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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/40285824): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif
#include "chromeos/ash/components/kcer/kcer_impl.h"
#include <stdint.h>
#include <string>
#include <utility>
#include <vector>
#include "base/callback_list.h"
#include "base/containers/flat_set.h"
#include "base/memory/scoped_refptr.h"
#include "base/memory/weak_ptr.h"
#include "base/task/bind_post_task.h"
#include "base/task/task_runner.h"
#include "base/types/expected.h"
#include "chromeos/ash/components/kcer/kcer.h"
#include "chromeos/ash/components/kcer/kcer_token.h"
#include "chromeos/ash/components/kcer/token_key_finder.h"
#include "chromeos/ash/components/kcer/token_results_merger.h"
#include "content/public/browser/browser_thread.h"
#include "net/cert/x509_certificate.h"
namespace kcer::internal {
KcerImpl::KcerImpl()
: init_queue_(std::make_unique<std::deque<base::OnceClosure>>()) {}
KcerImpl::~KcerImpl() = default;
void KcerImpl::Initialize(scoped_refptr<base::TaskRunner> token_task_runner,
base::WeakPtr<KcerToken> user_token,
base::WeakPtr<KcerToken> device_token) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
CHECK(init_queue_) << "Initialize can only be called once";
token_task_runner_ = std::move(token_task_runner);
user_token_ = std::move(user_token);
device_token_ = std::move(device_token);
if (user_token_.MaybeValid() || device_token_.MaybeValid()) {
notifier_.Initialize();
}
// Moving out from `init_queue_` makes it invalid and all the other methods
// will start processing requests instead of queueing them.
auto pending_tasks = std::move(init_queue_);
for (base::OnceClosure& task : *pending_tasks) {
std::move(task).Run();
}
}
base::WeakPtr<KcerImpl> KcerImpl::GetWeakPtr() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
return weak_factory_.GetWeakPtr();
}
base::CallbackListSubscription KcerImpl::AddObserver(
base::RepeatingClosure callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
return notifier_.AddObserver(std::move(callback));
}
void KcerImpl::GenerateRsaKey(Token token,
RsaModulusLength modulus_length_bits,
bool hardware_backed,
GenerateKeyCallback callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (init_queue_) {
return init_queue_->push_back(base::BindOnce(
&KcerImpl::GenerateRsaKey, weak_factory_.GetWeakPtr(), token,
modulus_length_bits, hardware_backed, std::move(callback)));
}
const base::WeakPtr<KcerToken>& kcer_token = GetToken(token);
if (!kcer_token.MaybeValid()) {
return std::move(callback).Run(
base::unexpected(Error::kTokenIsNotAvailable));
}
token_task_runner_->PostTask(
FROM_HERE,
base::BindOnce(&KcerToken::GenerateRsaKey, kcer_token,
modulus_length_bits, hardware_backed,
base::BindPostTaskToCurrentDefault(std::move(callback))));
}
void KcerImpl::GenerateEcKey(Token token,
EllipticCurve curve,
bool hardware_backed,
GenerateKeyCallback callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (init_queue_) {
return init_queue_->push_back(
base::BindOnce(&KcerImpl::GenerateEcKey, weak_factory_.GetWeakPtr(),
token, curve, hardware_backed, std::move(callback)));
}
const base::WeakPtr<KcerToken>& kcer_token = GetToken(token);
if (!kcer_token.MaybeValid()) {
return std::move(callback).Run(
base::unexpected(Error::kTokenIsNotAvailable));
}
token_task_runner_->PostTask(
FROM_HERE,
base::BindOnce(&KcerToken::GenerateEcKey, kcer_token, curve,
hardware_backed,
base::BindPostTaskToCurrentDefault(std::move(callback))));
}
void KcerImpl::ImportKey(Token token,
Pkcs8PrivateKeyInfoDer pkcs8_private_key_info_der,
ImportKeyCallback callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (init_queue_) {
return init_queue_->push_back(
base::BindOnce(&KcerImpl::ImportKey, weak_factory_.GetWeakPtr(), token,
pkcs8_private_key_info_der, std::move(callback)));
