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
|
// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/server_certificate_database/server_certificate_database_service.h"
#include <string>
#include <string_view>
#include "base/feature_list.h"
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/task/sequenced_task_runner.h"
#include "base/task/task_traits.h"
#include "base/task/thread_pool.h"
#include "components/server_certificate_database/server_certificate_database.h"
#if BUILDFLAG(IS_CHROMEOS)
#include "base/metrics/histogram_functions.h"
#include "components/prefs/pref_registry_simple.h"
#include "components/prefs/pref_service.h"
#include "components/server_certificate_database/server_certificate_database_nss_migrator.h"
#endif
namespace net {
#if BUILDFLAG(IS_CHROMEOS)
ServerCertificateDatabaseService::ServerCertificateDatabaseService(
base::FilePath profile_path,
PrefService* prefs,
ServerCertificateDatabaseNSSMigrator::NssSlotGetter nss_slot_getter)
: profile_path_(std::move(profile_path)),
prefs_(prefs),
nss_slot_getter_(std::move(nss_slot_getter))
#else
ServerCertificateDatabaseService::ServerCertificateDatabaseService(
base::FilePath profile_path)
: profile_path_(std::move(profile_path))
#endif
{
server_cert_database_ = base::SequenceBound<net::ServerCertificateDatabase>(
base::ThreadPool::CreateSequencedTaskRunnerForResource(
{base::MayBlock(), base::TaskPriority::USER_BLOCKING,
base::TaskShutdownBehavior::BLOCK_SHUTDOWN},
profile_path_.Append(kServerCertificateDatabaseName)),
profile_path_);
}
ServerCertificateDatabaseService::~ServerCertificateDatabaseService() = default;
void ServerCertificateDatabaseService::AddOrUpdateUserCertificates(
std::vector<net::ServerCertificateDatabase::CertInformation> cert_infos,
base::OnceCallback<void(bool)> callback) {
server_cert_database_
.AsyncCall(&net::ServerCertificateDatabase::InsertOrUpdateCerts)
.WithArgs(std::move(cert_infos))
.Then(base::BindOnce(
&ServerCertificateDatabaseService::HandleModificationResult,
weak_factory_.GetWeakPtr(), std::move(callback)));
}
void ServerCertificateDatabaseService::GetAllCertificates(
base::OnceCallback<
void(std::vector<net::ServerCertificateDatabase::CertInformation>)>
callback) {
#if BUILDFLAG(IS_CHROMEOS)
// Migrate certificates from NSS and then read all certificates from the
// database. Migration will only be done once per profile. If called multiple
// times before migration completes, all the callbacks will be queued and
// processed once the migration is done.
// TODO(crbug.com/390333881): Remove the migration code once sufficient time
// has passed after the feature is launched.
if (prefs_->GetInteger(prefs::kNSSCertsMigratedToServerCertDb) ==
static_cast<int>(NSSMigrationResultPref::kNotMigrated)) {
if (!nss_migrator_) {
DVLOG(1) << "starting migration for profile "
<< profile_path_.AsUTF8Unsafe();
nss_migrator_ = std::make_unique<ServerCertificateDatabaseNSSMigrator>(
this, std::move(nss_slot_getter_));
// Unretained is safe as ServerCertificateDatabaseNSSMigrator will not
// run the callback after it is deleted.
nss_migrator_->MigrateCerts(base::BindOnce(
&ServerCertificateDatabaseService::NSSMigrationComplete,
base::Unretained(this)));
}
DVLOG(1) << "queuing migration request";
get_certificates_pending_migration_.push_back(std::move(callback));
return;
}
#endif // BUILDFLAG(IS_CHROMEOS)
server_cert_database_
.AsyncCall(&net::ServerCertificateDatabase::RetrieveAllCertificates)
.Then(std::move(callback));
}
#if BUILDFLAG(IS_CHROMEOS)
void ServerCertificateDatabaseService::NSSMigrationComplete(
ServerCertificateDatabaseNSSMigrator::MigrationResult result) {
DVLOG(1) << "Migration for " << profile_path_.AsUTF8Unsafe()
<< " finished: nss cert count=" << result.cert_count
<< " errors=" << result.error_count;
NSSMigrationResultHistogram result_for_histogram;
if (result.cert_count == 0) {
result_for_histogram = NSSMigrationResultHistogram::kNssDbEmpty;
} else if (result.error_count == 0) {
result_for_histogram = NSSMigrationResultHistogram::kSuccess;
} else if (result.error_count < result.cert_count) {
result_for_histogram = NSSMigrationResultHistogram::kPartialSuccess;
} else {
result_for_histogram = NSSMigrationResultHistogram::kFailed;
}
base::UmaHistogramEnumeration("Net.CertVerifier.NSSCertMigrationResult",
result_for_histogram);
base::UmaHistogramCounts100(
"Net.CertVerifier.NSSCertMigrationQueuedRequestsWhenFinished",
get_certificates_pending_migration_.size());
prefs_->SetInteger(
prefs::kNSSCertsMigratedToServerCertDb,
static_cast<int>((result.error_count == 0)
? NSSMigrationResultPref::kMigratedSuccessfully
: NSSMigrationResultPref::kMigrationHadErrors));
for (GetCertificatesCallback& callback :
get_certificates_pending_migration_) {
// TODO(https://crbug.com/40928765): kinda silly to start multiple
// simultaneous reads here, but dunno if it actually occurs enough to be
// worth optimizing. Evaluate the histograms to see if this seems worth
// addressing.
GetAllCertificates(std::move(callback));
}
get_certificates_pending_migration_.clear();
nss_migrator_.reset();
}
#endif // BUILDFLAG(IS_CHROMEOS)
void ServerCertificateDatabaseService::PostTaskWithDatabase(
base::OnceCallback<void(net::ServerCertificateDatabase*)> callback) {
server_cert_database_.PostTaskWithThisObject(std::move(callback));
}
void ServerCertificateDatabaseService::GetCertificatesCount(
base::OnceCallback<void(uint32_t)> callback) {
server_cert_database_
.AsyncCall(&net::ServerCertificateDatabase::RetrieveCertificatesCount)
.Then(std::move(callback));
}
void ServerCertificateDatabaseService::DeleteCertificate(
const std::string& sha256hash_hex,
base::OnceCallback<void(bool)> callback) {
server_cert_database_
.AsyncCall(&net::ServerCertificateDatabase::DeleteCertificate)
.WithArgs(sha256hash_hex)
.Then(base::BindOnce(
&ServerCertificateDatabaseService::HandleModificationResult,
weak_factory_.GetWeakPtr(), std::move(callback)));
}
base::CallbackListSubscription ServerCertificateDatabaseService::AddObserver(
base::RepeatingClosure callback) {
return observers_.Add(std::move(callback));
}
void ServerCertificateDatabaseService::HandleModificationResult(
base::OnceCallback<void(bool)> callback,
bool success) {
std::move(callback).Run(success);
if (success) {
observers_.Notify();
}
}
#if BUILDFLAG(IS_CHROMEOS)
void ServerCertificateDatabaseService::RegisterProfilePrefs(
PrefRegistrySimple* registry) {
registry->RegisterIntegerPref(
prefs::kNSSCertsMigratedToServerCertDb,
static_cast<int>(net::ServerCertificateDatabaseService::
NSSMigrationResultPref::kNotMigrated));
}
#endif
} // namespace net
|
