {
    nsCOMPtr<nsIRunnable> runnable(NS_NewRunnableFunction(__func__, []() {
      nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
      if (os) {
        os->NotifyObservers(nullptr, "webauthn:conditional-get-pending",
                            nullptr);
      }
    }));
    NS_DispatchToMainThread(runnable.forget());
  }

  return NS_OK;
}

NS_IMETHODIMP
WebAuthnService::GetIsUVPAA(bool* aAvailable) {
  return DefaultService()->GetIsUVPAA(aAvailable);
}

NS_IMETHODIMP
WebAuthnService::HasPendingConditionalGet(uint64_t aBrowsingContextId,
                                          const nsAString& aOrigin,
                                          uint64_t* aRv) {
  return SelectedService()->HasPendingConditionalGet(aBrowsingContextId,
                                                     aOrigin, aRv);
}

NS_IMETHODIMP
WebAuthnService::GetAutoFillEntries(
    uint64_t aTransactionId, nsTArray<RefPtr<nsIWebAuthnAutoFillEntry>>& aRv) {
  return SelectedService()->GetAutoFillEntries(aTransactionId, aRv);
}

NS_IMETHODIMP
WebAuthnService::SelectAutoFillEntry(uint64_t aTransactionId,
                                     const nsTArray<uint8_t>& aCredentialId) {
  return SelectedService()->SelectAutoFillEntry(aTransactionId, aCredentialId);
}

NS_IMETHODIMP
WebAuthnService::ResumeConditionalGet(uint64_t aTransactionId) {
  return SelectedService()->ResumeConditionalGet(aTransactionId);
}

NS_IMETHODIMP
WebAuthnService::Reset() {
  auto guard = mTransactionState.Lock();
  if (guard->isSome()) {
    guard->ref().service->Reset();
  }
  *guard = Nothing();
  return NS_OK;
}

NS_IMETHODIMP
WebAuthnService::Cancel(uint64_t aTransactionId) {
  return SelectedService()->Cancel(aTransactionId);
}

NS_IMETHODIMP
WebAuthnService::PinCallback(uint64_t aTransactionId, const nsACString& aPin) {
  return SelectedService()->PinCallback(aTransactionId, aPin);
}

NS_IMETHODIMP
WebAuthnService::ResumeMakeCredential(uint64_t aTransactionId,
                                      bool aForceNoneAttestation) {
  return SelectedService()->ResumeMakeCredential(aTransactionId,
                                                 aForceNoneAttestation);
}

NS_IMETHODIMP
WebAuthnService::SelectionCallback(uint64_t aTransactionId, uint64_t aIndex) {
  return SelectedService()->SelectionCallback(aTransactionId, aIndex);
}

NS_IMETHODIMP
WebAuthnService::AddVirtualAuthenticator(
    const nsACString& protocol, const nsACString& transport,
    bool hasResidentKey, bool hasUserVerification, bool isUserConsenting,
    bool isUserVerified, uint64_t* retval) {
  return SelectedService()->AddVirtualAuthenticator(
      protocol, transport, hasResidentKey, hasUserVerification,
      isUserConsenting, isUserVerified, retval);
}

NS_IMETHODIMP
WebAuthnService::RemoveVirtualAuthenticator(uint64_t authenticatorId) {
  return SelectedService()->RemoveVirtualAuthenticator(authenticatorId);
}

NS_IMETHODIMP
WebAuthnService::AddCredential(uint64_t authenticatorId,
                               const nsACString& credentialId,
                               bool isResidentCredential,
                               const nsACString& rpId,
                               const nsACString& privateKey,
                               const nsACString& userHandle,
                               uint32_t signCount) {
  return SelectedService()->AddCredential(authenticatorId, credentialId,
                                          isResidentCredential, rpId,
                                          privateKey, userHandle, signCount);
}

NS_IMETHODIMP
WebAuthnService::GetCredentials(
    uint64_t authenticatorId,
    nsTArray<RefPtr<nsICredentialParameters>>& retval) {
  return SelectedService()->GetCredentials(authenticatorId, retval);
}

NS_IMETHODIMP
WebAuthnService::RemoveCredential(uint64_t authenticatorId,
                                  const nsACString& credentialId) {
  return SelectedService()->RemoveCredential(authenticatorId, credentialId);
}

NS_IMETHODIMP
WebAuthnService::RemoveAllCredentials(uint64_t authenticatorId) {
  return SelectedService()->RemoveAllCredentials(authenticatorId);
}

NS_IMETHODIMP
WebAuthnService::SetUserVerified(uint64_t authenticatorId,
                                 bool isUserVerified) {
  return SelectedService()->SetUserVerified(authenticatorId, isUserVerified);
}

NS_IMETHODIMP
WebAuthnService::Listen() { return SelectedService()->Listen(); }

NS_IMETHODIMP
WebAuthnService::RunCommand(const nsACString& cmd) {
  return SelectedService()->RunCommand(cmd);
}

}  // namespace mozilla::dom