}
const base::WeakPtr<KcerToken>& kcer_token = GetToken(token);
if (!kcer_token.MaybeValid()) {
return std::move(callback).Run(
base::unexpected(Error::kTokenIsNotAvailable));
}
token_task_runner_->PostTask(
FROM_HERE,
base::BindOnce(&KcerToken::ImportKey, kcer_token,
std::move(pkcs8_private_key_info_der),
base::BindPostTaskToCurrentDefault(std::move(callback))));
}
void KcerImpl::ImportCertFromBytes(Token token,
CertDer cert_der,
StatusCallback callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (init_queue_) {
return init_queue_->push_back(base::BindOnce(
&KcerImpl::ImportCertFromBytes, weak_factory_.GetWeakPtr(), token,
std::move(cert_der), std::move(callback)));
}
const base::WeakPtr<KcerToken>& kcer_token = GetToken(token);
if (!kcer_token.MaybeValid()) {
return std::move(callback).Run(
base::unexpected(Error::kTokenIsNotAvailable));
}
token_task_runner_->PostTask(
FROM_HERE,
base::BindOnce(&KcerToken::ImportCertFromBytes, kcer_token,
std::move(cert_der),
base::BindPostTaskToCurrentDefault(std::move(callback))));
}
void KcerImpl::ImportX509Cert(Token token,
scoped_refptr<net::X509Certificate> cert,
StatusCallback callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (init_queue_) {
return init_queue_->push_back(
base::BindOnce(&KcerImpl::ImportX509Cert, weak_factory_.GetWeakPtr(),
token, std::move(cert), std::move(callback)));
}
if (!cert) {
return std::move(callback).Run(
base::unexpected(Error::kInvalidCertificate));
}
const CRYPTO_BUFFER* buffer = cert->cert_buffer();
CertDer cert_der(std::vector<uint8_t>(
CRYPTO_BUFFER_data(buffer),
CRYPTO_BUFFER_data(buffer) + CRYPTO_BUFFER_len(buffer)));
return ImportCertFromBytes(token, std::move(cert_der), std::move(callback));
}
void KcerImpl::ImportPkcs12Cert(Token token,
Pkcs12Blob pkcs12_blob,
std::string password,
bool hardware_backed,
bool mark_as_migrated,
StatusCallback callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (init_queue_) {
return init_queue_->push_back(
base::BindOnce(&KcerImpl::ImportPkcs12Cert, weak_factory_.GetWeakPtr(),
token, std::move(pkcs12_blob), std::move(password),
hardware_backed, mark_as_migrated, std::move(callback)));
}
const base::WeakPtr<KcerToken>& kcer_token = GetToken(token);
if (!kcer_token.MaybeValid()) {
return std::move(callback).Run(
base::unexpected(Error::kTokenIsNotAvailable));
}
token_task_runner_->PostTask(
FROM_HERE,
base::BindOnce(&KcerToken::ImportPkcs12Cert, kcer_token,
std::move(pkcs12_blob), std::move(password),
hardware_backed, mark_as_migrated,
base::BindPostTaskToCurrentDefault(std::move(callback))));
}
void KcerImpl::ExportPkcs12Cert(scoped_refptr<const Cert> cert,
ExportPkcs12Callback callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
// TODO(244408716): Implement.
}
void KcerImpl::RemoveKeyAndCerts(PrivateKeyHandle key,
StatusCallback callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (init_queue_) {
return init_queue_->push_back(
base::BindOnce(&KcerImpl::RemoveKeyAndCerts, weak_factory_.GetWeakPtr(),
std::move(key), std::move(callback)));
}
if (key.GetTokenInternal().has_value()) {
return RemoveKeyAndCertsWithToken(std::move(callback), std::move(key));
}
auto on_find_key_done =
base::BindOnce(&KcerImpl::RemoveKeyAndCertsWithToken,
weak_factory_.GetWeakPtr(), std::move(callback));
return PopulateTokenForKey(std::move(key), std::move(on_find_key_done));
}
void KcerImpl::RemoveKeyAndCertsWithToken(
StatusCallback callback,
base::expected<PrivateKeyHandle, Error> key_or_error) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (!key_or_error.has_value()) {
return std::move(callback).Run(base::unexpected(key_or_error.error()));
}
PrivateKeyHandle key = std::move(key_or_error).value();
const base::WeakPtr<KcerToken>& kcer_token =
GetToken(key.GetTokenInternal().value());
if (!kcer_token.MaybeValid()) {
return std::move(callback).Run(
base::unexpected(Error::kTokenIsNotAvailable));
}
token_task_runner_->PostTask(
FROM_HERE,
base::BindOnce(&KcerToken::RemoveKeyAndCerts, kcer_token, std::move(key),
base::BindPostTaskToCurrentDefault(std::move(callback))));
}
void KcerImpl::RemoveCert(scoped_refptr<const Cert> cert,
StatusCallback callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (init_queue_) {
return init_queue_->push_back(
base::BindOnce(&KcerImpl::RemoveCert, weak_factory_.GetWeakPtr(),
std::move(cert), std::move(callback)));
}
if (!cert) {
return std::move(callback).Run(
base::unexpected(Error::kInvalidCertificate));
}
const base::WeakPtr<KcerToken>& kcer_token = GetToken(cert->GetToken());
if (!kcer_token.MaybeValid()) {
return std::move(callback).Run(
base::unexpected(Error::kTokenIsNotAvailable));
}
token_task_runner_->PostTask(
FROM_HERE,
base::BindOnce(&KcerToken::RemoveCert, kcer_token, std::move(cert),
base::BindPostTaskToCurrentDefault(std::move(callback))));
}
void KcerImpl::ListKeys(base::flat_set<Token> tokens,
ListKeysCallback callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (init_queue_) {
return init_queue_->push_back(
base::BindOnce(&KcerImpl::ListKeys, weak_factory_.GetWeakPtr(),
std::move(tokens), std::move(callback)));
}
if (tokens.empty()) {
return std::move(callback).Run(/*certs=*/{}, /*errors=*/{});
}
scoped_refptr<TokenResultsMerger<PublicKey>> merger =
internal::TokenResultsMerger<PublicKey>::Create(
/*results_to_receive=*/tokens.size(), std::move(callback));
for (Token token : tokens) {
auto callback_for_token = merger->GetCallback(token);
const base::WeakPtr<KcerToken>& kcer_token = GetToken(token);
if (!kcer_token.MaybeValid()) {
std::move(callback_for_token)
.Run(base::unexpected(Error::kTokenIsNotAvailable));
} else {
token_task_runner_->PostTask(
FROM_HERE, base::BindOnce(&KcerToken::ListKeys, kcer_token,
base::BindPostTaskToCurrentDefault(
std::move(callback_for_token))));
}
}
}
void KcerImpl::ListCerts(base::flat_set<Token> tokens,
ListCertsCallback callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (init_queue_) {
return init_queue_->push_back(
base::BindOnce(&KcerImpl::ListCerts, weak_factory_.GetWeakPtr(),
std::move(tokens), std::move(callback)));
}
if (tokens.empty()) {
return std::move(callback).Run(/*certs=*/{}, /*errors=*/{});
}
scoped_refptr<TokenResultsMerger<scoped_refptr<const Cert>>> merger =
TokenResultsMerger<scoped_refptr<const Cert>>::Create(
/*results_to_receive=*/tokens.size(), std::move(callback));
for (Token token : tokens) {
auto callback_for_token = merger->GetCallback(token);
const base::WeakPtr<KcerToken>& kcer_token = GetToken(token);
if (!kcer_token.MaybeValid()) {
std::move(callback_for_token)
.Run(base::unexpected(Error::kTokenIsNotAvailable));
} else {
token_task_runner_->PostTask(
FROM_HERE, base::BindOnce(&KcerToken::ListCerts, kcer_token,
base::BindPostTaskToCurrentDefault(
std::move(callback_for_token))));
}
}
}
void KcerImpl::DoesPrivateKeyExist(PrivateKeyHandle key,
DoesKeyExistCallback callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (init_queue_) {
return init_queue_->push_back(base::BindOnce(
&KcerImpl::DoesPrivateKeyExist, weak_factory_.GetWeakPtr(),
std::move(key), std::move(callback)));
}
if (key.GetTokenInternal().has_value()) {
const base::WeakPtr<KcerToken>& kcer_token =
GetToken(key.GetTokenInternal().value());
if (!kcer_token.MaybeValid()) {
return std::move(callback).Run(
base::unexpected(Error::kTokenIsNotAvailable));
}
token_task_runner_->PostTask(
FROM_HERE,
base::BindOnce(
&KcerToken::DoesPrivateKeyExist, kcer_token, std::move(key),
base::BindPostTaskToCurrentDefault(std::move(callback))));
return;
}
auto on_find_key_done =
base::BindOnce(&KcerImpl::DoesPrivateKeyExistWithToken,
weak_factory_.GetWeakPtr(), std::move(callback));
return FindKeyToken(/*allow_guessing=*/false,
/*key=*/std::move(key), std::move(on_find_key_done));
}
void KcerImpl::DoesPrivateKeyExistWithToken(
DoesKeyExistCallback callback,
base::expected<std::optional<Token>, Error> find_key_result) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (!find_key_result.has_value()) {
return std::move(callback).Run(base::unexpected(find_key_result.error()));
}
const std::optional<Token>& token = find_key_result.value();
return std::move(callback).Run(token.has_value());
}
void KcerImpl::Sign(PrivateKeyHandle key,
SigningScheme signing_scheme,
DataToSign data,
SignCallback callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (init_queue_) {
return init_queue_->push_back(base::BindOnce(
&KcerImpl::Sign, weak_factory_.GetWeakPtr(), std::move(key),
signing_scheme, std::move(data), std::move(callback)));
}
if (key.GetTokenInternal().has_value()) {
return SignWithToken(signing_scheme, std::move(data), std::move(callback),
std::move(key));
}
auto on_find_key_done =
base::BindOnce(&KcerImpl::SignWithToken, weak_factory_.GetWeakPtr(),
signing_scheme, std::move(data), std::move(callback));
return PopulateTokenForKey(std::move(key), std::move(on_find_key_done));
}
void KcerImpl::SignWithToken(
SigningScheme signing_scheme,
DataToSign data,
SignCallback callback,
base::expected<PrivateKeyHandle, Error> key_or_error) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (!key_or_error.has_value()) {
return std::move(callback).Run(base::unexpected(key_or_error.error()));
}
PrivateKeyHandle key = std::move(key_or_error).value();
const base::WeakPtr<KcerToken>& kcer_token =
GetToken(key.GetTokenInternal().value());
if (!kcer_token.MaybeValid()) {
return std::move(callback).Run(
base::unexpected(Error::kTokenIsNotAvailable));
}
token_task_runner_->PostTask(
FROM_HERE,
base::BindOnce(&KcerToken::Sign, kcer_token, std::move(key),
signing_scheme, std::move(data),
base::BindPostTaskToCurrentDefault(std::move(callback))));
}
void KcerImpl::SignRsaPkcs1Raw(PrivateKeyHandle key,
DigestWithPrefix digest_with_prefix,
SignCallback callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (init_queue_) {
return init_queue_->push_back(base::BindOnce(
&KcerImpl::SignRsaPkcs1Raw, weak_factory_.GetWeakPtr(), std::move(key),
std::move(digest_with_prefix), std::move(callback)));
}
if (key.GetTokenInternal().has_value()) {
return SignRsaPkcs1RawWithToken(std::move(digest_with_prefix),
std::move(callback), std::move(key));
}
auto on_find_key_done = base::BindOnce(
&KcerImpl::SignRsaPkcs1RawWithToken, weak_factory_.GetWeakPtr(),
std::move(digest_with_prefix), std::move(callback));
return PopulateTokenForKey(std::move(key), std::move(on_find_key_done));
}
void KcerImpl::SignRsaPkcs1RawWithToken(
DigestWithPrefix digest_with_prefix,
SignCallback callback,
base::expected<PrivateKeyHandle, Error> key_or_error) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (!key_or_error.has_value()) {
return std::move(callback).Run(base::unexpected(key_or_error.error()));
}
PrivateKeyHandle key = std::move(key_or_error).value();
const base::WeakPtr<KcerToken>& kcer_token =
GetToken(key.GetTokenInternal().value());
if (!kcer_token.MaybeValid()) {
return std::move(callback).Run(
base::unexpected(Error::kTokenIsNotAvailable));
}
token_task_runner_->PostTask(
FROM_HERE,
base::BindOnce(&KcerToken::SignRsaPkcs1Raw, kcer_token, std::move(key),
std::move(digest_with_prefix),
base::BindPostTaskToCurrentDefault(std::move(callback))));
}
void KcerImpl::GetAvailableTokens(GetAvailableTokensCallback callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (init_queue_) {
return init_queue_->push_back(base::BindOnce(&KcerImpl::GetAvailableTokens,
weak_factory_.GetWeakPtr(),
std::move(callback)));
}
content::GetUIThreadTaskRunner()->PostTask(
FROM_HERE, base::BindOnce(std::move(callback), GetCurrentTokens()));
}
base::flat_set<Token> KcerImpl::GetCurrentTokens() const {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
base::flat_set<Token> result;
if (user_token_.MaybeValid()) {
result.insert(Token::kUser);
}
if (device_token_.MaybeValid()) {
result.insert(Token::kDevice);
}
return result;
}
void KcerImpl::GetTokenInfo(Token token, GetTokenInfoCallback callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (init_queue_) {
return init_queue_->push_back(base::BindOnce(&KcerImpl::GetTokenInfo,
weak_factory_.GetWeakPtr(),
token, std::move(callback)));
}
const base::WeakPtr<KcerToken>& kcer_token = GetToken(token);
if (!kcer_token.MaybeValid()) {
return std::move(callback).Run(
base::unexpected(Error::kTokenIsNotAvailable));
}
token_task_runner_->PostTask(
FROM_HERE,
base::BindOnce(&KcerToken::GetTokenInfo, kcer_token,
base::BindPostTaskToCurrentDefault(std::move(callback))));
}
void KcerImpl::GetKeyInfo(PrivateKeyHandle key, GetKeyInfoCallback callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (init_queue_) {
return init_queue_->push_back(
base::BindOnce(&KcerImpl::GetKeyInfo, weak_factory_.GetWeakPtr(),
std::move(key), std::move(callback)));
}
if (key.GetTokenInternal().has_value()) {
return GetKeyInfoWithToken(std::move(callback), std::move(key));
}
auto on_find_key_done =
base::BindOnce(&KcerImpl::GetKeyInfoWithToken, weak_factory_.GetWeakPtr(),
std::move(callback));
return PopulateTokenForKey(std::move(key), std::move(on_find_key_done));
}
void KcerImpl::GetKeyInfoWithToken(
GetKeyInfoCallback callback,
base::expected<PrivateKeyHandle, Error> key_or_error) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (!key_or_error.has_value()) {
return std::move(callback).Run(base::unexpected(key_or_error.error()));
}
PrivateKeyHandle key = std::move(key_or_error).value();
const base::WeakPtr<KcerToken>& kcer_token =
GetToken(key.GetTokenInternal().value());
if (!kcer_token.MaybeValid()) {
return std::move(callback).Run(
base::unexpected(Error::kTokenIsNotAvailable));
}
token_task_runner_->PostTask(
FROM_HERE,
base::BindOnce(&KcerToken::GetKeyInfo, kcer_token, std::move(key),
base::BindPostTaskToCurrentDefault(std::move(callback))));
}
void KcerImpl::GetKeyPermissions(PrivateKeyHandle key,
GetKeyPermissionsCallback callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (init_queue_) {
return init_queue_->push_back(
base::BindOnce(&KcerImpl::GetKeyPermissions, weak_factory_.GetWeakPtr(),
std::move(key), std::move(callback)));
}
if (key.GetTokenInternal().has_value()) {
return GetKeyPermissionsWithToken(std::move(callback), std::move(key));
}
auto on_find_key_done =
base::BindOnce(&KcerImpl::GetKeyPermissionsWithToken,
weak_factory_.GetWeakPtr(), std::move(callback));
return PopulateTokenForKey(std::move(key), std::move(on_find_key_done));
}
void KcerImpl::GetKeyPermissionsWithToken(
GetKeyPermissionsCallback callback,
base::expected<PrivateKeyHandle, Error> key_or_error) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (!key_or_error.has_value()) {
return std::move(callback).Run(base::unexpected(key_or_error.error()));
}
PrivateKeyHandle key = std::move(key_or_error).value();
const base::WeakPtr<KcerToken>& kcer_token =
GetToken(key.GetTokenInternal().value());
if (!kcer_token.MaybeValid()) {
return std::move(callback).Run(
base::unexpected(Error::kTokenIsNotAvailable));
}
token_task_runner_->PostTask(
FROM_HERE,
base::BindOnce(&KcerToken::GetKeyPermissions, kcer_token, std::move(key),
base::BindPostTaskToCurrentDefault(std::move(callback))));
}
void KcerImpl::GetCertProvisioningProfileId(
PrivateKeyHandle key,
GetCertProvisioningProfileIdCallback callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (init_queue_) {
return init_queue_->push_back(base::BindOnce(
&KcerImpl::GetCertProvisioningProfileId, weak_factory_.GetWeakPtr(),
std::move(key), std::move(callback)));
}
if (key.GetTokenInternal().has_value()) {
return GetCertProvisioningProfileIdWithToken(std::move(callback),
std::move(key));
}
auto on_find_key_done =
base::BindOnce(&KcerImpl::GetCertProvisioningProfileIdWithToken,
weak_factory_.GetWeakPtr(), std::move(callback));
return PopulateTokenForKey(std::move(key), std::move(on_find_key_done));
}
void KcerImpl::GetCertProvisioningProfileIdWithToken(
GetCertProvisioningProfileIdCallback callback,
base::expected<PrivateKeyHandle, Error> key_or_error) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (!key_or_error.has_value()) {
return std::move(callback).Run(base::unexpected(key_or_error.error()));
}
PrivateKeyHandle key = std::move(key_or_error).value();
const base::WeakPtr<KcerToken>& kcer_token =
GetToken(key.GetTokenInternal().value());
if (!kcer_token.MaybeValid()) {
return std::move(callback).Run(
base::unexpected(Error::kTokenIsNotAvailable));
}
token_task_runner_->PostTask(
FROM_HERE,
base::BindOnce(&KcerToken::GetCertProvisioningProfileId, kcer_token,
std::move(key),
base::BindPostTaskToCurrentDefault(std::move(callback))));
}
void KcerImpl::SetKeyNickname(PrivateKeyHandle key,
std::string nickname,
StatusCallback callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (init_queue_) {
return init_queue_->push_back(base::BindOnce(
&KcerImpl::SetKeyNickname, weak_factory_.GetWeakPtr(), std::move(key),
std::move(nickname), std::move(callback)));
}
if (key.GetTokenInternal().has_value()) {
return SetKeyNicknameWithToken(std::move(nickname), std::move(callback),
std::move(key));
}
auto on_token_populated = base::BindOnce(
&KcerImpl::SetKeyNicknameWithToken, weak_factory_.GetWeakPtr(),
std::move(nickname), std::move(callback));
return PopulateTokenForKey(std::move(key), std::move(on_token_populated));
}
void KcerImpl::SetKeyNicknameWithToken(
std::string nickname,
StatusCallback callback,
base::expected<PrivateKeyHandle, Error> key_or_error) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (!key_or_error.has_value()) {
return std::move(callback).Run(base::unexpected(key_or_error.error()));
}
PrivateKeyHandle key = std::move(key_or_error).value();
const base::WeakPtr<KcerToken>& kcer_token =
GetToken(key.GetTokenInternal().value());
if (!kcer_token.MaybeValid()) {
return std::move(callback).Run(
base::unexpected(Error::kTokenIsNotAvailable));
}
token_task_runner_->PostTask(
FROM_HERE,
base::BindOnce(&KcerToken::SetKeyNickname, kcer_token, std::move(key),
std::move(nickname),
base::BindPostTaskToCurrentDefault(std::move(callback))));
}
void KcerImpl::SetKeyPermissions(PrivateKeyHandle key,
chaps::KeyPermissions key_permissions,
StatusCallback callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (init_queue_) {
return init_queue_->push_back(base::BindOnce(
&KcerImpl::SetKeyPermissions, weak_factory_.GetWeakPtr(),
std::move(key), std::move(key_permissions), std::move(callback)));
}
if (key.GetTokenInternal().has_value()) {
return SetKeyPermissionsWithToken(std::move(key_permissions),
std::move(callback), std::move(key));
}
auto on_find_key_done = base::BindOnce(
&KcerImpl::SetKeyPermissionsWithToken, weak_factory_.GetWeakPtr(),
std::move(key_permissions), std::move(callback));
return PopulateTokenForKey(std::move(key), std::move(on_find_key_done));
}
void KcerImpl::SetKeyPermissionsWithToken(
chaps::KeyPermissions key_permissions,
StatusCallback callback,
base::expected<PrivateKeyHandle, Error> key_or_error) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (!key_or_error.has_value()) {
return std::move(callback).Run(base::unexpected(key_or_error.error()));
}
PrivateKeyHandle key = std::move(key_or_error).value();
const base::WeakPtr<KcerToken>& kcer_token =
GetToken(key.GetTokenInternal().value());
if (!kcer_token.MaybeValid()) {
return std::move(callback).Run(
base::unexpected(Error::kTokenIsNotAvailable));
}
token_task_runner_->PostTask(
FROM_HERE,
base::BindOnce(&KcerToken::SetKeyPermissions, kcer_token, std::move(key),
std::move(key_permissions),
base::BindPostTaskToCurrentDefault(std::move(callback))));
}
void KcerImpl::SetCertProvisioningProfileId(PrivateKeyHandle key,
std::string profile_id,
StatusCallback callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (init_queue_) {
return init_queue_->push_back(base::BindOnce(
&KcerImpl::SetCertProvisioningProfileId, weak_factory_.GetWeakPtr(),
std::move(key), std::move(profile_id), std::move(callback)));
}
if (key.GetTokenInternal().has_value()) {
return SetCertProvisioningProfileIdWithToken(
std::move(profile_id), std::move(callback), std::move(key));
}
auto on_find_key_done = base::BindOnce(
&KcerImpl::SetCertProvisioningProfileIdWithToken,
weak_factory_.GetWeakPtr(), std::move(profile_id), std::move(callback));
return PopulateTokenForKey(std::move(key), std::move(on_find_key_done));
}
void KcerImpl::SetCertProvisioningProfileIdWithToken(
std::string profile_id,
StatusCallback callback,
base::expected<PrivateKeyHandle, Error> key_or_error) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (!key_or_error.has_value()) {
return std::move(callback).Run(base::unexpected(key_or_error.error()));
}
PrivateKeyHandle key = std::move(key_or_error).value();
const base::WeakPtr<KcerToken>& kcer_token =
GetToken(key.GetTokenInternal().value());
if (!kcer_token.MaybeValid()) {
return std::move(callback).Run(
base::unexpected(Error::kTokenIsNotAvailable));
}
token_task_runner_->PostTask(
FROM_HERE,
base::BindOnce(&KcerToken::SetCertProvisioningProfileId, kcer_token,
std::move(key), std::move(profile_id),
base::BindPostTaskToCurrentDefault(std::move(callback))));
}
base::WeakPtr<internal::KcerToken>& KcerImpl::GetToken(Token token) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
switch (token) {
case Token::kUser:
return user_token_;
case Token::kDevice:
return device_token_;
}
}
void KcerImpl::FindKeyToken(
bool allow_guessing,
PrivateKeyHandle key,
base::OnceCallback<void(base::expected<std::optional<Token>, Error>)>
callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
base::flat_set<Token> tokens = GetCurrentTokens();
if (tokens.empty()) {
return std::move(callback).Run(
base::unexpected(Error::kTokenIsNotAvailable));
}
if (allow_guessing && (tokens.size() == 1)) {
return std::move(callback).Run(*tokens.begin());
}
auto key_finder = TokenKeyFinder::Create(
/*results_to_receive=*/tokens.size(), std::move(callback));
for (Token token : tokens) {
auto token_callback =
base::BindPostTaskToCurrentDefault(key_finder->GetCallback(token));
token_task_runner_->PostTask(
FROM_HERE,
base::BindOnce(&KcerToken::DoesPrivateKeyExist, GetToken(token), key,
std::move(token_callback)));
}
}
void KcerImpl::PopulateTokenForKey(
PrivateKeyHandle key,
base::OnceCallback<void(base::expected<PrivateKeyHandle, Error>)>
callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
auto on_find_key_done =
base::BindOnce(&KcerImpl::PopulateTokenForKeyWithToken,
weak_factory_.GetWeakPtr(), key, std::move(callback));
FindKeyToken(/*allow_guessing=*/true,
/*key=*/std::move(key), std::move(on_find_key_done));
}
void KcerImpl::PopulateTokenForKeyWithToken(
PrivateKeyHandle key,
base::OnceCallback<void(base::expected<PrivateKeyHandle, Error>)> callback,
base::expected<std::optional<Token>, Error> find_key_result) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (!find_key_result.has_value()) {
return std::move(callback).Run(base::unexpected(find_key_result.error()));
}
if (!find_key_result.value().has_value()) {
return std::move(callback).Run(base::unexpected(Error::kKeyNotFound));
}
Token token = find_key_result.value().value();
return std::move(callback).Run(PrivateKeyHandle(token, std::move(key)));
}
} // namespace kcer::internal
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